Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24855 insertions, 0 deletions

diff --git a/vcl/unx/gtk3/gtkinst.cxx b/vcl/unx/gtk3/gtkinst.cxx
new file mode 100644
index 0000000000..c76d6291ce
--- /dev/null
+++ b/vcl/unx/gtk3/gtkinst.cxx
@@ -0,0 +1,24855 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <deque>
+#include <optional>
+#include <stack>
+#include <string.h>
+#include <string_view>
+
+#include <dndhelper.hxx>
+#include <osl/process.h>
+#include <osl/file.hxx>
+#include <unx/gtk/gtkdata.hxx>
+#include <unx/gtk/gtkinst.hxx>
+#include <unx/genprn.h>
+#include <unx/salobj.h>
+#include <unx/gtk/gtkgdi.hxx>
+#include <unx/gtk/gtkframe.hxx>
+#include <unx/gtk/gtkobject.hxx>
+#include <unx/gtk/atkbridge.hxx>
+#include <unx/gtk/gtksalmenu.hxx>
+#include <headless/svpvd.hxx>
+#include <headless/svpbmp.hxx>
+#include <utility>
+#include <vcl/builder.hxx>
+#include <vcl/inputtypes.hxx>
+#include <vcl/specialchars.hxx>
+#include <vcl/sysdata.hxx>
+#include <vcl/transfer.hxx>
+#include <vcl/toolkit/floatwin.hxx>
+#include <unx/genpspgraphics.h>
+#include <rtl/strbuf.hxx>
+#include <sal/log.hxx>
+#include <rtl/uri.hxx>
+
+#include <vcl/settings.hxx>
+
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+#include "a11y/atkwrapper.hxx"
+#endif
+#include <com/sun/star/awt/XVclWindowPeer.hpp>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
+#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
+#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <comphelper/lok.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/sequence.hxx>
+#include <comphelper/string.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <rtl/bootstrap.hxx>
+#include <o3tl/unreachable.hxx>
+#include <o3tl/string_view.hxx>
+#include <svl/zforlist.hxx>
+#include <svl/zformat.hxx>
+#include <tools/helpers.hxx>
+#include <tools/fract.hxx>
+#include <tools/stream.hxx>
+#include <unotools/resmgr.hxx>
+#include <unotools/tempfile.hxx>
+#include <unx/gstsink.hxx>
+#include <vcl/ImageTree.hxx>
+#include <vcl/abstdlg.hxx>
+#include <vcl/event.hxx>
+#include <vcl/i18nhelp.hxx>
+#include <vcl/quickselectionengine.hxx>
+#include <vcl/mnemonic.hxx>
+#include <vcl/filter/PngImageWriter.hxx>
+#include <vcl/stdtext.hxx>
+#include <vcl/syswin.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/weld.hxx>
+#include <vcl/wrkwin.hxx>
+#include "customcellrenderer.hxx"
+#include <strings.hrc>
+#include <window.h>
+#include <numeric>
+#include <boost/property_tree/ptree.hpp>
+#include <opengl/zone.hxx>
+
+using namespace com::sun::star;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+
+extern "C"
+{
+    #define GET_YIELD_MUTEX() static_cast<GtkYieldMutex*>(GetSalInstance()->GetYieldMutex())
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void GdkThreadsEnter()
+    {
+        GtkYieldMutex *pYieldMutex = GET_YIELD_MUTEX();
+        pYieldMutex->ThreadsEnter();
+    }
+    static void GdkThreadsLeave()
+    {
+        GtkYieldMutex *pYieldMutex = GET_YIELD_MUTEX();
+        pYieldMutex->ThreadsLeave();
+    }
+#endif
+
+    VCLPLUG_GTK_PUBLIC SalInstance* create_SalInstance()
+    {
+        SAL_INFO(
+            "vcl.gtk",
+            "create vcl plugin instance with gtk version " << gtk_get_major_version()
+                << " " << gtk_get_minor_version() << " " << gtk_get_micro_version());
+
+        if (gtk_get_major_version() == 3 && gtk_get_minor_version() < 18)
+        {
+            g_warning("require gtk >= 3.18 for theme expectations");
+            return nullptr;
+        }
+
+        // for gtk2 it is always built with X support, so this is always called
+        // for gtk3 it is normally built with X and Wayland support, if
+        // X is supported GDK_WINDOWING_X11 is defined and this is always
+        // called, regardless of if we're running under X or Wayland.
+        // We can't use (DLSYM_GDK_IS_X11_DISPLAY(pDisplay)) to only do it under
+        // X, because we need to do it earlier than we have a display
+#if defined(GDK_WINDOWING_X11)
+        /* #i92121# workaround deadlocks in the X11 implementation
+        */
+        static const char* pNoXInitThreads = getenv( "SAL_NO_XINITTHREADS" );
+        /* #i90094#
+           from now on we know that an X connection will be
+           established, so protect X against itself
+        */
+        if( ! ( pNoXInitThreads && *pNoXInitThreads ) )
+            XInitThreads();
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // init gdk thread protection
+        bool const sup = g_thread_supported();
+            // extracted from the 'if' to avoid Clang -Wunreachable-code
+        if ( !sup )
+            g_thread_init( nullptr );
+
+        gdk_threads_set_lock_functions (GdkThreadsEnter, GdkThreadsLeave);
+        SAL_INFO("vcl.gtk", "Hooked gdk threads locks");
+#endif
+
+        auto pYieldMutex = std::make_unique<GtkYieldMutex>();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gdk_threads_init();
+#endif
+
+        GtkInstance* pInstance = new GtkInstance( std::move(pYieldMutex) );
+        SAL_INFO("vcl.gtk", "creating GtkInstance " << pInstance);
+
+        // Create SalData, this does not leak
+        new GtkSalData();
+
+        return pInstance;
+    }
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+static VclInputFlags categorizeEvent(const GdkEvent *pEvent)
+{
+    VclInputFlags nType = VclInputFlags::NONE;
+    switch (gdk_event_get_event_type(pEvent))
+    {
+    case GDK_MOTION_NOTIFY:
+    case GDK_BUTTON_PRESS:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    case GDK_2BUTTON_PRESS:
+    case GDK_3BUTTON_PRESS:
+#endif
+    case GDK_BUTTON_RELEASE:
+    case GDK_ENTER_NOTIFY:
+    case GDK_LEAVE_NOTIFY:
+    case GDK_SCROLL:
+        nType = VclInputFlags::MOUSE;
+        break;
+    case GDK_KEY_PRESS:
+    // case GDK_KEY_RELEASE: //similar to the X11SalInstance one
+        nType = VclInputFlags::KEYBOARD;
+        break;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    case GDK_EXPOSE:
+        nType = VclInputFlags::PAINT;
+        break;
+#endif
+    default:
+        nType = VclInputFlags::OTHER;
+        break;
+    }
+    return nType;
+}
+#endif
+
+GtkInstance::GtkInstance( std::unique_ptr<SalYieldMutex> pMutex )
+    : SvpSalInstance( std::move(pMutex) )
+    , m_pTimer(nullptr)
+    , bNeedsInit(true)
+    , m_pLastCairoFontOptions(nullptr)
+{
+    m_bSupportsOpenGL = true;
+}
+
+//We want to defer initializing gtk until we are after uno has been
+//bootstrapped so we can ask the config what the UI language is so that we can
+//force that in as $LANGUAGE to get gtk to render widgets RTL if we have a RTL
+//UI in a LTR locale
+void GtkInstance::AfterAppInit()
+{
+    EnsureInit();
+}
+
+void GtkInstance::EnsureInit()
+{
+    if (!bNeedsInit)
+        return;
+    // initialize SalData
+    GtkSalData *pSalData = GetGtkSalData();
+    pSalData->Init();
+    GtkSalData::initNWF();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    InitAtkBridge();
+#endif
+
+    ImplSVData* pSVData = ImplGetSVData();
+#ifdef GTK_TOOLKIT_NAME
+    pSVData->maAppData.mxToolkitName = OUString(GTK_TOOLKIT_NAME);
+#else
+    pSVData->maAppData.mxToolkitName = OUString("gtk3");
+#endif
+
+    bNeedsInit = false;
+}
+
+GtkInstance::~GtkInstance()
+{
+    assert( nullptr == m_pTimer );
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    DeInitAtkBridge();
+#endif
+    ResetLastSeenCairoFontOptions(nullptr);
+}
+
+SalFrame* GtkInstance::CreateFrame( SalFrame* pParent, SalFrameStyleFlags nStyle )
+{
+    EnsureInit();
+    return new GtkSalFrame( pParent, nStyle );
+}
+
+SalFrame* GtkInstance::CreateChildFrame( SystemParentData* pParentData, SalFrameStyleFlags )
+{
+    EnsureInit();
+    return new GtkSalFrame( pParentData );
+}
+
+SalObject* GtkInstance::CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool bShow )
+{
+    EnsureInit();
+    //FIXME: Missing CreateObject functionality ...
+    if (pWindowData && pWindowData->bClipUsingNativeWidget)
+        return new GtkSalObjectWidgetClip(static_cast<GtkSalFrame*>(pParent), bShow);
+    return new GtkSalObject(static_cast<GtkSalFrame*>(pParent), bShow);
+}
+
+extern "C"
+{
+    typedef void*(* getDefaultFnc)();
+    typedef void(* addItemFnc)(void *, const char *);
+}
+
+void GtkInstance::AddToRecentDocumentList(const OUString& rFileUrl, const OUString&, const OUString&)
+{
+    EnsureInit();
+    OString sGtkURL;
+    rtl_TextEncoding aSystemEnc = osl_getThreadTextEncoding();
+    if ((aSystemEnc == RTL_TEXTENCODING_UTF8) || !rFileUrl.startsWith( "file://" ))
+        sGtkURL = OUStringToOString(rFileUrl, RTL_TEXTENCODING_UTF8);
+    else
+    {
+        //Non-utf8 locales are a bad idea if trying to work with non-ascii filenames
+        //Decode %XX components
+        OUString sDecodedUri = rtl::Uri::decode(rFileUrl.copy(7), rtl_UriDecodeToIuri, RTL_TEXTENCODING_UTF8);
+        //Convert back to system locale encoding
+        OString sSystemUrl = OUStringToOString(sDecodedUri, aSystemEnc);
+        //Encode to an escaped ASCII-encoded URI
+        gchar *g_uri = g_filename_to_uri(sSystemUrl.getStr(), nullptr, nullptr);
+        sGtkURL = OString(g_uri);
+        g_free(g_uri);
+    }
+    GtkRecentManager *manager = gtk_recent_manager_get_default ();
+    gtk_recent_manager_add_item (manager, sGtkURL.getStr());
+}
+
+SalInfoPrinter* GtkInstance::CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
+    ImplJobSetup* pSetupData )
+{
+    EnsureInit();
+    mbPrinterInit = true;
+    // create and initialize SalInfoPrinter
+    PspSalInfoPrinter* pPrinter = new PspSalInfoPrinter;
+    configurePspInfoPrinter(pPrinter, pQueueInfo, pSetupData);
+    return pPrinter;
+}
+
+std::unique_ptr<SalPrinter> GtkInstance::CreatePrinter( SalInfoPrinter* pInfoPrinter )
+{
+    EnsureInit();
+    mbPrinterInit = true;
+    return std::unique_ptr<SalPrinter>(new PspSalPrinter(pInfoPrinter));
+}
+
+/*
+ * These methods always occur in pairs
+ * A ThreadsEnter is followed by a ThreadsLeave
+ * We need to queue up the recursive lock count
+ * for each pair, so we can accurately restore
+ * it later.
+ */
+thread_local std::stack<sal_uInt32> GtkYieldMutex::yieldCounts;
+
+void GtkYieldMutex::ThreadsEnter()
+{
+    acquire();
+    if (yieldCounts.empty())
+        return;
+    auto n = yieldCounts.top();
+    yieldCounts.pop();
+
+    const bool bUndoingLeaveWithoutEnter = n == 0;
+    // if the ThreadsLeave bLeaveWithoutEnter of true condition occurred to
+    // create this entry then return early undoing the initial acquire of the
+    // function
+    if G_UNLIKELY(bUndoingLeaveWithoutEnter)
+    {
+        release();
+        return;
+    }
+
+    assert(n > 0);
+    n--;
+    if (n > 0)
+        acquire(n);
+}
+
+void GtkYieldMutex::ThreadsLeave()
+{
+    const bool bLeaveWithoutEnter = m_nCount == 0;
+    SAL_WARN_IF(bLeaveWithoutEnter, "vcl.gtk", "gdk_threads_leave without matching gdk_threads_enter");
+    yieldCounts.push(m_nCount);
+    if G_UNLIKELY(bLeaveWithoutEnter) // this ideally shouldn't happen, but can due to the gtk3 file dialog
+        return;
+    release(true);
+}
+
+std::unique_ptr<SalVirtualDevice> GtkInstance::CreateVirtualDevice( SalGraphics &rG,
+                                                    tools::Long &nDX, tools::Long &nDY,
+                                                    DeviceFormat /*eFormat*/,
+                                                    const SystemGraphicsData* pGd )
+{
+    EnsureInit();
+    SvpSalGraphics *pSvpSalGraphics = dynamic_cast<SvpSalGraphics*>(&rG);
+    assert(pSvpSalGraphics);
+    // tdf#127529 see SvpSalInstance::CreateVirtualDevice for the rare case of a non-null pPreExistingTarget
+    cairo_surface_t* pPreExistingTarget = pGd ? static_cast<cairo_surface_t*>(pGd->pSurface) : nullptr;
+    std::unique_ptr<SalVirtualDevice> xNew(new SvpSalVirtualDevice(pSvpSalGraphics->getSurface(), pPreExistingTarget));
+    if (!xNew->SetSize(nDX, nDY))
+        xNew.reset();
+    return xNew;
+}
+
+std::shared_ptr<SalBitmap> GtkInstance::CreateSalBitmap()
+{
+    EnsureInit();
+    return SvpSalInstance::CreateSalBitmap();
+}
+
+std::unique_ptr<SalMenu> GtkInstance::CreateMenu( bool bMenuBar, Menu* pVCLMenu )
+{
+    EnsureInit();
+    GtkSalMenu* pSalMenu = new GtkSalMenu( bMenuBar );
+    pSalMenu->SetMenu( pVCLMenu );
+    return std::unique_ptr<SalMenu>(pSalMenu);
+}
+
+std::unique_ptr<SalMenuItem> GtkInstance::CreateMenuItem( const SalItemParams & rItemData )
+{
+    EnsureInit();
+    return std::unique_ptr<SalMenuItem>(new GtkSalMenuItem( &rItemData ));
+}
+
+SalTimer* GtkInstance::CreateSalTimer()
+{
+    EnsureInit();
+    assert( nullptr == m_pTimer );
+    if ( nullptr == m_pTimer )
+        m_pTimer = new GtkSalTimer();
+    return m_pTimer;
+}
+
+void GtkInstance::RemoveTimer ()
+{
+    EnsureInit();
+    m_pTimer = nullptr;
+}
+
+bool GtkInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents)
+{
+    EnsureInit();
+    return GetGtkSalData()->Yield( bWait, bHandleAllCurrentEvents );
+}
+
+bool GtkInstance::IsTimerExpired()
+{
+    EnsureInit();
+    return (m_pTimer && m_pTimer->Expired());
+}
+
+namespace
+{
+    bool DisplayHasAnyInput()
+    {
+        GdkDisplay* pDisplay = gdk_display_get_default();
+#if defined(GDK_WINDOWING_WAYLAND)
+        if (DLSYM_GDK_IS_WAYLAND_DISPLAY(pDisplay))
+        {
+            bool bRet = false;
+            wl_display* pWLDisplay = gdk_wayland_display_get_wl_display(pDisplay);
+            static auto wayland_display_get_fd = reinterpret_cast<int (*) (wl_display*)>(dlsym(nullptr, "wl_display_get_fd"));
+            if (wayland_display_get_fd)
+            {
+                GPollFD aPollFD;
+                aPollFD.fd = wayland_display_get_fd(pWLDisplay);
+                aPollFD.events = G_IO_IN | G_IO_ERR | G_IO_HUP;
+                bRet = g_poll(&aPollFD, 1, 0) > 0;
+            }
+            return bRet;
+        }
+#endif
+#if defined(GDK_WINDOWING_X11)
+        if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay))
+        {
+            GPollFD aPollFD;
+            aPollFD.fd = ConnectionNumber(gdk_x11_display_get_xdisplay(pDisplay));
+            aPollFD.events = G_IO_IN;
+            return g_poll(&aPollFD, 1, 0) > 0;
+        }
+#endif
+        return false;
+    }
+}
+
+bool GtkInstance::AnyInput( VclInputFlags nType )
+{
+    EnsureInit();
+    if( (nType & VclInputFlags::TIMER) && IsTimerExpired() )
+        return true;
+
+    // strip timer bits now
+    nType = nType & ~VclInputFlags::TIMER;
+
+    static constexpr VclInputFlags ANY_INPUT_EXCLUDING_TIMER = VCL_INPUT_ANY & ~VclInputFlags::TIMER;
+
+    const bool bCheckForAnyInput = nType == ANY_INPUT_EXCLUDING_TIMER;
+
+    bool bRet = false;
+
+    if (bCheckForAnyInput)
+        bRet = DisplayHasAnyInput();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GdkDisplay* pDisplay = gdk_display_get_default();
+    if (!gdk_display_has_pending(pDisplay))
+        return bRet;
+
+    if (bCheckForAnyInput)
+        return true;
+
+    std::deque<GdkEvent*> aEvents;
+    GdkEvent *pEvent = nullptr;
+    while ((pEvent = gdk_display_get_event(pDisplay)))
+    {
+        aEvents.push_back(pEvent);
+        VclInputFlags nEventType = categorizeEvent(pEvent);
+        if ( (nEventType & nType) || ( nEventType == VclInputFlags::NONE && (nType & VclInputFlags::OTHER) ) )
+        {
+            bRet = true;
+        }
+    }
+
+    while (!aEvents.empty())
+    {
+        pEvent = aEvents.front();
+        gdk_display_put_event(pDisplay, pEvent);
+        gdk_event_free(pEvent);
+        aEvents.pop_front();
+    }
+#endif
+
+    return bRet;
+}
+
+std::unique_ptr<GenPspGraphics> GtkInstance::CreatePrintGraphics()
+{
+    EnsureInit();
+    return std::make_unique<GenPspGraphics>();
+}
+
+const cairo_font_options_t* GtkInstance::GetCairoFontOptions()
+{
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    const cairo_font_options_t* pCairoFontOptions = gdk_screen_get_font_options(gdk_screen_get_default());
+#else
+    auto pDefaultWin = ImplGetDefaultWindow();
+    assert(pDefaultWin);
+    SalFrame* pDefaultFrame = pDefaultWin->ImplGetFrame();
+    GtkSalFrame* pGtkFrame = dynamic_cast<GtkSalFrame*>(pDefaultFrame);
+    assert(pGtkFrame);
+    const cairo_font_options_t* pCairoFontOptions = pGtkFrame->get_font_options();
+#endif
+    if (!m_pLastCairoFontOptions && pCairoFontOptions)
+        m_pLastCairoFontOptions = cairo_font_options_copy(pCairoFontOptions);
+    return pCairoFontOptions;
+}
+
+const cairo_font_options_t* GtkInstance::GetLastSeenCairoFontOptions() const
+{
+    return m_pLastCairoFontOptions;
+}
+
+void GtkInstance::ResetLastSeenCairoFontOptions(const cairo_font_options_t* pCairoFontOptions)
+{
+    if (m_pLastCairoFontOptions)
+        cairo_font_options_destroy(m_pLastCairoFontOptions);
+    if (pCairoFontOptions)
+        m_pLastCairoFontOptions = cairo_font_options_copy(pCairoFontOptions);
+    else
+        m_pLastCairoFontOptions = nullptr;
+}
+
+
+namespace
+{
+    struct TypeEntry
+    {
+        const char*     pNativeType;        // string corresponding to nAtom for the case of nAtom being uninitialized
+        const char*     pType;              // Mime encoding on our side
+    };
+
+    const TypeEntry aConversionTab[] =
+    {
+        { "ISO10646-1", "text/plain;charset=utf-16" },
+        { "UTF8_STRING", "text/plain;charset=utf-8" },
+        { "UTF-8", "text/plain;charset=utf-8" },
+        { "text/plain;charset=UTF-8", "text/plain;charset=utf-8" },
+        // ISO encodings
+        { "ISO8859-2", "text/plain;charset=iso8859-2" },
+        { "ISO8859-3", "text/plain;charset=iso8859-3" },
+        { "ISO8859-4", "text/plain;charset=iso8859-4" },
+        { "ISO8859-5", "text/plain;charset=iso8859-5" },
+        { "ISO8859-6", "text/plain;charset=iso8859-6" },
+        { "ISO8859-7", "text/plain;charset=iso8859-7" },
+        { "ISO8859-8", "text/plain;charset=iso8859-8" },
+        { "ISO8859-9", "text/plain;charset=iso8859-9" },
+        { "ISO8859-10", "text/plain;charset=iso8859-10" },
+        { "ISO8859-13", "text/plain;charset=iso8859-13" },
+        { "ISO8859-14", "text/plain;charset=iso8859-14" },
+        { "ISO8859-15", "text/plain;charset=iso8859-15" },
+        // asian encodings
+        { "JISX0201.1976-0", "text/plain;charset=jisx0201.1976-0" },
+        { "JISX0208.1983-0", "text/plain;charset=jisx0208.1983-0" },
+        { "JISX0208.1990-0", "text/plain;charset=jisx0208.1990-0" },
+        { "JISX0212.1990-0", "text/plain;charset=jisx0212.1990-0" },
+        { "GB2312.1980-0", "text/plain;charset=gb2312.1980-0" },
+        { "KSC5601.1992-0", "text/plain;charset=ksc5601.1992-0" },
+        // eastern european encodings
+        { "KOI8-R", "text/plain;charset=koi8-r" },
+        { "KOI8-U", "text/plain;charset=koi8-u" },
+        // String (== iso8859-1)
+        { "STRING", "text/plain;charset=iso8859-1" },
+        // special for compound text
+        { "COMPOUND_TEXT", "text/plain;charset=compound_text" },
+
+        // PIXMAP
+        { "PIXMAP", "image/bmp" }
+    };
+
+    class DataFlavorEq
+    {
+    private:
+        const css::datatransfer::DataFlavor& m_rData;
+    public:
+        explicit DataFlavorEq(const css::datatransfer::DataFlavor& rData) : m_rData(rData) {}
+        bool operator() (const css::datatransfer::DataFlavor& rData) const
+        {
+            return rData.MimeType == m_rData.MimeType &&
+                   rData.DataType  == m_rData.DataType;
+        }
+    };
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+std::vector<css::datatransfer::DataFlavor> GtkTransferable::getTransferDataFlavorsAsVector(const char * const *targets, gint n_targets)
+#else
+std::vector<css::datatransfer::DataFlavor> GtkTransferable::getTransferDataFlavorsAsVector(GdkAtom *targets, gint n_targets)
+#endif
+{
+    std::vector<css::datatransfer::DataFlavor> aVector;
+
+    bool bHaveText = false, bHaveUTF16 = false;
+
+    for (gint i = 0; i < n_targets; ++i)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        const gchar* pName = targets[i];
+#else
+        gchar* pName = gdk_atom_name(targets[i]);
+#endif
+        const char* pFinalName = pName;
+        css::datatransfer::DataFlavor aFlavor;
+
+        // omit text/plain;charset=unicode since it is not well defined
+        if (rtl_str_compare(pName, "text/plain;charset=unicode") == 0)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            g_free(pName);
+#endif
+            continue;
+        }
+
+        for (size_t j = 0; j < SAL_N_ELEMENTS(aConversionTab); ++j)
+        {
+            if (rtl_str_compare(pName, aConversionTab[j].pNativeType) == 0)
+            {
+                pFinalName = aConversionTab[j].pType;
+                break;
+            }
+        }
+
+        // There are more non-MIME-types reported that are not translated by
+        // aConversionTab, like "SAVE_TARGETS", "INTEGER", "ATOM"; just filter
+        // them out for now before they confuse this code's clients:
+        if (rtl_str_indexOfChar(pFinalName, '/') == -1)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            g_free(pName);
+#endif
+            continue;
+        }
+
+        aFlavor.MimeType = OUString(pFinalName,
+                                    strlen(pFinalName),
+                                    RTL_TEXTENCODING_UTF8);
+
+        m_aMimeTypeToGtkType[aFlavor.MimeType] = targets[i];
+
+        aFlavor.DataType = cppu::UnoType<Sequence< sal_Int8 >>::get();
+
+        sal_Int32 nIndex(0);
+        if (o3tl::getToken(aFlavor.MimeType, 0, ';', nIndex) == u"text/plain")
+        {
+            bHaveText = true;
+            std::u16string_view aToken(o3tl::getToken(aFlavor.MimeType, 0, ';', nIndex));
+            if (aToken == u"charset=utf-16")
+            {
+                bHaveUTF16 = true;
+                aFlavor.DataType = cppu::UnoType<OUString>::get();
+            }
+        }
+        aVector.push_back(aFlavor);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_free(pName);
+#endif
+    }
+
+    //If we have text, but no UTF-16 format which is basically the only
+    //text-format LibreOffice supports for cnp then claim we do and we
+    //will convert on demand
+    if (bHaveText && !bHaveUTF16)
+    {
+        css::datatransfer::DataFlavor aFlavor;
+        aFlavor.MimeType = "text/plain;charset=utf-16";
+        aFlavor.DataType = cppu::UnoType<OUString>::get();
+        aVector.push_back(aFlavor);
+    }
+
+    return aVector;
+}
+
+css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL GtkTransferable::getTransferDataFlavors()
+{
+    return comphelper::containerToSequence(getTransferDataFlavorsAsVector());
+}
+
+sal_Bool SAL_CALL GtkTransferable::isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor)
+{
+    const std::vector<css::datatransfer::DataFlavor> aAll =
+        getTransferDataFlavorsAsVector();
+
+    return std::any_of(aAll.begin(), aAll.end(), DataFlavorEq(rFlavor));
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+void read_transfer_result::read_block_async_completed(GObject* source, GAsyncResult* res, gpointer user_data)
+{
+    GInputStream* stream = G_INPUT_STREAM(source);
+    read_transfer_result* pRes = static_cast<read_transfer_result*>(user_data);
+
+    gsize bytes_read = g_input_stream_read_finish(stream, res, nullptr);
+
+    bool bFinished = bytes_read == 0;
+
+    if (bFinished)
+    {
+        g_object_unref(stream);
+        pRes->aVector.resize(pRes->nRead);
+        pRes->bDone = true;
+        g_main_context_wakeup(nullptr);
+        return;
+    }
+
+    pRes->nRead += bytes_read;
+
+    pRes->aVector.resize(pRes->nRead + read_transfer_result::BlockSize);
+
+    g_input_stream_read_async(stream,
+                              pRes->aVector.data() + pRes->nRead,
+                              read_transfer_result::BlockSize,
+                              G_PRIORITY_DEFAULT,
+                              nullptr,
+                              read_block_async_completed,
+                              user_data);
+}
+
+OUString read_transfer_result::get_as_string() const
+{
+    const char* pStr = reinterpret_cast<const char*>(aVector.data());
+    return OUString(pStr, aVector.size(), RTL_TEXTENCODING_UTF8).replaceAll("\r\n", "\n");
+}
+
+css::uno::Sequence<sal_Int8> read_transfer_result::get_as_sequence() const
+{
+    return css::uno::Sequence<sal_Int8>(aVector.data(), aVector.size());
+}
+#endif
+
+namespace {
+
+GdkClipboard* clipboard_get(SelectionType eSelection)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    if (eSelection == SELECTION_CLIPBOARD)
+        return gdk_display_get_clipboard(gdk_display_get_default());
+    return gdk_display_get_primary_clipboard(gdk_display_get_default());
+#else
+    return gtk_clipboard_get(eSelection == SELECTION_CLIPBOARD ? GDK_SELECTION_CLIPBOARD : GDK_SELECTION_PRIMARY);
+#endif
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+
+void read_clipboard_async_completed(GObject* source, GAsyncResult* res, gpointer user_data)
+{
+    GdkClipboard* clipboard = GDK_CLIPBOARD(source);
+    read_transfer_result* pRes = static_cast<read_transfer_result*>(user_data);
+
+    GInputStream* pResult = gdk_clipboard_read_finish(clipboard, res, nullptr, nullptr);
+
+    if (!pResult)
+    {
+        pRes->bDone = true;
+        g_main_context_wakeup(nullptr);
+        return;
+    }
+
+    pRes->aVector.resize(read_transfer_result::BlockSize);
+
+    g_input_stream_read_async(pResult,
+                              pRes->aVector.data(),
+                              pRes->aVector.size(),
+                              G_PRIORITY_DEFAULT,
+                              nullptr,
+                              read_transfer_result::read_block_async_completed,
+                              user_data);
+}
+
+#endif
+
+class GtkClipboardTransferable : public GtkTransferable
+{
+private:
+    SelectionType m_eSelection;
+
+public:
+
+    explicit GtkClipboardTransferable(SelectionType eSelection)
+        : m_eSelection(eSelection)
+    {
+    }
+
+    /*
+     * XTransferable
+     */
+
+    virtual css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override
+    {
+        css::uno::Any aRet;
+
+        css::datatransfer::DataFlavor aFlavor(rFlavor);
+        if (aFlavor.MimeType == "text/plain;charset=utf-16")
+            aFlavor.MimeType = "text/plain;charset=utf-8";
+
+        GdkClipboard* clipboard = clipboard_get(m_eSelection);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (aFlavor.MimeType == "text/plain;charset=utf-8")
+        {
+            gchar *pText = gtk_clipboard_wait_for_text(clipboard);
+            OUString aStr(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+            g_free(pText);
+            aRet <<= aStr.replaceAll("\r\n", "\n");
+            return aRet;
+        }
+#endif
+
+        auto it = m_aMimeTypeToGtkType.find(aFlavor.MimeType);
+        if (it == m_aMimeTypeToGtkType.end())
+            return css::uno::Any();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkSelectionData* data = gtk_clipboard_wait_for_contents(clipboard,
+                                                                 it->second);
+        if (!data)
+        {
+            return css::uno::Any();
+        }
+        gint length;
+        const guchar *rawdata = gtk_selection_data_get_data_with_length(data,
+                                                                        &length);
+        Sequence<sal_Int8> aSeq(reinterpret_cast<const sal_Int8*>(rawdata), length);
+        gtk_selection_data_free(data);
+        aRet <<= aSeq;
+#else
+        SalInstance* pInstance = GetSalInstance();
+        read_transfer_result aRes;
+        const char *mime_types[] = { it->second.getStr(), nullptr };
+
+        gdk_clipboard_read_async(clipboard,
+                                 mime_types,
+                                 G_PRIORITY_DEFAULT,
+                                 nullptr,
+                                 read_clipboard_async_completed,
+                                 &aRes);
+
+        while (!aRes.bDone)
+            pInstance->DoYield(true, false);
+
+        if (aFlavor.MimeType == "text/plain;charset=utf-8")
+            aRet <<= aRes.get_as_string();
+        else
+            aRet <<= aRes.get_as_sequence();
+#endif
+        return aRet;
+    }
+
+    std::vector<css::datatransfer::DataFlavor> getTransferDataFlavorsAsVector()
+        override
+    {
+        std::vector<css::datatransfer::DataFlavor> aVector;
+
+        GdkClipboard* clipboard = clipboard_get(m_eSelection);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GdkContentFormats* pFormats = gdk_clipboard_get_formats(clipboard);
+        gsize n_targets;
+        const char * const *targets = gdk_content_formats_get_mime_types(pFormats, &n_targets);
+        aVector = GtkTransferable::getTransferDataFlavorsAsVector(targets, n_targets);
+#else
+        GdkAtom *targets;
+        gint n_targets;
+        if (gtk_clipboard_wait_for_targets(clipboard, &targets, &n_targets))
+        {
+            aVector = GtkTransferable::getTransferDataFlavorsAsVector(targets, n_targets);
+            g_free(targets);
+        }
+#endif
+
+        return aVector;
+    }
+};
+
+class VclGtkClipboard :
+        public cppu::WeakComponentImplHelper<
+        datatransfer::clipboard::XSystemClipboard,
+        datatransfer::clipboard::XFlushableClipboard,
+        XServiceInfo>
+{
+    SelectionType                                            m_eSelection;
+    osl::Mutex                                               m_aMutex;
+    gulong                                                   m_nOwnerChangedSignalId;
+    ImplSVEvent*                                             m_pSetClipboardEvent;
+    Reference<css::datatransfer::XTransferable>              m_aContents;
+    Reference<css::datatransfer::clipboard::XClipboardOwner> m_aOwner;
+    std::vector< Reference<css::datatransfer::clipboard::XClipboardListener> > m_aListeners;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    std::vector<OString> m_aGtkTargets;
+    TransferableContent* m_pClipboardContent;
+#else
+    std::vector<GtkTargetEntry> m_aGtkTargets;
+#endif
+    VclToGtkHelper m_aConversionHelper;
+
+    DECL_LINK(AsyncSetGtkClipboard, void*, void);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    DECL_LINK(DetachClipboard, void*, void);
+#endif
+
+public:
+
+    explicit VclGtkClipboard(SelectionType eSelection);
+    virtual ~VclGtkClipboard() override;
+
+    /*
+     * XServiceInfo
+     */
+
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    /*
+     * XClipboard
+     */
+
+    virtual Reference< css::datatransfer::XTransferable > SAL_CALL getContents() override;
+
+    virtual void SAL_CALL setContents(
+        const Reference< css::datatransfer::XTransferable >& xTrans,
+        const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) override;
+
+    virtual OUString SAL_CALL getName() override;
+
+    /*
+     * XClipboardEx
+     */
+
+    virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
+
+    /*
+     * XFlushableClipboard
+     */
+    virtual void SAL_CALL flushClipboard() override;
+
+    /*
+     * XClipboardNotifier
+     */
+    virtual void SAL_CALL addClipboardListener(
+        const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
+
+    virtual void SAL_CALL removeClipboardListener(
+        const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void ClipboardGet(GtkSelectionData *selection_data, guint info);
+#endif
+    void OwnerPossiblyChanged(GdkClipboard *clipboard);
+    void ClipboardClear();
+    void SetGtkClipboard();
+    void SyncGtkClipboard();
+};
+
+}
+
+OUString VclGtkClipboard::getImplementationName()
+{
+    return "com.sun.star.datatransfer.VclGtkClipboard";
+}
+
+Sequence< OUString > VclGtkClipboard::getSupportedServiceNames()
+{
+    Sequence<OUString> aRet { "com.sun.star.datatransfer.clipboard.SystemClipboard" };
+    return aRet;
+}
+
+sal_Bool VclGtkClipboard::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Reference< css::datatransfer::XTransferable > VclGtkClipboard::getContents()
+{
+    if (!m_aContents.is())
+    {
+        //tdf#93887 This is the system clipboard/selection. We fetch it when we are not
+        //the owner of the clipboard and have not already fetched it.
+        m_aContents = new GtkClipboardTransferable(m_eSelection);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (m_pClipboardContent)
+            transerable_content_set_transferable(m_pClipboardContent, m_aContents.get());
+#endif
+    }
+    return m_aContents;
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+void VclGtkClipboard::ClipboardGet(GtkSelectionData *selection_data, guint info)
+{
+    if (!m_aContents.is())
+        return;
+    // tdf#129809 take a reference in case m_aContents is replaced during this
+    // call
+    Reference<datatransfer::XTransferable> xCurrentContents(m_aContents);
+    m_aConversionHelper.setSelectionData(xCurrentContents, selection_data, info);
+}
+
+namespace
+{
+    const OString& getPID()
+    {
+        static OString sPID;
+        if (!sPID.getLength())
+        {
+            oslProcessIdentifier aProcessId = 0;
+            oslProcessInfo info;
+            info.Size = sizeof (oslProcessInfo);
+            if (osl_getProcessInfo(nullptr, osl_Process_IDENTIFIER, &info) == osl_Process_E_None)
+                aProcessId = info.Ident;
+            sPID = OString::number(aProcessId);
+        }
+        return sPID;
+    }
+
+    void ClipboardGetFunc(GdkClipboard* /*clipboard*/, GtkSelectionData *selection_data,
+                          guint info,
+                          gpointer user_data_or_owner)
+    {
+        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
+        pThis->ClipboardGet(selection_data, info);
+    }
+
+    void ClipboardClearFunc(GdkClipboard* /*clipboard*/, gpointer user_data_or_owner)
+    {
+        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data_or_owner);
+        pThis->ClipboardClear();
+    }
+}
+#endif
+
+namespace
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    void handle_owner_change(GdkClipboard *clipboard, gpointer user_data)
+    {
+        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data);
+        pThis->OwnerPossiblyChanged(clipboard);
+    }
+#else
+    void handle_owner_change(GdkClipboard *clipboard, GdkEvent* /*event*/, gpointer user_data)
+    {
+        VclGtkClipboard* pThis = static_cast<VclGtkClipboard*>(user_data);
+        pThis->OwnerPossiblyChanged(clipboard);
+    }
+#endif
+}
+
+void VclGtkClipboard::OwnerPossiblyChanged(GdkClipboard* clipboard)
+{
+    SyncGtkClipboard(); // tdf#138183 do any pending SetGtkClipboard calls
+    if (!m_aContents.is())
+        return;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    bool bSelf = gdk_clipboard_is_local(clipboard);
+#else
+    //if gdk_display_supports_selection_notification is not supported, e.g. like
+    //right now under wayland, then you only get owner-changed notifications at
+    //opportune times when the selection might have changed. So here
+    //we see if the selection supports a dummy selection type identifying
+    //our pid, in which case it's us.
+    bool bSelf = false;
+
+    //disconnect and reconnect after gtk_clipboard_wait_for_targets to
+    //avoid possible recursion
+    g_signal_handler_disconnect(clipboard, m_nOwnerChangedSignalId);
+
+    OString sTunnel = "application/x-libreoffice-internal-id-" + getPID();
+    GdkAtom *targets;
+    gint n_targets;
+    if (gtk_clipboard_wait_for_targets(clipboard, &targets, &n_targets))
+    {
+        for (gint i = 0; i < n_targets && !bSelf; ++i)
+        {
+            gchar* pName = gdk_atom_name(targets[i]);
+            if (strcmp(pName, sTunnel.getStr()) == 0)
+            {
+                bSelf = true;
+            }
+            g_free(pName);
+        }
+
+        g_free(targets);
+    }
+
+    m_nOwnerChangedSignalId = g_signal_connect(clipboard, "owner-change",
+                                               G_CALLBACK(handle_owner_change), this);
+#endif
+
+    if (!bSelf)
+    {
+        //null out m_aContents to return control to the system-one which
+        //will be retrieved if getContents is called again
+        setContents(Reference<css::datatransfer::XTransferable>(),
+                    Reference<css::datatransfer::clipboard::XClipboardOwner>());
+    }
+}
+
+void VclGtkClipboard::ClipboardClear()
+{
+    if (m_pSetClipboardEvent)
+    {
+        Application::RemoveUserEvent(m_pSetClipboardEvent);
+        m_pSetClipboardEvent = nullptr;
+    }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    for (auto &a : m_aGtkTargets)
+        g_free(a.target);
+#endif
+    m_aGtkTargets.clear();
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+IMPL_LINK_NOARG(VclGtkClipboard, DetachClipboard, void*, void)
+{
+    ClipboardClear();
+}
+
+OString VclToGtkHelper::makeGtkTargetEntry(const css::datatransfer::DataFlavor& rFlavor)
+{
+    OString aEntry = OUStringToOString(rFlavor.MimeType, RTL_TEXTENCODING_UTF8);
+    auto it = std::find_if(aInfoToFlavor.begin(), aInfoToFlavor.end(),
+                           DataFlavorEq(rFlavor));
+    if (it == aInfoToFlavor.end())
+        aInfoToFlavor.push_back(rFlavor);
+    return aEntry;
+}
+#else
+GtkTargetEntry VclToGtkHelper::makeGtkTargetEntry(const css::datatransfer::DataFlavor& rFlavor)
+{
+    GtkTargetEntry aEntry;
+    aEntry.target =
+        g_strdup(OUStringToOString(rFlavor.MimeType, RTL_TEXTENCODING_UTF8).getStr());
+    aEntry.flags = 0;
+    auto it = std::find_if(aInfoToFlavor.begin(), aInfoToFlavor.end(),
+                        DataFlavorEq(rFlavor));
+    if (it != aInfoToFlavor.end())
+        aEntry.info = std::distance(aInfoToFlavor.begin(), it);
+    else
+    {
+        aEntry.info = aInfoToFlavor.size();
+        aInfoToFlavor.push_back(rFlavor);
+    }
+    return aEntry;
+}
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+
+namespace
+{
+    void write_mime_type_done(GObject* pStream, GAsyncResult* pResult, gpointer pTaskPtr)
+    {
+        GTask* pTask = static_cast<GTask*>(pTaskPtr);
+
+        GError* pError = nullptr;
+        if (!g_output_stream_write_all_finish(G_OUTPUT_STREAM(pStream),
+                                              pResult, nullptr, &pError))
+        {
+            g_task_return_error(pTask, pError);
+        }
+        else
+        {
+            g_task_return_boolean(pTask, true);
+        }
+
+        g_object_unref(pTask);
+    }
+
+    class MimeTypeEq
+    {
+    private:
+        const OUString& m_rMimeType;
+    public:
+        explicit MimeTypeEq(const OUString& rMimeType) : m_rMimeType(rMimeType) {}
+        bool operator() (const css::datatransfer::DataFlavor& rData) const
+        {
+            return rData.MimeType == m_rMimeType;
+        }
+    };
+}
+
+void VclToGtkHelper::setSelectionData(const Reference<css::datatransfer::XTransferable> &rTrans,
+                                      GdkContentProvider* provider,
+                                      const char* mime_type,
+                                      GOutputStream* stream,
+                                      int io_priority,
+                                      GCancellable* cancellable,
+                                      GAsyncReadyCallback callback,
+                                      gpointer user_data)
+{
+    GTask *task = g_task_new(provider, cancellable, callback, user_data);
+    g_task_set_priority(task, io_priority);
+
+    OUString sMimeType(mime_type, strlen(mime_type), RTL_TEXTENCODING_UTF8);
+
+    auto it = std::find_if(aInfoToFlavor.begin(), aInfoToFlavor.end(),
+                           MimeTypeEq(sMimeType));
+    if (it == aInfoToFlavor.end())
+    {
+        SAL_WARN( "vcl.gtk", "unknown mime-type request from clipboard");
+        g_task_return_new_error(task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+            "unknown mime-type “%s” request from clipboard", mime_type);
+        g_object_unref(task);
+        return;
+    }
+
+    css::datatransfer::DataFlavor aFlavor(*it);
+    if (aFlavor.MimeType == "UTF8_STRING" || aFlavor.MimeType == "STRING")
+        aFlavor.MimeType = "text/plain;charset=utf-8";
+
+    Sequence<sal_Int8> aData;
+    Any aValue;
+
+    try
+    {
+        aValue = rTrans->getTransferData(aFlavor);
+    }
+    catch (...)
+    {
+    }
+
+    if (aValue.getValueTypeClass() == TypeClass_STRING)
+    {
+        OUString aString;
+        aValue >>= aString;
+        aData = Sequence< sal_Int8 >( reinterpret_cast<sal_Int8 const *>(aString.getStr()), aString.getLength() * sizeof( sal_Unicode ) );
+    }
+    else if (aValue.getValueType() == cppu::UnoType<Sequence< sal_Int8 >>::get())
+    {
+        aValue >>= aData;
+    }
+    else if (aFlavor.MimeType == "text/plain;charset=utf-8")
+    {
+        //didn't have utf-8, try utf-16 and convert
+        aFlavor.MimeType = "text/plain;charset=utf-16";
+        aFlavor.DataType = cppu::UnoType<OUString>::get();
+        try
+        {
+            aValue = rTrans->getTransferData(aFlavor);
+        }
+        catch (...)
+        {
+        }
+        OUString aString;
+        aValue >>= aString;
+        OString aUTF8String(OUStringToOString(aString, RTL_TEXTENCODING_UTF8));
+
+        g_output_stream_write_all_async(stream, aUTF8String.getStr(), aUTF8String.getLength(),
+                                        io_priority, cancellable, write_mime_type_done, task);
+        return;
+    }
+
+    g_output_stream_write_all_async(stream, aData.getArray(), aData.getLength(),
+                                    io_priority, cancellable, write_mime_type_done, task);
+}
+#else
+void VclToGtkHelper::setSelectionData(const Reference<css::datatransfer::XTransferable> &rTrans,
+                                      GtkSelectionData *selection_data, guint info)
+{
+    GdkAtom type(gdk_atom_intern(OUStringToOString(aInfoToFlavor[info].MimeType,
+                                                   RTL_TEXTENCODING_UTF8).getStr(),
+                                 false));
+
+    css::datatransfer::DataFlavor aFlavor(aInfoToFlavor[info]);
+    if (aFlavor.MimeType == "UTF8_STRING" || aFlavor.MimeType == "STRING")
+        aFlavor.MimeType = "text/plain;charset=utf-8";
+
+    Sequence<sal_Int8> aData;
+    Any aValue;
+
+    try
+    {
+        aValue = rTrans->getTransferData(aFlavor);
+    }
+    catch (...)
+    {
+    }
+
+    if (aValue.getValueTypeClass() == TypeClass_STRING)
+    {
+        OUString aString;
+        aValue >>= aString;
+        aData = Sequence< sal_Int8 >( reinterpret_cast<sal_Int8 const *>(aString.getStr()), aString.getLength() * sizeof( sal_Unicode ) );
+    }
+    else if (aValue.getValueType() == cppu::UnoType<Sequence< sal_Int8 >>::get())
+    {
+        aValue >>= aData;
+    }
+    else if (aFlavor.MimeType == "text/plain;charset=utf-8")
+    {
+        //didn't have utf-8, try utf-16 and convert
+        aFlavor.MimeType = "text/plain;charset=utf-16";
+        aFlavor.DataType = cppu::UnoType<OUString>::get();
+        try
+        {
+            aValue = rTrans->getTransferData(aFlavor);
+        }
+        catch (...)
+        {
+        }
+        OUString aString;
+        aValue >>= aString;
+        OString aUTF8String(OUStringToOString(aString, RTL_TEXTENCODING_UTF8));
+        gtk_selection_data_set(selection_data, type, 8,
+                               reinterpret_cast<const guchar *>(aUTF8String.getStr()),
+                               aUTF8String.getLength());
+        return;
+    }
+
+    gtk_selection_data_set(selection_data, type, 8,
+                           reinterpret_cast<const guchar *>(aData.getArray()),
+                           aData.getLength());
+}
+#endif
+
+VclGtkClipboard::VclGtkClipboard(SelectionType eSelection)
+    : cppu::WeakComponentImplHelper<datatransfer::clipboard::XSystemClipboard,
+                                    datatransfer::clipboard::XFlushableClipboard, XServiceInfo>
+        (m_aMutex)
+    , m_eSelection(eSelection)
+    , m_pSetClipboardEvent(nullptr)
+#if GTK_CHECK_VERSION(4, 0, 0)
+    , m_pClipboardContent(nullptr)
+#endif
+{
+    GdkClipboard* clipboard = clipboard_get(m_eSelection);
+#if GTK_CHECK_VERSION(4, 0, 0)
+    m_nOwnerChangedSignalId = g_signal_connect(clipboard, "changed",
+                                               G_CALLBACK(handle_owner_change), this);
+#else
+    m_nOwnerChangedSignalId = g_signal_connect(clipboard, "owner-change",
+                                               G_CALLBACK(handle_owner_change), this);
+#endif
+}
+
+void VclGtkClipboard::flushClipboard()
+{
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    SolarMutexGuard aGuard;
+
+    if (m_eSelection != SELECTION_CLIPBOARD)
+        return;
+
+    GdkClipboard* clipboard = clipboard_get(m_eSelection);
+    gtk_clipboard_store(clipboard);
+#endif
+}
+
+VclGtkClipboard::~VclGtkClipboard()
+{
+    GdkClipboard* clipboard = clipboard_get(m_eSelection);
+    g_signal_handler_disconnect(clipboard, m_nOwnerChangedSignalId);
+    if (!m_aGtkTargets.empty())
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gdk_clipboard_set_content(clipboard, nullptr);
+        m_pClipboardContent = nullptr;
+#else
+        gtk_clipboard_clear(clipboard);
+#endif
+        ClipboardClear();
+    }
+    assert(!m_pSetClipboardEvent);
+    assert(m_aGtkTargets.empty());
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+std::vector<OString> VclToGtkHelper::FormatsToGtk(const css::uno::Sequence<css::datatransfer::DataFlavor> &rFormats)
+#else
+std::vector<GtkTargetEntry> VclToGtkHelper::FormatsToGtk(const css::uno::Sequence<css::datatransfer::DataFlavor> &rFormats)
+#endif
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    std::vector<OString> aGtkTargets;
+#else
+    std::vector<GtkTargetEntry> aGtkTargets;
+#endif
+
+    bool bHaveText(false), bHaveUTF8(false);
+    for (const css::datatransfer::DataFlavor& rFlavor : rFormats)
+    {
+        sal_Int32 nIndex(0);
+        if (o3tl::getToken(rFlavor.MimeType, 0, ';', nIndex) == u"text/plain")
+        {
+            bHaveText = true;
+            std::u16string_view aToken(o3tl::getToken(rFlavor.MimeType, 0, ';', nIndex));
+            if (aToken == u"charset=utf-8")
+            {
+                bHaveUTF8 = true;
+            }
+        }
+        aGtkTargets.push_back(makeGtkTargetEntry(rFlavor));
+    }
+
+    if (bHaveText)
+    {
+        css::datatransfer::DataFlavor aFlavor;
+        aFlavor.DataType = cppu::UnoType<Sequence< sal_Int8 >>::get();
+        if (!bHaveUTF8)
+        {
+            aFlavor.MimeType = "text/plain;charset=utf-8";
+            aGtkTargets.push_back(makeGtkTargetEntry(aFlavor));
+        }
+        aFlavor.MimeType = "UTF8_STRING";
+        aGtkTargets.push_back(makeGtkTargetEntry(aFlavor));
+        aFlavor.MimeType = "STRING";
+        aGtkTargets.push_back(makeGtkTargetEntry(aFlavor));
+    }
+
+    return aGtkTargets;
+}
+
+IMPL_LINK_NOARG(VclGtkClipboard, AsyncSetGtkClipboard, void*, void)
+{
+    osl::Guard aGuard( m_aMutex );
+    m_pSetClipboardEvent = nullptr;
+    SetGtkClipboard();
+}
+
+void VclGtkClipboard::SyncGtkClipboard()
+{
+    osl::Guard aGuard(m_aMutex);
+    if (m_pSetClipboardEvent)
+    {
+        Application::RemoveUserEvent(m_pSetClipboardEvent);
+        m_pSetClipboardEvent = nullptr;
+        SetGtkClipboard();
+    }
+}
+
+void VclGtkClipboard::SetGtkClipboard()
+{
+    GdkClipboard* clipboard = clipboard_get(m_eSelection);
+#if GTK_CHECK_VERSION(4, 0, 0)
+    m_pClipboardContent = TRANSFERABLE_CONTENT(transerable_content_new(&m_aConversionHelper, m_aContents.get()));
+    transerable_content_set_detach_clipboard_link(m_pClipboardContent, LINK(this, VclGtkClipboard, DetachClipboard));
+    gdk_clipboard_set_content(clipboard, GDK_CONTENT_PROVIDER(m_pClipboardContent));
+#else
+    gtk_clipboard_set_with_data(clipboard, m_aGtkTargets.data(), m_aGtkTargets.size(),
+                                ClipboardGetFunc, ClipboardClearFunc, this);
+    gtk_clipboard_set_can_store(clipboard, m_aGtkTargets.data(), m_aGtkTargets.size());
+#endif
+}
+
+void VclGtkClipboard::setContents(
+        const Reference< css::datatransfer::XTransferable >& xTrans,
+        const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner )
+{
+    css::uno::Sequence<css::datatransfer::DataFlavor> aFormats;
+    if (xTrans.is())
+    {
+        aFormats = xTrans->getTransferDataFlavors();
+    }
+
+    osl::ClearableMutexGuard aGuard( m_aMutex );
+    Reference< datatransfer::clipboard::XClipboardOwner > xOldOwner( m_aOwner );
+    Reference< datatransfer::XTransferable > xOldContents( m_aContents );
+    m_aContents = xTrans;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    if (m_pClipboardContent)
+        transerable_content_set_transferable(m_pClipboardContent, m_aContents.get());
+#endif
+    m_aOwner = xClipboardOwner;
+
+    std::vector< Reference< datatransfer::clipboard::XClipboardListener > > aListeners( m_aListeners );
+    datatransfer::clipboard::ClipboardEvent aEv;
+
+    GdkClipboard* clipboard = clipboard_get(m_eSelection);
+    if (!m_aGtkTargets.empty())
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gdk_clipboard_set_content(clipboard, nullptr);
+        m_pClipboardContent = nullptr;
+#else
+        gtk_clipboard_clear(clipboard);
+#endif
+        ClipboardClear();
+    }
+    assert(m_aGtkTargets.empty());
+    if (m_aContents.is())
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        std::vector<OString> aGtkTargets(m_aConversionHelper.FormatsToGtk(aFormats));
+#else
+        std::vector<GtkTargetEntry> aGtkTargets(m_aConversionHelper.FormatsToGtk(aFormats));
+#endif
+        if (!aGtkTargets.empty())
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            GtkTargetEntry aEntry;
+            OString sTunnel = "application/x-libreoffice-internal-id-" + getPID();
+            aEntry.target = g_strdup(sTunnel.getStr());
+            aEntry.flags = 0;
+            aEntry.info = 0;
+            aGtkTargets.push_back(aEntry);
+#endif
+            m_aGtkTargets = aGtkTargets;
+
+            if (!m_pSetClipboardEvent)
+                m_pSetClipboardEvent = Application::PostUserEvent(LINK(this, VclGtkClipboard, AsyncSetGtkClipboard));
+        }
+    }
+
+    aEv.Contents = getContents();
+
+    aGuard.clear();
+
+    if (xOldOwner.is() && xOldOwner != xClipboardOwner)
+        xOldOwner->lostOwnership( this, xOldContents );
+    for (auto const& listener : aListeners)
+    {
+        listener->changedContents( aEv );
+    }
+}
+
+OUString VclGtkClipboard::getName()
+{
+    return (m_eSelection == SELECTION_CLIPBOARD) ? OUString("CLIPBOARD") : OUString("PRIMARY");
+}
+
+sal_Int8 VclGtkClipboard::getRenderingCapabilities()
+{
+    return 0;
+}
+
+void VclGtkClipboard::addClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
+{
+    osl::Guard aGuard( m_aMutex );
+
+    m_aListeners.push_back( listener );
+}
+
+void VclGtkClipboard::removeClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
+{
+    osl::Guard aGuard( m_aMutex );
+
+    std::erase(m_aListeners, listener);
+}
+
+Reference< XInterface > GtkInstance::CreateClipboard(const Sequence< Any >& arguments)
+{
+    if ( IsRunningUnitTest() )
+        return SalInstance::CreateClipboard( arguments );
+
+    OUString sel;
+    if (!arguments.hasElements()) {
+        sel = "CLIPBOARD";
+    } else if (arguments.getLength() != 1 || !(arguments[0] >>= sel)) {
+        throw css::lang::IllegalArgumentException(
+            "bad GtkInstance::CreateClipboard arguments",
+            css::uno::Reference<css::uno::XInterface>(), -1);
+    }
+
+    SelectionType eSelection = (sel == "CLIPBOARD") ? SELECTION_CLIPBOARD : SELECTION_PRIMARY;
+
+    if (m_aClipboards[eSelection].is())
+        return m_aClipboards[eSelection];
+
+    Reference<XInterface> xClipboard(getXWeak(new VclGtkClipboard(eSelection)));
+    m_aClipboards[eSelection] = xClipboard;
+    return xClipboard;
+}
+
+GtkInstDropTarget::GtkInstDropTarget()
+    : WeakComponentImplHelper(m_aMutex)
+    , m_pFrame(nullptr)
+    , m_pFormatConversionRequest(nullptr)
+    , m_bActive(false)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    , m_bInDrag(false)
+#endif
+    , m_nDefaultActions(0)
+{
+}
+
+OUString SAL_CALL GtkInstDropTarget::getImplementationName()
+{
+    return "com.sun.star.datatransfer.dnd.VclGtkDropTarget";
+}
+
+sal_Bool SAL_CALL GtkInstDropTarget::supportsService(OUString const & ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+css::uno::Sequence<OUString> SAL_CALL GtkInstDropTarget::getSupportedServiceNames()
+{
+    Sequence<OUString> aRet { "com.sun.star.datatransfer.dnd.GtkDropTarget" };
+    return aRet;
+}
+
+GtkInstDropTarget::~GtkInstDropTarget()
+{
+    if (m_pFrame)
+        m_pFrame->deregisterDropTarget(this);
+}
+
+void GtkInstDropTarget::deinitialize()
+{
+    m_pFrame = nullptr;
+    m_bActive = false;
+}
+
+void GtkInstDropTarget::initialize(const Sequence<Any>& rArguments)
+{
+    if (rArguments.getLength() < 2)
+    {
+        throw RuntimeException("DropTarget::initialize: Cannot install window event handler",
+                               getXWeak());
+    }
+
+    sal_IntPtr nFrame = 0;
+    rArguments.getConstArray()[1] >>= nFrame;
+
+    if (!nFrame)
+    {
+        throw RuntimeException("DropTarget::initialize: missing SalFrame",
+                               getXWeak());
+    }
+
+    m_pFrame = reinterpret_cast<GtkSalFrame*>(nFrame);
+    m_pFrame->registerDropTarget(this);
+    m_bActive = true;
+}
+
+void GtkInstDropTarget::addDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& xListener)
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+
+    m_aListeners.push_back( xListener );
+}
+
+void GtkInstDropTarget::removeDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& xListener)
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+
+    std::erase(m_aListeners, xListener);
+}
+
+void GtkInstDropTarget::fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde)
+{
+    osl::ClearableGuard<osl::Mutex> aGuard( m_aMutex );
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> aListeners(m_aListeners);
+    aGuard.clear();
+
+    for (auto const& listener : aListeners)
+    {
+        listener->drop( dtde );
+    }
+}
+
+void GtkInstDropTarget::fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde)
+{
+    osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> aListeners(m_aListeners);
+    aGuard.clear();
+
+    for (auto const& listener : aListeners)
+    {
+        listener->dragEnter( dtde );
+    }
+}
+
+void GtkInstDropTarget::fire_dragOver(const css::datatransfer::dnd::DropTargetDragEvent& dtde)
+{
+    osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> aListeners(m_aListeners);
+    aGuard.clear();
+
+    for (auto const& listener : aListeners)
+    {
+        listener->dragOver( dtde );
+    }
+}
+
+void GtkInstDropTarget::fire_dragExit(const css::datatransfer::dnd::DropTargetEvent& dte)
+{
+    osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> aListeners(m_aListeners);
+    aGuard.clear();
+
+    for (auto const& listener : aListeners)
+    {
+        listener->dragExit( dte );
+    }
+}
+
+sal_Bool GtkInstDropTarget::isActive()
+{
+    return m_bActive;
+}
+
+void GtkInstDropTarget::setActive(sal_Bool bActive)
+{
+    m_bActive = bActive;
+}
+
+sal_Int8 GtkInstDropTarget::getDefaultActions()
+{
+    return m_nDefaultActions;
+}
+
+void GtkInstDropTarget::setDefaultActions(sal_Int8 nDefaultActions)
+{
+    m_nDefaultActions = nDefaultActions;
+}
+
+Reference<XInterface> GtkInstance::ImplCreateDropTarget(const SystemEnvData* pSysEnv)
+{
+    return vcl::X11DnDHelper(new GtkInstDropTarget(), pSysEnv->aShellWindow);
+}
+
+GtkInstDragSource::~GtkInstDragSource()
+{
+    if (m_pFrame)
+        m_pFrame->deregisterDragSource(this);
+
+    if (GtkInstDragSource::g_ActiveDragSource == this)
+    {
+        SAL_WARN( "vcl.gtk", "dragEnd should have been called on GtkInstDragSource before dtor");
+        GtkInstDragSource::g_ActiveDragSource = nullptr;
+    }
+}
+
+void GtkInstDragSource::deinitialize()
+{
+    m_pFrame = nullptr;
+}
+
+sal_Bool GtkInstDragSource::isDragImageSupported()
+{
+    return true;
+}
+
+sal_Int32 GtkInstDragSource::getDefaultCursor( sal_Int8 )
+{
+    return 0;
+}
+
+void GtkInstDragSource::initialize(const css::uno::Sequence<css::uno::Any >& rArguments)
+{
+    if (rArguments.getLength() < 2)
+    {
+        throw RuntimeException("DragSource::initialize: Cannot install window event handler",
+                               getXWeak());
+    }
+
+    sal_IntPtr nFrame = 0;
+    rArguments.getConstArray()[1] >>= nFrame;
+
+    if (!nFrame)
+    {
+        throw RuntimeException("DragSource::initialize: missing SalFrame",
+                               getXWeak());
+    }
+
+    m_pFrame = reinterpret_cast<GtkSalFrame*>(nFrame);
+    m_pFrame->registerDragSource(this);
+}
+
+OUString SAL_CALL GtkInstDragSource::getImplementationName()
+{
+    return "com.sun.star.datatransfer.dnd.VclGtkDragSource";
+}
+
+sal_Bool SAL_CALL GtkInstDragSource::supportsService(OUString const & ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+css::uno::Sequence<OUString> SAL_CALL GtkInstDragSource::getSupportedServiceNames()
+{
+    Sequence<OUString> aRet { "com.sun.star.datatransfer.dnd.GtkDragSource" };
+    return aRet;
+}
+
+Reference<XInterface> GtkInstance::ImplCreateDragSource(const SystemEnvData* pSysEnv)
+{
+    return vcl::X11DnDHelper(new GtkInstDragSource(), pSysEnv->aShellWindow);
+}
+
+namespace {
+
+class GtkOpenGLContext : public OpenGLContext
+{
+    GLWindow m_aGLWin;
+    GtkWidget *m_pGLArea;
+    GdkGLContext *m_pContext;
+    gulong m_nDestroySignalId;
+    gulong m_nRenderSignalId;
+    guint m_nAreaFrameBuffer;
+    guint m_nFrameBuffer;
+    guint m_nRenderBuffer;
+    guint m_nDepthBuffer;
+    guint m_nFrameScratchBuffer;
+    guint m_nRenderScratchBuffer;
+    guint m_nDepthScratchBuffer;
+
+public:
+    GtkOpenGLContext()
+        : m_pGLArea(nullptr)
+        , m_pContext(nullptr)
+        , m_nDestroySignalId(0)
+        , m_nRenderSignalId(0)
+        , m_nAreaFrameBuffer(0)
+        , m_nFrameBuffer(0)
+        , m_nRenderBuffer(0)
+        , m_nDepthBuffer(0)
+        , m_nFrameScratchBuffer(0)
+        , m_nRenderScratchBuffer(0)
+        , m_nDepthScratchBuffer(0)
+    {
+    }
+
+    virtual void initWindow() override
+    {
+        if( !m_pChildWindow )
+        {
+            SystemWindowData winData = generateWinData(mpWindow, mbRequestLegacyContext);
+            m_pChildWindow = VclPtr<SystemChildWindow>::Create(mpWindow, 0, &winData, false);
+        }
+
+        if (m_pChildWindow)
+        {
+            InitChildWindow(m_pChildWindow.get());
+        }
+    }
+
+private:
+    virtual const GLWindow& getOpenGLWindow() const override { return m_aGLWin; }
+    virtual GLWindow& getModifiableOpenGLWindow() override { return m_aGLWin; }
+
+    static void signalDestroy(GtkWidget*, gpointer context)
+    {
+        GtkOpenGLContext* pThis = static_cast<GtkOpenGLContext*>(context);
+        pThis->m_pGLArea = nullptr;
+        pThis->m_nDestroySignalId = 0;
+        pThis->m_nRenderSignalId = 0;
+    }
+
+    static gboolean signalRender(GtkGLArea*, GdkGLContext*, gpointer window)
+    {
+        GtkOpenGLContext* pThis = static_cast<GtkOpenGLContext*>(window);
+
+        int scale = gtk_widget_get_scale_factor(pThis->m_pGLArea);
+        int width = pThis->m_aGLWin.Width * scale;
+        int height = pThis->m_aGLWin.Height * scale;
+
+        glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, pThis->m_nAreaFrameBuffer);
+        glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+        glBlitFramebuffer(0, 0, width, height, 0, 0, width, height,
+                          GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+
+        gdk_gl_context_make_current(pThis->m_pContext);
+        return true;
+    }
+
+    virtual void adjustToNewSize() override
+    {
+        if (!m_pGLArea)
+            return;
+
+        int scale = gtk_widget_get_scale_factor(m_pGLArea);
+        int width = m_aGLWin.Width * scale;
+        int height = m_aGLWin.Height * scale;
+
+        // seen in tdf#124729 width/height of 0 leading to GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT
+        int allocwidth = std::max(width, 1);
+        int allocheight = std::max(height, 1);
+
+        gtk_gl_area_make_current(GTK_GL_AREA(m_pGLArea));
+        if (GError *pError = gtk_gl_area_get_error(GTK_GL_AREA(m_pGLArea)))
+        {
+            SAL_WARN("vcl.gtk", "gtk gl area error: " << pError->message);
+            return;
+        }
+
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nRenderBuffer);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_RGB8, allocwidth, allocheight);
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nDepthBuffer);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, allocwidth, allocheight);
+        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_nAreaFrameBuffer);
+
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nRenderBuffer);
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nDepthBuffer);
+
+        gdk_gl_context_make_current(m_pContext);
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nRenderBuffer);
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nDepthBuffer);
+        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_nFrameBuffer);
+
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nRenderBuffer);
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nDepthBuffer);
+        glViewport(0, 0, width, height);
+
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nRenderScratchBuffer);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_RGB8, allocwidth, allocheight);
+        glBindRenderbuffer(GL_RENDERBUFFER, m_nDepthScratchBuffer);
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, allocwidth, allocheight);
+        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_nFrameScratchBuffer);
+
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nRenderScratchBuffer);
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nDepthScratchBuffer);
+
+        glViewport(0, 0, width, height);
+    }
+
+    // Use a throw away toplevel to determine the OpenGL version because once
+    // an GdkGLContext is created for a window then it seems that
+    // glGenVertexArrays will always be called when the window gets rendered.
+    static int GetOpenGLVersion()
+    {
+        int nMajorGLVersion(0);
+
+        GtkWidget* pWindow;
+#if !GTK_CHECK_VERSION(4,0,0)
+        pWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+#else
+        pWindow = gtk_window_new();
+#endif
+
+        gtk_widget_realize(pWindow);
+
+        if (GdkSurface* pSurface = widget_get_surface(pWindow))
+        {
+            if (GdkGLContext* pContext = surface_create_gl_context(pSurface))
+            {
+                if (gdk_gl_context_realize(pContext, nullptr))
+                {
+                    OpenGLZone aZone;
+                    gdk_gl_context_make_current(pContext);
+                    gdk_gl_context_get_version(pContext, &nMajorGLVersion, nullptr);
+                    gdk_gl_context_clear_current();
+                }
+                g_object_unref(pContext);
+            }
+        }
+
+#if !GTK_CHECK_VERSION(4,0,0)
+        gtk_widget_destroy(pWindow);
+#else
+        gtk_window_destroy(GTK_WINDOW(pWindow));
+#endif
+        return nMajorGLVersion;
+    }
+
+    virtual bool ImplInit() override
+    {
+        static int nOpenGLVersion = GetOpenGLVersion();
+        if (nOpenGLVersion < 3)
+        {
+            SAL_WARN("vcl.gtk", "gtk GL requires glGenVertexArrays which is OpenGL 3, while system provides: " << nOpenGLVersion);
+            return false;
+        }
+
+        const SystemEnvData* pEnvData = m_pChildWindow->GetSystemData();
+        GtkWidget *pParent = static_cast<GtkWidget*>(pEnvData->pWidget);
+        m_pGLArea = gtk_gl_area_new();
+        m_nDestroySignalId = g_signal_connect(G_OBJECT(m_pGLArea), "destroy", G_CALLBACK(signalDestroy), this);
+        m_nRenderSignalId = g_signal_connect(G_OBJECT(m_pGLArea), "render", G_CALLBACK(signalRender), this);
+        gtk_gl_area_set_has_depth_buffer(GTK_GL_AREA(m_pGLArea), true);
+        gtk_gl_area_set_auto_render(GTK_GL_AREA(m_pGLArea), false);
+        gtk_widget_set_hexpand(m_pGLArea, true);
+        gtk_widget_set_vexpand(m_pGLArea, true);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_add(GTK_CONTAINER(pParent), m_pGLArea);
+        gtk_widget_show_all(pParent);
+#else
+        gtk_grid_attach(GTK_GRID(pParent), m_pGLArea, 0, 0, 1, 1);
+        gtk_widget_show(pParent);
+        gtk_widget_show(m_pGLArea);
+#endif
+
+        gtk_gl_area_make_current(GTK_GL_AREA(m_pGLArea));
+        if (GError *pError = gtk_gl_area_get_error(GTK_GL_AREA(m_pGLArea)))
+        {
+            SAL_WARN("vcl.gtk", "gtk gl area error: " << pError->message);
+            return false;
+        }
+
+        gtk_gl_area_attach_buffers(GTK_GL_AREA(m_pGLArea));
+        glGenFramebuffersEXT(1, &m_nAreaFrameBuffer);
+
+        GdkSurface* pWindow = widget_get_surface(pParent);
+        m_pContext = surface_create_gl_context(pWindow);
+        if (!m_pContext)
+            return false;
+
+        if (!gdk_gl_context_realize(m_pContext, nullptr))
+            return false;
+
+        gdk_gl_context_make_current(m_pContext);
+        glGenFramebuffersEXT(1, &m_nFrameBuffer);
+        glGenRenderbuffersEXT(1, &m_nRenderBuffer);
+        glGenRenderbuffersEXT(1, &m_nDepthBuffer);
+        glGenFramebuffersEXT(1, &m_nFrameScratchBuffer);
+        glGenRenderbuffersEXT(1, &m_nRenderScratchBuffer);
+        glGenRenderbuffersEXT(1, &m_nDepthScratchBuffer);
+
+        bool bRet = InitGL();
+        InitGLDebugging();
+        return bRet;
+    }
+
+    virtual void restoreDefaultFramebuffer() override
+    {
+        OpenGLContext::restoreDefaultFramebuffer();
+        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_nFrameScratchBuffer);
+        glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                     GL_RENDERBUFFER_EXT, m_nRenderScratchBuffer);
+    }
+
+    virtual void makeCurrent() override
+    {
+        if (isCurrent())
+            return;
+
+        clearCurrent();
+
+        if (m_pGLArea)
+        {
+            int scale = gtk_widget_get_scale_factor(m_pGLArea);
+            int width = m_aGLWin.Width * scale;
+            int height = m_aGLWin.Height * scale;
+
+            gdk_gl_context_make_current(m_pContext);
+
+            glBindRenderbuffer(GL_RENDERBUFFER, m_nRenderScratchBuffer);
+            glBindRenderbuffer(GL_RENDERBUFFER, m_nDepthScratchBuffer);
+            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_nFrameScratchBuffer);
+            glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                         GL_RENDERBUFFER_EXT, m_nRenderScratchBuffer);
+            glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                         GL_RENDERBUFFER_EXT, m_nDepthScratchBuffer);
+            glViewport(0, 0, width, height);
+        }
+
+        registerAsCurrent();
+    }
+
+    virtual void destroyCurrentContext() override
+    {
+        gdk_gl_context_clear_current();
+    }
+
+    virtual bool isCurrent() override
+    {
+        return m_pGLArea && gdk_gl_context_get_current() == m_pContext;
+    }
+
+    virtual void sync() override
+    {
+    }
+
+    virtual void resetCurrent() override
+    {
+        clearCurrent();
+        gdk_gl_context_clear_current();
+    }
+
+    virtual void swapBuffers() override
+    {
+        int scale = gtk_widget_get_scale_factor(m_pGLArea);
+        int width = m_aGLWin.Width * scale;
+        int height = m_aGLWin.Height * scale;
+
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_nFrameBuffer);
+        glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, m_nFrameScratchBuffer);
+        glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+        glBlitFramebuffer(0, 0, width, height, 0, 0, width, height,
+                          GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
+
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_nFrameScratchBuffer);
+        glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+        gtk_gl_area_queue_render(GTK_GL_AREA(m_pGLArea));
+        BuffersSwapped();
+    }
+
+    virtual ~GtkOpenGLContext() override
+    {
+        if (m_nDestroySignalId)
+            g_signal_handler_disconnect(m_pGLArea, m_nDestroySignalId);
+        if (m_nRenderSignalId)
+            g_signal_handler_disconnect(m_pGLArea, m_nRenderSignalId);
+        if (m_pContext)
+            g_clear_object(&m_pContext);
+    }
+};
+
+}
+
+OpenGLContext* GtkInstance::CreateOpenGLContext()
+{
+    return new GtkOpenGLContext;
+}
+
+// tdf#123800 avoid requiring wayland at runtime just because it existed at buildtime
+bool DLSYM_GDK_IS_WAYLAND_DISPLAY(GdkDisplay* pDisplay)
+{
+    static auto get_type = reinterpret_cast<GType (*) (void)>(dlsym(nullptr, "gdk_wayland_display_get_type"));
+    if (!get_type)
+        return false;
+    static bool bResult = G_TYPE_CHECK_INSTANCE_TYPE(pDisplay, get_type());
+    return bResult;
+}
+
+bool DLSYM_GDK_IS_X11_DISPLAY(GdkDisplay* pDisplay)
+{
+    static auto get_type = reinterpret_cast<GType (*) (void)>(dlsym(nullptr, "gdk_x11_display_get_type"));
+    if (!get_type)
+        return false;
+    static bool bResult = G_TYPE_CHECK_INSTANCE_TYPE(pDisplay, get_type());
+    return bResult;
+}
+
+namespace
+{
+
+class GtkInstanceBuilder;
+
+    void set_help_id(const GtkWidget *pWidget, std::u16string_view rHelpId)
+    {
+        gchar *helpid = g_strdup(OUStringToOString(rHelpId, RTL_TEXTENCODING_UTF8).getStr());
+        g_object_set_data_full(G_OBJECT(pWidget), "g-lo-helpid", helpid, g_free);
+    }
+
+    OUString get_help_id(const GtkWidget *pWidget)
+    {
+        void* pData = g_object_get_data(G_OBJECT(pWidget), "g-lo-helpid");
+        const gchar* pStr = static_cast<const gchar*>(pData);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    KeyEvent CreateKeyEvent(guint keyval, guint16 hardware_keycode, guint state, guint8 group)
+    {
+        sal_uInt16 nKeyCode = GtkSalFrame::GetKeyCode(keyval);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (nKeyCode == 0)
+        {
+            guint updated_keyval = GtkSalFrame::GetKeyValFor(gdk_keymap_get_default(), hardware_keycode, group);
+            nKeyCode = GtkSalFrame::GetKeyCode(updated_keyval);
+        }
+#else
+        (void)hardware_keycode;
+        (void)group;
+#endif
+        nKeyCode |= GtkSalFrame::GetKeyModCode(state);
+        return KeyEvent(gdk_keyval_to_unicode(keyval), nKeyCode, 0);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    KeyEvent GtkToVcl(const GdkEventKey& rEvent)
+    {
+        return CreateKeyEvent(rEvent.keyval, rEvent.hardware_keycode, rEvent.state, rEvent.group);
+    }
+#endif
+}
+
+static MouseEventModifiers ImplGetMouseButtonMode(sal_uInt16 nButton, sal_uInt16 nCode)
+{
+    MouseEventModifiers nMode = MouseEventModifiers::NONE;
+    if ( nButton == MOUSE_LEFT )
+        nMode |= MouseEventModifiers::SIMPLECLICK;
+    if ( (nButton == MOUSE_LEFT) && !(nCode & (MOUSE_MIDDLE | MOUSE_RIGHT)) )
+        nMode |= MouseEventModifiers::SELECT;
+    if ( (nButton == MOUSE_LEFT) && (nCode & KEY_MOD1) &&
+         !(nCode & (MOUSE_MIDDLE | MOUSE_RIGHT | KEY_SHIFT)) )
+        nMode |= MouseEventModifiers::MULTISELECT;
+    if ( (nButton == MOUSE_LEFT) && (nCode & KEY_SHIFT) &&
+         !(nCode & (MOUSE_MIDDLE | MOUSE_RIGHT | KEY_MOD1)) )
+        nMode |= MouseEventModifiers::RANGESELECT;
+    return nMode;
+}
+
+static MouseEventModifiers ImplGetMouseMoveMode(sal_uInt16 nCode)
+{
+    MouseEventModifiers nMode = MouseEventModifiers::NONE;
+    if ( !nCode )
+        nMode |= MouseEventModifiers::SIMPLEMOVE;
+    if ( (nCode & MOUSE_LEFT) && !(nCode & KEY_MOD1) )
+        nMode |= MouseEventModifiers::DRAGMOVE;
+    if ( (nCode & MOUSE_LEFT) && (nCode & KEY_MOD1) )
+        nMode |= MouseEventModifiers::DRAGCOPY;
+    return nMode;
+}
+
+namespace
+{
+    bool SwapForRTL(GtkWidget* pWidget)
+    {
+        GtkTextDirection eDir = gtk_widget_get_direction(pWidget);
+        if (eDir == GTK_TEXT_DIR_RTL)
+            return true;
+        if (eDir == GTK_TEXT_DIR_LTR)
+            return false;
+        return AllSettings::GetLayoutRTL();
+    }
+
+    GtkWidget* getPopupRect(GtkWidget* pWidget, const tools::Rectangle& rInRect, GdkRectangle& rOutRect)
+    {
+        if (GtkSalFrame* pFrame = GtkSalFrame::getFromWindow(pWidget))
+        {
+            // this is the relatively unusual case where pParent is the toplevel GtkSalFrame and not a stock GtkWidget
+            // so use the same style of logic as GtkSalMenu::ShowNativePopupMenu to get the right position
+            AbsoluteScreenPixelRectangle aFloatRect = FloatingWindow::ImplConvertToAbsPos(pFrame->GetWindow(), rInRect);
+            aFloatRect.Move(-pFrame->maGeometry.x(), -pFrame->maGeometry.y());
+
+            rOutRect = GdkRectangle{static_cast<int>(aFloatRect.Left()), static_cast<int>(aFloatRect.Top()),
+                                    static_cast<int>(aFloatRect.GetWidth()), static_cast<int>(aFloatRect.GetHeight())};
+
+            pWidget = pFrame->getMouseEventWidget();
+        }
+        else
+        {
+            rOutRect = GdkRectangle{static_cast<int>(rInRect.Left()), static_cast<int>(rInRect.Top()),
+                                 static_cast<int>(rInRect.GetWidth()), static_cast<int>(rInRect.GetHeight())};
+            if (SwapForRTL(pWidget))
+                rOutRect.x = gtk_widget_get_allocated_width(pWidget) - rOutRect.width - 1 - rOutRect.x;
+        }
+        return pWidget;
+    }
+
+    void replaceWidget(GtkWidget* pWidget, GtkWidget* pReplacement)
+    {
+        // remove the widget and replace it with pReplacement
+        GtkWidget* pParent = gtk_widget_get_parent(pWidget);
+
+        // if pWidget was un-parented then don't bother
+        if (!pParent)
+            return;
+
+        g_object_ref(pWidget);
+
+        gint nTopAttach(0), nLeftAttach(0), nHeight(1), nWidth(1);
+        if (GTK_IS_GRID(pParent))
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_container_child_get(GTK_CONTAINER(pParent), pWidget,
+                    "left-attach", &nLeftAttach,
+                    "top-attach", &nTopAttach,
+                    "width", &nWidth,
+                    "height", &nHeight,
+                    nullptr);
+#else
+            gtk_grid_query_child(GTK_GRID(pParent), pWidget,
+                                 &nLeftAttach, &nTopAttach,
+                                 &nWidth, &nHeight);
+#endif
+        }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gboolean bExpand(false), bFill(false);
+        GtkPackType ePackType(GTK_PACK_START);
+        guint nPadding(0);
+        gint nPosition(0);
+        if (GTK_IS_BOX(pParent))
+        {
+            gtk_container_child_get(GTK_CONTAINER(pParent), pWidget,
+                    "expand", &bExpand,
+                    "fill", &bFill,
+                    "pack-type", &ePackType,
+                    "padding", &nPadding,
+                    "position", &nPosition,
+                    nullptr);
+        }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // for gtk3 remove before replacement inserted, or there are warnings
+        // from GTK_BIN about having two children
+        container_remove(pParent, pWidget);
+#endif
+
+        gtk_widget_set_visible(pReplacement, gtk_widget_get_visible(pWidget));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_no_show_all(pReplacement, gtk_widget_get_no_show_all(pWidget));
+#endif
+
+        int nReqWidth, nReqHeight;
+        gtk_widget_get_size_request(pWidget, &nReqWidth, &nReqHeight);
+        gtk_widget_set_size_request(pReplacement, nReqWidth, nReqHeight);
+
+        static GQuark quark_size_groups = g_quark_from_static_string("gtk-widget-size-groups");
+        GSList* pSizeGroups = static_cast<GSList*>(g_object_get_qdata(G_OBJECT(pWidget), quark_size_groups));
+        while (pSizeGroups)
+        {
+            GtkSizeGroup *pSizeGroup = static_cast<GtkSizeGroup*>(pSizeGroups->data);
+            pSizeGroups = pSizeGroups->next;
+            gtk_size_group_remove_widget(pSizeGroup, pWidget);
+            gtk_size_group_add_widget(pSizeGroup, pReplacement);
+        }
+
+        // tdf#135368 change the mnemonic to point to our replacement
+        GList* pLabels = gtk_widget_list_mnemonic_labels(pWidget);
+        for (GList* pLabel = g_list_first(pLabels); pLabel; pLabel = g_list_next(pLabel))
+        {
+            GtkWidget* pLabelWidget = static_cast<GtkWidget*>(pLabel->data);
+            if (!GTK_IS_LABEL(pLabelWidget))
+                continue;
+            gtk_label_set_mnemonic_widget(GTK_LABEL(pLabelWidget), pReplacement);
+        }
+        g_list_free(pLabels);
+
+
+        if (GTK_IS_GRID(pParent))
+        {
+            gtk_grid_attach(GTK_GRID(pParent), pReplacement, nLeftAttach, nTopAttach, nWidth, nHeight);
+        }
+        else if (GTK_IS_BOX(pParent))
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_box_pack_start(GTK_BOX(pParent), pReplacement, bExpand, bFill, nPadding);
+            gtk_container_child_set(GTK_CONTAINER(pParent), pReplacement,
+                    "pack-type", ePackType,
+                    "position", nPosition,
+                    nullptr);
+#else
+            gtk_box_insert_child_after(GTK_BOX(pParent), pReplacement, pWidget);
+#endif
+        }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        else
+            gtk_container_add(GTK_CONTAINER(pParent), pReplacement);
+#endif
+
+        if (gtk_widget_get_hexpand_set(pWidget))
+            gtk_widget_set_hexpand(pReplacement, gtk_widget_get_hexpand(pWidget));
+
+        if (gtk_widget_get_vexpand_set(pWidget))
+            gtk_widget_set_vexpand(pReplacement, gtk_widget_get_vexpand(pWidget));
+
+        gtk_widget_set_halign(pReplacement, gtk_widget_get_halign(pWidget));
+        gtk_widget_set_valign(pReplacement, gtk_widget_get_valign(pWidget));
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        // for gtk4 remove after replacement inserted so we could use gtk_box_insert_child_after
+        container_remove(pParent, pWidget);
+#endif
+
+        // coverity[freed_arg : FALSE] - this does not free pWidget, it is reffed by pReplacement
+        g_object_unref(pWidget);
+    }
+
+    void insertAsParent(GtkWidget* pWidget, GtkWidget* pReplacement)
+    {
+        g_object_ref(pWidget);
+
+        replaceWidget(pWidget, pReplacement);
+
+        // coverity[pass_freed_arg : FALSE] - pWidget is not freed here due to initial g_object_ref
+        container_add(pReplacement, pWidget);
+
+        // coverity[freed_arg : FALSE] - this does not free pWidget, it is reffed by pReplacement
+        g_object_unref(pWidget);
+    }
+
+    GtkWidget* ensureEventWidget(GtkWidget* pWidget)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return pWidget;
+#else
+
+        if (!pWidget)
+            return nullptr;
+
+        GtkWidget* pMouseEventBox;
+        // not every widget has a GdkWindow and can get any event, so if we
+        // want an event it doesn't have, insert a GtkEventBox so we can get
+        // those
+        if (gtk_widget_get_has_window(pWidget))
+            pMouseEventBox = pWidget;
+        else
+        {
+            // remove the widget and replace it with an eventbox and put the old
+            // widget into it
+            pMouseEventBox = gtk_event_box_new();
+            gtk_event_box_set_above_child(GTK_EVENT_BOX(pMouseEventBox), false);
+            gtk_event_box_set_visible_window(GTK_EVENT_BOX(pMouseEventBox), false);
+            insertAsParent(pWidget, pMouseEventBox);
+        }
+
+        return pMouseEventBox;
+#endif
+    }
+}
+
+namespace {
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+GdkDragAction VclToGdk(sal_Int8 dragOperation)
+{
+    GdkDragAction eRet(static_cast<GdkDragAction>(0));
+    if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_COPY)
+        eRet = static_cast<GdkDragAction>(eRet | GDK_ACTION_COPY);
+    if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_MOVE)
+        eRet = static_cast<GdkDragAction>(eRet | GDK_ACTION_MOVE);
+    if (dragOperation & css::datatransfer::dnd::DNDConstants::ACTION_LINK)
+        eRet = static_cast<GdkDragAction>(eRet | GDK_ACTION_LINK);
+    return eRet;
+}
+#endif
+
+GtkWindow* get_active_window()
+{
+    GtkWindow* pFocus = nullptr;
+
+    GList* pList = gtk_window_list_toplevels();
+
+    for (GList* pEntry = pList; pEntry; pEntry = pEntry->next)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (gtk_window_is_active(GTK_WINDOW(pEntry->data)))
+#else
+        if (gtk_window_has_toplevel_focus(GTK_WINDOW(pEntry->data)))
+#endif
+        {
+            pFocus = GTK_WINDOW(pEntry->data);
+            break;
+        }
+    }
+
+    g_list_free(pList);
+
+    return pFocus;
+}
+
+void LocalizeDecimalSeparator(guint& keyval)
+{
+    const bool bDecimalKey = keyval == GDK_KEY_KP_Decimal || keyval == GDK_KEY_KP_Separator;
+    // #i1820# (and tdf#154623) use locale specific decimal separator
+    if (bDecimalKey && Application::GetSettings().GetMiscSettings().GetEnableLocalizedDecimalSep())
+    {
+        GtkWindow* pFocusWin = get_active_window();
+        GtkWidget* pFocus = pFocusWin ? gtk_window_get_focus(pFocusWin) : nullptr;
+        // tdf#138932 except if the target is a GtkEntry used for passwords
+        // GTK4: TODO is it a GtkEntry or a child GtkText that has the focus in this situation?
+        if (!pFocus || !GTK_IS_ENTRY(pFocus) || gtk_entry_get_visibility(GTK_ENTRY(pFocus)))
+        {
+            OUString aSep(Application::GetSettings().GetLocaleDataWrapper().getNumDecimalSep());
+            keyval = aSep[0];
+        }
+    }
+}
+
+void set_cursor(GtkWidget* pWidget, const char *pName)
+{
+    if (!gtk_widget_get_realized(pWidget))
+        gtk_widget_realize(pWidget);
+    GdkDisplay *pDisplay = gtk_widget_get_display(pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GdkCursor *pCursor = pName ? gdk_cursor_new_from_name(pName, nullptr) : nullptr;
+#else
+    GdkCursor *pCursor = pName ? gdk_cursor_new_from_name(pDisplay, pName) : nullptr;
+#endif
+    widget_set_cursor(pWidget, pCursor);
+    gdk_display_flush(pDisplay);
+    if (pCursor)
+        g_object_unref(pCursor);
+}
+
+vcl::Font get_font(GtkWidget* pWidget)
+{
+    PangoContext* pContext = gtk_widget_get_pango_context(pWidget);
+    return pango_to_vcl(pango_context_get_font_description(pContext),
+                        Application::GetSettings().GetUILanguageTag().getLocale());
+}
+
+}
+
+OUString get_buildable_id(GtkBuildable* pWidget)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    const gchar* pStr = gtk_buildable_get_buildable_id(pWidget);
+#else
+    const gchar* pStr = gtk_buildable_get_name(pWidget);
+#endif
+    return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+}
+
+void set_buildable_id(GtkBuildable* pWidget, const OUString& rId)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkBuildableIface *iface = GTK_BUILDABLE_GET_IFACE(pWidget);
+    (*iface->set_id)(pWidget, OUStringToOString(rId, RTL_TEXTENCODING_UTF8).getStr());
+#else
+    gtk_buildable_set_name(pWidget, OUStringToOString(rId, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+}
+
+namespace {
+
+class GtkInstanceWidget : public virtual weld::Widget
+{
+protected:
+    GtkWidget* m_pWidget;
+    GtkWidget* m_pMouseEventBox;
+    GtkInstanceBuilder* m_pBuilder;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    DECL_LINK(async_drag_cancel, void*, void);
+#endif
+
+    bool IsFirstFreeze() const { return m_nFreezeCount == 0; }
+    bool IsLastThaw() const { return m_nFreezeCount == 1; }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalFocusIn(GtkEventControllerFocus*, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_focus_in();
+    }
+#else
+    static gboolean signalFocusIn(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_focus_in();
+        return false;
+    }
+#endif
+
+    void signal_focus_in()
+    {
+        GtkWidget* pTopLevel = widget_get_toplevel(m_pWidget);
+        // see commentary in GtkSalObjectWidgetClip::Show
+        if (pTopLevel && g_object_get_data(G_OBJECT(pTopLevel), "g-lo-BlockFocusChange"))
+            return;
+
+        m_aFocusInHdl.Call(*this);
+    }
+
+    static gboolean signalMnemonicActivate(GtkWidget*, gboolean, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_mnemonic_activate();
+    }
+
+    bool signal_mnemonic_activate()
+    {
+        return m_aMnemonicActivateHdl.Call(*this);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalFocusOut(GtkEventControllerFocus*, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_focus_in();
+    }
+#else
+    static gboolean signalFocusOut(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_focus_out();
+        return false;
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void launch_drag_cancel(GdkDragContext* context)
+    {
+        // post our drag cancel to happen at the next available event cycle
+        if (m_pDragCancelEvent)
+            return;
+        g_object_ref(context);
+        m_pDragCancelEvent = Application::PostUserEvent(LINK(this, GtkInstanceWidget, async_drag_cancel), context);
+    }
+#endif
+
+    void signal_focus_out()
+    {
+        GtkWidget* pTopLevel = widget_get_toplevel(m_pWidget);
+        // see commentary in GtkSalObjectWidgetClip::Show
+        if (pTopLevel && g_object_get_data(G_OBJECT(pTopLevel), "g-lo-BlockFocusChange"))
+            return;
+
+        m_aFocusOutHdl.Call(*this);
+    }
+
+    virtual void ensureMouseEventWidget()
+    {
+        if (!m_pMouseEventBox)
+            m_pMouseEventBox = ::ensureEventWidget(m_pWidget);
+    }
+
+    void ensureButtonPressSignal()
+    {
+        if (!m_nButtonPressSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            GtkEventController* pClickController = get_click_controller();
+            m_nButtonPressSignalId = g_signal_connect(pClickController, "pressed", G_CALLBACK(signalButtonPress), this);
+#else
+            ensureMouseEventWidget();
+            m_nButtonPressSignalId = g_signal_connect(m_pMouseEventBox, "button-press-event", G_CALLBACK(signalButtonPress), this);
+#endif
+        }
+    }
+
+    void ensureButtonReleaseSignal()
+    {
+        if (!m_nButtonReleaseSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            GtkEventController* pClickController = get_click_controller();
+            m_nButtonReleaseSignalId = g_signal_connect(pClickController, "released", G_CALLBACK(signalButtonRelease), this);
+#else
+            ensureMouseEventWidget();
+            m_nButtonReleaseSignalId = g_signal_connect(m_pMouseEventBox, "button-release-event", G_CALLBACK(signalButtonRelease), this);
+#endif
+        }
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalPopupMenu(GtkWidget* pWidget, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        //center it when we don't know where else to use
+        Point aPos(gtk_widget_get_allocated_width(pWidget) / 2,
+                   gtk_widget_get_allocated_height(pWidget) / 2);
+        CommandEvent aCEvt(aPos, CommandEventId::ContextMenu, false);
+        return pThis->signal_popup_menu(aCEvt);
+    }
+#endif
+
+    virtual void connect_style_updated(const Link<Widget&, void>& rLink) override
+    {
+        if (m_aStyleUpdatedHdl.IsSet())
+            ImplGetDefaultWindow()->RemoveEventListener(LINK(this, GtkInstanceWidget, SettingsChangedHdl));
+        weld::Widget::connect_style_updated(rLink);
+        if (m_aStyleUpdatedHdl.IsSet())
+            ImplGetDefaultWindow()->AddEventListener(LINK(this, GtkInstanceWidget, SettingsChangedHdl));
+    }
+
+    bool SwapForRTL() const
+    {
+        return ::SwapForRTL(m_pWidget);
+    }
+
+    void do_enable_drag_source(const rtl::Reference<TransferDataContainer>& rHelper, sal_uInt8 eDNDConstants)
+    {
+        ensure_drag_source();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        auto aFormats = rHelper->getTransferDataFlavors();
+        std::vector<GtkTargetEntry> aGtkTargets(m_xDragSource->FormatsToGtk(aFormats));
+
+        m_eDragAction = VclToGdk(eDNDConstants);
+        drag_source_set(aGtkTargets, m_eDragAction);
+
+        for (auto &a : aGtkTargets)
+            g_free(a.target);
+
+        m_xDragSource->set_datatransfer(rHelper, rHelper);
+#else
+        (void)rHelper;
+        (void)eDNDConstants;
+#endif
+    }
+
+    void localizeDecimalSeparator()
+    {
+        // tdf#128867 if localize decimal separator is active we will always
+        // need to be able to change the output of the decimal key press
+        if (!m_nKeyPressSignalId && Application::GetSettings().GetMiscSettings().GetEnableLocalizedDecimalSep())
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nKeyPressSignalId = g_signal_connect(get_key_controller(), "key-pressed", G_CALLBACK(signalKeyPressed), this);
+#else
+            m_nKeyPressSignalId = g_signal_connect(m_pWidget, "key-press-event", G_CALLBACK(signalKey), this);
+#endif
+        }
+    }
+
+    void ensure_drag_begin_end()
+    {
+        if (!m_nDragBeginSignalId)
+        {
+            // using "after" due to https://gitlab.gnome.org/GNOME/pygobject/issues/251
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nDragBeginSignalId = g_signal_connect_after(get_drag_controller(), "drag-begin", G_CALLBACK(signalDragBegin), this);
+#else
+            m_nDragBeginSignalId = g_signal_connect_after(m_pWidget, "drag-begin", G_CALLBACK(signalDragBegin), this);
+#endif
+        }
+        if (!m_nDragEndSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nDragEndSignalId = g_signal_connect(get_drag_controller(), "drag-end", G_CALLBACK(signalDragEnd), this);
+#else
+            m_nDragEndSignalId = g_signal_connect(m_pWidget, "drag-end", G_CALLBACK(signalDragEnd), this);
+#endif
+        }
+    }
+
+    void DisconnectMouseEvents()
+    {
+        if (m_nButtonPressSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_click_controller(), m_nButtonPressSignalId);
+#else
+            g_signal_handler_disconnect(m_pMouseEventBox, m_nButtonPressSignalId);
+#endif
+            m_nButtonPressSignalId = 0;
+        }
+        if (m_nMotionSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_motion_controller(), m_nMotionSignalId);
+#else
+            g_signal_handler_disconnect(m_pMouseEventBox, m_nMotionSignalId);
+#endif
+            m_nMotionSignalId = 0;
+        }
+        if (m_nLeaveSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_motion_controller(), m_nLeaveSignalId);
+#else
+            g_signal_handler_disconnect(m_pMouseEventBox, m_nLeaveSignalId);
+#endif
+            m_nLeaveSignalId = 0;
+        }
+        if (m_nEnterSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_motion_controller(), m_nEnterSignalId);
+#else
+            g_signal_handler_disconnect(m_pMouseEventBox, m_nEnterSignalId);
+#endif
+            m_nEnterSignalId = 0;
+        }
+        if (m_nButtonReleaseSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_click_controller(), m_nButtonReleaseSignalId);
+#else
+            g_signal_handler_disconnect(m_pMouseEventBox, m_nButtonReleaseSignalId);
+#endif
+            m_nButtonReleaseSignalId = 0;
+        }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!m_pMouseEventBox || m_pMouseEventBox == m_pWidget)
+            return;
+
+        // GtkWindow replacement for GtkPopover case
+        if (!GTK_IS_EVENT_BOX(m_pMouseEventBox))
+        {
+            m_pMouseEventBox = nullptr;
+            return;
+        }
+
+        // put things back they way we found them
+        GtkWidget* pParent = gtk_widget_get_parent(m_pMouseEventBox);
+
+        g_object_ref(m_pWidget);
+        gtk_container_remove(GTK_CONTAINER(m_pMouseEventBox), m_pWidget);
+
+        gtk_widget_destroy(m_pMouseEventBox);
+
+        gtk_container_add(GTK_CONTAINER(pParent), m_pWidget);
+        // coverity[freed_arg : FALSE] - this does not free m_pWidget, it is reffed by pParent
+        g_object_unref(m_pWidget);
+
+        m_pMouseEventBox = m_pWidget;
+#endif
+    }
+
+private:
+    bool m_bTakeOwnership;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool m_bDraggedOver;
+#endif
+    int m_nWaitCount;
+    int m_nFreezeCount;
+    sal_uInt16 m_nLastMouseButton;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    sal_uInt16 m_nLastMouseClicks;
+#endif
+    int m_nPressedButton;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+protected:
+    int m_nPressStartX;
+    int m_nPressStartY;
+private:
+#endif
+    ImplSVEvent* m_pDragCancelEvent;
+    GtkCssProvider* m_pBgCssProvider;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GdkDragAction m_eDragAction;
+#endif
+    gulong m_nFocusInSignalId;
+    gulong m_nMnemonicActivateSignalId;
+    gulong m_nFocusOutSignalId;
+    gulong m_nKeyPressSignalId;
+    gulong m_nKeyReleaseSignalId;
+protected:
+    gulong m_nSizeAllocateSignalId;
+private:
+    gulong m_nButtonPressSignalId;
+    gulong m_nMotionSignalId;
+    gulong m_nLeaveSignalId;
+    gulong m_nEnterSignalId;
+    gulong m_nButtonReleaseSignalId;
+    gulong m_nDragMotionSignalId;
+    gulong m_nDragDropSignalId;
+    gulong m_nDragDropReceivedSignalId;
+    gulong m_nDragLeaveSignalId;
+    gulong m_nDragBeginSignalId;
+    gulong m_nDragEndSignalId;
+    gulong m_nDragFailedSignalId;
+    gulong m_nDragDataDeleteignalId;
+    gulong m_nDragGetSignalId;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    int m_nGrabCount;
+    GtkEventController* m_pFocusController;
+    GtkEventController* m_pClickController;
+    GtkEventController* m_pMotionController;
+    GtkEventController* m_pDragController;
+    GtkEventController* m_pKeyController;
+#endif
+
+    rtl::Reference<GtkInstDropTarget> m_xDropTarget;
+    rtl::Reference<GtkInstDragSource> m_xDragSource;
+
+    static void signalSizeAllocate(GtkWidget*, GdkRectangle* allocation, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_size_allocate(allocation->width, allocation->height);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalKeyPressed(GtkEventControllerKey*, guint keyval, guint keycode, GdkModifierType state, gpointer widget)
+    {
+        LocalizeDecimalSeparator(keyval);
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        return pThis->signal_key_press(keyval, keycode, state);
+    }
+
+    static gboolean signalKeyReleased(GtkEventControllerKey*, guint keyval, guint keycode, GdkModifierType state, gpointer widget)
+    {
+        LocalizeDecimalSeparator(keyval);
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        return pThis->signal_key_release(keyval, keycode, state);
+    }
+#else
+    static gboolean signalKey(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        LocalizeDecimalSeparator(pEvent->keyval);
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        if (pEvent->type == GDK_KEY_PRESS)
+            return pThis->signal_key_press(pEvent);
+        return pThis->signal_key_release(pEvent);
+    }
+#endif
+
+    virtual bool signal_popup_menu(const CommandEvent&)
+    {
+        return false;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalButtonPress(GtkGestureClick* pGesture, int n_press, gdouble x, gdouble y, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_button(pGesture, SalEvent::MouseButtonDown, n_press, x, y);
+    }
+
+    static void signalButtonRelease(GtkGestureClick* pGesture, int n_press, gdouble x, gdouble y, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_button(pGesture, SalEvent::MouseButtonUp, n_press, x, y);
+    }
+
+    void signal_button(GtkGestureClick* pGesture, SalEvent nEventType, int n_press, gdouble x, gdouble y)
+    {
+        m_nPressedButton = -1;
+
+        Point aPos(x, y);
+        if (SwapForRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
+
+        if (n_press == 1)
+        {
+            GdkEventSequence* pSequence = gtk_gesture_single_get_current_sequence(GTK_GESTURE_SINGLE(pGesture));
+            GdkEvent* pEvent = gtk_gesture_get_last_event(GTK_GESTURE(pGesture), pSequence);
+            if (gdk_event_triggers_context_menu(pEvent))
+            {
+                //if handled for context menu, stop processing
+                CommandEvent aCEvt(aPos, CommandEventId::ContextMenu, true);
+                if (signal_popup_menu(aCEvt))
+                {
+                    gtk_gesture_set_state(GTK_GESTURE(pGesture), GTK_EVENT_SEQUENCE_CLAIMED);
+                    return;
+                }
+            }
+        }
+
+        GdkModifierType eType = gtk_event_controller_get_current_event_state(GTK_EVENT_CONTROLLER(pGesture));
+        int nButton = gtk_gesture_single_get_current_button(GTK_GESTURE_SINGLE(pGesture));
+
+        switch (nButton)
+        {
+            case 1:
+                m_nLastMouseButton = MOUSE_LEFT;
+                break;
+            case 2:
+                m_nLastMouseButton = MOUSE_MIDDLE;
+                break;
+            case 3:
+                m_nLastMouseButton = MOUSE_RIGHT;
+                break;
+            default:
+                return;
+        }
+
+        sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(eType);
+        // strip out which buttons are involved from the nModCode and replace with m_nLastMouseButton
+        sal_uInt16 nCode = m_nLastMouseButton | (nModCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2));
+        MouseEvent aMEvt(aPos, n_press, ImplGetMouseButtonMode(m_nLastMouseButton, nModCode), nCode, nCode);
+
+        if (nEventType == SalEvent::MouseButtonDown && m_aMousePressHdl.Call(aMEvt))
+            gtk_gesture_set_state(GTK_GESTURE(pGesture), GTK_EVENT_SEQUENCE_CLAIMED);
+
+        if (nEventType == SalEvent::MouseButtonUp && m_aMouseReleaseHdl.Call(aMEvt))
+            gtk_gesture_set_state(GTK_GESTURE(pGesture), GTK_EVENT_SEQUENCE_CLAIMED);
+    }
+
+#else
+
+    static gboolean signalButtonPress(GtkWidget*, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_button(pEvent);
+    }
+
+    static gboolean signalButtonRelease(GtkWidget*, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_button(pEvent);
+    }
+
+    bool signal_button(GdkEventButton* pEvent)
+    {
+        m_nPressedButton = -1;
+
+        Point aPos(pEvent->x, pEvent->y);
+        if (SwapForRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
+
+        if (gdk_event_triggers_context_menu(reinterpret_cast<GdkEvent*>(pEvent)) && pEvent->type == GDK_BUTTON_PRESS)
+        {
+            //if handled for context menu, stop processing
+            CommandEvent aCEvt(aPos, CommandEventId::ContextMenu, true);
+            if (signal_popup_menu(aCEvt))
+                return true;
+        }
+
+        /* Save press to possibly begin a drag */
+        if (pEvent->type != GDK_BUTTON_RELEASE)
+        {
+            m_nPressedButton = pEvent->button;
+            m_nPressStartX = pEvent->x;
+            m_nPressStartY = pEvent->y;
+        }
+
+        if (!m_aMousePressHdl.IsSet() && !m_aMouseReleaseHdl.IsSet())
+            return false;
+
+        SalEvent nEventType = SalEvent::NONE;
+        switch (pEvent->type)
+        {
+            case GDK_BUTTON_PRESS:
+                if (GdkEvent* pPeekEvent = gdk_event_peek())
+                {
+                    bool bSkip = pPeekEvent->type == GDK_2BUTTON_PRESS ||
+                                 pPeekEvent->type == GDK_3BUTTON_PRESS;
+                    gdk_event_free(pPeekEvent);
+                    if (bSkip)
+                    {
+                        return false;
+                    }
+                }
+                nEventType = SalEvent::MouseButtonDown;
+                m_nLastMouseClicks = 1;
+                break;
+            case GDK_2BUTTON_PRESS:
+                m_nLastMouseClicks = 2;
+                nEventType = SalEvent::MouseButtonDown;
+                break;
+            case GDK_3BUTTON_PRESS:
+                m_nLastMouseClicks = 3;
+                nEventType = SalEvent::MouseButtonDown;
+                break;
+            case GDK_BUTTON_RELEASE:
+                nEventType = SalEvent::MouseButtonUp;
+                break;
+            default:
+                return false;
+        }
+
+        switch (pEvent->button)
+        {
+            case 1:
+                m_nLastMouseButton = MOUSE_LEFT;
+                break;
+            case 2:
+                m_nLastMouseButton = MOUSE_MIDDLE;
+                break;
+            case 3:
+                m_nLastMouseButton = MOUSE_RIGHT;
+                break;
+            default:
+                return false;
+        }
+
+        sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(pEvent->state);
+        // strip out which buttons are involved from the nModCode and replace with m_nLastMouseButton
+        sal_uInt16 nCode = m_nLastMouseButton | (nModCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2));
+        MouseEvent aMEvt(aPos, m_nLastMouseClicks, ImplGetMouseButtonMode(m_nLastMouseButton, nModCode), nCode, nCode);
+
+        if (nEventType == SalEvent::MouseButtonDown)
+        {
+            if (!m_aMousePressHdl.IsSet())
+                return false;
+            return m_aMousePressHdl.Call(aMEvt);
+        }
+
+        if (!m_aMouseReleaseHdl.IsSet())
+            return false;
+        return m_aMouseReleaseHdl.Call(aMEvt);
+    }
+#endif
+
+    bool simple_signal_motion(double x, double y, guint nState)
+    {
+        if (!m_aMouseMotionHdl.IsSet())
+            return false;
+
+        Point aPos(x, y);
+        if (SwapForRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
+        sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(nState);
+        MouseEvent aMEvt(aPos, 0, ImplGetMouseMoveMode(nModCode), nModCode, nModCode);
+
+        return m_aMouseMotionHdl.Call(aMEvt);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalMotion(GtkEventControllerMotion *pController, double x, double y, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        GdkModifierType eType = gtk_event_controller_get_current_event_state(GTK_EVENT_CONTROLLER(pController));
+
+        SolarMutexGuard aGuard;
+        pThis->simple_signal_motion(x, y, eType);
+    }
+
+#else
+    static gboolean signalMotion(GtkWidget*, GdkEventMotion* pEvent, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_motion(pEvent);
+    }
+
+    bool signal_motion(const GdkEventMotion* pEvent)
+    {
+        const bool bDragData = m_eDragAction != 0 && m_nPressedButton != -1 && m_xDragSource.is() && gtk_drag_source_get_target_list(m_pWidget);
+        bool bUnsetDragIcon(false);
+        if (bDragData && gtk_drag_check_threshold(m_pWidget, m_nPressStartX, m_nPressStartY, pEvent->x, pEvent->y) && !do_signal_drag_begin(bUnsetDragIcon))
+        {
+            GdkDragContext* pContext = gtk_drag_begin_with_coordinates(m_pWidget,
+                                                                       gtk_drag_source_get_target_list(m_pWidget),
+                                                                       m_eDragAction,
+                                                                       m_nPressedButton,
+                                                                       const_cast<GdkEvent*>(reinterpret_cast<const GdkEvent*>(pEvent)),
+                                                                       m_nPressStartX, m_nPressStartY);
+
+            if (pContext && bUnsetDragIcon)
+            {
+                cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
+                gtk_drag_set_icon_surface(pContext, surface);
+                cairo_surface_destroy(surface);
+            }
+
+            m_nPressedButton = -1;
+            return false;
+        }
+
+        return simple_signal_motion(pEvent->x, pEvent->y, pEvent->state);
+    }
+#endif
+
+    bool signal_crossing(double x, double y, guint nState, MouseEventModifiers eMouseEventModifiers)
+    {
+        if (!m_aMouseMotionHdl.IsSet())
+            return false;
+
+        Point aPos(x, y);
+        if (SwapForRTL())
+            aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 - aPos.X());
+        sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(nState);
+        MouseEventModifiers eModifiers = ImplGetMouseMoveMode(nModCode);
+        eModifiers = eModifiers | eMouseEventModifiers;
+        MouseEvent aMEvt(aPos, 0, eModifiers, nModCode, nModCode);
+
+        m_aMouseMotionHdl.Call(aMEvt);
+        return false;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalEnter(GtkEventControllerMotion *pController, double x, double y, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        GdkModifierType eType = gtk_event_controller_get_current_event_state(GTK_EVENT_CONTROLLER(pController));
+        SolarMutexGuard aGuard;
+        pThis->signal_crossing(x, y, eType, MouseEventModifiers::ENTERWINDOW);
+    }
+
+    static void signalLeave(GtkEventControllerMotion *pController, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        GdkModifierType eType = gtk_event_controller_get_current_event_state(GTK_EVENT_CONTROLLER(pController));
+        SolarMutexGuard aGuard;
+        pThis->signal_crossing(-1, -1, eType, MouseEventModifiers::LEAVEWINDOW);
+    }
+#else
+    static gboolean signalCrossing(GtkWidget*, GdkEventCrossing* pEvent, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        MouseEventModifiers eMouseEventModifiers = pEvent->type == GDK_ENTER_NOTIFY ? MouseEventModifiers::ENTERWINDOW : MouseEventModifiers::LEAVEWINDOW;
+        SolarMutexGuard aGuard;
+        return pThis->signal_crossing(pEvent->x, pEvent->y, pEvent->state, eMouseEventModifiers);
+    }
+#endif
+
+    virtual void drag_started()
+    {
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalDragMotion(GtkWidget *pWidget, GdkDragContext *context, gint x, gint y, guint time, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        if (!pThis->m_bDraggedOver)
+        {
+            pThis->m_bDraggedOver = true;
+            pThis->drag_started();
+        }
+        return pThis->m_xDropTarget->signalDragMotion(pWidget, context, x, y, time);
+    }
+
+    static gboolean signalDragDrop(GtkWidget* pWidget, GdkDragContext* context, gint x, gint y, guint time, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        return pThis->m_xDropTarget->signalDragDrop(pWidget, context, x, y, time);
+    }
+
+    static void signalDragDropReceived(GtkWidget* pWidget, GdkDragContext* context, gint x, gint y, GtkSelectionData* data, guint ttype, guint time, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->m_xDropTarget->signalDragDropReceived(pWidget, context, x, y, data, ttype, time);
+    }
+#endif
+
+    virtual void drag_ended()
+    {
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalDragLeave(GtkWidget* pWidget, GdkDragContext*, guint /*time*/, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->m_xDropTarget->signalDragLeave(pWidget);
+        if (pThis->m_bDraggedOver)
+        {
+            pThis->m_bDraggedOver = false;
+            pThis->drag_ended();
+        }
+    }
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalDragBegin(GtkDragSource* context, GdkDrag*, gpointer widget)
+#else
+    static void signalDragBegin(GtkWidget*, GdkDragContext* context, gpointer widget)
+#endif
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->signal_drag_begin(context);
+    }
+
+    void ensure_drag_source()
+    {
+        if (!m_xDragSource)
+        {
+            m_xDragSource.set(new GtkInstDragSource);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            m_nDragFailedSignalId = g_signal_connect(m_pWidget, "drag-failed", G_CALLBACK(signalDragFailed), this);
+            m_nDragDataDeleteignalId = g_signal_connect(m_pWidget, "drag-data-delete", G_CALLBACK(signalDragDelete), this);
+            m_nDragGetSignalId = g_signal_connect(m_pWidget, "drag-data-get", G_CALLBACK(signalDragDataGet), this);
+#endif
+
+            ensure_drag_begin_end();
+        }
+    }
+
+    virtual bool do_signal_drag_begin(bool& rUnsetDragIcon)
+    {
+        rUnsetDragIcon = false;
+        return false;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    virtual void drag_set_icon(GtkDragSource*)
+#else
+    virtual void drag_set_icon(GdkDragContext*)
+#endif
+    {
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    void signal_drag_begin(GtkDragSource* context)
+#else
+    void signal_drag_begin(GdkDragContext* context)
+#endif
+    {
+        bool bUnsetDragIcon(false);
+        if (do_signal_drag_begin(bUnsetDragIcon))
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            launch_drag_cancel(context);
+#endif
+            return;
+        }
+        if (bUnsetDragIcon)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
+            gtk_drag_set_icon_surface(context, surface);
+            cairo_surface_destroy(surface);
+#endif
+        }
+        else
+        {
+            drag_set_icon(context);
+        }
+
+        if (!m_xDragSource)
+            return;
+        m_xDragSource->setActiveDragSource();
+    }
+
+    virtual void do_signal_drag_end()
+    {
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalDragEnd(GtkGestureDrag* /*gesture*/, double /*offset_x*/, double /*offset_y*/, gpointer widget)
+#else
+    static void signalDragEnd(GtkWidget* /*widget*/, GdkDragContext* context, gpointer widget)
+#endif
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->do_signal_drag_end();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (pThis->m_xDragSource.is())
+            pThis->m_xDragSource->dragEnd(context);
+#endif
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalDragFailed(GtkWidget* /*widget*/, GdkDragContext* /*context*/, GtkDragResult /*result*/, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->m_xDragSource->dragFailed();
+        return false;
+    }
+
+    static void signalDragDelete(GtkWidget* /*widget*/, GdkDragContext* /*context*/, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->m_xDragSource->dragDelete();
+    }
+
+    static void signalDragDataGet(GtkWidget* /*widget*/, GdkDragContext* /*context*/, GtkSelectionData *data, guint info,
+                                  guint /*time*/, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        pThis->m_xDragSource->dragDataGet(data, info);
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    virtual void drag_source_set(const std::vector<GtkTargetEntry>& rGtkTargets, GdkDragAction eDragAction)
+    {
+        if (rGtkTargets.empty() && !eDragAction)
+            gtk_drag_source_unset(m_pWidget);
+        else
+            gtk_drag_source_set(m_pWidget, GDK_BUTTON1_MASK, rGtkTargets.data(), rGtkTargets.size(), eDragAction);
+    }
+#endif
+
+    void do_set_background(const Color& rColor)
+    {
+        const bool bRemoveColor = rColor == COL_AUTO;
+        if (bRemoveColor && !m_pBgCssProvider)
+            return;
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(GTK_WIDGET(m_pWidget));
+        if (m_pBgCssProvider)
+        {
+            gtk_style_context_remove_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pBgCssProvider));
+            m_pBgCssProvider = nullptr;
+        }
+        if (bRemoveColor)
+            return;
+        OUString sColor = rColor.AsRGBHexString();
+        m_pBgCssProvider = gtk_css_provider_new();
+        OUString aBuffer = "* { background-color: #" + sColor + "; }";
+        OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8);
+        css_provider_load_from_data(m_pBgCssProvider, aResult.getStr(), aResult.getLength());
+        gtk_style_context_add_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pBgCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+
+    DECL_LINK(SettingsChangedHdl, VclWindowEvent&, void);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void update_style(GtkWidget* pWidget, gpointer pData)
+    {
+        if (GTK_IS_CONTAINER(pWidget))
+            gtk_container_foreach(GTK_CONTAINER(pWidget), update_style, pData);
+        GtkWidgetClass* pWidgetClass = GTK_WIDGET_GET_CLASS(pWidget);
+        pWidgetClass->style_updated(pWidget);
+    }
+#endif
+
+public:
+    GtkInstanceWidget(GtkWidget* pWidget, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : m_pWidget(pWidget)
+        , m_pMouseEventBox(nullptr)
+        , m_pBuilder(pBuilder)
+        , m_bTakeOwnership(bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_bDraggedOver(false)
+#endif
+        , m_nWaitCount(0)
+        , m_nFreezeCount(0)
+        , m_nLastMouseButton(0)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nLastMouseClicks(0)
+#endif
+        , m_nPressedButton(-1)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nPressStartX(-1)
+        , m_nPressStartY(-1)
+#endif
+        , m_pDragCancelEvent(nullptr)
+        , m_pBgCssProvider(nullptr)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_eDragAction(GdkDragAction(0))
+#endif
+        , m_nFocusInSignalId(0)
+        , m_nMnemonicActivateSignalId(0)
+        , m_nFocusOutSignalId(0)
+        , m_nKeyPressSignalId(0)
+        , m_nKeyReleaseSignalId(0)
+        , m_nSizeAllocateSignalId(0)
+        , m_nButtonPressSignalId(0)
+        , m_nMotionSignalId(0)
+        , m_nLeaveSignalId(0)
+        , m_nEnterSignalId(0)
+        , m_nButtonReleaseSignalId(0)
+        , m_nDragMotionSignalId(0)
+        , m_nDragDropSignalId(0)
+        , m_nDragDropReceivedSignalId(0)
+        , m_nDragLeaveSignalId(0)
+        , m_nDragBeginSignalId(0)
+        , m_nDragEndSignalId(0)
+        , m_nDragFailedSignalId(0)
+        , m_nDragDataDeleteignalId(0)
+        , m_nDragGetSignalId(0)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_nGrabCount(0)
+        , m_pFocusController(nullptr)
+        , m_pClickController(nullptr)
+        , m_pMotionController(nullptr)
+        , m_pDragController(nullptr)
+        , m_pKeyController(nullptr)
+#endif
+    {
+        if (!bTakeOwnership)
+            g_object_ref(m_pWidget);
+
+        localizeDecimalSeparator();
+    }
+
+    virtual void connect_key_press(const Link<const KeyEvent&, bool>& rLink) override
+    {
+        if (!m_nKeyPressSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nKeyPressSignalId = g_signal_connect(get_key_controller(), "key-pressed", G_CALLBACK(signalKeyPressed), this);
+#else
+            m_nKeyPressSignalId = g_signal_connect(m_pWidget, "key-press-event", G_CALLBACK(signalKey), this);
+#endif
+        }
+        weld::Widget::connect_key_press(rLink);
+    }
+
+    virtual void connect_key_release(const Link<const KeyEvent&, bool>& rLink) override
+    {
+        if (!m_nKeyReleaseSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nKeyReleaseSignalId = g_signal_connect(get_key_controller(), "key-released", G_CALLBACK(signalKeyReleased), this);
+#else
+            m_nKeyReleaseSignalId = g_signal_connect(m_pWidget, "key-release-event", G_CALLBACK(signalKey), this);
+#endif
+        }
+        weld::Widget::connect_key_release(rLink);
+    }
+
+    virtual void connect_mouse_press(const Link<const MouseEvent&, bool>& rLink) override
+    {
+        ensureButtonPressSignal();
+        weld::Widget::connect_mouse_press(rLink);
+    }
+
+    virtual void connect_mouse_move(const Link<const MouseEvent&, bool>& rLink) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkEventController* pMotionController = get_motion_controller();
+        if (!m_nMotionSignalId)
+            m_nMotionSignalId = g_signal_connect(pMotionController, "motion", G_CALLBACK(signalMotion), this);
+        if (!m_nLeaveSignalId)
+            m_nLeaveSignalId = g_signal_connect(pMotionController, "leave", G_CALLBACK(signalEnter), this);
+        if (!m_nEnterSignalId)
+            m_nEnterSignalId = g_signal_connect(pMotionController, "enter", G_CALLBACK(signalLeave), this);
+#else
+        ensureMouseEventWidget();
+        if (!m_nMotionSignalId)
+            m_nMotionSignalId = g_signal_connect(m_pMouseEventBox, "motion-notify-event", G_CALLBACK(signalMotion), this);
+        if (!m_nLeaveSignalId)
+            m_nLeaveSignalId = g_signal_connect(m_pMouseEventBox, "leave-notify-event", G_CALLBACK(signalCrossing), this);
+        if (!m_nEnterSignalId)
+            m_nEnterSignalId = g_signal_connect(m_pMouseEventBox, "enter-notify-event", G_CALLBACK(signalCrossing), this);
+#endif
+        weld::Widget::connect_mouse_move(rLink);
+    }
+
+    virtual void connect_mouse_release(const Link<const MouseEvent&, bool>& rLink) override
+    {
+        ensureButtonReleaseSignal();
+        weld::Widget::connect_mouse_release(rLink);
+    }
+
+    virtual void set_sensitive(bool sensitive) override
+    {
+        gtk_widget_set_sensitive(m_pWidget, sensitive);
+    }
+
+    virtual bool get_sensitive() const override
+    {
+        return gtk_widget_get_sensitive(m_pWidget);
+    }
+
+    virtual bool get_visible() const override
+    {
+        return gtk_widget_get_visible(m_pWidget);
+    }
+
+    virtual bool is_visible() const override
+    {
+        return gtk_widget_is_visible(m_pWidget);
+    }
+
+    virtual void set_can_focus(bool bCanFocus) override
+    {
+        gtk_widget_set_can_focus(m_pWidget, bCanFocus);
+    }
+
+    virtual void grab_focus() override
+    {
+        if (has_focus())
+            return;
+        gtk_widget_grab_focus(m_pWidget);
+    }
+
+    virtual bool has_focus() const override
+    {
+        return gtk_widget_has_focus(m_pWidget);
+    }
+
+    virtual bool is_active() const override
+    {
+        GtkWindow* pTopLevel = GTK_WINDOW(widget_get_toplevel(m_pWidget));
+        return pTopLevel && gtk_window_is_active(pTopLevel) && has_focus();
+    }
+
+    // is the focus in a child of this widget, where a transient popup attached
+    // to a widget is considered a child of that widget
+    virtual bool has_child_focus() const override
+    {
+        GtkWindow* pFocusWin = get_active_window();
+        if (!pFocusWin)
+            return false;
+        GtkWidget* pFocus = gtk_window_get_focus(pFocusWin);
+        if (pFocus && gtk_widget_is_ancestor(pFocus, m_pWidget))
+            return true;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pAttachedTo = gtk_window_get_attached_to(pFocusWin);
+        if (!pAttachedTo)
+            return false;
+        if (pAttachedTo == m_pWidget || gtk_widget_is_ancestor(pAttachedTo, m_pWidget))
+            return true;
+#endif
+        return false;
+    }
+
+    virtual void show() override
+    {
+        gtk_widget_show(m_pWidget);
+    }
+
+    virtual void hide() override
+    {
+        gtk_widget_hide(m_pWidget);
+    }
+
+    virtual void set_size_request(int nWidth, int nHeight) override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_VIEWPORT(pParent))
+            pParent = gtk_widget_get_parent(pParent);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            gtk_scrolled_window_set_min_content_width(GTK_SCROLLED_WINDOW(pParent), nWidth);
+            gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(pParent), nHeight);
+        }
+        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
+    }
+
+    virtual Size get_size_request() const override
+    {
+        int nWidth, nHeight;
+        gtk_widget_get_size_request(m_pWidget, &nWidth, &nHeight);
+        return Size(nWidth, nHeight);
+    }
+
+    virtual Size get_preferred_size() const override
+    {
+        GtkRequisition size;
+        gtk_widget_get_preferred_size(m_pWidget, nullptr, &size);
+        return Size(size.width, size.height);
+    }
+
+    virtual float get_approximate_digit_width() const override
+    {
+        PangoContext* pContext = gtk_widget_get_pango_context(m_pWidget);
+        PangoFontMetrics* pMetrics = pango_context_get_metrics(pContext,
+                                         pango_context_get_font_description(pContext),
+                                         pango_context_get_language(pContext));
+        float nDigitWidth = pango_font_metrics_get_approximate_digit_width(pMetrics);
+        pango_font_metrics_unref(pMetrics);
+
+        return nDigitWidth / PANGO_SCALE;
+    }
+
+    virtual int get_text_height() const override
+    {
+        PangoContext* pContext = gtk_widget_get_pango_context(m_pWidget);
+        PangoFontMetrics* pMetrics = pango_context_get_metrics(pContext,
+                                         pango_context_get_font_description(pContext),
+                                         pango_context_get_language(pContext));
+        int nLineHeight = pango_font_metrics_get_ascent(pMetrics) + pango_font_metrics_get_descent(pMetrics);
+        pango_font_metrics_unref(pMetrics);
+        return nLineHeight / PANGO_SCALE;
+    }
+
+    virtual Size get_pixel_size(const OUString& rText) const override
+    {
+        OString aStr(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+        PangoLayout* pLayout = gtk_widget_create_pango_layout(m_pWidget, aStr.getStr());
+        gint nWidth, nHeight;
+        pango_layout_get_pixel_size(pLayout, &nWidth, &nHeight);
+        g_object_unref(pLayout);
+        return Size(nWidth, nHeight);
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        return ::get_font(m_pWidget);
+    }
+
+    virtual void set_grid_left_attach(int nAttach) override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        int row, width, height;
+        gtk_grid_query_child(GTK_GRID(pParent), m_pWidget, nullptr, &row, &width, &height);
+        g_object_ref(m_pWidget);
+        gtk_grid_remove(GTK_GRID(pParent), m_pWidget);
+        gtk_grid_attach(GTK_GRID(pParent), m_pWidget, nAttach, row, width, height);
+        g_object_unref(m_pWidget);
+#else
+        gtk_container_child_set(GTK_CONTAINER(pParent), m_pWidget, "left-attach", nAttach, nullptr);
+#endif
+    }
+
+    virtual int get_grid_left_attach() const override
+    {
+        gint nAttach(0);
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_grid_query_child(GTK_GRID(pParent), m_pWidget, &nAttach, nullptr, nullptr, nullptr);
+#else
+        gtk_container_child_get(GTK_CONTAINER(pParent), m_pWidget, "left-attach", &nAttach, nullptr);
+#endif
+        return nAttach;
+    }
+
+    virtual void set_grid_width(int nCols) override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        int col, row, height;
+        gtk_grid_query_child(GTK_GRID(pParent), m_pWidget, &col, &row, nullptr, &height);
+        g_object_ref(m_pWidget);
+        gtk_grid_remove(GTK_GRID(pParent), m_pWidget);
+        gtk_grid_attach(GTK_GRID(pParent), m_pWidget, col, row, nCols, height);
+        g_object_unref(m_pWidget);
+#else
+        gtk_container_child_set(GTK_CONTAINER(pParent), m_pWidget, "width", nCols, nullptr);
+#endif
+    }
+
+    virtual void set_grid_top_attach(int nAttach) override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        int col, width, height;
+        gtk_grid_query_child(GTK_GRID(pParent), m_pWidget, &col, nullptr, &width, &height);
+        g_object_ref(m_pWidget);
+        gtk_grid_remove(GTK_GRID(pParent), m_pWidget);
+        gtk_grid_attach(GTK_GRID(pParent), m_pWidget, col, nAttach, width, height);
+        g_object_unref(m_pWidget);
+#else
+        gtk_container_child_set(GTK_CONTAINER(pParent), m_pWidget, "top-attach", nAttach, nullptr);
+#endif
+    }
+
+    virtual int get_grid_top_attach() const override
+    {
+        gint nAttach(0);
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_grid_query_child(GTK_GRID(pParent), m_pWidget, nullptr, &nAttach, nullptr, nullptr);
+#else
+        gtk_container_child_get(GTK_CONTAINER(pParent), m_pWidget, "top-attach", &nAttach, nullptr);
+#endif
+        return nAttach;
+    }
+
+    virtual void set_hexpand(bool bExpand) override
+    {
+        gtk_widget_set_hexpand(m_pWidget, bExpand);
+    }
+
+    virtual bool get_hexpand() const override
+    {
+        return gtk_widget_get_hexpand(m_pWidget);
+    }
+
+    virtual void set_vexpand(bool bExpand) override
+    {
+        gtk_widget_set_vexpand(m_pWidget, bExpand);
+    }
+
+    virtual bool get_vexpand() const override
+    {
+        return gtk_widget_get_vexpand(m_pWidget);
+    }
+
+    virtual void set_margin_top(int nMargin) override
+    {
+        gtk_widget_set_margin_top(m_pWidget, nMargin);
+    }
+
+    virtual void set_margin_bottom(int nMargin) override
+    {
+        gtk_widget_set_margin_bottom(m_pWidget, nMargin);
+    }
+
+    virtual void set_margin_start(int nMargin) override
+    {
+        gtk_widget_set_margin_start(m_pWidget, nMargin);
+    }
+
+    virtual void set_margin_end(int nMargin) override
+    {
+        gtk_widget_set_margin_end(m_pWidget, nMargin);
+    }
+
+    virtual int get_margin_top() const override
+    {
+        return gtk_widget_get_margin_top(m_pWidget);
+    }
+
+    virtual int get_margin_bottom() const override
+    {
+        return gtk_widget_get_margin_bottom(m_pWidget);
+    }
+
+    virtual int get_margin_start() const override
+    {
+        return gtk_widget_get_margin_start(m_pWidget);
+    }
+
+    virtual int get_margin_end() const override
+    {
+        return gtk_widget_get_margin_end(m_pWidget);
+    }
+
+    virtual void set_accessible_name(const OUString& rName) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_accessible_update_property(GTK_ACCESSIBLE(m_pWidget), GTK_ACCESSIBLE_PROPERTY_LABEL,
+                                       OUStringToOString(rName, RTL_TEXTENCODING_UTF8).getStr(), -1);
+#else
+        AtkObject* pAtkObject = gtk_widget_get_accessible(m_pWidget);
+        if (!pAtkObject)
+            return;
+        atk_object_set_name(pAtkObject, OUStringToOString(rName, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+    }
+
+    virtual void set_accessible_description(const OUString& rDescription) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_accessible_update_property(GTK_ACCESSIBLE(m_pWidget), GTK_ACCESSIBLE_PROPERTY_DESCRIPTION,
+                                       OUStringToOString(rDescription, RTL_TEXTENCODING_UTF8).getStr(), -1);
+#else
+        AtkObject* pAtkObject = gtk_widget_get_accessible(m_pWidget);
+        if (!pAtkObject)
+            return;
+        atk_object_set_description(pAtkObject, OUStringToOString(rDescription, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+    }
+
+    virtual OUString get_accessible_name() const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = gtk_widget_get_accessible(m_pWidget);
+        const char* pStr = pAtkObject ? atk_object_get_name(pAtkObject) : nullptr;
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        char* pStr = gtk_test_accessible_check_property(GTK_ACCESSIBLE(m_pWidget), GTK_ACCESSIBLE_PROPERTY_LABEL, nullptr);
+        OUString sRet(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+        g_free(pStr);
+        return sRet;
+#endif
+    }
+
+    virtual OUString get_accessible_description() const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = gtk_widget_get_accessible(m_pWidget);
+        const char* pStr = pAtkObject ? atk_object_get_description(pAtkObject) : nullptr;
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        char* pStr = gtk_test_accessible_check_property(GTK_ACCESSIBLE(m_pWidget), GTK_ACCESSIBLE_PROPERTY_DESCRIPTION, nullptr);
+        OUString sRet(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+        g_free(pStr);
+        return sRet;
+#endif
+    }
+
+    virtual void set_accessible_relation_labeled_by(weld::Widget* pLabel) override
+    {
+        GtkWidget* pGtkLabel = pLabel ? dynamic_cast<GtkInstanceWidget&>(*pLabel).getWidget() : nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_accessible_update_relation(GTK_ACCESSIBLE(m_pWidget),
+                                       GTK_ACCESSIBLE_RELATION_LABELLED_BY,
+                                       pGtkLabel, nullptr,
+                                       -1);
+#else
+        AtkObject* pAtkObject = gtk_widget_get_accessible(m_pWidget);
+        if (!pAtkObject)
+            return;
+        AtkObject *pAtkLabel = pGtkLabel ? gtk_widget_get_accessible(pGtkLabel) : nullptr;
+        AtkRelationSet *pRelationSet = atk_object_ref_relation_set(pAtkObject);
+        AtkRelation *pRelation = atk_relation_set_get_relation_by_type(pRelationSet, ATK_RELATION_LABELLED_BY);
+        if (pRelation)
+        {
+            // clear ATK_RELATION_LABEL_FOR from old label
+            GPtrArray* pOldLabelTarget = atk_relation_get_target(pRelation);
+            guint nElements = pOldLabelTarget ? pOldLabelTarget->len : 0;
+            for (guint i = 0; i < nElements; ++i)
+            {
+                gpointer pOldLabelObject = g_ptr_array_index(pOldLabelTarget, i);
+                AtkRelationSet *pOldLabelRelationSet = atk_object_ref_relation_set(ATK_OBJECT(pOldLabelObject));
+                if (AtkRelation *pOldLabelRelation = atk_relation_set_get_relation_by_type(pRelationSet, ATK_RELATION_LABEL_FOR))
+                    atk_relation_set_remove(pOldLabelRelationSet, pOldLabelRelation);
+                g_object_unref(pOldLabelRelationSet);
+            }
+            atk_relation_set_remove(pRelationSet, pRelation);
+        }
+
+        if (pAtkLabel)
+        {
+            AtkObject *obj_array_labelled_by[1];
+            obj_array_labelled_by[0] = pAtkLabel;
+            pRelation = atk_relation_new(obj_array_labelled_by, 1, ATK_RELATION_LABELLED_BY);
+            atk_relation_set_add(pRelationSet, pRelation);
+
+            // add ATK_RELATION_LABEL_FOR to new label to match
+            AtkRelationSet *pNewLabelRelationSet = atk_object_ref_relation_set(pAtkLabel);
+            AtkRelation *pNewLabelRelation = atk_relation_set_get_relation_by_type(pNewLabelRelationSet, ATK_RELATION_LABEL_FOR);
+            if (pNewLabelRelation)
+                atk_relation_set_remove(pNewLabelRelationSet, pRelation);
+            AtkObject *obj_array_label_for[1];
+            obj_array_label_for[0] = pAtkObject;
+            pNewLabelRelation = atk_relation_new(obj_array_label_for, 1, ATK_RELATION_LABEL_FOR);
+            atk_relation_set_add(pNewLabelRelationSet, pNewLabelRelation);
+            g_object_unref(pNewLabelRelationSet);
+        }
+
+        g_object_unref(pRelationSet);
+#endif
+    }
+
+    virtual bool get_extents_relative_to(const weld::Widget& rRelative, int& x, int &y, int& width, int &height) const override
+    {
+        //for toplevel windows this is sadly futile under wayland, so we can't tell where a dialog is in order to allow
+        //the document underneath to auto-scroll to place content in a visible location
+        gtk_coord fX(0.0), fY(0.0);
+        bool ret = gtk_widget_translate_coordinates(m_pWidget,
+                                                    dynamic_cast<const GtkInstanceWidget&>(rRelative).getWidget(),
+                                                    0, 0, &fX, &fY);
+        x = fX;
+        y = fY;
+        width = gtk_widget_get_allocated_width(m_pWidget);
+        height = gtk_widget_get_allocated_height(m_pWidget);
+        return ret;
+    }
+
+    virtual void set_tooltip_text(const OUString& rTip) override
+    {
+        gtk_widget_set_tooltip_text(m_pWidget, OUStringToOString(rTip, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    virtual OUString get_tooltip_text() const override
+    {
+        const gchar* pStr = gtk_widget_get_tooltip_text(m_pWidget);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual void set_cursor_data(void * /*pData*/) override {};
+
+    virtual std::unique_ptr<weld::Container> weld_parent() const override;
+
+    virtual OUString get_buildable_name() const override
+    {
+        return ::get_buildable_id(GTK_BUILDABLE(m_pWidget));
+    }
+
+    virtual void set_buildable_name(const OUString& rId) override
+    {
+        ::set_buildable_id(GTK_BUILDABLE(m_pWidget), rId);
+    }
+
+    virtual void set_help_id(const OUString& rHelpId) override
+    {
+        ::set_help_id(m_pWidget, rHelpId);
+    }
+
+    virtual OUString get_help_id() const override
+    {
+        OUString sRet = ::get_help_id(m_pWidget);
+        if (sRet.isEmpty())
+            sRet = "null";
+        return sRet;
+    }
+
+    GtkWidget* getWidget() const
+    {
+        return m_pWidget;
+    }
+
+    GtkWindow* getWindow() const
+    {
+        return GTK_WINDOW(widget_get_toplevel(m_pWidget));
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkEventController* get_focus_controller()
+    {
+        if (!m_pFocusController)
+        {
+            gtk_widget_set_focusable(m_pWidget, true);
+            m_pFocusController = gtk_event_controller_focus_new();
+            gtk_widget_add_controller(m_pWidget, m_pFocusController);
+        }
+        return m_pFocusController;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkEventController* get_click_controller()
+    {
+        if (!m_pClickController)
+        {
+            GtkGesture *pClick = gtk_gesture_click_new();
+            gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(pClick), 0);
+            m_pClickController = GTK_EVENT_CONTROLLER(pClick);
+            gtk_widget_add_controller(m_pWidget, m_pClickController);
+        }
+        return m_pClickController;
+    }
+
+    GtkEventController* get_motion_controller()
+    {
+        if (!m_pMotionController)
+        {
+            m_pMotionController = gtk_event_controller_motion_new();
+            gtk_widget_add_controller(m_pWidget, m_pMotionController);
+        }
+        return m_pMotionController;
+    }
+
+    GtkEventController* get_drag_controller()
+    {
+        if (!m_pDragController)
+        {
+            GtkDragSource* pDrag = gtk_drag_source_new();
+            m_pDragController = GTK_EVENT_CONTROLLER(pDrag);
+            gtk_widget_add_controller(m_pWidget, m_pDragController);
+        }
+        return m_pDragController;
+    }
+
+    GtkEventController* get_key_controller()
+    {
+        if (!m_pKeyController)
+        {
+            m_pKeyController = gtk_event_controller_key_new();
+            gtk_widget_add_controller(m_pWidget, m_pKeyController);
+        }
+        return m_pKeyController;
+    }
+
+#endif
+
+
+#endif
+
+    virtual void connect_focus_in(const Link<Widget&, void>& rLink) override
+    {
+        if (!m_nFocusInSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nFocusInSignalId = g_signal_connect(get_focus_controller(), "enter", G_CALLBACK(signalFocusIn), this);
+#else
+            m_nFocusInSignalId = g_signal_connect(m_pWidget, "focus-in-event", G_CALLBACK(signalFocusIn), this);
+#endif
+        }
+
+        weld::Widget::connect_focus_in(rLink);
+    }
+
+    virtual void connect_mnemonic_activate(const Link<Widget&, bool>& rLink) override
+    {
+        if (!m_nMnemonicActivateSignalId)
+            m_nMnemonicActivateSignalId = g_signal_connect(m_pWidget, "mnemonic-activate", G_CALLBACK(signalMnemonicActivate), this);
+        weld::Widget::connect_mnemonic_activate(rLink);
+    }
+
+    virtual void connect_focus_out(const Link<Widget&, void>& rLink) override
+    {
+        if (!m_nFocusOutSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            m_nFocusOutSignalId = g_signal_connect(get_focus_controller(), "leave", G_CALLBACK(signalFocusOut), this);
+#else
+            m_nFocusOutSignalId = g_signal_connect(m_pWidget, "focus-out-event", G_CALLBACK(signalFocusOut), this);
+#endif
+        }
+        weld::Widget::connect_focus_out(rLink);
+    }
+
+    virtual void connect_size_allocate(const Link<const Size&, void>& rLink) override
+    {
+        m_nSizeAllocateSignalId = g_signal_connect(m_pWidget, "size-allocate", G_CALLBACK(signalSizeAllocate), this);
+        weld::Widget::connect_size_allocate(rLink);
+    }
+
+    virtual void signal_size_allocate(guint nWidth, guint nHeight)
+    {
+        m_aSizeAllocateHdl.Call(Size(nWidth, nHeight));
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    bool signal_key_press(guint keyval, guint keycode, GdkModifierType state)
+    {
+        if (m_aKeyPressHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            return m_aKeyPressHdl.Call(CreateKeyEvent(keyval, keycode, state, 0));
+        }
+        return false;
+    }
+
+    bool signal_key_release(guint keyval, guint keycode, GdkModifierType state)
+    {
+        if (m_aKeyReleaseHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            return m_aKeyReleaseHdl.Call(CreateKeyEvent(keyval, keycode, state, 0));
+        }
+        return false;
+    }
+#else
+
+    virtual bool do_signal_key_press(const GdkEventKey* pEvent)
+    {
+        if (m_aKeyPressHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            return m_aKeyPressHdl.Call(GtkToVcl(*pEvent));
+        }
+        return false;
+    }
+
+    virtual bool do_signal_key_release(const GdkEventKey* pEvent)
+    {
+        if (m_aKeyReleaseHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            return m_aKeyReleaseHdl.Call(GtkToVcl(*pEvent));
+        }
+        return false;
+    }
+
+    bool signal_key_press(const GdkEventKey* pEvent)
+    {
+        return do_signal_key_press(pEvent);
+    }
+
+    bool signal_key_release(const GdkEventKey* pEvent)
+    {
+        return do_signal_key_release(pEvent);
+    }
+#endif
+
+    virtual void grab_add() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        ++m_nGrabCount;
+#else
+        gtk_grab_add(m_pWidget);
+#endif
+    }
+
+    virtual bool has_grab() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return m_nGrabCount != 0;
+#else
+        return gtk_widget_has_grab(m_pWidget);
+#endif
+    }
+
+    virtual void grab_remove() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        --m_nGrabCount;
+#else
+        gtk_grab_remove(m_pWidget);
+#endif
+    }
+
+    virtual bool get_direction() const override
+    {
+        return gtk_widget_get_direction(m_pWidget) == GTK_TEXT_DIR_RTL;
+    }
+
+    virtual void set_direction(bool bRTL) override
+    {
+        gtk_widget_set_direction(m_pWidget, bRTL ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
+    }
+
+    virtual void freeze() override
+    {
+        ++m_nFreezeCount;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_freeze_child_notify(m_pWidget);
+#endif
+        g_object_freeze_notify(G_OBJECT(m_pWidget));
+    }
+
+    virtual void thaw() override
+    {
+        --m_nFreezeCount;
+        g_object_thaw_notify(G_OBJECT(m_pWidget));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_thaw_child_notify(m_pWidget);
+#endif
+    }
+
+    virtual void set_busy_cursor(bool bBusy) override
+    {
+        if (bBusy)
+            ++m_nWaitCount;
+        else
+            --m_nWaitCount;
+        if (m_nWaitCount == 1)
+            set_cursor(m_pWidget, "progress");
+        else if (m_nWaitCount == 0)
+            set_cursor(m_pWidget, nullptr);
+        assert (m_nWaitCount >= 0);
+    }
+
+    virtual void queue_resize() override
+    {
+        gtk_widget_queue_resize(m_pWidget);
+    }
+
+    virtual css::uno::Reference<css::datatransfer::dnd::XDropTarget> get_drop_target() override
+    {
+        if (!m_xDropTarget)
+        {
+            m_xDropTarget.set(new GtkInstDropTarget);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            if (!gtk_drag_dest_get_track_motion(m_pWidget))
+            {
+                gtk_drag_dest_set(m_pWidget, GtkDestDefaults(0), nullptr, 0, GdkDragAction(0));
+                gtk_drag_dest_set_track_motion(m_pWidget, true);
+            }
+            m_nDragMotionSignalId = g_signal_connect(m_pWidget, "drag-motion", G_CALLBACK(signalDragMotion), this);
+            m_nDragDropSignalId = g_signal_connect(m_pWidget, "drag-drop", G_CALLBACK(signalDragDrop), this);
+            m_nDragDropReceivedSignalId = g_signal_connect(m_pWidget, "drag-data-received", G_CALLBACK(signalDragDropReceived), this);
+            m_nDragLeaveSignalId = g_signal_connect(m_pWidget, "drag-leave", G_CALLBACK(signalDragLeave), this);
+#endif
+        }
+        return m_xDropTarget;
+    }
+
+    virtual css::uno::Reference<css::datatransfer::clipboard::XClipboard> get_clipboard() const override
+    {
+        // the gen backend can have per-frame clipboards which is (presumably) useful for LibreOffice Online
+        // but normal usage is the shared system clipboard
+        return GetSystemClipboard();
+    }
+
+    virtual void connect_get_property_tree(const Link<tools::JsonWriter&, void>& /*rLink*/) override
+    {
+        //not implemented for the gtk variant
+    }
+
+    virtual void get_property_tree(tools::JsonWriter& /*rJsonWriter*/) override
+    {
+        //not implemented for the gtk variant
+    }
+
+    virtual void call_attention_to() override
+    {
+        // Change the class name to restart the animation under
+        // its other name: https://css-tricks.com/restart-css-animation/
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (gtk_widget_has_css_class(m_pWidget, "call_attention_1"))
+        {
+            gtk_widget_remove_css_class(m_pWidget, "call_attention_1");
+            gtk_widget_add_css_class(m_pWidget, "call_attention_2");
+        }
+        else
+        {
+            gtk_widget_remove_css_class(m_pWidget, "call_attention_2");
+            gtk_widget_add_css_class(m_pWidget, "call_attention_1");
+        }
+#else
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(m_pWidget);
+        if (gtk_style_context_has_class(pWidgetContext, "call_attention_1"))
+        {
+            gtk_style_context_remove_class(pWidgetContext, "call_attention_1");
+            gtk_style_context_add_class(pWidgetContext, "call_attention_2");
+        }
+        else
+        {
+            gtk_style_context_remove_class(pWidgetContext, "call_attention_2");
+            gtk_style_context_add_class(pWidgetContext, "call_attention_1");
+        }
+#endif
+    }
+
+    virtual void set_stack_background() override
+    {
+        do_set_background(Application::GetSettings().GetStyleSettings().GetWindowColor());
+    }
+
+    virtual void set_title_background() override
+    {
+        do_set_background(Application::GetSettings().GetStyleSettings().GetShadowColor());
+    }
+
+    virtual void set_highlight_background() override
+    {
+        do_set_background(Application::GetSettings().GetStyleSettings().GetHighlightColor());
+    }
+
+    virtual void set_background(const Color& rColor) override
+    {
+        do_set_background(rColor);
+    }
+
+    virtual void set_toolbar_background() override
+    {
+        // no-op
+    }
+
+    virtual ~GtkInstanceWidget() override
+    {
+        if (m_aStyleUpdatedHdl.IsSet())
+            ImplGetDefaultWindow()->RemoveEventListener(LINK(this, GtkInstanceWidget, SettingsChangedHdl));
+
+        if (m_pDragCancelEvent)
+            Application::RemoveUserEvent(m_pDragCancelEvent);
+        if (m_nDragMotionSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragMotionSignalId);
+        if (m_nDragDropSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragDropSignalId);
+        if (m_nDragDropReceivedSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragDropReceivedSignalId);
+        if (m_nDragLeaveSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragLeaveSignalId);
+        if (m_nDragEndSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_drag_controller(), m_nDragEndSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nDragEndSignalId);
+#endif
+        }
+        if (m_nDragBeginSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_drag_controller(), m_nDragBeginSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nDragBeginSignalId);
+#endif
+        }
+        if (m_nDragFailedSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragFailedSignalId);
+        if (m_nDragDataDeleteignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragDataDeleteignalId);
+        if (m_nDragGetSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nDragGetSignalId);
+        if (m_nKeyPressSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_key_controller(), m_nKeyPressSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nKeyPressSignalId);
+#endif
+        }
+        if (m_nKeyReleaseSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_key_controller(), m_nKeyReleaseSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nKeyReleaseSignalId);
+#endif
+        }
+
+        if (m_nFocusInSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_focus_controller(), m_nFocusInSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nFocusInSignalId);
+#endif
+        }
+        if (m_nMnemonicActivateSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nMnemonicActivateSignalId);
+        if (m_nFocusOutSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(get_focus_controller(), m_nFocusOutSignalId);
+#else
+            g_signal_handler_disconnect(m_pWidget, m_nFocusOutSignalId);
+#endif
+        }
+        if (m_nSizeAllocateSignalId)
+            g_signal_handler_disconnect(m_pWidget, m_nSizeAllocateSignalId);
+
+        do_set_background(COL_AUTO);
+
+        DisconnectMouseEvents();
+
+        if (m_bTakeOwnership)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_destroy(m_pWidget);
+#else
+            gtk_window_destroy(GTK_WINDOW(m_pWidget));
+#endif
+        }
+        else
+            g_object_unref(m_pWidget);
+    }
+
+    virtual void disable_notify_events()
+    {
+        if (m_nFocusInSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_block(get_focus_controller(), m_nFocusInSignalId);
+#else
+            g_signal_handler_block(m_pWidget, m_nFocusInSignalId);
+#endif
+        }
+        if (m_nMnemonicActivateSignalId)
+            g_signal_handler_block(m_pWidget, m_nMnemonicActivateSignalId);
+        if (m_nFocusOutSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_block(get_focus_controller(), m_nFocusOutSignalId);
+#else
+            g_signal_handler_block(m_pWidget, m_nFocusOutSignalId);
+#endif
+        }
+        if (m_nSizeAllocateSignalId)
+            g_signal_handler_block(m_pWidget, m_nSizeAllocateSignalId);
+    }
+
+    virtual void enable_notify_events()
+    {
+        if (m_nSizeAllocateSignalId)
+            g_signal_handler_unblock(m_pWidget, m_nSizeAllocateSignalId);
+        if (m_nFocusOutSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_unblock(get_focus_controller(), m_nFocusOutSignalId);
+#else
+            g_signal_handler_unblock(m_pWidget, m_nFocusOutSignalId);
+#endif
+        }
+        if (m_nMnemonicActivateSignalId)
+            g_signal_handler_unblock(m_pWidget, m_nMnemonicActivateSignalId);
+
+        if (m_nFocusInSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_unblock(get_focus_controller(), m_nFocusInSignalId);
+#else
+            g_signal_handler_unblock(m_pWidget, m_nFocusInSignalId);
+#endif
+        }
+    }
+
+    virtual void help_hierarchy_foreach(const std::function<bool(const OUString&)>& func) override;
+
+    virtual OUString strip_mnemonic(const OUString &rLabel) const override
+    {
+        return rLabel.replaceFirst("_", "");
+    }
+
+    virtual VclPtr<VirtualDevice> create_virtual_device() const override
+    {
+        // create with no separate alpha layer like everything sane does
+        auto xRet = VclPtr<VirtualDevice>::Create();
+        xRet->SetBackground(COL_TRANSPARENT);
+        return xRet;
+    }
+
+    virtual void draw(OutputDevice& rOutput, const Point& rPos, const Size& rPixelSize) override
+    {
+        // detect if we have to manually setup its size
+        bool bAlreadyRealized = gtk_widget_get_realized(m_pWidget);
+        // has to be visible for draw to work
+        bool bAlreadyVisible = gtk_widget_get_visible(m_pWidget);
+        // has to be mapped for draw to work
+        bool bAlreadyMapped = gtk_widget_get_mapped(m_pWidget);
+
+        if (!bAlreadyRealized)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            /*
+               tdf#141633 The "sample db" example (Mockup.odb) has multiline
+               entries used in its "Journal Entry" column. Those are painted by
+               taking snapshots of a never-really-shown textview widget.
+               Without this style_updated then the textview is always drawn
+               using its original default font size and changing the page zoom
+               has no effect on the size of text in the "Journal Entry" column.
+            */
+            update_style(m_pWidget, nullptr);
+#endif
+            gtk_widget_realize(m_pWidget);
+        }
+        if (!bAlreadyVisible)
+            gtk_widget_show(m_pWidget);
+        if (!bAlreadyMapped)
+            gtk_widget_map(m_pWidget);
+
+        assert(gtk_widget_is_drawable(m_pWidget)); // all that should result in this holding
+
+        // turn off animations, otherwise we get a frame of an animation sequence
+        gboolean bAnimations;
+        GtkSettings* pSettings = gtk_widget_get_settings(m_pWidget);
+        g_object_get(pSettings, "gtk-enable-animations", &bAnimations, nullptr);
+        if (bAnimations)
+            g_object_set(pSettings, "gtk-enable-animations", false, nullptr);
+
+        Size aSize(rPixelSize);
+
+        GtkAllocation aOrigAllocation;
+        gtk_widget_get_allocation(m_pWidget, &aOrigAllocation);
+
+        GtkAllocation aNewAllocation {aOrigAllocation.x,
+                                      aOrigAllocation.y,
+                                      static_cast<int>(aSize.Width()),
+                                      static_cast<int>(aSize.Height()) };
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_size_allocate(m_pWidget, &aNewAllocation);
+#else
+        gtk_widget_size_allocate(m_pWidget, &aNewAllocation, 0);
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_CONTAINER(m_pWidget))
+            gtk_container_resize_children(GTK_CONTAINER(m_pWidget));
+#endif
+
+        VclPtr<VirtualDevice> xOutput(VclPtr<VirtualDevice>::Create(DeviceFormat::WITHOUT_ALPHA));
+        xOutput->SetOutputSizePixel(aSize);
+
+        switch (rOutput.GetOutDevType())
+        {
+            case OUTDEV_WINDOW:
+            case OUTDEV_VIRDEV:
+                xOutput->DrawOutDev(Point(), aSize, rPos, aSize, rOutput);
+                break;
+            case OUTDEV_PRINTER:
+            case OUTDEV_PDF:
+                xOutput->SetBackground(rOutput.GetBackground());
+                xOutput->Erase();
+                break;
+        }
+
+        cairo_surface_t* pSurface = get_underlying_cairo_surface(*xOutput);
+        cairo_t* cr = cairo_create(pSurface);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_draw(m_pWidget, cr);
+#else
+        GtkSnapshot* pSnapshot = gtk_snapshot_new();
+        GtkWidgetClass* pWidgetClass = GTK_WIDGET_GET_CLASS(m_pWidget);
+        pWidgetClass->snapshot(m_pWidget, pSnapshot);
+        GskRenderNode* pNode = gtk_snapshot_free_to_node(pSnapshot);
+        gsk_render_node_draw(pNode, cr);
+        gsk_render_node_unref(pNode);
+#endif
+
+        cairo_destroy(cr);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_allocation(m_pWidget, &aOrigAllocation);
+        gtk_widget_size_allocate(m_pWidget, &aOrigAllocation);
+#else
+        gtk_widget_size_allocate(m_pWidget, &aOrigAllocation, 0);
+#endif
+
+        switch (rOutput.GetOutDevType())
+        {
+            case OUTDEV_WINDOW:
+            case OUTDEV_VIRDEV:
+                rOutput.DrawOutDev(rPos, aSize, Point(), aSize, *xOutput);
+                break;
+            case OUTDEV_PRINTER:
+            case OUTDEV_PDF:
+                rOutput.DrawBitmapEx(rPos, xOutput->GetBitmapEx(Point(), aSize));
+                break;
+        }
+
+        if (bAnimations)
+            g_object_set(pSettings, "gtk-enable-animations", true, nullptr);
+
+        if (!bAlreadyMapped)
+            gtk_widget_unmap(m_pWidget);
+        if (!bAlreadyVisible)
+            gtk_widget_hide(m_pWidget);
+        if (!bAlreadyRealized)
+            gtk_widget_unrealize(m_pWidget);
+    }
+};
+
+}
+
+IMPL_LINK(GtkInstanceWidget, SettingsChangedHdl, VclWindowEvent&, rEvent, void)
+{
+    if (rEvent.GetId() != VclEventId::WindowDataChanged)
+        return;
+
+    DataChangedEvent* pData = static_cast<DataChangedEvent*>(rEvent.GetData());
+    if (pData->GetType() == DataChangedEventType::SETTINGS)
+        m_aStyleUpdatedHdl.Call(*this);
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+IMPL_LINK(GtkInstanceWidget, async_drag_cancel, void*, arg, void)
+{
+    m_pDragCancelEvent = nullptr;
+    GdkDragContext* context = static_cast<GdkDragContext*>(arg);
+
+    // tdf#132477 simply calling gtk_drag_cancel on the treeview dnd under X
+    // doesn't seem to work as hoped for (though under wayland all is well).
+    // Under X the next (allowed) drag effort doesn't work to drop anything,
+    // but a then repeated attempt does.
+    // emitting cancel to get gtk to cancel the drag for us does work as hoped for.
+    g_signal_emit_by_name(context, "cancel", 0, GDK_DRAG_CANCEL_USER_CANCELLED);
+
+    g_object_unref(context);
+}
+#endif
+
+namespace
+{
+    OString MapToGtkAccelerator(const OUString &rStr)
+    {
+        return OUStringToOString(rStr.replaceFirst("~", "_"), RTL_TEXTENCODING_UTF8);
+    }
+
+    OUString get_label(GtkLabel* pLabel)
+    {
+        const gchar* pStr = gtk_label_get_label(pLabel);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    void set_label(GtkLabel* pLabel, const OUString& rText)
+    {
+        gtk_label_set_label(pLabel, MapToGtkAccelerator(rText).getStr());
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkWidget* find_label_widget(GtkWidget* pContainer)
+    {
+        GtkWidget* pLabel = nullptr;
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pContainer);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (GTK_IS_LABEL(pChild))
+            {
+                pLabel = pChild;
+                break;
+            }
+            else
+            {
+                pLabel = find_label_widget(pChild);
+                if (pLabel)
+                    break;
+            }
+        }
+        return pLabel;
+    }
+
+    GtkWidget* find_image_widget(GtkWidget* pContainer)
+    {
+        GtkWidget* pImage = nullptr;
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pContainer);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (GTK_IS_IMAGE(pChild))
+            {
+                pImage = pChild;
+                break;
+            }
+            else
+            {
+                pImage = find_image_widget(pChild);
+                if (pImage)
+                    break;
+            }
+        }
+        return pImage;
+    }
+#else
+    GtkWidget* find_label_widget(GtkContainer* pContainer)
+    {
+        GList* pChildren = gtk_container_get_children(pContainer);
+
+        GtkWidget* pChild = nullptr;
+        for (GList* pCandidate = pChildren; pCandidate; pCandidate = pCandidate->next)
+        {
+            if (GTK_IS_LABEL(pCandidate->data))
+            {
+                pChild = GTK_WIDGET(pCandidate->data);
+                break;
+            }
+            else if (GTK_IS_CONTAINER(pCandidate->data))
+            {
+                pChild = find_label_widget(GTK_CONTAINER(pCandidate->data));
+                if (pChild)
+                    break;
+            }
+        }
+        g_list_free(pChildren);
+
+        return pChild;
+    }
+
+    GtkWidget* find_image_widget(GtkContainer* pContainer)
+    {
+        GList* pChildren = gtk_container_get_children(pContainer);
+
+        GtkWidget* pChild = nullptr;
+        for (GList* pCandidate = pChildren; pCandidate; pCandidate = pCandidate->next)
+        {
+            if (GTK_IS_IMAGE(pCandidate->data))
+            {
+                pChild = GTK_WIDGET(pCandidate->data);
+                break;
+            }
+            else if (GTK_IS_CONTAINER(pCandidate->data))
+            {
+                pChild = find_image_widget(GTK_CONTAINER(pCandidate->data));
+                if (pChild)
+                    break;
+            }
+        }
+        g_list_free(pChildren);
+
+        return pChild;
+    }
+#endif
+
+    GtkLabel* get_label_widget(GtkWidget* pButton)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pChild = gtk_bin_get_child(GTK_BIN(pButton));
+
+        if (GTK_IS_CONTAINER(pChild))
+            pChild = find_label_widget(GTK_CONTAINER(pChild));
+        else if (!GTK_IS_LABEL(pChild))
+            pChild = nullptr;
+
+        return GTK_LABEL(pChild);
+#else
+        return GTK_LABEL(find_label_widget(pButton));
+#endif
+    }
+
+    GtkImage* get_image_widget(GtkWidget *pButton)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pChild = gtk_bin_get_child(GTK_BIN(pButton));
+
+        if (GTK_IS_CONTAINER(pChild))
+            pChild = find_image_widget(GTK_CONTAINER(pChild));
+        else if (!GTK_IS_IMAGE(pChild))
+            pChild = nullptr;
+
+        return GTK_IMAGE(pChild);
+#else
+        return GTK_IMAGE(find_image_widget(pButton));
+#endif
+    }
+
+    OUString button_get_label(GtkButton* pButton)
+    {
+        if (GtkLabel* pLabel = get_label_widget(GTK_WIDGET(pButton)))
+            return ::get_label(pLabel);
+        const gchar* pStr = gtk_button_get_label(pButton);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    void button_set_label(GtkButton* pButton, const OUString& rText)
+    {
+        if (GtkLabel* pLabel = get_label_widget(GTK_WIDGET(pButton)))
+        {
+            ::set_label(pLabel, rText);
+            gtk_widget_set_visible(GTK_WIDGET(pLabel), true);
+            return;
+        }
+        gtk_button_set_label(pButton, MapToGtkAccelerator(rText).getStr());
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    OUString get_label(GtkCheckButton* pButton)
+    {
+        const gchar* pStr = gtk_check_button_get_label(pButton);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    void set_label(GtkCheckButton* pButton, const OUString& rText)
+    {
+        gtk_check_button_set_label(pButton, MapToGtkAccelerator(rText).getStr());
+    }
+#endif
+
+    OUString get_title(GtkWindow* pWindow)
+    {
+        const gchar* pStr = gtk_window_get_title(pWindow);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    void set_title(GtkWindow* pWindow, std::u16string_view rTitle)
+    {
+        gtk_window_set_title(pWindow, OUStringToOString(rTitle, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    OUString get_primary_text(GtkMessageDialog* pMessageDialog)
+    {
+        gchar* pText = nullptr;
+        g_object_get(G_OBJECT(pMessageDialog), "text", &pText, nullptr);
+        return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    void set_primary_text(GtkMessageDialog* pMessageDialog, std::u16string_view rText)
+    {
+        g_object_set(G_OBJECT(pMessageDialog), "text",
+            OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr(),
+            nullptr);
+    }
+
+    void set_secondary_text(GtkMessageDialog* pMessageDialog, std::u16string_view rText)
+    {
+        g_object_set(G_OBJECT(pMessageDialog), "secondary-text",
+                OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr(),
+                nullptr);
+    }
+
+    OUString get_secondary_text(GtkMessageDialog* pMessageDialog)
+    {
+        gchar* pText = nullptr;
+        g_object_get(G_OBJECT(pMessageDialog), "secondary-text", &pText, nullptr);
+        return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+    }
+}
+
+namespace
+{
+    GdkPixbuf* load_icon_from_stream(SvMemoryStream& rStream)
+    {
+        auto nLength = rStream.TellEnd();
+        if (!nLength)
+            return nullptr;
+        const guchar* pData = static_cast<const guchar*>(rStream.GetData());
+        assert((*pData == 137 || *pData == '<') && "if we want to support more than png or svg this function must change");
+        // if we know the image type, it's a little faster to hand the type over and skip the type detection.
+        GdkPixbufLoader *pixbuf_loader = gdk_pixbuf_loader_new_with_type(*pData == 137 ? "png" : "svg", nullptr);
+        gdk_pixbuf_loader_write(pixbuf_loader, pData, nLength, nullptr);
+        gdk_pixbuf_loader_close(pixbuf_loader, nullptr);
+        GdkPixbuf* pixbuf = gdk_pixbuf_loader_get_pixbuf(pixbuf_loader);
+        if (pixbuf)
+            g_object_ref(pixbuf);
+        g_object_unref(pixbuf_loader);
+        return pixbuf;
+    }
+
+    std::shared_ptr<SvMemoryStream> get_icon_stream_by_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        return ImageTree::get().getImageStream(rIconName, rIconTheme, rUILang);
+    }
+
+    GdkPixbuf* load_icon_by_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        auto xMemStm = get_icon_stream_by_name_theme_lang(rIconName, rIconTheme, rUILang);
+        if (!xMemStm)
+            return nullptr;
+        return load_icon_from_stream(*xMemStm);
+    }
+
+    std::unique_ptr<utl::TempFileNamed> get_icon_stream_as_file_by_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        uno::Reference<io::XInputStream> xInputStream = ImageTree::get().getImageXInputStream(rIconName, rIconTheme, rUILang);
+        if (!xInputStream)
+            return nullptr;
+
+        std::unique_ptr<utl::TempFileNamed> xRet(new utl::TempFileNamed);
+        xRet->EnableKillingFile(true);
+        SvStream* pStream = xRet->GetStream(StreamMode::WRITE);
+
+        for (;;)
+        {
+            const sal_Int32 nSize(2048);
+            uno::Sequence<sal_Int8> aData(nSize);
+            sal_Int32 nRead = xInputStream->readBytes(aData, nSize);
+            pStream->WriteBytes(aData.getConstArray(), nRead);
+            if (nRead < nSize)
+                break;
+        }
+        xRet->CloseStream();
+
+        return xRet;
+    }
+
+    std::unique_ptr<utl::TempFileNamed> get_icon_stream_as_file(const OUString& rIconName)
+    {
+        OUString sIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
+        OUString sUILang = Application::GetSettings().GetUILanguageTag().getBcp47();
+        return get_icon_stream_as_file_by_name_theme_lang(rIconName, sIconTheme, sUILang);
+    }
+}
+
+GdkPixbuf* load_icon_by_name(const OUString& rIconName)
+{
+    OUString sIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
+    OUString sUILang = Application::GetSettings().GetUILanguageTag().getBcp47();
+    return load_icon_by_name_theme_lang(rIconName, sIconTheme, sUILang);
+}
+
+namespace
+{
+    Image mirrorImage(const Image& rImage)
+    {
+        BitmapEx aMirrBitmapEx(rImage.GetBitmapEx());
+        aMirrBitmapEx.Mirror(BmpMirrorFlags::Horizontal);
+        return Image(aMirrBitmapEx);
+    }
+
+    GdkPixbuf* getPixbuf(const css::uno::Reference<css::graphic::XGraphic>& rImage, bool bMirror = false)
+    {
+        Image aImage(rImage);
+        if (bMirror)
+            aImage = mirrorImage(aImage);
+
+        OUString sStock(aImage.GetStock());
+        if (!sStock.isEmpty())
+            return load_icon_by_name(sStock);
+
+        SvMemoryStream aMemStm;
+
+        // We "know" that this gets passed to zlib's deflateInit2_(). 1 means best speed.
+        css::uno::Sequence<css::beans::PropertyValue> aFilterData{ comphelper::makePropertyValue(
+            "Compression", sal_Int32(1)) };
+        auto aBitmapEx = aImage.GetBitmapEx();
+        vcl::PngImageWriter aWriter(aMemStm);
+        aWriter.setParameters(aFilterData);
+        aWriter.write(aBitmapEx);
+
+        return load_icon_from_stream(aMemStm);
+    }
+
+    // tdf#151898 as far as I can see only gtk_image_new_from_file (or gtk_image_new_from_resource) can support the use of a
+    // scalable input format to create a hidpi GtkImage, rather than an upscaled lodpi one so forced to go via a file here
+    std::unique_ptr<utl::TempFileNamed> getImageFile(const css::uno::Reference<css::graphic::XGraphic>& rImage, bool bMirror = false)
+    {
+        Image aImage(rImage);
+        if (bMirror)
+            aImage = mirrorImage(aImage);
+
+        OUString sStock(aImage.GetStock());
+        if (!sStock.isEmpty())
+            return get_icon_stream_as_file(sStock);
+
+        std::unique_ptr<utl::TempFileNamed> xRet(new utl::TempFileNamed);
+        xRet->EnableKillingFile(true);
+        SvStream* pStream = xRet->GetStream(StreamMode::WRITE);
+
+        // We "know" that this gets passed to zlib's deflateInit2_(). 1 means best speed.
+        css::uno::Sequence<css::beans::PropertyValue> aFilterData{ comphelper::makePropertyValue(
+            "Compression", sal_Int32(1)) };
+        auto aBitmapEx = aImage.GetBitmapEx();
+        vcl::PngImageWriter aWriter(*pStream);
+        aWriter.setParameters(aFilterData);
+        aWriter.write(aBitmapEx);
+
+        xRet->CloseStream();
+        return xRet;
+    }
+
+    GdkPixbuf* getPixbuf(const VirtualDevice& rDevice)
+    {
+        Size aSize(rDevice.GetOutputSizePixel());
+        cairo_surface_t* orig_surface = get_underlying_cairo_surface(rDevice);
+        double fXScale, fYScale;
+        dl_cairo_surface_get_device_scale(orig_surface, &fXScale, &fYScale);
+
+        cairo_surface_t* surface;
+        if (fXScale != 1.0 || fYScale != -1)
+        {
+            surface = cairo_surface_create_similar_image(orig_surface,
+                                                         CAIRO_FORMAT_ARGB32,
+                                                         aSize.Width(),
+                                                         aSize.Height());
+            cairo_t* cr = cairo_create(surface);
+            cairo_set_source_surface(cr, orig_surface, 0, 0);
+            cairo_paint(cr);
+            cairo_destroy(cr);
+        }
+        else
+            surface = orig_surface;
+
+        GdkPixbuf* pRet = gdk_pixbuf_get_from_surface(surface, 0, 0, aSize.Width(), aSize.Height());
+
+        if (surface != orig_surface)
+            cairo_surface_destroy(surface);
+
+        return pRet;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    cairo_surface_t* render_paintable_to_surface(GdkPaintable *paintable, int nWidth, int nHeight)
+    {
+        cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, nWidth, nHeight);
+
+        GtkSnapshot* snapshot = gtk_snapshot_new();
+        gdk_paintable_snapshot(paintable, snapshot, nWidth, nHeight);
+        GskRenderNode* node = gtk_snapshot_free_to_node(snapshot);
+
+        cairo_t* cr = cairo_create(surface);
+        gsk_render_node_draw(node, cr);
+        cairo_destroy(cr);
+
+        gsk_render_node_unref(node);
+
+        return surface;
+    }
+#endif
+
+    GdkPixbuf* getPixbuf(const OUString& rIconName)
+    {
+        if (rIconName.isEmpty())
+            return nullptr;
+
+        GdkPixbuf* pixbuf = nullptr;
+        if (rIconName.lastIndexOf('.') != rIconName.getLength() - 4)
+        {
+            assert((rIconName== "dialog-warning" || rIconName== "dialog-error" || rIconName== "dialog-information") &&
+                   "unknown stock image");
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+            GtkIconTheme *icon_theme = gtk_icon_theme_get_for_display(gdk_display_get_default());
+            GtkIconPaintable *icon = gtk_icon_theme_lookup_icon(icon_theme,
+                                     OUStringToOString(rIconName, RTL_TEXTENCODING_UTF8).getStr(),
+                                     nullptr,
+                                     16,
+                                     1,
+                                     AllSettings::GetLayoutRTL() ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR,
+                                     static_cast<GtkIconLookupFlags>(0));
+            GdkPaintable* paintable = GDK_PAINTABLE(icon);
+            int nWidth = gdk_paintable_get_intrinsic_width(paintable);
+            int nHeight = gdk_paintable_get_intrinsic_height(paintable);
+            cairo_surface_t* surface = render_paintable_to_surface(paintable, nWidth, nHeight);
+            pixbuf = gdk_pixbuf_get_from_surface(surface, 0, 0, nWidth, nHeight);
+            cairo_surface_destroy(surface);
+#else
+            GtkIconTheme *icon_theme = gtk_icon_theme_get_default();
+            GError *error = nullptr;
+            pixbuf = gtk_icon_theme_load_icon(icon_theme, OUStringToOString(rIconName, RTL_TEXTENCODING_UTF8).getStr(),
+                                              16, GTK_ICON_LOOKUP_USE_BUILTIN, &error);
+#endif
+        }
+        else
+        {
+            const AllSettings& rSettings = Application::GetSettings();
+            pixbuf = load_icon_by_name_theme_lang(rIconName,
+                                       rSettings.GetStyleSettings().DetermineIconTheme(),
+                                       rSettings.GetUILanguageTag().getBcp47());
+        }
+        return pixbuf;
+    }
+}
+
+namespace
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    SurfacePaintable* paintable_new_from_virtual_device(const VirtualDevice& rImageSurface)
+    {
+        cairo_surface_t* surface = get_underlying_cairo_surface(rImageSurface);
+
+        Size aSize(rImageSurface.GetOutputSizePixel());
+        cairo_surface_t* target = cairo_surface_create_similar(surface,
+                                                               cairo_surface_get_content(surface),
+                                                               aSize.Width(),
+                                                               aSize.Height());
+        cairo_t* cr = cairo_create(target);
+        cairo_set_source_surface(cr, surface, 0, 0);
+        cairo_paint(cr);
+        cairo_destroy(cr);
+
+        SurfacePaintable* pPaintable = SURFACE_PAINTABLE(g_object_new(surface_paintable_get_type(), nullptr));
+        surface_paintable_set_source(pPaintable, target, aSize.Width(), aSize.Height());
+        return pPaintable;
+    }
+
+    GtkWidget* image_new_from_virtual_device(const VirtualDevice& rImageSurface)
+    {
+        SurfacePaintable* paintable = paintable_new_from_virtual_device(rImageSurface);
+        return gtk_image_new_from_paintable(GDK_PAINTABLE(paintable));
+    }
+
+    GtkWidget* picture_new_from_virtual_device(const VirtualDevice& rImageSurface)
+    {
+        SurfacePaintable* paintable = paintable_new_from_virtual_device(rImageSurface);
+        return gtk_picture_new_for_paintable(GDK_PAINTABLE(paintable));
+    }
+
+#else
+    GtkWidget* image_new_from_virtual_device(const VirtualDevice& rImageSurface)
+    {
+        GtkWidget* pImage = nullptr;
+        cairo_surface_t* surface = get_underlying_cairo_surface(rImageSurface);
+
+        Size aSize(rImageSurface.GetOutputSizePixel());
+        cairo_surface_t* target = cairo_surface_create_similar(surface,
+                                                               cairo_surface_get_content(surface),
+                                                               aSize.Width(),
+                                                               aSize.Height());
+        cairo_t* cr = cairo_create(target);
+        cairo_set_source_surface(cr, surface, 0, 0);
+        cairo_paint(cr);
+        cairo_destroy(cr);
+
+        pImage = gtk_image_new_from_surface(target);
+        cairo_surface_destroy(target);
+        return pImage;
+    }
+#endif
+
+    GtkWidget* image_new_from_xgraphic(const css::uno::Reference<css::graphic::XGraphic>& rIcon, bool bMirror)
+    {
+        GtkWidget* pImage = nullptr;
+        if (auto xTempFile = getImageFile(rIcon, bMirror))
+            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        return pImage;
+    }
+
+    GtkWidget* image_new_from_icon_name(const OUString& rIconName)
+    {
+        GtkWidget* pImage = nullptr;
+        if (auto xTempFile = get_icon_stream_as_file(rIconName))
+            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        return pImage;
+    }
+
+    GtkWidget* image_new_from_icon_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        GtkWidget* pImage = nullptr;
+        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
+            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        return pImage;
+    }
+
+    void image_set_from_icon_name(GtkImage* pImage, const OUString& rIconName)
+    {
+        if (auto xTempFile = get_icon_stream_as_file(rIconName))
+            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_image_set_from_pixbuf(pImage, nullptr);
+    }
+
+    void image_set_from_icon_name_theme_lang(GtkImage* pImage, const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
+            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_image_set_from_pixbuf(pImage, nullptr);
+    }
+
+    void image_set_from_virtual_device(GtkImage* pImage, const VirtualDevice* pDevice)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_image_set_from_paintable(pImage, pDevice ? GDK_PAINTABLE(paintable_new_from_virtual_device(*pDevice)) : nullptr);
+#else
+        gtk_image_set_from_surface(pImage, pDevice ? get_underlying_cairo_surface(*pDevice) : nullptr);
+#endif
+    }
+
+    void image_set_from_xgraphic(GtkImage* pImage, const css::uno::Reference<css::graphic::XGraphic>& rImage)
+    {
+        if (auto xTempFile = getImageFile(rImage, false))
+            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_image_set_from_pixbuf(pImage, nullptr);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    void picture_set_from_icon_name(GtkPicture* pPicture, const OUString& rIconName)
+    {
+        if (auto xTempFile = get_icon_stream_as_file(rIconName))
+            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_picture_set_pixbuf(pPicture, nullptr);
+    }
+
+    void picture_set_from_icon_name_theme_lang(GtkPicture* pPicture, const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
+    {
+        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
+            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_picture_set_pixbuf(pPicture, nullptr);
+    }
+
+    void picture_set_from_virtual_device(GtkPicture* pPicture, const VirtualDevice* pDevice)
+    {
+        if (!pDevice)
+            gtk_picture_set_paintable(pPicture, nullptr);
+        else
+            gtk_picture_set_paintable(pPicture, GDK_PAINTABLE(paintable_new_from_virtual_device(*pDevice)));
+    }
+
+    void picture_set_from_xgraphic(GtkPicture* pPicture, const css::uno::Reference<css::graphic::XGraphic>& rPicture)
+    {
+        if (auto xTempFile = getImageFile(rPicture, false))
+            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
+        else
+            gtk_picture_set_pixbuf(pPicture, nullptr);
+    }
+#endif
+
+    void button_set_from_icon_name(GtkButton* pButton, const OUString& rIconName)
+    {
+        if (GtkImage* pImage = get_image_widget(GTK_WIDGET(pButton)))
+        {
+            ::image_set_from_icon_name(pImage, rIconName);
+            gtk_widget_set_visible(GTK_WIDGET(pImage), true);
+            return;
+        }
+
+        GtkWidget* pImage = image_new_from_icon_name(rIconName);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_button_set_child(pButton, pImage);
+#else
+        gtk_button_set_image(pButton, pImage);
+#endif
+    }
+
+    void button_set_image(GtkButton* pButton, const VirtualDevice* pDevice)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_button_set_always_show_image(pButton, true);
+        gtk_button_set_image_position(pButton, GTK_POS_LEFT);
+#endif
+        GtkWidget* pImage = pDevice ? image_new_from_virtual_device(*pDevice) : nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_button_set_child(pButton, pImage);
+#else
+        gtk_button_set_image(pButton, pImage);
+#endif
+    }
+
+    void button_set_image(GtkButton* pButton, const css::uno::Reference<css::graphic::XGraphic>& rImage)
+    {
+        if (GtkImage* pImage = get_image_widget(GTK_WIDGET(pButton)))
+        {
+            ::image_set_from_xgraphic(pImage, rImage);
+            gtk_widget_set_visible(GTK_WIDGET(pImage), true);
+            return;
+        }
+
+        GtkWidget* pImage = image_new_from_xgraphic(rImage, false);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_button_set_child(pButton, pImage);
+#else
+        gtk_button_set_image(pButton, pImage);
+#endif
+    }
+
+
+class MenuHelper
+{
+protected:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkMenu* m_pMenu;
+
+    std::map<OUString, GtkMenuItem*> m_aMap;
+#else
+    GtkPopoverMenu* m_pMenu;
+
+    o3tl::sorted_vector<OString> m_aInsertedActions; // must outlive m_aActionEntries
+    std::map<OUString, OString> m_aIdToAction;
+    std::set<OUString> m_aHiddenIds;
+    std::vector<GActionEntry> m_aActionEntries;
+    GActionGroup* m_pActionGroup;
+    // move 'invisible' entries to m_pHiddenActionGroup
+    GActionGroup* m_pHiddenActionGroup;
+#endif
+    bool m_bTakeOwnership;
+private:
+
+    virtual void signal_item_activate(const OUString& rIdent) = 0;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void collect(GtkWidget* pItem, gpointer widget)
+    {
+        GtkMenuItem* pMenuItem = GTK_MENU_ITEM(pItem);
+        if (GtkWidget* pSubMenu = gtk_menu_item_get_submenu(pMenuItem))
+            gtk_container_foreach(GTK_CONTAINER(pSubMenu), collect, widget);
+        MenuHelper* pThis = static_cast<MenuHelper*>(widget);
+        pThis->add_to_map(pMenuItem);
+    }
+
+    static void signalActivate(GtkMenuItem* pItem, gpointer widget)
+    {
+        MenuHelper* pThis = static_cast<MenuHelper*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_item_activate(::get_buildable_id(GTK_BUILDABLE(pItem)));
+    }
+#else
+    static std::pair<GMenuModel*, int> find_id(GMenuModel* pMenuModel, const OUString& rId)
+    {
+        for (int i = 0, nCount = g_menu_model_get_n_items(pMenuModel); i < nCount; ++i)
+        {
+            OUString sTarget;
+            char *id;
+            if (g_menu_model_get_item_attribute(pMenuModel, i, "target", "s", &id))
+            {
+                sTarget = OStringToOUString(id, RTL_TEXTENCODING_UTF8);
+                g_free(id);
+            }
+
+            if (sTarget == rId)
+                return std::make_pair(pMenuModel, i);
+
+            if (GMenuModel* pSectionModel = g_menu_model_get_item_link(pMenuModel, i, G_MENU_LINK_SECTION))
+            {
+                std::pair<GMenuModel*, int> aRet = find_id(pSectionModel, rId);
+                if (aRet.first)
+                    return aRet;
+            }
+            if (GMenuModel* pSubMenuModel = g_menu_model_get_item_link(pMenuModel, i, G_MENU_LINK_SUBMENU))
+            {
+                std::pair<GMenuModel*, int> aRet = find_id(pSubMenuModel, rId);
+                if (aRet.first)
+                    return aRet;
+            }
+        }
+
+        return std::make_pair(nullptr, -1);
+    }
+
+    void clear_actions()
+    {
+        for (const auto& rAction : m_aActionEntries)
+        {
+            g_action_map_remove_action(G_ACTION_MAP(m_pActionGroup), rAction.name);
+            g_action_map_remove_action(G_ACTION_MAP(m_pHiddenActionGroup), rAction.name);
+        }
+        m_aActionEntries.clear();
+        m_aInsertedActions.clear();
+        m_aIdToAction.clear();
+    }
+
+    static void action_activated(GSimpleAction*, GVariant* pParameter, gpointer widget)
+    {
+        gsize nLength(0);
+        const gchar* pStr = g_variant_get_string(pParameter, &nLength);
+        OUString aStr(pStr, nLength, RTL_TEXTENCODING_UTF8);
+        MenuHelper* pThis = static_cast<MenuHelper*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_item_activate(aStr);
+    }
+#endif
+
+public:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    MenuHelper(GtkMenu* pMenu, bool bTakeOwnership)
+#else
+    MenuHelper(GtkPopoverMenu* pMenu, bool bTakeOwnership)
+#endif
+        : m_pMenu(pMenu)
+        , m_bTakeOwnership(bTakeOwnership)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!m_pMenu)
+            return;
+        gtk_container_foreach(GTK_CONTAINER(m_pMenu), collect, this);
+#else
+        m_pActionGroup = G_ACTION_GROUP(g_simple_action_group_new());
+        m_pHiddenActionGroup = G_ACTION_GROUP(g_simple_action_group_new());
+#endif
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void add_to_map(GtkMenuItem* pMenuItem)
+    {
+        OUString id = ::get_buildable_id(GTK_BUILDABLE(pMenuItem));
+        m_aMap[id] = pMenuItem;
+        g_signal_connect(pMenuItem, "activate", G_CALLBACK(signalActivate), this);
+    }
+
+    void remove_from_map(GtkMenuItem* pMenuItem)
+    {
+        OUString id = ::get_buildable_id(GTK_BUILDABLE(pMenuItem));
+        auto iter = m_aMap.find(id);
+        g_signal_handlers_disconnect_by_data(pMenuItem, this);
+        m_aMap.erase(iter);
+    }
+
+    void disable_item_notify_events()
+    {
+        for (auto& a : m_aMap)
+            g_signal_handlers_block_by_func(a.second, reinterpret_cast<void*>(signalActivate), this);
+    }
+
+    void enable_item_notify_events()
+    {
+        for (auto& a : m_aMap)
+            g_signal_handlers_unblock_by_func(a.second, reinterpret_cast<void*>(signalActivate), this);
+    }
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    /* LibreOffice likes to think of separators between menu entries, while gtk likes
+       to think of sections of menus with separators drawn between sections. We always
+       arrange to have a section in a menu so toplevel menumodels comprise of
+       sections and we move entries between sections on pretending to insert separators */
+    static std::pair<GMenuModel*, int> get_section_and_pos_for(GMenuModel* pMenuModel, int pos)
+    {
+        int nSectionCount = g_menu_model_get_n_items(pMenuModel);
+        assert(nSectionCount);
+
+        GMenuModel* pSectionModel = nullptr;
+        int nIndexWithinSection = 0;
+
+        int nExternalPos = 0;
+        for (int nSection = 0; nSection < nSectionCount; ++nSection)
+        {
+            pSectionModel = g_menu_model_get_item_link(pMenuModel, nSection, G_MENU_LINK_SECTION);
+            assert(pSectionModel);
+            int nCount = g_menu_model_get_n_items(pSectionModel);
+            for (nIndexWithinSection = 0; nIndexWithinSection < nCount; ++nIndexWithinSection)
+            {
+                if (pos == nExternalPos)
+                    break;
+                ++nExternalPos;
+            }
+            ++nExternalPos;
+        }
+
+        return std::make_pair(pSectionModel, nIndexWithinSection);
+    }
+
+    static int count_immediate_children(GMenuModel* pMenuModel)
+    {
+        int nSectionCount = g_menu_model_get_n_items(pMenuModel);
+        assert(nSectionCount);
+
+        int nExternalPos = 0;
+        for (int nSection = 0; nSection < nSectionCount; ++nSection)
+        {
+            GMenuModel* pSectionModel = g_menu_model_get_item_link(pMenuModel, nSection, G_MENU_LINK_SECTION);
+            assert(pSectionModel);
+            int nCount = g_menu_model_get_n_items(pSectionModel);
+            for (int nIndexWithinSection = 0; nIndexWithinSection < nCount; ++nIndexWithinSection)
+            {
+                ++nExternalPos;
+            }
+            ++nExternalPos;
+        }
+
+        return nExternalPos - 1;
+    }
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    void process_menu_model(GMenuModel* pMenuModel)
+    {
+        for (int i = 0, nCount = g_menu_model_get_n_items(pMenuModel); i < nCount; ++i)
+        {
+            OString sAction;
+            OUString sTarget;
+            char *id;
+            if (g_menu_model_get_item_attribute(pMenuModel, i, "action", "s", &id))
+            {
+                assert(o3tl::starts_with(id, "menu."));
+
+                sAction = OString(id + 5);
+
+                auto res = m_aInsertedActions.insert(sAction);
+                if (res.second)
+                {
+                    // the const char* arg isn't copied by anything so it must continue to exist for the life time of
+                    // the action group
+                    if (sAction.startsWith("radio."))
+                        m_aActionEntries.push_back({res.first->getStr(), action_activated, "s", "'none'", nullptr, {}});
+                    else
+                        m_aActionEntries.push_back({res.first->getStr(), action_activated, "s", nullptr, nullptr, {}});
+                }
+
+                g_free(id);
+            }
+
+            if (g_menu_model_get_item_attribute(pMenuModel, i, "target", "s", &id))
+            {
+                sTarget = OStringToOUString(id, RTL_TEXTENCODING_UTF8);
+                g_free(id);
+            }
+
+            m_aIdToAction[sTarget] = sAction;
+
+            if (GMenuModel* pSectionModel = g_menu_model_get_item_link(pMenuModel, i, G_MENU_LINK_SECTION))
+                process_menu_model(pSectionModel);
+            if (GMenuModel* pSubMenuModel = g_menu_model_get_item_link(pMenuModel, i, G_MENU_LINK_SUBMENU))
+                process_menu_model(pSubMenuModel);
+        }
+    }
+
+    // build an action group for the menu, "action" is the normal menu entry case
+    // the others are radiogroups
+    void update_action_group_from_popover_model()
+    {
+        clear_actions();
+
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            process_menu_model(pMenuModel);
+        }
+
+        // move hidden entries to m_pHiddenActionGroup
+        g_action_map_add_action_entries(G_ACTION_MAP(m_pActionGroup), m_aActionEntries.data(), m_aActionEntries.size(), this);
+        for (const auto& id : m_aHiddenIds)
+        {
+            GAction* pAction = g_action_map_lookup_action(G_ACTION_MAP(m_pActionGroup), m_aIdToAction[id].getStr());
+            g_action_map_add_action(G_ACTION_MAP(m_pHiddenActionGroup), pAction);
+            g_action_map_remove_action(G_ACTION_MAP(m_pActionGroup), m_aIdToAction[id].getStr());
+        }
+    }
+#endif
+
+    void insert_item(int pos, const OUString& rId, const OUString& rStr,
+                     const OUString* pIconName, const VirtualDevice* pImageSurface,
+                     TriState eCheckRadioFalse)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pImage = nullptr;
+        if (pIconName && !pIconName->isEmpty())
+            pImage = image_new_from_icon_name(*pIconName);
+        else if (pImageSurface)
+            pImage = image_new_from_virtual_device(*pImageSurface);
+
+        GtkWidget *pItem;
+        if (pImage)
+        {
+            GtkBox *pBox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6));
+            GtkWidget *pLabel = gtk_label_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr());
+            pItem = eCheckRadioFalse != TRISTATE_INDET ? gtk_check_menu_item_new() : gtk_menu_item_new();
+            gtk_box_pack_start(pBox, pImage, true, true, 0);
+            gtk_box_pack_start(pBox, pLabel, true, true, 0);
+            gtk_container_add(GTK_CONTAINER(pItem), GTK_WIDGET(pBox));
+            gtk_widget_show_all(pItem);
+        }
+        else
+        {
+            pItem = eCheckRadioFalse != TRISTATE_INDET ? gtk_check_menu_item_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr())
+                                                       : gtk_menu_item_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr());
+        }
+
+        if (eCheckRadioFalse == TRISTATE_FALSE)
+            gtk_check_menu_item_set_draw_as_radio(GTK_CHECK_MENU_ITEM(pItem), true);
+
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rId);
+        gtk_menu_shell_append(GTK_MENU_SHELL(m_pMenu), pItem);
+        gtk_widget_show(pItem);
+        add_to_map(GTK_MENU_ITEM(pItem));
+        if (pos != -1)
+            gtk_menu_reorder_child(m_pMenu, pItem, pos);
+#else
+        (void)pIconName; (void)pImageSurface;
+
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            auto aSectionAndPos = get_section_and_pos_for(pMenuModel, pos);
+            GMenu* pMenu = G_MENU(aSectionAndPos.first);
+            // action with a target value ... the action name and target value are separated by a double
+            // colon ... For example: "app.action::target"
+            OUString sActionAndTarget;
+            if (eCheckRadioFalse == TRISTATE_INDET)
+                sActionAndTarget = "menu.normal." + rId + "::" + rId;
+            else
+                sActionAndTarget = "menu.radio." + rId + "::" + rId;
+            g_menu_insert(pMenu, aSectionAndPos.second, MapToGtkAccelerator(rStr).getStr(), sActionAndTarget.toUtf8().getStr());
+
+            assert(eCheckRadioFalse == TRISTATE_INDET); // come back to this later
+
+            // TODO not redo entire group
+            update_action_group_from_popover_model();
+        }
+#endif
+    }
+
+    void insert_separator(int pos, const OUString& rId)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pItem = gtk_separator_menu_item_new();
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rId);
+        gtk_menu_shell_append(GTK_MENU_SHELL(m_pMenu), pItem);
+        gtk_widget_show(pItem);
+        add_to_map(GTK_MENU_ITEM(pItem));
+        if (pos != -1)
+            gtk_menu_reorder_child(m_pMenu, pItem, pos);
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            auto aSectionAndPos = get_section_and_pos_for(pMenuModel, pos);
+
+            for (int nSection = 0, nSectionCount = g_menu_model_get_n_items(pMenuModel); nSection < nSectionCount; ++nSection)
+            {
+                GMenuModel* pSectionModel = g_menu_model_get_item_link(pMenuModel, nSection, G_MENU_LINK_SECTION);
+                assert(pSectionModel);
+                if (aSectionAndPos.first == pSectionModel)
+                {
+                    GMenu* pNewSection = g_menu_new();
+                    GMenuItem* pSectionItem = g_menu_item_new_section(nullptr, G_MENU_MODEL(pNewSection));
+                    OUString sActionAndTarget = "menu.separator." + rId + "::" + rId;
+                    g_menu_item_set_detailed_action(pSectionItem, sActionAndTarget.toUtf8().getStr());
+                    g_menu_insert_item(G_MENU(pMenuModel), nSection + 1, pSectionItem);
+                    int nOldSectionCount = g_menu_model_get_n_items(pSectionModel);
+                    for (int i = nOldSectionCount - 1; i >= aSectionAndPos.second; --i)
+                    {
+                        GMenuItem* pMenuItem = g_menu_item_new_from_model(pSectionModel, i);
+                        g_menu_prepend_item(pNewSection, pMenuItem);
+                        g_menu_remove(G_MENU(pSectionModel), i);
+                        g_object_unref(pMenuItem);
+                    }
+                    g_object_unref(pSectionItem);
+                    g_object_unref(pNewSection);
+                }
+            }
+        }
+
+#endif
+    }
+
+    void remove_item(const OUString& rIdent)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkMenuItem* pMenuItem = m_aMap[rIdent];
+        remove_from_map(pMenuItem);
+        gtk_widget_destroy(GTK_WIDGET(pMenuItem));
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            std::pair<GMenuModel*, int> aRes = find_id(pMenuModel, rIdent);
+            if (!aRes.first)
+                return;
+            g_menu_remove(G_MENU(aRes.first), aRes.second);
+        }
+#endif
+    }
+
+    void set_item_sensitive(const OUString& rIdent, bool bSensitive)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GActionGroup* pActionGroup = m_aHiddenIds.find(rIdent) == m_aHiddenIds.end() ? m_pActionGroup : m_pHiddenActionGroup;
+        GAction* pAction = g_action_map_lookup_action(G_ACTION_MAP(pActionGroup), m_aIdToAction[rIdent].getStr());
+        g_simple_action_set_enabled(G_SIMPLE_ACTION(pAction), bSensitive);
+#else
+        gtk_widget_set_sensitive(GTK_WIDGET(m_aMap[rIdent]), bSensitive);
+#endif
+    }
+
+    bool get_item_sensitive(const OUString& rIdent) const
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GActionGroup* pActionGroup = m_aHiddenIds.find(rIdent) == m_aHiddenIds.end() ? m_pActionGroup : m_pHiddenActionGroup;
+        GAction* pAction = g_action_map_lookup_action(G_ACTION_MAP(pActionGroup), m_aIdToAction.find(rIdent)->second.getStr());
+        return g_action_get_enabled(pAction);
+#else
+        return gtk_widget_get_sensitive(GTK_WIDGET(m_aMap.find(rIdent)->second));
+#endif
+    }
+
+    void set_item_active(const OUString& rIdent, bool bActive)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        disable_item_notify_events();
+        gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(m_aMap[rIdent]), bActive);
+        enable_item_notify_events();
+#else
+        GActionGroup* pActionGroup = m_aHiddenIds.find(rIdent) == m_aHiddenIds.end() ? m_pActionGroup : m_pHiddenActionGroup;
+        g_action_group_change_action_state(pActionGroup, m_aIdToAction[rIdent].getStr(),
+                                           g_variant_new_string(bActive ? OUStringToOString(rIdent, RTL_TEXTENCODING_UTF8).getStr() : "'none'"));
+#endif
+    }
+
+    bool get_item_active(const OUString& rIdent) const
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(m_aMap.find(rIdent)->second));
+#else
+        GActionGroup* pActionGroup = m_aHiddenIds.find(rIdent) == m_aHiddenIds.end() ? m_pActionGroup : m_pHiddenActionGroup;
+        GVariant* pState = g_action_group_get_action_state(pActionGroup, m_aIdToAction.find(rIdent)->second.getStr());
+        if (!pState)
+            return false;
+        const char *pStateString = g_variant_get_string(pState, nullptr);
+        bool bInactive = g_strcmp0(pStateString, "'none'") == 0;
+        g_variant_unref(pState);
+        return bInactive;
+#endif
+    }
+
+    void set_item_label(const OUString& rIdent, const OUString& rText)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_menu_item_set_label(m_aMap[rIdent], MapToGtkAccelerator(rText).getStr());
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            std::pair<GMenuModel*, int> aRes = find_id(pMenuModel, rIdent);
+            if (!aRes.first)
+                return;
+            // clone the original item, remove the original, insert the replacement at
+            // the original location
+            GMenuItem* pMenuItem = g_menu_item_new_from_model(aRes.first, aRes.second);
+            g_menu_remove(G_MENU(aRes.first), aRes.second);
+            g_menu_item_set_label(pMenuItem, MapToGtkAccelerator(rText).getStr());
+            g_menu_insert_item(G_MENU(aRes.first), aRes.second, pMenuItem);
+            g_object_unref(pMenuItem);
+        }
+#endif
+    }
+
+    OUString get_item_label(const OUString& rIdent) const
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        const gchar* pText = gtk_menu_item_get_label(m_aMap.find(rIdent)->second);
+        return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            std::pair<GMenuModel*, int> aRes = find_id(pMenuModel, rIdent);
+            if (!aRes.first)
+                return OUString();
+
+            // clone the original item to query its label
+            GMenuItem* pMenuItem = g_menu_item_new_from_model(aRes.first, aRes.second);
+            char *pLabel = nullptr;
+            g_menu_item_get_attribute(pMenuItem, G_MENU_ATTRIBUTE_LABEL, "&s", &pLabel);
+            OUString aRet(pLabel, pLabel ? strlen(pLabel) : 0, RTL_TEXTENCODING_UTF8);
+            g_free(pLabel);
+            g_object_unref(pMenuItem);
+            return aRet;
+        }
+        return OUString();
+#endif
+    }
+
+    void set_item_visible(const OUString& rIdent, bool bShow)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pWidget = GTK_WIDGET(m_aMap[rIdent]);
+        if (bShow)
+            gtk_widget_show(pWidget);
+        else
+            gtk_widget_hide(pWidget);
+#else
+        bool bOldVisible = m_aHiddenIds.find(rIdent) == m_aHiddenIds.end();
+        if (bShow == bOldVisible)
+            return;
+
+        if (!bShow)
+        {
+            GAction* pAction = g_action_map_lookup_action(G_ACTION_MAP(m_pActionGroup), m_aIdToAction[rIdent].getStr());
+            g_action_map_add_action(G_ACTION_MAP(m_pHiddenActionGroup), pAction);
+            g_action_map_remove_action(G_ACTION_MAP(m_pActionGroup), m_aIdToAction[rIdent].getStr());
+            m_aHiddenIds.insert(rIdent);
+        }
+        else
+        {
+            GAction* pAction = g_action_map_lookup_action(G_ACTION_MAP(m_pHiddenActionGroup), m_aIdToAction[rIdent].getStr());
+            g_action_map_add_action(G_ACTION_MAP(m_pActionGroup), pAction);
+            g_action_map_remove_action(G_ACTION_MAP(m_pHiddenActionGroup), m_aIdToAction[rIdent].getStr());
+            m_aHiddenIds.erase(rIdent);
+        }
+#endif
+    }
+
+    OUString get_item_id(int pos) const
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(m_pMenu));
+        gpointer pMenuItem = g_list_nth_data(pChildren, pos);
+        OUString id = ::get_buildable_id(GTK_BUILDABLE(pMenuItem));
+        g_list_free(pChildren);
+        return id;
+#else
+        OUString sTarget;
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            auto aSectionAndPos = get_section_and_pos_for(pMenuModel, pos);
+            char *id;
+            if (g_menu_model_get_item_attribute(aSectionAndPos.first, aSectionAndPos.second, "target", "s", &id))
+            {
+                sTarget = OStringToOUString(id, RTL_TEXTENCODING_UTF8);
+                g_free(id);
+            }
+        }
+        return sTarget;
+#endif
+    }
+
+    int get_n_children() const
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(m_pMenu));
+        int nLen = g_list_length(pChildren);
+        g_list_free(pChildren);
+        return nLen;
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+            return count_immediate_children(pMenuModel);
+        return 0;
+#endif
+    }
+
+    void clear_items()
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        for (const auto& a : m_aMap)
+        {
+            GtkMenuItem* pMenuItem = a.second;
+            g_signal_handlers_disconnect_by_data(pMenuItem, this);
+            gtk_widget_destroy(GTK_WIDGET(pMenuItem));
+        }
+        m_aMap.clear();
+#else
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            GMenu* pMenu = G_MENU(pMenuModel);
+            g_menu_remove_all(pMenu);
+            g_menu_insert_section(pMenu, 0, nullptr, G_MENU_MODEL(g_menu_new()));
+            m_aHiddenIds.clear();
+            update_action_group_from_popover_model();
+        }
+#endif
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkMenu* getMenu() const
+#else
+    GtkPopoverMenu* getMenu() const
+#endif
+    {
+        return m_pMenu;
+    }
+
+    virtual ~MenuHelper()
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        for (auto& a : m_aMap)
+            g_signal_handlers_disconnect_by_data(a.second, this);
+        if (m_bTakeOwnership)
+            gtk_widget_destroy(GTK_WIDGET(m_pMenu));
+#else
+        g_object_unref(m_pActionGroup);
+        g_object_unref(m_pHiddenActionGroup);
+#endif
+    }
+};
+
+class GtkInstanceSizeGroup : public weld::SizeGroup
+{
+private:
+    GtkSizeGroup* m_pGroup;
+public:
+    GtkInstanceSizeGroup()
+        : m_pGroup(gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL))
+    {
+    }
+    virtual void add_widget(weld::Widget* pWidget) override
+    {
+        GtkInstanceWidget* pVclWidget = dynamic_cast<GtkInstanceWidget*>(pWidget);
+        assert(pVclWidget);
+        gtk_size_group_add_widget(m_pGroup, pVclWidget->getWidget());
+    }
+    virtual void set_mode(VclSizeGroupMode eVclMode) override
+    {
+        GtkSizeGroupMode eGtkMode(GTK_SIZE_GROUP_NONE);
+        switch (eVclMode)
+        {
+            case VclSizeGroupMode::NONE:
+                eGtkMode = GTK_SIZE_GROUP_NONE;
+                break;
+            case VclSizeGroupMode::Horizontal:
+                eGtkMode = GTK_SIZE_GROUP_HORIZONTAL;
+                break;
+            case VclSizeGroupMode::Vertical:
+                eGtkMode = GTK_SIZE_GROUP_VERTICAL;
+                break;
+            case VclSizeGroupMode::Both:
+                eGtkMode = GTK_SIZE_GROUP_BOTH;
+                break;
+        }
+        gtk_size_group_set_mode(m_pGroup, eGtkMode);
+    }
+    virtual ~GtkInstanceSizeGroup() override
+    {
+        g_object_unref(m_pGroup);
+    }
+};
+
+class ChildFrame : public WorkWindow
+{
+private:
+    Idle  maLayoutIdle;
+
+    DECL_LINK(ImplHandleLayoutTimerHdl, Timer*, void);
+public:
+    ChildFrame(vcl::Window* pParent, WinBits nStyle)
+        : WorkWindow(pParent, nStyle)
+        , maLayoutIdle( "ChildFrame maLayoutIdle" )
+    {
+        maLayoutIdle.SetPriority(TaskPriority::RESIZE);
+        maLayoutIdle.SetInvokeHandler( LINK( this, ChildFrame, ImplHandleLayoutTimerHdl ) );
+    }
+
+    virtual void dispose() override
+    {
+        maLayoutIdle.Stop();
+        WorkWindow::dispose();
+    }
+
+    virtual void queue_resize(StateChangedType eReason = StateChangedType::Layout) override
+    {
+        WorkWindow::queue_resize(eReason);
+        if (maLayoutIdle.IsActive())
+            return;
+        maLayoutIdle.Start();
+    }
+
+    void Layout()
+    {
+        if (vcl::Window *pChild = GetWindow(GetWindowType::FirstChild))
+            pChild->SetPosSizePixel(Point(0, 0), GetSizePixel());
+    }
+
+    virtual void Resize() override
+    {
+        maLayoutIdle.Stop();
+        Layout();
+        WorkWindow::Resize();
+    }
+};
+
+IMPL_LINK_NOARG(ChildFrame, ImplHandleLayoutTimerHdl, Timer*, void)
+{
+    Layout();
+}
+
+class GtkInstanceContainer : public GtkInstanceWidget, public virtual weld::Container
+{
+private:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkContainer* m_pContainer;
+#else
+    GtkWidget* m_pContainer;
+#endif
+    gulong m_nSetFocusChildSignalId;
+    bool m_bChildHasFocus;
+
+    void signal_set_focus_child(bool bChildHasFocus)
+    {
+        if (m_bChildHasFocus != bChildHasFocus)
+        {
+            m_bChildHasFocus = bChildHasFocus;
+            signal_container_focus_changed();
+        }
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalSetFocusChild(GtkContainer*, GtkWidget* pChild, gpointer widget)
+    {
+        GtkInstanceContainer* pThis = static_cast<GtkInstanceContainer*>(widget);
+        pThis->signal_set_focus_child(pChild != nullptr);
+    }
+#endif
+
+public:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceContainer(GtkContainer* pContainer, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pContainer), pBuilder, bTakeOwnership)
+#else
+    GtkInstanceContainer(GtkWidget* pContainer, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(pContainer, pBuilder, bTakeOwnership)
+#endif
+        , m_pContainer(pContainer)
+        , m_nSetFocusChildSignalId(0)
+        , m_bChildHasFocus(false)
+    {
+    }
+
+    virtual void connect_container_focus_changed(const Link<Container&, void>& rLink) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!m_nSetFocusChildSignalId)
+            m_nSetFocusChildSignalId = g_signal_connect(G_OBJECT(m_pContainer), "set-focus-child", G_CALLBACK(signalSetFocusChild), this);
+#endif
+        weld::Container::connect_container_focus_changed(rLink);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkWidget* getContainer() { return m_pContainer; }
+#else
+    GtkContainer* getContainer() { return m_pContainer; }
+#endif
+
+    virtual void child_grab_focus() override
+    {
+        gtk_widget_grab_focus(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        bool bHasFocusChild = gtk_widget_get_focus_child(GTK_WIDGET(m_pContainer));
+#else
+        bool bHasFocusChild = gtk_container_get_focus_child(m_pContainer);
+#endif
+        if (!bHasFocusChild)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            if (GtkWidget* pChild = gtk_widget_get_first_child(m_pContainer))
+            {
+                gtk_widget_set_focus_child(m_pContainer, pChild);
+                bHasFocusChild = true;
+            }
+#else
+            GList* pChildren = gtk_container_get_children(m_pContainer);
+            if (GList* pChild = g_list_first(pChildren))
+            {
+                gtk_container_set_focus_child(m_pContainer, static_cast<GtkWidget*>(pChild->data));
+                bHasFocusChild = true;
+            }
+            g_list_free(pChildren);
+#endif
+        }
+
+        if (bHasFocusChild)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_child_focus(gtk_widget_get_focus_child(m_pWidget), GTK_DIR_TAB_FORWARD);
+#else
+            gtk_widget_child_focus(gtk_container_get_focus_child(GTK_CONTAINER(m_pWidget)), GTK_DIR_TAB_FORWARD);
+#endif
+        }
+
+    }
+
+    virtual void move(weld::Widget* pWidget, weld::Container* pNewParent) override
+    {
+        GtkInstanceWidget* pGtkWidget = dynamic_cast<GtkInstanceWidget*>(pWidget);
+        assert(pGtkWidget);
+        GtkWidget* pChild = pGtkWidget->getWidget();
+        g_object_ref(pChild);
+        auto pOldContainer = getContainer();
+        container_remove(GTK_WIDGET(pOldContainer), pChild);
+
+        GtkInstanceContainer* pNewGtkParent = dynamic_cast<GtkInstanceContainer*>(pNewParent);
+        assert(!pNewParent || pNewGtkParent);
+        if (pNewGtkParent)
+        {
+            auto pNewContainer = pNewGtkParent->getContainer();
+            container_add(GTK_WIDGET(pNewContainer), pChild);
+        }
+        g_object_unref(pChild);
+    }
+
+    virtual css::uno::Reference<css::awt::XWindow> CreateChildFrame() override
+    {
+        // This will cause a GtkSalFrame to be created. With WB_SYSTEMCHILDWINDOW set it
+        // will create a toplevel GtkEventBox window
+        auto xEmbedWindow = VclPtr<ChildFrame>::Create(ImplGetDefaultWindow(), WB_SYSTEMCHILDWINDOW | WB_DIALOGCONTROL | WB_CHILDDLGCTRL);
+        SalFrame* pFrame = xEmbedWindow->ImplGetFrame();
+        GtkSalFrame* pGtkFrame = dynamic_cast<GtkSalFrame*>(pFrame);
+        assert(pGtkFrame);
+
+        // relocate that toplevel GtkEventBox into this widget
+        GtkWidget* pWindow = pGtkFrame->getWindow();
+
+        GtkWidget* pParent = gtk_widget_get_parent(pWindow);
+
+        g_object_ref(pWindow);
+        container_remove(pParent, pWindow);
+        container_add(GTK_WIDGET(m_pContainer), pWindow);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_child_set(m_pContainer, pWindow, "expand", true, "fill", true, nullptr);
+#endif
+        gtk_widget_set_hexpand(pWindow, true);
+        gtk_widget_set_vexpand(pWindow, true);
+        gtk_widget_realize(pWindow);
+        gtk_widget_set_can_focus(pWindow, true);
+        g_object_unref(pWindow);
+
+        // NoActivate otherwise Show grab focus to this widget
+        xEmbedWindow->Show(true, ShowFlags::NoActivate);
+        css::uno::Reference<css::awt::XWindow> xWindow(xEmbedWindow->GetComponentInterface(), css::uno::UNO_QUERY);
+        return xWindow;
+    }
+
+    virtual ~GtkInstanceContainer() override
+    {
+        if (m_nSetFocusChildSignalId)
+            g_signal_handler_disconnect(m_pContainer, m_nSetFocusChildSignalId);
+    }
+};
+
+}
+
+std::unique_ptr<weld::Container> GtkInstanceWidget::weld_parent() const
+{
+    GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+    if (!pParent)
+        return nullptr;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    return std::make_unique<GtkInstanceContainer>(GTK_CONTAINER(pParent), m_pBuilder, false);
+#else
+    return std::make_unique<GtkInstanceContainer>(pParent, m_pBuilder, false);
+#endif
+}
+
+namespace {
+
+bool sortButtons(const GtkWidget* pA, const GtkWidget* pB)
+{
+    //order within groups according to platform rules
+    return getButtonPriority(get_buildable_id(GTK_BUILDABLE(pA))) <
+           getButtonPriority(get_buildable_id(GTK_BUILDABLE(pB)));
+}
+
+void sort_native_button_order(GtkBox* pContainer)
+{
+    std::vector<GtkWidget*> aChildren;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(pContainer));
+         pChild; pChild = gtk_widget_get_next_sibling(pChild))
+    {
+        aChildren.push_back(pChild);
+    }
+#else
+    GList* pChildren = gtk_container_get_children(GTK_CONTAINER(pContainer));
+    for (GList* pChild = g_list_first(pChildren); pChild; pChild = g_list_next(pChild))
+        aChildren.push_back(static_cast<GtkWidget*>(pChild->data));
+    g_list_free(pChildren);
+#endif
+
+    //sort child order within parent so that we match the platform button order
+    std::stable_sort(aChildren.begin(), aChildren.end(), sortButtons);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    for (size_t pos = 0; pos < aChildren.size(); ++pos)
+        gtk_box_reorder_child_after(pContainer, aChildren[pos], pos ? aChildren[pos - 1] : nullptr);
+#else
+    for (size_t pos = 0; pos < aChildren.size(); ++pos)
+        gtk_box_reorder_child(pContainer, aChildren[pos], pos);
+#endif
+}
+
+class GtkInstanceBox : public GtkInstanceContainer, public virtual weld::Box
+{
+private:
+    GtkBox* m_pBox;
+
+public:
+    GtkInstanceBox(GtkBox* pBox, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pBox), pBuilder, bTakeOwnership)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pBox), pBuilder, bTakeOwnership)
+#endif
+        , m_pBox(pBox)
+    {
+    }
+
+    virtual void reorder_child(weld::Widget* pWidget, int nNewPosition) override
+    {
+        GtkInstanceWidget* pGtkWidget = dynamic_cast<GtkInstanceWidget*>(pWidget);
+        assert(pGtkWidget);
+        GtkWidget* pChild = pGtkWidget->getWidget();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_reorder_child(m_pBox, pChild, nNewPosition);
+#else
+        if (nNewPosition == 0)
+            gtk_box_reorder_child_after(m_pBox, pChild, nullptr);
+        else
+        {
+            int nNewSiblingPos = nNewPosition - 1;
+            int nChildPosition = 0;
+            for (GtkWidget* pNewSibling = gtk_widget_get_first_child(GTK_WIDGET(m_pBox));
+                 pNewSibling; pNewSibling = gtk_widget_get_next_sibling(pNewSibling))
+            {
+                if (nChildPosition == nNewSiblingPos)
+                {
+                    gtk_box_reorder_child_after(m_pBox, pChild, pNewSibling);
+                    break;
+                }
+                ++nChildPosition;
+            }
+        }
+#endif
+    }
+
+    virtual void sort_native_button_order() override
+    {
+        ::sort_native_button_order(m_pBox);
+    }
+};
+
+}
+
+namespace
+{
+    Point get_csd_offset(GtkWidget* pTopLevel)
+    {
+        // try and omit drawing CSD under wayland
+        GtkWidget* pChild = widget_get_first_child(pTopLevel);
+
+        gtk_coord x, y;
+        gtk_widget_translate_coordinates(pChild, pTopLevel, 0, 0, &x, &y);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        int innerborder = gtk_container_get_border_width(GTK_CONTAINER(pChild));
+        int outerborder = gtk_container_get_border_width(GTK_CONTAINER(pTopLevel));
+        int totalborder = outerborder + innerborder;
+        x -= totalborder;
+        y -= totalborder;
+#endif
+
+        return Point(x, y);
+    }
+
+    void do_collect_screenshot_data(GtkWidget* pItem, gpointer data)
+    {
+        GtkWidget* pTopLevel = widget_get_toplevel(pItem);
+
+        gtk_coord x, y;
+        gtk_widget_translate_coordinates(pItem, pTopLevel, 0, 0, &x, &y);
+
+        Point aOffset = get_csd_offset(pTopLevel);
+
+        GtkAllocation alloc;
+        gtk_widget_get_allocation(pItem, &alloc);
+
+        const basegfx::B2IPoint aCurrentTopLeft(x - aOffset.X(), y - aOffset.Y());
+        const basegfx::B2IRange aCurrentRange(aCurrentTopLeft, aCurrentTopLeft + basegfx::B2IPoint(alloc.width, alloc.height));
+
+        if (!aCurrentRange.isEmpty())
+        {
+            weld::ScreenShotCollection* pCollection = static_cast<weld::ScreenShotCollection*>(data);
+            pCollection->emplace_back(::get_help_id(pItem), aCurrentRange);
+        }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pItem);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            do_collect_screenshot_data(pChild, data);
+        }
+#else
+        if (GTK_IS_CONTAINER(pItem))
+            gtk_container_forall(GTK_CONTAINER(pItem), do_collect_screenshot_data, data);
+#endif
+    }
+
+    AbsoluteScreenPixelRectangle get_monitor_workarea(GtkWidget* pWindow)
+    {
+        GdkRectangle aRect;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GdkScreen* pScreen = gtk_widget_get_screen(pWindow);
+        gint nMonitor = gdk_screen_get_monitor_at_window(pScreen, widget_get_surface(pWindow));
+        gdk_screen_get_monitor_workarea(pScreen, nMonitor, &aRect);
+#else
+        GdkDisplay* pDisplay = gtk_widget_get_display(pWindow);
+        GdkSurface* gdkWindow = widget_get_surface(pWindow);
+        GdkMonitor* pMonitor = gdk_display_get_monitor_at_surface(pDisplay, gdkWindow);
+        gdk_monitor_get_geometry(pMonitor, &aRect);
+#endif
+        return AbsoluteScreenPixelRectangle(aRect.x, aRect.y, aRect.x + aRect.width, aRect.y + aRect.height);
+    }
+
+
+class GtkInstanceWindow : public GtkInstanceContainer, public virtual weld::Window
+{
+private:
+    GtkWindow* m_pWindow;
+    rtl::Reference<SalGtkXWindow> m_xWindow; //uno api
+    gulong m_nToplevelFocusChangedSignalId;
+protected:
+    std::optional<Point> m_aPosWhileInvis; //tdf#146648 store last known position when visible to return as pos if hidden
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void implResetDefault(GtkWidget *pWidget, gpointer user_data)
+    {
+        if (GTK_IS_BUTTON(pWidget))
+            g_object_set(G_OBJECT(pWidget), "has-default", false, nullptr);
+        if (GTK_IS_CONTAINER(pWidget))
+            gtk_container_forall(GTK_CONTAINER(pWidget), implResetDefault, user_data);
+    }
+
+    void recursively_unset_default_buttons()
+    {
+        implResetDefault(GTK_WIDGET(m_pWindow), nullptr);
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean help_pressed(GtkAccelGroup*, GObject*, guint, GdkModifierType, gpointer widget)
+    {
+        GtkInstanceWindow* pThis = static_cast<GtkInstanceWindow*>(widget);
+        pThis->help();
+        return true;
+    }
+#endif
+
+    static void signalToplevelFocusChanged(GtkWindow*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceWindow* pThis = static_cast<GtkInstanceWindow*>(widget);
+        pThis->signal_container_focus_changed();
+    }
+
+    bool isPositioningAllowed() const
+    {
+        // no X/Y positioning under Wayland
+        GdkDisplay *pDisplay = gtk_widget_get_display(m_pWidget);
+        return !DLSYM_GDK_IS_WAYLAND_DISPLAY(pDisplay);
+    }
+
+protected:
+    void help();
+public:
+    GtkInstanceWindow(GtkWindow* pWindow, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pWindow), pBuilder, bTakeOwnership)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pWindow), pBuilder, bTakeOwnership)
+#endif
+        , m_pWindow(pWindow)
+        , m_nToplevelFocusChangedSignalId(0)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        const bool bIsFrameWeld = pBuilder == nullptr;
+        if (!bIsFrameWeld)
+        {
+            //hook up F1 to show help
+            GtkAccelGroup *pGroup = gtk_accel_group_new();
+            GClosure* closure = g_cclosure_new(G_CALLBACK(help_pressed), this, nullptr);
+            gtk_accel_group_connect(pGroup, GDK_KEY_F1, static_cast<GdkModifierType>(0), GTK_ACCEL_LOCKED, closure);
+            gtk_window_add_accel_group(pWindow, pGroup);
+        }
+#endif
+    }
+
+    virtual void set_title(const OUString& rTitle) override
+    {
+        ::set_title(m_pWindow, rTitle);
+    }
+
+    virtual OUString get_title() const override
+    {
+        return ::get_title(m_pWindow);
+    }
+
+    virtual css::uno::Reference<css::awt::XWindow> GetXWindow() override
+    {
+        if (!m_xWindow.is())
+            m_xWindow.set(new SalGtkXWindow(this, m_pWidget));
+        return m_xWindow;
+    }
+
+    virtual void set_modal(bool bModal) override
+    {
+        gtk_window_set_modal(m_pWindow, bModal);
+    }
+
+    virtual bool get_modal() const override
+    {
+        return gtk_window_get_modal(m_pWindow);
+    }
+
+    virtual void resize_to_request() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_window_set_default_size(m_pWindow, 1, 1);
+#else
+        gtk_window_resize(m_pWindow, 1, 1);
+#endif
+    }
+
+    virtual void window_move(int x, int y) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_window_move(m_pWindow, x, y);
+#else
+        (void)x;
+        (void)y;
+#endif
+    }
+
+    virtual SystemEnvData get_system_data() const override
+    {
+        GtkSalFrame* pFrame = GtkSalFrame::getFromWindow(GTK_WIDGET(m_pWindow));
+        assert(pFrame && "nothing should call this impl, yet anyway, if ever, except on result of GetFrameWeld()");
+        const SystemEnvData* pEnvData = pFrame->GetSystemData();
+        assert(pEnvData);
+        return *pEnvData;
+    }
+
+    virtual Size get_size() const override
+    {
+        int current_width, current_height;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_window_get_size(m_pWindow, &current_width, &current_height);
+#else
+        gtk_window_get_default_size(m_pWindow, &current_width, &current_height);
+#endif
+        return Size(current_width, current_height);
+    }
+
+    virtual Point get_position() const override
+    {
+        if (m_aPosWhileInvis)
+        {
+            assert(!get_visible());
+            return *m_aPosWhileInvis;
+        }
+
+        int current_x(0), current_y(0);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_window_get_position(m_pWindow, &current_x, &current_y);
+#endif
+        return Point(current_x, current_y);
+    }
+
+    virtual void show() override
+    {
+        m_aPosWhileInvis.reset();
+        GtkInstanceContainer::show();
+    }
+
+    virtual void hide() override
+    {
+        if (is_visible())
+            m_aPosWhileInvis = get_position();
+        GtkInstanceContainer::hide();
+    }
+
+    virtual AbsoluteScreenPixelRectangle get_monitor_workarea() const override
+    {
+        return ::get_monitor_workarea(GTK_WIDGET(m_pWindow));
+    }
+
+    virtual void set_centered_on_parent(bool bTrackGeometryRequests) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (bTrackGeometryRequests)
+            gtk_window_set_position(m_pWindow, GTK_WIN_POS_CENTER_ALWAYS);
+        else
+            gtk_window_set_position(m_pWindow, GTK_WIN_POS_CENTER_ON_PARENT);
+#else
+        (void)bTrackGeometryRequests;
+#endif
+    }
+
+    virtual bool get_resizable() const override
+    {
+        return gtk_window_get_resizable(m_pWindow);
+    }
+
+    virtual bool has_toplevel_focus() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_window_is_active(m_pWindow);
+#else
+        return gtk_window_has_toplevel_focus(m_pWindow);
+#endif
+    }
+
+    virtual void present() override
+    {
+        gtk_window_present(m_pWindow);
+    }
+
+    virtual void change_default_widget(weld::Widget* pOld, weld::Widget* pNew) override
+    {
+        GtkInstanceWidget* pGtkNew = dynamic_cast<GtkInstanceWidget*>(pNew);
+        GtkWidget* pWidgetNew = pGtkNew ? pGtkNew->getWidget() : nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_window_set_default_widget(m_pWindow, pWidgetNew);
+        (void)pOld;
+#else
+        GtkInstanceWidget* pGtkOld = dynamic_cast<GtkInstanceWidget*>(pOld);
+        GtkWidget* pWidgetOld = pGtkOld ? pGtkOld->getWidget() : nullptr;
+        if (pWidgetOld)
+            g_object_set(G_OBJECT(pWidgetOld), "has-default", false, nullptr);
+        else
+            recursively_unset_default_buttons();
+        if (pWidgetNew)
+            g_object_set(G_OBJECT(pWidgetNew), "has-default", true, nullptr);
+#endif
+    }
+
+    virtual bool is_default_widget(const weld::Widget* pCandidate) const override
+    {
+        const GtkInstanceWidget* pGtkCandidate = dynamic_cast<const GtkInstanceWidget*>(pCandidate);
+        GtkWidget* pWidget = pGtkCandidate ? pGtkCandidate->getWidget() : nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return pWidget && gtk_window_get_default_widget(m_pWindow) == pWidget;
+#else
+        gboolean has_default(false);
+        if (pWidget)
+            g_object_get(G_OBJECT(pWidget), "has-default", &has_default, nullptr);
+        return has_default;
+#endif
+    }
+
+    virtual void set_window_state(const OUString& rStr) override
+    {
+        const vcl::WindowData aData(rStr);
+        const auto nMask = aData.mask();
+        const auto nState = aData.state() & vcl::WindowState::SystemMask;
+
+        if ((nMask & vcl::WindowDataMask::Size) == vcl::WindowDataMask::Size)
+        {
+            gtk_window_set_default_size(m_pWindow, aData.width(), aData.height());
+        }
+        if (nMask & vcl::WindowDataMask::State)
+        {
+            if (nState & vcl::WindowState::Maximized)
+                gtk_window_maximize(m_pWindow);
+            else
+                gtk_window_unmaximize(m_pWindow);
+        }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (isPositioningAllowed() && ((nMask & vcl::WindowDataMask::Pos) == vcl::WindowDataMask::Pos))
+        {
+            gtk_window_move(m_pWindow, aData.x(), aData.y());
+        }
+#endif
+    }
+
+    virtual OUString get_window_state(vcl::WindowDataMask nMask) const override
+    {
+        bool bPositioningAllowed = isPositioningAllowed();
+
+        vcl::WindowData aData;
+        vcl::WindowDataMask nAvailable = vcl::WindowDataMask::State | vcl::WindowDataMask::Size;
+        if (bPositioningAllowed)
+            nAvailable |= vcl::WindowDataMask::Pos;
+        aData.setMask(nMask & nAvailable);
+
+        if (nMask & vcl::WindowDataMask::State)
+        {
+            vcl::WindowState nState = vcl::WindowState::Normal;
+            if (gtk_window_is_maximized(m_pWindow))
+                nState |= vcl::WindowState::Maximized;
+            aData.setState(nState);
+        }
+
+        if (bPositioningAllowed && (nMask & vcl::WindowDataMask::Pos))
+            aData.setPos(get_position());
+
+        if (nMask & vcl::WindowDataMask::Size)
+            aData.setSize(get_size());
+
+        return aData.toStr();
+    }
+
+    virtual void connect_container_focus_changed(const Link<Container&, void>& rLink) override
+    {
+        if (!m_nToplevelFocusChangedSignalId)
+            m_nToplevelFocusChangedSignalId = g_signal_connect(m_pWindow, "notify::has-toplevel-focus", G_CALLBACK(signalToplevelFocusChanged), this);
+        weld::Container::connect_container_focus_changed(rLink);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        if (m_nToplevelFocusChangedSignalId)
+            g_signal_handler_block(m_pWidget, m_nToplevelFocusChangedSignalId);
+        GtkInstanceContainer::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceContainer::enable_notify_events();
+        if (m_nToplevelFocusChangedSignalId)
+            g_signal_handler_unblock(m_pWidget, m_nToplevelFocusChangedSignalId);
+    }
+
+    virtual VclPtr<VirtualDevice> screenshot() override
+    {
+        // detect if we have to manually setup its size
+        bool bAlreadyRealized = gtk_widget_get_realized(GTK_WIDGET(m_pWindow));
+        // has to be visible for draw to work
+        bool bAlreadyVisible = gtk_widget_get_visible(GTK_WIDGET(m_pWindow));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!bAlreadyVisible)
+        {
+            if (GTK_IS_DIALOG(m_pWindow))
+                sort_native_button_order(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(m_pWindow))));
+            gtk_widget_show(GTK_WIDGET(m_pWindow));
+        }
+#endif
+
+        if (!bAlreadyRealized)
+        {
+            GtkAllocation allocation;
+            gtk_widget_realize(GTK_WIDGET(m_pWindow));
+            gtk_widget_get_allocation(GTK_WIDGET(m_pWindow), &allocation);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_size_allocate(GTK_WIDGET(m_pWindow), &allocation);
+#else
+            gtk_widget_size_allocate(GTK_WIDGET(m_pWindow), &allocation, 0);
+#endif
+        }
+
+        VclPtr<VirtualDevice> xOutput(VclPtr<VirtualDevice>::Create(DeviceFormat::WITHOUT_ALPHA));
+        xOutput->SetOutputSizePixel(get_size());
+        cairo_surface_t* pSurface = get_underlying_cairo_surface(*xOutput);
+        cairo_t* cr = cairo_create(pSurface);
+
+        Point aOffset = get_csd_offset(GTK_WIDGET(m_pWindow));
+
+        cairo_translate(cr, -aOffset.X(), -aOffset.Y());
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_draw(GTK_WIDGET(m_pWindow), cr);
+#else
+        GtkSnapshot* pSnapshot = gtk_snapshot_new();
+        GtkWidgetClass* pWidgetClass = GTK_WIDGET_GET_CLASS(GTK_WIDGET(m_pWindow));
+        pWidgetClass->snapshot(GTK_WIDGET(m_pWindow), pSnapshot);
+        GskRenderNode* pNode = gtk_snapshot_free_to_node(pSnapshot);
+        gsk_render_node_draw(pNode, cr);
+        gsk_render_node_unref(pNode);
+#endif
+
+        cairo_destroy(cr);
+
+        if (!bAlreadyVisible)
+            gtk_widget_hide(GTK_WIDGET(m_pWindow));
+        if (!bAlreadyRealized)
+            gtk_widget_unrealize(GTK_WIDGET(m_pWindow));
+
+        return xOutput;
+    }
+
+    virtual weld::ScreenShotCollection collect_screenshot_data() override
+    {
+        weld::ScreenShotCollection aRet;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pWindow));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            do_collect_screenshot_data(pChild, &aRet);
+        }
+#else
+        gtk_container_foreach(GTK_CONTAINER(m_pWindow), do_collect_screenshot_data, &aRet);
+#endif
+
+        return aRet;
+    }
+
+    virtual const vcl::ILibreOfficeKitNotifier* GetLOKNotifier() override
+    {
+        // dummy implementation
+        return nullptr;
+    }
+
+    virtual ~GtkInstanceWindow() override
+    {
+        if (m_nToplevelFocusChangedSignalId)
+            g_signal_handler_disconnect(m_pWindow, m_nToplevelFocusChangedSignalId);
+        if (m_xWindow.is())
+            m_xWindow->clear();
+    }
+};
+
+class GtkInstanceDialog;
+
+struct DialogRunner
+{
+    GtkWindow* m_pDialog;
+    GtkInstanceDialog *m_pInstance;
+    gint m_nResponseId;
+    GMainLoop *m_pLoop;
+    VclPtr<vcl::Window> m_xFrameWindow;
+    int m_nModalDepth;
+
+    DialogRunner(GtkWindow* pDialog, GtkInstanceDialog* pInstance)
+       : m_pDialog(pDialog)
+       , m_pInstance(pInstance)
+       , m_nResponseId(GTK_RESPONSE_NONE)
+       , m_pLoop(nullptr)
+       , m_nModalDepth(0)
+    {
+        GtkWindow* pParent = gtk_window_get_transient_for(m_pDialog);
+        GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(GTK_WIDGET(pParent)) : nullptr;
+        m_xFrameWindow = pFrame ? pFrame->GetWindow() : nullptr;
+    }
+
+    bool loop_is_running() const
+    {
+        return m_pLoop && g_main_loop_is_running(m_pLoop);
+    }
+
+    void loop_quit()
+    {
+        if (g_main_loop_is_running(m_pLoop))
+            g_main_loop_quit(m_pLoop);
+    }
+
+    static void signal_response(GtkDialog*, gint nResponseId, gpointer data);
+    static void signal_cancel(GtkAssistant*, gpointer data);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signal_delete(GtkDialog* pDialog, GdkEventAny*, gpointer data)
+    {
+        DialogRunner* pThis = static_cast<DialogRunner*>(data);
+        if (GTK_IS_ASSISTANT(pThis->m_pDialog))
+        {
+            // An assistant isn't a dialog, but we want to treat it like one
+            signal_response(pDialog, GTK_RESPONSE_DELETE_EVENT, data);
+        }
+        else
+            pThis->loop_quit();
+        return true; /* Do not destroy */
+    }
+#endif
+
+    static void signal_destroy(GtkDialog*, gpointer data)
+    {
+        DialogRunner* pThis = static_cast<DialogRunner*>(data);
+        pThis->loop_quit();
+    }
+
+    void inc_modal_count()
+    {
+        if (m_xFrameWindow)
+        {
+            m_xFrameWindow->IncModalCount();
+            if (m_nModalDepth == 0)
+                m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(true);
+            ++m_nModalDepth;
+        }
+    }
+
+    void dec_modal_count()
+    {
+        if (m_xFrameWindow)
+        {
+            m_xFrameWindow->DecModalCount();
+            --m_nModalDepth;
+            if (m_nModalDepth == 0)
+                m_xFrameWindow->ImplGetFrame()->NotifyModalHierarchy(false);
+        }
+    }
+
+    // same as gtk_dialog_run except that unmap doesn't auto-respond
+    // so we can hide the dialog and restore it without a response getting
+    // triggered
+    gint run()
+    {
+        g_object_ref(m_pDialog);
+
+        inc_modal_count();
+
+        bool bWasModal = gtk_window_get_modal(m_pDialog);
+        if (!bWasModal)
+            gtk_window_set_modal(m_pDialog, true);
+
+        if (!gtk_widget_get_visible(GTK_WIDGET(m_pDialog)))
+            gtk_widget_show(GTK_WIDGET(m_pDialog));
+
+        gulong nSignalResponseId = GTK_IS_DIALOG(m_pDialog) ? g_signal_connect(m_pDialog, "response", G_CALLBACK(signal_response), this) : 0;
+        gulong nSignalCancelId = GTK_IS_ASSISTANT(m_pDialog) ? g_signal_connect(m_pDialog, "cancel", G_CALLBACK(signal_cancel), this) : 0;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gulong nSignalDeleteId = g_signal_connect(m_pDialog, "delete-event", G_CALLBACK(signal_delete), this);
+#endif
+        gulong nSignalDestroyId = g_signal_connect(m_pDialog, "destroy", G_CALLBACK(signal_destroy), this);
+
+        m_pLoop = g_main_loop_new(nullptr, false);
+        m_nResponseId = GTK_RESPONSE_NONE;
+
+        main_loop_run(m_pLoop);
+
+        g_main_loop_unref(m_pLoop);
+
+        m_pLoop = nullptr;
+
+        if (!bWasModal)
+            gtk_window_set_modal(m_pDialog, false);
+
+        if (nSignalResponseId)
+            g_signal_handler_disconnect(m_pDialog, nSignalResponseId);
+        if (nSignalCancelId)
+            g_signal_handler_disconnect(m_pDialog, nSignalCancelId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pDialog, nSignalDeleteId);
+#endif
+        g_signal_handler_disconnect(m_pDialog, nSignalDestroyId);
+
+        dec_modal_count();
+
+        g_object_unref(m_pDialog);
+
+        return m_nResponseId;
+    }
+
+    ~DialogRunner()
+    {
+        if (m_xFrameWindow && m_nModalDepth)
+        {
+            // if, like the calc validation dialog does, the modality was
+            // toggled off during execution ensure that on cleanup the parent
+            // is left in the state it was found
+            while (m_nModalDepth++ < 0)
+                m_xFrameWindow->IncModalCount();
+        }
+    }
+};
+
+}
+
+typedef std::set<GtkWidget*> winset;
+
+namespace
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    void collectVisibleChildren(GtkWidget* pTop, winset& rVisibleWidgets)
+    {
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pTop);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (!gtk_widget_get_visible(pChild))
+                continue;
+            rVisibleWidgets.insert(pChild);
+            collectVisibleChildren(pChild, rVisibleWidgets);
+        }
+    }
+#endif
+
+    void hideUnless(GtkWidget* pTop, const winset& rVisibleWidgets,
+        std::vector<GtkWidget*> &rWasVisibleWidgets)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pTop);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (!gtk_widget_get_visible(pChild))
+                continue;
+            if (rVisibleWidgets.find(pChild) == rVisibleWidgets.end())
+            {
+                g_object_ref(pChild);
+                rWasVisibleWidgets.emplace_back(pChild);
+                gtk_widget_hide(pChild);
+            }
+            else
+            {
+                hideUnless(pChild, rVisibleWidgets, rWasVisibleWidgets);
+            }
+        }
+#else
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(pTop));
+        for (GList* pEntry = g_list_first(pChildren); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkWidget* pChild = static_cast<GtkWidget*>(pEntry->data);
+            if (!gtk_widget_get_visible(pChild))
+                continue;
+            if (rVisibleWidgets.find(pChild) == rVisibleWidgets.end())
+            {
+                g_object_ref(pChild);
+                rWasVisibleWidgets.emplace_back(pChild);
+                gtk_widget_hide(pChild);
+            }
+            else if (GTK_IS_CONTAINER(pChild))
+            {
+                hideUnless(pChild, rVisibleWidgets, rWasVisibleWidgets);
+            }
+        }
+        g_list_free(pChildren);
+#endif
+    }
+
+class GtkInstanceButton;
+
+class GtkInstanceDialog : public GtkInstanceWindow, public virtual weld::Dialog
+{
+private:
+    GtkWindow* m_pDialog;
+    DialogRunner m_aDialogRun;
+    std::shared_ptr<weld::DialogController> m_xDialogController;
+    // Used to keep ourself alive during a runAsync(when doing runAsync without a DialogController)
+    std::shared_ptr<weld::Dialog> m_xRunAsyncSelf;
+    std::function<void(sal_Int32)> m_aFunc;
+    gulong m_nCloseSignalId;
+    gulong m_nResponseSignalId;
+    gulong m_nCancelSignalId;
+    gulong m_nSignalDeleteId;
+
+    // for calc ref dialog that shrink to range selection widgets and resize back
+    GtkWidget* m_pRefEdit;
+    std::vector<GtkWidget*> m_aHiddenWidgets;    // vector of hidden Controls
+    int m_nOldEditWidth;  // Original width of the input field
+    int m_nOldEditWidthReq; // Original width request of the input field
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    int m_nOldBorderWidth; // border width for expanded dialog
+#endif
+
+    void signal_close()
+    {
+        close(true);
+    }
+
+    static void signalClose(GtkWidget*, gpointer widget)
+    {
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        pThis->signal_close();
+    }
+
+    static void signalAsyncResponse(GtkWidget*, gint ret, gpointer widget)
+    {
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        pThis->asyncresponse(ret);
+    }
+
+    static void signalAsyncCancel(GtkAssistant*, gpointer widget)
+    {
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        // make esc in an assistant act as if cancel button was pressed
+        pThis->close(false);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalAsyncDelete(GtkWidget* pDialog, GdkEventAny*, gpointer widget)
+    {
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        if (GTK_IS_ASSISTANT(pThis->m_pDialog))
+        {
+            // An assistant isn't a dialog, but we want to treat it like one
+            signalAsyncResponse(pDialog, GTK_RESPONSE_DELETE_EVENT, widget);
+        }
+        return true; /* Do not destroy */
+    }
+#endif
+
+    static int GtkToVcl(int ret)
+    {
+        if (ret == GTK_RESPONSE_OK)
+            ret = RET_OK;
+        else if (ret == GTK_RESPONSE_CANCEL)
+            ret = RET_CANCEL;
+        else if (ret == GTK_RESPONSE_DELETE_EVENT)
+            ret = RET_CANCEL;
+        else if (ret == GTK_RESPONSE_CLOSE)
+            ret = RET_CLOSE;
+        else if (ret == GTK_RESPONSE_YES)
+            ret = RET_YES;
+        else if (ret == GTK_RESPONSE_NO)
+            ret = RET_NO;
+        else if (ret == GTK_RESPONSE_HELP)
+            ret = RET_HELP;
+        return ret;
+    }
+
+    static int VclToGtk(int nResponse)
+    {
+        if (nResponse == RET_OK)
+            return GTK_RESPONSE_OK;
+        else if (nResponse == RET_CANCEL)
+            return GTK_RESPONSE_CANCEL;
+        else if (nResponse == RET_CLOSE)
+            return GTK_RESPONSE_CLOSE;
+        else if (nResponse == RET_YES)
+            return GTK_RESPONSE_YES;
+        else if (nResponse == RET_NO)
+            return GTK_RESPONSE_NO;
+        else if (nResponse == RET_HELP)
+            return GTK_RESPONSE_HELP;
+        return nResponse;
+    }
+
+    void asyncresponse(gint ret);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalActivate(GtkMenuItem*, gpointer data)
+    {
+        bool* pActivate = static_cast<bool*>(data);
+        *pActivate = true;
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool signal_screenshot_popup_menu(const GdkEventButton* pEvent)
+    {
+        GtkWidget *pMenu = gtk_menu_new();
+
+        GtkWidget* pMenuItem = gtk_menu_item_new_with_mnemonic(MapToGtkAccelerator(VclResId(SV_BUTTONTEXT_SCREENSHOT)).getStr());
+        gtk_menu_shell_append(GTK_MENU_SHELL(pMenu), pMenuItem);
+        bool bActivate(false);
+        g_signal_connect(pMenuItem, "activate", G_CALLBACK(signalActivate), &bActivate);
+        gtk_widget_show(pMenuItem);
+
+        int button, event_time;
+        if (pEvent)
+        {
+            button = pEvent->button;
+            event_time = pEvent->time;
+        }
+        else
+        {
+            button = 0;
+            event_time = gtk_get_current_event_time();
+        }
+
+        gtk_menu_attach_to_widget(GTK_MENU(pMenu), GTK_WIDGET(m_pDialog), nullptr);
+
+        GMainLoop* pLoop = g_main_loop_new(nullptr, true);
+        gulong nSignalId = g_signal_connect_swapped(G_OBJECT(pMenu), "deactivate", G_CALLBACK(g_main_loop_quit), pLoop);
+
+        gtk_menu_popup(GTK_MENU(pMenu), nullptr, nullptr, nullptr, nullptr, button, event_time);
+
+        if (g_main_loop_is_running(pLoop))
+            main_loop_run(pLoop);
+
+        g_main_loop_unref(pLoop);
+        g_signal_handler_disconnect(pMenu, nSignalId);
+        gtk_menu_detach(GTK_MENU(pMenu));
+
+        if (bActivate)
+        {
+            // open screenshot annotation dialog
+            VclAbstractDialogFactory* pFact = VclAbstractDialogFactory::Create();
+            VclPtr<AbstractScreenshotAnnotationDlg> xTmp = pFact->CreateScreenshotAnnotationDlg(*this);
+            ScopedVclPtr<AbstractScreenshotAnnotationDlg> xDialog(xTmp);
+            xDialog->Execute();
+        }
+
+        return false;
+    }
+#endif
+
+    static gboolean signalScreenshotPopupMenu(GtkWidget*, gpointer widget)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        return pThis->signal_screenshot_popup_menu(nullptr);
+#else
+        (void)widget;
+        return false;
+#endif
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalScreenshotButton(GtkWidget*, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceDialog* pThis = static_cast<GtkInstanceDialog*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_screenshot_button(pEvent);
+    }
+
+    bool signal_screenshot_button(GdkEventButton* pEvent)
+    {
+        if (gdk_event_triggers_context_menu(reinterpret_cast<GdkEvent*>(pEvent)) && pEvent->type == GDK_BUTTON_PRESS)
+        {
+            //if handled for context menu, stop processing
+            return signal_screenshot_popup_menu(pEvent);
+        }
+        return false;
+    }
+#endif
+
+public:
+    GtkInstanceDialog(GtkWindow* pDialog, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWindow(pDialog, pBuilder, bTakeOwnership)
+        , m_pDialog(pDialog)
+        , m_aDialogRun(pDialog, this)
+        , m_nResponseSignalId(0)
+        , m_nCancelSignalId(0)
+        , m_nSignalDeleteId(0)
+        , m_pRefEdit(nullptr)
+        , m_nOldEditWidth(0)
+        , m_nOldEditWidthReq(0)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nOldBorderWidth(0)
+#endif
+    {
+        if (GTK_IS_DIALOG(m_pDialog) || GTK_IS_ASSISTANT(m_pDialog))
+            m_nCloseSignalId = g_signal_connect(m_pDialog, "close", G_CALLBACK(signalClose), this);
+        else
+            m_nCloseSignalId = 0;
+        const bool bScreenshotMode(officecfg::Office::Common::Misc::ScreenshotMode::get());
+        if (bScreenshotMode)
+        {
+            g_signal_connect(m_pDialog, "popup-menu", G_CALLBACK(signalScreenshotPopupMenu), this);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_connect(m_pDialog, "button-press-event", G_CALLBACK(signalScreenshotButton), this);
+#endif
+        }
+    }
+
+    virtual bool runAsync(std::shared_ptr<weld::DialogController> rDialogController, const std::function<void(sal_Int32)>& func) override
+    {
+        assert(!m_nResponseSignalId && !m_nCancelSignalId && !m_nSignalDeleteId);
+
+        m_xDialogController = rDialogController;
+        m_aFunc = func;
+
+        if (get_modal())
+            m_aDialogRun.inc_modal_count();
+        show();
+
+        m_nResponseSignalId = GTK_IS_DIALOG(m_pDialog) ? g_signal_connect(m_pDialog, "response", G_CALLBACK(signalAsyncResponse), this) : 0;
+        m_nCancelSignalId = GTK_IS_ASSISTANT(m_pDialog) ? g_signal_connect(m_pDialog, "cancel", G_CALLBACK(signalAsyncCancel), this) : 0;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_nSignalDeleteId = g_signal_connect(m_pDialog, "delete-event", G_CALLBACK(signalAsyncDelete), this);
+#endif
+
+        return true;
+    }
+
+    virtual bool runAsync(std::shared_ptr<Dialog> const & rxSelf, const std::function<void(sal_Int32)>& func) override
+    {
+        assert( rxSelf.get() == this );
+        assert(!m_nResponseSignalId && !m_nCancelSignalId && !m_nSignalDeleteId);
+
+        // In order to store a shared_ptr to ourself, we have to have been constructed by make_shared,
+        // which is that rxSelf enforces.
+        m_xRunAsyncSelf = rxSelf;
+        m_aFunc = func;
+
+        if (get_modal())
+            m_aDialogRun.inc_modal_count();
+        show();
+
+        m_nResponseSignalId = GTK_IS_DIALOG(m_pDialog) ? g_signal_connect(m_pDialog, "response", G_CALLBACK(signalAsyncResponse), this) : 0;
+        m_nCancelSignalId = GTK_IS_ASSISTANT(m_pDialog) ? g_signal_connect(m_pDialog, "cancel", G_CALLBACK(signalAsyncCancel), this) : 0;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_nSignalDeleteId = g_signal_connect(m_pDialog, "delete-event", G_CALLBACK(signalAsyncDelete), this);
+#endif
+
+        return true;
+    }
+
+    GtkInstanceButton* has_click_handler(int nResponse);
+
+    virtual int run() override;
+
+    virtual void show() override
+    {
+        if (gtk_widget_get_visible(m_pWidget))
+            return;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_DIALOG(m_pDialog))
+            sort_native_button_order(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(m_pDialog))));
+#endif
+        GtkInstanceWindow::show();
+    }
+
+    virtual void set_modal(bool bModal) override
+    {
+        if (get_modal() == bModal)
+            return;
+        GtkInstanceWindow::set_modal(bModal);
+        /* if change the dialog modality while its running, then also change the parent LibreOffice window
+           modal count, we typically expect the dialog modality to be restored to its original state
+
+           This change modality while running case is for...
+
+           a) the calc/chart dialogs which put up an extra range chooser
+           dialog, hides the original, the user can select a range of cells and
+           on completion the original dialog is restored
+
+           b) the validity dialog in calc
+        */
+        // tdf#135567 we know we are running in the sync case if loop_is_running is true
+        // but for the async case we instead check for m_xDialogController which is set in
+        // runAsync and cleared in asyncresponse
+        if (m_aDialogRun.loop_is_running() || m_xDialogController)
+        {
+            if (bModal)
+                m_aDialogRun.inc_modal_count();
+            else
+                m_aDialogRun.dec_modal_count();
+        }
+    }
+
+    virtual void response(int nResponse) override;
+
+    virtual void add_button(const OUString& rText, int nResponse, const OUString& rHelpId) override
+    {
+        GtkWidget* pWidget = gtk_dialog_add_button(GTK_DIALOG(m_pDialog), MapToGtkAccelerator(rText).getStr(), VclToGtk(nResponse));
+        if (!rHelpId.isEmpty())
+            ::set_help_id(pWidget, rHelpId);
+    }
+
+    virtual void set_default_response(int nResponse) override
+    {
+        gtk_dialog_set_default_response(GTK_DIALOG(m_pDialog), VclToGtk(nResponse));
+    }
+
+    virtual GtkButton* get_widget_for_response(int nGtkResponse)
+    {
+        return GTK_BUTTON(gtk_dialog_get_widget_for_response(GTK_DIALOG(m_pDialog), nGtkResponse));
+    }
+
+    virtual weld::Button* weld_widget_for_response(int nVclResponse) override;
+
+    virtual Container* weld_content_area() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return new GtkInstanceContainer(GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(m_pDialog))), m_pBuilder, false);
+#else
+        return new GtkInstanceContainer(gtk_dialog_get_content_area(GTK_DIALOG(m_pDialog)), m_pBuilder, false);
+#endif
+    }
+
+    virtual void collapse(weld::Widget* pEdit, weld::Widget* pButton) override
+    {
+        GtkInstanceWidget* pVclEdit = dynamic_cast<GtkInstanceWidget*>(pEdit);
+        assert(pVclEdit);
+        GtkInstanceWidget* pVclButton = dynamic_cast<GtkInstanceWidget*>(pButton);
+
+        GtkWidget* pRefEdit = pVclEdit->getWidget();
+        GtkWidget* pRefBtn = pVclButton ? pVclButton->getWidget() : nullptr;
+
+        m_nOldEditWidth = gtk_widget_get_allocated_width(pRefEdit);
+
+        gtk_widget_get_size_request(pRefEdit, &m_nOldEditWidthReq, nullptr);
+
+        //We want just pRefBtn and pRefEdit to be shown
+        //mark widgets we want to be visible, starting with pRefEdit
+        //and all its direct parents.
+        winset aVisibleWidgets;
+        GtkWidget *pContentArea = gtk_dialog_get_content_area(GTK_DIALOG(m_pDialog));
+        for (GtkWidget *pCandidate = pRefEdit;
+            pCandidate && pCandidate != pContentArea && gtk_widget_get_visible(pCandidate);
+            pCandidate = gtk_widget_get_parent(pCandidate))
+        {
+            aVisibleWidgets.insert(pCandidate);
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        collectVisibleChildren(pRefEdit, aVisibleWidgets);
+#endif
+        if (pRefBtn)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            collectVisibleChildren(pRefBtn, aVisibleWidgets);
+#endif
+            //same again with pRefBtn, except stop if there's a
+            //shared parent in the existing widgets
+            for (GtkWidget *pCandidate = pRefBtn;
+                pCandidate && pCandidate != pContentArea && gtk_widget_get_visible(pCandidate);
+                pCandidate = gtk_widget_get_parent(pCandidate))
+            {
+                if (aVisibleWidgets.insert(pCandidate).second)
+                    break;
+            }
+        }
+
+        //hide everything except the aVisibleWidgets
+        hideUnless(pContentArea, aVisibleWidgets, m_aHiddenWidgets);
+        gtk_widget_set_size_request(pRefEdit, m_nOldEditWidth, -1);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_nOldBorderWidth = gtk_container_get_border_width(GTK_CONTAINER(m_pDialog));
+        gtk_container_set_border_width(GTK_CONTAINER(m_pDialog), 0);
+        if (GtkWidget* pActionArea = gtk_dialog_get_action_area(GTK_DIALOG(m_pDialog)))
+            gtk_widget_hide(pActionArea);
+        gtk_widget_show_all(pRefEdit);
+        if (pRefBtn)
+            gtk_widget_show_all(pRefBtn);
+#else
+        if (GtkWidget* pActionArea = gtk_dialog_get_header_bar(GTK_DIALOG(m_pDialog)))
+            gtk_widget_hide(pActionArea);
+#endif
+
+        // calc's insert->function is springing back to its original size if the ref-button
+        // is used to shrink the dialog down and then the user clicks in the calc area to do
+        // the selection
+        bool bWorkaroundSizeSpringingBack = DLSYM_GDK_IS_WAYLAND_DISPLAY(gtk_widget_get_display(m_pWidget));
+        if (bWorkaroundSizeSpringingBack)
+            gtk_widget_unmap(GTK_WIDGET(m_pDialog));
+
+        resize_to_request();
+
+        if (bWorkaroundSizeSpringingBack)
+            gtk_widget_map(GTK_WIDGET(m_pDialog));
+
+        m_pRefEdit = pRefEdit;
+    }
+
+    virtual void undo_collapse() override
+    {
+        // All others: Show();
+        for (GtkWidget* pWindow : m_aHiddenWidgets)
+        {
+            gtk_widget_show(pWindow);
+            g_object_unref(pWindow);
+        }
+        m_aHiddenWidgets.clear();
+
+        gtk_widget_set_size_request(m_pRefEdit, m_nOldEditWidthReq, -1);
+        m_pRefEdit = nullptr;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_set_border_width(GTK_CONTAINER(m_pDialog), m_nOldBorderWidth);
+        if (GtkWidget* pActionArea = gtk_dialog_get_action_area(GTK_DIALOG(m_pDialog)))
+            gtk_widget_show(pActionArea);
+#else
+        if (GtkWidget* pActionArea = gtk_dialog_get_header_bar(GTK_DIALOG(m_pDialog)))
+            gtk_widget_show(pActionArea);
+#endif
+        resize_to_request();
+        present();
+    }
+
+    void close(bool bCloseSignal);
+
+    virtual void SetInstallLOKNotifierHdl(const Link<void*, vcl::ILibreOfficeKitNotifier*>&) override
+    {
+        //not implemented for the gtk variant
+    }
+
+    virtual ~GtkInstanceDialog() override
+    {
+        if (!m_aHiddenWidgets.empty())
+        {
+            for (GtkWidget* pWindow : m_aHiddenWidgets)
+                g_object_unref(pWindow);
+            m_aHiddenWidgets.clear();
+        }
+
+        if (m_nCloseSignalId)
+            g_signal_handler_disconnect(m_pDialog, m_nCloseSignalId);
+        assert(!m_nResponseSignalId && !m_nCancelSignalId && !m_nSignalDeleteId);
+    }
+};
+
+}
+
+void DialogRunner::signal_response(GtkDialog*, gint nResponseId, gpointer data)
+{
+    DialogRunner* pThis = static_cast<DialogRunner*>(data);
+
+    // make GTK_RESPONSE_DELETE_EVENT act as if cancel button was pressed
+    if (nResponseId == GTK_RESPONSE_DELETE_EVENT)
+    {
+        pThis->m_pInstance->close(false);
+        return;
+    }
+
+    pThis->m_nResponseId = nResponseId;
+    pThis->loop_quit();
+}
+
+void DialogRunner::signal_cancel(GtkAssistant*, gpointer data)
+{
+    DialogRunner* pThis = static_cast<DialogRunner*>(data);
+
+    // make esc in an assistant act as if cancel button was pressed
+    pThis->m_pInstance->close(false);
+}
+
+namespace {
+
+class GtkInstanceMessageDialog : public GtkInstanceDialog, public virtual weld::MessageDialog
+{
+private:
+    GtkMessageDialog* m_pMessageDialog;
+public:
+    GtkInstanceMessageDialog(GtkMessageDialog* pMessageDialog, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceDialog(GTK_WINDOW(pMessageDialog), pBuilder, bTakeOwnership)
+        , m_pMessageDialog(pMessageDialog)
+    {
+    }
+
+    virtual void set_primary_text(const OUString& rText) override
+    {
+        ::set_primary_text(m_pMessageDialog, rText);
+    }
+
+    virtual OUString get_primary_text() const override
+    {
+        return ::get_primary_text(m_pMessageDialog);
+    }
+
+    virtual void set_secondary_text(const OUString& rText) override
+    {
+        ::set_secondary_text(m_pMessageDialog, rText);
+    }
+
+    virtual OUString get_secondary_text() const override
+    {
+        return ::get_secondary_text(m_pMessageDialog);
+    }
+
+    virtual Container* weld_message_area() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return new GtkInstanceContainer(GTK_CONTAINER(gtk_message_dialog_get_message_area(m_pMessageDialog)), m_pBuilder, false);
+#else
+        return new GtkInstanceContainer(gtk_message_dialog_get_message_area(m_pMessageDialog), m_pBuilder, false);
+#endif
+    }
+};
+
+void set_label_wrap(GtkLabel* pLabel, bool bWrap)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    gtk_label_set_wrap(pLabel, bWrap);
+#else
+    gtk_label_set_line_wrap(pLabel, bWrap);
+#endif
+}
+
+class GtkInstanceAssistant : public GtkInstanceDialog, public virtual weld::Assistant
+{
+private:
+    GtkAssistant* m_pAssistant;
+    GtkWidget* m_pSidebar;
+    GtkWidget* m_pSidebarEventBox;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkButtonBox* m_pButtonBox;
+#else
+    GtkBox* m_pButtonBox;
+    GtkEventController* m_pSidebarClickController;
+#endif
+    GtkButton* m_pHelp;
+    GtkButton* m_pBack;
+    GtkButton* m_pNext;
+    GtkButton* m_pFinish;
+    GtkButton* m_pCancel;
+    gulong m_nButtonPressSignalId;
+    std::vector<std::unique_ptr<GtkInstanceContainer>> m_aPages;
+    std::map<OUString, bool> m_aNotClickable;
+
+    int find_page(std::u16string_view ident) const
+    {
+        int nPages = gtk_assistant_get_n_pages(m_pAssistant);
+        for (int i = 0; i < nPages; ++i)
+        {
+            GtkWidget* pPage = gtk_assistant_get_nth_page(m_pAssistant, i);
+            OUString sBuildableName = ::get_buildable_id(GTK_BUILDABLE(pPage));
+            if (sBuildableName == ident)
+                return i;
+        }
+        return -1;
+    }
+
+    static void wrap_sidebar_label(GtkWidget *pWidget, gpointer /*user_data*/)
+    {
+        if (GTK_IS_LABEL(pWidget))
+        {
+            ::set_label_wrap(GTK_LABEL(pWidget), true);
+            gtk_label_set_width_chars(GTK_LABEL(pWidget), 22);
+            gtk_label_set_max_width_chars(GTK_LABEL(pWidget), 22);
+        }
+    }
+
+    static void find_sidebar(GtkWidget *pWidget, gpointer user_data)
+    {
+        OUString sBuildableName = ::get_buildable_id(GTK_BUILDABLE(pWidget));
+        if (sBuildableName == "sidebar")
+        {
+            GtkWidget **ppSidebar = static_cast<GtkWidget**>(user_data);
+            *ppSidebar = pWidget;
+        }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_CONTAINER(pWidget))
+            gtk_container_forall(GTK_CONTAINER(pWidget), find_sidebar, user_data);
+#endif
+    }
+
+    static void signalHelpClicked(GtkButton*, gpointer widget)
+    {
+        GtkInstanceAssistant* pThis = static_cast<GtkInstanceAssistant*>(widget);
+        pThis->signal_help_clicked();
+    }
+
+    void signal_help_clicked()
+    {
+        help();
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalButton(GtkGestureClick* /*pGesture*/, int /*n_press*/, gdouble x, gdouble y, gpointer widget)
+    {
+        GtkInstanceAssistant* pThis = static_cast<GtkInstanceAssistant*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_button(x, y);
+    }
+#else
+    static gboolean signalButton(GtkWidget*, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceAssistant* pThis = static_cast<GtkInstanceAssistant*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_button(pEvent->x, pEvent->y);
+    }
+#endif
+
+    bool signal_button(gtk_coord event_x, gtk_coord event_y)
+    {
+        int nNewCurrentPage = -1;
+
+        GtkAllocation allocation;
+
+        int nPageIndex = 0;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pWidget = gtk_widget_get_first_child(m_pSidebar);
+             pWidget; pWidget = gtk_widget_get_next_sibling(pWidget))
+        {
+#else
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(m_pSidebar));
+        for (GList* pChild = g_list_first(pChildren); pChild; pChild = g_list_next(pChild))
+        {
+            GtkWidget* pWidget = static_cast<GtkWidget*>(pChild->data);
+#endif
+            if (!gtk_widget_get_visible(pWidget))
+                continue;
+
+            gtk_widget_get_allocation(pWidget, &allocation);
+
+            gtk_coord dest_x1, dest_y1;
+            gtk_widget_translate_coordinates(pWidget,
+                                             m_pSidebarEventBox,
+                                             0,
+                                             0,
+                                             &dest_x1,
+                                             &dest_y1);
+
+            gtk_coord dest_x2, dest_y2;
+            gtk_widget_translate_coordinates(pWidget,
+                                             m_pSidebarEventBox,
+                                             allocation.width,
+                                             allocation.height,
+                                             &dest_x2,
+                                             &dest_y2);
+
+
+            if (event_x >= dest_x1 && event_x <= dest_x2 && event_y >= dest_y1 && event_y <= dest_y2)
+            {
+                nNewCurrentPage = nPageIndex;
+                break;
+            }
+
+            ++nPageIndex;
+        }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_list_free(pChildren);
+#endif
+
+        if (nNewCurrentPage != -1 && nNewCurrentPage != get_current_page())
+        {
+            OUString sIdent = get_page_ident(nNewCurrentPage);
+            if (!m_aNotClickable[sIdent] && !signal_jump_page(sIdent))
+                set_current_page(nNewCurrentPage);
+        }
+
+        return false;
+    }
+
+public:
+    GtkInstanceAssistant(GtkAssistant* pAssistant, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceDialog(GTK_WINDOW(pAssistant), pBuilder, bTakeOwnership)
+        , m_pAssistant(pAssistant)
+        , m_pSidebar(nullptr)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_pSidebarClickController(nullptr)
+#endif
+        , m_nButtonPressSignalId(0)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_pButtonBox = GTK_BUTTON_BOX(gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL));
+        gtk_button_box_set_layout(m_pButtonBox, GTK_BUTTONBOX_END);
+        gtk_box_set_spacing(GTK_BOX(m_pButtonBox), 6);
+#else
+        m_pButtonBox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6));
+#endif
+
+        m_pBack = GTK_BUTTON(gtk_button_new_with_mnemonic(MapToGtkAccelerator(GetStandardText(StandardButtonType::Back)).getStr()));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_can_default(GTK_WIDGET(m_pBack), true);
+#endif
+        ::set_buildable_id(GTK_BUILDABLE(m_pBack), "previous");
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pBack));
+#else
+        gtk_box_pack_end(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pBack), false, false, 0);
+#endif
+
+        m_pNext = GTK_BUTTON(gtk_button_new_with_mnemonic(MapToGtkAccelerator(GetStandardText(StandardButtonType::Next)).getStr()));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_can_default(GTK_WIDGET(m_pNext), true);
+#endif
+        ::set_buildable_id(GTK_BUILDABLE(m_pNext), "next");
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pNext));
+#else
+        gtk_box_pack_end(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pNext), false, false, 0);
+#endif
+
+        m_pCancel = GTK_BUTTON(gtk_button_new_with_mnemonic(MapToGtkAccelerator(GetStandardText(StandardButtonType::Cancel)).getStr()));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_can_default(GTK_WIDGET(m_pCancel), true);
+#endif
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pCancel));
+#else
+        gtk_box_pack_end(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pCancel), false, false, 0);
+#endif
+
+        m_pFinish = GTK_BUTTON(gtk_button_new_with_mnemonic(MapToGtkAccelerator(GetStandardText(StandardButtonType::Finish)).getStr()));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_can_default(GTK_WIDGET(m_pFinish), true);
+#endif
+        ::set_buildable_id(GTK_BUILDABLE(m_pFinish), "finish");
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pFinish));
+#else
+        gtk_box_pack_end(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pFinish), false, false, 0);
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        m_pHelp = GTK_BUTTON(gtk_button_new_from_icon_name("help-browser-symbolic"));
+#else
+        m_pHelp = GTK_BUTTON(gtk_button_new_with_mnemonic(MapToGtkAccelerator(GetStandardText(StandardButtonType::Help)).getStr()));
+#endif
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_can_default(GTK_WIDGET(m_pHelp), true);
+#endif
+        g_signal_connect(m_pHelp, "clicked", G_CALLBACK(signalHelpClicked), this);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_prepend(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pHelp));
+        gtk_widget_set_hexpand(GTK_WIDGET(m_pHelp), true);
+        gtk_widget_set_halign(GTK_WIDGET(m_pHelp), GTK_ALIGN_START);
+#else
+        gtk_box_pack_end(GTK_BOX(m_pButtonBox), GTK_WIDGET(m_pHelp), false, false, 0);
+#endif
+
+        gtk_assistant_add_action_widget(pAssistant, GTK_WIDGET(m_pButtonBox));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_button_box_set_child_secondary(m_pButtonBox, GTK_WIDGET(m_pHelp), true);
+#endif
+        gtk_widget_set_hexpand(GTK_WIDGET(m_pButtonBox), true);
+
+        GtkWidget* pParent = gtk_widget_get_parent(GTK_WIDGET(m_pButtonBox));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_child_set(GTK_CONTAINER(pParent), GTK_WIDGET(m_pButtonBox), "expand", true, "fill", true, nullptr);
+#endif
+        gtk_widget_set_halign(pParent, GTK_ALIGN_FILL);
+
+        // Hide the built-in ones early so we get a nice optimal size for the width without
+        // including the unused contents
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pChild = gtk_widget_get_first_child(pParent);
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            gtk_widget_hide(pChild);
+        }
+#else
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(pParent));
+        for (GList* pChild = g_list_first(pChildren); pChild; pChild = g_list_next(pChild))
+        {
+            GtkWidget* pWidget = static_cast<GtkWidget*>(pChild->data);
+            gtk_widget_hide(pWidget);
+        }
+        g_list_free(pChildren);
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_show_all(GTK_WIDGET(m_pButtonBox));
+#else
+        gtk_widget_show(GTK_WIDGET(m_pButtonBox));
+#endif
+
+        find_sidebar(GTK_WIDGET(m_pAssistant), &m_pSidebar);
+
+        m_pSidebarEventBox = ::ensureEventWidget(m_pSidebar);
+        if (m_pSidebarEventBox)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            GtkGesture *pClick = gtk_gesture_click_new();
+            gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(pClick), 0);
+            m_pSidebarClickController = GTK_EVENT_CONTROLLER(pClick);
+            gtk_widget_add_controller(m_pSidebarEventBox, m_pSidebarClickController);
+            m_nButtonPressSignalId = g_signal_connect(m_pSidebarClickController, "pressed", G_CALLBACK(signalButton), this);
+#else
+            m_nButtonPressSignalId = g_signal_connect(m_pSidebarEventBox, "button-press-event", G_CALLBACK(signalButton), this);
+#endif
+        }
+    }
+
+    virtual int get_current_page() const override
+    {
+        return gtk_assistant_get_current_page(m_pAssistant);
+    }
+
+    virtual int get_n_pages() const override
+    {
+        return gtk_assistant_get_n_pages(m_pAssistant);
+    }
+
+    virtual OUString get_page_ident(int nPage) const override
+    {
+        const GtkWidget* pWidget = gtk_assistant_get_nth_page(m_pAssistant, nPage);
+        return ::get_buildable_id(GTK_BUILDABLE(pWidget));
+    }
+
+    virtual OUString get_current_page_ident() const override
+    {
+        return get_page_ident(get_current_page());
+    }
+
+    virtual void set_current_page(int nPage) override
+    {
+        OString sDialogTitle(gtk_window_get_title(GTK_WINDOW(m_pAssistant)));
+
+        gtk_assistant_set_current_page(m_pAssistant, nPage);
+
+        // if the page doesn't have a title, then the dialog will now have no
+        // title, so restore the original title as a fallback
+        GtkWidget* pPage = gtk_assistant_get_nth_page(m_pAssistant, nPage);
+        if (!gtk_assistant_get_page_title(m_pAssistant, pPage))
+            gtk_window_set_title(GTK_WINDOW(m_pAssistant), sDialogTitle.getStr());
+    }
+
+    virtual void set_current_page(const OUString& rIdent) override
+    {
+        int nPage = find_page(rIdent);
+        if (nPage == -1)
+            return;
+        set_current_page(nPage);
+    }
+
+    virtual void set_page_title(const OUString& rIdent, const OUString& rTitle) override
+    {
+        int nIndex = find_page(rIdent);
+        if (nIndex == -1)
+            return;
+        GtkWidget* pPage = gtk_assistant_get_nth_page(m_pAssistant, nIndex);
+        gtk_assistant_set_page_title(m_pAssistant, pPage,
+                                     OUStringToOString(rTitle, RTL_TEXTENCODING_UTF8).getStr());
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_forall(GTK_CONTAINER(m_pSidebar), wrap_sidebar_label, nullptr);
+#endif
+    }
+
+    virtual OUString get_page_title(const OUString& rIdent) const override
+    {
+        int nIndex = find_page(rIdent);
+        if (nIndex == -1)
+            return OUString();
+        GtkWidget* pPage = gtk_assistant_get_nth_page(m_pAssistant, nIndex);
+        const gchar* pStr = gtk_assistant_get_page_title(m_pAssistant, pPage);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual void set_page_sensitive(const OUString& rIdent, bool bSensitive) override
+    {
+        m_aNotClickable[rIdent] = !bSensitive;
+    }
+
+    virtual void set_page_index(const OUString& rIdent, int nNewIndex) override
+    {
+        int nOldIndex = find_page(rIdent);
+        if (nOldIndex == -1)
+            return;
+
+        if (nOldIndex == nNewIndex)
+            return;
+
+        GtkWidget* pPage = gtk_assistant_get_nth_page(m_pAssistant, nOldIndex);
+
+        g_object_ref(pPage);
+        std::optional<OString> sTitle;
+        if (auto const title = gtk_assistant_get_page_title(m_pAssistant, pPage)) {
+            sTitle = title;
+        }
+        gtk_assistant_remove_page(m_pAssistant, nOldIndex);
+        gtk_assistant_insert_page(m_pAssistant, pPage, nNewIndex);
+        gtk_assistant_set_page_type(m_pAssistant, pPage, GTK_ASSISTANT_PAGE_CUSTOM);
+        gtk_assistant_set_page_title(m_pAssistant, pPage, sTitle ? sTitle->getStr() : nullptr);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_forall(GTK_CONTAINER(m_pSidebar), wrap_sidebar_label, nullptr);
+#endif
+        g_object_unref(pPage);
+    }
+
+    virtual weld::Container* append_page(const OUString& rIdent) override
+    {
+        disable_notify_events();
+
+        GtkWidget *pChild = gtk_grid_new();
+        ::set_buildable_id(GTK_BUILDABLE(pChild), rIdent);
+        gtk_assistant_append_page(m_pAssistant, pChild);
+        gtk_assistant_set_page_type(m_pAssistant, pChild, GTK_ASSISTANT_PAGE_CUSTOM);
+        gtk_widget_show(pChild);
+
+        enable_notify_events();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_aPages.emplace_back(new GtkInstanceContainer(GTK_CONTAINER(pChild), m_pBuilder, false));
+#else
+        m_aPages.emplace_back(new GtkInstanceContainer(pChild, m_pBuilder, false));
+#endif
+
+        return m_aPages.back().get();
+    }
+
+    virtual void set_page_side_help_id(const OUString& rHelpId) override
+    {
+        if (!m_pSidebar)
+            return;
+        ::set_help_id(m_pSidebar, rHelpId);
+    }
+
+    virtual GtkButton* get_widget_for_response(int nGtkResponse) override
+    {
+        GtkButton* pButton = nullptr;
+        if (nGtkResponse == GTK_RESPONSE_YES)
+            pButton = m_pNext;
+        else if (nGtkResponse == GTK_RESPONSE_NO)
+            pButton = m_pBack;
+        else if (nGtkResponse == GTK_RESPONSE_OK)
+            pButton = m_pFinish;
+        else if (nGtkResponse == GTK_RESPONSE_CANCEL)
+            pButton = m_pCancel;
+        else if (nGtkResponse == GTK_RESPONSE_HELP)
+            pButton = m_pHelp;
+        return pButton;
+    }
+
+    virtual void set_page_side_image(const OUString& /*rImage*/) override
+    {
+        // Since GTK+ 3.2, sidebar images are not shown anymore
+    }
+
+    virtual ~GtkInstanceAssistant() override
+    {
+        if (m_nButtonPressSignalId)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            g_signal_handler_disconnect(m_pSidebarClickController, m_nButtonPressSignalId);
+#else
+            g_signal_handler_disconnect(m_pSidebarEventBox, m_nButtonPressSignalId);
+#endif
+        }
+    }
+};
+
+class GtkInstanceFrame : public GtkInstanceContainer, public virtual weld::Frame
+{
+private:
+    GtkFrame* m_pFrame;
+public:
+    GtkInstanceFrame(GtkFrame* pFrame, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pFrame), pBuilder, bTakeOwnership)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pFrame), pBuilder, bTakeOwnership)
+#endif
+        , m_pFrame(pFrame)
+    {
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        gtk_label_set_label(GTK_LABEL(gtk_frame_get_label_widget(m_pFrame)), rText.replaceFirst("~", "").toUtf8().getStr());
+    }
+
+    virtual OUString get_label() const override
+    {
+        const gchar* pStr = gtk_frame_get_label(m_pFrame);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual std::unique_ptr<weld::Label> weld_label_widget() const override;
+};
+
+class GtkInstancePaned : public GtkInstanceContainer, public virtual weld::Paned
+{
+private:
+    GtkPaned* m_pPaned;
+public:
+    GtkInstancePaned(GtkPaned* pPaned, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pPaned), pBuilder, bTakeOwnership)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pPaned), pBuilder, bTakeOwnership)
+#endif
+        , m_pPaned(pPaned)
+    {
+    }
+
+    virtual void set_position(int nPos) override
+    {
+        gtk_paned_set_position(m_pPaned, nPos);
+    }
+
+    virtual int get_position() const override
+    {
+        return gtk_paned_get_position(m_pPaned);
+    }
+};
+
+}
+
+static GType immobilized_viewport_get_type();
+static gpointer immobilized_viewport_parent_class;
+
+#ifndef NDEBUG
+#   define IMMOBILIZED_TYPE_VIEWPORT         (immobilized_viewport_get_type())
+#   define IMMOBILIZED_IS_VIEWPORT(obj)      (G_TYPE_CHECK_INSTANCE_TYPE((obj), IMMOBILIZED_TYPE_VIEWPORT))
+#endif
+
+namespace {
+
+struct ImmobilizedViewportPrivate
+{
+    GtkAdjustment  *hadjustment;
+    GtkAdjustment  *vadjustment;
+};
+
+}
+
+#define IMMOBILIZED_VIEWPORT_PRIVATE_DATA "ImmobilizedViewportPrivateData"
+
+enum
+{
+    PROP_0,
+    PROP_HADJUSTMENT,
+    PROP_VADJUSTMENT,
+    PROP_HSCROLL_POLICY,
+    PROP_VSCROLL_POLICY,
+    PROP_SHADOW_TYPE
+};
+
+static void viewport_set_adjustment(GtkViewport *viewport,
+                                    GtkOrientation  orientation,
+                                    GtkAdjustment  *adjustment)
+{
+    ImmobilizedViewportPrivate* priv =
+        static_cast<ImmobilizedViewportPrivate*>(g_object_get_data(G_OBJECT(viewport),
+                                                                   IMMOBILIZED_VIEWPORT_PRIVATE_DATA));
+
+    if (!adjustment)
+        adjustment = gtk_adjustment_new(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+    if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    {
+        if (priv->hadjustment)
+            g_object_unref(priv->hadjustment);
+        priv->hadjustment = adjustment;
+    }
+    else
+    {
+        if (priv->vadjustment)
+            g_object_unref(priv->vadjustment);
+        priv->vadjustment = adjustment;
+    }
+
+    g_object_ref_sink(adjustment);
+}
+
+static void
+immobilized_viewport_set_property(GObject* object,
+                                  guint prop_id,
+                                  const GValue* value,
+                                  GParamSpec* /*pspec*/)
+{
+    GtkViewport *viewport = GTK_VIEWPORT(object);
+
+    switch (prop_id)
+    {
+        case PROP_HADJUSTMENT:
+            viewport_set_adjustment(viewport, GTK_ORIENTATION_HORIZONTAL, GTK_ADJUSTMENT(g_value_get_object(value)));
+            break;
+        case PROP_VADJUSTMENT:
+            viewport_set_adjustment(viewport, GTK_ORIENTATION_VERTICAL, GTK_ADJUSTMENT(g_value_get_object(value)));
+            break;
+        case PROP_HSCROLL_POLICY:
+        case PROP_VSCROLL_POLICY:
+            break;
+        default:
+            SAL_WARN( "vcl.gtk", "unknown property\n");
+            break;
+    }
+}
+
+static void
+immobilized_viewport_get_property(GObject* object,
+                                  guint prop_id,
+                                  GValue* value,
+                                  GParamSpec* /*pspec*/)
+{
+    ImmobilizedViewportPrivate* priv =
+        static_cast<ImmobilizedViewportPrivate*>(g_object_get_data(object,
+                                                                   IMMOBILIZED_VIEWPORT_PRIVATE_DATA));
+
+    switch (prop_id)
+    {
+        case PROP_HADJUSTMENT:
+            g_value_set_object(value, priv->hadjustment);
+            break;
+        case PROP_VADJUSTMENT:
+            g_value_set_object(value, priv->vadjustment);
+            break;
+        case PROP_HSCROLL_POLICY:
+            g_value_set_enum(value, GTK_SCROLL_MINIMUM);
+            break;
+        case PROP_VSCROLL_POLICY:
+            g_value_set_enum(value, GTK_SCROLL_MINIMUM);
+            break;
+        default:
+            SAL_WARN( "vcl.gtk", "unknown property\n");
+            break;
+    }
+}
+
+static ImmobilizedViewportPrivate*
+immobilized_viewport_new_private_data()
+{
+    ImmobilizedViewportPrivate* priv = g_slice_new0(ImmobilizedViewportPrivate);
+    priv->hadjustment = nullptr;
+    priv->vadjustment = nullptr;
+    return priv;
+}
+
+static void
+immobilized_viewport_instance_init(GTypeInstance *instance, gpointer /*klass*/)
+{
+    GObject* object = G_OBJECT(instance);
+    g_object_set_data(object, IMMOBILIZED_VIEWPORT_PRIVATE_DATA,
+                      immobilized_viewport_new_private_data());
+}
+
+static void
+immobilized_viewport_finalize(GObject* object)
+{
+    void* priv = g_object_get_data(object, IMMOBILIZED_VIEWPORT_PRIVATE_DATA);
+    if (priv)
+    {
+        g_slice_free(ImmobilizedViewportPrivate, priv);
+        g_object_set_data(object, IMMOBILIZED_VIEWPORT_PRIVATE_DATA, nullptr);
+    }
+    G_OBJECT_CLASS(immobilized_viewport_parent_class)->finalize(object);
+}
+
+static void immobilized_viewport_class_init(GtkWidgetClass* klass)
+{
+    immobilized_viewport_parent_class = g_type_class_peek_parent(klass);
+
+    GObjectClass* o_class = G_OBJECT_CLASS(klass);
+
+    /* GObject signals */
+    o_class->finalize = immobilized_viewport_finalize;
+    o_class->set_property = immobilized_viewport_set_property;
+    o_class->get_property = immobilized_viewport_get_property;
+
+    /* Properties */
+    g_object_class_override_property(o_class, PROP_HADJUSTMENT,    "hadjustment");
+    g_object_class_override_property(o_class, PROP_VADJUSTMENT,    "vadjustment");
+    g_object_class_override_property(o_class, PROP_HSCROLL_POLICY, "hscroll-policy");
+    g_object_class_override_property(o_class, PROP_VSCROLL_POLICY, "vscroll-policy");
+}
+
+GType immobilized_viewport_get_type()
+{
+    static GType type = 0;
+
+    if (!type)
+    {
+        GTypeQuery query;
+        g_type_query(gtk_viewport_get_type(), &query);
+
+        static const GTypeInfo tinfo =
+        {
+            static_cast<guint16>(query.class_size),
+            nullptr,  /* base init */
+            nullptr,  /* base finalize */
+            reinterpret_cast<GClassInitFunc>(immobilized_viewport_class_init), /* class init */
+            nullptr,  /* class finalize */
+            nullptr,  /* class data */
+            static_cast<guint16>(query.instance_size), /* instance size */
+            0,        /* nb preallocs */
+            immobilized_viewport_instance_init,  /* instance init */
+            nullptr   /* value table */
+        };
+
+        type = g_type_register_static(GTK_TYPE_VIEWPORT, "ImmobilizedViewport",
+                                      &tinfo, GTypeFlags(0));
+    }
+
+    return type;
+}
+
+static VclPolicyType GtkToVcl(GtkPolicyType eType)
+{
+    VclPolicyType eRet(VclPolicyType::NEVER);
+    switch (eType)
+    {
+        case GTK_POLICY_ALWAYS:
+            eRet = VclPolicyType::ALWAYS;
+            break;
+        case GTK_POLICY_AUTOMATIC:
+            eRet = VclPolicyType::AUTOMATIC;
+            break;
+        case GTK_POLICY_EXTERNAL:
+        case GTK_POLICY_NEVER:
+            eRet = VclPolicyType::NEVER;
+            break;
+    }
+    return eRet;
+}
+
+static GtkPolicyType VclToGtk(VclPolicyType eType)
+{
+    GtkPolicyType eRet(GTK_POLICY_ALWAYS);
+    switch (eType)
+    {
+        case VclPolicyType::ALWAYS:
+            eRet = GTK_POLICY_ALWAYS;
+            break;
+        case VclPolicyType::AUTOMATIC:
+            eRet = GTK_POLICY_AUTOMATIC;
+            break;
+        case VclPolicyType::NEVER:
+            eRet = GTK_POLICY_NEVER;
+            break;
+    }
+    return eRet;
+}
+
+static GtkMessageType VclToGtk(VclMessageType eType)
+{
+    GtkMessageType eRet(GTK_MESSAGE_INFO);
+    switch (eType)
+    {
+        case VclMessageType::Info:
+            eRet = GTK_MESSAGE_INFO;
+            break;
+        case VclMessageType::Warning:
+            eRet = GTK_MESSAGE_WARNING;
+            break;
+        case VclMessageType::Question:
+            eRet = GTK_MESSAGE_QUESTION;
+            break;
+        case VclMessageType::Error:
+            eRet = GTK_MESSAGE_ERROR;
+            break;
+        case VclMessageType::Other:
+            eRet = GTK_MESSAGE_OTHER;
+            break;
+    }
+    return eRet;
+}
+
+static GtkButtonsType VclToGtk(VclButtonsType eType)
+{
+    GtkButtonsType eRet(GTK_BUTTONS_NONE);
+    switch (eType)
+    {
+        case VclButtonsType::NONE:
+            eRet = GTK_BUTTONS_NONE;
+            break;
+        case VclButtonsType::Ok:
+            eRet = GTK_BUTTONS_OK;
+            break;
+        case VclButtonsType::Close:
+            eRet = GTK_BUTTONS_CLOSE;
+            break;
+        case VclButtonsType::Cancel:
+            eRet = GTK_BUTTONS_CANCEL;
+            break;
+        case VclButtonsType::YesNo:
+            eRet = GTK_BUTTONS_YES_NO;
+            break;
+        case VclButtonsType::OkCancel:
+            eRet = GTK_BUTTONS_OK_CANCEL;
+            break;
+    }
+    return eRet;
+}
+
+static GtkSelectionMode VclToGtk(SelectionMode eType)
+{
+    GtkSelectionMode eRet(GTK_SELECTION_NONE);
+    switch (eType)
+    {
+        case SelectionMode::NONE:
+            eRet = GTK_SELECTION_NONE;
+            break;
+        case SelectionMode::Single:
+            eRet = GTK_SELECTION_SINGLE;
+            break;
+        case SelectionMode::Range:
+            eRet = GTK_SELECTION_BROWSE;
+            break;
+        case SelectionMode::Multiple:
+            eRet = GTK_SELECTION_MULTIPLE;
+            break;
+    }
+    return eRet;
+}
+
+namespace {
+
+class GtkInstanceScrolledWindow final : public GtkInstanceContainer, public virtual weld::ScrolledWindow
+{
+private:
+    GtkScrolledWindow* m_pScrolledWindow;
+    GtkWidget *m_pOrigViewport;
+    GtkCssProvider* m_pScrollBarCssProvider;
+    GtkAdjustment* m_pVAdjustment;
+    GtkAdjustment* m_pHAdjustment;
+    gulong m_nVAdjustChangedSignalId;
+    gulong m_nHAdjustChangedSignalId;
+
+    static void signalVAdjustValueChanged(GtkAdjustment*, gpointer widget)
+    {
+        GtkInstanceScrolledWindow* pThis = static_cast<GtkInstanceScrolledWindow*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_vadjustment_changed();
+    }
+
+    static void signalHAdjustValueChanged(GtkAdjustment*, gpointer widget)
+    {
+        GtkInstanceScrolledWindow* pThis = static_cast<GtkInstanceScrolledWindow*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_hadjustment_changed();
+    }
+
+public:
+    GtkInstanceScrolledWindow(GtkScrolledWindow* pScrolledWindow, GtkInstanceBuilder* pBuilder, bool bTakeOwnership, bool bUserManagedScrolling)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pScrolledWindow), pBuilder, bTakeOwnership)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pScrolledWindow), pBuilder, bTakeOwnership)
+#endif
+        , m_pScrolledWindow(pScrolledWindow)
+        , m_pOrigViewport(nullptr)
+        , m_pScrollBarCssProvider(nullptr)
+        , m_pVAdjustment(gtk_scrolled_window_get_vadjustment(m_pScrolledWindow))
+        , m_pHAdjustment(gtk_scrolled_window_get_hadjustment(m_pScrolledWindow))
+        , m_nVAdjustChangedSignalId(g_signal_connect(m_pVAdjustment, "value-changed", G_CALLBACK(signalVAdjustValueChanged), this))
+        , m_nHAdjustChangedSignalId(g_signal_connect(m_pHAdjustment, "value-changed", G_CALLBACK(signalHAdjustValueChanged), this))
+    {
+        if (bUserManagedScrolling)
+            set_user_managed_scrolling();
+    }
+
+    void set_user_managed_scrolling()
+    {
+        disable_notify_events();
+        //remove the original viewport and replace it with our bodged one which
+        //doesn't do any scrolling and expects its child to figure it out somehow
+        assert(!m_pOrigViewport);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget *pViewport = gtk_scrolled_window_get_child(m_pScrolledWindow);
+#else
+        GtkWidget *pViewport = gtk_bin_get_child(GTK_BIN(m_pScrolledWindow));
+#endif
+        assert(GTK_IS_VIEWPORT(pViewport));
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget *pChild= gtk_viewport_get_child(GTK_VIEWPORT(pViewport));
+#else
+        GtkWidget *pChild = gtk_bin_get_child(GTK_BIN(pViewport));
+#endif
+        g_object_ref(pChild);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_viewport_set_child(GTK_VIEWPORT(pViewport), nullptr);
+#else
+        gtk_container_remove(GTK_CONTAINER(pViewport), pChild);
+#endif
+        g_object_ref(pViewport);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_scrolled_window_set_child(m_pScrolledWindow, nullptr);
+#else
+        gtk_container_remove(GTK_CONTAINER(m_pScrolledWindow), pViewport);
+#endif
+        GtkWidget* pNewViewport = GTK_WIDGET(g_object_new(immobilized_viewport_get_type(), nullptr));
+        gtk_widget_show(pNewViewport);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_scrolled_window_set_child(m_pScrolledWindow, pNewViewport);
+        gtk_viewport_set_child(GTK_VIEWPORT(pNewViewport), pChild);
+#else
+        gtk_container_add(GTK_CONTAINER(m_pScrolledWindow), pNewViewport);
+        gtk_container_add(GTK_CONTAINER(pNewViewport), pChild);
+#endif
+        g_object_unref(pChild);
+        m_pOrigViewport = pViewport;
+        enable_notify_events();
+    }
+
+    virtual void hadjustment_configure(int value, int lower, int upper,
+                                       int step_increment, int page_increment,
+                                       int page_size) override
+    {
+        disable_notify_events();
+        if (SwapForRTL())
+            value = upper - (value - lower + page_size);
+        gtk_adjustment_configure(m_pHAdjustment, value, lower, upper, step_increment, page_increment, page_size);
+        enable_notify_events();
+    }
+
+    virtual int hadjustment_get_value() const override
+    {
+        int value = gtk_adjustment_get_value(m_pHAdjustment);
+
+        if (SwapForRTL())
+        {
+            int upper = gtk_adjustment_get_upper(m_pHAdjustment);
+            int lower = gtk_adjustment_get_lower(m_pHAdjustment);
+            int page_size = gtk_adjustment_get_page_size(m_pHAdjustment);
+            value = lower + (upper - value - page_size);
+        }
+
+        return value;
+    }
+
+    virtual void hadjustment_set_value(int value) override
+    {
+        disable_notify_events();
+
+        if (SwapForRTL())
+        {
+            int upper = gtk_adjustment_get_upper(m_pHAdjustment);
+            int lower = gtk_adjustment_get_lower(m_pHAdjustment);
+            int page_size = gtk_adjustment_get_page_size(m_pHAdjustment);
+            value = upper - (value - lower + page_size);
+        }
+
+        gtk_adjustment_set_value(m_pHAdjustment, value);
+        enable_notify_events();
+    }
+
+    virtual int hadjustment_get_upper() const override
+    {
+         return gtk_adjustment_get_upper(m_pHAdjustment);
+    }
+
+    virtual void hadjustment_set_upper(int upper) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_upper(m_pHAdjustment, upper);
+        enable_notify_events();
+    }
+
+    virtual int hadjustment_get_page_size() const override
+    {
+        return gtk_adjustment_get_page_size(m_pHAdjustment);
+    }
+
+    virtual void hadjustment_set_page_size(int size) override
+    {
+        gtk_adjustment_set_page_size(m_pHAdjustment, size);
+    }
+
+    virtual void hadjustment_set_page_increment(int size) override
+    {
+        gtk_adjustment_set_page_increment(m_pHAdjustment, size);
+    }
+
+    virtual void hadjustment_set_step_increment(int size) override
+    {
+        gtk_adjustment_set_step_increment(m_pHAdjustment, size);
+    }
+
+    virtual void set_hpolicy(VclPolicyType eHPolicy) override
+    {
+        GtkPolicyType eGtkVPolicy;
+        gtk_scrolled_window_get_policy(m_pScrolledWindow, nullptr, &eGtkVPolicy);
+        gtk_scrolled_window_set_policy(m_pScrolledWindow, VclToGtk(eHPolicy), eGtkVPolicy);
+    }
+
+    virtual VclPolicyType get_hpolicy() const override
+    {
+        GtkPolicyType eGtkHPolicy;
+        gtk_scrolled_window_get_policy(m_pScrolledWindow, &eGtkHPolicy, nullptr);
+        return GtkToVcl(eGtkHPolicy);
+    }
+
+    virtual void vadjustment_configure(int value, int lower, int upper,
+                                       int step_increment, int page_increment,
+                                       int page_size) override
+    {
+        disable_notify_events();
+        gtk_adjustment_configure(m_pVAdjustment, value, lower, upper, step_increment, page_increment, page_size);
+        enable_notify_events();
+    }
+
+    virtual int vadjustment_get_value() const override
+    {
+        return gtk_adjustment_get_value(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_value(int value) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_value(m_pVAdjustment, value);
+        enable_notify_events();
+    }
+
+    virtual int vadjustment_get_upper() const override
+    {
+         return gtk_adjustment_get_upper(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_upper(int upper) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_upper(m_pVAdjustment, upper);
+        enable_notify_events();
+    }
+
+    virtual int vadjustment_get_lower() const override
+    {
+         return gtk_adjustment_get_lower(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_lower(int lower) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_lower(m_pVAdjustment, lower);
+        enable_notify_events();
+    }
+
+    virtual int vadjustment_get_page_size() const override
+    {
+        return gtk_adjustment_get_page_size(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_page_size(int size) override
+    {
+        gtk_adjustment_set_page_size(m_pVAdjustment, size);
+    }
+
+    virtual void vadjustment_set_page_increment(int size) override
+    {
+        gtk_adjustment_set_page_increment(m_pVAdjustment, size);
+    }
+
+    virtual void vadjustment_set_step_increment(int size) override
+    {
+        gtk_adjustment_set_step_increment(m_pVAdjustment, size);
+    }
+
+    virtual void set_vpolicy(VclPolicyType eVPolicy) override
+    {
+        GtkPolicyType eGtkHPolicy;
+        gtk_scrolled_window_get_policy(m_pScrolledWindow, &eGtkHPolicy, nullptr);
+        gtk_scrolled_window_set_policy(m_pScrolledWindow, eGtkHPolicy, VclToGtk(eVPolicy));
+    }
+
+    virtual VclPolicyType get_vpolicy() const override
+    {
+        GtkPolicyType eGtkVPolicy;
+        gtk_scrolled_window_get_policy(m_pScrolledWindow, nullptr, &eGtkVPolicy);
+        return GtkToVcl(eGtkVPolicy);
+    }
+
+    virtual int get_scroll_thickness() const override
+    {
+        if (gtk_scrolled_window_get_overlay_scrolling(m_pScrolledWindow))
+            return 0;
+        GtkRequisition size;
+        gtk_widget_get_preferred_size(gtk_scrolled_window_get_vscrollbar(m_pScrolledWindow), nullptr, &size);
+        return size.width;
+    }
+
+    virtual void set_scroll_thickness(int nThickness) override
+    {
+        GtkWidget *pHorzBar = gtk_scrolled_window_get_hscrollbar(m_pScrolledWindow);
+        GtkWidget *pVertBar = gtk_scrolled_window_get_vscrollbar(m_pScrolledWindow);
+        gtk_widget_set_size_request(pHorzBar, -1, nThickness);
+        gtk_widget_set_size_request(pVertBar, nThickness, -1);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pVAdjustment, m_nVAdjustChangedSignalId);
+        g_signal_handler_block(m_pHAdjustment, m_nHAdjustChangedSignalId);
+        GtkInstanceContainer::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceContainer::enable_notify_events();
+        g_signal_handler_unblock(m_pVAdjustment, m_nVAdjustChangedSignalId);
+        g_signal_handler_unblock(m_pHAdjustment, m_nHAdjustChangedSignalId);
+    }
+
+    virtual void customize_scrollbars(const Color& rBackgroundColor,
+                                      const Color& rShadowColor,
+                                      const Color& rFaceColor) override
+    {
+        GtkWidget *pHorzBar = gtk_scrolled_window_get_hscrollbar(m_pScrolledWindow);
+        GtkWidget *pVertBar = gtk_scrolled_window_get_vscrollbar(m_pScrolledWindow);
+        GtkStyleContext *pHorzContext = gtk_widget_get_style_context(pHorzBar);
+        GtkStyleContext *pVertContext = gtk_widget_get_style_context(pVertBar);
+        if (m_pScrollBarCssProvider)
+        {
+            gtk_style_context_remove_provider(pHorzContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider));
+            gtk_style_context_remove_provider(pVertContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider));
+        }
+
+        m_pScrollBarCssProvider = gtk_css_provider_new();
+        // intentionally 'trough' a long, narrow open container.
+        OUString aBuffer = "scrollbar contents trough { background-color: #" + rBackgroundColor.AsRGBHexString() + "; } "
+                           "scrollbar contents trough slider { background-color: #" + rShadowColor.AsRGBHexString() + "; } "
+                           "scrollbar contents button { background-color: #" + rFaceColor.AsRGBHexString() + "; } "
+                           "scrollbar contents button { color: #000000; } "
+                           "scrollbar contents button:disabled { color: #7f7f7f; }";
+        OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8);
+        css_provider_load_from_data(m_pScrollBarCssProvider, aResult.getStr(), aResult.getLength());
+
+        gtk_style_context_add_provider(pHorzContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+        gtk_style_context_add_provider(pVertContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+
+    virtual ~GtkInstanceScrolledWindow() override
+    {
+        // we use GtkInstanceContainer::[disable|enable]_notify_events later on
+        // to avoid touching these removed handlers
+        g_signal_handler_disconnect(m_pVAdjustment, m_nVAdjustChangedSignalId);
+        g_signal_handler_disconnect(m_pHAdjustment, m_nHAdjustChangedSignalId);
+
+        if (m_pScrollBarCssProvider)
+        {
+            GtkStyleContext *pHorzContext = gtk_widget_get_style_context(gtk_scrolled_window_get_hscrollbar(m_pScrolledWindow));
+            GtkStyleContext *pVertContext = gtk_widget_get_style_context(gtk_scrolled_window_get_vscrollbar(m_pScrolledWindow));
+            gtk_style_context_remove_provider(pHorzContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider));
+            gtk_style_context_remove_provider(pVertContext, GTK_STYLE_PROVIDER(m_pScrollBarCssProvider));
+            m_pScrollBarCssProvider = nullptr;
+        }
+
+        //put it back the way it was
+        if (!m_pOrigViewport)
+            return;
+
+        GtkInstanceContainer::disable_notify_events();
+
+        // force in new adjustment to drop the built-in handlers on value-changed
+        // which are getting called eventually by the gtk_container_add call
+        // and which access the scrolled window indicators which, in the case
+        // of user-managed scrolling windows in toolbar popups during popdown
+        // are nullptr causing crashes when the scrolling windows is not at its
+        // initial 0,0 position
+        GtkAdjustment *pVAdjustment = gtk_adjustment_new(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+        gtk_scrolled_window_set_vadjustment(m_pScrolledWindow, pVAdjustment);
+        GtkAdjustment *pHAdjustment = gtk_adjustment_new(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+        gtk_scrolled_window_set_hadjustment(m_pScrolledWindow, pHAdjustment);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget *pViewport = gtk_scrolled_window_get_child(m_pScrolledWindow);
+#else
+        GtkWidget *pViewport = gtk_bin_get_child(GTK_BIN(m_pScrolledWindow));
+#endif
+        assert(IMMOBILIZED_IS_VIEWPORT(pViewport));
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget *pChild= gtk_viewport_get_child(GTK_VIEWPORT(pViewport));
+#else
+        GtkWidget *pChild = gtk_bin_get_child(GTK_BIN(pViewport));
+#endif
+        g_object_ref(pChild);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_viewport_set_child(GTK_VIEWPORT(pViewport), nullptr);
+#else
+        gtk_container_remove(GTK_CONTAINER(pViewport), pChild);
+#endif
+        g_object_ref(pViewport);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_scrolled_window_set_child(m_pScrolledWindow, nullptr);
+#else
+        gtk_container_remove(GTK_CONTAINER(m_pScrolledWindow), pViewport);
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_scrolled_window_set_child(m_pScrolledWindow, m_pOrigViewport);
+#else
+        gtk_container_add(GTK_CONTAINER(m_pScrolledWindow), m_pOrigViewport);
+#endif
+        // coverity[freed_arg : FALSE] - this does not free m_pOrigViewport, it is reffed by m_pScrolledWindow
+        g_object_unref(m_pOrigViewport);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_viewport_set_child(GTK_VIEWPORT(m_pOrigViewport), pChild);
+#else
+        gtk_container_add(GTK_CONTAINER(m_pOrigViewport), pChild);
+#endif
+        g_object_unref(pChild);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_destroy(pViewport);
+#endif
+        g_object_unref(pViewport);
+        m_pOrigViewport = nullptr;
+        GtkInstanceContainer::enable_notify_events();
+    }
+};
+
+class GtkInstanceScrollbar final : public GtkInstanceWidget, public virtual weld::Scrollbar
+{
+private:
+    GtkScrollbar* m_pScrollbar;
+    GtkAdjustment* m_pAdjustment;
+    GtkCssProvider* m_pThicknessCssProvider;
+    gulong m_nAdjustChangedSignalId;
+
+    static void signalAdjustValueChanged(GtkAdjustment*, gpointer widget)
+    {
+        GtkInstanceScrollbar* pThis = static_cast<GtkInstanceScrollbar*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_adjustment_changed();
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    // if the widget is inside a GtkSalFrame then ensure the event is processed by the GtkSalFrame and not the
+    // GtkScrollbar
+    static gboolean signalScroll(GtkEventControllerScroll* pController, double delta_x, double delta_y, gpointer widget)
+    {
+        GtkInstanceScrollbar* pThis = static_cast<GtkInstanceScrollbar*>(widget);
+
+        GtkWidget* pParent = widget_get_toplevel(GTK_WIDGET(pThis->m_pScrollbar));
+        GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+
+        return pFrame && pFrame->event_controller_scroll_forward(pController, delta_x, delta_y);
+    }
+#else
+    static gboolean signalScroll(GtkWidget* pWidget, GdkEventScroll* /*pEvent*/, gpointer widget)
+    {
+        GtkInstanceScrollbar* pThis = static_cast<GtkInstanceScrollbar*>(widget);
+
+        GtkWidget* pParent = widget_get_toplevel(GTK_WIDGET(pThis->m_pScrollbar));
+        GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+
+        if (pFrame)
+            g_signal_stop_emission_by_name(pWidget, "scroll-event");
+
+        return false;
+    }
+#endif
+
+public:
+    GtkInstanceScrollbar(GtkScrollbar* pScrollbar, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pScrollbar), pBuilder, bTakeOwnership)
+        , m_pScrollbar(pScrollbar)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_pAdjustment(gtk_scrollbar_get_adjustment(m_pScrollbar))
+#else
+        , m_pAdjustment(gtk_range_get_adjustment(GTK_RANGE(m_pScrollbar)))
+#endif
+        , m_pThicknessCssProvider(nullptr)
+        , m_nAdjustChangedSignalId(g_signal_connect(m_pAdjustment, "value-changed", G_CALLBACK(signalAdjustValueChanged), this))
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkEventController* pScrollController = gtk_event_controller_scroll_new(GTK_EVENT_CONTROLLER_SCROLL_BOTH_AXES);
+        gtk_event_controller_set_propagation_phase(pScrollController, GTK_PHASE_CAPTURE);
+        g_signal_connect(pScrollController, "scroll", G_CALLBACK(signalScroll), this);
+        gtk_widget_add_controller(GTK_WIDGET(pScrollbar), pScrollController);
+#else
+        g_signal_connect(pScrollbar, "scroll-event", G_CALLBACK(signalScroll), this);
+#endif
+    }
+
+    virtual void adjustment_configure(int value, int lower, int upper,
+                                       int step_increment, int page_increment,
+                                       int page_size) override
+    {
+        disable_notify_events();
+        gtk_adjustment_configure(m_pAdjustment, value, lower, upper, step_increment, page_increment, page_size);
+        enable_notify_events();
+    }
+
+    virtual int adjustment_get_value() const override
+    {
+        return gtk_adjustment_get_value(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_value(int value) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_value(m_pAdjustment, value);
+        enable_notify_events();
+    }
+
+    virtual int adjustment_get_upper() const override
+    {
+         return gtk_adjustment_get_upper(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_upper(int upper) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_upper(m_pAdjustment, upper);
+        enable_notify_events();
+    }
+
+    virtual int adjustment_get_lower() const override
+    {
+         return gtk_adjustment_get_lower(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_lower(int lower) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_lower(m_pAdjustment, lower);
+        enable_notify_events();
+    }
+
+    virtual int adjustment_get_page_size() const override
+    {
+        return gtk_adjustment_get_page_size(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_page_size(int size) override
+    {
+        gtk_adjustment_set_page_size(m_pAdjustment, size);
+    }
+
+    virtual int adjustment_get_page_increment() const override
+    {
+        return gtk_adjustment_get_page_increment(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_page_increment(int size) override
+    {
+        gtk_adjustment_set_page_increment(m_pAdjustment, size);
+    }
+
+    virtual int adjustment_get_step_increment() const override
+    {
+        return gtk_adjustment_get_step_increment(m_pAdjustment);
+    }
+
+    virtual void adjustment_set_step_increment(int size) override
+    {
+        gtk_adjustment_set_step_increment(m_pAdjustment, size);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pAdjustment, m_nAdjustChangedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pAdjustment, m_nAdjustChangedSignalId);
+    }
+
+    virtual ScrollType get_scroll_type() const override
+    {
+        // tdf#153049 want a mousewheel spin to be treated as DontKnow
+        return has_grab() ? ScrollType::Drag : ScrollType::DontKnow;
+    }
+
+    virtual int get_scroll_thickness() const override
+    {
+        if (gtk_orientable_get_orientation(GTK_ORIENTABLE(m_pScrollbar)) == GTK_ORIENTATION_HORIZONTAL)
+            return gtk_widget_get_allocated_height(GTK_WIDGET(m_pScrollbar));
+        return gtk_widget_get_allocated_width(GTK_WIDGET(m_pScrollbar));
+    }
+
+    virtual void set_scroll_thickness(int nThickness) override
+    {
+        GtkStyleContext *pStyleContext = gtk_widget_get_style_context(GTK_WIDGET(m_pScrollbar));
+
+        if (m_pThicknessCssProvider)
+        {
+            gtk_style_context_remove_provider(pStyleContext, GTK_STYLE_PROVIDER(m_pThicknessCssProvider));
+            m_pThicknessCssProvider = nullptr;
+        }
+
+        m_pThicknessCssProvider = gtk_css_provider_new();
+        int nSlider = nThickness > 6 ? nThickness - 6 : 1;
+        const OString sData = "slider { min-height: " + OString::number(nSlider) + "px;"
+                                      " min-width: " + OString::number(nSlider) + "px; }";
+        css_provider_load_from_data(m_pThicknessCssProvider, sData.getStr(), sData.getLength());
+        gtk_style_context_add_provider(pStyleContext, GTK_STYLE_PROVIDER(m_pThicknessCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+        if (gtk_orientable_get_orientation(GTK_ORIENTABLE(m_pScrollbar)) == GTK_ORIENTATION_HORIZONTAL)
+            gtk_widget_set_size_request(GTK_WIDGET(m_pScrollbar), -1, nThickness);
+        else
+            gtk_widget_set_size_request(GTK_WIDGET(m_pScrollbar), nThickness, -1);
+    }
+
+    virtual ~GtkInstanceScrollbar() override
+    {
+        g_signal_handler_disconnect(m_pAdjustment, m_nAdjustChangedSignalId);
+        if (m_pThicknessCssProvider)
+        {
+            GtkStyleContext *pStyleContext = gtk_widget_get_style_context(GTK_WIDGET(m_pScrollbar));
+            gtk_style_context_remove_provider(pStyleContext, GTK_STYLE_PROVIDER(m_pThicknessCssProvider));
+        }
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceNotebook : public GtkInstanceWidget, public virtual weld::Notebook
+{
+private:
+    GtkNotebook* m_pNotebook;
+    GtkBox* m_pOverFlowBox;
+    GtkNotebook* m_pOverFlowNotebook;
+    gulong m_nSwitchPageSignalId;
+    gulong m_nOverFlowSwitchPageSignalId;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    NotifyingLayout* m_pLayout;
+#else
+    gulong m_nNotebookSizeAllocateSignalId;
+    gulong m_nFocusSignalId;
+#endif
+    gulong m_nChangeCurrentPageId;
+    guint m_nLaunchSplitTimeoutId;
+    bool m_bOverFlowBoxActive;
+    bool m_bOverFlowBoxIsStart;
+    bool m_bInternalPageChange;
+    int m_nStartTabCount;
+    int m_nEndTabCount;
+    mutable std::vector<std::unique_ptr<GtkInstanceContainer>> m_aPages;
+
+    static void signalSwitchPage(GtkNotebook*, GtkWidget*, guint nNewPage, gpointer widget)
+    {
+        GtkInstanceNotebook* pThis = static_cast<GtkInstanceNotebook*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_switch_page(nNewPage);
+    }
+
+    static gboolean launch_overflow_switch_page(GtkInstanceNotebook* pThis)
+    {
+        SolarMutexGuard aGuard;
+        pThis->signal_overflow_switch_page();
+        return false;
+    }
+
+    static void signalOverFlowSwitchPage(GtkNotebook*, GtkWidget*, guint, gpointer widget)
+    {
+        g_timeout_add_full(G_PRIORITY_HIGH_IDLE, 0, reinterpret_cast<GSourceFunc>(launch_overflow_switch_page), widget, nullptr);
+    }
+
+    void signal_switch_page(int nNewPage)
+    {
+        if (m_bOverFlowBoxIsStart)
+        {
+            auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+            // add count of overflow pages, minus the extra tab
+            nNewPage += nOverFlowLen;
+        }
+
+        bool bAllow = m_bInternalPageChange || !m_aLeavePageHdl.IsSet() || m_aLeavePageHdl.Call(get_current_page_ident());
+        if (!bAllow)
+        {
+            g_signal_stop_emission_by_name(m_pNotebook, "switch-page");
+            return;
+        }
+        if (m_bOverFlowBoxActive)
+            gtk_notebook_set_current_page(m_pOverFlowNotebook, gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1);
+        OUString sNewIdent(get_page_ident(nNewPage));
+        if (!m_bInternalPageChange)
+            m_aEnterPageHdl.Call(sNewIdent);
+    }
+
+    void unsplit_notebooks()
+    {
+        int nOverFlowPages = gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1;
+        int nMainPages = gtk_notebook_get_n_pages(m_pNotebook);
+        int nPageIndex = 0;
+        if (!m_bOverFlowBoxIsStart)
+            nPageIndex += nMainPages;
+
+        // take the overflow pages, and put them back at the end of the normal one
+        int i = nMainPages;
+        while (nOverFlowPages)
+        {
+            OUString sIdent(get_page_ident(m_pOverFlowNotebook, 0));
+            OUString sLabel(get_tab_label_text(m_pOverFlowNotebook, 0));
+            remove_page(m_pOverFlowNotebook, sIdent);
+
+            GtkWidget* pPage = m_aPages[nPageIndex]->getWidget();
+            insert_page(m_pNotebook, sIdent, sLabel, pPage, -1);
+
+            GtkWidget* pTabWidget = gtk_notebook_get_tab_label(m_pNotebook,
+                                                               gtk_notebook_get_nth_page(m_pNotebook, i));
+            gtk_widget_set_hexpand(pTabWidget, true);
+            --nOverFlowPages;
+            ++i;
+            ++nPageIndex;
+        }
+
+        // remove the dangling placeholder tab page
+        remove_page(m_pOverFlowNotebook, u"useless");
+    }
+
+    // a tab has been selected on the overflow notebook
+    void signal_overflow_switch_page()
+    {
+        int nNewPage = gtk_notebook_get_current_page(m_pOverFlowNotebook);
+        int nOverFlowPages = gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1;
+        if (nNewPage == nOverFlowPages)
+        {
+            // the useless tab which is there because there has to be an active tab
+            return;
+        }
+
+        // check if we are allowed leave before attempting to resplit the notebooks
+        bool bAllow = !m_aLeavePageHdl.IsSet() || m_aLeavePageHdl.Call(get_current_page_ident());
+        if (!bAllow)
+            return;
+
+        disable_notify_events();
+
+        // take the overflow pages, and put them back at the end of the normal one
+        unsplit_notebooks();
+
+        // now redo the split, the pages will be split the other way around this time
+        std::swap(m_nStartTabCount, m_nEndTabCount);
+        split_notebooks();
+
+        // coverity[pass_freed_arg : FALSE] - m_pNotebook is not freed here
+        gtk_notebook_set_current_page(m_pNotebook, nNewPage);
+
+        enable_notify_events();
+
+        // trigger main notebook switch-page callback
+        OUString sNewIdent(get_page_ident(m_pNotebook, nNewPage));
+        m_aEnterPageHdl.Call(sNewIdent);
+    }
+
+    static OUString get_page_ident(GtkNotebook *pNotebook, guint nPage)
+    {
+        const GtkWidget* pTabWidget = gtk_notebook_get_tab_label(pNotebook, gtk_notebook_get_nth_page(pNotebook, nPage));
+        return ::get_buildable_id(GTK_BUILDABLE(pTabWidget));
+    }
+
+    static gint get_page_number(GtkNotebook *pNotebook, std::u16string_view ident)
+    {
+        gint nPages = gtk_notebook_get_n_pages(pNotebook);
+        for (gint i = 0; i < nPages; ++i)
+        {
+            const GtkWidget* pTabWidget = gtk_notebook_get_tab_label(pNotebook, gtk_notebook_get_nth_page(pNotebook, i));
+            OUString sBuildableName = ::get_buildable_id(GTK_BUILDABLE(pTabWidget));
+            if (sBuildableName == ident)
+                return i;
+        }
+        return -1;
+    }
+
+    int remove_page(GtkNotebook *pNotebook, std::u16string_view ident)
+    {
+        disable_notify_events();
+        int nPageNumber = get_page_number(pNotebook, ident);
+        assert(nPageNumber != -1 && "asked to remove page that doesn't exist");
+        gtk_notebook_remove_page(pNotebook, nPageNumber);
+        enable_notify_events();
+        return nPageNumber;
+    }
+
+    static OUString get_tab_label_text(GtkNotebook *pNotebook, guint nPage)
+    {
+        const gchar* pStr = gtk_notebook_get_tab_label_text(pNotebook, gtk_notebook_get_nth_page(pNotebook, nPage));
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    static void set_tab_label_text(GtkNotebook *pNotebook, guint nPage, const OUString& rText)
+    {
+        OString sUtf8(rText.toUtf8());
+
+        GtkWidget* pPage = gtk_notebook_get_nth_page(pNotebook, nPage);
+
+        // tdf#128241 if there's already a label here, reuse it so the buildable
+        // name remains the same, gtk_notebook_set_tab_label_text will replace
+        // the label widget with a new one
+        GtkWidget* pTabWidget = gtk_notebook_get_tab_label(pNotebook, pPage);
+        if (pTabWidget && GTK_IS_LABEL(pTabWidget))
+        {
+            gtk_label_set_label(GTK_LABEL(pTabWidget), sUtf8.getStr());
+            return;
+        }
+
+        gtk_notebook_set_tab_label_text(pNotebook, pPage, sUtf8.getStr());
+    }
+
+    void append_useless_page(GtkNotebook *pNotebook)
+    {
+        disable_notify_events();
+
+        GtkWidget *pTabWidget = gtk_fixed_new();
+        ::set_buildable_id(GTK_BUILDABLE(pTabWidget), "useless");
+
+        GtkWidget *pChild = gtk_grid_new();
+        gtk_notebook_append_page(pNotebook, pChild, pTabWidget);
+        gtk_widget_show(pChild);
+        gtk_widget_show(pTabWidget);
+
+        enable_notify_events();
+    }
+
+    void insert_page(GtkNotebook *pNotebook, const OUString& rIdent, const OUString& rLabel, GtkWidget *pChild, int nPos)
+    {
+        disable_notify_events();
+
+        GtkWidget *pTabWidget = gtk_label_new_with_mnemonic(MapToGtkAccelerator(rLabel).getStr());
+        ::set_buildable_id(GTK_BUILDABLE(pTabWidget), rIdent);
+        gtk_notebook_insert_page(pNotebook, pChild, pTabWidget, nPos);
+        gtk_widget_show(pChild);
+        gtk_widget_show(pTabWidget);
+
+        if (nPos != -1)
+        {
+            unsigned int nPageIndex = static_cast<unsigned int>(nPos);
+            if (nPageIndex < m_aPages.size())
+                m_aPages.insert(m_aPages.begin() + nPageIndex, nullptr);
+        }
+
+        enable_notify_events();
+    }
+
+    void make_overflow_boxes()
+    {
+        m_pOverFlowBox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_VERTICAL, 0));
+        GtkWidget* pParent = gtk_widget_get_parent(GTK_WIDGET(m_pNotebook));
+        container_add(pParent, GTK_WIDGET(m_pOverFlowBox));
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(m_pOverFlowBox, GTK_WIDGET(m_pOverFlowNotebook));
+#else
+        gtk_box_pack_start(m_pOverFlowBox, GTK_WIDGET(m_pOverFlowNotebook), false, false, 0);
+#endif
+        g_object_ref(m_pNotebook);
+        container_remove(pParent, GTK_WIDGET(m_pNotebook));
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_append(m_pOverFlowBox, GTK_WIDGET(m_pNotebook));
+#else
+        gtk_box_pack_start(m_pOverFlowBox, GTK_WIDGET(m_pNotebook), true, true, 0);
+#endif
+        // coverity[freed_arg : FALSE] - this does not free m_pNotebook , it is reffed by pParent
+        g_object_unref(m_pNotebook);
+        gtk_widget_show(GTK_WIDGET(m_pOverFlowBox));
+    }
+
+    void split_notebooks()
+    {
+        // get the original preferred size for the notebook, the sane width
+        // expected here depends on the notebooks all initially having
+        // scrollable tabs enabled
+        GtkAllocation alloc;
+        gtk_widget_get_allocation(GTK_WIDGET(m_pNotebook), &alloc);
+
+        // toggle the direction of the split since the last time
+        m_bOverFlowBoxIsStart = !m_bOverFlowBoxIsStart;
+        if (!m_pOverFlowBox)
+             make_overflow_boxes();
+
+        // don't scroll the tabs anymore
+        // coverity[pass_freed_arg : FALSE] - m_pNotebook is not freed here
+        gtk_notebook_set_scrollable(m_pNotebook, false);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_freeze_child_notify(GTK_WIDGET(m_pNotebook));
+        gtk_widget_freeze_child_notify(GTK_WIDGET(m_pOverFlowNotebook));
+#else
+        g_object_freeze_notify(G_OBJECT(m_pNotebook));
+        g_object_freeze_notify(G_OBJECT(m_pOverFlowNotebook));
+#endif
+
+        gtk_widget_show(GTK_WIDGET(m_pOverFlowNotebook));
+
+        gint nPages;
+
+        GtkRequisition size1, size2;
+
+        if (!m_nStartTabCount && !m_nEndTabCount)
+        {
+            nPages = gtk_notebook_get_n_pages(m_pNotebook);
+
+            std::vector<int> aLabelWidths;
+            //move tabs to the overflow notebook
+            for (int i = 0; i < nPages; ++i)
+            {
+                OUString sLabel(get_tab_label_text(m_pNotebook, i));
+                aLabelWidths.push_back(get_pixel_size(sLabel).Width());
+            }
+            int row_width = std::accumulate(aLabelWidths.begin(), aLabelWidths.end(), 0) / 2;
+            int count = 0;
+            for (int i = 0; i < nPages; ++i)
+            {
+                count += aLabelWidths[i];
+                if (count >= row_width)
+                {
+                    m_nStartTabCount = i;
+                    break;
+                }
+            }
+
+            m_nEndTabCount = nPages - m_nStartTabCount;
+        }
+
+        //move the tabs to the overflow notebook
+        int i = 0;
+        int nOverFlowPages = m_nStartTabCount;
+        while (nOverFlowPages)
+        {
+            OUString sIdent(get_page_ident(m_pNotebook, 0));
+            OUString sLabel(get_tab_label_text(m_pNotebook, 0));
+            remove_page(m_pNotebook, sIdent);
+            insert_page(m_pOverFlowNotebook, sIdent, sLabel, gtk_grid_new(), -1);
+            GtkWidget* pTabWidget = gtk_notebook_get_tab_label(m_pOverFlowNotebook,
+                                                               gtk_notebook_get_nth_page(m_pOverFlowNotebook, i));
+            gtk_widget_set_hexpand(pTabWidget, true);
+
+            --nOverFlowPages;
+            ++i;
+        }
+
+        for (i = 0; i < m_nEndTabCount; ++i)
+        {
+            GtkWidget* pTabWidget = gtk_notebook_get_tab_label(m_pNotebook,
+                                                               gtk_notebook_get_nth_page(m_pNotebook, i));
+            gtk_widget_set_hexpand(pTabWidget, true);
+        }
+
+        // have to have some tab as the active tab of the overflow notebook
+        append_useless_page(m_pOverFlowNotebook);
+        gtk_notebook_set_current_page(m_pOverFlowNotebook, gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1);
+        if (gtk_widget_has_focus(GTK_WIDGET(m_pOverFlowNotebook)))
+            gtk_widget_grab_focus(GTK_WIDGET(m_pNotebook));
+
+        // add this temporarily to the normal notebook to measure how wide
+        // the row would be if switched to the other notebook
+        append_useless_page(m_pNotebook);
+
+        gtk_widget_get_preferred_size(GTK_WIDGET(m_pNotebook), nullptr, &size1);
+        gtk_widget_get_preferred_size(GTK_WIDGET(m_pOverFlowNotebook), nullptr, &size2);
+
+        auto nWidth = std::max(size1.width, size2.width);
+        gtk_widget_set_size_request(GTK_WIDGET(m_pNotebook), nWidth, alloc.height);
+        gtk_widget_set_size_request(GTK_WIDGET(m_pOverFlowNotebook), nWidth, -1);
+
+        // remove it once we've measured it
+        remove_page(m_pNotebook, u"useless");
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_thaw_child_notify(GTK_WIDGET(m_pOverFlowNotebook));
+        gtk_widget_thaw_child_notify(GTK_WIDGET(m_pNotebook));
+#else
+        g_object_thaw_notify(G_OBJECT(m_pOverFlowNotebook));
+        g_object_thaw_notify(G_OBJECT(m_pNotebook));
+#endif
+
+        m_bOverFlowBoxActive = true;
+    }
+
+    static gboolean launch_split_notebooks(GtkInstanceNotebook* pThis)
+    {
+        int nCurrentPage = pThis->get_current_page();
+        pThis->split_notebooks();
+        pThis->set_current_page(nCurrentPage);
+        pThis->m_nLaunchSplitTimeoutId = 0;
+        return false;
+    }
+
+    // tdf#120371
+    // https://developer.gnome.org/hig-book/unstable/controls-notebooks.html.en#controls-too-many-tabs
+    // if no of tabs > 6, but only if the notebook would auto-scroll, then split the tabs over
+    // two notebooks. Checking for the auto-scroll allows themes like Ambience under Ubuntu 16.04 to keep
+    // tabs in a single row when they would fit
+    void signal_notebook_size_allocate()
+    {
+        if (m_bOverFlowBoxActive || m_nLaunchSplitTimeoutId)
+            return;
+        disable_notify_events();
+        gint nPages = gtk_notebook_get_n_pages(m_pNotebook);
+        if (nPages > 6 && gtk_notebook_get_tab_pos(m_pNotebook) == GTK_POS_TOP)
+        {
+            for (gint i = 0; i < nPages; ++i)
+            {
+                GtkWidget* pTabWidget = gtk_notebook_get_tab_label(m_pNotebook, gtk_notebook_get_nth_page(m_pNotebook, i));
+#if GTK_CHECK_VERSION(4, 0, 0)
+                bool bTabVisible = gtk_widget_get_child_visible(gtk_widget_get_parent(pTabWidget));
+#else
+                bool bTabVisible = gtk_widget_get_child_visible(pTabWidget);
+#endif
+                if (!bTabVisible)
+                {
+                    m_nLaunchSplitTimeoutId = g_timeout_add_full(G_PRIORITY_HIGH_IDLE, 0, reinterpret_cast<GSourceFunc>(launch_split_notebooks), this, nullptr);
+                    break;
+                }
+            }
+        }
+        enable_notify_events();
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    DECL_LINK(SizeAllocateHdl, void*, void);
+#else
+    static void signalSizeAllocate(GtkWidget*, GdkRectangle*, gpointer widget)
+    {
+        GtkInstanceNotebook* pThis = static_cast<GtkInstanceNotebook*>(widget);
+        pThis->signal_notebook_size_allocate();
+    }
+#endif
+
+    bool signal_focus(GtkDirectionType direction)
+    {
+        if (!m_bOverFlowBoxActive)
+            return false;
+
+        int nPage = gtk_notebook_get_current_page(m_pNotebook);
+        if (direction == GTK_DIR_LEFT && nPage == 0)
+        {
+            auto nOverFlowLen = gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1;
+            gtk_notebook_set_current_page(m_pOverFlowNotebook, nOverFlowLen - 1);
+            return true;
+        }
+        else if (direction == GTK_DIR_RIGHT && nPage == gtk_notebook_get_n_pages(m_pNotebook) - 1)
+        {
+            gtk_notebook_set_current_page(m_pOverFlowNotebook, 0);
+            return true;
+        }
+
+        return false;
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalFocus(GtkNotebook* notebook, GtkDirectionType direction, gpointer widget)
+    {
+        // if the notebook widget itself has focus
+        if (gtk_widget_is_focus(GTK_WIDGET(notebook)))
+        {
+            GtkInstanceNotebook* pThis = static_cast<GtkInstanceNotebook*>(widget);
+            return pThis->signal_focus(direction);
+        }
+        return false;
+    }
+#endif
+
+    // ctrl + page_up/ page_down
+    bool signal_change_current_page(gint arg1)
+    {
+        bool bHandled = signal_focus(arg1 < 0 ? GTK_DIR_LEFT : GTK_DIR_RIGHT);
+        if (bHandled)
+            g_signal_stop_emission_by_name(m_pNotebook, "change-current-page");
+        return false;
+    }
+
+    static gboolean signalChangeCurrentPage(GtkNotebook*, gint arg1, gpointer widget)
+    {
+        if (arg1 == 0)
+            return true;
+        GtkInstanceNotebook* pThis = static_cast<GtkInstanceNotebook*>(widget);
+        return pThis->signal_change_current_page(arg1);
+    }
+
+public:
+    GtkInstanceNotebook(GtkNotebook* pNotebook, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pNotebook), pBuilder, bTakeOwnership)
+        , m_pNotebook(pNotebook)
+        , m_pOverFlowBox(nullptr)
+        , m_pOverFlowNotebook(GTK_NOTEBOOK(gtk_notebook_new()))
+        , m_nSwitchPageSignalId(g_signal_connect(pNotebook, "switch-page", G_CALLBACK(signalSwitchPage), this))
+        , m_nOverFlowSwitchPageSignalId(g_signal_connect(m_pOverFlowNotebook, "switch-page", G_CALLBACK(signalOverFlowSwitchPage), this))
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_pLayout(nullptr)
+#else
+        , m_nNotebookSizeAllocateSignalId(0)
+        , m_nFocusSignalId(g_signal_connect(pNotebook, "focus", G_CALLBACK(signalFocus), this))
+#endif
+        , m_nChangeCurrentPageId(g_signal_connect(pNotebook, "change-current-page", G_CALLBACK(signalChangeCurrentPage), this))
+        , m_nLaunchSplitTimeoutId(0)
+        , m_bOverFlowBoxActive(false)
+        , m_bOverFlowBoxIsStart(false)
+        , m_bInternalPageChange(false)
+        , m_nStartTabCount(0)
+        , m_nEndTabCount(0)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_add_events(GTK_WIDGET(pNotebook), GDK_SCROLL_MASK);
+#endif
+        gint nPages = gtk_notebook_get_n_pages(m_pNotebook);
+        if (nPages > 6)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            m_nNotebookSizeAllocateSignalId = g_signal_connect_after(pNotebook, "size-allocate", G_CALLBACK(signalSizeAllocate), this);
+#else
+            m_pLayout = NOTIFYING_LAYOUT(g_object_new(notifying_layout_get_type(), nullptr));
+            notifying_layout_start_watch(m_pLayout, GTK_WIDGET(pNotebook), LINK(this, GtkInstanceNotebook, SizeAllocateHdl));
+#endif
+        }
+        gtk_notebook_set_show_border(m_pOverFlowNotebook, false);
+
+        // tdf#122623 it's nigh impossible to have a GtkNotebook without an active (checked) tab, so try and theme
+        // the unwanted tab into invisibility via the 'overflow' class themed by global CreateStyleProvider
+        GtkStyleContext *pNotebookContext = gtk_widget_get_style_context(GTK_WIDGET(m_pOverFlowNotebook));
+        gtk_style_context_add_class(pNotebookContext, "overflow");
+    }
+
+    virtual int get_current_page() const override
+    {
+        int nPage = gtk_notebook_get_current_page(m_pNotebook);
+        if (nPage == -1)
+            return nPage;
+        if (m_bOverFlowBoxIsStart)
+        {
+            auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+            // add count of overflow pages, minus the extra tab
+            nPage += nOverFlowLen;
+        }
+        return nPage;
+    }
+
+    virtual OUString get_page_ident(int nPage) const override
+    {
+        auto nMainLen = gtk_notebook_get_n_pages(m_pNotebook);
+        auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+        if (m_bOverFlowBoxIsStart)
+        {
+            if (nPage < nOverFlowLen)
+                return get_page_ident(m_pOverFlowNotebook, nPage);
+            nPage -= nOverFlowLen;
+            return get_page_ident(m_pNotebook, nPage);
+        }
+        else
+        {
+            if (nPage < nMainLen)
+                return get_page_ident(m_pNotebook, nPage);
+            nPage -= nMainLen;
+            return get_page_ident(m_pOverFlowNotebook, nPage);
+        }
+    }
+
+    virtual OUString get_current_page_ident() const override
+    {
+        const int nPage = get_current_page();
+        return nPage != -1 ? get_page_ident(nPage) : OUString();
+    }
+
+    virtual int get_page_index(const OUString& rIdent) const override
+    {
+        auto nMainIndex = get_page_number(m_pNotebook, rIdent);
+        auto nOverFlowIndex = get_page_number(m_pOverFlowNotebook, rIdent);
+
+        if (nMainIndex == -1 && nOverFlowIndex == -1)
+            return -1;
+
+        if (m_bOverFlowBoxIsStart)
+        {
+            if (nOverFlowIndex != -1)
+                return nOverFlowIndex;
+            else
+            {
+                auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+                return nMainIndex + nOverFlowLen;
+            }
+        }
+        else
+        {
+            if (nMainIndex != -1)
+                return nMainIndex;
+            else
+            {
+                auto nMainLen = gtk_notebook_get_n_pages(m_pNotebook);
+                return nOverFlowIndex + nMainLen;
+            }
+        }
+    }
+
+    virtual weld::Container* get_page(const OUString& rIdent) const override
+    {
+        int nPage = get_page_index(rIdent);
+        if (nPage < 0)
+            return nullptr;
+
+        GtkWidget* pChild;
+        if (m_bOverFlowBoxIsStart)
+        {
+            auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+            if (nPage < nOverFlowLen)
+                pChild = gtk_notebook_get_nth_page(m_pOverFlowNotebook, nPage);
+            else
+            {
+                nPage -= nOverFlowLen;
+                pChild = gtk_notebook_get_nth_page(m_pNotebook, nPage);
+            }
+        }
+        else
+        {
+            auto nMainLen = gtk_notebook_get_n_pages(m_pNotebook);
+            if (nPage < nMainLen)
+                pChild = gtk_notebook_get_nth_page(m_pNotebook, nPage);
+            else
+            {
+                nPage -= nMainLen;
+                pChild = gtk_notebook_get_nth_page(m_pOverFlowNotebook, nPage);
+            }
+        }
+
+        unsigned int nPageIndex = static_cast<unsigned int>(nPage);
+        if (m_aPages.size() < nPageIndex + 1)
+            m_aPages.resize(nPageIndex + 1);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!m_aPages[nPageIndex])
+            m_aPages[nPageIndex].reset(new GtkInstanceContainer(GTK_CONTAINER(pChild), m_pBuilder, false));
+#else
+        if (!m_aPages[nPageIndex])
+            m_aPages[nPageIndex].reset(new GtkInstanceContainer(pChild, m_pBuilder, false));
+#endif
+        return m_aPages[nPageIndex].get();
+    }
+
+    virtual void set_current_page(int nPage) override
+    {
+        // normally we'd call disable_notify_events/enable_notify_events here,
+        // but the notebook is complicated by the need to support the
+        // double-decker hackery so for simplicity just flag that the page
+        // change is not a directly user-triggered one
+        bool bInternalPageChange = m_bInternalPageChange;
+        m_bInternalPageChange = true;
+
+        if (m_bOverFlowBoxIsStart)
+        {
+            auto nOverFlowLen = m_bOverFlowBoxActive ? gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1 : 0;
+            if (nPage < nOverFlowLen)
+                gtk_notebook_set_current_page(m_pOverFlowNotebook, nPage);
+            else
+            {
+                nPage -= nOverFlowLen;
+                gtk_notebook_set_current_page(m_pNotebook, nPage);
+            }
+        }
+        else
+        {
+            auto nMainLen = gtk_notebook_get_n_pages(m_pNotebook);
+            if (nPage < nMainLen)
+                gtk_notebook_set_current_page(m_pNotebook, nPage);
+            else
+            {
+                nPage -= nMainLen;
+                gtk_notebook_set_current_page(m_pOverFlowNotebook, nPage);
+            }
+        }
+
+        m_bInternalPageChange = bInternalPageChange;
+    }
+
+    virtual void set_current_page(const OUString& rIdent) override
+    {
+        gint nPage = get_page_index(rIdent);
+        set_current_page(nPage);
+    }
+
+    virtual int get_n_pages() const override
+    {
+        int nLen = gtk_notebook_get_n_pages(m_pNotebook);
+        if (m_bOverFlowBoxActive)
+            nLen += gtk_notebook_get_n_pages(m_pOverFlowNotebook) - 1;
+        return nLen;
+    }
+
+    virtual OUString get_tab_label_text(const OUString& rIdent) const override
+    {
+        gint nPageNum = get_page_number(m_pNotebook, rIdent);
+        if (nPageNum != -1)
+            return get_tab_label_text(m_pNotebook, nPageNum);
+        nPageNum = get_page_number(m_pOverFlowNotebook, rIdent);
+        if (nPageNum != -1)
+            return get_tab_label_text(m_pOverFlowNotebook, nPageNum);
+        return OUString();
+    }
+
+    virtual void set_tab_label_text(const OUString& rIdent, const OUString& rText) override
+    {
+        gint nPageNum = get_page_number(m_pNotebook, rIdent);
+        if (nPageNum != -1)
+        {
+            set_tab_label_text(m_pNotebook, nPageNum, rText);
+            return;
+        }
+        nPageNum = get_page_number(m_pOverFlowNotebook, rIdent);
+        if (nPageNum != -1)
+        {
+            set_tab_label_text(m_pOverFlowNotebook, nPageNum, rText);
+        }
+    }
+
+    virtual void set_show_tabs(bool bShow) override
+    {
+        if (m_bOverFlowBoxActive)
+        {
+            unsplit_notebooks();
+            reset_split_data();
+        }
+
+        gtk_notebook_set_show_tabs(m_pNotebook, bShow);
+        gtk_notebook_set_show_tabs(m_pOverFlowNotebook, bShow);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pNotebook, m_nSwitchPageSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_block(m_pNotebook, m_nFocusSignalId);
+#endif
+        g_signal_handler_block(m_pNotebook, m_nChangeCurrentPageId);
+        g_signal_handler_block(m_pOverFlowNotebook, m_nOverFlowSwitchPageSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_freeze_child_notify(GTK_WIDGET(m_pOverFlowNotebook));
+#endif
+        g_object_freeze_notify(G_OBJECT(m_pOverFlowNotebook));
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_object_thaw_notify(G_OBJECT(m_pOverFlowNotebook));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_thaw_child_notify(GTK_WIDGET(m_pOverFlowNotebook));
+#endif
+        g_signal_handler_unblock(m_pOverFlowNotebook, m_nOverFlowSwitchPageSignalId);
+        g_signal_handler_unblock(m_pNotebook, m_nSwitchPageSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_unblock(m_pNotebook, m_nFocusSignalId);
+#endif
+        g_signal_handler_unblock(m_pNotebook, m_nChangeCurrentPageId);
+    }
+
+    void reset_split_data()
+    {
+        // reset overflow and allow it to be recalculated if necessary
+        gtk_widget_hide(GTK_WIDGET(m_pOverFlowNotebook));
+        m_bOverFlowBoxActive = false;
+        m_nStartTabCount = 0;
+        m_nEndTabCount = 0;
+    }
+
+    virtual void remove_page(const OUString& rIdent) override
+    {
+        if (m_bOverFlowBoxActive)
+        {
+            unsplit_notebooks();
+            reset_split_data();
+        }
+
+        unsigned int nPageIndex = remove_page(m_pNotebook, rIdent);
+        if (nPageIndex < m_aPages.size())
+            m_aPages.erase(m_aPages.begin() + nPageIndex);
+    }
+
+    virtual void insert_page(const OUString& rIdent, const OUString& rLabel, int nPos) override
+    {
+        if (m_bOverFlowBoxActive)
+        {
+            unsplit_notebooks();
+            reset_split_data();
+        }
+
+        // reset overflow and allow it to be recalculated if necessary
+        gtk_widget_hide(GTK_WIDGET(m_pOverFlowNotebook));
+        m_bOverFlowBoxActive = false;
+
+        insert_page(m_pNotebook, rIdent, rLabel, gtk_grid_new(), nPos);
+    }
+
+    virtual ~GtkInstanceNotebook() override
+    {
+        if (m_nLaunchSplitTimeoutId)
+            g_source_remove(m_nLaunchSplitTimeoutId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (m_nNotebookSizeAllocateSignalId)
+            g_signal_handler_disconnect(m_pNotebook, m_nNotebookSizeAllocateSignalId);
+#else
+        if (m_pLayout)
+        {
+            // put it back how we found it initially
+            notifying_layout_stop_watch(m_pLayout);
+        }
+#endif
+        g_signal_handler_disconnect(m_pNotebook, m_nSwitchPageSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pNotebook, m_nFocusSignalId);
+#endif
+        g_signal_handler_disconnect(m_pNotebook, m_nChangeCurrentPageId);
+        g_signal_handler_disconnect(m_pOverFlowNotebook, m_nOverFlowSwitchPageSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_destroy(GTK_WIDGET(m_pOverFlowNotebook));
+#else
+        GtkWidget* pOverFlowWidget = GTK_WIDGET(m_pOverFlowNotebook);
+        g_clear_pointer(&pOverFlowWidget, gtk_widget_unparent);
+#endif
+        if (!m_pOverFlowBox)
+            return;
+
+        // put it back to how we found it initially
+        GtkWidget* pParent = gtk_widget_get_parent(GTK_WIDGET(m_pOverFlowBox));
+        g_object_ref(m_pNotebook);
+        container_remove(GTK_WIDGET(m_pOverFlowBox), GTK_WIDGET(m_pNotebook));
+        container_add(GTK_WIDGET(pParent), GTK_WIDGET(m_pNotebook));
+        g_object_unref(m_pNotebook);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_destroy(GTK_WIDGET(m_pOverFlowBox));
+#else
+        GtkWidget* pOverFlowBox = GTK_WIDGET(m_pOverFlowBox);
+        g_clear_pointer(&pOverFlowBox, gtk_widget_unparent);
+#endif
+    }
+};
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+IMPL_LINK_NOARG(GtkInstanceNotebook, SizeAllocateHdl, void*, void)
+{
+    signal_notebook_size_allocate();
+}
+#endif
+
+
+OUString vcl_font_to_css(const vcl::Font& rFont)
+{
+    OUStringBuffer sCSS(
+        "font-family: \"" + rFont.GetFamilyName() + "\"; "
+        "font-size: " + OUString::number(rFont.GetFontSize().Height()) + "pt; ");
+    switch (rFont.GetItalic())
+    {
+        case ITALIC_NONE:
+            sCSS.append("font-style: normal; ");
+            break;
+        case ITALIC_NORMAL:
+            sCSS.append("font-style: italic; ");
+            break;
+        case ITALIC_OBLIQUE:
+            sCSS.append("font-style: oblique; ");
+            break;
+        default:
+            break;
+    }
+    switch (rFont.GetWeight())
+    {
+        case WEIGHT_ULTRALIGHT:
+            sCSS.append("font-weight: 200; ");
+            break;
+        case WEIGHT_LIGHT:
+            sCSS.append("font-weight: 300; ");
+            break;
+        case WEIGHT_NORMAL:
+            sCSS.append("font-weight: 400; ");
+            break;
+        case WEIGHT_BOLD:
+            sCSS.append("font-weight: 700; ");
+            break;
+        case WEIGHT_ULTRABOLD:
+            sCSS.append("font-weight: 800; ");
+            break;
+        default:
+            break;
+    }
+    switch (rFont.GetWidthType())
+    {
+        case WIDTH_ULTRA_CONDENSED:
+            sCSS.append("font-stretch: ultra-condensed; ");
+            break;
+        case WIDTH_EXTRA_CONDENSED:
+            sCSS.append("font-stretch: extra-condensed; ");
+            break;
+        case WIDTH_CONDENSED:
+            sCSS.append("font-stretch: condensed; ");
+            break;
+        case WIDTH_SEMI_CONDENSED:
+            sCSS.append("font-stretch: semi-condensed; ");
+            break;
+        case WIDTH_NORMAL:
+            sCSS.append("font-stretch: normal; ");
+            break;
+        case WIDTH_SEMI_EXPANDED:
+            sCSS.append("font-stretch: semi-expanded; ");
+            break;
+        case WIDTH_EXPANDED:
+            sCSS.append("font-stretch: expanded; ");
+            break;
+        case WIDTH_EXTRA_EXPANDED:
+            sCSS.append("font-stretch: extra-expanded; ");
+            break;
+        case WIDTH_ULTRA_EXPANDED:
+            sCSS.append("font-stretch: ultra-expanded; ");
+            break;
+        default:
+            break;
+    }
+    return sCSS.toString();
+}
+
+void update_attr_list(PangoAttrList* pAttrList, const vcl::Font& rFont)
+{
+    pango_attr_list_change(pAttrList, pango_attr_family_new(OUStringToOString(rFont.GetFamilyName(), RTL_TEXTENCODING_UTF8).getStr()));
+    pango_attr_list_change(pAttrList, pango_attr_size_new(rFont.GetFontSize().Height() * PANGO_SCALE));
+
+    switch (rFont.GetItalic())
+    {
+        case ITALIC_NONE:
+            pango_attr_list_change(pAttrList, pango_attr_style_new(PANGO_STYLE_NORMAL));
+            break;
+        case ITALIC_NORMAL:
+            pango_attr_list_change(pAttrList, pango_attr_style_new(PANGO_STYLE_ITALIC));
+            break;
+        case ITALIC_OBLIQUE:
+            pango_attr_list_change(pAttrList, pango_attr_style_new(PANGO_STYLE_OBLIQUE));
+            break;
+        default:
+            break;
+    }
+    switch (rFont.GetWeight())
+    {
+        case WEIGHT_ULTRALIGHT:
+            pango_attr_list_change(pAttrList, pango_attr_weight_new(PANGO_WEIGHT_ULTRALIGHT));
+            break;
+        case WEIGHT_LIGHT:
+            pango_attr_list_change(pAttrList, pango_attr_weight_new(PANGO_WEIGHT_LIGHT));
+            break;
+        case WEIGHT_NORMAL:
+            pango_attr_list_change(pAttrList, pango_attr_weight_new(PANGO_WEIGHT_NORMAL));
+            break;
+        case WEIGHT_BOLD:
+            pango_attr_list_change(pAttrList, pango_attr_weight_new(PANGO_WEIGHT_BOLD));
+            break;
+        case WEIGHT_ULTRABOLD:
+            pango_attr_list_change(pAttrList, pango_attr_weight_new(PANGO_WEIGHT_ULTRABOLD));
+            break;
+        default:
+            break;
+    }
+    switch (rFont.GetWidthType())
+    {
+        case WIDTH_ULTRA_CONDENSED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_ULTRA_CONDENSED));
+            break;
+        case WIDTH_EXTRA_CONDENSED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_EXTRA_CONDENSED));
+            break;
+        case WIDTH_CONDENSED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_CONDENSED));
+            break;
+        case WIDTH_SEMI_CONDENSED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_SEMI_CONDENSED));
+            break;
+        case WIDTH_NORMAL:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_NORMAL));
+            break;
+        case WIDTH_SEMI_EXPANDED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_SEMI_EXPANDED));
+            break;
+        case WIDTH_EXPANDED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_EXPANDED));
+            break;
+        case WIDTH_EXTRA_EXPANDED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_EXTRA_EXPANDED));
+            break;
+        case WIDTH_ULTRA_EXPANDED:
+            pango_attr_list_change(pAttrList, pango_attr_stretch_new(PANGO_STRETCH_ULTRA_EXPANDED));
+            break;
+        default:
+            break;
+    }
+}
+
+gboolean filter_pango_attrs(PangoAttribute *attr, gpointer data)
+{
+    PangoAttrType* pFilterAttrs = static_cast<PangoAttrType*>(data);
+    while (*pFilterAttrs)
+    {
+        if (attr->klass->type == *pFilterAttrs)
+            return true;
+        ++pFilterAttrs;
+    }
+    return false;
+}
+
+void set_font(GtkLabel* pLabel, const vcl::Font& rFont)
+{
+    PangoAttrList* pOrigList = gtk_label_get_attributes(pLabel);
+    PangoAttrList* pAttrList = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+
+    if (pOrigList)
+    {
+        // tdf#143443 remove both PANGO_ATTR_ABSOLUTE_SIZE and PANGO_ATTR_SIZE
+        // because pango_attr_list_change(..., pango_attr_size_new...) isn't
+        // sufficient on its own to ensure a new size sticks.
+        PangoAttrType aFilterAttrs[] = {PANGO_ATTR_ABSOLUTE_SIZE, PANGO_ATTR_SIZE, PANGO_ATTR_INVALID};
+        PangoAttrList* pRemovedAttrs = pango_attr_list_filter(pAttrList, filter_pango_attrs, &aFilterAttrs);
+        pango_attr_list_unref(pRemovedAttrs);
+    }
+
+    update_attr_list(pAttrList, rFont);
+    gtk_label_set_attributes(pLabel, pAttrList);
+    pango_attr_list_unref(pAttrList);
+}
+
+}
+
+namespace {
+
+class WidgetBackground
+{
+private:
+    GtkWidget* m_pWidget;
+    GtkCssProvider* m_pCustomCssProvider;
+    std::unique_ptr<utl::TempFileNamed> m_xCustomImage;
+
+public:
+    // See: https://developer.gnome.org/Buttons/
+    void use_custom_content(const VirtualDevice* pDevice)
+    {
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(m_pWidget);
+
+        if (m_pCustomCssProvider)
+        {
+            gtk_style_context_remove_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pCustomCssProvider));
+            m_pCustomCssProvider = nullptr;
+        }
+
+        m_xCustomImage.reset();
+
+        if (!pDevice)
+            return;
+
+        m_xCustomImage.reset(new utl::TempFileNamed);
+        m_xCustomImage->EnableKillingFile(true);
+
+        cairo_surface_t* surface = get_underlying_cairo_surface(*pDevice);
+        Size aSize = pDevice->GetOutputSizePixel();
+        cairo_surface_write_to_png(surface, OUStringToOString(m_xCustomImage->GetFileName(), osl_getThreadTextEncoding()).getStr());
+
+        m_pCustomCssProvider = gtk_css_provider_new();
+        OUString aBuffer = "* { background-image: url(\"" + m_xCustomImage->GetURL() + "\"); "
+                           "background-size: " + OUString::number(aSize.Width()) + "px " + OUString::number(aSize.Height()) + "px; "
+                           "border-radius: 0; border-width: 0; }";
+        OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8);
+        css_provider_load_from_data(m_pCustomCssProvider, aResult.getStr(), aResult.getLength());
+        gtk_style_context_add_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pCustomCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+
+public:
+    WidgetBackground(GtkWidget* pWidget)
+        : m_pWidget(pWidget)
+        , m_pCustomCssProvider(nullptr)
+    {
+    }
+
+    ~WidgetBackground()
+    {
+        if (m_pCustomCssProvider)
+            use_custom_content(nullptr);
+        assert(!m_pCustomCssProvider);
+    }
+};
+
+class WidgetFont
+{
+private:
+    GtkWidget* m_pWidget;
+    GtkCssProvider* m_pFontCssProvider;
+    std::unique_ptr<vcl::Font> m_xFont;
+public:
+    WidgetFont(GtkWidget* pWidget)
+        : m_pWidget(pWidget)
+        , m_pFontCssProvider(nullptr)
+    {
+    }
+
+    void use_custom_font(const vcl::Font* pFont, std::u16string_view rCSSSelector)
+    {
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(m_pWidget);
+        if (m_pFontCssProvider)
+        {
+            gtk_style_context_remove_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pFontCssProvider));
+            m_pFontCssProvider = nullptr;
+        }
+
+        m_xFont.reset();
+
+        if (!pFont)
+            return;
+
+        m_xFont.reset(new vcl::Font(*pFont));
+        m_pFontCssProvider = gtk_css_provider_new();
+        OUString aBuffer = rCSSSelector + OUString::Concat(" { ") + vcl_font_to_css(*pFont) + OUString::Concat(" }");
+        OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8);
+        css_provider_load_from_data(m_pFontCssProvider, aResult.getStr(), aResult.getLength());
+        gtk_style_context_add_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pFontCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+
+    const vcl::Font* get_custom_font() const
+    {
+        return m_xFont.get();
+    }
+
+    ~WidgetFont()
+    {
+        if (m_pFontCssProvider)
+            use_custom_font(nullptr, u"");
+        assert(!m_pFontCssProvider);
+    }
+};
+
+class GtkInstanceButton : public GtkInstanceWidget, public virtual weld::Button
+{
+private:
+    GtkButton* m_pButton;
+    gulong m_nSignalId;
+    std::optional<vcl::Font> m_xFont;
+    WidgetBackground m_aCustomBackground;
+
+    static void signalClicked(GtkButton*, gpointer widget)
+    {
+        GtkInstanceButton* pThis = static_cast<GtkInstanceButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_clicked();
+    }
+
+    virtual void ensureMouseEventWidget() override
+    {
+        // The GtkButton is sufficient to get mouse events without an intermediate GtkEventBox
+        if (!m_pMouseEventBox)
+            m_pMouseEventBox = m_pWidget;
+    }
+
+public:
+    GtkInstanceButton(GtkButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pButton), pBuilder, bTakeOwnership)
+        , m_pButton(pButton)
+        , m_nSignalId(g_signal_connect(pButton, "clicked", G_CALLBACK(signalClicked), this))
+        , m_aCustomBackground(GTK_WIDGET(pButton))
+    {
+        g_object_set_data(G_OBJECT(m_pButton), "g-lo-GtkInstanceButton", this);
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        ::button_set_label(m_pButton, rText);
+    }
+
+    virtual void set_image(VirtualDevice* pDevice) override
+    {
+        ::button_set_image(m_pButton, pDevice);
+    }
+
+    virtual void set_from_icon_name(const OUString& rIconName) override
+    {
+        ::button_set_from_icon_name(m_pButton, rIconName);
+    }
+
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rImage) override
+    {
+        ::button_set_image(m_pButton, rImage);
+    }
+
+    virtual void set_custom_button(VirtualDevice* pDevice) override
+    {
+        m_aCustomBackground.use_custom_content(pDevice);
+    }
+
+    virtual OUString get_label() const override
+    {
+        return ::button_get_label(m_pButton);
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_xFont = rFont;
+        GtkLabel* pChild = ::get_label_widget(GTK_WIDGET(m_pButton));
+        ::set_font(pChild, rFont);
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (m_xFont)
+            return *m_xFont;
+        return GtkInstanceWidget::get_font();
+    }
+
+    // allow us to block buttons with click handlers making dialogs return a response
+    bool has_click_handler() const
+    {
+        return m_aClickHdl.IsSet();
+    }
+
+    void clear_click_handler()
+    {
+        m_aClickHdl = Link<Button&, void>();
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pButton, m_nSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pButton, m_nSignalId);
+    }
+
+    virtual ~GtkInstanceButton() override
+    {
+        g_object_steal_data(G_OBJECT(m_pButton), "g-lo-GtkInstanceButton");
+        g_signal_handler_disconnect(m_pButton, m_nSignalId);
+    }
+};
+
+}
+
+void GtkInstanceDialog::asyncresponse(gint ret)
+{
+    SolarMutexGuard aGuard;
+
+    if (ret == GTK_RESPONSE_HELP)
+    {
+        help();
+        return;
+    }
+
+    GtkInstanceButton* pClickHandler = has_click_handler(ret);
+    if (pClickHandler)
+    {
+        // make GTK_RESPONSE_DELETE_EVENT act as if cancel button was pressed
+        if (ret == GTK_RESPONSE_DELETE_EVENT)
+            close(false);
+        return;
+    }
+
+    if (get_modal())
+        m_aDialogRun.dec_modal_count();
+    hide();
+
+    // move the self pointer, otherwise it might be de-allocated by time we try to reset it
+    auto xRunAsyncSelf = std::move(m_xRunAsyncSelf);
+    auto xDialogController = std::move(m_xDialogController);
+    auto aFunc = std::move(m_aFunc);
+
+    auto nResponseSignalId = m_nResponseSignalId;
+    auto nCancelSignalId = m_nCancelSignalId;
+    auto nSignalDeleteId = m_nSignalDeleteId;
+    m_nResponseSignalId = 0;
+    m_nCancelSignalId = 0;
+    m_nSignalDeleteId = 0;
+
+    if (aFunc)
+        aFunc(GtkToVcl(ret));
+
+    if (nResponseSignalId)
+        g_signal_handler_disconnect(m_pDialog, nResponseSignalId);
+    if (nCancelSignalId)
+        g_signal_handler_disconnect(m_pDialog, nCancelSignalId);
+    if (nSignalDeleteId)
+        g_signal_handler_disconnect(m_pDialog, nSignalDeleteId);
+
+    xDialogController.reset();
+    xRunAsyncSelf.reset();
+}
+
+int GtkInstanceDialog::run()
+{
+    // tdf#150723 "run" will make the dialog visible so drop m_aPosWhileInvis like show
+    m_aPosWhileInvis.reset();
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    if (GTK_IS_DIALOG(m_pDialog))
+        sort_native_button_order(GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(m_pDialog))));
+#endif
+    int ret;
+    while (true)
+    {
+        ret = m_aDialogRun.run();
+        if (ret == GTK_RESPONSE_HELP)
+        {
+            help();
+            continue;
+        }
+        else if (has_click_handler(ret))
+            continue;
+        break;
+    }
+    hide();
+    return GtkToVcl(ret);
+}
+
+weld::Button* GtkInstanceDialog::weld_widget_for_response(int nVclResponse)
+{
+    GtkButton* pButton = get_widget_for_response(VclToGtk(nVclResponse));
+    if (!pButton)
+        return nullptr;
+    return new GtkInstanceButton(pButton, m_pBuilder, false);
+}
+
+void GtkInstanceDialog::response(int nResponse)
+{
+    int nGtkResponse = VclToGtk(nResponse);
+    //unblock this response now when activated through code
+    if (GtkButton* pWidget = get_widget_for_response(nGtkResponse))
+    {
+        void* pData = g_object_get_data(G_OBJECT(pWidget), "g-lo-GtkInstanceButton");
+        GtkInstanceButton* pButton = static_cast<GtkInstanceButton*>(pData);
+        if (pButton)
+            pButton->clear_click_handler();
+    }
+    if (GTK_IS_DIALOG(m_pDialog))
+        gtk_dialog_response(GTK_DIALOG(m_pDialog), nGtkResponse);
+    else if (GTK_IS_ASSISTANT(m_pDialog))
+    {
+        if (!m_aDialogRun.loop_is_running())
+            asyncresponse(nGtkResponse);
+        else
+        {
+            m_aDialogRun.m_nResponseId = nGtkResponse;
+            m_aDialogRun.loop_quit();
+        }
+    }
+}
+
+void GtkInstanceDialog::close(bool bCloseSignal)
+{
+    GtkInstanceButton* pClickHandler = has_click_handler(GTK_RESPONSE_CANCEL);
+    if (pClickHandler)
+    {
+        if (bCloseSignal)
+            g_signal_stop_emission_by_name(m_pDialog, "close");
+        // make esc (bCloseSignal == true) or window-delete (bCloseSignal == false)
+        // act as if cancel button was pressed
+        pClickHandler->clicked();
+        return;
+    }
+    response(RET_CANCEL);
+}
+
+GtkInstanceButton* GtkInstanceDialog::has_click_handler(int nResponse)
+{
+    GtkInstanceButton* pButton = nullptr;
+    // e.g. map GTK_RESPONSE_DELETE_EVENT to GTK_RESPONSE_CANCEL
+    nResponse = VclToGtk(GtkToVcl(nResponse));
+    if (GtkButton* pWidget = get_widget_for_response(nResponse))
+    {
+        void* pData = g_object_get_data(G_OBJECT(pWidget), "g-lo-GtkInstanceButton");
+        pButton = static_cast<GtkInstanceButton*>(pData);
+        if (pButton && !pButton->has_click_handler())
+            pButton = nullptr;
+    }
+    return pButton;
+}
+
+namespace {
+
+class GtkInstanceToggleButton : public GtkInstanceButton, public virtual weld::ToggleButton
+{
+protected:
+    GtkToggleButton* m_pToggleButton;
+    gulong m_nToggledSignalId;
+private:
+    static void signalToggled(GtkToggleButton*, gpointer widget)
+    {
+        GtkInstanceToggleButton* pThis = static_cast<GtkInstanceToggleButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_toggled();
+    }
+public:
+    GtkInstanceToggleButton(GtkToggleButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceButton(GTK_BUTTON(pButton), pBuilder, bTakeOwnership)
+        , m_pToggleButton(pButton)
+        , m_nToggledSignalId(g_signal_connect(m_pToggleButton, "toggled", G_CALLBACK(signalToggled), this))
+    {
+    }
+
+    virtual void set_active(bool active) override
+    {
+        disable_notify_events();
+        set_inconsistent(false);
+        gtk_toggle_button_set_active(m_pToggleButton, active);
+        enable_notify_events();
+    }
+
+    virtual bool get_active() const override
+    {
+        return gtk_toggle_button_get_active(m_pToggleButton);
+    }
+
+    virtual void set_inconsistent(bool inconsistent) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (inconsistent)
+            gtk_widget_set_state_flags(GTK_WIDGET(m_pToggleButton), GTK_STATE_FLAG_INCONSISTENT, false);
+        else
+            gtk_widget_unset_state_flags(GTK_WIDGET(m_pToggleButton), GTK_STATE_FLAG_INCONSISTENT);
+#else
+        gtk_toggle_button_set_inconsistent(m_pToggleButton, inconsistent);
+#endif
+    }
+
+    virtual bool get_inconsistent() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_widget_get_state_flags(GTK_WIDGET(m_pToggleButton)) & GTK_STATE_FLAG_INCONSISTENT;
+#else
+        return gtk_toggle_button_get_inconsistent(m_pToggleButton);
+#endif
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pToggleButton, m_nToggledSignalId);
+        GtkInstanceButton::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceButton::enable_notify_events();
+        g_signal_handler_unblock(m_pToggleButton, m_nToggledSignalId);
+    }
+
+    virtual ~GtkInstanceToggleButton() override
+    {
+        g_signal_handler_disconnect(m_pToggleButton, m_nToggledSignalId);
+    }
+};
+
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+
+namespace {
+
+void do_grab(GtkWidget* pWidget)
+{
+    GdkDisplay *pDisplay = gtk_widget_get_display(pWidget);
+    GdkSeat* pSeat = gdk_display_get_default_seat(pDisplay);
+    gdk_seat_grab(pSeat, widget_get_surface(pWidget),
+                  GDK_SEAT_CAPABILITY_KEYBOARD, true, nullptr, nullptr, nullptr, nullptr);
+}
+
+void do_ungrab(GtkWidget* pWidget)
+{
+    GdkDisplay *pDisplay = gtk_widget_get_display(pWidget);
+    GdkSeat* pSeat = gdk_display_get_default_seat(pDisplay);
+    gdk_seat_ungrab(pSeat);
+}
+
+GtkPositionType show_menu_older_gtk(GtkWidget* pMenuButton, GtkWindow* pMenu, const GdkRectangle& rAnchor,
+                                    weld::Placement ePlace, bool bTryShrink)
+{
+    //place the toplevel just below its launcher button
+    GtkWidget* pToplevel = widget_get_toplevel(pMenuButton);
+    gtk_coord x, y, absx, absy;
+    gtk_widget_translate_coordinates(pMenuButton, pToplevel, rAnchor.x, rAnchor.y, &x, &y);
+    GdkSurface* pWindow = widget_get_surface(pToplevel);
+    gdk_window_get_position(pWindow, &absx, &absy);
+
+    x += absx;
+    y += absy;
+
+    gint nButtonHeight = rAnchor.height;
+    gint nButtonWidth = rAnchor.width;
+    if (ePlace == weld::Placement::Under)
+        y += nButtonHeight;
+    else
+        x += nButtonWidth;
+
+    gtk_window_group_add_window(gtk_window_get_group(GTK_WINDOW(pToplevel)), pMenu);
+    gtk_window_set_transient_for(pMenu, GTK_WINDOW(pToplevel));
+
+    gint nMenuWidth, nMenuHeight;
+    gtk_widget_get_size_request(GTK_WIDGET(pMenu), &nMenuWidth, &nMenuHeight);
+
+    if (nMenuWidth == -1 || nMenuHeight == -1)
+    {
+        GtkRequisition req;
+        gtk_widget_get_preferred_size(GTK_WIDGET(pMenu), nullptr, &req);
+        if (nMenuWidth == -1)
+            nMenuWidth = req.width;
+        if (nMenuHeight == -1)
+            nMenuHeight = req.height;
+    }
+
+    bool bSwapForRTL = SwapForRTL(pMenuButton);
+    if (bSwapForRTL)
+    {
+        if (ePlace == weld::Placement::Under)
+            x += nButtonWidth;
+        else
+            x -= nButtonWidth;
+        x -= nMenuWidth;
+    }
+
+    tools::Rectangle aWorkArea(::get_monitor_workarea(pMenuButton));
+
+    // shrink it a little, I find it reassuring to see a little margin with a
+    // long menu to know the menu is fully on screen
+    aWorkArea.AdjustTop(8);
+    aWorkArea.AdjustBottom(-8);
+    aWorkArea.AdjustLeft(8);
+    aWorkArea.AdjustRight(-8);
+
+    GtkPositionType ePosUsed;
+
+    if (ePlace == weld::Placement::Under)
+    {
+        gint endx = x + nMenuWidth;
+        if (endx > aWorkArea.Right())
+            x -= endx - aWorkArea.Right();
+        if (x < 0)
+            x = 0;
+
+        ePosUsed = GTK_POS_BOTTOM;
+        gint endy = y + nMenuHeight;
+        gint nMissingBelow = endy - aWorkArea.Bottom();
+        if (nMissingBelow > 0)
+        {
+            gint nNewY = y - (nButtonHeight + nMenuHeight);
+            gint nMissingAbove = aWorkArea.Top() - nNewY;
+            if (nMissingAbove > 0)
+            {
+                if (bTryShrink)
+                {
+                    if (nMissingBelow <= nMissingAbove)
+                        nMenuHeight -= nMissingBelow;
+                    else
+                    {
+                        nMenuHeight -= nMissingAbove;
+                        y = aWorkArea.Top();
+                        ePosUsed = GTK_POS_TOP;
+                    }
+                    gtk_widget_set_size_request(GTK_WIDGET(pMenu), nMenuWidth, nMenuHeight);
+                }
+                else
+                {
+                    if (nMissingBelow <= nMissingAbove)
+                        y -= nMissingBelow;
+                    else
+                    {
+                        y = aWorkArea.Top();
+                        ePosUsed = GTK_POS_TOP;
+                    }
+                }
+            }
+            else
+            {
+                y = nNewY;
+                ePosUsed = GTK_POS_TOP;
+            }
+        }
+    }
+    else
+    {
+        if (!bSwapForRTL)
+        {
+            ePosUsed = GTK_POS_RIGHT;
+            gint endx = x + nMenuWidth;
+            gint nMissingAfter = endx - aWorkArea.Right();
+            if (nMissingAfter > 0)
+            {
+                gint nNewX = x - (nButtonWidth + nMenuWidth);
+                if (nNewX >= aWorkArea.Left())
+                {
+                    x = nNewX;
+                    ePosUsed = GTK_POS_LEFT;
+                }
+            }
+        }
+        else
+        {
+            ePosUsed = GTK_POS_LEFT;
+            gint startx = x;
+            gint nMissingBefore = aWorkArea.Left() - startx;
+            if (nMissingBefore > 0)
+            {
+                gint nNewX = x + (nButtonWidth + nMenuWidth);
+                if (nNewX + nMenuWidth < aWorkArea.Right())
+                {
+                    x = nNewX;
+                    ePosUsed = GTK_POS_RIGHT;
+                }
+            }
+        }
+    }
+
+    gtk_window_move(pMenu, x, y);
+
+    return ePosUsed;
+}
+
+bool show_menu_newer_gtk(GtkWidget* pComboBox, GtkWindow* pMenu, const GdkRectangle &rAnchor,
+                         weld::Placement ePlace, bool bTryShrink)
+{
+    static auto window_move_to_rect = reinterpret_cast<void (*) (GdkWindow*, const GdkRectangle*, GdkGravity,
+                                                                 GdkGravity, GdkAnchorHints, gint, gint)>(
+                                                                    dlsym(nullptr, "gdk_window_move_to_rect"));
+    if (!window_move_to_rect)
+        return false;
+
+    // under wayland gdk_window_move_to_rect works great for me, but in my current
+    // gtk 3.24 under X it leaves part of long menus outside the work area
+    GdkDisplay *pDisplay = gtk_widget_get_display(pComboBox);
+    if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay))
+        return false;
+
+    //place the toplevel just below its launcher button
+    GtkWidget* pToplevel = widget_get_toplevel(pComboBox);
+    gtk_coord x, y;
+    gtk_widget_translate_coordinates(pComboBox, pToplevel, rAnchor.x, rAnchor.y, &x, &y);
+
+    gtk_widget_realize(GTK_WIDGET(pMenu));
+    gtk_window_group_add_window(gtk_window_get_group(GTK_WINDOW(pToplevel)), pMenu);
+    gtk_window_set_transient_for(pMenu, GTK_WINDOW(pToplevel));
+
+    bool bSwapForRTL = SwapForRTL(GTK_WIDGET(pComboBox));
+
+    GdkGravity rect_anchor;
+    GdkGravity menu_anchor;
+
+    if (ePlace == weld::Placement::Under)
+    {
+        rect_anchor = !bSwapForRTL ? GDK_GRAVITY_SOUTH_WEST : GDK_GRAVITY_SOUTH_EAST;
+        menu_anchor = !bSwapForRTL ? GDK_GRAVITY_NORTH_WEST : GDK_GRAVITY_NORTH_EAST;
+    }
+    else
+    {
+        rect_anchor = !bSwapForRTL ? GDK_GRAVITY_NORTH_EAST : GDK_GRAVITY_NORTH_WEST;
+        menu_anchor = !bSwapForRTL ? GDK_GRAVITY_NORTH_WEST : GDK_GRAVITY_NORTH_EAST;
+    }
+
+    GdkAnchorHints anchor_hints = static_cast<GdkAnchorHints>(GDK_ANCHOR_FLIP | GDK_ANCHOR_SLIDE);
+    if (bTryShrink)
+        anchor_hints = static_cast<GdkAnchorHints>(anchor_hints | GDK_ANCHOR_RESIZE);
+    GdkRectangle rect {x, y, rAnchor.width, rAnchor.height};
+    GdkSurface* toplevel = widget_get_surface(GTK_WIDGET(pMenu));
+
+    window_move_to_rect(toplevel, &rect, rect_anchor, menu_anchor, anchor_hints,
+                        0, 0);
+
+    return true;
+}
+
+GtkPositionType show_menu(GtkWidget* pMenuButton, GtkWindow* pMenu, const GdkRectangle& rAnchor,
+                          weld::Placement ePlace, bool bTryShrink)
+{
+    // we only use ePosUsed in the replacement-for-X-popover case of a
+    // MenuButton, so we only need it when show_menu_older_gtk is used
+    GtkPositionType ePosUsed = GTK_POS_BOTTOM;
+
+    // tdf#120764 It isn't allowed under wayland to have two visible popups that share
+    // the same top level parent. The problem is that since gtk 3.24 tooltips are also
+    // implemented as popups, which means that we cannot show any popup if there is a
+    // visible tooltip.
+    GtkWidget* pParent = widget_get_toplevel(pMenuButton);
+    GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+    if (pFrame)
+    {
+        // hide any current tooltip
+        pFrame->HideTooltip();
+        // don't allow any more to appear until menu is dismissed
+        pFrame->BlockTooltip();
+    }
+
+    // try with gdk_window_move_to_rect, but if that's not available, try without
+    if (!show_menu_newer_gtk(pMenuButton, pMenu, rAnchor, ePlace, bTryShrink))
+        ePosUsed = show_menu_older_gtk(pMenuButton, pMenu, rAnchor, ePlace, bTryShrink);
+    gtk_widget_show_all(GTK_WIDGET(pMenu));
+    gtk_widget_grab_focus(GTK_WIDGET(pMenu));
+    do_grab(GTK_WIDGET(pMenu));
+
+    return ePosUsed;
+}
+
+}
+#endif
+
+namespace {
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+bool button_event_is_outside(GtkWidget* pMenuHack, GdkEventButton* pEvent)
+{
+    //we want to pop down if the button was released outside our popup
+    gdouble x = pEvent->x_root;
+    gdouble y = pEvent->y_root;
+
+    gint window_x, window_y;
+    GdkSurface* pWindow = widget_get_surface(pMenuHack);
+    gdk_window_get_position(pWindow, &window_x, &window_y);
+
+    GtkAllocation alloc;
+    gtk_widget_get_allocation(pMenuHack, &alloc);
+    gint x1 = window_x;
+    gint y1 = window_y;
+    gint x2 = x1 + alloc.width;
+    gint y2 = y1 + alloc.height;
+
+    if (x > x1 && x < x2 && y > y1 && y < y2)
+        return false;
+
+    return true;
+}
+
+GtkPositionType MovePopoverContentsToWindow(GtkWidget* pPopover, GtkWindow* pMenuHack, GtkWidget* pAnchor,
+                                            const GdkRectangle& rAnchor, weld::Placement ePlace)
+{
+    //set border width
+    gtk_container_set_border_width(GTK_CONTAINER(pMenuHack), gtk_container_get_border_width(GTK_CONTAINER(pPopover)));
+
+    //steal popover contents and smuggle into toplevel display window
+    GtkWidget* pChild = gtk_bin_get_child(GTK_BIN(pPopover));
+    g_object_ref(pChild);
+    gtk_container_remove(GTK_CONTAINER(pPopover), pChild);
+    gtk_container_add(GTK_CONTAINER(pMenuHack), pChild);
+    g_object_unref(pChild);
+
+    GtkPositionType eRet = show_menu(pAnchor, pMenuHack, rAnchor, ePlace, false);
+
+    gtk_grab_add(GTK_WIDGET(pMenuHack));
+
+    GdkSurface* pSurface = widget_get_surface(GTK_WIDGET(pMenuHack));
+    g_object_set_data(G_OBJECT(pSurface), "g-lo-InstancePopup", GINT_TO_POINTER(true));
+
+    return eRet;
+}
+
+void MoveWindowContentsToPopover(GtkWindow* pMenuHack, GtkWidget* pPopover, GtkWidget* pAnchor)
+{
+    bool bHadFocus = gtk_window_has_toplevel_focus(pMenuHack);
+
+    do_ungrab(GTK_WIDGET(pMenuHack));
+
+    gtk_grab_remove(GTK_WIDGET(pMenuHack));
+
+    gtk_widget_hide(GTK_WIDGET(pMenuHack));
+    //put contents back from where the came from
+    GtkWidget* pChild = gtk_bin_get_child(GTK_BIN(pMenuHack));
+    g_object_ref(pChild);
+    gtk_container_remove(GTK_CONTAINER(pMenuHack), pChild);
+    gtk_container_add(GTK_CONTAINER(pPopover), pChild);
+    g_object_unref(pChild);
+
+    GdkSurface* pSurface = widget_get_surface(GTK_WIDGET(pMenuHack));
+    g_object_set_data(G_OBJECT(pSurface), "g-lo-InstancePopup", GINT_TO_POINTER(false));
+
+    // so gdk_window_move_to_rect will work again the next time
+    gtk_widget_unrealize(GTK_WIDGET(pMenuHack));
+
+    gtk_widget_set_size_request(GTK_WIDGET(pMenuHack), -1, -1);
+
+    // undo show_menu tooltip blocking
+    GtkWidget* pParent = widget_get_toplevel(pAnchor);
+    GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+    if (pFrame)
+        pFrame->UnblockTooltip();
+
+    if (bHadFocus)
+    {
+        GdkSurface* pParentSurface = pParent ? widget_get_surface(pParent) : nullptr;
+        void* pParentIsPopover = pParentSurface ? g_object_get_data(G_OBJECT(pParentSurface), "g-lo-InstancePopup") : nullptr;
+        if (pParentIsPopover)
+            do_grab(pAnchor);
+        gtk_widget_grab_focus(pAnchor);
+    }
+}
+
+#endif
+
+/* four types of uses of this
+   a) textual menubutton, always with pan-down symbol, e.g. math, format, font, modify
+   b) image + text, always with additional pan-down symbol, e.g. writer, format, watermark
+   c) gear menu, never with text and without pan-down symbol where there is a replacement
+      icon for pan-down, e.g.  file, new, templates
+   d) image, always with additional pan-down symbol, e.g. calc, insert, header/footer */
+#if !GTK_CHECK_VERSION(4, 0, 0)
+class GtkInstanceMenuButton : public GtkInstanceToggleButton, public MenuHelper, public virtual weld::MenuButton
+#else
+class GtkInstanceMenuButton : public GtkInstanceWidget, public MenuHelper, public virtual weld::MenuButton
+#endif
+{
+protected:
+    GtkMenuButton* m_pMenuButton;
+private:
+    GtkBox* m_pBox;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkImage* m_pImage;
+#else
+    GtkPicture* m_pImage;
+    GtkToggleButton* m_pMenuButtonToggleButton;
+#endif
+    GtkWidget* m_pLabel;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    //popover cannot escape dialog under X so stick up own window instead
+    GtkWindow* m_pMenuHack;
+    //when doing so, if it's a toolbar menubutton align the menu to the full toolitem
+    GtkWidget* m_pMenuHackAlign;
+    bool m_nButtonPressSeen;
+    gulong m_nSignalId;
+#endif
+    GtkWidget* m_pPopover;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nToggledSignalId;
+    std::optional<vcl::Font> m_xFont;
+    WidgetBackground m_aCustomBackground;
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalMenuButtonToggled(GtkWidget*, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->menu_toggled();
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void menu_toggled()
+    {
+        if (!m_pMenuHack)
+            return;
+        if (!get_active())
+        {
+            m_nButtonPressSeen = false;
+            MoveWindowContentsToPopover(m_pMenuHack, m_pPopover, GTK_WIDGET(m_pMenuButton));
+        }
+        else
+        {
+            GtkWidget* pAnchor = m_pMenuHackAlign ? m_pMenuHackAlign : GTK_WIDGET(m_pMenuButton);
+            GdkRectangle aAnchor {0, 0, gtk_widget_get_allocated_width(pAnchor), gtk_widget_get_allocated_height(pAnchor) };
+            GtkPositionType ePosUsed = MovePopoverContentsToWindow(m_pPopover, m_pMenuHack, pAnchor, aAnchor, weld::Placement::Under);
+            // tdf#132540 keep the placeholder popover on this same side as the replacement menu
+            gtk_popover_set_position(gtk_menu_button_get_popover(m_pMenuButton), ePosUsed);
+        }
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalGrabBroken(GtkWidget*, GdkEventGrabBroken *pEvent, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        pThis->grab_broken(pEvent);
+    }
+
+    void grab_broken(const GdkEventGrabBroken *event)
+    {
+        if (event->grab_window == nullptr)
+        {
+            set_active(false);
+        }
+        else if (!g_object_get_data(G_OBJECT(event->grab_window), "g-lo-InstancePopup")) // another LibreOffice popover took a grab
+        {
+            //try and regrab, so when we lose the grab to the menu of the color palette
+            //combobox we regain it so the color palette doesn't itself disappear on next
+            //click on the color palette combobox
+            do_grab(GTK_WIDGET(m_pMenuHack));
+        }
+    }
+
+    static gboolean signalButtonPress(GtkWidget* /*pWidget*/, GdkEventButton* /*pEvent*/, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        pThis->m_nButtonPressSeen = true;
+        return false;
+    }
+
+    static gboolean signalButtonRelease(GtkWidget* /*pWidget*/, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        if (pThis->m_nButtonPressSeen && button_event_is_outside(GTK_WIDGET(pThis->m_pMenuHack), pEvent))
+            pThis->set_active(false);
+        return false;
+    }
+
+    static gboolean keyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        return pThis->key_press(pEvent);
+    }
+
+    bool key_press(const GdkEventKey* pEvent)
+    {
+        if (pEvent->keyval == GDK_KEY_Escape)
+        {
+            set_active(false);
+            return true;
+        }
+        return false;
+    }
+#endif
+
+    void ensure_image_widget()
+    {
+        if (m_pImage)
+            return;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_pImage = GTK_IMAGE(gtk_image_new());
+        gtk_box_pack_start(m_pBox, GTK_WIDGET(m_pImage), false, false, 0);
+        gtk_box_reorder_child(m_pBox, GTK_WIDGET(m_pImage), 0);
+#else
+        m_pImage = GTK_PICTURE(gtk_picture_new());
+        gtk_widget_set_halign(GTK_WIDGET(m_pImage), GTK_ALIGN_CENTER);
+        gtk_widget_set_valign(GTK_WIDGET(m_pImage), GTK_ALIGN_CENTER);
+        gtk_box_prepend(m_pBox, GTK_WIDGET(m_pImage));
+        gtk_widget_set_halign(m_pLabel, GTK_ALIGN_START);
+#endif
+        gtk_widget_show(GTK_WIDGET(m_pImage));
+    }
+
+    static void signalFlagsChanged(GtkToggleButton* pToggleButton, GtkStateFlags flags, gpointer widget)
+    {
+        GtkInstanceMenuButton* pThis = static_cast<GtkInstanceMenuButton*>(widget);
+        bool bOldChecked = flags & GTK_STATE_FLAG_CHECKED;
+        bool bNewChecked = gtk_widget_get_state_flags(GTK_WIDGET(pToggleButton)) & GTK_STATE_FLAG_CHECKED;
+        if (bOldChecked == bNewChecked)
+            return;
+        if (bOldChecked && gtk_widget_get_focus_on_click(GTK_WIDGET(pToggleButton)))
+        {
+            // grab focus back to the toggle button if the menu was popped down
+            gtk_widget_grab_focus(GTK_WIDGET(pToggleButton));
+        }
+        SolarMutexGuard aGuard;
+        pThis->signal_toggled();
+    }
+
+public:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceMenuButton(GtkMenuButton* pMenuButton, GtkWidget* pMenuAlign, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceToggleButton(GTK_TOGGLE_BUTTON(pMenuButton), pBuilder, bTakeOwnership)
+        , MenuHelper(gtk_menu_button_get_popup(pMenuButton), false)
+#else
+    GtkInstanceMenuButton(GtkMenuButton* pMenuButton, GtkWidget* pMenuAlign, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pMenuButton), pBuilder, bTakeOwnership)
+        , MenuHelper(GTK_POPOVER_MENU(gtk_menu_button_get_popover(pMenuButton)), false)
+#endif
+        , m_pMenuButton(pMenuButton)
+        , m_pImage(nullptr)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_pMenuHack(nullptr)
+        , m_pMenuHackAlign(pMenuAlign)
+        , m_nButtonPressSeen(true)
+        , m_nSignalId(0)
+#endif
+        , m_pPopover(nullptr)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_aCustomBackground(GTK_WIDGET(pMenuButton))
+#endif
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // tdf#142924 "toggled" is too late to use to populate changes to the menu,
+        // so use "state-flag-changed" on GTK_STATE_FLAG_CHECKED instead which
+        // happens before "toggled"
+        g_signal_handler_disconnect(m_pToggleButton, m_nToggledSignalId);
+        m_nToggledSignalId = g_signal_connect(m_pToggleButton, "state-flags-changed", G_CALLBACK(signalFlagsChanged), this);
+
+        m_pLabel = gtk_bin_get_child(GTK_BIN(m_pMenuButton));
+        m_pImage = get_image_widget(GTK_WIDGET(m_pMenuButton));
+        m_pBox = formatMenuButton(m_pLabel);
+#else
+        GtkWidget* pToggleButton = gtk_widget_get_first_child(GTK_WIDGET(m_pMenuButton));
+        assert(GTK_IS_TOGGLE_BUTTON(pToggleButton));
+        m_pMenuButtonToggleButton = GTK_TOGGLE_BUTTON(pToggleButton);
+        m_nToggledSignalId = g_signal_connect(m_pMenuButtonToggleButton, "state-flags-changed", G_CALLBACK(signalFlagsChanged), this);
+        GtkWidget* pChild = gtk_button_get_child(GTK_BUTTON(pToggleButton));
+        m_pBox = GTK_IS_BOX(pChild) ? GTK_BOX(pChild) : nullptr;
+        m_pLabel = m_pBox ? gtk_widget_get_first_child(GTK_WIDGET(m_pBox)) : nullptr;
+        (void)pMenuAlign;
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_insert_action_group(GTK_WIDGET(m_pMenuButton), "menu", m_pActionGroup);
+
+        update_action_group_from_popover_model();
+#endif
+    }
+
+    virtual void set_size_request(int nWidth, int nHeight) override
+    {
+        // tweak the label to get a narrower size to stick
+        if (GTK_IS_LABEL(m_pLabel))
+            gtk_label_set_ellipsize(GTK_LABEL(m_pLabel), PANGO_ELLIPSIZE_MIDDLE);
+        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        ::set_label(GTK_LABEL(m_pLabel), rText);
+    }
+
+    virtual OUString get_label() const override
+    {
+        return ::get_label(GTK_LABEL(m_pLabel));
+    }
+
+    virtual void set_image(VirtualDevice* pDevice) override
+    {
+        ensure_image_widget();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        picture_set_from_virtual_device(m_pImage, pDevice);
+#else
+        image_set_from_virtual_device(m_pImage, pDevice);
+#endif
+    }
+
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rImage) override
+    {
+        ensure_image_widget();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        picture_set_from_xgraphic(m_pImage, rImage);
+#else
+        image_set_from_xgraphic(m_pImage, rImage);
+#endif
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    virtual void set_from_icon_name(const OUString& rIconName) override
+    {
+        ensure_image_widget();
+        picture_set_from_icon_name(m_pImage, rIconName);
+    }
+
+    virtual void set_custom_button(VirtualDevice* pDevice) override
+    {
+        m_aCustomBackground.use_custom_content(pDevice);
+    }
+
+    virtual void set_inconsistent(bool inconsistent) override
+    {
+        if (inconsistent)
+            gtk_widget_set_state_flags(GTK_WIDGET(m_pMenuButton), GTK_STATE_FLAG_INCONSISTENT, false);
+        else
+            gtk_widget_unset_state_flags(GTK_WIDGET(m_pMenuButton), GTK_STATE_FLAG_INCONSISTENT);
+    }
+
+    virtual bool get_inconsistent() const override
+    {
+        return gtk_widget_get_state_flags(GTK_WIDGET(m_pMenuButton)) & GTK_STATE_FLAG_INCONSISTENT;
+    }
+
+    virtual void set_active(bool active) override
+    {
+        disable_notify_events();
+        set_inconsistent(false);
+        if (active)
+            gtk_menu_button_popup(m_pMenuButton);
+        else
+            gtk_menu_button_popdown(m_pMenuButton);
+        enable_notify_events();
+    }
+
+    virtual bool get_active() const override
+    {
+        GtkPopover* pPopover = gtk_menu_button_get_popover(m_pMenuButton);
+        return pPopover && gtk_widget_get_visible(GTK_WIDGET(pPopover));
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_xFont = rFont;
+        GtkLabel* pChild = ::get_label_widget(GTK_WIDGET(m_pMenuButton));
+        ::set_font(pChild, rFont);
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (m_xFont)
+            return *m_xFont;
+        return GtkInstanceWidget::get_font();
+    }
+#else
+    virtual void set_active(bool bActive) override
+    {
+        bool bWasActive = get_active();
+        GtkInstanceToggleButton::set_active(bActive);
+        if (bWasActive && !bActive && gtk_widget_get_focus_on_click(GTK_WIDGET(m_pMenuButton)))
+        {
+            // grab focus back to the toggle button if the menu was popped down
+            gtk_widget_grab_focus(GTK_WIDGET(m_pMenuButton));
+        }
+    }
+#endif
+
+    virtual void insert_item(int pos, const OUString& rId, const OUString& rStr,
+                        const OUString* pIconName, VirtualDevice* pImageSurface, TriState eCheckRadioFalse) override
+    {
+        MenuHelper::insert_item(pos, rId, rStr, pIconName, pImageSurface, eCheckRadioFalse);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        MenuHelper::insert_separator(pos, rId);
+    }
+
+    virtual void remove_item(const OUString& rId) override
+    {
+        MenuHelper::remove_item(rId);
+    }
+
+    virtual void clear() override
+    {
+        MenuHelper::clear_items();
+    }
+
+    virtual void set_item_active(const OUString& rIdent, bool bActive) override
+    {
+        MenuHelper::set_item_active(rIdent, bActive);
+    }
+
+    virtual void set_item_sensitive(const OUString& rIdent, bool bSensitive) override
+    {
+        MenuHelper::set_item_sensitive(rIdent, bSensitive);
+    }
+
+    virtual void set_item_label(const OUString& rIdent, const OUString& rLabel) override
+    {
+        MenuHelper::set_item_label(rIdent, rLabel);
+    }
+
+    virtual OUString get_item_label(const OUString& rIdent) const override
+    {
+        return MenuHelper::get_item_label(rIdent);
+    }
+
+    virtual void set_item_visible(const OUString& rIdent, bool bVisible) override
+    {
+        MenuHelper::set_item_visible(rIdent, bVisible);
+    }
+
+    virtual void signal_item_activate(const OUString& rIdent) override
+    {
+        signal_selected(rIdent);
+    }
+
+    virtual void set_popover(weld::Widget* pPopover) override
+    {
+        GtkInstanceWidget* pPopoverWidget = dynamic_cast<GtkInstanceWidget*>(pPopover);
+        m_pPopover = pPopoverWidget ? pPopoverWidget->getWidget() : nullptr;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_menu_button_set_popover(m_pMenuButton, m_pPopover);
+        update_action_group_from_popover_model();
+        return;
+#else
+
+        if (!m_pPopover)
+        {
+            gtk_menu_button_set_popover(m_pMenuButton, nullptr);
+            return;
+        }
+
+        if (!m_pMenuHack)
+        {
+            //under wayland a Popover will work to "escape" the parent dialog, not
+            //so under X, so come up with this hack to use a raw GtkWindow
+            GdkDisplay *pDisplay = gtk_widget_get_display(m_pWidget);
+            if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay) && gtk_popover_get_constrain_to(GTK_POPOVER(m_pPopover)) == GTK_POPOVER_CONSTRAINT_NONE)
+            {
+                m_pMenuHack = GTK_WINDOW(gtk_window_new(GTK_WINDOW_POPUP));
+                gtk_window_set_type_hint(m_pMenuHack, GDK_WINDOW_TYPE_HINT_COMBO);
+                // See writer "format, watermark" for true here. Can't interact with the replacement popover otherwise.
+                gtk_window_set_modal(m_pMenuHack, true);
+                gtk_window_set_resizable(m_pMenuHack, false);
+                m_nSignalId = g_signal_connect(GTK_TOGGLE_BUTTON(m_pMenuButton), "toggled", G_CALLBACK(signalMenuButtonToggled), this);
+                g_signal_connect(m_pMenuHack, "key-press-event", G_CALLBACK(keyPress), this);
+                g_signal_connect(m_pMenuHack, "grab-broken-event", G_CALLBACK(signalGrabBroken), this);
+                g_signal_connect(m_pMenuHack, "button-press-event", G_CALLBACK(signalButtonPress), this);
+                g_signal_connect(m_pMenuHack, "button-release-event", G_CALLBACK(signalButtonRelease), this);
+            }
+        }
+
+        if (m_pMenuHack)
+        {
+            GtkWidget* pPlaceHolder = gtk_popover_new(GTK_WIDGET(m_pMenuButton));
+            gtk_popover_set_transitions_enabled(GTK_POPOVER(pPlaceHolder), false);
+
+            // tdf#132540 theme the unwanted popover into invisibility
+            GtkStyleContext *pPopoverContext = gtk_widget_get_style_context(pPlaceHolder);
+            GtkCssProvider *pProvider = gtk_css_provider_new();
+            static const gchar data[] = "popover { box-shadow: none; padding: 0 0 0 0; margin: 0 0 0 0; border-image: none; border-image-width: 0 0 0 0; background-image: none; background-color: transparent; border-radius: 0 0 0 0; border-width: 0 0 0 0; border-style: none; border-color: transparent; opacity: 0; min-height: 0; min-width: 0; }";
+            css_provider_load_from_data(pProvider, data, -1);
+            gtk_style_context_add_provider(pPopoverContext, GTK_STYLE_PROVIDER(pProvider),
+                                           GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+            gtk_menu_button_set_popover(m_pMenuButton, pPlaceHolder);
+        }
+        else
+        {
+            gtk_menu_button_set_popover(m_pMenuButton, m_pPopover);
+            gtk_widget_show_all(m_pPopover);
+        }
+#endif
+    }
+
+    void set_menu(weld::Menu* pMenu);
+
+    static GtkBox* formatMenuButton(GtkWidget* pLabel)
+    {
+        // format the GtkMenuButton "manually" so we can have the dropdown image in GtkMenuButtons shown
+        // on the right at the same time as an image is shown on the left
+        g_object_ref(pLabel);
+        GtkWidget* pContainer = gtk_widget_get_parent(pLabel);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_remove(GTK_CONTAINER(pContainer), pLabel);
+#else
+        gtk_box_remove(GTK_BOX(pContainer), pLabel);
+#endif
+
+        gint nImageSpacing(2);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkStyleContext *pContext = gtk_widget_get_style_context(pContainer);
+        gtk_style_context_get_style(pContext, "image-spacing", &nImageSpacing, nullptr);
+#endif
+        GtkBox* pBox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, nImageSpacing));
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_box_pack_start(pBox, pLabel, true, true, 0);
+#else
+        gtk_widget_set_halign(pLabel, GTK_ALIGN_START);
+        gtk_box_prepend(pBox, pLabel);
+#endif
+        g_object_unref(pLabel);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (gtk_toggle_button_get_mode(GTK_TOGGLE_BUTTON(pContainer)))
+            gtk_box_pack_end(pBox, gtk_image_new_from_icon_name("pan-down-symbolic", GTK_ICON_SIZE_BUTTON), false, false, 0);
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_container_add(GTK_CONTAINER(pContainer), GTK_WIDGET(pBox));
+#else
+        gtk_box_prepend(GTK_BOX(pContainer), GTK_WIDGET(pBox));
+#endif
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_show_all(GTK_WIDGET(pBox));
+#else
+        gtk_widget_show(GTK_WIDGET(pBox));
+#endif
+
+        return pBox;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pMenuButtonToggleButton, m_nToggledSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pMenuButtonToggleButton, m_nToggledSignalId);
+    }
+#endif
+
+    virtual ~GtkInstanceMenuButton() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pMenuButtonToggleButton, m_nToggledSignalId);
+        gtk_widget_insert_action_group(GTK_WIDGET(m_pMenuButton), "menu", nullptr);
+#else
+        if (m_pMenuHack)
+        {
+            g_signal_handler_disconnect(m_pMenuButton, m_nSignalId);
+            gtk_menu_button_set_popover(m_pMenuButton, nullptr);
+            gtk_widget_destroy(GTK_WIDGET(m_pMenuHack));
+        }
+#endif
+    }
+};
+
+class GtkInstanceMenuToggleButton : public GtkInstanceToggleButton, public MenuHelper
+                                  , public virtual weld::MenuToggleButton
+{
+private:
+    GtkBox* m_pContainer;
+    GtkButton* m_pToggleMenuButton;
+    GtkMenuButton* m_pMenuButton;
+    gulong m_nMenuBtnClickedId;
+    gulong m_nToggleStateFlagsChangedId;
+    gulong m_nMenuBtnStateFlagsChangedId;
+
+    static void signalToggleStateFlagsChanged(GtkWidget* pWidget, GtkStateFlags /*eFlags*/, gpointer widget)
+    {
+        GtkInstanceMenuToggleButton* pThis = static_cast<GtkInstanceMenuToggleButton*>(widget);
+        // mirror togglebutton state to menubutton
+        gtk_widget_set_state_flags(GTK_WIDGET(pThis->m_pToggleMenuButton), gtk_widget_get_state_flags(pWidget), true);
+    }
+
+    static void signalMenuBtnStateFlagsChanged(GtkWidget* pWidget, GtkStateFlags /*eFlags*/, gpointer widget)
+    {
+        GtkInstanceMenuToggleButton* pThis = static_cast<GtkInstanceMenuToggleButton*>(widget);
+        // mirror menubutton to togglebutton, keeping depressed state of menubutton
+        GtkStateFlags eToggleFlags = gtk_widget_get_state_flags(GTK_WIDGET(pThis->m_pToggleButton));
+        GtkStateFlags eFlags = gtk_widget_get_state_flags(pWidget);
+        GtkStateFlags eFinalFlags = static_cast<GtkStateFlags>((eFlags & ~GTK_STATE_FLAG_ACTIVE) |
+                                                               (eToggleFlags & GTK_STATE_FLAG_ACTIVE));
+        gtk_widget_set_state_flags(GTK_WIDGET(pThis->m_pToggleButton), eFinalFlags, true);
+    }
+
+    static void signalMenuBtnClicked(GtkButton*, gpointer widget)
+    {
+        GtkInstanceMenuToggleButton* pThis = static_cast<GtkInstanceMenuToggleButton*>(widget);
+        pThis->launch_menu();
+    }
+
+    void launch_menu()
+    {
+        gtk_widget_set_state_flags(GTK_WIDGET(m_pToggleMenuButton), gtk_widget_get_state_flags(GTK_WIDGET(m_pToggleButton)), true);
+        GtkWidget* pWidget = GTK_WIDGET(m_pToggleButton);
+
+        //run in a sub main loop because we need to keep vcl PopupMenu alive to use
+        //it during DispatchCommand, returning now to the outer loop causes the
+        //launching PopupMenu to be destroyed, instead run the subloop here
+        //until the gtk menu is destroyed
+        GMainLoop* pLoop = g_main_loop_new(nullptr, true);
+
+#if  GTK_CHECK_VERSION(4, 0, 0)
+        gulong nSignalId = g_signal_connect_swapped(G_OBJECT(m_pMenu), "closed", G_CALLBACK(g_main_loop_quit), pLoop);
+
+        g_object_ref(m_pMenu);
+        gtk_menu_button_set_popover(m_pMenuButton, nullptr);
+        gtk_widget_set_parent(GTK_WIDGET(m_pMenu), pWidget);
+        gtk_popover_set_position(GTK_POPOVER(m_pMenu), GTK_POS_BOTTOM);
+        gtk_popover_popup(GTK_POPOVER(m_pMenu));
+#else
+        gulong nSignalId = g_signal_connect_swapped(G_OBJECT(m_pMenu), "deactivate", G_CALLBACK(g_main_loop_quit), pLoop);
+
+#if GTK_CHECK_VERSION(3,22,0)
+        if (gtk_check_version(3, 22, 0) == nullptr)
+        {
+            // Send a keyboard event through gtk_main_do_event to toggle any active tooltip offs
+            // before trying to launch the menu
+            // https://gitlab.gnome.org/GNOME/gtk/issues/1785
+            // Fixed in GTK 2.34
+            GdkEvent *pKeyEvent = GtkSalFrame::makeFakeKeyPress(pWidget);
+            gtk_main_do_event(pKeyEvent);
+
+            GdkEvent *pTriggerEvent = gtk_get_current_event();
+            if (!pTriggerEvent)
+                pTriggerEvent = pKeyEvent;
+
+            gtk_menu_popup_at_widget(m_pMenu, pWidget, GDK_GRAVITY_SOUTH_WEST, GDK_GRAVITY_NORTH_WEST, pTriggerEvent);
+
+            gdk_event_free(pKeyEvent);
+        }
+        else
+#endif
+        {
+            guint nButton;
+            guint32 nTime;
+
+            //typically there is an event, and we can then distinguish if this was
+            //launched from the keyboard (gets auto-mnemoniced) or the mouse (which
+            //doesn't)
+            GdkEvent *pEvent = gtk_get_current_event();
+            if (pEvent)
+            {
+                gdk_event_get_button(pEvent, &nButton);
+                nTime = gdk_event_get_time(pEvent);
+            }
+            else
+            {
+                nButton = 0;
+                nTime = GtkSalFrame::GetLastInputEventTime();
+            }
+
+            gtk_menu_popup(m_pMenu, nullptr, nullptr, nullptr, nullptr, nButton, nTime);
+        }
+#endif
+
+        if (g_main_loop_is_running(pLoop))
+            main_loop_run(pLoop);
+
+        g_main_loop_unref(pLoop);
+        g_signal_handler_disconnect(m_pMenu, nSignalId);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_unparent(GTK_WIDGET(m_pMenu));
+        gtk_menu_button_set_popover(m_pMenuButton, GTK_WIDGET(m_pMenu));
+        g_object_unref(m_pMenu);
+#endif
+
+    }
+
+    static gboolean signalMenuToggleButton(GtkWidget*, gboolean bGroupCycling, gpointer widget)
+    {
+        GtkInstanceMenuToggleButton* pThis = static_cast<GtkInstanceMenuToggleButton*>(widget);
+        return gtk_widget_mnemonic_activate(GTK_WIDGET(pThis->m_pToggleButton), bGroupCycling);
+    }
+
+public:
+    GtkInstanceMenuToggleButton(GtkBuilder* pMenuToggleButtonBuilder, GtkMenuButton* pMenuButton,
+        GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceToggleButton(GTK_TOGGLE_BUTTON(gtk_builder_get_object(pMenuToggleButtonBuilder, "togglebutton")),
+                                  pBuilder, bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , MenuHelper(gtk_menu_button_get_popup(pMenuButton), false)
+#else
+        , MenuHelper(GTK_POPOVER_MENU(gtk_menu_button_get_popover(pMenuButton)), false)
+#endif
+        , m_pContainer(GTK_BOX(gtk_builder_get_object(pMenuToggleButtonBuilder, "box")))
+        , m_pToggleMenuButton(GTK_BUTTON(gtk_builder_get_object(pMenuToggleButtonBuilder, "menubutton")))
+        , m_pMenuButton(pMenuButton)
+        , m_nMenuBtnClickedId(g_signal_connect(m_pToggleMenuButton, "clicked", G_CALLBACK(signalMenuBtnClicked), this))
+        , m_nToggleStateFlagsChangedId(g_signal_connect(m_pToggleButton, "state-flags-changed", G_CALLBACK(signalToggleStateFlagsChanged), this))
+        , m_nMenuBtnStateFlagsChangedId(g_signal_connect(m_pToggleMenuButton, "state-flags-changed", G_CALLBACK(signalMenuBtnStateFlagsChanged), this))
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkInstanceMenuButton::formatMenuButton(gtk_bin_get_child(GTK_BIN(m_pMenuButton)));
+#endif
+
+        insertAsParent(GTK_WIDGET(m_pMenuButton), GTK_WIDGET(m_pContainer));
+        gtk_widget_hide(GTK_WIDGET(m_pMenuButton));
+
+        // move the first GtkMenuButton child, as created by GtkInstanceMenuButton ctor, into the GtkToggleButton
+        // instead, leaving just the indicator behind in the GtkMenuButton
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pButtonBox = gtk_bin_get_child(GTK_BIN(m_pMenuButton));
+        GList* pChildren = gtk_container_get_children(GTK_CONTAINER(pButtonBox));
+        int nGroup = 0;
+        for (GList* pChild = g_list_first(pChildren); pChild && nGroup < 2; pChild = g_list_next(pChild), ++nGroup)
+        {
+            GtkWidget* pWidget = static_cast<GtkWidget*>(pChild->data);
+            g_object_ref(pWidget);
+            gtk_container_remove(GTK_CONTAINER(pButtonBox), pWidget);
+            if (nGroup == 0)
+                gtk_container_add(GTK_CONTAINER(m_pToggleButton), pWidget);
+            else
+                gtk_container_add(GTK_CONTAINER(m_pToggleMenuButton), pWidget);
+            gtk_widget_show_all(pWidget);
+            g_object_unref(pWidget);
+        }
+        g_list_free(pChildren);
+#else
+        GtkWidget* pChild;
+        if (gtk_check_version(4, 5, 0) == nullptr)
+        {
+            pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pMenuButton));
+            pChild = gtk_widget_get_first_child(pChild);
+            pChild = gtk_widget_get_first_child(pChild);
+        }
+        else
+            pChild = gtk_widget_get_last_child(GTK_WIDGET(m_pMenuButton));
+        g_object_ref(pChild);
+        gtk_widget_unparent(pChild);
+        gtk_button_set_child(GTK_BUTTON(m_pToggleButton), pChild);
+        g_object_unref(pChild);
+#endif
+
+        // match the GtkToggleButton relief to the GtkMenuButton
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        const GtkReliefStyle eStyle = gtk_button_get_relief(GTK_BUTTON(m_pMenuButton));
+        gtk_button_set_relief(GTK_BUTTON(m_pToggleButton), eStyle);
+        gtk_button_set_relief(GTK_BUTTON(m_pToggleMenuButton), eStyle);
+#else
+        const bool bStyle = gtk_menu_button_get_has_frame(GTK_MENU_BUTTON(m_pMenuButton));
+        gtk_button_set_has_frame(GTK_BUTTON(m_pToggleButton), bStyle);
+        gtk_button_set_has_frame(GTK_BUTTON(m_pToggleMenuButton), bStyle);
+#endif
+
+        // move the GtkMenuButton margins up to the new parent
+        gtk_widget_set_margin_top(GTK_WIDGET(m_pContainer),
+            gtk_widget_get_margin_top(GTK_WIDGET(m_pMenuButton)));
+        gtk_widget_set_margin_bottom(GTK_WIDGET(m_pContainer),
+            gtk_widget_get_margin_bottom(GTK_WIDGET(m_pMenuButton)));
+        gtk_widget_set_margin_start(GTK_WIDGET(m_pContainer),
+            gtk_widget_get_margin_start(GTK_WIDGET(m_pMenuButton)));
+        gtk_widget_set_margin_end(GTK_WIDGET(m_pContainer),
+            gtk_widget_get_margin_end(GTK_WIDGET(m_pMenuButton)));
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_menu_detach(m_pMenu);
+        gtk_menu_attach_to_widget(m_pMenu, GTK_WIDGET(m_pToggleButton), nullptr);
+#else
+        gtk_widget_insert_action_group(GTK_WIDGET(m_pContainer), "menu", m_pActionGroup);
+
+        update_action_group_from_popover_model();
+#endif
+
+        g_signal_connect(m_pContainer, "mnemonic-activate", G_CALLBACK(signalMenuToggleButton), this);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pToggleMenuButton, m_nMenuBtnClickedId);
+        GtkInstanceToggleButton::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceToggleButton::enable_notify_events();
+        g_signal_handler_unblock(m_pToggleMenuButton, m_nMenuBtnClickedId);
+    }
+
+    virtual ~GtkInstanceMenuToggleButton()
+    {
+        g_signal_handler_disconnect(m_pToggleButton, m_nToggleStateFlagsChangedId);
+        g_signal_handler_disconnect(m_pToggleMenuButton, m_nMenuBtnStateFlagsChangedId);
+        g_signal_handler_disconnect(m_pToggleMenuButton, m_nMenuBtnClickedId);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pChild = gtk_button_get_child(GTK_BUTTON(m_pToggleButton));
+        g_object_ref(pChild);
+        gtk_button_set_child(GTK_BUTTON(m_pToggleButton), nullptr);
+        gtk_widget_unparent(pChild);
+        gtk_widget_set_parent(pChild, GTK_WIDGET(m_pMenuButton));
+        g_object_unref(pChild);
+#endif
+    }
+
+    virtual void insert_item(int pos, const OUString& rId, const OUString& rStr,
+                        const OUString* pIconName, VirtualDevice* pImageSurface, TriState eCheckRadioFalse) override
+    {
+        MenuHelper::insert_item(pos, rId, rStr, pIconName, pImageSurface, eCheckRadioFalse);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        MenuHelper::insert_separator(pos, rId);
+    }
+
+    virtual void remove_item(const OUString& rId) override
+    {
+        MenuHelper::remove_item(rId);
+    }
+
+    virtual void clear() override
+    {
+        MenuHelper::clear_items();
+    }
+
+    virtual void set_item_active(const OUString& rIdent, bool bActive) override
+    {
+        MenuHelper::set_item_active(rIdent, bActive);
+    }
+
+    virtual void set_item_sensitive(const OUString& rIdent, bool bSensitive) override
+    {
+        MenuHelper::set_item_sensitive(rIdent, bSensitive);
+    }
+
+    virtual void set_item_label(const OUString& rIdent, const OUString& rLabel) override
+    {
+        MenuHelper::set_item_label(rIdent, rLabel);
+    }
+
+    virtual OUString get_item_label(const OUString& rIdent) const override
+    {
+        return MenuHelper::get_item_label(rIdent);
+    }
+
+    virtual void set_item_visible(const OUString& rIdent, bool bVisible) override
+    {
+        MenuHelper::set_item_visible(rIdent, bVisible);
+    }
+
+    virtual void signal_item_activate(const OUString& rIdent) override
+    {
+        signal_selected(rIdent);
+    }
+
+    virtual void set_popover(weld::Widget* /*pPopover*/) override
+    {
+        assert(false && "not implemented");
+    }
+};
+
+class GtkInstanceMenu : public MenuHelper, public virtual weld::Menu
+{
+protected:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    std::vector<GtkMenuItem*> m_aExtraItems;
+#endif
+    OUString m_sActivated;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    MenuHelper* m_pTopLevelMenuHelper;
+#endif
+
+private:
+    virtual void signal_item_activate(const OUString& rIdent) override
+    {
+        m_sActivated = rIdent;
+        weld::Menu::signal_activate(m_sActivated);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void clear_extras()
+    {
+        if (m_aExtraItems.empty())
+            return;
+        if (m_pTopLevelMenuHelper)
+        {
+            for (auto a : m_aExtraItems)
+                m_pTopLevelMenuHelper->remove_from_map(a);
+        }
+        m_aExtraItems.clear();
+    }
+#endif
+
+public:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceMenu(GtkMenu* pMenu, bool bTakeOwnership)
+#else
+    GtkInstanceMenu(GtkPopoverMenu* pMenu, bool bTakeOwnership)
+#endif
+        : MenuHelper(pMenu, bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_pTopLevelMenuHelper(nullptr)
+#endif
+    {
+        g_object_set_data(G_OBJECT(m_pMenu), "g-lo-GtkInstanceMenu", this);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // tdf#122527 if we're welding a submenu of a menu of a MenuButton,
+        // then find that MenuButton parent so that when adding items to this
+        // menu we can inform the MenuButton of their addition
+        GtkMenu* pTopLevelMenu = pMenu;
+        while (true)
+        {
+            GtkWidget* pAttached = gtk_menu_get_attach_widget(pTopLevelMenu);
+            if (!pAttached || !GTK_IS_MENU_ITEM(pAttached))
+                break;
+            GtkWidget* pParent = gtk_widget_get_parent(pAttached);
+            if (!pParent || !GTK_IS_MENU(pParent))
+                break;
+            pTopLevelMenu = GTK_MENU(pParent);
+        }
+        if (pTopLevelMenu == pMenu)
+            return;
+
+        // maybe the toplevel is a menubutton
+        GtkWidget* pAttached = gtk_menu_get_attach_widget(pTopLevelMenu);
+        if (pAttached && GTK_IS_MENU_BUTTON(pAttached))
+        {
+            void* pData = g_object_get_data(G_OBJECT(pAttached), "g-lo-GtkInstanceButton");
+            m_pTopLevelMenuHelper = dynamic_cast<GtkInstanceMenuButton*>(static_cast<GtkInstanceButton*>(pData));
+        }
+        // or maybe a menu
+        if (!m_pTopLevelMenuHelper)
+        {
+            void* pData = g_object_get_data(G_OBJECT(pTopLevelMenu), "g-lo-GtkInstanceMenu");
+            m_pTopLevelMenuHelper = static_cast<GtkInstanceMenu*>(pData);
+        }
+#else
+        update_action_group_from_popover_model();
+#endif
+    }
+
+    virtual OUString popup_at_rect(weld::Widget* pParent, const tools::Rectangle& rRect, weld::Placement ePlace) override
+    {
+        m_sActivated.clear();
+
+        GtkInstanceWidget* pGtkWidget = dynamic_cast<GtkInstanceWidget*>(pParent);
+        assert(pGtkWidget);
+        GtkWidget* pWidget = pGtkWidget->getWidget();
+
+        //run in a sub main loop because we need to keep vcl PopupMenu alive to use
+        //it during DispatchCommand, returning now to the outer loop causes the
+        //launching PopupMenu to be destroyed, instead run the subloop here
+        //until the gtk menu is destroyed
+        GMainLoop* pLoop = g_main_loop_new(nullptr, true);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_insert_action_group(pWidget, "menu", m_pActionGroup);
+
+        gulong nSignalId = g_signal_connect_swapped(G_OBJECT(m_pMenu), "closed", G_CALLBACK(g_main_loop_quit), pLoop);
+
+        GdkRectangle aRect;
+        pWidget = getPopupRect(pWidget, rRect, aRect);
+
+        GtkWidget* pOrigParent = gtk_widget_get_parent(GTK_WIDGET(m_pMenu));
+        gtk_widget_set_parent(GTK_WIDGET(m_pMenu), pWidget);
+        gtk_popover_set_pointing_to(GTK_POPOVER(m_pMenu), &aRect);
+        if (ePlace == weld::Placement::Under)
+            gtk_popover_set_position(GTK_POPOVER(m_pMenu), GTK_POS_BOTTOM);
+        else
+        {
+            if (SwapForRTL(pWidget))
+                gtk_popover_set_position(GTK_POPOVER(m_pMenu), GTK_POS_LEFT);
+            else
+                gtk_popover_set_position(GTK_POPOVER(m_pMenu), GTK_POS_RIGHT);
+        }
+        gtk_popover_popup(GTK_POPOVER(m_pMenu));
+#else
+        gulong nSignalId = g_signal_connect_swapped(G_OBJECT(m_pMenu), "deactivate", G_CALLBACK(g_main_loop_quit), pLoop);
+
+#if GTK_CHECK_VERSION(3,22,0)
+        if (gtk_check_version(3, 22, 0) == nullptr)
+        {
+            GdkRectangle aRect;
+            pWidget = getPopupRect(pWidget, rRect, aRect);
+            gtk_menu_attach_to_widget(m_pMenu, pWidget, nullptr);
+
+            // Send a keyboard event through gtk_main_do_event to toggle any active tooltip offs
+            // before trying to launch the menu
+            // https://gitlab.gnome.org/GNOME/gtk/issues/1785
+            // Fixed in GTK 2.34
+            GdkEvent *pKeyEvent = GtkSalFrame::makeFakeKeyPress(pWidget);
+            gtk_main_do_event(pKeyEvent);
+
+            GdkEvent *pTriggerEvent = gtk_get_current_event();
+            if (!pTriggerEvent)
+                pTriggerEvent = pKeyEvent;
+
+            bool bSwapForRTL = SwapForRTL(pWidget);
+
+            if (ePlace == weld::Placement::Under)
+            {
+                if (bSwapForRTL)
+                    gtk_menu_popup_at_rect(m_pMenu, widget_get_surface(pWidget), &aRect, GDK_GRAVITY_SOUTH_EAST, GDK_GRAVITY_NORTH_EAST, pTriggerEvent);
+                else
+                    gtk_menu_popup_at_rect(m_pMenu, widget_get_surface(pWidget), &aRect, GDK_GRAVITY_SOUTH_WEST, GDK_GRAVITY_NORTH_WEST, pTriggerEvent);
+            }
+            else
+            {
+                if (bSwapForRTL)
+                    gtk_menu_popup_at_rect(m_pMenu, widget_get_surface(pWidget), &aRect, GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_NORTH_EAST, pTriggerEvent);
+                else
+                    gtk_menu_popup_at_rect(m_pMenu, widget_get_surface(pWidget), &aRect, GDK_GRAVITY_NORTH_EAST, GDK_GRAVITY_NORTH_WEST, pTriggerEvent);
+            }
+
+            gdk_event_free(pKeyEvent);
+        }
+        else
+#else
+        (void) rRect;
+#endif
+        {
+            gtk_menu_attach_to_widget(m_pMenu, pWidget, nullptr);
+
+            guint nButton;
+            guint32 nTime;
+
+            //typically there is an event, and we can then distinguish if this was
+            //launched from the keyboard (gets auto-mnemoniced) or the mouse (which
+            //doesn't)
+            GdkEvent *pEvent = gtk_get_current_event();
+            if (pEvent)
+            {
+                if (!gdk_event_get_button(pEvent, &nButton))
+                    nButton = 0;
+                nTime = gdk_event_get_time(pEvent);
+            }
+            else
+            {
+                nButton = 0;
+                nTime = GtkSalFrame::GetLastInputEventTime();
+            }
+
+            gtk_menu_popup(m_pMenu, nullptr, nullptr, nullptr, nullptr, nButton, nTime);
+        }
+#endif
+
+        if (g_main_loop_is_running(pLoop))
+            main_loop_run(pLoop);
+
+        g_main_loop_unref(pLoop);
+        g_signal_handler_disconnect(m_pMenu, nSignalId);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (!pOrigParent)
+            gtk_widget_unparent(GTK_WIDGET(m_pMenu));
+        else
+            gtk_widget_set_parent(GTK_WIDGET(m_pMenu), pOrigParent);
+
+        gtk_widget_insert_action_group(pWidget, "menu", nullptr);
+#else
+        gtk_menu_detach(m_pMenu);
+#endif
+
+        return m_sActivated;
+    }
+
+    virtual void set_sensitive(const OUString& rIdent, bool bSensitive) override
+    {
+        set_item_sensitive(rIdent, bSensitive);
+    }
+
+    virtual bool get_sensitive(const OUString& rIdent) const override
+    {
+        return get_item_sensitive(rIdent);
+    }
+
+    virtual void set_active(const OUString& rIdent, bool bActive) override
+    {
+        set_item_active(rIdent, bActive);
+    }
+
+    virtual bool get_active(const OUString& rIdent) const override
+    {
+        return get_item_active(rIdent);
+    }
+
+    virtual void set_visible(const OUString& rIdent, bool bShow) override
+    {
+        set_item_visible(rIdent, bShow);
+    }
+
+    virtual void set_label(const OUString& rIdent, const OUString& rLabel) override
+    {
+        set_item_label(rIdent, rLabel);
+    }
+
+    virtual OUString get_label(const OUString& rIdent) const override
+    {
+        return get_item_label(rIdent);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        MenuHelper::insert_separator(pos, rId);
+    }
+
+    virtual void clear() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        clear_extras();
+#endif
+        MenuHelper::clear_items();
+    }
+
+    virtual void insert(int pos, const OUString& rId, const OUString& rStr,
+                        const OUString* pIconName, VirtualDevice* pImageSurface,
+                        const css::uno::Reference<css::graphic::XGraphic>& rGraphic,
+                        TriState eCheckRadioFalse) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pImage = nullptr;
+        if (pIconName)
+            pImage = image_new_from_icon_name(*pIconName);
+        else if (pImageSurface)
+        {
+            pImage = image_new_from_virtual_device(*pImageSurface);
+        }
+        else if (rGraphic)
+        {
+            pImage = image_new_from_xgraphic(rGraphic, false);
+        }
+
+        GtkWidget *pItem;
+        if (pImage)
+        {
+            GtkBox *pBox = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6));
+            GtkWidget *pLabel = gtk_label_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr());
+            gtk_label_set_xalign(GTK_LABEL(pLabel), 0.0);
+            pItem = eCheckRadioFalse != TRISTATE_INDET ? gtk_check_menu_item_new() : gtk_menu_item_new();
+            gtk_box_pack_start(pBox, pImage, false, true, 0);
+            gtk_box_pack_start(pBox, pLabel, true, true, 0);
+            gtk_container_add(GTK_CONTAINER(pItem), GTK_WIDGET(pBox));
+            gtk_widget_show_all(pItem);
+        }
+        else
+        {
+            pItem = eCheckRadioFalse != TRISTATE_INDET ? gtk_check_menu_item_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr())
+                                                       : gtk_menu_item_new_with_mnemonic(MapToGtkAccelerator(rStr).getStr());
+        }
+
+        if (eCheckRadioFalse == TRISTATE_FALSE)
+            gtk_check_menu_item_set_draw_as_radio(GTK_CHECK_MENU_ITEM(pItem), true);
+
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rId);
+        gtk_menu_shell_append(GTK_MENU_SHELL(m_pMenu), pItem);
+        gtk_widget_show(pItem);
+        GtkMenuItem* pMenuItem = GTK_MENU_ITEM(pItem);
+        m_aExtraItems.push_back(pMenuItem);
+        add_to_map(pMenuItem);
+        if (m_pTopLevelMenuHelper)
+            m_pTopLevelMenuHelper->add_to_map(pMenuItem);
+        if (pos != -1)
+            gtk_menu_reorder_child(m_pMenu, pItem, pos);
+#else
+        SAL_WARN("vcl.gtk", "needs to be implemented for gtk4");
+        (void)pIconName;
+        (void)pImageSurface;
+        (void)rGraphic;
+
+        if (GMenuModel* pMenuModel = m_pMenu ? gtk_popover_menu_get_menu_model(m_pMenu) : nullptr)
+        {
+            auto aSectionAndPos = get_section_and_pos_for(pMenuModel, pos);
+            GMenu* pMenu = G_MENU(aSectionAndPos.first);
+            // action with a target value ... the action name and target value are separated by a double
+            // colon ... For example: "app.action::target"
+            OUString sActionAndTarget;
+            if (eCheckRadioFalse == TRISTATE_INDET)
+                sActionAndTarget = "menu.normal." + rId + "::" + rId;
+            else
+                sActionAndTarget = "menu.radio." + rId + "::" + rId;
+            g_menu_insert(pMenu, aSectionAndPos.second, MapToGtkAccelerator(rStr).getStr(), sActionAndTarget.toUtf8().getStr());
+
+            assert(eCheckRadioFalse == TRISTATE_INDET); // come back to this later
+
+            // TODO not redo entire group
+            update_action_group_from_popover_model();
+        }
+
+#endif
+    }
+
+    virtual OUString get_id(int pos) const override
+    {
+        return get_item_id(pos);
+    }
+
+    virtual int n_children() const override
+    {
+        return get_n_children();
+    }
+
+    virtual void set_item_help_id(const OUString& rIdent, const OUString& rHelpId) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        ::set_help_id(GTK_WIDGET(m_aMap[rIdent]), rHelpId);
+#else
+        (void)rIdent;
+        (void)rHelpId;
+#endif
+    }
+
+    void remove(const OUString& rIdent) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!m_aExtraItems.empty())
+        {
+            GtkMenuItem* pMenuItem = m_aMap[rIdent];
+            auto iter = std::find(m_aExtraItems.begin(), m_aExtraItems.end(), pMenuItem);
+            if (iter != m_aExtraItems.end())
+            {
+                if (m_pTopLevelMenuHelper)
+                    m_pTopLevelMenuHelper->remove_from_map(pMenuItem);
+                m_aExtraItems.erase(iter);
+            }
+        }
+#endif
+        MenuHelper::remove_item(rIdent);
+    }
+
+    virtual ~GtkInstanceMenu() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        clear_extras();
+#endif
+        g_object_steal_data(G_OBJECT(m_pMenu), "g-lo-GtkInstanceMenu");
+    }
+};
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    vcl::ImageType GtkToVcl(GtkIconSize eSize)
+    {
+        vcl::ImageType eRet;
+        switch (eSize)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            case GTK_ICON_SIZE_MENU:
+            case GTK_ICON_SIZE_SMALL_TOOLBAR:
+            case GTK_ICON_SIZE_BUTTON:
+                eRet = vcl::ImageType::Size16;
+                break;
+            case GTK_ICON_SIZE_LARGE_TOOLBAR:
+                eRet = vcl::ImageType::Size26;
+                break;
+            case GTK_ICON_SIZE_DND:
+            case GTK_ICON_SIZE_DIALOG:
+                eRet = vcl::ImageType::Size32;
+                break;
+            default:
+            case GTK_ICON_SIZE_INVALID:
+                eRet = vcl::ImageType::Small;
+                break;
+#else
+            case GTK_ICON_SIZE_LARGE:
+                eRet = vcl::ImageType::Size32;
+                break;
+            case GTK_ICON_SIZE_NORMAL:
+            default:
+                eRet = vcl::ImageType::Size16;
+                break;
+#endif
+        }
+        return eRet;
+    }
+
+    GtkIconSize VclToGtk(vcl::ImageType eSize)
+    {
+        GtkIconSize eRet;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        switch (eSize)
+        {
+            case vcl::ImageType::Size16:
+                eRet = GTK_ICON_SIZE_SMALL_TOOLBAR;
+                break;
+            case vcl::ImageType::Size26:
+                eRet = GTK_ICON_SIZE_LARGE_TOOLBAR;
+                break;
+            case vcl::ImageType::Size32:
+                eRet = GTK_ICON_SIZE_DIALOG;
+                break;
+            default:
+                O3TL_UNREACHABLE;
+        }
+#else
+        switch (eSize)
+        {
+            case vcl::ImageType::Size26:
+            case vcl::ImageType::Size32:
+                eRet = GTK_ICON_SIZE_LARGE;
+                break;
+            case vcl::ImageType::Size16:
+            default:
+                eRet = GTK_ICON_SIZE_NORMAL;
+                break;
+        }
+#endif
+        return eRet;
+    }
+
+    // tdf#153885 for wayland if the popover window is the application
+    // window, constrain it within the application window so it won't
+    // be cut off screen. Leave dialog hosted ones alone, like
+    // format, watermark, which are likely presented in the middle
+    // of the screen and are too small to constrain the popover inside.
+    void ConstrainApplicationWindowPopovers(GtkToggleButton* pItem)
+    {
+#if defined(GDK_WINDOWING_WAYLAND)
+        GdkDisplay *pDisplay = gtk_widget_get_display(GTK_WIDGET(pItem));
+        if (DLSYM_GDK_IS_WAYLAND_DISPLAY(pDisplay) && GTK_IS_MENU_BUTTON(pItem))
+        {
+            GtkMenuButton* pMenuButton = GTK_MENU_BUTTON(pItem);
+            if (GtkPopover* pPopover = gtk_menu_button_get_popover(pMenuButton))
+            {
+                if (gtk_popover_get_constrain_to(pPopover) == GTK_POPOVER_CONSTRAINT_NONE)
+                {
+                    GtkWidget* pTopLevel = widget_get_toplevel(GTK_WIDGET(pItem));
+                    GtkSalFrame* pFrame = pTopLevel ? GtkSalFrame::getFromWindow(pTopLevel) : nullptr;
+                    if (pFrame)
+                    {
+                        // the toplevel is an application window
+                        gtk_popover_set_constrain_to(pPopover, GTK_POPOVER_CONSTRAINT_WINDOW);
+                    }
+                }
+            }
+        }
+#else
+        (void)pItem;
+#endif
+    }
+
+#endif
+}
+
+void GtkInstanceMenuButton::set_menu(weld::Menu* pMenu)
+{
+    GtkInstanceMenu* pPopoverWidget = dynamic_cast<GtkInstanceMenu*>(pMenu);
+    m_pPopover = nullptr;
+    m_pMenu = pPopoverWidget ? pPopoverWidget->getMenu() : nullptr;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gtk_menu_button_set_popup(m_pMenuButton, GTK_WIDGET(m_pMenu));
+#else
+    gtk_menu_button_set_popover(m_pMenuButton, GTK_WIDGET(m_pMenu));
+    update_action_group_from_popover_model();
+#endif
+}
+
+namespace {
+
+class GtkInstanceToolbar : public GtkInstanceWidget, public virtual weld::Toolbar
+{
+private:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkToolbar* m_pToolbar;
+#else
+    GtkBox* m_pToolbar;
+    vcl::ImageType m_eImageType;
+#endif
+    GtkCssProvider *m_pMenuButtonProvider;
+
+    std::map<OUString, GtkWidget*> m_aMap;
+    std::map<OUString, std::unique_ptr<GtkInstanceMenuButton>> m_aMenuButtonMap;
+    std::map<OUString, bool> m_aMirroredMap;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    // at the time of writing there is no gtk_menu_tool_button_set_popover available
+    // though there will be in the future
+    // https://gitlab.gnome.org/GNOME/gtk/commit/03e30431a8af9a947a0c4ccab545f24da16bfe17?w=1
+    static void find_menu_button(GtkWidget *pWidget, gpointer user_data)
+    {
+        if (g_strcmp0(gtk_widget_get_name(pWidget), "GtkMenuButton") == 0)
+        {
+            GtkWidget **ppToggleButton = static_cast<GtkWidget**>(user_data);
+            *ppToggleButton = pWidget;
+        }
+        else if (GTK_IS_CONTAINER(pWidget))
+            gtk_container_forall(GTK_CONTAINER(pWidget), find_menu_button, user_data);
+    }
+
+    static void find_menupeer_button(GtkWidget *pWidget, gpointer user_data)
+    {
+        if (g_strcmp0(gtk_widget_get_name(pWidget), "GtkButton") == 0)
+        {
+            GtkWidget **ppButton = static_cast<GtkWidget**>(user_data);
+            *ppButton = pWidget;
+        }
+        else if (GTK_IS_CONTAINER(pWidget))
+            gtk_container_forall(GTK_CONTAINER(pWidget), find_menupeer_button, user_data);
+    }
+#endif
+
+    static void collect(GtkWidget* pItem, gpointer widget)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!GTK_IS_TOOL_ITEM(pItem))
+            return;
+#endif
+        GtkInstanceToolbar* pThis = static_cast<GtkInstanceToolbar*>(widget);
+
+        GtkMenuButton* pMenuButton = nullptr;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_MENU_TOOL_BUTTON(pItem))
+            find_menu_button(pItem, &pMenuButton);
+#else
+        if (GTK_IS_MENU_BUTTON(pItem))
+            pMenuButton = GTK_MENU_BUTTON(pItem);
+#endif
+
+        pThis->add_to_map(pItem, pMenuButton);
+    }
+
+    void add_to_map(GtkWidget* pToolItem, GtkMenuButton* pMenuButton)
+    {
+        OUString id = ::get_buildable_id(GTK_BUILDABLE(pToolItem));
+        m_aMap[id] = pToolItem;
+        if (pMenuButton)
+        {
+            m_aMenuButtonMap[id] = std::make_unique<GtkInstanceMenuButton>(pMenuButton, GTK_WIDGET(pToolItem), m_pBuilder, false);
+            // so that, e.g. with focus initially in writer main document then
+            // after clicking the heading menu in the writer navigator focus is
+            // left in the main document and not in the toolbar
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_button_set_focus_on_click(GTK_BUTTON(pMenuButton), false);
+            g_signal_connect(pMenuButton, "toggled", G_CALLBACK(signalItemToggled), this);
+#else
+            gtk_widget_set_focus_on_click(GTK_WIDGET(pMenuButton), false);
+
+            GtkWidget* pToggleButton = gtk_widget_get_first_child(GTK_WIDGET(pMenuButton));
+            assert(GTK_IS_TOGGLE_BUTTON(pToggleButton));
+            g_signal_connect(pToggleButton, "toggled", G_CALLBACK(signalItemToggled), this);
+#endif
+
+            // by default the GtkMenuButton down arrow button is as wide as
+            // a normal button and LibreOffice's original ones are very
+            // narrow, that assumption is fairly baked into the toolbar and
+            // sidebar designs, try and minimize the width of the dropdown
+            // zone.
+            GtkStyleContext *pButtonContext = gtk_widget_get_style_context(GTK_WIDGET(pMenuButton));
+
+            if (!m_pMenuButtonProvider)
+            {
+                m_pMenuButtonProvider = gtk_css_provider_new();
+                static const gchar data[] = "* { "
+                  "padding: 0;"
+                  "margin-left: 0px;"
+                  "margin-right: 0px;"
+                  "min-width: 4px;"
+                  "}";
+                css_provider_load_from_data(m_pMenuButtonProvider, data, -1);
+            }
+
+            gtk_style_context_add_provider(pButtonContext,
+                                           GTK_STYLE_PROVIDER(m_pMenuButtonProvider),
+                                           GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+        }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!GTK_IS_TOOL_BUTTON(pToolItem))
+#else
+        if (!GTK_IS_BUTTON(pToolItem))
+#endif
+        {
+            return;
+        }
+        g_signal_connect(pToolItem, "clicked", G_CALLBACK(signalItemClicked), this);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void signalItemClicked(GtkToolButton* pItem, gpointer widget)
+#else
+    static void signalItemClicked(GtkButton* pItem, gpointer widget)
+#endif
+    {
+        GtkInstanceToolbar* pThis = static_cast<GtkInstanceToolbar*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_item_clicked(pItem);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void signal_item_clicked(GtkToolButton* pItem)
+#else
+    void signal_item_clicked(GtkButton* pItem)
+#endif
+    {
+        signal_clicked(::get_buildable_id(GTK_BUILDABLE(pItem)));
+    }
+
+    static void signalItemToggled(GtkToggleButton* pItem, gpointer widget)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        ConstrainApplicationWindowPopovers(pItem);
+#endif
+        GtkInstanceToolbar* pThis = static_cast<GtkInstanceToolbar*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_item_toggled(pItem);
+    }
+
+    void signal_item_toggled(GtkToggleButton* pItem)
+    {
+        for (const auto& a : m_aMenuButtonMap)
+        {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            if (a.second->getWidget() == GTK_WIDGET(pItem))
+#else
+            if (a.second->getWidget() == gtk_widget_get_parent(GTK_WIDGET(pItem)))
+#endif
+            {
+                signal_toggle_menu(a.first);
+                break;
+            }
+        }
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void set_item_image(GtkWidget* pItem, GtkWidget* pImage)
+    {
+        if (GTK_IS_BUTTON(pItem))
+            gtk_button_set_child(GTK_BUTTON(pItem), pImage);
+        else if (GTK_IS_MENU_BUTTON(pItem))
+        {
+            // TODO after gtk 4.6 is released require that version and drop this
+            static auto menu_button_set_child = reinterpret_cast<void (*) (GtkMenuButton*, GtkWidget*)>(dlsym(nullptr, "gtk_menu_button_set_child"));
+            if (menu_button_set_child)
+                menu_button_set_child(GTK_MENU_BUTTON(pItem), pImage);
+        }
+        // versions of gtk4 > 4.2.1 might do this on their own
+        gtk_widget_remove_css_class(pItem, "text-button");
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static void set_item_image(GtkToolButton* pItem, const css::uno::Reference<css::graphic::XGraphic>& rIcon, bool bMirror)
+#else
+    static void set_item_image(GtkWidget* pItem, const css::uno::Reference<css::graphic::XGraphic>& rIcon, bool bMirror)
+#endif
+    {
+        GtkWidget* pImage = image_new_from_xgraphic(rIcon, bMirror);
+        if (pImage)
+            gtk_widget_show(pImage);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_tool_button_set_icon_widget(pItem, pImage);
+#else
+        set_item_image(pItem, pImage);
+#endif
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    void set_item_image(GtkToolButton* pItem, const VirtualDevice* pDevice)
+#else
+    void set_item_image(GtkWidget* pItem, const VirtualDevice* pDevice)
+#endif
+    {
+        GtkWidget* pImage = nullptr;
+
+        if (pDevice)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            pImage = picture_new_from_virtual_device(*pDevice);
+#else
+            pImage = image_new_from_virtual_device(*pDevice);
+#endif
+            gtk_widget_show(pImage);
+        }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_tool_button_set_icon_widget(pItem, pImage);
+#else
+        set_item_image(pItem, pImage);
+#endif
+        gtk_widget_queue_draw(GTK_WIDGET(m_pToolbar));
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkWidget* toolbar_get_nth_item(int nIndex) const
+    {
+        return GTK_WIDGET(gtk_toolbar_get_nth_item(m_pToolbar, nIndex));
+    }
+#else
+    GtkWidget* toolbar_get_nth_item(int nIndex) const
+    {
+        int i = 0;
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pToolbar));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (i == nIndex)
+                return pChild;
+            ++i;
+        }
+        return nullptr;
+    }
+#endif
+public:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceToolbar(GtkToolbar* pToolbar, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#else
+    GtkInstanceToolbar(GtkBox* pToolbar, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#endif
+        : GtkInstanceWidget(GTK_WIDGET(pToolbar), pBuilder, bTakeOwnership)
+        , m_pToolbar(pToolbar)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_eImageType(vcl::ImageType::Size16)
+#endif
+        , m_pMenuButtonProvider(nullptr)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(pToolbar));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            collect(pChild, this);
+        }
+#else
+        gtk_container_foreach(GTK_CONTAINER(pToolbar), collect, this);
+#endif
+    }
+
+    void disable_item_notify_events()
+    {
+        for (auto& a : m_aMap)
+        {
+            g_signal_handlers_block_by_func(a.second, reinterpret_cast<void*>(signalItemClicked), this);
+        }
+    }
+
+    void enable_item_notify_events()
+    {
+        for (auto& a : m_aMap)
+        {
+            g_signal_handlers_unblock_by_func(a.second, reinterpret_cast<void*>(signalItemClicked), this);
+        }
+    }
+
+    virtual void set_item_sensitive(const OUString& rIdent, bool bSensitive) override
+    {
+        disable_item_notify_events();
+        gtk_widget_set_sensitive(GTK_WIDGET(m_aMap[rIdent]), bSensitive);
+        enable_item_notify_events();
+    }
+
+    virtual bool get_item_sensitive(const OUString& rIdent) const override
+    {
+        return gtk_widget_get_sensitive(GTK_WIDGET(m_aMap.find(rIdent)->second));
+    }
+
+    virtual void set_item_visible(const OUString& rIdent, bool bVisible) override
+    {
+        disable_item_notify_events();
+        gtk_widget_set_visible(GTK_WIDGET(m_aMap[rIdent]), bVisible);
+        enable_item_notify_events();
+    }
+
+    virtual void set_item_help_id(const OUString& rIdent, const OUString& rHelpId) override
+    {
+        ::set_help_id(GTK_WIDGET(m_aMap[rIdent]), rHelpId);
+    }
+
+    virtual bool get_item_visible(const OUString& rIdent) const override
+    {
+        return gtk_widget_get_visible(GTK_WIDGET(m_aMap.find(rIdent)->second));
+    }
+
+    virtual void set_item_active(const OUString& rIdent, bool bActive) override
+    {
+        disable_item_notify_events();
+
+        GtkWidget* pToolButton = m_aMap.find(rIdent)->second;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_TOGGLE_TOOL_BUTTON(pToolButton))
+            gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(pToolButton), bActive);
+        else
+        {
+            GtkButton* pButton = nullptr;
+            // there is no GtkMenuToggleToolButton so abuse the CHECKED state of the GtkMenuToolButton button
+            // to emulate one
+            find_menupeer_button(GTK_WIDGET(pToolButton), &pButton);
+            if (pButton)
+            {
+                auto eState = gtk_widget_get_state_flags(GTK_WIDGET(pButton)) & ~GTK_STATE_FLAG_CHECKED;
+                if (bActive)
+                    eState |= GTK_STATE_FLAG_CHECKED;
+                gtk_widget_set_state_flags(GTK_WIDGET(pButton), static_cast<GtkStateFlags>(eState), true);
+            }
+        }
+#else
+        GtkWidget* pWidget;
+        if (GTK_IS_MENU_BUTTON(pToolButton))
+        {
+            pWidget = gtk_widget_get_first_child(pToolButton);
+            assert(GTK_IS_TOGGLE_BUTTON(pWidget));
+        }
+        else
+            pWidget = pToolButton;
+        auto eState = gtk_widget_get_state_flags(pWidget) & ~GTK_STATE_FLAG_CHECKED;
+        if (bActive)
+            eState |= GTK_STATE_FLAG_CHECKED;
+        gtk_widget_set_state_flags(pWidget, static_cast<GtkStateFlags>(eState), true);
+#endif
+
+        enable_item_notify_events();
+    }
+
+    virtual bool get_item_active(const OUString& rIdent) const override
+    {
+        GtkWidget* pToolButton = m_aMap.find(rIdent)->second;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_TOGGLE_TOOL_BUTTON(pToolButton))
+            return gtk_toggle_tool_button_get_active(GTK_TOGGLE_TOOL_BUTTON(pToolButton));
+        else
+        {
+            GtkButton* pButton = nullptr;
+            // there is no GtkMenuToggleToolButton so abuse the CHECKED state of the GtkMenuToolButton button
+            // to emulate one
+            find_menupeer_button(GTK_WIDGET(pToolButton), &pButton);
+            if (pButton)
+            {
+                return gtk_widget_get_state_flags(GTK_WIDGET(pButton)) & GTK_STATE_FLAG_CHECKED;
+            }
+        }
+#else
+        GtkWidget* pWidget;
+        if (GTK_IS_MENU_BUTTON(pToolButton))
+        {
+            pWidget = gtk_widget_get_first_child(pToolButton);
+            assert(GTK_IS_TOGGLE_BUTTON(pWidget));
+        }
+        else
+            pWidget = pToolButton;
+        return gtk_widget_get_state_flags(pWidget) & GTK_STATE_FLAG_CHECKED;
+#endif
+
+        return false;
+    }
+
+    virtual void set_menu_item_active(const OUString& rIdent, bool bActive) override
+    {
+        disable_item_notify_events();
+
+        auto aFind = m_aMenuButtonMap.find(rIdent);
+        assert (aFind != m_aMenuButtonMap.end());
+        aFind->second->set_active(bActive);
+
+        enable_item_notify_events();
+    }
+
+    virtual bool get_menu_item_active(const OUString& rIdent) const override
+    {
+        auto aFind = m_aMenuButtonMap.find(rIdent);
+        assert (aFind != m_aMenuButtonMap.end());
+        return aFind->second->get_active();
+    }
+
+    virtual void insert_item(int pos, const OUString& rId) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkToolItem* pItem = gtk_tool_button_new(nullptr, OUStringToOString(rId, RTL_TEXTENCODING_UTF8).getStr());
+#else
+        GtkWidget* pItem = gtk_button_new();
+#endif
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_toolbar_insert(m_pToolbar, pItem, pos);
+#else
+        gtk_box_insert_child_after(m_pToolbar, pItem, toolbar_get_nth_item(pos - 1));
+#endif
+        gtk_widget_show(GTK_WIDGET(pItem));
+        add_to_map(GTK_WIDGET(pItem), nullptr);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkToolItem* pItem = gtk_separator_tool_item_new();
+#else
+        GtkWidget* pItem = gtk_separator_new(GTK_ORIENTATION_VERTICAL);
+#endif
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_toolbar_insert(m_pToolbar, pItem, pos);
+#else
+        gtk_box_insert_child_after(m_pToolbar, pItem, toolbar_get_nth_item(pos - 1));
+#endif
+        gtk_widget_show(GTK_WIDGET(pItem));
+    }
+
+    virtual void set_item_popover(const OUString& rIdent, weld::Widget* pPopover) override
+    {
+        m_aMenuButtonMap[rIdent]->set_popover(pPopover);
+    }
+
+    virtual void set_item_menu(const OUString& rIdent, weld::Menu* pMenu) override
+    {
+        m_aMenuButtonMap[rIdent]->set_menu(pMenu);
+    }
+
+    virtual int get_n_items() const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_toolbar_get_n_items(m_pToolbar);
+#else
+        int n_items = 0;
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pToolbar));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            ++n_items;
+        }
+        return n_items;
+#endif
+    }
+
+    virtual OUString get_item_ident(int nIndex) const override
+    {
+        auto* pItem = toolbar_get_nth_item(nIndex);
+        return ::get_buildable_id(GTK_BUILDABLE(pItem));
+    }
+
+    virtual void set_item_ident(int nIndex, const OUString& rIdent) override
+    {
+        OUString sOldIdent(get_item_ident(nIndex));
+        m_aMap.erase(m_aMap.find(sOldIdent));
+
+        auto* pItem = toolbar_get_nth_item(nIndex);
+        ::set_buildable_id(GTK_BUILDABLE(pItem), rIdent);
+
+        // to keep the ids unique, if the new id is already in use by an item,
+        // change the id of that item to the now unused old ident of this item
+        auto aFind = m_aMap.find(rIdent);
+        if (aFind != m_aMap.end())
+        {
+            GtkWidget* pDupIdItem = aFind->second;
+            ::set_buildable_id(GTK_BUILDABLE(pDupIdItem), sOldIdent);
+            m_aMap[sOldIdent] = pDupIdItem;
+        }
+
+        m_aMap[rIdent] = pItem;
+    }
+
+    virtual void set_item_label(int nIndex, const OUString& rLabel) override
+    {
+        auto* pItem = toolbar_get_nth_item(nIndex);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!GTK_IS_TOOL_BUTTON(pItem))
+            return;
+        gtk_tool_button_set_label(GTK_TOOL_BUTTON(pItem), MapToGtkAccelerator(rLabel).getStr());
+#else
+        if (!GTK_IS_BUTTON(pItem))
+            return;
+        ::button_set_label(GTK_BUTTON(pItem), rLabel);
+#endif
+    }
+
+    virtual void set_item_label(const OUString& rIdent, const OUString& rLabel) override
+    {
+        GtkWidget* pItem = m_aMap[rIdent];
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!pItem || !GTK_IS_TOOL_BUTTON(pItem))
+            return;
+        gtk_tool_button_set_label(GTK_TOOL_BUTTON(pItem), MapToGtkAccelerator(rLabel).getStr());
+#else
+        if (!pItem || !GTK_IS_BUTTON(pItem))
+            return;
+        ::button_set_label(GTK_BUTTON(pItem), rLabel);
+#endif
+    }
+
+    OUString get_item_label(const OUString& rIdent) const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        const gchar* pText = gtk_tool_button_get_label(GTK_TOOL_BUTTON(m_aMap.find(rIdent)->second));
+#else
+        const gchar* pText = gtk_button_get_label(GTK_BUTTON(m_aMap.find(rIdent)->second));
+#endif
+        return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual void set_item_icon_name(const OUString& rIdent, const OUString& rIconName) override
+    {
+        GtkWidget* pItem = m_aMap[rIdent];
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!pItem || !GTK_IS_TOOL_BUTTON(pItem))
+            return;
+#else
+        if (!pItem || !GTK_IS_BUTTON(pItem))
+            return;
+#endif
+
+        GtkWidget* pImage = image_new_from_icon_name(rIconName);
+        if (pImage)
+            gtk_widget_show(pImage);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(pItem), pImage);
+#else
+        gtk_button_set_child(GTK_BUTTON(pItem), pImage);
+        // versions of gtk4 > 4.2.1 might do this on their own
+        gtk_widget_remove_css_class(GTK_WIDGET(pItem), "text-button");
+#endif
+    }
+
+    virtual void set_item_image_mirrored(const OUString& rIdent, bool bMirrored) override
+    {
+        m_aMirroredMap[rIdent] = bMirrored;
+    }
+
+    virtual void set_item_image(const OUString& rIdent, const css::uno::Reference<css::graphic::XGraphic>& rIcon) override
+    {
+        GtkWidget* pItem = m_aMap[rIdent];
+        auto it = m_aMirroredMap.find(rIdent);
+        bool bMirrored = it != m_aMirroredMap.end() && it->second;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!pItem || !GTK_IS_TOOL_BUTTON(pItem))
+            return;
+        set_item_image(GTK_TOOL_BUTTON(pItem), rIcon, bMirrored);
+#else
+        if (!pItem)
+            return;
+        set_item_image(pItem, rIcon, bMirrored);
+#endif
+    }
+
+    virtual void set_item_image(const OUString& rIdent, VirtualDevice* pDevice) override
+    {
+        GtkWidget* pItem = m_aMap[rIdent];
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!pItem || !GTK_IS_TOOL_BUTTON(pItem))
+            return;
+        set_item_image(GTK_TOOL_BUTTON(pItem), pDevice);
+#else
+        if (!pItem)
+            return;
+        set_item_image(pItem, pDevice);
+#endif
+    }
+
+    virtual void set_item_image(int nIndex, const css::uno::Reference<css::graphic::XGraphic>& rIcon) override
+    {
+        auto* pItem = toolbar_get_nth_item(nIndex);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!GTK_IS_TOOL_BUTTON(pItem))
+            return;
+        set_item_image(GTK_TOOL_BUTTON(pItem), rIcon, false);
+#else
+        set_item_image(pItem, rIcon, false);
+#endif
+    }
+
+    virtual void set_item_tooltip_text(int nIndex, const OUString& rTip) override
+    {
+        auto* pItem = toolbar_get_nth_item(nIndex);
+        gtk_widget_set_tooltip_text(GTK_WIDGET(pItem), OUStringToOString(rTip, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    virtual void set_item_tooltip_text(const OUString& rIdent, const OUString& rTip) override
+    {
+        GtkWidget* pItem = GTK_WIDGET(m_aMap[rIdent]);
+        gtk_widget_set_tooltip_text(pItem, OUStringToOString(rTip, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    virtual OUString get_item_tooltip_text(const OUString& rIdent) const override
+    {
+        GtkWidget* pItem = GTK_WIDGET(m_aMap.find(rIdent)->second);
+        const gchar* pStr = gtk_widget_get_tooltip_text(pItem);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual vcl::ImageType get_icon_size() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return m_eImageType;
+#else
+        return GtkToVcl(gtk_toolbar_get_icon_size(m_pToolbar));
+#endif
+    }
+
+    virtual void set_icon_size(vcl::ImageType eType) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        m_eImageType = eType;
+#else
+        gtk_toolbar_set_icon_size(m_pToolbar, VclToGtk(eType));
+#endif
+    }
+
+    virtual sal_uInt16 get_modifier_state() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GdkDisplay* pDisplay = gtk_widget_get_display(GTK_WIDGET(m_pToolbar));
+        GdkSeat* pSeat = gdk_display_get_default_seat(pDisplay);
+        GdkDevice* pDevice = gdk_seat_get_keyboard(pSeat);
+        guint nState = gdk_device_get_modifier_state(pDevice);
+#else
+        GdkKeymap* pKeymap = gdk_keymap_get_default();
+        guint nState = gdk_keymap_get_modifier_state(pKeymap);
+#endif
+        return GtkSalFrame::GetKeyModCode(nState);
+    }
+
+    virtual int get_drop_index(const Point& rPoint) const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_toolbar_get_drop_index(m_pToolbar, rPoint.X(), rPoint.Y());
+#else
+        GtkWidget* pToolbar = GTK_WIDGET(m_pToolbar);
+        GtkWidget* pTarget = gtk_widget_pick(pToolbar, rPoint.X(), rPoint.Y(), GTK_PICK_DEFAULT);
+        if (!pTarget || pTarget == pToolbar)
+            return -1;
+        int i = 0;
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pToolbar));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (pChild == pTarget)
+                return i;
+            ++i;
+        }
+        return -1;
+#endif
+    }
+
+    virtual bool has_focus() const override
+    {
+        if (gtk_widget_has_focus(m_pWidget))
+            return true;
+
+        GtkWidget* pTopLevel = widget_get_toplevel(m_pWidget);
+        if (!GTK_IS_WINDOW(pTopLevel))
+            return false;
+        GtkWidget* pFocus = gtk_window_get_focus(GTK_WINDOW(pTopLevel));
+        if (!pFocus)
+            return false;
+        return gtk_widget_is_ancestor(pFocus, m_pWidget);
+    }
+
+    virtual void grab_focus() override
+    {
+        if (has_focus())
+            return;
+        gtk_widget_grab_focus(m_pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        bool bHasFocusChild = gtk_widget_get_focus_child(m_pWidget);
+#else
+        bool bHasFocusChild = gtk_container_get_focus_child(GTK_CONTAINER(m_pWidget));
+#endif
+        if (!bHasFocusChild)
+        {
+            if (auto* pItem = toolbar_get_nth_item(0))
+            {
+#if GTK_CHECK_VERSION(4, 0, 0)
+                gtk_widget_set_focus_child(m_pWidget, GTK_WIDGET(pItem));
+#else
+                gtk_container_set_focus_child(GTK_CONTAINER(m_pWidget), GTK_WIDGET(pItem));
+#endif
+                bHasFocusChild = true;
+            }
+        }
+        if (bHasFocusChild)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_child_focus(gtk_widget_get_focus_child(m_pWidget), GTK_DIR_TAB_FORWARD);
+#else
+            gtk_widget_child_focus(gtk_container_get_focus_child(GTK_CONTAINER(m_pWidget)), GTK_DIR_TAB_FORWARD);
+#endif
+        }
+    }
+
+    virtual ~GtkInstanceToolbar() override
+    {
+        for (auto& a : m_aMap)
+            g_signal_handlers_disconnect_by_data(a.second, this);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceLinkButton : public GtkInstanceWidget, public virtual weld::LinkButton
+{
+private:
+    GtkLinkButton* m_pButton;
+    gulong m_nSignalId;
+
+    static bool signalActivateLink(GtkButton*, gpointer widget)
+    {
+        GtkInstanceLinkButton* pThis = static_cast<GtkInstanceLinkButton*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_activate_link();
+    }
+
+public:
+    GtkInstanceLinkButton(GtkLinkButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pButton), pBuilder, bTakeOwnership)
+        , m_pButton(pButton)
+        , m_nSignalId(g_signal_connect(pButton, "activate-link", G_CALLBACK(signalActivateLink), this))
+    {
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        ::button_set_label(GTK_BUTTON(m_pButton), rText);
+    }
+
+    virtual OUString get_label() const override
+    {
+        return ::button_get_label(GTK_BUTTON(m_pButton));
+    }
+
+    virtual void set_uri(const OUString& rText) override
+    {
+        gtk_link_button_set_uri(m_pButton, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    virtual void set_label_wrap(bool bWrap) override
+    {
+        GtkLabel* pChild = ::get_label_widget(GTK_WIDGET(m_pButton));
+        ::set_label_wrap(pChild, bWrap);
+        gtk_label_set_max_width_chars(pChild, 1);
+    }
+
+    virtual OUString get_uri() const override
+    {
+        const gchar* pStr = gtk_link_button_get_uri(m_pButton);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pButton, m_nSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pButton, m_nSignalId);
+    }
+
+    virtual ~GtkInstanceLinkButton() override
+    {
+        g_signal_handler_disconnect(m_pButton, m_nSignalId);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceCheckButton : public GtkInstanceWidget, public virtual weld::CheckButton
+{
+private:
+    GtkCheckButton* m_pCheckButton;
+    gulong m_nSignalId;
+
+    static void signalToggled(void*, gpointer widget)
+    {
+        GtkInstanceCheckButton* pThis = static_cast<GtkInstanceCheckButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_toggled();
+    }
+
+public:
+    GtkInstanceCheckButton(GtkCheckButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pButton), pBuilder, bTakeOwnership)
+        , m_pCheckButton(pButton)
+        , m_nSignalId(g_signal_connect(m_pCheckButton, "toggled", G_CALLBACK(signalToggled), this))
+    {
+    }
+
+    virtual void set_active(bool active) override
+    {
+        disable_notify_events();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_check_button_set_inconsistent(m_pCheckButton, false);
+        gtk_check_button_set_active(m_pCheckButton, active);
+#else
+        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_pCheckButton), false);
+        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pCheckButton), active);
+#endif
+        enable_notify_events();
+    }
+
+    virtual bool get_active() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_check_button_get_active(m_pCheckButton);
+#else
+        return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_pCheckButton));
+#endif
+    }
+
+    virtual void set_inconsistent(bool inconsistent) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_check_button_set_inconsistent(m_pCheckButton, inconsistent);
+#else
+        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_pCheckButton), inconsistent);
+#endif
+    }
+
+    virtual bool get_inconsistent() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_check_button_get_inconsistent(m_pCheckButton);
+#else
+        return gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON(m_pCheckButton));
+#endif
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_check_button_set_label(m_pCheckButton, MapToGtkAccelerator(rText).getStr());
+#else
+        ::button_set_label(GTK_BUTTON(m_pCheckButton), rText);
+#endif
+    }
+
+    virtual OUString get_label() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        const gchar* pStr = gtk_check_button_get_label(m_pCheckButton);
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        return ::button_get_label(GTK_BUTTON(m_pCheckButton));
+#endif
+    }
+
+    virtual void set_label_wrap(bool bWrap) override
+    {
+        GtkLabel* pChild = ::get_label_widget(GTK_WIDGET(m_pCheckButton));
+        ::set_label_wrap(pChild, bWrap);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pCheckButton, m_nSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pCheckButton, m_nSignalId);
+    }
+
+    virtual ~GtkInstanceCheckButton() override
+    {
+        g_signal_handler_disconnect(m_pCheckButton, m_nSignalId);
+    }
+};
+
+class GtkInstanceRadioButton : public GtkInstanceCheckButton, public virtual weld::RadioButton
+{
+public:
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceRadioButton(GtkCheckButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceCheckButton(pButton, pBuilder, bTakeOwnership)
+#else
+    GtkInstanceRadioButton(GtkRadioButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceCheckButton(GTK_CHECK_BUTTON(pButton), pBuilder, bTakeOwnership)
+#endif
+    {
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceScale : public GtkInstanceWidget, public virtual weld::Scale
+{
+private:
+    GtkScale* m_pScale;
+    gulong m_nValueChangedSignalId;
+
+    static void signalValueChanged(GtkScale*, gpointer widget)
+    {
+        GtkInstanceScale* pThis = static_cast<GtkInstanceScale*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_value_changed();
+    }
+
+public:
+    GtkInstanceScale(GtkScale* pScale, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pScale), pBuilder, bTakeOwnership)
+        , m_pScale(pScale)
+        , m_nValueChangedSignalId(g_signal_connect(m_pScale, "value-changed", G_CALLBACK(signalValueChanged), this))
+    {
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pScale, m_nValueChangedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pScale, m_nValueChangedSignalId);
+    }
+
+    virtual void set_value(int value) override
+    {
+        disable_notify_events();
+        gtk_range_set_value(GTK_RANGE(m_pScale), value);
+        enable_notify_events();
+    }
+
+    virtual void set_range(int min, int max) override
+    {
+        disable_notify_events();
+        gtk_range_set_range(GTK_RANGE(m_pScale), min, max);
+        enable_notify_events();
+    }
+
+    virtual void set_increments(int step, int page) override
+    {
+        disable_notify_events();
+        gtk_range_set_increments(GTK_RANGE(m_pScale), step, page);
+        enable_notify_events();
+    }
+
+    virtual void get_increments(int& step, int& page) const override
+    {
+        GtkAdjustment* pAdjustment = gtk_range_get_adjustment(GTK_RANGE(m_pScale));
+        step = gtk_adjustment_get_step_increment(pAdjustment);
+        page = gtk_adjustment_get_page_increment(pAdjustment);
+    }
+
+    virtual int get_value() const override
+    {
+        return gtk_range_get_value(GTK_RANGE(m_pScale));
+    }
+
+    virtual ~GtkInstanceScale() override
+    {
+        g_signal_handler_disconnect(m_pScale, m_nValueChangedSignalId);
+    }
+};
+
+class GtkInstanceProgressBar : public GtkInstanceWidget, public virtual weld::ProgressBar
+{
+private:
+    GtkProgressBar* m_pProgressBar;
+
+public:
+    GtkInstanceProgressBar(GtkProgressBar* pProgressBar, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pProgressBar), pBuilder, bTakeOwnership)
+        , m_pProgressBar(pProgressBar)
+    {
+    }
+
+    virtual void set_percentage(int value) override
+    {
+        gtk_progress_bar_set_fraction(m_pProgressBar, value / 100.0);
+    }
+
+    virtual OUString get_text() const override
+    {
+        const gchar* pText = gtk_progress_bar_get_text(m_pProgressBar);
+        OUString sRet(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+        return sRet;
+    }
+
+    virtual void set_text(const OUString& rText) override
+    {
+        gtk_progress_bar_set_text(m_pProgressBar, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+    }
+};
+
+class GtkInstanceLevelBar : public GtkInstanceWidget, public virtual weld::LevelBar
+{
+private:
+    GtkLevelBar* m_pLevelBar;
+
+public:
+    GtkInstanceLevelBar(GtkLevelBar* pLevelBar, GtkInstanceBuilder* pBuilder,
+                        bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pLevelBar), pBuilder, bTakeOwnership)
+        , m_pLevelBar(pLevelBar)
+    {
+    }
+
+    virtual void set_percentage(double fPercentage) override
+    {
+        gtk_level_bar_set_value(m_pLevelBar, fPercentage / 100.0);
+    }
+};
+
+class GtkInstanceSpinner : public GtkInstanceWidget, public virtual weld::Spinner
+{
+private:
+    GtkSpinner* m_pSpinner;
+
+public:
+    GtkInstanceSpinner(GtkSpinner* pSpinner, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pSpinner), pBuilder, bTakeOwnership)
+        , m_pSpinner(pSpinner)
+    {
+    }
+
+    virtual void start() override
+    {
+        gtk_spinner_start(m_pSpinner);
+    }
+
+    virtual void stop() override
+    {
+        gtk_spinner_stop(m_pSpinner);
+    }
+};
+
+class GtkInstanceImage : public GtkInstanceWidget, public virtual weld::Image
+{
+private:
+    GtkImage* m_pImage;
+
+public:
+    GtkInstanceImage(GtkImage* pImage, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pImage), pBuilder, bTakeOwnership)
+        , m_pImage(pImage)
+    {
+    }
+
+    virtual void set_from_icon_name(const OUString& rIconName) override
+    {
+        image_set_from_icon_name(m_pImage, rIconName);
+    }
+
+    virtual void set_image(VirtualDevice* pDevice) override
+    {
+        image_set_from_virtual_device(m_pImage, pDevice);
+    }
+
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rImage) override
+    {
+        image_set_from_xgraphic(m_pImage, rImage);
+    }
+};
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+class GtkInstancePicture: public GtkInstanceWidget, public virtual weld::Image
+{
+private:
+    GtkPicture* m_pPicture;
+
+public:
+    GtkInstancePicture(GtkPicture* pPicture, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pPicture), pBuilder, bTakeOwnership)
+        , m_pPicture(pPicture)
+    {
+        gtk_picture_set_can_shrink(m_pPicture, true);
+    }
+
+    virtual void set_from_icon_name(const OUString& rIconName) override
+    {
+        picture_set_from_icon_name(m_pPicture, rIconName);
+    }
+
+    virtual void set_image(VirtualDevice* pDevice) override
+    {
+        picture_set_from_virtual_device(m_pPicture, pDevice);
+    }
+
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rPicture) override
+    {
+        picture_set_from_xgraphic(m_pPicture, rPicture);
+    }
+};
+#endif
+
+class GtkInstanceCalendar : public GtkInstanceWidget, public virtual weld::Calendar
+{
+private:
+    GtkCalendar* m_pCalendar;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkEventController* m_pKeyController;
+#endif
+    gulong m_nDaySelectedSignalId;
+    gulong m_nDaySelectedDoubleClickSignalId;
+    gulong m_nKeyPressEventSignalId;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nButtonPressEventSignalId;
+#endif
+
+    static void signalDaySelected(GtkCalendar*, gpointer widget)
+    {
+        GtkInstanceCalendar* pThis = static_cast<GtkInstanceCalendar*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_selected();
+    }
+
+    static void signalDaySelectedDoubleClick(GtkCalendar*, gpointer widget)
+    {
+        GtkInstanceCalendar* pThis = static_cast<GtkInstanceCalendar*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_activated();
+    }
+
+    bool signal_key_press(guint nKeyVal)
+    {
+        if (nKeyVal == GDK_KEY_Return || nKeyVal == GDK_KEY_KP_Enter)
+        {
+            SolarMutexGuard aGuard;
+            signal_activated();
+            return true;
+        }
+        return false;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalKeyPress(GtkEventControllerKey*, guint nKeyVal, guint /*nKeyCode*/, GdkModifierType, gpointer widget)
+    {
+        GtkInstanceCalendar* pThis = static_cast<GtkInstanceCalendar*>(widget);
+        return pThis->signal_key_press(nKeyVal);
+    }
+#else
+    static gboolean signalKeyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceCalendar* pThis = static_cast<GtkInstanceCalendar*>(widget);
+        return pThis->signal_key_press(pEvent->keyval);
+    }
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalButton(GtkWidget*, GdkEventButton*, gpointer)
+    {
+        // don't let button press get to parent window, for the case of the
+        // ImplCFieldFloatWin floating window belonging to CalendarField where
+        // the click on the calendar continues to the parent GtkWindow and
+        // closePopup is called by GtkSalFrame::signalButton because the click
+        // window isn't that of the floating parent GtkWindow
+        return true;
+    }
+#endif
+
+public:
+    GtkInstanceCalendar(GtkCalendar* pCalendar, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pCalendar), pBuilder, bTakeOwnership)
+        , m_pCalendar(pCalendar)
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_pKeyController(gtk_event_controller_key_new())
+#endif
+        , m_nDaySelectedSignalId(g_signal_connect(pCalendar, "day-selected", G_CALLBACK(signalDaySelected), this))
+        , m_nDaySelectedDoubleClickSignalId(g_signal_connect(pCalendar, "day-selected-double-click", G_CALLBACK(signalDaySelectedDoubleClick), this))
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_nKeyPressEventSignalId(g_signal_connect(m_pKeyController, "key-pressed", G_CALLBACK(signalKeyPress), this))
+#else
+        , m_nKeyPressEventSignalId(g_signal_connect(pCalendar, "key-press-event", G_CALLBACK(signalKeyPress), this))
+        , m_nButtonPressEventSignalId(g_signal_connect_after(pCalendar, "button-press-event", G_CALLBACK(signalButton), this))
+#endif
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_add_controller(GTK_WIDGET(m_pCalendar), m_pKeyController);
+#endif
+    }
+
+    virtual void set_date(const Date& rDate) override
+    {
+        if (!rDate.IsValidAndGregorian())
+            return;
+
+        disable_notify_events();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GDateTime* pDateTime = g_date_time_new_local(rDate.GetYear(), rDate.GetMonth(), rDate.GetDay(), 0, 0, 0);
+        gtk_calendar_select_day(m_pCalendar, pDateTime);
+        g_date_time_unref(pDateTime);
+#else
+        gtk_calendar_select_month(m_pCalendar, rDate.GetMonth() - 1, rDate.GetYear());
+        gtk_calendar_select_day(m_pCalendar, rDate.GetDay());
+#endif
+        enable_notify_events();
+    }
+
+    virtual Date get_date() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GDateTime* pDateTime = gtk_calendar_get_date(m_pCalendar);
+        Date aDate(g_date_time_get_day_of_month(pDateTime),
+                   g_date_time_get_month(pDateTime),
+                   g_date_time_get_year(pDateTime));
+        g_date_time_unref(pDateTime);
+        return aDate;
+#else
+        guint year, month, day;
+        gtk_calendar_get_date(m_pCalendar, &year, &month, &day);
+        return Date(day, month + 1, year);
+#endif
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pCalendar, m_nDaySelectedDoubleClickSignalId);
+        g_signal_handler_block(m_pCalendar, m_nDaySelectedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pCalendar, m_nDaySelectedSignalId);
+        g_signal_handler_unblock(m_pCalendar, m_nDaySelectedDoubleClickSignalId);
+    }
+
+    virtual ~GtkInstanceCalendar() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pKeyController, m_nKeyPressEventSignalId);
+#else
+        g_signal_handler_disconnect(m_pCalendar, m_nButtonPressEventSignalId);
+        g_signal_handler_disconnect(m_pCalendar, m_nKeyPressEventSignalId);
+#endif
+        g_signal_handler_disconnect(m_pCalendar, m_nDaySelectedDoubleClickSignalId);
+        g_signal_handler_disconnect(m_pCalendar, m_nDaySelectedSignalId);
+    }
+};
+
+}
+
+namespace
+{
+    // CSS nodes: entry[.flat][.warning][.error]
+    void set_widget_css_message_type(GtkWidget* pWidget, weld::EntryMessageType eType)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_remove_css_class(pWidget, "error");
+        gtk_widget_remove_css_class(pWidget, "warning");
+#else
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(pWidget);
+        gtk_style_context_remove_class(pWidgetContext, "error");
+        gtk_style_context_remove_class(pWidgetContext, "warning");
+#endif
+
+        switch (eType)
+        {
+            case weld::EntryMessageType::Normal:
+                break;
+            case weld::EntryMessageType::Warning:
+#if GTK_CHECK_VERSION(4, 0, 0)
+                gtk_widget_add_css_class(pWidget, "warning");
+#else
+                gtk_style_context_add_class(pWidgetContext, "warning");
+#endif
+                break;
+            case weld::EntryMessageType::Error:
+#if GTK_CHECK_VERSION(4, 0, 0)
+                gtk_widget_add_css_class(pWidget, "error");
+#else
+                gtk_style_context_add_class(pWidgetContext, "error");
+#endif
+                break;
+        }
+    }
+
+    void set_entry_message_type(GtkEntry* pEntry, weld::EntryMessageType eType)
+    {
+        set_widget_css_message_type(GTK_WIDGET(pEntry), eType);
+        switch (eType)
+        {
+            case weld::EntryMessageType::Normal:
+                gtk_entry_set_icon_from_icon_name(pEntry, GTK_ENTRY_ICON_SECONDARY, nullptr);
+                break;
+            case weld::EntryMessageType::Warning:
+                gtk_entry_set_icon_from_icon_name(pEntry, GTK_ENTRY_ICON_SECONDARY, "dialog-warning");
+                break;
+            case weld::EntryMessageType::Error:
+                gtk_entry_set_icon_from_icon_name(pEntry, GTK_ENTRY_ICON_SECONDARY, "dialog-error");
+                break;
+        }
+    }
+}
+
+namespace
+{
+
+class GtkInstanceEditable : public GtkInstanceWidget, public virtual weld::Entry
+{
+protected:
+    GtkEditable* m_pEditable;
+    GtkWidget* m_pDelegate;
+    WidgetFont m_aCustomFont;
+private:
+    gulong m_nChangedSignalId;
+    gulong m_nInsertTextSignalId;
+    gulong m_nCursorPosSignalId;
+    gulong m_nSelectionPosSignalId;
+    gulong m_nActivateSignalId;
+
+    static void signalChanged(GtkEditable*, gpointer widget)
+    {
+        GtkInstanceEditable* pThis = static_cast<GtkInstanceEditable*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_changed();
+    }
+
+    static void signalInsertText(GtkEditable* pEditable, const gchar* pNewText, gint nNewTextLength,
+                                 gint* position, gpointer widget)
+    {
+        GtkInstanceEditable* pThis = static_cast<GtkInstanceEditable*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_insert_text(pEditable, pNewText, nNewTextLength, position);
+    }
+
+    void signal_insert_text(GtkEditable* pEditable, const gchar* pNewText, gint nNewTextLength, gint* position)
+    {
+        if (!m_aInsertTextHdl.IsSet())
+            return;
+        OUString sText(pNewText, nNewTextLength, RTL_TEXTENCODING_UTF8);
+        const bool bContinue = m_aInsertTextHdl.Call(sText);
+        if (bContinue && !sText.isEmpty())
+        {
+            OString sFinalText(OUStringToOString(sText, RTL_TEXTENCODING_UTF8));
+            g_signal_handlers_block_by_func(pEditable, reinterpret_cast<gpointer>(signalInsertText), this);
+            gtk_editable_insert_text(pEditable, sFinalText.getStr(), sFinalText.getLength(), position);
+            g_signal_handlers_unblock_by_func(pEditable, reinterpret_cast<gpointer>(signalInsertText), this);
+        }
+        g_signal_stop_emission_by_name(pEditable, "insert-text");
+    }
+
+    static void signalCursorPosition(void*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceEditable* pThis = static_cast<GtkInstanceEditable*>(widget);
+        pThis->signal_cursor_position();
+    }
+
+    static void signalActivate(void*, gpointer widget)
+    {
+        GtkInstanceEditable* pThis = static_cast<GtkInstanceEditable*>(widget);
+        pThis->signal_activate();
+    }
+
+    virtual void ensureMouseEventWidget() override
+    {
+        // The GtkEntry is sufficient to get mouse events without an intermediate GtkEventBox
+        if (!m_pMouseEventBox)
+            m_pMouseEventBox = m_pDelegate;
+    }
+
+protected:
+
+    virtual void signal_activate()
+    {
+        if (m_aActivateHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            if (m_aActivateHdl.Call(*this))
+                g_signal_stop_emission_by_name(m_pDelegate, "activate");
+        }
+    }
+
+    PangoAttrList* get_attributes()
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_text_get_attributes(GTK_TEXT(m_pDelegate));
+#else
+        return gtk_entry_get_attributes(GTK_ENTRY(m_pDelegate));
+#endif
+    }
+
+    void set_attributes(PangoAttrList* pAttrs)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_text_set_attributes(GTK_TEXT(m_pDelegate), pAttrs);
+#else
+        gtk_entry_set_attributes(GTK_ENTRY(m_pDelegate), pAttrs);
+#endif
+    }
+
+public:
+    GtkInstanceEditable(GtkWidget* pWidget, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(pWidget, pBuilder, bTakeOwnership)
+        , m_pEditable(GTK_EDITABLE(pWidget))
+#if GTK_CHECK_VERSION(4, 0, 0)
+        , m_pDelegate(GTK_WIDGET(gtk_editable_get_delegate(m_pEditable)))
+#else
+        , m_pDelegate(pWidget)
+#endif
+        , m_aCustomFont(m_pWidget)
+        , m_nChangedSignalId(g_signal_connect(m_pEditable, "changed", G_CALLBACK(signalChanged), this))
+        , m_nInsertTextSignalId(g_signal_connect(m_pEditable, "insert-text", G_CALLBACK(signalInsertText), this))
+        , m_nCursorPosSignalId(g_signal_connect(m_pEditable, "notify::cursor-position", G_CALLBACK(signalCursorPosition), this))
+        , m_nSelectionPosSignalId(g_signal_connect(m_pEditable, "notify::selection-bound", G_CALLBACK(signalCursorPosition), this))
+        , m_nActivateSignalId(g_signal_connect(m_pDelegate, "activate", G_CALLBACK(signalActivate), this))
+    {
+    }
+
+    virtual void set_text(const OUString& rText) override
+    {
+        disable_notify_events();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_editable_set_text(m_pEditable, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#else
+        gtk_entry_set_text(GTK_ENTRY(m_pDelegate), OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+        enable_notify_events();
+    }
+
+    virtual OUString get_text() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        const gchar* pText = gtk_editable_get_text(m_pEditable);
+#else
+        const gchar* pText = gtk_entry_get_text(GTK_ENTRY(m_pDelegate));
+#endif
+        OUString sRet(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+        return sRet;
+    }
+
+    virtual void set_width_chars(int nChars) override
+    {
+        disable_notify_events();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_editable_set_width_chars(m_pEditable, nChars);
+        gtk_editable_set_max_width_chars(m_pEditable, nChars);
+#else
+        gtk_entry_set_width_chars(GTK_ENTRY(m_pDelegate), nChars);
+        gtk_entry_set_max_width_chars(GTK_ENTRY(m_pDelegate), nChars);
+#endif
+        enable_notify_events();
+    }
+
+    virtual int get_width_chars() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_editable_get_width_chars(m_pEditable);
+#else
+        return gtk_entry_get_width_chars(GTK_ENTRY(m_pDelegate));
+#endif
+    }
+
+    virtual void set_max_length(int nChars) override
+    {
+        disable_notify_events();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_text_set_max_length(GTK_TEXT(m_pDelegate), nChars);
+#else
+        gtk_entry_set_max_length(GTK_ENTRY(m_pDelegate), nChars);
+#endif
+        enable_notify_events();
+    }
+
+    virtual void select_region(int nStartPos, int nEndPos) override
+    {
+        disable_notify_events();
+        gtk_editable_select_region(m_pEditable, nStartPos, nEndPos);
+        enable_notify_events();
+    }
+
+    bool get_selection_bounds(int& rStartPos, int& rEndPos) override
+    {
+        return gtk_editable_get_selection_bounds(m_pEditable, &rStartPos, &rEndPos);
+    }
+
+    virtual void replace_selection(const OUString& rText) override
+    {
+        disable_notify_events();
+        gtk_editable_delete_selection(m_pEditable);
+        OString sText(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+        gint position = gtk_editable_get_position(m_pEditable);
+        gtk_editable_insert_text(m_pEditable, sText.getStr(), sText.getLength(),
+                                 &position);
+        enable_notify_events();
+    }
+
+    virtual void set_position(int nCursorPos) override
+    {
+        disable_notify_events();
+        gtk_editable_set_position(m_pEditable, nCursorPos);
+        enable_notify_events();
+    }
+
+    virtual int get_position() const override
+    {
+        return gtk_editable_get_position(m_pEditable);
+    }
+
+    virtual void set_editable(bool bEditable) override
+    {
+        gtk_editable_set_editable(m_pEditable, bEditable);
+    }
+
+    virtual bool get_editable() const override
+    {
+        return gtk_editable_get_editable(m_pEditable);
+    }
+
+    virtual void set_overwrite_mode(bool bOn) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_text_set_overwrite_mode(GTK_TEXT(m_pDelegate), bOn);
+#else
+        gtk_entry_set_overwrite_mode(GTK_ENTRY(m_pDelegate), bOn);
+#endif
+    }
+
+    virtual bool get_overwrite_mode() const override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return gtk_text_get_overwrite_mode(GTK_TEXT(m_pDelegate));
+#else
+        return gtk_entry_get_overwrite_mode(GTK_ENTRY(m_pDelegate));
+#endif
+    }
+
+    virtual void set_message_type(weld::EntryMessageType eType) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (!GTK_IS_ENTRY(m_pDelegate))
+        {
+            ::set_widget_css_message_type(m_pDelegate, eType);
+            return;
+        }
+#endif
+        ::set_entry_message_type(GTK_ENTRY(m_pDelegate), eType);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pDelegate, m_nActivateSignalId);
+        g_signal_handler_block(m_pEditable, m_nSelectionPosSignalId);
+        g_signal_handler_block(m_pEditable, m_nCursorPosSignalId);
+        g_signal_handler_block(m_pEditable, m_nInsertTextSignalId);
+        g_signal_handler_block(m_pEditable, m_nChangedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pEditable, m_nChangedSignalId);
+        g_signal_handler_unblock(m_pEditable, m_nInsertTextSignalId);
+        g_signal_handler_unblock(m_pEditable, m_nCursorPosSignalId);
+        g_signal_handler_unblock(m_pEditable, m_nSelectionPosSignalId);
+        g_signal_handler_unblock(m_pDelegate, m_nActivateSignalId);
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (const vcl::Font* pFont = m_aCustomFont.get_custom_font())
+            return *pFont;
+        return GtkInstanceWidget::get_font();
+    }
+
+    void set_font_color(const Color& rColor) override
+    {
+        PangoAttrList* pOrigList = get_attributes();
+        if (rColor == COL_AUTO && !pOrigList) // nothing to do
+            return;
+
+        PangoAttrType aFilterAttrs[] = {PANGO_ATTR_FOREGROUND, PANGO_ATTR_INVALID};
+
+        PangoAttrList* pAttrs = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+        PangoAttrList* pRemovedAttrs = pOrigList ? pango_attr_list_filter(pAttrs, filter_pango_attrs, &aFilterAttrs) : nullptr;
+
+        if (rColor != COL_AUTO)
+            pango_attr_list_insert(pAttrs, pango_attr_foreground_new(rColor.GetRed()/255.0, rColor.GetGreen()/255.0, rColor.GetBlue()/255.0));
+
+        set_attributes(pAttrs);
+        pango_attr_list_unref(pAttrs);
+        pango_attr_list_unref(pRemovedAttrs);
+    }
+
+    void fire_signal_changed()
+    {
+        signal_changed();
+    }
+
+    virtual void cut_clipboard() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_activate_action(m_pDelegate, "cut.clipboard", nullptr);
+#else
+        gtk_editable_cut_clipboard(m_pEditable);
+#endif
+    }
+
+    virtual void copy_clipboard() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_activate_action(m_pDelegate, "copy.clipboard", nullptr);
+#else
+        gtk_editable_copy_clipboard(m_pEditable);
+#endif
+    }
+
+    virtual void paste_clipboard() override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_activate_action(m_pDelegate, "paste.clipboard", nullptr);
+#else
+        gtk_editable_paste_clipboard(m_pEditable);
+#endif
+    }
+
+    virtual void set_placeholder_text(const OUString& rText) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_text_set_placeholder_text(GTK_TEXT(m_pDelegate), rText.toUtf8().getStr());
+#else
+        gtk_entry_set_placeholder_text(GTK_ENTRY(m_pDelegate), rText.toUtf8().getStr());
+#endif
+    }
+
+    virtual void grab_focus() override
+    {
+        if (has_focus())
+            return;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_text_grab_focus_without_selecting(GTK_TEXT(m_pDelegate));
+#else
+        gtk_entry_grab_focus_without_selecting(GTK_ENTRY(m_pDelegate));
+#endif
+    }
+
+    virtual void set_alignment(TxtAlign eXAlign) override
+    {
+        gfloat xalign = 0;
+        switch (eXAlign)
+        {
+            case TxtAlign::Left:
+                xalign = 0.0;
+                break;
+            case TxtAlign::Center:
+                xalign = 0.5;
+                break;
+            case TxtAlign::Right:
+                xalign = 1.0;
+                break;
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_editable_set_alignment(m_pEditable, xalign);
+#else
+        gtk_entry_set_alignment(GTK_ENTRY(m_pDelegate), xalign);
+#endif
+    }
+
+    virtual ~GtkInstanceEditable() override
+    {
+        g_signal_handler_disconnect(m_pDelegate, m_nActivateSignalId);
+        g_signal_handler_disconnect(m_pEditable, m_nSelectionPosSignalId);
+        g_signal_handler_disconnect(m_pEditable, m_nCursorPosSignalId);
+        g_signal_handler_disconnect(m_pEditable, m_nInsertTextSignalId);
+        g_signal_handler_disconnect(m_pEditable, m_nChangedSignalId);
+    }
+};
+
+class GtkInstanceEntry : public GtkInstanceEditable
+{
+private:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    GtkEntry* m_pEntry;
+    GtkOverlay* m_pPlaceHolderReplacement;
+    GtkLabel* m_pPlaceHolderLabel;
+    gulong m_nEntryFocusInSignalId;
+    gulong m_nEntryFocusOutSignalId;
+    gulong m_nEntryTextLengthSignalId;
+    gulong m_nEntryScrollOffsetSignalId;
+    guint m_nUpdatePlaceholderReplacementIdle;
+
+    static gboolean do_update_placeholder_replacement(gpointer widget)
+    {
+        GtkInstanceEntry* pThis = static_cast<GtkInstanceEntry*>(widget);
+        pThis->update_placeholder_replacement();
+        return false;
+    }
+
+    void update_placeholder_replacement()
+    {
+        m_nUpdatePlaceholderReplacementIdle = 0;
+
+        const char* placeholder_text = gtk_entry_get_placeholder_text(m_pEntry);
+        const bool bShow = placeholder_text && !gtk_entry_get_text_length(m_pEntry) &&
+                           gtk_widget_has_focus(GTK_WIDGET(m_pEntry));
+        if (bShow)
+        {
+            GdkRectangle text_area;
+            gtk_entry_get_text_area(m_pEntry, &text_area);
+            gint x;
+            gtk_entry_get_layout_offsets(m_pEntry, &x, nullptr);
+            gtk_widget_set_margin_start(GTK_WIDGET(m_pPlaceHolderLabel), x);
+            gtk_widget_set_margin_end(GTK_WIDGET(m_pPlaceHolderLabel), x);
+            gtk_label_set_text(m_pPlaceHolderLabel, placeholder_text);
+            gtk_widget_show(GTK_WIDGET(m_pPlaceHolderLabel));
+        }
+        else
+            gtk_widget_hide(GTK_WIDGET(m_pPlaceHolderLabel));
+    }
+
+    void launch_update_placeholder_replacement()
+    {
+        // do it in the next event cycle so the GtkEntry has done its layout
+        // and gtk_entry_get_layout_offsets returns the right results
+        if (m_nUpdatePlaceholderReplacementIdle)
+            return;
+        // G_PRIORITY_LOW so gtk's idles are run before this
+        m_nUpdatePlaceholderReplacementIdle = g_idle_add_full(G_PRIORITY_LOW, do_update_placeholder_replacement, this, nullptr);
+    }
+
+    static gboolean signalEntryFocusIn(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceEntry* pThis = static_cast<GtkInstanceEntry*>(widget);
+        pThis->launch_update_placeholder_replacement();
+        return false;
+    }
+
+    static gboolean signalEntryFocusOut(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceEntry* pThis = static_cast<GtkInstanceEntry*>(widget);
+        pThis->launch_update_placeholder_replacement();
+        return false;
+    }
+
+    static void signalEntryTextLength(void*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceEntry* pThis = static_cast<GtkInstanceEntry*>(widget);
+        pThis->launch_update_placeholder_replacement();
+    }
+
+    static void signalEntryScrollOffset(void*, GParamSpec*, gpointer widget)
+    {
+        // this property affects the x-position of the text area
+        GtkInstanceEntry* pThis = static_cast<GtkInstanceEntry*>(widget);
+        pThis->launch_update_placeholder_replacement();
+    }
+
+#endif
+
+public:
+    GtkInstanceEntry(GtkEntry* pEntry, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceEditable(GTK_WIDGET(pEntry), pBuilder, bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_pEntry(pEntry)
+        , m_pPlaceHolderReplacement(nullptr)
+        , m_pPlaceHolderLabel(nullptr)
+        , m_nEntryFocusInSignalId(0)
+        , m_nEntryFocusOutSignalId(0)
+        , m_nEntryTextLengthSignalId(0)
+        , m_nEntryScrollOffsetSignalId(0)
+        , m_nUpdatePlaceholderReplacementIdle(0)
+#endif
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // tdf#150810 fake getting placeholders visible even when GtkEntry has focus in gtk3.
+        // In gtk4 this works out of the box, for gtk3 fake it by having a GtkLabel in an
+        // overlay and show that label if the placeholder would be shown if there was
+        // no focus
+        const char* pPlaceHolderText = gtk_entry_get_placeholder_text(m_pEntry);
+        if (pPlaceHolderText ? strlen(pPlaceHolderText) : 0)
+        {
+            m_pPlaceHolderReplacement = GTK_OVERLAY(gtk_overlay_new());
+            m_pPlaceHolderLabel = GTK_LABEL(gtk_label_new(nullptr));
+
+            GtkStyleContext *pStyleContext = gtk_widget_get_style_context(GTK_WIDGET(m_pEntry));
+            GdkRGBA fg = { 0.5, 0.5, 0.5, 0.0 };
+            gtk_style_context_lookup_color(pStyleContext, "placeholder_text_color", &fg);
+
+            auto red = std::clamp(fg.red * 65535 + 0.5, 0.0, 65535.0);
+            auto green = std::clamp(fg.green * 65535 + 0.5, 0.0, 65535.0);
+            auto blue = std::clamp(fg.blue * 65535 + 0.5, 0.0, 65535.0);
+
+            PangoAttribute *pAttr = pango_attr_foreground_new(red, green, blue);
+            pAttr->start_index = 0;
+            pAttr->end_index = G_MAXINT;
+            PangoAttrList* pAttrList = pango_attr_list_new();
+            pango_attr_list_insert(pAttrList, pAttr);
+            gtk_label_set_attributes(m_pPlaceHolderLabel, pAttrList);
+            pango_attr_list_unref(pAttrList);
+
+            // The GtkEntry will have the placeholder as the text to analyze here, assumes there is no initial text, just placeholder
+            const bool bRTL = PANGO_DIRECTION_RTL == pango_context_get_base_dir(pango_layout_get_context(gtk_entry_get_layout(m_pEntry)));
+            SAL_WARN_IF(gtk_entry_get_text_length(m_pEntry), "vcl.gtk", "don't have a placeholder set, but also initial text");
+            gtk_label_set_xalign(m_pPlaceHolderLabel, bRTL ? 1.0 : 0.0);
+
+            gtk_overlay_add_overlay(m_pPlaceHolderReplacement, GTK_WIDGET(m_pPlaceHolderLabel));
+            insertAsParent(GTK_WIDGET(m_pEntry), GTK_WIDGET(m_pPlaceHolderReplacement));
+            m_nEntryFocusInSignalId = g_signal_connect_after(m_pEntry, "focus-in-event", G_CALLBACK(signalEntryFocusIn), this);
+            m_nEntryFocusOutSignalId = g_signal_connect_after(m_pEntry, "focus-out-event", G_CALLBACK(signalEntryFocusOut), this);
+            m_nEntryTextLengthSignalId = g_signal_connect(m_pEntry, "notify::text-length", G_CALLBACK(signalEntryTextLength), this);
+            m_nEntryScrollOffsetSignalId = g_signal_connect(m_pEntry, "notify::scroll-offset", G_CALLBACK(signalEntryScrollOffset), this);
+        }
+#endif
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"entry");
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+
+    virtual void show() override
+    {
+        GtkInstanceEditable::show();
+        if (m_pPlaceHolderReplacement)
+            gtk_widget_show(GTK_WIDGET(m_pPlaceHolderReplacement));
+    }
+
+    virtual void hide() override
+    {
+        if (m_pPlaceHolderReplacement)
+            gtk_widget_hide(GTK_WIDGET(m_pPlaceHolderReplacement));
+        GtkInstanceEditable::hide();
+    }
+
+    virtual ~GtkInstanceEntry() override
+    {
+        if (m_nUpdatePlaceholderReplacementIdle)
+            g_source_remove(m_nUpdatePlaceholderReplacementIdle);
+        if (m_nEntryFocusInSignalId)
+            g_signal_handler_disconnect(m_pEntry, m_nEntryFocusInSignalId);
+        if (m_nEntryFocusOutSignalId)
+            g_signal_handler_disconnect(m_pEntry, m_nEntryFocusOutSignalId);
+        if (m_nEntryTextLengthSignalId)
+            g_signal_handler_disconnect(m_pEntry, m_nEntryTextLengthSignalId);
+        if (m_nEntryScrollOffsetSignalId)
+            g_signal_handler_disconnect(m_pEntry, m_nEntryScrollOffsetSignalId);
+    }
+#endif
+};
+
+}
+
+namespace
+{
+
+    struct Search
+    {
+        OString str;
+        int index;
+        int col;
+        Search(std::u16string_view rText, int nCol)
+            : str(OUStringToOString(rText, RTL_TEXTENCODING_UTF8))
+            , index(-1)
+            , col(nCol)
+        {
+        }
+    };
+
+    gboolean foreach_find(GtkTreeModel* model, GtkTreePath* path, GtkTreeIter* iter, gpointer data)
+    {
+        Search* search = static_cast<Search*>(data);
+        gchar *pStr = nullptr;
+        gtk_tree_model_get(model, iter, search->col, &pStr, -1);
+        bool found = strcmp(pStr, search->str.getStr()) == 0;
+        if (found)
+        {
+            gint depth;
+            gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+            search->index = indices[depth-1];
+        }
+        g_free(pStr);
+        return found;
+    }
+
+    void insert_row(GtkListStore* pListStore, GtkTreeIter& iter, int pos, const OUString* pId, std::u16string_view rText, const OUString* pIconName, const VirtualDevice* pDevice)
+    {
+        if (!pIconName && !pDevice)
+        {
+            gtk_list_store_insert_with_values(pListStore, &iter, pos,
+                                              0, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr(),
+                                              1, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr(),
+                                              -1);
+        }
+        else
+        {
+            if (pIconName)
+            {
+                GdkPixbuf* pixbuf = getPixbuf(*pIconName);
+
+                gtk_list_store_insert_with_values(pListStore, &iter, pos,
+                                                  0, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr(),
+                                                  1, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr(),
+                                                  2, pixbuf,
+                                                  -1);
+
+                if (pixbuf)
+                    g_object_unref(pixbuf);
+            }
+            else
+            {
+                cairo_surface_t* surface = get_underlying_cairo_surface(*pDevice);
+
+                Size aSize(pDevice->GetOutputSizePixel());
+                cairo_surface_t* target = cairo_surface_create_similar(surface,
+                                                                        cairo_surface_get_content(surface),
+                                                                        aSize.Width(),
+                                                                        aSize.Height());
+
+                cairo_t* cr = cairo_create(target);
+                cairo_set_source_surface(cr, surface, 0, 0);
+                cairo_paint(cr);
+                cairo_destroy(cr);
+
+                gtk_list_store_insert_with_values(pListStore, &iter, pos,
+                                                  0, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr(),
+                                                  1, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr(),
+                                                  3, target,
+                                                  -1);
+                cairo_surface_destroy(target);
+            }
+        }
+    }
+}
+
+namespace
+{
+    gint default_sort_func(GtkTreeModel* pModel, GtkTreeIter* a, GtkTreeIter* b, gpointer data)
+    {
+        comphelper::string::NaturalStringSorter* pSorter = static_cast<comphelper::string::NaturalStringSorter*>(data);
+        gchar* pName1;
+        gchar* pName2;
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(pModel);
+        gint sort_column_id(0);
+        gtk_tree_sortable_get_sort_column_id(pSortable, &sort_column_id, nullptr);
+        gtk_tree_model_get(pModel, a, sort_column_id, &pName1, -1);
+        gtk_tree_model_get(pModel, b, sort_column_id, &pName2, -1);
+        gint ret = pSorter->compare(OUString(pName1, pName1 ? strlen(pName1) : 0, RTL_TEXTENCODING_UTF8),
+                                    OUString(pName2, pName2 ? strlen(pName2) : 0, RTL_TEXTENCODING_UTF8));
+        g_free(pName1);
+        g_free(pName2);
+        return ret;
+    }
+
+    int starts_with(GtkTreeModel* pTreeModel, const OUString& rStr, int col, int nStartRow, bool bCaseSensitive)
+    {
+        GtkTreeIter iter;
+        if (!gtk_tree_model_iter_nth_child(pTreeModel, &iter, nullptr, nStartRow))
+            return -1;
+
+        const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
+        int nRet = nStartRow;
+        do
+        {
+            gchar* pStr;
+            gtk_tree_model_get(pTreeModel, &iter, col, &pStr, -1);
+            OUString aStr(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+            g_free(pStr);
+            const bool bMatch = !bCaseSensitive ? rI18nHelper.MatchString(rStr, aStr) : aStr.startsWith(rStr);
+            if (bMatch)
+                return nRet;
+            ++nRet;
+        } while (gtk_tree_model_iter_next(pTreeModel, &iter));
+
+        return -1;
+    }
+
+    struct GtkInstanceTreeIter : public weld::TreeIter
+    {
+        GtkInstanceTreeIter(const GtkInstanceTreeIter* pOrig)
+        {
+            if (pOrig)
+                iter = pOrig->iter;
+            else
+                memset(&iter, 0, sizeof(iter));
+        }
+        GtkInstanceTreeIter(const GtkTreeIter& rOrig)
+        {
+            memcpy(&iter, &rOrig, sizeof(iter));
+        }
+        virtual bool equal(const TreeIter& rOther) const override
+        {
+            return memcmp(&iter,  &static_cast<const GtkInstanceTreeIter&>(rOther).iter, sizeof(GtkTreeIter)) == 0;
+        }
+        GtkTreeIter iter;
+    };
+
+    class GtkInstanceTreeView;
+
+}
+
+static GtkInstanceTreeView* g_DragSource;
+
+namespace {
+
+struct CompareGtkTreePath
+{
+    bool operator()(const GtkTreePath* lhs, const GtkTreePath* rhs) const
+    {
+        return gtk_tree_path_compare(lhs, rhs) < 0;
+    }
+};
+
+int get_height_row(GtkTreeView* pTreeView, GList* pColumns)
+{
+    gint nMaxRowHeight = 0;
+    for (GList* pEntry = g_list_first(pColumns); pEntry; pEntry = g_list_next(pEntry))
+    {
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+        GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+        for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+        {
+            GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+            gint nRowHeight;
+            gtk_cell_renderer_get_preferred_height(pCellRenderer, GTK_WIDGET(pTreeView), nullptr, &nRowHeight);
+            nMaxRowHeight = std::max(nMaxRowHeight, nRowHeight);
+        }
+        g_list_free(pRenderers);
+    }
+    return nMaxRowHeight;
+}
+
+int get_height_row_separator(GtkTreeView* pTreeView)
+{
+    // gtk4: _TREE_VIEW_VERTICAL_SEPARATOR define in gtk/gtktreeview.c
+    gint nVerticalSeparator = 2;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gtk_widget_style_get(GTK_WIDGET(pTreeView), "vertical-separator", &nVerticalSeparator, nullptr);
+#else
+    (void)pTreeView;
+#endif
+    return nVerticalSeparator;
+}
+
+int get_height_rows(GtkTreeView* pTreeView, GList* pColumns, int nRows)
+{
+    gint nMaxRowHeight = get_height_row(pTreeView, pColumns);
+    gint nVerticalSeparator = get_height_row_separator(pTreeView);
+    return (nMaxRowHeight * nRows) + (nVerticalSeparator * nRows) / 2;
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+int get_height_rows(int nRowHeight, int nSeparatorHeight, int nRows)
+{
+    return (nRowHeight * nRows) + (nSeparatorHeight * (nRows + 1));
+}
+#endif
+
+tools::Rectangle get_row_area(GtkTreeView* pTreeView, GList* pColumns, GtkTreePath* pPath)
+{
+    tools::Rectangle aRet;
+
+    GdkRectangle aRect;
+    for (GList* pEntry = g_list_last(pColumns); pEntry; pEntry = g_list_previous(pEntry))
+    {
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+        gtk_tree_view_get_cell_area(pTreeView, pPath, pColumn, &aRect);
+        aRet.Union(tools::Rectangle(aRect.x, aRect.y, aRect.x + aRect.width, aRect.y + aRect.height));
+    }
+
+    return aRet;
+}
+
+struct GtkTreeRowReferenceDeleter
+{
+    void operator()(GtkTreeRowReference* p) const
+    {
+        gtk_tree_row_reference_free(p);
+    }
+};
+
+bool separator_function(const GtkTreePath* path, const std::vector<std::unique_ptr<GtkTreeRowReference, GtkTreeRowReferenceDeleter>>& rSeparatorRows)
+{
+    bool bFound = false;
+    for (auto& a : rSeparatorRows)
+    {
+        GtkTreePath* seppath = gtk_tree_row_reference_get_path(a.get());
+        if (seppath)
+        {
+            bFound = gtk_tree_path_compare(path, seppath) == 0;
+            gtk_tree_path_free(seppath);
+        }
+        if (bFound)
+            break;
+    }
+    return bFound;
+}
+
+void tree_store_set(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, ...)
+{
+    va_list args;
+
+    va_start(args, pIter);
+    gtk_tree_store_set_valist(GTK_TREE_STORE(pTreeModel), pIter, args);
+    va_end(args);
+}
+
+void list_store_set(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, ...)
+{
+    va_list args;
+
+    va_start(args, pIter);
+    gtk_list_store_set_valist(GTK_LIST_STORE(pTreeModel), pIter, args);
+    va_end(args);
+}
+
+void tree_store_insert_with_values(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent, gint nPos,
+                                   gint nTextCol, const gchar* pText,
+                                   gint nIdCol, const gchar* pId)
+{
+    gtk_tree_store_insert_with_values(GTK_TREE_STORE(pTreeModel), pIter, pParent, nPos,
+                                      nTextCol, pText, nIdCol, pId, -1);
+}
+
+void list_store_insert_with_values(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent, gint nPos,
+                                   gint nTextCol, const gchar* pText,
+                                   gint nIdCol, const gchar* pId)
+{
+    assert(!pParent); (void)pParent;
+    gtk_list_store_insert_with_values(GTK_LIST_STORE(pTreeModel), pIter, nPos,
+                                      nTextCol, pText, nIdCol, pId, -1);
+}
+
+void tree_store_prepend(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent)
+{
+    gtk_tree_store_prepend(GTK_TREE_STORE(pTreeModel), pIter, pParent);
+}
+
+void list_store_prepend(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent)
+{
+    assert(!pParent); (void)pParent;
+    gtk_list_store_prepend(GTK_LIST_STORE(pTreeModel), pIter);
+}
+
+void tree_store_insert(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent, gint nPosition)
+{
+    gtk_tree_store_insert(GTK_TREE_STORE(pTreeModel), pIter, pParent, nPosition);
+}
+
+void list_store_insert(GtkTreeModel* pTreeModel, GtkTreeIter *pIter, GtkTreeIter *pParent, gint nPosition)
+{
+    assert(!pParent); (void)pParent;
+    gtk_list_store_insert(GTK_LIST_STORE(pTreeModel), pIter, nPosition);
+}
+
+void tree_store_clear(GtkTreeModel* pTreeModel)
+{
+    gtk_tree_store_clear(GTK_TREE_STORE(pTreeModel));
+}
+
+void list_store_clear(GtkTreeModel* pTreeModel)
+{
+    gtk_list_store_clear(GTK_LIST_STORE(pTreeModel));
+}
+
+bool tree_store_remove(GtkTreeModel* pTreeModel, GtkTreeIter *pIter)
+{
+    return gtk_tree_store_remove(GTK_TREE_STORE(pTreeModel), pIter);
+}
+
+bool list_store_remove(GtkTreeModel* pTreeModel, GtkTreeIter *pIter)
+{
+    return gtk_list_store_remove(GTK_LIST_STORE(pTreeModel), pIter);
+}
+
+void tree_store_swap(GtkTreeModel* pTreeModel, GtkTreeIter* pIter1, GtkTreeIter* pIter2)
+{
+    gtk_tree_store_swap(GTK_TREE_STORE(pTreeModel), pIter1, pIter2);
+}
+
+void list_store_swap(GtkTreeModel* pTreeModel, GtkTreeIter* pIter1, GtkTreeIter* pIter2)
+{
+    gtk_list_store_swap(GTK_LIST_STORE(pTreeModel), pIter1, pIter2);
+}
+
+void tree_store_set_value(GtkTreeModel* pTreeModel, GtkTreeIter* pIter, gint nColumn, GValue* pValue)
+{
+    gtk_tree_store_set_value(GTK_TREE_STORE(pTreeModel), pIter, nColumn, pValue);
+}
+
+void list_store_set_value(GtkTreeModel* pTreeModel, GtkTreeIter* pIter, gint nColumn, GValue* pValue)
+{
+    gtk_list_store_set_value(GTK_LIST_STORE(pTreeModel), pIter, nColumn, pValue);
+}
+
+int promote_arg(bool bArg)
+{
+    return static_cast<int>(bArg);
+}
+
+class GtkInstanceTreeView : public GtkInstanceWidget, public virtual weld::TreeView
+{
+private:
+    GtkTreeView* m_pTreeView;
+    GtkTreeModel* m_pTreeModel;
+
+    typedef void(*setterFnc)(GtkTreeModel*, GtkTreeIter*, ...);
+    setterFnc m_Setter;
+
+    typedef void(*insertWithValuesFnc)(GtkTreeModel*, GtkTreeIter*, GtkTreeIter*, gint, gint, const gchar*, gint, const gchar*);
+    insertWithValuesFnc m_InsertWithValues;
+
+    typedef void(*insertFnc)(GtkTreeModel*, GtkTreeIter*, GtkTreeIter*, gint);
+    insertFnc m_Insert;
+
+    typedef void(*prependFnc)(GtkTreeModel*, GtkTreeIter*, GtkTreeIter*);
+    prependFnc m_Prepend;
+
+    typedef void(*clearFnc)(GtkTreeModel*);
+    clearFnc m_Clear;
+
+    typedef bool(*removeFnc)(GtkTreeModel*, GtkTreeIter*);
+    removeFnc m_Remove;
+
+    typedef void(*swapFnc)(GtkTreeModel*, GtkTreeIter*, GtkTreeIter*);
+    swapFnc m_Swap;
+
+    typedef void(*setValueFnc)(GtkTreeModel*, GtkTreeIter*, gint, GValue*);
+    setValueFnc m_SetValue;
+
+    std::unique_ptr<comphelper::string::NaturalStringSorter> m_xSorter;
+    GList *m_pColumns;
+    std::vector<gulong> m_aColumnSignalIds;
+    // map from toggle column to toggle visibility column
+    std::map<int, int> m_aToggleVisMap;
+    // map from toggle column to tristate column
+    std::map<int, int> m_aToggleTriStateMap;
+    // map from text column to text weight column
+    std::map<int, int> m_aWeightMap;
+    // map from text column to sensitive column
+    std::map<int, int> m_aSensitiveMap;
+    // map from text column to indent column
+    std::map<int, int> m_aIndentMap;
+    // map from text column to text align column
+    std::map<int, int> m_aAlignMap;
+    // currently expanding parent that logically, but not currently physically,
+    // contain placeholders
+    o3tl::sorted_vector<GtkTreePath*, CompareGtkTreePath> m_aExpandingPlaceHolderParents;
+    // which rows are separators (rare)
+    std::vector<std::unique_ptr<GtkTreeRowReference, GtkTreeRowReferenceDeleter>> m_aSeparatorRows;
+    std::vector<GtkSortType> m_aSavedSortTypes;
+    std::vector<int> m_aSavedSortColumns;
+    bool m_bWorkAroundBadDragRegion;
+    bool m_bInDrag;
+    bool m_bChangedByMouse;
+    gint m_nTextCol;
+    gint m_nTextView;
+    gint m_nImageCol;
+    gint m_nExpanderToggleCol;
+    gint m_nExpanderImageCol;
+    gint m_nIdCol;
+    int m_nPendingVAdjustment;
+    gulong m_nChangedSignalId;
+    gulong m_nRowActivatedSignalId;
+    gulong m_nTestExpandRowSignalId;
+    gulong m_nTestCollapseRowSignalId;
+    gulong m_nVAdjustmentChangedSignalId;
+    gulong m_nRowDeletedSignalId;
+    gulong m_nRowInsertedSignalId;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nPopupMenuSignalId;
+    gulong m_nKeyPressSignalId;
+    gulong m_nCrossingSignalid;
+#endif
+    gulong m_nQueryTooltipSignalId;
+    GtkAdjustment* m_pVAdjustment;
+    ImplSVEvent* m_pChangeEvent;
+
+    DECL_LINK(async_signal_changed, void*, void);
+
+    void launch_signal_changed()
+    {
+        //tdf#117991 selection change is sent before the focus change, and focus change
+        //is what will cause a spinbutton that currently has the focus to set its contents
+        //as the spin button value. So any LibreOffice callbacks on
+        //signal-change would happen before the spinbutton value-change occurs.
+        //To avoid this, send the signal-change to LibreOffice to occur after focus-change
+        //has been processed
+        if (m_pChangeEvent)
+            Application::RemoveUserEvent(m_pChangeEvent);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GdkEvent *pEvent = gtk_get_current_event();
+        m_bChangedByMouse = pEvent && categorizeEvent(pEvent) == VclInputFlags::MOUSE;
+#else
+        //TODO maybe iterate over gtk_widget_observe_controllers looking for a motion controller
+#endif
+
+        m_pChangeEvent = Application::PostUserEvent(LINK(this, GtkInstanceTreeView, async_signal_changed));
+    }
+
+    static void signalChanged(GtkTreeView*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->launch_signal_changed();
+    }
+
+    void handle_row_activated()
+    {
+        if (signal_row_activated())
+            return;
+        GtkInstanceTreeIter aIter(nullptr);
+        if (!get_cursor(&aIter))
+            return;
+        if (gtk_tree_model_iter_has_child(m_pTreeModel, &aIter.iter))
+            get_row_expanded(aIter) ? collapse_row(aIter) : expand_row(aIter);
+    }
+
+    static void signalRowActivated(GtkTreeView*, GtkTreePath*, GtkTreeViewColumn*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->handle_row_activated();
+    }
+
+    virtual bool signal_popup_menu(const CommandEvent& rCEvt) override
+    {
+        return m_aPopupMenuHdl.Call(rCEvt);
+    }
+
+    void insert_row(GtkTreeIter& iter, const GtkTreeIter* parent, int pos, const OUString* pId, const OUString* pText,
+                    const OUString* pIconName, const VirtualDevice* pDevice)
+    {
+        m_InsertWithValues(m_pTreeModel, &iter, const_cast<GtkTreeIter*>(parent), pos,
+                           m_nTextCol, !pText ? nullptr : OUStringToOString(*pText, RTL_TEXTENCODING_UTF8).getStr(),
+                           m_nIdCol, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr());
+
+        if (pIconName)
+        {
+            GdkPixbuf* pixbuf = getPixbuf(*pIconName);
+            m_Setter(m_pTreeModel, &iter, m_nImageCol, pixbuf, -1);
+            if (pixbuf)
+                g_object_unref(pixbuf);
+        }
+        else if (pDevice)
+        {
+            cairo_surface_t* surface = get_underlying_cairo_surface(*pDevice);
+
+            Size aSize(pDevice->GetOutputSizePixel());
+            cairo_surface_t* target = cairo_surface_create_similar(surface,
+                                                                    cairo_surface_get_content(surface),
+                                                                    aSize.Width(),
+                                                                    aSize.Height());
+
+            cairo_t* cr = cairo_create(target);
+            cairo_set_source_surface(cr, surface, 0, 0);
+            cairo_paint(cr);
+            cairo_destroy(cr);
+
+            m_Setter(m_pTreeModel, &iter, m_nImageCol, target, -1);
+            cairo_surface_destroy(target);
+        }
+    }
+
+    bool separator_function(const GtkTreePath* path)
+    {
+        return ::separator_function(path, m_aSeparatorRows);
+    }
+
+    static gboolean separatorFunction(GtkTreeModel* pTreeModel, GtkTreeIter* pIter, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        GtkTreePath* path = gtk_tree_model_get_path(pTreeModel, pIter);
+        bool bRet = pThis->separator_function(path);
+        gtk_tree_path_free(path);
+        return bRet;
+    }
+
+    OUString get(const GtkTreeIter& iter, int col) const
+    {
+        gchar* pStr;
+        gtk_tree_model_get(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, &pStr, -1);
+        OUString sRet(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+        g_free(pStr);
+        return sRet;
+    }
+
+    OUString get(int pos, int col) const
+    {
+        OUString sRet;
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            sRet = get(iter, col);
+        return sRet;
+    }
+
+    gint get_int(const GtkTreeIter& iter, int col) const
+    {
+        gint nRet(-1);
+        gtk_tree_model_get(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, &nRet, -1);
+        return nRet;
+    }
+
+    gint get_int(int pos, int col) const
+    {
+        gint nRet(-1);
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            nRet = get_int(iter, col);
+        gtk_tree_model_get(m_pTreeModel, &iter, col, &nRet, -1);
+        return nRet;
+    }
+
+    bool get_bool(const GtkTreeIter& iter, int col) const
+    {
+        gboolean bRet(false);
+        gtk_tree_model_get(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, &bRet, -1);
+        return bRet;
+    }
+
+    bool get_bool(int pos, int col) const
+    {
+        bool bRet(false);
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            bRet = get_bool(iter, col);
+        return bRet;
+    }
+
+    void set_toggle(const GtkTreeIter& iter, TriState eState, int col)
+    {
+        if (col == -1)
+            col = m_nExpanderToggleCol;
+        else
+            col = to_internal_model(col);
+
+        if (eState == TRISTATE_INDET)
+        {
+            m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter),
+                     m_aToggleVisMap[col], promote_arg(true), // checkbuttons are invisible until toggled on or off
+                     m_aToggleTriStateMap[col], promote_arg(true), // tristate on
+                     -1);
+        }
+        else
+        {
+            m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter),
+                     m_aToggleVisMap[col], promote_arg(true), // checkbuttons are invisible until toggled on or off
+                     m_aToggleTriStateMap[col], promote_arg(false), // tristate off
+                     col, promote_arg(eState == TRISTATE_TRUE), // set toggle state
+                     -1);
+        }
+    }
+
+    void set(const GtkTreeIter& iter, int col, std::u16string_view rText)
+    {
+        OString aStr(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+        m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, aStr.getStr(), -1);
+    }
+
+    void set(int pos, int col, std::u16string_view rText)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            set(iter, col, rText);
+    }
+
+    void set(const GtkTreeIter& iter, int col, bool bOn)
+    {
+        m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, promote_arg(bOn), -1);
+    }
+
+    void set(int pos, int col, bool bOn)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            set(iter, col, bOn);
+    }
+
+    void set(const GtkTreeIter& iter, int col, gint bInt)
+    {
+        m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, bInt, -1);
+    }
+
+    void set(int pos, int col, gint bInt)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            set(iter, col, bInt);
+    }
+
+    void set(const GtkTreeIter& iter, int col, double fValue)
+    {
+        m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, fValue, -1);
+    }
+
+    void set(int pos, int col, double fValue)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            set(iter, col, fValue);
+    }
+
+    static gboolean signalTestExpandRow(GtkTreeView*, GtkTreeIter* iter, GtkTreePath*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        return !pThis->signal_test_expand_row(*iter);
+    }
+
+    static gboolean signalTestCollapseRow(GtkTreeView*, GtkTreeIter* iter, GtkTreePath*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        return !pThis->signal_test_collapse_row(*iter);
+    }
+
+    bool child_is_placeholder(GtkInstanceTreeIter& rGtkIter) const
+    {
+        GtkTreePath* pPath = gtk_tree_model_get_path(m_pTreeModel, &rGtkIter.iter);
+        bool bExpanding = m_aExpandingPlaceHolderParents.count(pPath);
+        gtk_tree_path_free(pPath);
+        if (bExpanding)
+            return true;
+
+        bool bPlaceHolder = false;
+        GtkTreeIter tmp;
+        if (gtk_tree_model_iter_children(m_pTreeModel, &tmp, &rGtkIter.iter))
+        {
+            rGtkIter.iter = tmp;
+            if (get_text(rGtkIter, -1) == "<dummy>")
+            {
+                bPlaceHolder = true;
+            }
+        }
+        return bPlaceHolder;
+    }
+
+    bool signal_test_expand_row(GtkTreeIter& iter)
+    {
+        disable_notify_events();
+
+        // if there's a preexisting placeholder child, required to make this
+        // potentially expandable in the first place, now we remove it
+        GtkInstanceTreeIter aIter(iter);
+        GtkTreePath* pPlaceHolderPath = nullptr;
+        bool bPlaceHolder = child_is_placeholder(aIter);
+        if (bPlaceHolder)
+        {
+            m_Remove(m_pTreeModel, &aIter.iter);
+
+            pPlaceHolderPath = gtk_tree_model_get_path(m_pTreeModel, &iter);
+            m_aExpandingPlaceHolderParents.insert(pPlaceHolderPath);
+        }
+
+        aIter.iter = iter;
+        bool bRet = signal_expanding(aIter);
+
+        if (bPlaceHolder)
+        {
+            //expand disallowed, restore placeholder
+            if (!bRet)
+            {
+                GtkTreeIter subiter;
+                OUString sDummy("<dummy>");
+                insert_row(subiter, &iter, -1, nullptr, &sDummy, nullptr, nullptr);
+            }
+            m_aExpandingPlaceHolderParents.erase(pPlaceHolderPath);
+            gtk_tree_path_free(pPlaceHolderPath);
+        }
+
+        enable_notify_events();
+        return bRet;
+    }
+
+    bool signal_test_collapse_row(const GtkTreeIter& iter)
+    {
+        disable_notify_events();
+
+        GtkInstanceTreeIter aIter(iter);
+        bool bRet = signal_collapsing(aIter);
+
+        enable_notify_events();
+        return bRet;
+    }
+
+    static void signalCellToggled(GtkCellRendererToggle* pCell, const gchar *path, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        void* pData = g_object_get_data(G_OBJECT(pCell), "g-lo-CellIndex");
+        pThis->signal_cell_toggled(path, reinterpret_cast<sal_IntPtr>(pData));
+    }
+
+    void signal_cell_toggled(const gchar *path, int nCol)
+    {
+        GtkTreePath *tree_path = gtk_tree_path_new_from_string(path);
+
+        // additionally set the cursor into the row the toggled element is in
+        gtk_tree_view_set_cursor(m_pTreeView, tree_path, nullptr, false);
+
+        GtkTreeIter iter;
+        gtk_tree_model_get_iter(m_pTreeModel, &iter, tree_path);
+
+        gboolean bRet(false);
+        gtk_tree_model_get(m_pTreeModel, &iter, nCol, &bRet, -1);
+        bRet = !bRet;
+        m_Setter(m_pTreeModel, &iter, nCol, bRet, -1);
+
+        set(iter, m_aToggleTriStateMap[nCol], false);
+
+        signal_toggled(iter_col(GtkInstanceTreeIter(iter), to_external_model(nCol)));
+
+        gtk_tree_path_free(tree_path);
+    }
+
+    DECL_LINK(async_stop_cell_editing, void*, void);
+
+    static void signalCellEditingStarted(GtkCellRenderer*, GtkCellEditable*, const gchar *path, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        if (!pThis->signal_cell_editing_started(path))
+            Application::PostUserEvent(LINK(pThis, GtkInstanceTreeView, async_stop_cell_editing));
+    }
+
+    bool signal_cell_editing_started(const gchar *path)
+    {
+        GtkTreePath *tree_path = gtk_tree_path_new_from_string(path);
+
+        GtkInstanceTreeIter aGtkIter(nullptr);
+        gtk_tree_model_get_iter(m_pTreeModel, &aGtkIter.iter, tree_path);
+        gtk_tree_path_free(tree_path);
+
+        return signal_editing_started(aGtkIter);
+    }
+
+    static void signalCellEdited(GtkCellRendererText* pCell, const gchar *path, const gchar *pNewText, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->signal_cell_edited(pCell, path, pNewText);
+    }
+
+    static void restoreNonEditable(GObject* pCell)
+    {
+        if (g_object_get_data(pCell, "g-lo-RestoreNonEditable"))
+        {
+            g_object_set(pCell, "editable", false, "editable-set", false, nullptr);
+            g_object_set_data(pCell, "g-lo-RestoreNonEditable", reinterpret_cast<gpointer>(false));
+        }
+    }
+
+    void signal_cell_edited(GtkCellRendererText* pCell, const gchar *path, const gchar* pNewText)
+    {
+        GtkTreePath *tree_path = gtk_tree_path_new_from_string(path);
+
+        GtkInstanceTreeIter aGtkIter(nullptr);
+        gtk_tree_model_get_iter(m_pTreeModel, &aGtkIter.iter, tree_path);
+        gtk_tree_path_free(tree_path);
+
+        OUString sText(pNewText, pNewText ? strlen(pNewText) : 0, RTL_TEXTENCODING_UTF8);
+        if (signal_editing_done(iter_string(aGtkIter, sText)))
+        {
+            void* pData = g_object_get_data(G_OBJECT(pCell), "g-lo-CellIndex");
+            set(aGtkIter.iter, reinterpret_cast<sal_IntPtr>(pData), sText);
+        }
+
+        restoreNonEditable(G_OBJECT(pCell));
+    }
+
+    static void signalCellEditingCanceled(GtkCellRenderer* pCell, gpointer /*widget*/)
+    {
+        restoreNonEditable(G_OBJECT(pCell));
+    }
+
+    void signal_column_clicked(GtkTreeViewColumn* pClickedColumn)
+    {
+        int nIndex(0);
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            if (pColumn == pClickedColumn)
+            {
+                TreeView::signal_column_clicked(nIndex);
+                break;
+            }
+            ++nIndex;
+        }
+    }
+
+    static void signalColumnClicked(GtkTreeViewColumn* pColumn, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->signal_column_clicked(pColumn);
+    }
+
+    static void signalVAdjustmentChanged(GtkAdjustment*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->signal_visible_range_changed();
+    }
+
+    // The outside concept of a column maps to a gtk CellRenderer, rather than
+    // a TreeViewColumn. If the first TreeViewColumn has a leading Toggle Renderer
+    // and/or a leading Image Renderer, those are considered special expander
+    // columns and precede index 0 and can be accessed via outside index -1
+    int to_external_model(int modelcol) const
+    {
+        if (m_nExpanderToggleCol != -1)
+            --modelcol;
+        if (m_nExpanderImageCol != -1)
+            --modelcol;
+        return modelcol;
+    }
+
+    int to_internal_model(int modelcol) const
+    {
+        if (m_nExpanderToggleCol != -1)
+            ++modelcol;
+        if (m_nExpanderImageCol != -1)
+            ++modelcol;
+        return modelcol;
+    }
+
+    void set_column_editable(int nCol, bool bEditable)
+    {
+        nCol = to_internal_model(nCol);
+
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                void* pData = g_object_get_data(G_OBJECT(pCellRenderer), "g-lo-CellIndex");
+                if (reinterpret_cast<sal_IntPtr>(pData) == nCol)
+                {
+                    g_object_set(G_OBJECT(pCellRenderer), "editable", bEditable, "editable-set", true, nullptr);
+                    break;
+                }
+            }
+            g_list_free(pRenderers);
+        }
+    }
+
+    static void signalRowDeleted(GtkTreeModel*, GtkTreePath*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->signal_model_changed();
+    }
+
+    static void signalRowInserted(GtkTreeModel*, GtkTreePath*, GtkTreeIter*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        pThis->signal_model_changed();
+    }
+
+    static gint sortFunc(GtkTreeModel* pModel, GtkTreeIter* a, GtkTreeIter* b, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        return pThis->sort_func(pModel, a, b);
+    }
+
+    gint sort_func(GtkTreeModel* pModel, GtkTreeIter* a, GtkTreeIter* b)
+    {
+        if (m_aCustomSort)
+            return m_aCustomSort(GtkInstanceTreeIter(*a), GtkInstanceTreeIter(*b));
+        return default_sort_func(pModel, a, b, m_xSorter.get());
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool signal_key_press(GdkEventKey* pEvent)
+    {
+        if (pEvent->keyval != GDK_KEY_Left && pEvent->keyval != GDK_KEY_Right)
+            return false;
+
+        GtkInstanceTreeIter aIter(nullptr);
+        if (!get_cursor(&aIter))
+            return false;
+
+        bool bHasChild = gtk_tree_model_iter_has_child(m_pTreeModel, &aIter.iter);
+
+        if (pEvent->keyval == GDK_KEY_Right)
+        {
+            if (bHasChild && !get_row_expanded(aIter))
+            {
+                expand_row(aIter);
+                return true;
+            }
+            return false;
+        }
+
+        if (bHasChild && get_row_expanded(aIter))
+        {
+            collapse_row(aIter);
+            return true;
+        }
+
+        if (iter_parent(aIter))
+        {
+            unselect_all();
+            set_cursor(aIter);
+            select(aIter);
+            return true;
+        }
+
+        return false;
+    }
+
+    static gboolean signalKeyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        return pThis->signal_key_press(pEvent);
+    }
+#endif
+
+    static gboolean signalQueryTooltip(GtkWidget* /*pGtkWidget*/, gint x, gint y,
+                                         gboolean keyboard_tip, GtkTooltip *tooltip,
+                                         gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        GtkTreeIter iter;
+        GtkTreeView *pTreeView = pThis->m_pTreeView;
+        GtkTreeModel *pModel = gtk_tree_view_get_model(pTreeView);
+        GtkTreePath *pPath = nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (!gtk_tree_view_get_tooltip_context(pTreeView, x, y, keyboard_tip, &pModel, &pPath, &iter))
+            return false;
+#else
+        if (!gtk_tree_view_get_tooltip_context(pTreeView, &x, &y, keyboard_tip, &pModel, &pPath, &iter))
+            return false;
+#endif
+        OUString aTooltip = pThis->signal_query_tooltip(GtkInstanceTreeIter(iter));
+        if (!aTooltip.isEmpty())
+        {
+            gtk_tooltip_set_text(tooltip, OUStringToOString(aTooltip, RTL_TEXTENCODING_UTF8).getStr());
+            gtk_tree_view_set_tooltip_row(pTreeView, tooltip, pPath);
+        }
+        gtk_tree_path_free(pPath);
+        return !aTooltip.isEmpty();
+    }
+
+    void last_child(GtkTreeModel* pModel, GtkTreeIter* result, GtkTreeIter* pParent, int nChildren) const
+    {
+        gtk_tree_model_iter_nth_child(pModel, result, pParent, nChildren - 1);
+        nChildren = gtk_tree_model_iter_n_children(pModel, result);
+        if (nChildren)
+        {
+            GtkTreeIter newparent(*result);
+            last_child(pModel, result, &newparent, nChildren);
+        }
+    }
+
+    GtkTreePath* get_path_of_last_entry(GtkTreeModel *pModel)
+    {
+        GtkTreePath *lastpath;
+        // find the last entry in the model for comparison
+        int nChildren = gtk_tree_model_iter_n_children(pModel, nullptr);
+        if (!nChildren)
+            lastpath = gtk_tree_path_new_from_indices(0, -1);
+        else
+        {
+            GtkTreeIter iter;
+            last_child(pModel, &iter, nullptr, nChildren);
+            lastpath = gtk_tree_model_get_path(pModel, &iter);
+        }
+        return lastpath;
+    }
+
+    void set_font_color(const GtkTreeIter& iter, const Color& rColor)
+    {
+        if (rColor == COL_AUTO)
+            m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), m_nIdCol + 1, nullptr, -1);
+        else
+        {
+            GdkRGBA aColor{rColor.GetRed()/255.0f, rColor.GetGreen()/255.0f, rColor.GetBlue()/255.0f, 0};
+            m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), m_nIdCol + 1, &aColor, -1);
+        }
+    }
+
+    int get_expander_size() const
+    {
+        // gtk4: _TREE_VIEW_EXPANDER_SIZE define in gtk/gtktreeview.c
+        gint nExpanderSize = 16;
+        // gtk4: _TREE_VIEW_HORIZONTAL_SEPARATOR define in gtk/gtktreeview.c
+        gint nHorizontalSeparator = 4;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_style_get(GTK_WIDGET(m_pTreeView),
+                             "expander-size", &nExpanderSize,
+                             "horizontal-separator", &nHorizontalSeparator,
+                             nullptr);
+#endif
+
+        return nExpanderSize + (nHorizontalSeparator/ 2);
+    }
+
+    void real_vadjustment_set_value(int value)
+    {
+        disable_notify_events();
+        gtk_adjustment_set_value(m_pVAdjustment, value);
+        enable_notify_events();
+    }
+
+    static gboolean setAdjustmentCallback(GtkWidget*, GdkFrameClock*, gpointer widget)
+    {
+        GtkInstanceTreeView* pThis = static_cast<GtkInstanceTreeView*>(widget);
+        if (pThis->m_nPendingVAdjustment != -1)
+        {
+            pThis->real_vadjustment_set_value(pThis->m_nPendingVAdjustment);
+            pThis->m_nPendingVAdjustment = -1;
+        }
+        return false;
+    }
+
+    bool iter_next(weld::TreeIter& rIter, bool bOnlyExpanded) const
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        GtkTreeIter tmp;
+        GtkTreeIter iter = rGtkIter.iter;
+
+        bool ret = gtk_tree_model_iter_children(m_pTreeModel, &tmp, &iter);
+        if (ret && bOnlyExpanded && !get_row_expanded(rGtkIter))
+            ret = false;
+        rGtkIter.iter = tmp;
+        if (ret)
+        {
+            //on-demand dummy entry doesn't count
+            if (get_text(rGtkIter, -1) == "<dummy>")
+                return iter_next(rGtkIter, bOnlyExpanded);
+            return true;
+        }
+
+        tmp = iter;
+        if (gtk_tree_model_iter_next(m_pTreeModel, &tmp))
+        {
+            rGtkIter.iter = tmp;
+            //on-demand dummy entry doesn't count
+            if (get_text(rGtkIter, -1) == "<dummy>")
+                return iter_next(rGtkIter, bOnlyExpanded);
+            return true;
+        }
+        // Move up level(s) until we find the level where the next node exists.
+        while (gtk_tree_model_iter_parent(m_pTreeModel, &tmp, &iter))
+        {
+            iter = tmp;
+            if (gtk_tree_model_iter_next(m_pTreeModel, &tmp))
+            {
+                rGtkIter.iter = tmp;
+                //on-demand dummy entry doesn't count
+                if (get_text(rGtkIter, -1) == "<dummy>")
+                    return iter_next(rGtkIter, bOnlyExpanded);
+                return true;
+            }
+        }
+        return false;
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    // tdf#154565 ignore the crossing event if it was triggered ultimately by a
+    // key stroke which is likely from exiting the search box. This way we can
+    // avoid the problem that with hover-selection that after return is used in
+    // the search box, selecting a matching row, that during teardown of the
+    // widget the box is hidden, and the crossing notification triggers
+    // selection of a different row under the mouse. If needs be this could be
+    // refined further to only happen for a specific key or other details of
+    // the triggering event
+    static gboolean signalCrossing(GtkWidget*, GdkEventCrossing*, gpointer)
+    {
+        if (GdkEvent *pEvent = gtk_get_current_event())
+        {
+            const bool bCrossingTriggeredByKeyStroke = gdk_event_get_event_type(pEvent) == GDK_KEY_PRESS;
+            gdk_event_free(pEvent);
+            return bCrossingTriggeredByKeyStroke;
+        }
+
+        return false;
+    }
+#endif
+
+public:
+    GtkInstanceTreeView(GtkTreeView* pTreeView, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pTreeView), pBuilder, bTakeOwnership)
+        , m_pTreeView(pTreeView)
+        , m_pTreeModel(gtk_tree_view_get_model(m_pTreeView))
+        , m_bWorkAroundBadDragRegion(false)
+        , m_bInDrag(false)
+        , m_bChangedByMouse(false)
+        , m_nTextCol(-1)
+        , m_nTextView(-1)
+        , m_nImageCol(-1)
+        , m_nExpanderToggleCol(-1)
+        , m_nExpanderImageCol(-1)
+        , m_nPendingVAdjustment(-1)
+        , m_nChangedSignalId(g_signal_connect(gtk_tree_view_get_selection(pTreeView), "changed",
+                             G_CALLBACK(signalChanged), this))
+        , m_nRowActivatedSignalId(g_signal_connect(pTreeView, "row-activated", G_CALLBACK(signalRowActivated), this))
+        , m_nTestExpandRowSignalId(g_signal_connect(pTreeView, "test-expand-row", G_CALLBACK(signalTestExpandRow), this))
+        , m_nTestCollapseRowSignalId(g_signal_connect(pTreeView, "test-collapse-row", G_CALLBACK(signalTestCollapseRow), this))
+        , m_nVAdjustmentChangedSignalId(0)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nPopupMenuSignalId(g_signal_connect(pTreeView, "popup-menu", G_CALLBACK(signalPopupMenu), this))
+        , m_nKeyPressSignalId(g_signal_connect(pTreeView, "key-press-event", G_CALLBACK(signalKeyPress), this))
+        , m_nCrossingSignalid(g_signal_connect(pTreeView, "enter-notify-event", G_CALLBACK(signalCrossing), this))
+#endif
+        , m_nQueryTooltipSignalId(0)
+        , m_pVAdjustment(gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(pTreeView)))
+        , m_pChangeEvent(nullptr)
+    {
+        if (GTK_IS_TREE_STORE(m_pTreeModel))
+        {
+            m_Setter = tree_store_set;
+            m_InsertWithValues = tree_store_insert_with_values;
+            m_Insert = tree_store_insert;
+            m_Prepend = tree_store_prepend;
+            m_Remove = tree_store_remove;
+            m_Swap = tree_store_swap;
+            m_SetValue = tree_store_set_value;
+            m_Clear = tree_store_clear;
+        }
+        else
+        {
+            /*
+               tdf#136559 see: https://gitlab.gnome.org/GNOME/gtk/-/issues/2693
+               If we only need a list and not a tree we can get a performance boost from using a ListStore
+             */
+            assert(!gtk_tree_view_get_show_expanders(m_pTreeView) && "a liststore can only be used if no tree structure is needed");
+            m_Setter = list_store_set;
+            m_InsertWithValues = list_store_insert_with_values;
+            m_Insert = list_store_insert;
+            m_Prepend = list_store_prepend;
+            m_Remove = list_store_remove;
+            m_Swap = list_store_swap;
+            m_SetValue = list_store_set_value;
+            m_Clear = list_store_clear;
+        }
+
+        /* The outside concept of a column maps to a gtk CellRenderer, rather than
+           a TreeViewColumn. If the first TreeViewColumn has a leading Toggle Renderer
+           and/or a leading Image Renderer, those are considered special expander
+           columns and precede index 0 and can be accessed via outside index -1
+        */
+        m_pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        int nIndex(0);
+        int nViewColumn(0);
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            m_aColumnSignalIds.push_back(g_signal_connect(pColumn, "clicked", G_CALLBACK(signalColumnClicked), this));
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                if (GTK_IS_CELL_RENDERER_TEXT(pCellRenderer))
+                {
+                    if (m_nTextCol == -1)
+                    {
+                        m_nTextCol = nIndex;
+                        m_nTextView = nViewColumn;
+                    }
+                    m_aWeightMap[nIndex] = -1;
+                    m_aSensitiveMap[nIndex] = -1;
+                    m_aIndentMap[nIndex] = -1;
+                    m_aAlignMap[nIndex] = -1;
+                    g_signal_connect(G_OBJECT(pCellRenderer), "editing-started", G_CALLBACK(signalCellEditingStarted), this);
+                    g_signal_connect(G_OBJECT(pCellRenderer), "editing-canceled", G_CALLBACK(signalCellEditingCanceled), this);
+                    g_signal_connect(G_OBJECT(pCellRenderer), "edited", G_CALLBACK(signalCellEdited), this);
+                }
+                else if (GTK_IS_CELL_RENDERER_TOGGLE(pCellRenderer))
+                {
+                    const bool bExpander = nIndex == 0 || (nIndex == 1 && m_nExpanderImageCol == 0);
+                    if (bExpander)
+                        m_nExpanderToggleCol = nIndex;
+                    g_signal_connect(G_OBJECT(pCellRenderer), "toggled", G_CALLBACK(signalCellToggled), this);
+                    m_aToggleVisMap[nIndex] = -1;
+                    m_aToggleTriStateMap[nIndex] = -1;
+                }
+                else if (GTK_IS_CELL_RENDERER_PIXBUF(pCellRenderer))
+                {
+                    const bool bExpander = g_list_next(pRenderer) != nullptr;
+                    if (bExpander && m_nExpanderImageCol == -1)
+                        m_nExpanderImageCol = nIndex;
+                    else if (m_nImageCol == -1)
+                        m_nImageCol = nIndex;
+                }
+                g_object_set_data(G_OBJECT(pCellRenderer), "g-lo-CellIndex", reinterpret_cast<gpointer>(nIndex));
+                ++nIndex;
+            }
+            g_list_free(pRenderers);
+            ++nViewColumn;
+        }
+
+        m_nIdCol = nIndex++;
+
+        for (auto& a : m_aToggleVisMap)
+            a.second = nIndex++;
+        for (auto& a : m_aToggleTriStateMap)
+            a.second = nIndex++;
+        for (auto& a : m_aWeightMap)
+            a.second = nIndex++;
+        for (auto& a : m_aSensitiveMap)
+            a.second = nIndex++;
+        for (auto& a : m_aIndentMap)
+            a.second = nIndex++;
+        for (auto& a : m_aAlignMap)
+            a.second = nIndex++;
+
+        ensure_drag_begin_end();
+
+        m_nRowDeletedSignalId = g_signal_connect(m_pTreeModel, "row-deleted", G_CALLBACK(signalRowDeleted), this);
+        m_nRowInsertedSignalId = g_signal_connect(m_pTreeModel, "row-inserted", G_CALLBACK(signalRowInserted), this);
+    }
+
+    virtual void connect_query_tooltip(const Link<const weld::TreeIter&, OUString>& rLink) override
+    {
+        weld::TreeView::connect_query_tooltip(rLink);
+        m_nQueryTooltipSignalId = g_signal_connect(m_pTreeView, "query-tooltip", G_CALLBACK(signalQueryTooltip), this);
+    }
+
+    virtual void columns_autosize() override
+    {
+        gtk_tree_view_columns_autosize(m_pTreeView);
+    }
+
+    virtual void set_column_fixed_widths(const std::vector<int>& rWidths) override
+    {
+        GList* pEntry = g_list_first(m_pColumns);
+        for (auto nWidth : rWidths)
+        {
+            assert(pEntry && "wrong count");
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            gtk_tree_view_column_set_fixed_width(pColumn, nWidth);
+            pEntry = g_list_next(pEntry);
+        }
+    }
+
+    virtual void set_column_editables(const std::vector<bool>& rEditables) override
+    {
+        size_t nTabCount = rEditables.size();
+        for (size_t i = 0 ; i < nTabCount; ++i)
+            set_column_editable(i, rEditables[i]);
+    }
+
+    virtual void set_centered_column(int nCol) override
+    {
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                void* pData = g_object_get_data(G_OBJECT(pCellRenderer), "g-lo-CellIndex");
+                if (reinterpret_cast<sal_IntPtr>(pData) == nCol)
+                {
+                    g_object_set(G_OBJECT(pCellRenderer), "xalign", 0.5, nullptr);
+                    break;
+                }
+            }
+            g_list_free(pRenderers);
+        }
+    }
+
+    virtual int get_column_width(int nColumn) const override
+    {
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, nColumn));
+        assert(pColumn && "wrong count");
+        int nWidth = gtk_tree_view_column_get_width(pColumn);
+        // https://github.com/exaile/exaile/issues/580
+        // after setting fixed_width on a column and requesting width before
+        // gtk has a chance to do its layout of the column means that the width
+        // request hasn't come into effect
+        if (!nWidth)
+            nWidth = gtk_tree_view_column_get_fixed_width(pColumn);
+        return nWidth;
+    }
+
+    virtual OUString get_column_title(int nColumn) const override
+    {
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, nColumn));
+        assert(pColumn && "wrong count");
+        const gchar* pTitle = gtk_tree_view_column_get_title(pColumn);
+        OUString sRet(pTitle, pTitle ? strlen(pTitle) : 0, RTL_TEXTENCODING_UTF8);
+        return sRet;
+    }
+
+    virtual void set_column_title(int nColumn, const OUString& rTitle) override
+    {
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, nColumn));
+        assert(pColumn && "wrong count");
+        gtk_tree_view_column_set_title(pColumn, OUStringToOString(rTitle, RTL_TEXTENCODING_UTF8).getStr());
+    }
+
+    virtual void set_column_custom_renderer(int nColumn, bool bEnable) override
+    {
+        assert(n_children() == 0 && "tree must be empty");
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, nColumn));
+        assert(pColumn && "wrong count");
+
+        GtkCellRenderer* pExpander = nullptr;
+        GtkCellRenderer* pToggle = nullptr;
+
+        // migrate existing editable setting to the new renderer
+        gboolean is_editable(false);
+        void* pEditCellData(nullptr);
+        GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+        for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+        {
+            GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+
+            void* pData = g_object_get_data(G_OBJECT(pCellRenderer), "g-lo-CellIndex");
+            auto nCellIndex = reinterpret_cast<sal_IntPtr>(pData);
+
+            if (GTK_IS_CELL_RENDERER_TEXT(pCellRenderer))
+            {
+                g_object_get(pCellRenderer, "editable", &is_editable, nullptr);
+                pEditCellData = pData;
+                break;
+            }
+            else if (GTK_IS_CELL_RENDERER_TOGGLE(pCellRenderer))
+            {
+                if (nCellIndex == m_nExpanderToggleCol)
+                {
+                    pToggle = pCellRenderer;
+                    g_object_ref(pToggle);
+                }
+            }
+            else if (GTK_IS_CELL_RENDERER_PIXBUF(pCellRenderer))
+            {
+                if (nCellIndex == m_nExpanderImageCol)
+                {
+                    pExpander = pCellRenderer;
+                    g_object_ref(pExpander);
+                }
+            }
+
+        }
+        g_list_free(pRenderers);
+
+        GtkCellRenderer* pRenderer;
+
+        gtk_cell_layout_clear(GTK_CELL_LAYOUT(pColumn));
+        if (pExpander)
+        {
+            gtk_tree_view_column_pack_start(pColumn, pExpander, false);
+            gtk_tree_view_column_add_attribute(pColumn, pExpander, "pixbuf", m_nExpanderImageCol);
+            g_object_unref(pExpander);
+        }
+        if (pToggle)
+        {
+            gtk_tree_view_column_pack_start(pColumn, pToggle, false);
+            gtk_tree_view_column_add_attribute(pColumn, pToggle, "active", m_nExpanderToggleCol);
+            gtk_tree_view_column_add_attribute(pColumn, pToggle, "active", m_nExpanderToggleCol);
+            gtk_tree_view_column_add_attribute(pColumn, pToggle, "visible", m_aToggleTriStateMap[m_nExpanderToggleCol]);
+            g_object_unref(pToggle);
+        }
+
+        if (bEnable)
+        {
+            pRenderer = custom_cell_renderer_new();
+            GValue value = G_VALUE_INIT;
+            g_value_init(&value, G_TYPE_POINTER);
+            g_value_set_pointer(&value, static_cast<gpointer>(this));
+            g_object_set_property(G_OBJECT(pRenderer), "instance", &value);
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "id", m_nIdCol);
+        }
+        else
+        {
+            pRenderer = gtk_cell_renderer_text_new();
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+        }
+
+        if (is_editable)
+        {
+            g_object_set(pRenderer, "editable", true, "editable-set", true, nullptr);
+            g_object_set_data(G_OBJECT(pRenderer), "g-lo-CellIndex", pEditCellData);
+            g_signal_connect(pRenderer, "editing-started", G_CALLBACK(signalCellEditingStarted), this);
+            g_signal_connect(pRenderer, "editing-canceled", G_CALLBACK(signalCellEditingCanceled), this);
+            g_signal_connect(pRenderer, "edited", G_CALLBACK(signalCellEdited), this);
+        }
+    }
+
+    virtual void queue_draw() override
+    {
+        gtk_widget_queue_draw(GTK_WIDGET(m_pTreeView));
+    }
+
+    virtual void insert(const weld::TreeIter* pParent, int pos, const OUString* pText, const OUString* pId, const OUString* pIconName,
+                        VirtualDevice* pImageSurface,
+                        bool bChildrenOnDemand, weld::TreeIter* pRet) override
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        const GtkInstanceTreeIter* pGtkIter = static_cast<const GtkInstanceTreeIter*>(pParent);
+        insert_row(iter, pGtkIter ? &pGtkIter->iter : nullptr, pos, pId, pText, pIconName, pImageSurface);
+        if (bChildrenOnDemand)
+        {
+            GtkTreeIter subiter;
+            OUString sDummy("<dummy>");
+            insert_row(subiter, &iter, -1, nullptr, &sDummy, nullptr, nullptr);
+        }
+        if (pRet)
+        {
+            GtkInstanceTreeIter* pGtkRetIter = static_cast<GtkInstanceTreeIter*>(pRet);
+            pGtkRetIter->iter = iter;
+        }
+        enable_notify_events();
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        if (!gtk_tree_view_get_row_separator_func(m_pTreeView))
+            gtk_tree_view_set_row_separator_func(m_pTreeView, separatorFunction, this, nullptr);
+        insert_row(iter, nullptr, pos, &rId, nullptr, nullptr, nullptr);
+        GtkTreePath* pPath = gtk_tree_model_get_path(m_pTreeModel, &iter);
+        m_aSeparatorRows.emplace_back(gtk_tree_row_reference_new(m_pTreeModel, pPath));
+        gtk_tree_path_free(pPath);
+        enable_notify_events();
+    }
+
+    virtual void set_font_color(int pos, const Color& rColor) override
+    {
+        GtkTreeIter iter;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos);
+        set_font_color(iter, rColor);
+    }
+
+    virtual void set_font_color(const weld::TreeIter& rIter, const Color& rColor) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set_font_color(rGtkIter.iter, rColor);
+    }
+
+    virtual void remove(int pos) override
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos);
+        m_Remove(m_pTreeModel, &iter);
+        enable_notify_events();
+    }
+
+    virtual int find_text(const OUString& rText) const override
+    {
+        Search aSearch(rText, m_nTextCol);
+        gtk_tree_model_foreach(m_pTreeModel, foreach_find, &aSearch);
+        return aSearch.index;
+    }
+
+    virtual int find_id(const OUString& rId) const override
+    {
+        Search aSearch(rId, m_nIdCol);
+        gtk_tree_model_foreach(m_pTreeModel, foreach_find, &aSearch);
+        return aSearch.index;
+    }
+
+    virtual void bulk_insert_for_each(int nSourceCount, const std::function<void(weld::TreeIter&, int nSourceIndex)>& func,
+                                      const weld::TreeIter* pParent,
+                                      const std::vector<int>* pFixedWidths) override
+    {
+        GtkInstanceTreeIter* pGtkIter = const_cast<GtkInstanceTreeIter*>(static_cast<const GtkInstanceTreeIter*>(pParent));
+
+        freeze();
+        if (!pGtkIter)
+            clear();
+        else
+        {
+            GtkTreeIter restore(pGtkIter->iter);
+
+            if (iter_children(*pGtkIter))
+                while (m_Remove(m_pTreeModel, &pGtkIter->iter));
+
+            pGtkIter->iter = restore;
+        }
+        GtkInstanceTreeIter aGtkIter(nullptr);
+
+        if (pFixedWidths)
+            set_column_fixed_widths(*pFixedWidths);
+
+        while (nSourceCount)
+        {
+            // tdf#125241 inserting backwards is massively faster
+            m_Prepend(m_pTreeModel, &aGtkIter.iter, pGtkIter ? &pGtkIter->iter : nullptr);
+            func(aGtkIter, --nSourceCount);
+        }
+
+        thaw();
+    }
+
+    virtual void swap(int pos1, int pos2) override
+    {
+        disable_notify_events();
+
+        GtkTreeIter iter1;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter1, nullptr, pos1);
+
+        GtkTreeIter iter2;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter2, nullptr, pos2);
+
+        m_Swap(m_pTreeModel, &iter1, &iter2);
+
+        enable_notify_events();
+    }
+
+    virtual void clear() override
+    {
+        disable_notify_events();
+        gtk_tree_view_set_row_separator_func(m_pTreeView, nullptr, nullptr, nullptr);
+        m_aSeparatorRows.clear();
+        m_Clear(m_pTreeModel);
+        enable_notify_events();
+    }
+
+    virtual void make_sorted() override
+    {
+        // thaw wants to restore sort state of freeze
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        m_xSorter.reset(new comphelper::string::NaturalStringSorter(
+                            ::comphelper::getProcessComponentContext(),
+                            Application::GetSettings().GetUILanguageTag().getLocale()));
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_set_sort_func(pSortable, m_nTextCol, sortFunc, this, nullptr);
+        gtk_tree_sortable_set_sort_column_id(pSortable, m_nTextCol, GTK_SORT_ASCENDING);
+    }
+
+    virtual void make_unsorted() override
+    {
+        m_xSorter.reset();
+        int nSortColumn;
+        GtkSortType eSortType;
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_get_sort_column_id(pSortable, &nSortColumn, &eSortType);
+        gtk_tree_sortable_set_sort_column_id(pSortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, eSortType);
+    }
+
+    virtual void set_sort_order(bool bAscending) override
+    {
+        GtkSortType eSortType = bAscending ? GTK_SORT_ASCENDING : GTK_SORT_DESCENDING;
+
+        gint sort_column_id(0);
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_get_sort_column_id(pSortable, &sort_column_id, nullptr);
+        gtk_tree_sortable_set_sort_column_id(pSortable, sort_column_id, eSortType);
+    }
+
+    virtual bool get_sort_order() const override
+    {
+        int nSortColumn;
+        GtkSortType eSortType;
+
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_get_sort_column_id(pSortable, &nSortColumn, &eSortType);
+        return nSortColumn != GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID && eSortType == GTK_SORT_ASCENDING;
+    }
+
+    virtual void set_sort_indicator(TriState eState, int col) override
+    {
+        assert(col >= 0 && "cannot sort on expander column");
+
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, col));
+        assert(pColumn && "wrong count");
+        if (eState == TRISTATE_INDET)
+            gtk_tree_view_column_set_sort_indicator(pColumn, false);
+        else
+        {
+            gtk_tree_view_column_set_sort_indicator(pColumn, true);
+            GtkSortType eSortType = eState == TRISTATE_TRUE ? GTK_SORT_ASCENDING : GTK_SORT_DESCENDING;
+            gtk_tree_view_column_set_sort_order(pColumn, eSortType);
+        }
+    }
+
+    virtual TriState get_sort_indicator(int col) const override
+    {
+        assert(col >= 0 && "cannot sort on expander column");
+
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, col));
+        if (!gtk_tree_view_column_get_sort_indicator(pColumn))
+            return TRISTATE_INDET;
+        return gtk_tree_view_column_get_sort_order(pColumn) == GTK_SORT_ASCENDING ? TRISTATE_TRUE : TRISTATE_FALSE;
+    }
+
+    virtual int get_sort_column() const override
+    {
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gint sort_column_id(0);
+        if (!gtk_tree_sortable_get_sort_column_id(pSortable, &sort_column_id, nullptr))
+            return -1;
+        return to_external_model(sort_column_id);
+    }
+
+    virtual void set_sort_column(int nColumn) override
+    {
+        if (nColumn == -1)
+        {
+            make_unsorted();
+            return;
+        }
+        GtkSortType eSortType;
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_get_sort_column_id(pSortable, nullptr, &eSortType);
+        int nSortCol = to_internal_model(nColumn);
+        gtk_tree_sortable_set_sort_func(pSortable, nSortCol, sortFunc, this, nullptr);
+        gtk_tree_sortable_set_sort_column_id(pSortable, nSortCol, eSortType);
+    }
+
+    virtual void set_sort_func(const std::function<int(const weld::TreeIter&, const weld::TreeIter&)>& func) override
+    {
+        weld::TreeView::set_sort_func(func);
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_sort_column_changed(pSortable);
+    }
+
+    virtual int n_children() const override
+    {
+        return gtk_tree_model_iter_n_children(m_pTreeModel, nullptr);
+    }
+
+    virtual int iter_n_children(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        return gtk_tree_model_iter_n_children(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+    }
+
+    virtual void select(int pos) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        if (pos == -1 || (pos == 0 && n_children() == 0))
+        {
+            gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(m_pTreeView));
+        }
+        else
+        {
+            GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+            gtk_tree_selection_select_path(gtk_tree_view_get_selection(m_pTreeView), path);
+            gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, false, 0, 0);
+            gtk_tree_path_free(path);
+        }
+        enable_notify_events();
+    }
+
+    virtual void set_cursor(int pos) override
+    {
+        disable_notify_events();
+        GtkTreePath* path;
+        if (pos != -1)
+        {
+            path = gtk_tree_path_new_from_indices(pos, -1);
+            gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, false, 0, 0);
+        }
+        else
+            path = gtk_tree_path_new_from_indices(G_MAXINT, -1);
+        gtk_tree_view_set_cursor(m_pTreeView, path, nullptr, false);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual void scroll_to_row(int pos) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+        gtk_tree_view_expand_to_path(m_pTreeView, path);
+        gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, true, 0, 0);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual bool is_selected(int pos) const override
+    {
+        GtkTreeIter iter;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos);
+        return gtk_tree_selection_iter_is_selected(gtk_tree_view_get_selection(m_pTreeView), &iter);
+    }
+
+    virtual void unselect(int pos) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        if (pos == -1 || (pos == 0 && n_children() == 0))
+        {
+            gtk_tree_selection_select_all(gtk_tree_view_get_selection(m_pTreeView));
+        }
+        else
+        {
+            GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+            gtk_tree_selection_unselect_path(gtk_tree_view_get_selection(m_pTreeView), path);
+            gtk_tree_path_free(path);
+        }
+        enable_notify_events();
+    }
+
+    virtual std::vector<int> get_selected_rows() const override
+    {
+        std::vector<int> aRows;
+
+        GList* pList = gtk_tree_selection_get_selected_rows(gtk_tree_view_get_selection(m_pTreeView), nullptr);
+        for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+        {
+            GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+
+            gint depth;
+            gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+            int nRow = indices[depth-1];
+
+            aRows.push_back(nRow);
+        }
+        g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+
+        return aRows;
+    }
+
+    virtual void all_foreach(const std::function<bool(weld::TreeIter&)>& func) override
+    {
+        g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+
+        GtkInstanceTreeIter aGtkIter(nullptr);
+        if (get_iter_first(aGtkIter))
+        {
+            do
+            {
+                if (func(aGtkIter))
+                    break;
+            } while (iter_next(aGtkIter));
+        }
+
+        g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+    }
+
+    virtual void selected_foreach(const std::function<bool(weld::TreeIter&)>& func) override
+    {
+        g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+
+        GtkInstanceTreeIter aGtkIter(nullptr);
+
+        GtkTreeModel* pModel;
+        GList* pList = gtk_tree_selection_get_selected_rows(gtk_tree_view_get_selection(m_pTreeView), &pModel);
+        for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+        {
+            GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+            gtk_tree_model_get_iter(pModel, &aGtkIter.iter, path);
+            if (func(aGtkIter))
+                break;
+        }
+        g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+
+        g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+    }
+
+    virtual void visible_foreach(const std::function<bool(weld::TreeIter&)>& func) override
+    {
+        g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+
+        GtkTreePath* start_path;
+        GtkTreePath* end_path;
+
+        if (!gtk_tree_view_get_visible_range(m_pTreeView, &start_path, &end_path))
+            return;
+
+        GtkInstanceTreeIter aGtkIter(nullptr);
+        gtk_tree_model_get_iter(m_pTreeModel, &aGtkIter.iter, start_path);
+
+        do
+        {
+            if (func(aGtkIter))
+                break;
+            GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, &aGtkIter.iter);
+            bool bContinue = gtk_tree_path_compare(path, end_path) != 0;
+            gtk_tree_path_free(path);
+            if (!bContinue)
+                break;
+            if (!iter_next(aGtkIter))
+                break;
+        } while(true);
+
+        gtk_tree_path_free(start_path);
+        gtk_tree_path_free(end_path);
+
+        g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+    }
+
+    virtual void connect_visible_range_changed(const Link<weld::TreeView&, void>& rLink) override
+    {
+        weld::TreeView::connect_visible_range_changed(rLink);
+        if (!m_nVAdjustmentChangedSignalId)
+        {
+            GtkAdjustment* pVAdjustment = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(m_pTreeView));
+            m_nVAdjustmentChangedSignalId = g_signal_connect(pVAdjustment, "value-changed", G_CALLBACK(signalVAdjustmentChanged), this);
+        }
+    }
+
+    virtual bool is_selected(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        return gtk_tree_selection_iter_is_selected(gtk_tree_view_get_selection(m_pTreeView), const_cast<GtkTreeIter*>(&rGtkIter.iter));
+    }
+
+    virtual OUString get_text(int pos, int col) const override
+    {
+        if (col == -1)
+            col = m_nTextCol;
+        else
+            col = to_internal_model(col);
+        return get(pos, col);
+    }
+
+    virtual void set_text(int pos, const OUString& rText, int col) override
+    {
+        if (col == -1)
+            col = m_nTextCol;
+        else
+            col = to_internal_model(col);
+        set(pos, col, rText);
+    }
+
+    virtual TriState get_toggle(int pos, int col) const override
+    {
+        if (col == -1)
+            col = m_nExpanderToggleCol;
+        else
+            col = to_internal_model(col);
+
+        const auto iter = m_aToggleTriStateMap.find(col);
+        assert(iter != m_aToggleTriStateMap.end());
+        if (get_bool(pos, iter->second))
+            return TRISTATE_INDET;
+        return get_bool(pos, col) ? TRISTATE_TRUE : TRISTATE_FALSE;
+    }
+
+    virtual TriState get_toggle(const weld::TreeIter& rIter, int col) const override
+    {
+        if (col == -1)
+            col = m_nExpanderToggleCol;
+        else
+            col = to_internal_model(col);
+
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        const auto iter = m_aToggleTriStateMap.find(col);
+        assert(iter != m_aToggleTriStateMap.end());
+        if (get_bool(rGtkIter.iter, iter->second))
+            return TRISTATE_INDET;
+        return get_bool(rGtkIter.iter, col) ? TRISTATE_TRUE : TRISTATE_FALSE;
+    }
+
+    virtual void set_toggle(const weld::TreeIter& rIter, TriState eState, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set_toggle(rGtkIter.iter, eState, col);
+    }
+
+    virtual void set_toggle(int pos, TriState eState, int col) override
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+            set_toggle(iter, eState, col);
+    }
+
+    virtual void enable_toggle_buttons(weld::ColumnToggleType eType) override
+    {
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                if (!GTK_IS_CELL_RENDERER_TOGGLE(pCellRenderer))
+                    continue;
+                GtkCellRendererToggle* pToggle = GTK_CELL_RENDERER_TOGGLE(pCellRenderer);
+                gtk_cell_renderer_toggle_set_radio(pToggle, eType == weld::ColumnToggleType::Radio);
+            }
+            g_list_free(pRenderers);
+        }
+    }
+
+    virtual void set_clicks_to_toggle(int /*nToggleBehavior*/) override
+    {
+    }
+
+    virtual void set_extra_row_indent(const weld::TreeIter& rIter, int nIndentLevel) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set(rGtkIter.iter, m_aIndentMap[m_nTextCol], nIndentLevel * get_expander_size());
+    }
+
+    virtual void set_text_emphasis(const weld::TreeIter& rIter, bool bOn, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        auto weight = bOn ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL;
+        if (col == -1)
+        {
+            for (const auto& elem : m_aWeightMap)
+                set(rGtkIter.iter, elem.second, weight);
+            return;
+        }
+        col = to_internal_model(col);
+        set(rGtkIter.iter, m_aWeightMap[col], weight);
+    }
+
+    virtual void set_text_emphasis(int pos, bool bOn, int col) override
+    {
+        auto weight = bOn ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL;
+        if (col == -1)
+        {
+            for (const auto& elem : m_aWeightMap)
+                set(pos, elem.second, weight);
+            return;
+        }
+        col = to_internal_model(col);
+        set(pos, m_aWeightMap[col], weight);
+    }
+
+    virtual bool get_text_emphasis(const weld::TreeIter& rIter, int col) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        col = to_internal_model(col);
+        const auto iter = m_aWeightMap.find(col);
+        assert(iter != m_aWeightMap.end());
+        return get_int(rGtkIter.iter, iter->second) == PANGO_WEIGHT_BOLD;
+    }
+
+    virtual bool get_text_emphasis(int pos, int col) const override
+    {
+        col = to_internal_model(col);
+        const auto iter = m_aWeightMap.find(col);
+        assert(iter != m_aWeightMap.end());
+        return get_int(pos, iter->second) == PANGO_WEIGHT_BOLD;
+    }
+
+    virtual void set_text_align(const weld::TreeIter& rIter, double fAlign, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        col = to_internal_model(col);
+        set(rGtkIter.iter, m_aAlignMap[col], fAlign);
+    }
+
+    virtual void set_text_align(int pos, double fAlign, int col) override
+    {
+        col = to_internal_model(col);
+        set(pos, m_aAlignMap[col], fAlign);
+    }
+
+    using GtkInstanceWidget::set_sensitive;
+    using GtkInstanceWidget::get_sensitive;
+
+    virtual void set_sensitive(int pos, bool bSensitive, int col) override
+    {
+        if (col == -1)
+        {
+            for (const auto& elem : m_aSensitiveMap)
+                set(pos, elem.second, bSensitive);
+        }
+        else
+        {
+            col = to_internal_model(col);
+            set(pos, m_aSensitiveMap[col], bSensitive);
+        }
+    }
+
+    virtual bool get_sensitive(int pos, int col) const override
+    {
+        col = to_internal_model(col);
+        const auto iter = m_aSensitiveMap.find(col);
+        assert(iter != m_aSensitiveMap.end());
+        return get_bool(pos, iter->second);
+    }
+
+    virtual void set_sensitive(const weld::TreeIter& rIter, bool bSensitive, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        if (col == -1)
+        {
+            for (const auto& elem : m_aSensitiveMap)
+                set(rGtkIter.iter, elem.second, bSensitive);
+        }
+        else
+        {
+            col = to_internal_model(col);
+            set(rGtkIter.iter, m_aSensitiveMap[col], bSensitive);
+        }
+    }
+
+    virtual bool get_sensitive(const weld::TreeIter& rIter, int col) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        col = to_internal_model(col);
+        const auto iter = m_aSensitiveMap.find(col);
+        assert(iter != m_aSensitiveMap.end());
+        return get_bool(rGtkIter.iter, iter->second);
+    }
+
+    void set_image(const GtkTreeIter& iter, int col, GdkPixbuf* pixbuf)
+    {
+        if (col == -1)
+            col = m_nExpanderImageCol;
+        else
+            col = to_internal_model(col);
+        m_Setter(m_pTreeModel, const_cast<GtkTreeIter*>(&iter), col, pixbuf, -1);
+        if (pixbuf)
+            g_object_unref(pixbuf);
+    }
+
+    void set_image(int pos, GdkPixbuf* pixbuf, int col)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+        {
+            set_image(iter, col, pixbuf);
+        }
+    }
+
+    virtual void set_image(int pos, const css::uno::Reference<css::graphic::XGraphic>& rImage, int col) override
+    {
+        set_image(pos, getPixbuf(rImage), col);
+    }
+
+    virtual void set_image(int pos, const OUString& rImage, int col) override
+    {
+        set_image(pos, getPixbuf(rImage), col);
+    }
+
+    virtual void set_image(int pos, VirtualDevice& rImage, int col) override
+    {
+        set_image(pos, getPixbuf(rImage), col);
+    }
+
+    virtual void set_image(const weld::TreeIter& rIter, const css::uno::Reference<css::graphic::XGraphic>& rImage, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set_image(rGtkIter.iter, col, getPixbuf(rImage));
+    }
+
+    virtual void set_image(const weld::TreeIter& rIter, const OUString& rImage, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set_image(rGtkIter.iter, col, getPixbuf(rImage));
+    }
+
+    virtual void set_image(const weld::TreeIter& rIter, VirtualDevice& rImage, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set_image(rGtkIter.iter, col, getPixbuf(rImage));
+    }
+
+    virtual OUString get_id(int pos) const override
+    {
+        return get(pos, m_nIdCol);
+    }
+
+    virtual void set_id(int pos, const OUString& rId) override
+    {
+        return set(pos, m_nIdCol, rId);
+    }
+
+    virtual int get_iter_index_in_parent(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+
+        gint depth;
+        gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+        int nRet = indices[depth-1];
+
+        gtk_tree_path_free(path);
+
+        return nRet;
+    }
+
+    virtual int iter_compare(const weld::TreeIter& a, const weld::TreeIter& b) const override
+    {
+        const GtkInstanceTreeIter& rGtkIterA = static_cast<const GtkInstanceTreeIter&>(a);
+        const GtkInstanceTreeIter& rGtkIterB = static_cast<const GtkInstanceTreeIter&>(b);
+
+        GtkTreePath* pathA = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIterA.iter));
+        GtkTreePath* pathB = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIterB.iter));
+
+        int nRet = gtk_tree_path_compare(pathA, pathB);
+
+        gtk_tree_path_free(pathB);
+        gtk_tree_path_free(pathA);
+
+        return nRet;
+    }
+
+    // by copy and delete of old copy
+    void move_subtree(GtkTreeIter& rFromIter, GtkTreeIter* pGtkParentIter, int nIndexInNewParent)
+    {
+        int nCols = gtk_tree_model_get_n_columns(m_pTreeModel);
+        GValue value;
+
+        GtkTreeIter toiter;
+        m_Insert(m_pTreeModel, &toiter, pGtkParentIter, nIndexInNewParent);
+
+        for (int i = 0; i < nCols; ++i)
+        {
+            memset(&value,  0, sizeof(GValue));
+            gtk_tree_model_get_value(m_pTreeModel, &rFromIter, i, &value);
+            m_SetValue(m_pTreeModel, &toiter, i, &value);
+            g_value_unset(&value);
+        }
+
+        GtkTreeIter tmpfromiter;
+        if (gtk_tree_model_iter_children(m_pTreeModel, &tmpfromiter, &rFromIter))
+        {
+            int j = 0;
+            do
+            {
+                move_subtree(tmpfromiter, &toiter, j++);
+            } while (gtk_tree_model_iter_next(m_pTreeModel, &tmpfromiter));
+        }
+
+        m_Remove(m_pTreeModel, &rFromIter);
+    }
+
+    virtual void move_subtree(weld::TreeIter& rNode, const weld::TreeIter* pNewParent, int nIndexInNewParent) override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rNode);
+        const GtkInstanceTreeIter* pGtkParentIter = static_cast<const GtkInstanceTreeIter*>(pNewParent);
+        move_subtree(rGtkIter.iter, pGtkParentIter ? const_cast<GtkTreeIter*>(&pGtkParentIter->iter) : nullptr, nIndexInNewParent);
+    }
+
+    virtual int get_selected_index() const override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't request selection when frozen");
+        int nRet = -1;
+        GtkTreeSelection *selection = gtk_tree_view_get_selection(m_pTreeView);
+        if (gtk_tree_selection_get_mode(selection) != GTK_SELECTION_MULTIPLE)
+        {
+            GtkTreeIter iter;
+            GtkTreeModel* pModel;
+            if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(m_pTreeView), &pModel, &iter))
+            {
+                GtkTreePath* path = gtk_tree_model_get_path(pModel, &iter);
+
+                gint depth;
+                gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+                nRet = indices[depth-1];
+
+                gtk_tree_path_free(path);
+            }
+        }
+        else
+        {
+            auto vec = get_selected_rows();
+            return vec.empty() ? -1 : vec[0];
+        }
+        return nRet;
+    }
+
+    bool get_selected_iterator(GtkTreeIter* pIter) const
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't request selection when frozen");
+        bool bRet = false;
+        GtkTreeSelection *selection = gtk_tree_view_get_selection(m_pTreeView);
+        if (gtk_tree_selection_get_mode(selection) != GTK_SELECTION_MULTIPLE)
+            bRet = gtk_tree_selection_get_selected(gtk_tree_view_get_selection(m_pTreeView), nullptr, pIter);
+        else
+        {
+            GtkTreeModel* pModel;
+            GList* pList = gtk_tree_selection_get_selected_rows(gtk_tree_view_get_selection(m_pTreeView), &pModel);
+            for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+            {
+                if (pIter)
+                {
+                    GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+                    gtk_tree_model_get_iter(pModel, pIter, path);
+                }
+                bRet = true;
+                break;
+            }
+            g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+        }
+        return bRet;
+    }
+
+    virtual OUString get_selected_text() const override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't request selection when frozen");
+        GtkTreeIter iter;
+        if (get_selected_iterator(&iter))
+            return get(iter, m_nTextCol);
+        return OUString();
+    }
+
+    virtual OUString get_selected_id() const override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't request selection when frozen");
+        GtkTreeIter iter;
+        if (get_selected_iterator(&iter))
+            return get(iter, m_nIdCol);
+        return OUString();
+    }
+
+    virtual std::unique_ptr<weld::TreeIter> make_iterator(const weld::TreeIter* pOrig) const override
+    {
+        return std::unique_ptr<weld::TreeIter>(new GtkInstanceTreeIter(static_cast<const GtkInstanceTreeIter*>(pOrig)));
+    }
+
+    virtual void copy_iterator(const weld::TreeIter& rSource, weld::TreeIter& rDest) const override
+    {
+        const GtkInstanceTreeIter& rGtkSource(static_cast<const GtkInstanceTreeIter&>(rSource));
+        GtkInstanceTreeIter& rGtkDest(static_cast<GtkInstanceTreeIter&>(rDest));
+        rGtkDest.iter = rGtkSource.iter;
+    }
+
+    virtual bool get_selected(weld::TreeIter* pIter) const override
+    {
+        GtkInstanceTreeIter* pGtkIter = static_cast<GtkInstanceTreeIter*>(pIter);
+        return get_selected_iterator(pGtkIter ? &pGtkIter->iter : nullptr);
+    }
+
+    virtual bool get_cursor(weld::TreeIter* pIter) const override
+    {
+        GtkInstanceTreeIter* pGtkIter = static_cast<GtkInstanceTreeIter*>(pIter);
+        GtkTreePath* path;
+        gtk_tree_view_get_cursor(m_pTreeView, &path, nullptr);
+        if (pGtkIter && path)
+        {
+            gtk_tree_model_get_iter(m_pTreeModel, &pGtkIter->iter, path);
+        }
+        if (!path)
+            return false;
+        gtk_tree_path_free(path);
+        return true;
+    }
+
+    virtual int get_cursor_index() const override
+    {
+        int nRet = -1;
+
+        GtkTreePath* path;
+        gtk_tree_view_get_cursor(m_pTreeView, &path, nullptr);
+        if (path)
+        {
+            gint depth;
+            gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+            nRet = indices[depth-1];
+            gtk_tree_path_free(path);
+        }
+
+        return nRet;
+    }
+
+    virtual void set_cursor(const weld::TreeIter& rIter) override
+    {
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreeIter Iter;
+        if (gtk_tree_model_iter_parent(m_pTreeModel, &Iter, const_cast<GtkTreeIter*>(&rGtkIter.iter)))
+        {
+            GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, &Iter);
+            if (!gtk_tree_view_row_expanded(m_pTreeView, path))
+                gtk_tree_view_expand_to_path(m_pTreeView, path);
+            gtk_tree_path_free(path);
+        }
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, false, 0, 0);
+        gtk_tree_view_set_cursor(m_pTreeView, path, nullptr, false);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual bool get_iter_first(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        return gtk_tree_model_get_iter_first(m_pTreeModel, &rGtkIter.iter);
+    }
+
+    virtual bool iter_next_sibling(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        return gtk_tree_model_iter_next(m_pTreeModel, &rGtkIter.iter);
+    }
+
+    virtual bool iter_previous_sibling(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        return gtk_tree_model_iter_previous(m_pTreeModel, &rGtkIter.iter);
+    }
+
+    virtual bool iter_next(weld::TreeIter& rIter) const override
+    {
+        return iter_next(rIter, false);
+    }
+
+    virtual bool iter_previous(weld::TreeIter& rIter) const override
+    {
+        bool ret = false;
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        GtkTreeIter iter = rGtkIter.iter;
+        GtkTreeIter tmp = iter;
+        if (gtk_tree_model_iter_previous(m_pTreeModel, &tmp))
+        {
+            // Move down level(s) until we find the level where the last node exists.
+            int nChildren = gtk_tree_model_iter_n_children(m_pTreeModel, &tmp);
+            if (!nChildren)
+                rGtkIter.iter = tmp;
+            else
+                last_child(m_pTreeModel, &rGtkIter.iter, &tmp, nChildren);
+            ret = true;
+        }
+        else
+        {
+            // Move up level
+            if (gtk_tree_model_iter_parent(m_pTreeModel, &tmp, &iter))
+            {
+                rGtkIter.iter = tmp;
+                ret = true;
+            }
+        }
+
+        if (ret)
+        {
+            //on-demand dummy entry doesn't count
+            if (get_text(rGtkIter, -1) == "<dummy>")
+                return iter_previous(rGtkIter);
+            return true;
+        }
+
+        return false;
+    }
+
+    virtual bool iter_children(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        GtkTreeIter tmp;
+        bool ret = gtk_tree_model_iter_children(m_pTreeModel, &tmp, &rGtkIter.iter);
+        rGtkIter.iter = tmp;
+        if (ret)
+        {
+            //on-demand dummy entry doesn't count
+            return get_text(rGtkIter, -1) != "<dummy>";
+        }
+        return ret;
+    }
+
+    virtual bool iter_parent(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        GtkTreeIter tmp;
+        bool ret = gtk_tree_model_iter_parent(m_pTreeModel, &tmp, &rGtkIter.iter);
+        rGtkIter.iter = tmp;
+        return ret;
+    }
+
+    virtual void remove(const weld::TreeIter& rIter) override
+    {
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        m_Remove(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        enable_notify_events();
+    }
+
+    virtual void remove_selection() override
+    {
+        disable_notify_events();
+
+        std::vector<GtkTreeIter> aIters;
+        GtkTreeModel* pModel;
+        GList* pList = gtk_tree_selection_get_selected_rows(gtk_tree_view_get_selection(m_pTreeView), &pModel);
+        for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+        {
+            GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+            aIters.emplace_back();
+            gtk_tree_model_get_iter(pModel, &aIters.back(), path);
+        }
+        g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+
+        for (auto& iter : aIters)
+            m_Remove(m_pTreeModel, &iter);
+
+        enable_notify_events();
+    }
+
+    virtual void select(const weld::TreeIter& rIter) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        gtk_tree_selection_select_iter(gtk_tree_view_get_selection(m_pTreeView), const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        enable_notify_events();
+    }
+
+    virtual void scroll_to_row(const weld::TreeIter& rIter) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        gtk_tree_view_expand_to_path(m_pTreeView, path);
+        gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, true, 0, 0);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual void unselect(const weld::TreeIter& rIter) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        gtk_tree_selection_unselect_iter(gtk_tree_view_get_selection(m_pTreeView), const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        enable_notify_events();
+    }
+
+    virtual int get_iter_depth(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        int ret = gtk_tree_path_get_depth(path) - 1;
+        gtk_tree_path_free(path);
+        return ret;
+    }
+
+    virtual bool iter_has_child(const weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter aTempCopy(static_cast<const GtkInstanceTreeIter*>(&rIter));
+        return iter_children(aTempCopy);
+    }
+
+    virtual bool get_row_expanded(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        bool ret = gtk_tree_view_row_expanded(m_pTreeView, path);
+        gtk_tree_path_free(path);
+        return ret;
+    }
+
+    virtual bool get_children_on_demand(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkInstanceTreeIter aIter(&rGtkIter);
+        return child_is_placeholder(aIter);
+    }
+
+    virtual void set_children_on_demand(const weld::TreeIter& rIter, bool bChildrenOnDemand) override
+    {
+        disable_notify_events();
+
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkInstanceTreeIter aPlaceHolderIter(&rGtkIter);
+
+        bool bPlaceHolder = child_is_placeholder(aPlaceHolderIter);
+
+        if (bChildrenOnDemand && !bPlaceHolder)
+        {
+            GtkTreeIter subiter;
+            OUString sDummy("<dummy>");
+            insert_row(subiter, &rGtkIter.iter, -1, nullptr, &sDummy, nullptr, nullptr);
+        }
+        else if (!bChildrenOnDemand && bPlaceHolder)
+            remove(aPlaceHolderIter);
+
+        enable_notify_events();
+    }
+
+    virtual void expand_row(const weld::TreeIter& rIter) override
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't expand when frozen");
+
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        if (!gtk_tree_view_row_expanded(m_pTreeView, path))
+            gtk_tree_view_expand_to_path(m_pTreeView, path);
+        gtk_tree_path_free(path);
+    }
+
+    virtual void collapse_row(const weld::TreeIter& rIter) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        if (gtk_tree_view_row_expanded(m_pTreeView, path))
+            gtk_tree_view_collapse_row(m_pTreeView, path);
+        gtk_tree_path_free(path);
+    }
+
+    virtual OUString get_text(const weld::TreeIter& rIter, int col) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        if (col == -1)
+            col = m_nTextCol;
+        else
+            col = to_internal_model(col);
+        return get(rGtkIter.iter, col);
+    }
+
+    virtual void set_text(const weld::TreeIter& rIter, const OUString& rText, int col) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        if (col == -1)
+            col = m_nTextCol;
+        else
+            col = to_internal_model(col);
+        set(rGtkIter.iter, col, rText);
+    }
+
+    virtual OUString get_id(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        return get(rGtkIter.iter, m_nIdCol);
+    }
+
+    virtual void set_id(const weld::TreeIter& rIter, const OUString& rId) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        set(rGtkIter.iter, m_nIdCol, rId);
+    }
+
+    virtual void freeze() override
+    {
+        disable_notify_events();
+        bool bIsFirstFreeze = IsFirstFreeze();
+        GtkInstanceWidget::freeze();
+        if (bIsFirstFreeze)
+        {
+            g_object_ref(m_pTreeModel);
+            gtk_tree_view_set_model(m_pTreeView, nullptr);
+            g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+            if (m_xSorter)
+            {
+                int nSortColumn;
+                GtkSortType eSortType;
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_get_sort_column_id(pSortable, &nSortColumn, &eSortType);
+                gtk_tree_sortable_set_sort_column_id(pSortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, eSortType);
+
+                m_aSavedSortColumns.push_back(nSortColumn);
+                m_aSavedSortTypes.push_back(eSortType);
+            }
+        }
+        enable_notify_events();
+    }
+
+    virtual void thaw() override
+    {
+        disable_notify_events();
+        if (IsLastThaw())
+        {
+            if (m_xSorter)
+            {
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_set_sort_column_id(pSortable, m_aSavedSortColumns.back(), m_aSavedSortTypes.back());
+                m_aSavedSortTypes.pop_back();
+                m_aSavedSortColumns.pop_back();
+            }
+            g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+            gtk_tree_view_set_model(m_pTreeView, GTK_TREE_MODEL(m_pTreeModel));
+            g_object_unref(m_pTreeModel);
+        }
+        GtkInstanceWidget::thaw();
+        enable_notify_events();
+    }
+
+    virtual int get_height_rows(int nRows) const override
+    {
+        return ::get_height_rows(m_pTreeView, m_pColumns, nRows);
+    }
+
+    virtual Size get_size_request() const override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            return Size(gtk_scrolled_window_get_min_content_width(GTK_SCROLLED_WINDOW(pParent)),
+                        gtk_scrolled_window_get_min_content_height(GTK_SCROLLED_WINDOW(pParent)));
+        }
+        int nWidth, nHeight;
+        gtk_widget_get_size_request(m_pWidget, &nWidth, &nHeight);
+        return Size(nWidth, nHeight);
+    }
+
+    virtual Size get_preferred_size() const override
+    {
+        Size aRet(-1, -1);
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            aRet = Size(gtk_scrolled_window_get_min_content_width(GTK_SCROLLED_WINDOW(pParent)),
+                        gtk_scrolled_window_get_min_content_height(GTK_SCROLLED_WINDOW(pParent)));
+        }
+        GtkRequisition size;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // sometimes gtk gives a bad outcome for gtk_widget_get_preferred_size if GtkTreeView's
+        // do_validate_rows hasn't been run before querying the preferred size, if we call
+        // gtk_widget_get_preferred_width first, we can guarantee do_validate_rows gets called
+        gtk_widget_get_preferred_width(m_pWidget, nullptr, &size.width);
+#endif
+        gtk_widget_get_preferred_size(m_pWidget, nullptr, &size);
+        if (aRet.Width() == -1)
+            aRet.setWidth(size.width);
+        if (aRet.Height() == -1)
+            aRet.setHeight(size.height);
+        return aRet;
+    }
+
+    virtual void show() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_show(pParent);
+        gtk_widget_show(m_pWidget);
+    }
+
+    virtual void hide() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_hide(pParent);
+        gtk_widget_hide(m_pWidget);
+    }
+
+    virtual void enable_drag_source(rtl::Reference<TransferDataContainer>& rHelper, sal_uInt8 eDNDConstants) override
+    {
+        do_enable_drag_source(rHelper, eDNDConstants);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    virtual void drag_source_set(const std::vector<GtkTargetEntry>& rGtkTargets, GdkDragAction eDragAction) override
+    {
+        if (rGtkTargets.empty() && !eDragAction)
+            gtk_tree_view_unset_rows_drag_source(m_pTreeView);
+        else
+            gtk_tree_view_enable_model_drag_source(m_pTreeView, GDK_BUTTON1_MASK, rGtkTargets.data(), rGtkTargets.size(), eDragAction);
+    }
+#endif
+
+    virtual void set_selection_mode(SelectionMode eMode) override
+    {
+        disable_notify_events();
+        gtk_tree_selection_set_mode(gtk_tree_view_get_selection(m_pTreeView), VclToGtk(eMode));
+        enable_notify_events();
+    }
+
+    virtual int count_selected_rows() const override
+    {
+        return gtk_tree_selection_count_selected_rows(gtk_tree_view_get_selection(m_pTreeView));
+    }
+
+    int starts_with(const OUString& rStr, int nStartRow, bool bCaseSensitive)
+    {
+        return ::starts_with(m_pTreeModel, rStr, m_nTextCol, nStartRow, bCaseSensitive);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(gtk_tree_view_get_selection(m_pTreeView), m_nChangedSignalId);
+        g_signal_handler_block(m_pTreeView, m_nRowActivatedSignalId);
+
+        g_signal_handler_block(m_pTreeModel, m_nRowDeletedSignalId);
+        g_signal_handler_block(m_pTreeModel, m_nRowInsertedSignalId);
+
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+
+        g_signal_handler_unblock(m_pTreeModel, m_nRowDeletedSignalId);
+        g_signal_handler_unblock(m_pTreeModel, m_nRowInsertedSignalId);
+
+        g_signal_handler_unblock(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_unblock(gtk_tree_view_get_selection(m_pTreeView), m_nChangedSignalId);
+    }
+
+    virtual void connect_popup_menu(const Link<const CommandEvent&, bool>& rLink) override
+    {
+        ensureButtonPressSignal();
+        weld::TreeView::connect_popup_menu(rLink);
+    }
+
+    virtual bool get_dest_row_at_pos(const Point &rPos, weld::TreeIter* pResult, bool bDnDMode, bool bAutoScroll) override
+    {
+        if (rPos.X() < 0 || rPos.Y() < 0)
+        {
+            // short-circuit to avoid "gtk_tree_view_get_dest_row_at_pos: assertion 'drag_x >= 0'" g_assert
+            return false;
+        }
+
+        const bool bAsTree = gtk_tree_view_get_enable_tree_lines(m_pTreeView);
+
+        // to keep it simple we'll default to always drop before the current row
+        // except for the special edge cases
+        GtkTreeViewDropPosition pos = bAsTree ? GTK_TREE_VIEW_DROP_INTO_OR_BEFORE : GTK_TREE_VIEW_DROP_BEFORE;
+
+        // unhighlight current highlighted row
+        gtk_tree_view_set_drag_dest_row(m_pTreeView, nullptr, pos);
+
+        if (m_bWorkAroundBadDragRegion)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_unset_state_flags(GTK_WIDGET(m_pTreeView), GTK_STATE_FLAG_DROP_ACTIVE);
+#else
+            gtk_drag_unhighlight(GTK_WIDGET(m_pTreeView));
+#endif
+        }
+
+        GtkTreePath *path = nullptr;
+        GtkTreeViewDropPosition gtkpos = bAsTree ? GTK_TREE_VIEW_DROP_INTO_OR_BEFORE : GTK_TREE_VIEW_DROP_BEFORE;
+        bool ret = gtk_tree_view_get_dest_row_at_pos(m_pTreeView, rPos.X(), rPos.Y(),
+                                                     &path, &gtkpos);
+
+        // find the last entry in the model for comparison
+        GtkTreePath *lastpath = get_path_of_last_entry(m_pTreeModel);
+
+        if (!ret)
+        {
+            // empty space, draw an indicator at the last entry
+            assert(!path);
+            path = gtk_tree_path_copy(lastpath);
+            pos = GTK_TREE_VIEW_DROP_AFTER;
+        }
+        else if (bDnDMode && gtk_tree_path_compare(path, lastpath) == 0)
+        {
+            // if we're on the last entry, see if gtk thinks
+            // the drop should be before or after it, and if
+            // its after, treat it like a drop into empty
+            // space, i.e. append it
+            if (gtkpos == GTK_TREE_VIEW_DROP_AFTER ||
+                gtkpos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER)
+            {
+                ret = false;
+                pos = bAsTree ? gtkpos : GTK_TREE_VIEW_DROP_AFTER;
+            }
+        }
+
+        if (ret && pResult)
+        {
+            GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(*pResult);
+            gtk_tree_model_get_iter(m_pTreeModel, &rGtkIter.iter, path);
+        }
+
+        if (m_bInDrag && bDnDMode)
+        {
+            // highlight the row
+            gtk_tree_view_set_drag_dest_row(m_pTreeView, path, pos);
+        }
+
+        assert(path);
+        gtk_tree_path_free(path);
+        gtk_tree_path_free(lastpath);
+
+        if (bAutoScroll)
+        {
+            // auto scroll if we're close to the edges
+            GtkAdjustment* pVAdjustment = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(m_pTreeView));
+            double fStep = gtk_adjustment_get_step_increment(pVAdjustment);
+            if (rPos.Y() < fStep)
+            {
+                double fValue = gtk_adjustment_get_value(pVAdjustment) - fStep;
+                if (fValue < 0)
+                    fValue = 0.0;
+                gtk_adjustment_set_value(pVAdjustment, fValue);
+            }
+            else
+            {
+                GdkRectangle aRect;
+                gtk_tree_view_get_visible_rect(m_pTreeView, &aRect);
+                if (rPos.Y() > aRect.height - fStep)
+                {
+                    double fValue = gtk_adjustment_get_value(pVAdjustment) + fStep;
+                    double fMax = gtk_adjustment_get_upper(pVAdjustment);
+                    if (fValue > fMax)
+                        fValue = fMax;
+                    gtk_adjustment_set_value(pVAdjustment, fValue);
+                }
+            }
+        }
+
+        return ret;
+    }
+
+    virtual void unset_drag_dest_row() override
+    {
+        gtk_tree_view_set_drag_dest_row(m_pTreeView, nullptr, GTK_TREE_VIEW_DROP_BEFORE);
+    }
+
+    virtual tools::Rectangle get_row_area(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* pPath = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        tools::Rectangle aRet = ::get_row_area(m_pTreeView, m_pColumns, pPath);
+        gtk_tree_path_free(pPath);
+        return aRet;
+    }
+
+    virtual void start_editing(const weld::TreeIter& rIter) override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreePath* path = gtk_tree_model_get_path(m_pTreeModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+
+        GtkTreeViewColumn* pColumn = nullptr;
+
+        for (GList* pEntry = g_list_first(m_pColumns); pEntry; pEntry = g_list_next(pEntry))
+        {
+            GtkTreeViewColumn* pTestColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+
+            // see if this column is editable
+            gboolean is_editable(false);
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pTestColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                if (GTK_IS_CELL_RENDERER_TEXT(pCellRenderer))
+                {
+                    g_object_get(pCellRenderer, "editable", &is_editable, nullptr);
+                    if (is_editable)
+                    {
+                        pColumn = pTestColumn;
+                        break;
+                    }
+                }
+            }
+            g_list_free(pRenderers);
+
+            if (is_editable)
+                break;
+        }
+
+        // if nothing explicit editable, allow editing of cells which are not
+        // usually editable, so we can have double click do its usual
+        // row-activate but if we explicitly want to edit (remote files dialog)
+        // we can still do that
+        if (!pColumn)
+        {
+            pColumn = GTK_TREE_VIEW_COLUMN(g_list_nth_data(m_pColumns, m_nTextView));
+            assert(pColumn && "wrong column");
+
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                if (GTK_IS_CELL_RENDERER_TEXT(pCellRenderer))
+                {
+                    g_object_set(pCellRenderer, "editable", true, "editable-set", true, nullptr);
+                    g_object_set_data(G_OBJECT(pCellRenderer), "g-lo-RestoreNonEditable", reinterpret_cast<gpointer>(true));
+                    break;
+                }
+            }
+            g_list_free(pRenderers);
+        }
+
+        gtk_tree_view_scroll_to_cell(m_pTreeView, path, pColumn, false, 0, 0);
+        gtk_tree_view_set_cursor(m_pTreeView, path, pColumn, true);
+
+        gtk_tree_path_free(path);
+    }
+
+    virtual void end_editing() override
+    {
+        GtkTreeViewColumn *focus_column = nullptr;
+        gtk_tree_view_get_cursor(m_pTreeView, nullptr, &focus_column);
+        if (focus_column)
+            gtk_cell_area_stop_editing(gtk_cell_layout_get_area(GTK_CELL_LAYOUT(focus_column)), true);
+    }
+
+    virtual TreeView* get_drag_source() const override
+    {
+        return g_DragSource;
+    }
+
+    virtual bool do_signal_drag_begin(bool& rUnsetDragIcon) override
+    {
+        if (m_aDragBeginHdl.Call(rUnsetDragIcon))
+            return true;
+        g_DragSource = this;
+        return false;
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    virtual void drag_set_icon(GtkDragSource*) override
+    {
+    }
+#else
+    virtual void drag_set_icon(GdkDragContext* context) override
+    {
+        GtkTreeSelection *selection = gtk_tree_view_get_selection(m_pTreeView);
+        if (gtk_tree_selection_get_mode(selection) == GTK_SELECTION_MULTIPLE)
+        {
+            int nWidth = 0;
+            int nHeight = 0;
+
+            GList* pList = gtk_tree_selection_get_selected_rows(gtk_tree_view_get_selection(m_pTreeView), nullptr);
+            std::vector<cairo_surface_t*> surfaces;
+            std::vector<int> heights;
+            for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+            {
+                GtkTreePath* pPath = static_cast<GtkTreePath*>(pItem->data);
+
+                surfaces.push_back(gtk_tree_view_create_row_drag_icon(m_pTreeView, pPath));
+
+                double x1, x2, y1, y2;
+                cairo_t* cr = cairo_create(surfaces.back());
+                cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
+                cairo_destroy(cr);
+
+                heights.push_back(y2 - y1);
+
+                nWidth = std::max(nWidth, static_cast<int>(x2 - x1));
+                nHeight += heights.back();
+            }
+            g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+
+            // if it's just one, then don't do anything and leave the default dnd icon as-is
+            if (surfaces.size() > 1)
+            {
+                cairo_surface_t* target = cairo_surface_create_similar(surfaces[0],
+                                                                       cairo_surface_get_content(surfaces[0]),
+                                                                       nWidth,
+                                                                       nHeight);
+
+                cairo_t* cr = cairo_create(target);
+
+                double y_pos = 0;
+                for (size_t i = 0; i < surfaces.size(); ++i)
+                {
+                    cairo_set_source_surface(cr, surfaces[i], 2, y_pos + 2);
+                    cairo_rectangle(cr, 0, y_pos, nWidth, heights[i]);
+                    cairo_fill(cr);
+                    y_pos += heights[i];
+                }
+
+                cairo_destroy(cr);
+
+                double fXScale, fYScale;
+                dl_cairo_surface_get_device_scale(target, &fXScale, &fYScale);
+                cairo_surface_set_device_offset(target,
+                                                - m_nPressStartX * fXScale,
+                                                0);
+
+                gtk_drag_set_icon_surface(context, target);
+                cairo_surface_destroy(target);
+            }
+
+            for (auto surface : surfaces)
+                cairo_surface_destroy(surface);
+        }
+    }
+#endif
+
+    virtual void do_signal_drag_end() override
+    {
+        g_DragSource = nullptr;
+    }
+
+    // Under gtk 3.24.8 dragging into the TreeView is not highlighting
+    // entire TreeView widget, just the rectangle which has no entries
+    // in it, so as a workaround highlight the parent container
+    // on drag start, and undo it on drag end, and trigger removal
+    // of the treeview's highlight effort
+    virtual void drag_started() override
+    {
+        m_bInDrag = true;
+        GtkWidget* pWidget = GTK_WIDGET(m_pTreeView);
+        GtkWidget* pParent = gtk_widget_get_parent(pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_unset_state_flags(pWidget, GTK_STATE_FLAG_DROP_ACTIVE);
+            gtk_widget_set_state_flags(pParent, GTK_STATE_FLAG_DROP_ACTIVE, false);
+#else
+            gtk_drag_unhighlight(pWidget);
+            gtk_drag_highlight(pParent);
+#endif
+            m_bWorkAroundBadDragRegion = true;
+        }
+    }
+
+    virtual void drag_ended() override
+    {
+        m_bInDrag = false;
+        if (m_bWorkAroundBadDragRegion)
+        {
+            GtkWidget* pWidget = GTK_WIDGET(m_pTreeView);
+            GtkWidget* pParent = gtk_widget_get_parent(pWidget);
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_widget_unset_state_flags(pParent, GTK_STATE_FLAG_DROP_ACTIVE);
+#else
+            gtk_drag_unhighlight(pParent);
+#endif
+            m_bWorkAroundBadDragRegion = false;
+        }
+        // unhighlight the row
+        gtk_tree_view_set_drag_dest_row(m_pTreeView, nullptr, GTK_TREE_VIEW_DROP_BEFORE);
+    }
+
+    virtual int vadjustment_get_value() const override
+    {
+        if (m_nPendingVAdjustment != -1)
+            return m_nPendingVAdjustment;
+        return gtk_adjustment_get_value(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_value(int value) override
+    {
+        disable_notify_events();
+
+        /* This rube goldberg device is to remove flicker from setting the
+           scroll position of a GtkTreeView directly after clearing it and
+           filling it. As a specific example the writer navigator with ~100
+           tables, scroll to the end, right click on an entry near the end
+           and rename it, the tree is cleared and refilled and an attempt
+           made to set the scroll position of the freshly refilled tree to
+           the same point as before the clear.
+        */
+
+        // This forces the tree to recalculate now its preferred size
+        // after being cleared
+        GtkRequisition size;
+        gtk_widget_get_preferred_size(GTK_WIDGET(m_pTreeView), nullptr, &size);
+
+        m_nPendingVAdjustment = value;
+
+        // The value set here just has to be different to the final value
+        // set later so that isn't a no-op
+        gtk_adjustment_set_value(m_pVAdjustment, value - 0.0001);
+
+        // This will set the desired m_nPendingVAdjustment value right
+        // before the tree gets drawn
+        gtk_widget_add_tick_callback(GTK_WIDGET(m_pTreeView), setAdjustmentCallback, this, nullptr);
+
+        enable_notify_events();
+    }
+
+    void call_signal_custom_render(VirtualDevice& rOutput, const tools::Rectangle& rRect, bool bSelected, const OUString& rId)
+    {
+        signal_custom_render(rOutput, rRect, bSelected, rId);
+    }
+
+    Size call_signal_custom_get_size(VirtualDevice& rOutput, const OUString& rId)
+    {
+        return signal_custom_get_size(rOutput, rId);
+    }
+
+    virtual void set_show_expanders(bool bShow) override
+    {
+        gtk_tree_view_set_show_expanders(m_pTreeView, bShow);
+    }
+
+    virtual bool changed_by_hover() const override
+    {
+        return m_bChangedByMouse;
+    }
+
+    virtual ~GtkInstanceTreeView() override
+    {
+        if (m_pChangeEvent)
+            Application::RemoveUserEvent(m_pChangeEvent);
+        if (m_nQueryTooltipSignalId)
+            g_signal_handler_disconnect(m_pTreeView, m_nQueryTooltipSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pTreeView, m_nCrossingSignalid);
+        g_signal_handler_disconnect(m_pTreeView, m_nKeyPressSignalId);
+        g_signal_handler_disconnect(m_pTreeView, m_nPopupMenuSignalId);
+#endif
+        g_signal_handler_disconnect(m_pTreeModel, m_nRowDeletedSignalId);
+        g_signal_handler_disconnect(m_pTreeModel, m_nRowInsertedSignalId);
+
+        if (m_nVAdjustmentChangedSignalId)
+        {
+            GtkAdjustment* pVAdjustment = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(m_pTreeView));
+            g_signal_handler_disconnect(pVAdjustment, m_nVAdjustmentChangedSignalId);
+        }
+
+        g_signal_handler_disconnect(m_pTreeView, m_nTestCollapseRowSignalId);
+        g_signal_handler_disconnect(m_pTreeView, m_nTestExpandRowSignalId);
+        g_signal_handler_disconnect(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_disconnect(gtk_tree_view_get_selection(m_pTreeView), m_nChangedSignalId);
+
+        if (g_DragSource == this)
+            g_DragSource = nullptr;
+
+        GValue value = G_VALUE_INIT;
+        g_value_init(&value, G_TYPE_POINTER);
+        g_value_set_pointer(&value, static_cast<gpointer>(nullptr));
+
+        for (GList* pEntry = g_list_last(m_pColumns); pEntry; pEntry = g_list_previous(pEntry))
+        {
+            GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pEntry->data);
+            g_signal_handler_disconnect(pColumn, m_aColumnSignalIds.back());
+            m_aColumnSignalIds.pop_back();
+
+            // unset "instance" to avoid dangling "instance" points in any CustomCellRenderers
+            GList *pRenderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(pColumn));
+            for (GList* pRenderer = g_list_first(pRenderers); pRenderer; pRenderer = g_list_next(pRenderer))
+            {
+                GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+                if (!CUSTOM_IS_CELL_RENDERER(pCellRenderer))
+                    continue;
+                g_object_set_property(G_OBJECT(pCellRenderer), "instance", &value);
+            }
+            g_list_free(pRenderers);
+        }
+        g_list_free(m_pColumns);
+    }
+};
+
+}
+
+IMPL_LINK_NOARG(GtkInstanceTreeView, async_signal_changed, void*, void)
+{
+    m_pChangeEvent = nullptr;
+    signal_changed();
+    m_bChangedByMouse = false;
+}
+
+IMPL_LINK_NOARG(GtkInstanceTreeView, async_stop_cell_editing, void*, void)
+{
+    end_editing();
+}
+
+namespace {
+
+class GtkInstanceIconView : public GtkInstanceWidget, public virtual weld::IconView
+{
+private:
+    GtkIconView* m_pIconView;
+    GtkTreeStore* m_pTreeStore;
+    gint m_nTextCol;
+    gint m_nImageCol;
+    gint m_nIdCol;
+    gulong m_nSelectionChangedSignalId;
+    gulong m_nItemActivatedSignalId;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nPopupMenu;
+#endif
+    gulong m_nQueryTooltipSignalId = 0;
+    ImplSVEvent* m_pSelectionChangeEvent;
+
+    DECL_LINK(async_signal_selection_changed, void*, void);
+
+    bool signal_command(const CommandEvent& rCEvt)
+    {
+        return m_aCommandHdl.Call(rCEvt);
+    }
+
+    virtual bool signal_popup_menu(const CommandEvent& rCEvt) override
+    {
+        return signal_command(rCEvt);
+    }
+
+    void launch_signal_selection_changed()
+    {
+        //tdf#117991 selection change is sent before the focus change, and focus change
+        //is what will cause a spinbutton that currently has the focus to set its contents
+        //as the spin button value. So any LibreOffice callbacks on
+        //signal-change would happen before the spinbutton value-change occurs.
+        //To avoid this, send the signal-change to LibreOffice to occur after focus-change
+        //has been processed
+        if (m_pSelectionChangeEvent)
+            Application::RemoveUserEvent(m_pSelectionChangeEvent);
+        m_pSelectionChangeEvent = Application::PostUserEvent(LINK(this, GtkInstanceIconView, async_signal_selection_changed));
+    }
+
+    static void signalSelectionChanged(GtkIconView*, gpointer widget)
+    {
+        GtkInstanceIconView* pThis = static_cast<GtkInstanceIconView*>(widget);
+        pThis->launch_signal_selection_changed();
+    }
+
+    void handle_item_activated()
+    {
+        if (signal_item_activated())
+            return;
+    }
+
+    static void signalItemActivated(GtkIconView*, GtkTreePath*, gpointer widget)
+    {
+        GtkInstanceIconView* pThis = static_cast<GtkInstanceIconView*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->handle_item_activated();
+    }
+
+    static gboolean signalQueryTooltip(GtkWidget* /*pGtkWidget*/, gint x, gint y,
+        gboolean keyboard_tip, GtkTooltip* tooltip,
+        gpointer widget)
+    {
+        GtkInstanceIconView* pThis = static_cast<GtkInstanceIconView*>(widget);
+        GtkTreeIter iter;
+        GtkIconView* pIconView = pThis->m_pIconView;
+        GtkTreeModel* pModel = gtk_icon_view_get_model(pIconView);
+        GtkTreePath* pPath = nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (!gtk_icon_view_get_tooltip_context(pIconView, x, y, keyboard_tip, &pModel, &pPath, &iter))
+            return false;
+#else
+        if (!gtk_icon_view_get_tooltip_context(pIconView, &x, &y, keyboard_tip, &pModel, &pPath, &iter))
+            return false;
+#endif
+        OUString aTooltip = pThis->signal_query_tooltip(GtkInstanceTreeIter(iter));
+        if (!aTooltip.isEmpty())
+        {
+            gtk_tooltip_set_text(tooltip, OUStringToOString(aTooltip, RTL_TEXTENCODING_UTF8).getStr());
+            gtk_icon_view_set_tooltip_item(pIconView, tooltip, pPath);
+        }
+        gtk_tree_path_free(pPath);
+        return !aTooltip.isEmpty();
+    }
+
+    /* Set the item's tooltip text as its accessible description as well. */
+    void set_item_accessible_description_from_tooltip(GtkTreeIter& iter)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        (void)iter;
+#else
+        AtkObject* pAtkObject = gtk_widget_get_accessible(GTK_WIDGET(m_pIconView));
+        assert(pAtkObject);
+        GtkTreePath* pPath = gtk_tree_model_get_path(GTK_TREE_MODEL(m_pTreeStore), &iter);
+        assert(gtk_tree_path_get_depth(pPath) == 1);
+        int* indices = gtk_tree_path_get_indices(pPath);
+        const int nIndex = indices[0];
+        assert(nIndex < atk_object_get_n_accessible_children(pAtkObject)
+               && "item index too high for ItemView's accessible child count");
+
+        const OUString sTooltipText = signal_query_tooltip(GtkInstanceTreeIter(iter));
+        AtkObject* pChild = atk_object_ref_accessible_child(pAtkObject, nIndex);
+        atk_object_set_description(pChild,
+                                   OUStringToOString(sTooltipText, RTL_TEXTENCODING_UTF8).getStr());
+        g_object_unref(pChild);
+#endif
+    }
+
+    void insert_item(GtkTreeIter& iter, int pos, const OUString* pId, const OUString* pText, const OUString* pIconName)
+    {
+        // m_nTextCol may be -1, so pass it last, to not terminate the sequence before the Id value
+        gtk_tree_store_insert_with_values(m_pTreeStore, &iter, nullptr, pos,
+                                          m_nIdCol, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr(),
+                                          m_nTextCol, !pText ? nullptr : OUStringToOString(*pText, RTL_TEXTENCODING_UTF8).getStr(),
+                                          -1);
+        if (pIconName)
+        {
+            GdkPixbuf* pixbuf = getPixbuf(*pIconName);
+            gtk_tree_store_set(m_pTreeStore, &iter, m_nImageCol, pixbuf, -1);
+            if (pixbuf)
+                g_object_unref(pixbuf);
+        }
+
+        set_item_accessible_description_from_tooltip(iter);
+    }
+
+    void insert_item(GtkTreeIter& iter, int pos, const OUString* pId, const OUString* pText, const VirtualDevice* pIcon)
+    {
+        // m_nTextCol may be -1, so pass it last, to not terminate the sequence before the Id value
+        gtk_tree_store_insert_with_values(m_pTreeStore, &iter, nullptr, pos,
+                                          m_nIdCol, !pId ? nullptr : OUStringToOString(*pId, RTL_TEXTENCODING_UTF8).getStr(),
+                                          m_nTextCol, !pText ? nullptr : OUStringToOString(*pText, RTL_TEXTENCODING_UTF8).getStr(),
+                                          -1);
+        if (pIcon)
+        {
+            GdkPixbuf* pixbuf = getPixbuf(*pIcon);
+            gtk_tree_store_set(m_pTreeStore, &iter, m_nImageCol, pixbuf, -1);
+            if (pixbuf)
+                g_object_unref(pixbuf);
+        }
+
+        set_item_accessible_description_from_tooltip(iter);
+    }
+
+    OUString get(const GtkTreeIter& iter, int col) const
+    {
+        GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+        gchar* pStr;
+        gtk_tree_model_get(pModel, const_cast<GtkTreeIter*>(&iter), col, &pStr, -1);
+        OUString sRet(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+        g_free(pStr);
+        return sRet;
+    }
+
+    bool get_selected_iterator(GtkTreeIter* pIter) const
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't request selection when frozen");
+        bool bRet = false;
+        {
+            GtkTreeModel* pModel = GTK_TREE_MODEL(m_pTreeStore);
+            GList* pList = gtk_icon_view_get_selected_items(m_pIconView);
+            for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+            {
+                if (pIter)
+                {
+                    GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+                    gtk_tree_model_get_iter(pModel, pIter, path);
+                }
+                bRet = true;
+                break;
+            }
+            g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+        }
+        return bRet;
+    }
+
+public:
+    GtkInstanceIconView(GtkIconView* pIconView, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pIconView), pBuilder, bTakeOwnership)
+        , m_pIconView(pIconView)
+        , m_pTreeStore(GTK_TREE_STORE(gtk_icon_view_get_model(m_pIconView)))
+        , m_nTextCol(gtk_icon_view_get_text_column(m_pIconView)) // May be -1
+        , m_nImageCol(gtk_icon_view_get_pixbuf_column(m_pIconView))
+        , m_nSelectionChangedSignalId(g_signal_connect(pIconView, "selection-changed",
+                                      G_CALLBACK(signalSelectionChanged), this))
+        , m_nItemActivatedSignalId(g_signal_connect(pIconView, "item-activated", G_CALLBACK(signalItemActivated), this))
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nPopupMenu(g_signal_connect(pIconView, "popup-menu", G_CALLBACK(signalPopupMenu), this))
+#endif
+        , m_pSelectionChangeEvent(nullptr)
+    {
+        m_nIdCol = std::max(m_nTextCol, m_nImageCol) + 1;
+    }
+
+    virtual int get_item_width() const override
+    {
+        return gtk_icon_view_get_item_width(m_pIconView);
+    }
+
+    virtual void set_item_width(int width) override
+    {
+        gtk_icon_view_set_item_width(m_pIconView, width);
+    }
+
+    virtual void insert(int pos, const OUString* pText, const OUString* pId, const OUString* pIconName, weld::TreeIter* pRet) override
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        insert_item(iter, pos, pId, pText, pIconName);
+        if (pRet)
+        {
+            GtkInstanceTreeIter* pGtkRetIter = static_cast<GtkInstanceTreeIter*>(pRet);
+            pGtkRetIter->iter = iter;
+        }
+        enable_notify_events();
+    }
+
+    virtual void insert(int pos, const OUString* pText, const OUString* pId, const VirtualDevice* pIcon, weld::TreeIter* pRet) override
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        insert_item(iter, pos, pId, pText, pIcon);
+        if (pRet)
+        {
+            GtkInstanceTreeIter* pGtkRetIter = static_cast<GtkInstanceTreeIter*>(pRet);
+            pGtkRetIter->iter = iter;
+        }
+        enable_notify_events();
+    }
+
+    virtual void insert_separator(int /* pos */, const OUString* /* pId */) override
+    {
+        // TODO: can't just copy from GtkInstanceTreeView, since there's
+        // no IconView analog for gtk_tree_view_get_row_separator_func
+    }
+
+    virtual void connect_query_tooltip(const Link<const weld::TreeIter&, OUString>& rLink) override
+    {
+        weld::IconView::connect_query_tooltip(rLink);
+        m_nQueryTooltipSignalId = g_signal_connect(m_pIconView, "query-tooltip", G_CALLBACK(signalQueryTooltip), this);
+        gtk_widget_set_has_tooltip(GTK_WIDGET(m_pIconView), true);
+    }
+
+    virtual void connect_get_property_tree_elem(const Link<const weld::json_prop_query&, bool>& /*rLink*/) override
+    {
+        //not implemented for the gtk variant
+    }
+
+    virtual OUString get_selected_id() const override
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't request selection when frozen");
+        GtkTreeIter iter;
+        if (get_selected_iterator(&iter))
+            return get(iter, m_nIdCol);
+        return OUString();
+    }
+
+    virtual void clear() override
+    {
+        disable_notify_events();
+        gtk_tree_store_clear(m_pTreeStore);
+        enable_notify_events();
+    }
+
+    virtual void freeze() override
+    {
+        disable_notify_events();
+        bool bIsFirstFreeze = IsFirstFreeze();
+        GtkInstanceWidget::freeze();
+        if (bIsFirstFreeze)
+            g_object_freeze_notify(G_OBJECT(m_pTreeStore));
+        enable_notify_events();
+    }
+
+    virtual void thaw() override
+    {
+        disable_notify_events();
+        if (IsLastThaw())
+            g_object_thaw_notify(G_OBJECT(m_pTreeStore));
+        GtkInstanceWidget::thaw();
+        enable_notify_events();
+    }
+
+    virtual Size get_size_request() const override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            return Size(gtk_scrolled_window_get_min_content_width(GTK_SCROLLED_WINDOW(pParent)),
+                        gtk_scrolled_window_get_min_content_height(GTK_SCROLLED_WINDOW(pParent)));
+        }
+        int nWidth, nHeight;
+        gtk_widget_get_size_request(m_pWidget, &nWidth, &nHeight);
+        return Size(nWidth, nHeight);
+    }
+
+    virtual Size get_preferred_size() const override
+    {
+        Size aRet(-1, -1);
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            aRet = Size(gtk_scrolled_window_get_min_content_width(GTK_SCROLLED_WINDOW(pParent)),
+                        gtk_scrolled_window_get_min_content_height(GTK_SCROLLED_WINDOW(pParent)));
+        }
+        GtkRequisition size;
+        gtk_widget_get_preferred_size(m_pWidget, nullptr, &size);
+        if (aRet.Width() == -1)
+            aRet.setWidth(size.width);
+        if (aRet.Height() == -1)
+            aRet.setHeight(size.height);
+        return aRet;
+    }
+
+    virtual void show() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_show(pParent);
+        gtk_widget_show(m_pWidget);
+    }
+
+    virtual void hide() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_hide(pParent);
+        gtk_widget_hide(m_pWidget);
+    }
+
+    virtual OUString get_selected_text() const override
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't request selection when frozen");
+        GtkTreeIter iter;
+        if (get_selected_iterator(&iter))
+            return get(iter, m_nTextCol);
+        return OUString();
+    }
+
+    virtual int count_selected_items() const override
+    {
+        GList* pList = gtk_icon_view_get_selected_items(m_pIconView);
+        int nRet = g_list_length(pList);
+        g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+        return nRet;
+    }
+
+    virtual void select(int pos) override
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        if (pos == -1 || (pos == 0 && n_children() == 0))
+        {
+            gtk_icon_view_unselect_all(m_pIconView);
+        }
+        else
+        {
+            GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+            gtk_icon_view_select_path(m_pIconView, path);
+            gtk_icon_view_scroll_to_path(m_pIconView, path, false, 0, 0);
+            gtk_tree_path_free(path);
+        }
+        enable_notify_events();
+    }
+
+    virtual void unselect(int pos) override
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        if (pos == -1 || (pos == 0 && n_children() == 0))
+        {
+            gtk_icon_view_select_all(m_pIconView);
+        }
+        else
+        {
+            GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+            gtk_icon_view_select_path(m_pIconView, path);
+            gtk_tree_path_free(path);
+        }
+        enable_notify_events();
+    }
+
+    virtual bool get_selected(weld::TreeIter* pIter) const override
+    {
+        GtkInstanceTreeIter* pGtkIter = static_cast<GtkInstanceTreeIter*>(pIter);
+        return get_selected_iterator(pGtkIter ? &pGtkIter->iter : nullptr);
+    }
+
+    virtual bool get_cursor(weld::TreeIter* pIter) const override
+    {
+        GtkInstanceTreeIter* pGtkIter = static_cast<GtkInstanceTreeIter*>(pIter);
+        GtkTreePath* path;
+        gtk_icon_view_get_cursor(m_pIconView, &path, nullptr);
+        if (pGtkIter && path)
+        {
+            GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+            gtk_tree_model_get_iter(pModel, &pGtkIter->iter, path);
+        }
+        return path != nullptr;
+    }
+
+    virtual void set_cursor(const weld::TreeIter& rIter) override
+    {
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+        GtkTreePath* path = gtk_tree_model_get_path(pModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        gtk_icon_view_set_cursor(m_pIconView, path, nullptr, false);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual bool get_iter_first(weld::TreeIter& rIter) const override
+    {
+        GtkInstanceTreeIter& rGtkIter = static_cast<GtkInstanceTreeIter&>(rIter);
+        GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+        return gtk_tree_model_get_iter_first(pModel, &rGtkIter.iter);
+    }
+
+    virtual void scroll_to_item(const weld::TreeIter& rIter) override
+    {
+        assert(gtk_icon_view_get_model(m_pIconView) && "don't select when frozen, select after thaw. Note selection doesn't survive a freeze");
+        disable_notify_events();
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+        GtkTreePath* path = gtk_tree_model_get_path(pModel, const_cast<GtkTreeIter*>(&rGtkIter.iter));
+        gtk_icon_view_scroll_to_path(m_pIconView, path, false, 0, 0);
+        gtk_tree_path_free(path);
+        enable_notify_events();
+    }
+
+    virtual std::unique_ptr<weld::TreeIter> make_iterator(const weld::TreeIter* pOrig) const override
+    {
+        return std::unique_ptr<weld::TreeIter>(new GtkInstanceTreeIter(static_cast<const GtkInstanceTreeIter*>(pOrig)));
+    }
+
+    virtual void selected_foreach(const std::function<bool(weld::TreeIter&)>& func) override
+    {
+        GtkInstanceTreeIter aGtkIter(nullptr);
+
+        GtkTreeModel *pModel = GTK_TREE_MODEL(m_pTreeStore);
+        GList* pList = gtk_icon_view_get_selected_items(m_pIconView);
+        for (GList* pItem = g_list_first(pList); pItem; pItem = g_list_next(pItem))
+        {
+            GtkTreePath* path = static_cast<GtkTreePath*>(pItem->data);
+            gtk_tree_model_get_iter(pModel, &aGtkIter.iter, path);
+            if (func(aGtkIter))
+                break;
+        }
+        g_list_free_full(pList, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
+    }
+
+    virtual int n_children() const override
+    {
+        return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(m_pTreeStore), nullptr);
+    }
+
+    virtual OUString get_id(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        return get(rGtkIter.iter, m_nIdCol);
+    }
+
+    virtual OUString get_text(const weld::TreeIter& rIter) const override
+    {
+        const GtkInstanceTreeIter& rGtkIter = static_cast<const GtkInstanceTreeIter&>(rIter);
+        return get(rGtkIter.iter, m_nTextCol);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pIconView, m_nSelectionChangedSignalId);
+        g_signal_handler_block(m_pIconView, m_nItemActivatedSignalId);
+
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+
+        g_signal_handler_unblock(m_pIconView, m_nItemActivatedSignalId);
+        g_signal_handler_unblock(m_pIconView, m_nSelectionChangedSignalId);
+    }
+
+    virtual ~GtkInstanceIconView() override
+    {
+        if (m_pSelectionChangeEvent)
+            Application::RemoveUserEvent(m_pSelectionChangeEvent);
+
+        if (m_nQueryTooltipSignalId)
+            g_signal_handler_disconnect(m_pIconView, m_nQueryTooltipSignalId);
+
+        g_signal_handler_disconnect(m_pIconView, m_nItemActivatedSignalId);
+        g_signal_handler_disconnect(m_pIconView, m_nSelectionChangedSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pIconView, m_nPopupMenu);
+#endif
+    }
+};
+
+}
+
+IMPL_LINK_NOARG(GtkInstanceIconView, async_signal_selection_changed, void*, void)
+{
+    m_pSelectionChangeEvent = nullptr;
+    signal_selection_changed();
+}
+
+namespace {
+
+void signalDestroyFlag(GtkWidget*, gpointer destroyed)
+{
+    bool* pDestroyed = static_cast<bool*>(destroyed);
+    *pDestroyed = true;
+}
+
+class GtkInstanceSpinButton : public GtkInstanceEditable, public virtual weld::SpinButton
+{
+private:
+    GtkSpinButton* m_pButton;
+    gulong m_nValueChangedSignalId;
+    gulong m_nOutputSignalId;
+    gulong m_nInputSignalId;
+    bool m_bFormatting;
+    bool m_bBlockOutput;
+    bool m_bBlank;
+
+    static void signalValueChanged(GtkSpinButton*, gpointer widget)
+    {
+        GtkInstanceSpinButton* pThis = static_cast<GtkInstanceSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->m_bBlank = false;
+        pThis->signal_value_changed();
+    }
+
+    bool guarded_signal_output()
+    {
+        if (m_bBlockOutput)
+            return true;
+        m_bFormatting = true;
+        bool bRet = signal_output();
+        m_bFormatting = false;
+        return bRet;
+    }
+
+    static gboolean signalOutput(GtkSpinButton*, gpointer widget)
+    {
+        GtkInstanceSpinButton* pThis = static_cast<GtkInstanceSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->guarded_signal_output();
+    }
+
+    static gint signalInput(GtkSpinButton*, gdouble* new_value, gpointer widget)
+    {
+        GtkInstanceSpinButton* pThis = static_cast<GtkInstanceSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        int result;
+        TriState eHandled = pThis->signal_input(&result);
+        if (eHandled == TRISTATE_INDET)
+            return 0;
+        if (eHandled == TRISTATE_TRUE)
+        {
+            *new_value = pThis->toGtk(result);
+            return 1;
+        }
+        return GTK_INPUT_ERROR;
+    }
+
+    virtual void signal_activate() override
+    {
+        bool bActivateDestroy(false);
+        gulong nDestroySignalId = g_signal_connect(m_pButton, "destroy", G_CALLBACK(signalDestroyFlag), &bActivateDestroy);
+        gtk_spin_button_update(m_pButton);
+        if (bActivateDestroy)
+            return;
+        g_signal_handler_disconnect(m_pButton, nDestroySignalId);
+        GtkInstanceEditable::signal_activate();
+    }
+
+    double toGtk(sal_Int64 nValue) const
+    {
+        return static_cast<double>(nValue) / Power10(get_digits());
+    }
+
+    sal_Int64 fromGtk(double fValue) const
+    {
+        return FRound(fValue * Power10(get_digits()));
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalScroll(GtkWidget* pWidget, GdkEventScroll* /*pEvent*/, gpointer /*widget*/)
+    {
+        // tdf#149823 follow WheelBehavior setting, so if we don't have focus
+        // we don't react to the scroll-event.
+        MouseWheelBehaviour nWheelBehavior(Application::GetSettings().GetMouseSettings().GetWheelBehavior());
+        switch (nWheelBehavior)
+        {
+            case MouseWheelBehaviour::ALWAYS:
+                break;
+            case MouseWheelBehaviour::Disable:
+                g_signal_stop_emission_by_name(pWidget, "scroll-event");
+                break;
+            case MouseWheelBehaviour::FocusOnly:
+                if (!gtk_widget_has_focus(pWidget))
+                    g_signal_stop_emission_by_name(pWidget, "scroll-event");
+                break;
+        }
+        return false;
+    }
+#endif
+
+public:
+    GtkInstanceSpinButton(GtkSpinButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceEditable(GTK_WIDGET(pButton), pBuilder, bTakeOwnership)
+        , m_pButton(pButton)
+        , m_nValueChangedSignalId(g_signal_connect(pButton, "value-changed", G_CALLBACK(signalValueChanged), this))
+        , m_nOutputSignalId(g_signal_connect(pButton, "output", G_CALLBACK(signalOutput), this))
+        , m_nInputSignalId(g_signal_connect(pButton, "input", G_CALLBACK(signalInput), this))
+        , m_bFormatting(false)
+        , m_bBlockOutput(false)
+        , m_bBlank(false)
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+          gtk_text_set_activates_default(GTK_TEXT(m_pDelegate), true);
+#endif
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_connect(pButton, "scroll-event", G_CALLBACK(signalScroll), this);
+#endif
+    }
+
+    virtual sal_Int64 get_value() const override
+    {
+        return fromGtk(gtk_spin_button_get_value(m_pButton));
+    }
+
+    virtual void set_value(sal_Int64 value) override
+    {
+        disable_notify_events();
+        m_bBlank = false;
+        gtk_spin_button_set_value(m_pButton, toGtk(value));
+        enable_notify_events();
+    }
+
+    virtual void set_text(const OUString& rText) override
+    {
+        disable_notify_events();
+        // tdf#122786 if we're just formatting a value, then we're done,
+        // however if set_text has been called directly we want to update our
+        // value from this new text, but don't want to reformat with that value
+        if (!m_bFormatting)
+        {
+#if GTK_CHECK_VERSION(4, 0, 0)
+            gtk_editable_set_text(m_pEditable, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#else
+            gtk_entry_set_text(GTK_ENTRY(m_pButton), OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+
+            m_bBlockOutput = true;
+            gtk_spin_button_update(m_pButton);
+            m_bBlank = rText.isEmpty();
+            m_bBlockOutput = false;
+        }
+        else
+        {
+            bool bKeepBlank = m_bBlank && get_value() == 0;
+            if (!bKeepBlank)
+            {
+#if GTK_CHECK_VERSION(4, 0, 0)
+                gtk_editable_set_text(m_pEditable, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#else
+                gtk_entry_set_text(GTK_ENTRY(m_pButton), OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+#endif
+                m_bBlank = false;
+            }
+        }
+        enable_notify_events();
+    }
+
+    virtual void set_range(sal_Int64 min, sal_Int64 max) override
+    {
+        disable_notify_events();
+        gtk_spin_button_set_range(m_pButton, toGtk(min), toGtk(max));
+        enable_notify_events();
+    }
+
+    virtual void get_range(sal_Int64& min, sal_Int64& max) const override
+    {
+        double gtkmin, gtkmax;
+        gtk_spin_button_get_range(m_pButton, &gtkmin, &gtkmax);
+        min = fromGtk(gtkmin);
+        max = fromGtk(gtkmax);
+    }
+
+    virtual void set_increments(int step, int page) override
+    {
+        disable_notify_events();
+        gtk_spin_button_set_increments(m_pButton, toGtk(step), toGtk(page));
+        enable_notify_events();
+    }
+
+    virtual void get_increments(int& step, int& page) const override
+    {
+        double gtkstep, gtkpage;
+        gtk_spin_button_get_increments(m_pButton, &gtkstep, &gtkpage);
+        step = fromGtk(gtkstep);
+        page = fromGtk(gtkpage);
+    }
+
+    virtual void set_digits(unsigned int digits) override
+    {
+        disable_notify_events();
+        gtk_spin_button_set_digits(m_pButton, digits);
+        enable_notify_events();
+    }
+
+    virtual unsigned int get_digits() const override
+    {
+        return gtk_spin_button_get_digits(m_pButton);
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"spinbutton");
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pButton, m_nValueChangedSignalId);
+        GtkInstanceEditable::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceEditable::enable_notify_events();
+        g_signal_handler_unblock(m_pButton, m_nValueChangedSignalId);
+    }
+
+    virtual ~GtkInstanceSpinButton() override
+    {
+        g_signal_handler_disconnect(m_pButton, m_nInputSignalId);
+        g_signal_handler_disconnect(m_pButton, m_nOutputSignalId);
+        g_signal_handler_disconnect(m_pButton, m_nValueChangedSignalId);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceFormattedSpinButton : public GtkInstanceEditable, public virtual weld::FormattedSpinButton
+{
+private:
+    GtkSpinButton* m_pButton;
+    std::unique_ptr<weld::EntryFormatter> m_xOwnFormatter;
+    weld::EntryFormatter* m_pFormatter;
+    gulong m_nValueChangedSignalId;
+    gulong m_nOutputSignalId;
+    gulong m_nInputSignalId;
+    bool m_bEmptyField;
+    bool m_bSyncingValue;
+    double m_dValueWhenEmpty;
+
+    bool signal_output()
+    {
+        double fValue = gtk_spin_button_get_value(m_pButton);
+        m_bEmptyField &= fValue == m_dValueWhenEmpty;
+        if (!m_bEmptyField)
+            GetFormatter().SetValue(fValue);
+        return true;
+    }
+
+    static gboolean signalOutput(GtkSpinButton*, gpointer widget)
+    {
+        GtkInstanceFormattedSpinButton* pThis = static_cast<GtkInstanceFormattedSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_output();
+    }
+
+    gint signal_input(double* value)
+    {
+        Formatter& rFormatter = GetFormatter();
+        rFormatter.Modify();
+        // if the blank-mode is enabled then if the input is empty don't parse
+        // the input but keep the value as it is. store what the value the
+        // blank is associated with and until the value is changed, or the text
+        // is updated from the outside, don't output that value
+        m_bEmptyField = rFormatter.IsEmptyFieldEnabled() && get_text().isEmpty();
+        if (m_bEmptyField)
+        {
+            m_dValueWhenEmpty = gtk_spin_button_get_value(m_pButton);
+            *value = m_dValueWhenEmpty;
+        }
+        else
+            *value = rFormatter.GetValue();
+        return 1;
+    }
+
+    static gint signalInput(GtkSpinButton*, gdouble* new_value, gpointer widget)
+    {
+        GtkInstanceFormattedSpinButton* pThis = static_cast<GtkInstanceFormattedSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_input(new_value);
+    }
+
+    static void signalValueChanged(GtkSpinButton*, gpointer widget)
+    {
+        GtkInstanceFormattedSpinButton* pThis = static_cast<GtkInstanceFormattedSpinButton*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_value_changed();
+    }
+
+public:
+    GtkInstanceFormattedSpinButton(GtkSpinButton* pButton, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceEditable(GTK_WIDGET(pButton), pBuilder, bTakeOwnership)
+        , m_pButton(pButton)
+        , m_pFormatter(nullptr)
+        , m_nValueChangedSignalId(g_signal_connect(pButton, "value-changed", G_CALLBACK(signalValueChanged), this))
+        , m_nOutputSignalId(g_signal_connect(pButton, "output", G_CALLBACK(signalOutput), this))
+        , m_nInputSignalId(g_signal_connect(pButton, "input", G_CALLBACK(signalInput), this))
+        , m_bEmptyField(false)
+        , m_bSyncingValue(false)
+        , m_dValueWhenEmpty(0.0)
+    {
+    }
+
+    virtual void set_text(const OUString& rText) override
+    {
+        GtkInstanceEditable::set_text(rText);
+        Formatter& rFormatter = GetFormatter();
+        m_bEmptyField = rFormatter.IsEmptyFieldEnabled() && rText.isEmpty();
+        if (m_bEmptyField)
+            m_dValueWhenEmpty = gtk_spin_button_get_value(m_pButton);
+    }
+
+    virtual void connect_changed(const Link<weld::Entry&, void>& rLink) override
+    {
+        if (!m_pFormatter) // once a formatter is set, it takes over "changed"
+        {
+            GtkInstanceEditable::connect_changed(rLink);
+            return;
+        }
+        m_pFormatter->connect_changed(rLink);
+    }
+
+    virtual void connect_focus_out(const Link<weld::Widget&, void>& rLink) override
+    {
+        if (!m_pFormatter) // once a formatter is set, it takes over "focus-out"
+        {
+            GtkInstanceEditable::connect_focus_out(rLink);
+            return;
+        }
+        m_pFormatter->connect_focus_out(rLink);
+    }
+
+    virtual void SetFormatter(weld::EntryFormatter* pFormatter) override
+    {
+        m_xOwnFormatter.reset();
+        m_pFormatter = pFormatter;
+        sync_range_from_formatter();
+        sync_value_from_formatter();
+        sync_increments_from_formatter();
+    }
+
+    virtual weld::EntryFormatter& GetFormatter() override
+    {
+        if (!m_pFormatter)
+        {
+            auto aFocusOutHdl = m_aFocusOutHdl;
+            m_aFocusOutHdl = Link<weld::Widget&, void>();
+            auto aChangeHdl = m_aChangeHdl;
+            m_aChangeHdl = Link<weld::Entry&, void>();
+
+            double fValue = gtk_spin_button_get_value(m_pButton);
+            double fMin, fMax;
+            gtk_spin_button_get_range(m_pButton, &fMin, &fMax);
+            double fStep;
+            gtk_spin_button_get_increments(m_pButton, &fStep, nullptr);
+            m_xOwnFormatter.reset(new weld::EntryFormatter(*this));
+            m_xOwnFormatter->SetMinValue(fMin);
+            m_xOwnFormatter->SetMaxValue(fMax);
+            m_xOwnFormatter->SetSpinSize(fStep);
+            m_xOwnFormatter->SetValue(fValue);
+
+            m_xOwnFormatter->connect_focus_out(aFocusOutHdl);
+            m_xOwnFormatter->connect_changed(aChangeHdl);
+
+            m_pFormatter = m_xOwnFormatter.get();
+        }
+        return *m_pFormatter;
+    }
+
+    virtual void sync_value_from_formatter() override
+    {
+        if (!m_pFormatter)
+            return;
+        // tdf#135317 avoid reenterence
+        if (m_bSyncingValue)
+            return;
+        m_bSyncingValue = true;
+        disable_notify_events();
+        // tdf#138519 use gtk_adjustment_set_value instead of gtk_spin_button_set_value because the
+        // latter doesn't change the value if the new value is less than an EPSILON diff of 1e-10
+        // from the old value
+        gtk_adjustment_set_value(gtk_spin_button_get_adjustment(m_pButton), m_pFormatter->GetValue());
+        enable_notify_events();
+        m_bSyncingValue = false;
+    }
+
+    virtual void sync_range_from_formatter() override
+    {
+        if (!m_pFormatter)
+            return;
+        disable_notify_events();
+        double fMin = m_pFormatter->HasMinValue() ? m_pFormatter->GetMinValue() : std::numeric_limits<double>::lowest();
+        double fMax = m_pFormatter->HasMaxValue() ? m_pFormatter->GetMaxValue() : std::numeric_limits<double>::max();
+        gtk_spin_button_set_range(m_pButton, fMin, fMax);
+        enable_notify_events();
+    }
+
+    virtual void sync_increments_from_formatter() override
+    {
+        if (!m_pFormatter)
+            return;
+        disable_notify_events();
+        double fSpinSize = m_pFormatter->GetSpinSize();
+        gtk_spin_button_set_increments(m_pButton, fSpinSize, fSpinSize * 10);
+        enable_notify_events();
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"spinbutton");
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pButton, m_nValueChangedSignalId);
+        GtkInstanceEditable::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceEditable::enable_notify_events();
+        g_signal_handler_unblock(m_pButton, m_nValueChangedSignalId);
+    }
+
+    virtual ~GtkInstanceFormattedSpinButton() override
+    {
+        g_signal_handler_disconnect(m_pButton, m_nInputSignalId);
+        g_signal_handler_disconnect(m_pButton, m_nOutputSignalId);
+        g_signal_handler_disconnect(m_pButton, m_nValueChangedSignalId);
+
+        m_pFormatter = nullptr;
+        m_xOwnFormatter.reset();
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceLabel : public GtkInstanceWidget, public virtual weld::Label
+{
+private:
+    GtkLabel* m_pLabel;
+
+    void set_text_background_color(const Color& rColor)
+    {
+        guint16 nRed = rColor.GetRed() << 8;
+        guint16 nGreen = rColor.GetGreen() << 8;
+        guint16 nBlue = rColor.GetBlue() << 8;
+
+        PangoAttrType aFilterAttrs[] = {PANGO_ATTR_BACKGROUND, PANGO_ATTR_INVALID};
+
+        PangoAttrList* pOrigList = gtk_label_get_attributes(m_pLabel);
+        PangoAttrList* pAttrs = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+        PangoAttrList* pRemovedAttrs = pOrigList ? pango_attr_list_filter(pAttrs, filter_pango_attrs, &aFilterAttrs) : nullptr;
+        pango_attr_list_insert(pAttrs, pango_attr_background_new(nRed, nGreen, nBlue));
+        gtk_label_set_attributes(m_pLabel, pAttrs);
+        pango_attr_list_unref(pAttrs);
+        pango_attr_list_unref(pRemovedAttrs);
+    }
+
+    void set_text_foreground_color(const Color& rColor, bool bSetBold)
+    {
+        guint16 nRed = rColor.GetRed() << 8;
+        guint16 nGreen = rColor.GetGreen() << 8;
+        guint16 nBlue = rColor.GetBlue() << 8;
+
+        PangoAttrType aFilterAttrs[] = {PANGO_ATTR_FOREGROUND, PANGO_ATTR_WEIGHT, PANGO_ATTR_INVALID};
+
+        if (!bSetBold)
+            aFilterAttrs[1] = PANGO_ATTR_INVALID;
+
+        PangoAttrList* pOrigList = gtk_label_get_attributes(m_pLabel);
+        PangoAttrList* pAttrs = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+        PangoAttrList* pRemovedAttrs = pOrigList ? pango_attr_list_filter(pAttrs, filter_pango_attrs, &aFilterAttrs) : nullptr;
+        if (rColor != COL_AUTO)
+            pango_attr_list_insert(pAttrs, pango_attr_foreground_new(nRed, nGreen, nBlue));
+        if (bSetBold)
+            pango_attr_list_insert(pAttrs, pango_attr_weight_new(PANGO_WEIGHT_BOLD));
+        gtk_label_set_attributes(m_pLabel, pAttrs);
+        pango_attr_list_unref(pAttrs);
+        pango_attr_list_unref(pRemovedAttrs);
+    }
+
+public:
+    GtkInstanceLabel(GtkLabel* pLabel, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pLabel), pBuilder, bTakeOwnership)
+        , m_pLabel(pLabel)
+    {
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        ::set_label(m_pLabel, rText);
+    }
+
+    virtual OUString get_label() const override
+    {
+        return ::get_label(m_pLabel);
+    }
+
+    virtual void set_mnemonic_widget(Widget* pTarget) override
+    {
+        assert(!gtk_label_get_selectable(m_pLabel) && "don't use set_mnemonic_widget on selectable labels, for consistency with gen backend");
+        GtkInstanceWidget* pTargetWidget = dynamic_cast<GtkInstanceWidget*>(pTarget);
+        gtk_label_set_mnemonic_widget(m_pLabel, pTargetWidget ? pTargetWidget->getWidget() : nullptr);
+    }
+
+    virtual void set_label_type(weld::LabelType eType) override
+    {
+        switch (eType)
+        {
+            case weld::LabelType::Normal:
+                gtk_label_set_attributes(m_pLabel, nullptr);
+                break;
+            case weld::LabelType::Warning:
+                set_text_background_color(Application::GetSettings().GetStyleSettings().GetWarningColor());
+                break;
+            case weld::LabelType::Error:
+                set_text_background_color(Application::GetSettings().GetStyleSettings().GetHighlightColor());
+                break;
+            case weld::LabelType::Title:
+                set_text_foreground_color(Application::GetSettings().GetStyleSettings().GetLightColor(), true);
+                break;
+        }
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        ::set_font(m_pLabel, rFont);
+    }
+
+    virtual void set_font_color(const Color& rColor) override
+    {
+        set_text_foreground_color(rColor, false);
+    }
+};
+
+}
+
+std::unique_ptr<weld::Label> GtkInstanceFrame::weld_label_widget() const
+{
+    GtkWidget* pLabel = gtk_frame_get_label_widget(m_pFrame);
+    if (!pLabel || !GTK_IS_LABEL(pLabel))
+        return nullptr;
+    return std::make_unique<GtkInstanceLabel>(GTK_LABEL(pLabel), m_pBuilder, false);
+}
+
+namespace {
+
+GdkClipboard* widget_get_clipboard(GtkWidget* pWidget)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    return gtk_widget_get_clipboard(pWidget);
+#else
+    return gtk_widget_get_clipboard(pWidget, GDK_SELECTION_CLIPBOARD);
+#endif
+}
+
+class GtkInstanceTextView : public GtkInstanceWidget, public virtual weld::TextView
+{
+private:
+    GtkTextView* m_pTextView;
+    GtkTextBuffer* m_pTextBuffer;
+    GtkAdjustment* m_pVAdjustment;
+    GtkCssProvider* m_pFgCssProvider;
+    WidgetFont m_aCustomFont;
+    int m_nMaxTextLength;
+    gulong m_nChangedSignalId; // we don't disable/enable this one, it's to implement max-length
+    gulong m_nInsertTextSignalId;
+    gulong m_nCursorPosSignalId;
+    gulong m_nHasSelectionSignalId; // we don't disable/enable this one, it's to implement
+                                    // auto-scroll to cursor on losing selection
+    gulong m_nVAdjustChangedSignalId;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nButtonPressEvent; // we don't disable/enable this one, it's to block mouse
+                                // click down from getting to (potential) toplevel
+                                // GtkSalFrame parent, which grabs focus away
+
+    static gboolean signalButtonPressEvent(GtkWidget*, GdkEventButton*, gpointer)
+    {
+        // e.g. on clicking on the help TextView in OTableDesignHelpBar the currently displayed text shouldn't disappear
+        return true;
+    }
+#endif
+
+    static void signalChanged(GtkTextBuffer*, gpointer widget)
+    {
+        GtkInstanceTextView* pThis = static_cast<GtkInstanceTextView*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_changed();
+    }
+
+    static void signalInserText(GtkTextBuffer *pBuffer, GtkTextIter *pLocation, gchar* /*pText*/, gint /*nLen*/, gpointer widget)
+    {
+        GtkInstanceTextView* pThis = static_cast<GtkInstanceTextView*>(widget);
+        pThis->insert_text(pBuffer, pLocation);
+    }
+
+    void insert_text(GtkTextBuffer *pBuffer, GtkTextIter *pLocation)
+    {
+        if (m_nMaxTextLength)
+        {
+            gint nCount = gtk_text_buffer_get_char_count(pBuffer);
+            if (nCount > m_nMaxTextLength)
+            {
+                GtkTextIter nStart, nEnd;
+                gtk_text_buffer_get_iter_at_offset(m_pTextBuffer, &nStart, m_nMaxTextLength);
+                gtk_text_buffer_get_end_iter(m_pTextBuffer, &nEnd);
+                gtk_text_buffer_delete(m_pTextBuffer, &nStart, &nEnd);
+                gtk_text_iter_assign(pLocation, &nStart);
+            }
+        }
+    }
+
+    static void signalCursorPosition(GtkTextBuffer*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceTextView* pThis = static_cast<GtkInstanceTextView*>(widget);
+        pThis->signal_cursor_position();
+    }
+
+    static void signalHasSelection(GtkTextBuffer*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceTextView* pThis = static_cast<GtkInstanceTextView*>(widget);
+        pThis->signal_has_selection();
+    }
+
+    void signal_has_selection()
+    {
+        /*
+          in the data browser (Data Sources, shift+ctrl+f4), entering a
+          multiline cell selects all, on cursoring to the right, the selection
+          is lost and the cursor is at the end but gtk doesn't auto-scroll to
+          the cursor so if the text needs scrolling to see the cursor it is off
+          screen, another cursor makes gtk auto-scroll as wanted. So on losing
+          selection help gtk out and do the initial scroll ourselves here
+        */
+        if (!gtk_text_buffer_get_has_selection(m_pTextBuffer))
+        {
+            GtkTextMark* pMark = gtk_text_buffer_get_insert(m_pTextBuffer);
+            gtk_text_view_scroll_mark_onscreen(m_pTextView, pMark);
+        }
+    }
+
+    static void signalVAdjustValueChanged(GtkAdjustment*, gpointer widget)
+    {
+        GtkInstanceTextView* pThis = static_cast<GtkInstanceTextView*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_vadjustment_changed();
+    }
+
+public:
+    GtkInstanceTextView(GtkTextView* pTextView, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pTextView), pBuilder, bTakeOwnership)
+        , m_pTextView(pTextView)
+        , m_pTextBuffer(gtk_text_view_get_buffer(pTextView))
+        , m_pVAdjustment(gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(pTextView)))
+        , m_pFgCssProvider(nullptr)
+        , m_aCustomFont(m_pWidget)
+        , m_nMaxTextLength(0)
+        , m_nChangedSignalId(g_signal_connect(m_pTextBuffer, "changed", G_CALLBACK(signalChanged), this))
+        , m_nInsertTextSignalId(g_signal_connect_after(m_pTextBuffer, "insert-text", G_CALLBACK(signalInserText), this))
+        , m_nCursorPosSignalId(g_signal_connect(m_pTextBuffer, "notify::cursor-position", G_CALLBACK(signalCursorPosition), this))
+        , m_nHasSelectionSignalId(g_signal_connect(m_pTextBuffer, "notify::has-selection", G_CALLBACK(signalHasSelection), this))
+        , m_nVAdjustChangedSignalId(g_signal_connect(m_pVAdjustment, "value-changed", G_CALLBACK(signalVAdjustValueChanged), this))
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nButtonPressEvent(g_signal_connect_after(m_pTextView, "button-press-event", G_CALLBACK(signalButtonPressEvent), this))
+#endif
+    {
+    }
+
+    virtual void set_size_request(int nWidth, int nHeight) override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+        {
+            gtk_scrolled_window_set_min_content_width(GTK_SCROLLED_WINDOW(pParent), nWidth);
+            gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(pParent), nHeight);
+            return;
+        }
+        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
+    }
+
+    virtual void set_text(const OUString& rText) override
+    {
+        disable_notify_events();
+        OString sText(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+        gtk_text_buffer_set_text(m_pTextBuffer, sText.getStr(), sText.getLength());
+        enable_notify_events();
+    }
+
+    virtual OUString get_text() const override
+    {
+        GtkTextIter start, end;
+        gtk_text_buffer_get_bounds(m_pTextBuffer, &start, &end);
+        char* pStr = gtk_text_buffer_get_text(m_pTextBuffer, &start, &end, true);
+        OUString sRet(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+        g_free(pStr);
+        return sRet;
+    }
+
+    virtual void replace_selection(const OUString& rText) override
+    {
+        disable_notify_events();
+        gtk_text_buffer_delete_selection(m_pTextBuffer, false, gtk_text_view_get_editable(m_pTextView));
+        OString sText(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+        gtk_text_buffer_insert_at_cursor(m_pTextBuffer, sText.getStr(), sText.getLength());
+        enable_notify_events();
+    }
+
+    virtual bool get_selection_bounds(int& rStartPos, int& rEndPos) override
+    {
+        GtkTextIter start, end;
+        gtk_text_buffer_get_selection_bounds(m_pTextBuffer, &start, &end);
+        rStartPos = gtk_text_iter_get_offset(&start);
+        rEndPos = gtk_text_iter_get_offset(&end);
+        return rStartPos != rEndPos;
+    }
+
+    virtual void select_region(int nStartPos, int nEndPos) override
+    {
+        disable_notify_events();
+        GtkTextIter start, end;
+        gtk_text_buffer_get_iter_at_offset(m_pTextBuffer, &start, nStartPos);
+        gtk_text_buffer_get_iter_at_offset(m_pTextBuffer, &end, nEndPos);
+        gtk_text_buffer_select_range(m_pTextBuffer, &start, &end);
+        GtkTextMark* mark = gtk_text_buffer_create_mark(m_pTextBuffer, "scroll", &end, true);
+        gtk_text_view_scroll_mark_onscreen(m_pTextView, mark);
+        enable_notify_events();
+    }
+
+    virtual void set_editable(bool bEditable) override
+    {
+        gtk_text_view_set_editable(m_pTextView, bEditable);
+    }
+
+    virtual bool get_editable() const override
+    {
+        return gtk_text_view_get_editable(m_pTextView);
+    }
+
+    virtual void set_max_length(int nChars) override
+    {
+        m_nMaxTextLength = nChars;
+    }
+
+    virtual void set_monospace(bool bMonospace) override
+    {
+        gtk_text_view_set_monospace(m_pTextView, bMonospace);
+    }
+
+    virtual void set_font_color(const Color& rColor) override
+    {
+        const bool bRemoveColor = rColor == COL_AUTO;
+        if (bRemoveColor && !m_pFgCssProvider)
+            return;
+        GtkStyleContext *pWidgetContext = gtk_widget_get_style_context(GTK_WIDGET(m_pTextView));
+        if (m_pFgCssProvider)
+        {
+            gtk_style_context_remove_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pFgCssProvider));
+            m_pFgCssProvider = nullptr;
+        }
+        if (bRemoveColor)
+            return;
+        OUString sColor = rColor.AsRGBHexString();
+        m_pFgCssProvider = gtk_css_provider_new();
+        OUString aBuffer = "textview text { color: #" + sColor + "; }";
+        OString aResult = OUStringToOString(aBuffer, RTL_TEXTENCODING_UTF8);
+        css_provider_load_from_data(m_pFgCssProvider, aResult.getStr(), aResult.getLength());
+        gtk_style_context_add_provider(pWidgetContext, GTK_STYLE_PROVIDER(m_pFgCssProvider),
+                                       GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"textview");
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (const vcl::Font* pFont = m_aCustomFont.get_custom_font())
+            return *pFont;
+        return GtkInstanceWidget::get_font();
+    }
+
+    virtual void disable_notify_events() override
+    {
+        g_signal_handler_block(m_pVAdjustment, m_nVAdjustChangedSignalId);
+        g_signal_handler_block(m_pTextBuffer, m_nCursorPosSignalId);
+        g_signal_handler_block(m_pTextBuffer, m_nChangedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pTextBuffer, m_nChangedSignalId);
+        g_signal_handler_unblock(m_pTextBuffer, m_nCursorPosSignalId);
+        g_signal_handler_unblock(m_pVAdjustment, m_nVAdjustChangedSignalId);
+    }
+
+    // in gtk, 'up' when on the first line, will jump to the start of the line
+    // if not there already
+    virtual bool can_move_cursor_with_up() const override
+    {
+        GtkTextIter start, end;
+        gtk_text_buffer_get_selection_bounds(m_pTextBuffer, &start, &end);
+        return !gtk_text_iter_equal(&start, &end) || !gtk_text_iter_is_start(&start);
+    }
+
+    // in gtk, 'down' when on the first line, will jump to the end of the line
+    // if not there already
+    virtual bool can_move_cursor_with_down() const override
+    {
+        GtkTextIter start, end;
+        gtk_text_buffer_get_selection_bounds(m_pTextBuffer, &start, &end);
+        return !gtk_text_iter_equal(&start, &end) || !gtk_text_iter_is_end(&end);
+    }
+
+    virtual void cut_clipboard() override
+    {
+        GdkClipboard *pClipboard = widget_get_clipboard(GTK_WIDGET(m_pTextView));
+        gtk_text_buffer_cut_clipboard(m_pTextBuffer, pClipboard, get_editable());
+    }
+
+    virtual void copy_clipboard() override
+    {
+        GdkClipboard *pClipboard = widget_get_clipboard(GTK_WIDGET(m_pTextView));
+        gtk_text_buffer_copy_clipboard(m_pTextBuffer, pClipboard);
+    }
+
+    virtual void paste_clipboard() override
+    {
+        GdkClipboard *pClipboard = widget_get_clipboard(GTK_WIDGET(m_pTextView));
+        gtk_text_buffer_paste_clipboard(m_pTextBuffer, pClipboard, nullptr, get_editable());
+    }
+
+    virtual void set_alignment(TxtAlign eXAlign) override
+    {
+        GtkJustification eJust = GTK_JUSTIFY_LEFT;
+        switch (eXAlign)
+        {
+            case TxtAlign::Left:
+                eJust = GTK_JUSTIFY_LEFT;
+                break;
+            case TxtAlign::Center:
+                eJust = GTK_JUSTIFY_CENTER;
+                break;
+            case TxtAlign::Right:
+                eJust = GTK_JUSTIFY_RIGHT;
+                break;
+        }
+        gtk_text_view_set_justification(m_pTextView, eJust);
+    }
+
+    virtual int vadjustment_get_value() const override
+    {
+        return gtk_adjustment_get_value(m_pVAdjustment);
+    }
+
+    virtual void vadjustment_set_value(int value) override
+    {
+        disable_notify_events();
+        gtk_adjustment_set_value(m_pVAdjustment, value);
+        enable_notify_events();
+    }
+
+    virtual int vadjustment_get_upper() const override
+    {
+         return gtk_adjustment_get_upper(m_pVAdjustment);
+    }
+
+    virtual int vadjustment_get_lower() const override
+    {
+         return gtk_adjustment_get_lower(m_pVAdjustment);
+    }
+
+    virtual int vadjustment_get_page_size() const override
+    {
+        return gtk_adjustment_get_page_size(m_pVAdjustment);
+    }
+
+    virtual void show() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_show(pParent);
+        gtk_widget_show(m_pWidget);
+    }
+
+    virtual void hide() override
+    {
+        GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+        if (GTK_IS_SCROLLED_WINDOW(pParent))
+            gtk_widget_hide(pParent);
+        gtk_widget_hide(m_pWidget);
+    }
+
+    virtual ~GtkInstanceTextView() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pTextView, m_nButtonPressEvent);
+#endif
+        g_signal_handler_disconnect(m_pVAdjustment, m_nVAdjustChangedSignalId);
+        g_signal_handler_disconnect(m_pTextBuffer, m_nInsertTextSignalId);
+        g_signal_handler_disconnect(m_pTextBuffer, m_nChangedSignalId);
+        g_signal_handler_disconnect(m_pTextBuffer, m_nCursorPosSignalId);
+        g_signal_handler_disconnect(m_pTextBuffer, m_nHasSelectionSignalId);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceDrawingArea;
+
+// IMHandler
+class IMHandler
+{
+private:
+    GtkInstanceDrawingArea* m_pArea;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkEventController* m_pFocusController;
+#endif
+    GtkIMContext* m_pIMContext;
+    OUString m_sPreeditText;
+    gulong m_nFocusInSignalId;
+    gulong m_nFocusOutSignalId;
+    bool m_bExtTextInput;
+
+public:
+    IMHandler(GtkInstanceDrawingArea* pArea);
+
+    void signalFocus(bool bIn);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalFocusIn(GtkEventControllerFocus*, gpointer im_handler);
+#else
+    static gboolean signalFocusIn(GtkWidget*, GdkEvent*, gpointer im_handler);
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalFocusOut(GtkEventControllerFocus*, gpointer im_handler);
+#else
+    static gboolean signalFocusOut(GtkWidget*, GdkEvent*, gpointer im_handler);
+#endif
+
+    ~IMHandler();
+
+    void updateIMSpotLocation();
+
+    void set_cursor_location(const tools::Rectangle& rRect);
+
+    static void signalIMCommit(GtkIMContext* /*pContext*/, gchar* pText, gpointer im_handler);
+
+    static void signalIMPreeditChanged(GtkIMContext* pIMContext, gpointer im_handler);
+
+    static gboolean signalIMRetrieveSurrounding(GtkIMContext* pContext, gpointer im_handler);
+
+    static gboolean signalIMDeleteSurrounding(GtkIMContext*, gint nOffset, gint nChars,
+        gpointer im_handler);
+
+    void StartExtTextInput();
+
+    static void signalIMPreeditStart(GtkIMContext*, gpointer im_handler);
+
+    void EndExtTextInput();
+
+    static void signalIMPreeditEnd(GtkIMContext*, gpointer im_handler);
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool im_context_filter_keypress(const GdkEventKey* pEvent);
+#endif
+};
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+AtkObject* (*default_drawing_area_get_accessible)(GtkWidget *widget);
+#endif
+
+class GtkInstanceDrawingArea : public GtkInstanceWidget, public virtual weld::DrawingArea
+{
+private:
+    GtkDrawingArea* m_pDrawingArea;
+    a11yref m_xAccessible;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    AtkObject *m_pAccessible;
+#endif
+    ScopedVclPtrInstance<VirtualDevice> m_xDevice;
+    std::unique_ptr<IMHandler> m_xIMHandler;
+    cairo_surface_t* m_pSurface;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nDrawSignalId;
+#endif
+    gulong m_nQueryTooltip;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nPopupMenu;
+    gulong m_nScrollEvent;
+#endif
+    GtkGesture *m_pZoomGesture;
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalDraw(GtkDrawingArea*, cairo_t *cr, int /*width*/, int /*height*/, gpointer widget)
+#else
+    static gboolean signalDraw(GtkWidget*, cairo_t* cr, gpointer widget)
+#endif
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_draw(cr);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        return false;
+#endif
+    }
+    void signal_draw(cairo_t* cr)
+    {
+        if (!m_pSurface)
+            return;
+
+        GdkRectangle rect;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        double clip_x1, clip_x2, clip_y1, clip_y2;
+        cairo_clip_extents(cr, &clip_x1, &clip_y1, &clip_x2, &clip_y2);
+        rect.x = clip_x1;
+        rect.y = clip_y1;
+        rect.width = clip_x2 - clip_x1;
+        rect.height = clip_y2 - clip_y1;
+        if (rect.width <= 0 || rect.height <= 0)
+            return;
+#else
+        if (!gdk_cairo_get_clip_rectangle(cr, &rect))
+            return;
+#endif
+
+        tools::Rectangle aRect(Point(rect.x, rect.y), Size(rect.width, rect.height));
+        aRect = m_xDevice->PixelToLogic(aRect);
+        m_xDevice->Erase(aRect);
+        m_aDrawHdl.Call(std::pair<vcl::RenderContext&, const tools::Rectangle&>(*m_xDevice, aRect));
+        cairo_surface_mark_dirty(m_pSurface);
+
+        cairo_set_source_surface(cr, m_pSurface, 0, 0);
+        cairo_paint(cr);
+
+        tools::Rectangle aFocusRect(m_aGetFocusRectHdl.Call(*this));
+        if (!aFocusRect.IsEmpty())
+        {
+            gtk_render_focus(gtk_widget_get_style_context(GTK_WIDGET(m_pDrawingArea)), cr,
+                             aFocusRect.Left(), aFocusRect.Top(), aFocusRect.GetWidth(), aFocusRect.GetHeight());
+        }
+    }
+    virtual void signal_size_allocate(guint nWidth, guint nHeight) override
+    {
+        Size aNewSize(nWidth, nHeight);
+        if (m_pSurface && aNewSize == m_xDevice->GetOutputSizePixel())
+        {
+            // unchanged
+            return;
+        }
+        m_xDevice->SetOutputSizePixel(Size(nWidth, nHeight));
+        m_pSurface = get_underlying_cairo_surface(*m_xDevice);
+        GtkInstanceWidget::signal_size_allocate(nWidth, nHeight);
+    }
+    static gboolean signalQueryTooltip(GtkWidget* pGtkWidget, gint x, gint y,
+                                         gboolean /*keyboard_mode*/, GtkTooltip *tooltip,
+                                         gpointer widget)
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        tools::Rectangle aHelpArea(x, y);
+        OUString aTooltip = pThis->signal_query_tooltip(aHelpArea);
+        if (aTooltip.isEmpty())
+            return false;
+        gtk_tooltip_set_text(tooltip, OUStringToOString(aTooltip, RTL_TEXTENCODING_UTF8).getStr());
+        GdkRectangle aGdkHelpArea;
+        aGdkHelpArea.x = aHelpArea.Left();
+        aGdkHelpArea.y = aHelpArea.Top();
+        aGdkHelpArea.width = aHelpArea.GetWidth();
+        aGdkHelpArea.height = aHelpArea.GetHeight();
+        if (pThis->SwapForRTL())
+            aGdkHelpArea.x = gtk_widget_get_allocated_width(pGtkWidget) - aGdkHelpArea.width - 1 - aGdkHelpArea.x;
+        gtk_tooltip_set_tip_area(tooltip, &aGdkHelpArea);
+        return true;
+    }
+    virtual bool signal_popup_menu(const CommandEvent& rCEvt) override
+    {
+        return signal_command(rCEvt);
+    }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool signal_scroll(const GdkEventScroll* pEvent)
+    {
+        SalWheelMouseEvent aEvt(GtkSalFrame::GetWheelEvent(*pEvent));
+
+        if (SwapForRTL())
+            aEvt.mnX = gtk_widget_get_allocated_width(m_pWidget) - 1 - aEvt.mnX;
+
+        CommandWheelMode nMode;
+        sal_uInt16 nCode = aEvt.mnCode;
+        bool bHorz = aEvt.mbHorz;
+        if (nCode & KEY_MOD1)
+            nMode = CommandWheelMode::ZOOM;
+        else if (nCode & KEY_MOD2)
+            nMode = CommandWheelMode::DATAZOOM;
+        else
+        {
+            nMode = CommandWheelMode::SCROLL;
+            // #i85450# interpret shift-wheel as horizontal wheel action
+            if( (nCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2 | KEY_MOD3)) == KEY_SHIFT )
+                bHorz = true;
+        }
+
+        CommandWheelData aWheelData(aEvt.mnDelta, aEvt.mnNotchDelta, aEvt.mnScrollLines,
+                                    nMode, nCode, bHorz, aEvt.mbDeltaIsPixel);
+        CommandEvent aCEvt(Point(aEvt.mnX, aEvt.mnY), CommandEventId::Wheel, true, &aWheelData);
+        return m_aCommandHdl.Call(aCEvt);
+    }
+    static gboolean signalScroll(GtkWidget*, GdkEventScroll* pEvent, gpointer widget)
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        return pThis->signal_scroll(pEvent);
+    }
+#endif
+
+    bool handleSignalZoom(GtkGesture* gesture, GdkEventSequence* sequence,
+                          GestureEventZoomType eEventType)
+    {
+        gdouble x = 0;
+        gdouble y = 0;
+        gtk_gesture_get_point(gesture, sequence, &x, &y);
+
+        double fScaleDelta = gtk_gesture_zoom_get_scale_delta(GTK_GESTURE_ZOOM(gesture));
+
+        CommandGestureZoomData aGestureData(x, y, eEventType, fScaleDelta);
+        CommandEvent aCEvt(Point(x, y), CommandEventId::GestureZoom, true, &aGestureData);
+        return m_aCommandHdl.Call(aCEvt);
+    }
+
+    static bool signalZoomBegin(GtkGesture* gesture, GdkEventSequence* sequence, gpointer widget)
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        return pThis->handleSignalZoom(gesture, sequence, GestureEventZoomType::Begin);
+    }
+
+    static bool signalZoomUpdate(GtkGesture* gesture, GdkEventSequence* sequence, gpointer widget)
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        return pThis->handleSignalZoom(gesture, sequence, GestureEventZoomType::Update);
+    }
+
+    static bool signalZoomEnd(GtkGesture* gesture, GdkEventSequence* sequence, gpointer widget)
+    {
+        GtkInstanceDrawingArea* pThis = static_cast<GtkInstanceDrawingArea*>(widget);
+        return pThis->handleSignalZoom(gesture, sequence, GestureEventZoomType::End);
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalResize(GtkDrawingArea*, int nWidth, int nHeight, gpointer widget)
+    {
+        GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_size_allocate(nWidth, nHeight);
+    }
+#endif
+
+public:
+    GtkInstanceDrawingArea(GtkDrawingArea* pDrawingArea, GtkInstanceBuilder* pBuilder, a11yref xA11y, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pDrawingArea), pBuilder, bTakeOwnership)
+        , m_pDrawingArea(pDrawingArea)
+        , m_xAccessible(std::move(xA11y))
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_pAccessible(nullptr)
+#endif
+        , m_xDevice(DeviceFormat::WITHOUT_ALPHA)
+        , m_pSurface(nullptr)
+        , m_nQueryTooltip(g_signal_connect(m_pDrawingArea, "query-tooltip", G_CALLBACK(signalQueryTooltip), this))
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nPopupMenu(g_signal_connect(m_pDrawingArea, "popup-menu", G_CALLBACK(signalPopupMenu), this))
+        , m_nScrollEvent(g_signal_connect(m_pDrawingArea, "scroll-event", G_CALLBACK(signalScroll), this))
+#endif
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_drawing_area_set_draw_func(m_pDrawingArea, signalDraw, this, nullptr);
+#else
+        m_nDrawSignalId = g_signal_connect(m_pDrawingArea, "draw", G_CALLBACK(signalDraw), this);
+        gtk_widget_add_events(GTK_WIDGET(pDrawingArea), GDK_TOUCHPAD_GESTURE_MASK);
+#endif
+
+        ensureMouseEventWidget();
+#if GTK_CHECK_VERSION(4,0,0)
+        m_pZoomGesture = gtk_gesture_zoom_new();
+        gtk_widget_add_controller(m_pMouseEventBox, GTK_EVENT_CONTROLLER(m_pZoomGesture));
+#else
+        m_pZoomGesture = gtk_gesture_zoom_new(m_pMouseEventBox);
+#endif
+        gtk_event_controller_set_propagation_phase(GTK_EVENT_CONTROLLER(m_pZoomGesture),
+                                                   GTK_PHASE_TARGET);
+        // Note that the default zoom gesture signal handler needs to run first to setup correct
+        // scale delta. Otherwise the first "begin" event will always contain scale delta of infinity.
+        g_signal_connect_after(m_pZoomGesture, "begin", G_CALLBACK(signalZoomBegin), this);
+        g_signal_connect_after(m_pZoomGesture, "update", G_CALLBACK(signalZoomUpdate), this);
+        g_signal_connect_after(m_pZoomGesture, "end", G_CALLBACK(signalZoomEnd), this);
+
+        gtk_widget_set_has_tooltip(m_pWidget, true);
+        g_object_set_data(G_OBJECT(m_pDrawingArea), "g-lo-GtkInstanceDrawingArea", this);
+        m_xDevice->EnableRTL(get_direction());
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    AtkObject* GetAtkObject(AtkObject* pDefaultAccessible)
+    {
+        if (!m_pAccessible && m_xAccessible.is())
+        {
+            GtkWidget* pParent = gtk_widget_get_parent(m_pWidget);
+            m_pAccessible = atk_object_wrapper_new(m_xAccessible, gtk_widget_get_accessible(pParent), pDefaultAccessible);
+            if (m_pAccessible)
+                g_object_ref(m_pAccessible);
+        }
+        return m_pAccessible;
+    }
+#endif
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    virtual void connect_size_allocate(const Link<const Size&, void>& rLink) override
+    {
+        m_nSizeAllocateSignalId = g_signal_connect(m_pWidget, "resize", G_CALLBACK(signalResize), this);
+        weld::Widget::connect_size_allocate(rLink);
+    }
+#endif
+
+    virtual void connect_mouse_press(const Link<const MouseEvent&, bool>& rLink) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!(gtk_widget_get_events(m_pWidget) & GDK_BUTTON_PRESS_MASK))
+            gtk_widget_add_events(m_pWidget, GDK_BUTTON_PRESS_MASK);
+#endif
+        GtkInstanceWidget::connect_mouse_press(rLink);
+    }
+
+    virtual void connect_mouse_release(const Link<const MouseEvent&, bool>& rLink) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (!(gtk_widget_get_events(m_pWidget) & GDK_BUTTON_RELEASE_MASK))
+            gtk_widget_add_events(m_pWidget, GDK_BUTTON_RELEASE_MASK);
+#endif
+        GtkInstanceWidget::connect_mouse_release(rLink);
+    }
+
+    virtual void set_direction(bool bRTL) override
+    {
+        GtkInstanceWidget::set_direction(bRTL);
+        m_xDevice->EnableRTL(bRTL);
+    }
+
+    virtual void set_cursor(PointerStyle ePointerStyle) override
+    {
+        GdkCursor *pCursor = GtkSalFrame::getDisplay()->getCursor(ePointerStyle);
+        if (!gtk_widget_get_realized(GTK_WIDGET(m_pDrawingArea)))
+            gtk_widget_realize(GTK_WIDGET(m_pDrawingArea));
+        widget_set_cursor(GTK_WIDGET(m_pDrawingArea), pCursor);
+    }
+
+    virtual Point get_pointer_position() const override
+    {
+        GdkDisplay *pDisplay = gtk_widget_get_display(m_pWidget);
+        GdkSeat* pSeat = gdk_display_get_default_seat(pDisplay);
+        GdkDevice* pPointer = gdk_seat_get_pointer(pSeat);
+        double x(-1), y(-1);
+        GdkSurface* pWin = widget_get_surface(m_pWidget);
+        surface_get_device_position(pWin, pPointer, x, y, nullptr);
+        return Point(x, y);
+    }
+
+    virtual void set_input_context(const InputContext& rInputContext) override;
+
+    virtual void im_context_set_cursor_location(const tools::Rectangle& rCursorRect, int nExtTextInputWidth) override;
+
+    int im_context_get_surrounding(OUString& rSurroundingText)
+    {
+        return signal_im_context_get_surrounding(rSurroundingText);
+    }
+
+    bool im_context_delete_surrounding(const Selection& rRange)
+    {
+        return signal_im_context_delete_surrounding(rRange);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    virtual bool do_signal_key_press(const GdkEventKey* pEvent) override;
+    virtual bool do_signal_key_release(const GdkEventKey* pEvent) override;
+#endif
+
+    virtual void queue_draw() override
+    {
+        gtk_widget_queue_draw(GTK_WIDGET(m_pDrawingArea));
+    }
+
+    virtual void queue_draw_area(int x, int y, int width, int height) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        tools::Rectangle aRect(Point(x, y), Size(width, height));
+        aRect = m_xDevice->LogicToPixel(aRect);
+        gtk_widget_queue_draw_area(GTK_WIDGET(m_pDrawingArea), aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight());
+#else
+        (void)x; (void)y; (void)width; (void)height;
+        queue_draw();
+#endif
+    }
+
+    virtual a11yref get_accessible_parent() override
+    {
+        //get_accessible_parent should only be needed for the vcl implementation,
+        //in the gtk impl the native AtkObject parent set via
+        //atk_object_wrapper_new(m_xAccessible, gtk_widget_get_accessible(pParent));
+        //should negate the need.
+        assert(false && "get_accessible_parent should only be called on a vcl impl");
+        return uno::Reference<css::accessibility::XAccessible>();
+    }
+
+    virtual a11yrelationset get_accessible_relation_set() override
+    {
+        //get_accessible_relation_set should only be needed for the vcl implementation,
+        //in the gtk impl the native equivalent should negate the need.
+        assert(false && "get_accessible_relation_set should only be called on a vcl impl");
+        return uno::Reference<css::accessibility::XAccessibleRelationSet>();
+    }
+
+    virtual AbsoluteScreenPixelPoint get_accessible_location_on_screen() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = default_drawing_area_get_accessible(m_pWidget);
+#endif
+        gint x(0), y(0);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (pAtkObject && ATK_IS_COMPONENT(pAtkObject))
+            atk_component_get_extents(ATK_COMPONENT(pAtkObject), &x, &y, nullptr, nullptr, ATK_XY_SCREEN);
+#endif
+        return AbsoluteScreenPixelPoint(x, y);
+    }
+
+    virtual void set_accessible_name(const OUString& rName) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = default_drawing_area_get_accessible(m_pWidget);
+        if (!pAtkObject)
+            return;
+        atk_object_set_name(pAtkObject, OUStringToOString(rName, RTL_TEXTENCODING_UTF8).getStr());
+#else
+        (void)rName;
+#endif
+    }
+
+    virtual OUString get_accessible_name() const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = default_drawing_area_get_accessible(m_pWidget);
+        const char* pStr = pAtkObject ? atk_object_get_name(pAtkObject) : nullptr;
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        return OUString();
+#endif
+    }
+
+    virtual OUString get_accessible_description() const override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        AtkObject* pAtkObject = default_drawing_area_get_accessible(m_pWidget);
+        const char* pStr = pAtkObject ? atk_object_get_description(pAtkObject) : nullptr;
+        return OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+#else
+        return OUString();
+#endif
+    }
+
+    virtual void enable_drag_source(rtl::Reference<TransferDataContainer>& rHelper, sal_uInt8 eDNDConstants) override
+    {
+        do_enable_drag_source(rHelper, eDNDConstants);
+    }
+
+    virtual bool do_signal_drag_begin(bool& rUnsetDragIcon) override
+    {
+        rUnsetDragIcon = false;
+        if (m_aDragBeginHdl.Call(*this))
+            return true;
+        return false;
+    }
+
+    virtual ~GtkInstanceDrawingArea() override
+    {
+#if GTK_CHECK_VERSION(4,0,0)
+        gtk_widget_remove_controller(m_pMouseEventBox, GTK_EVENT_CONTROLLER(m_pZoomGesture));
+#else
+        g_clear_object(&m_pZoomGesture);
+#endif
+
+        g_object_steal_data(G_OBJECT(m_pDrawingArea), "g-lo-GtkInstanceDrawingArea");
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (m_pAccessible)
+            g_object_unref(m_pAccessible);
+#endif
+        css::uno::Reference<css::lang::XComponent> xComp(m_xAccessible, css::uno::UNO_QUERY);
+        if (xComp.is())
+            xComp->dispose();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pDrawingArea, m_nScrollEvent);
+#endif
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pDrawingArea, m_nPopupMenu);
+#endif
+        g_signal_handler_disconnect(m_pDrawingArea, m_nQueryTooltip);
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_drawing_area_set_draw_func(m_pDrawingArea, nullptr, nullptr, nullptr);
+#else
+        g_signal_handler_disconnect(m_pDrawingArea, m_nDrawSignalId);
+#endif
+    }
+
+    virtual OutputDevice& get_ref_device() override
+    {
+        return *m_xDevice;
+    }
+
+    bool signal_command(const CommandEvent& rCEvt)
+    {
+        return m_aCommandHdl.Call(rCEvt);
+    }
+
+    virtual void click(const Point& rPos) override
+    {
+        MouseEvent aEvent(rPos);
+        m_aMousePressHdl.Call(aEvent);
+        m_aMouseReleaseHdl.Call(aEvent);
+    }
+};
+
+IMHandler::IMHandler(GtkInstanceDrawingArea* pArea)
+    : m_pArea(pArea)
+    , m_pIMContext(gtk_im_multicontext_new())
+    , m_bExtTextInput(false)
+{
+    GtkWidget* pWidget = m_pArea->getWidget();
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    m_pFocusController = gtk_event_controller_focus_new();
+    gtk_widget_add_controller(pWidget, m_pFocusController);
+
+    m_nFocusInSignalId = g_signal_connect(m_pFocusController, "enter", G_CALLBACK(signalFocusIn), this);
+    m_nFocusOutSignalId = g_signal_connect(m_pFocusController, "leave", G_CALLBACK(signalFocusOut), this);
+#else
+    m_nFocusInSignalId = g_signal_connect(pWidget, "focus-in-event", G_CALLBACK(signalFocusIn), this);
+    m_nFocusOutSignalId = g_signal_connect(pWidget, "focus-out-event", G_CALLBACK(signalFocusOut), this);
+#endif
+
+    g_signal_connect(m_pIMContext, "preedit-start", G_CALLBACK(signalIMPreeditStart), this);
+    g_signal_connect(m_pIMContext, "preedit-end", G_CALLBACK(signalIMPreeditEnd), this);
+    g_signal_connect(m_pIMContext, "commit", G_CALLBACK(signalIMCommit), this);
+    g_signal_connect(m_pIMContext, "preedit-changed", G_CALLBACK(signalIMPreeditChanged), this);
+    g_signal_connect(m_pIMContext, "retrieve-surrounding", G_CALLBACK(signalIMRetrieveSurrounding), this);
+    g_signal_connect(m_pIMContext, "delete-surrounding", G_CALLBACK(signalIMDeleteSurrounding), this);
+
+    if (!gtk_widget_get_realized(pWidget))
+        gtk_widget_realize(pWidget);
+    im_context_set_client_widget(m_pIMContext, pWidget);
+    if (gtk_widget_has_focus(m_pArea->getWidget()))
+        gtk_im_context_focus_in(m_pIMContext);
+}
+
+void IMHandler::signalFocus(bool bIn)
+{
+    if (bIn)
+        gtk_im_context_focus_in(m_pIMContext);
+    else
+        gtk_im_context_focus_out(m_pIMContext);
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+void IMHandler::signalFocusIn(GtkEventControllerFocus*, gpointer im_handler)
+#else
+gboolean IMHandler::signalFocusIn(GtkWidget*, GdkEvent*, gpointer im_handler)
+#endif
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+    pThis->signalFocus(true);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    return false;
+#endif
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+void IMHandler::signalFocusOut(GtkEventControllerFocus*, gpointer im_handler)
+#else
+gboolean IMHandler::signalFocusOut(GtkWidget*, GdkEvent*, gpointer im_handler)
+#endif
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+    pThis->signalFocus(false);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    return false;
+#endif
+}
+
+IMHandler::~IMHandler()
+{
+    EndExtTextInput();
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    g_signal_handler_disconnect(m_pFocusController, m_nFocusOutSignalId);
+    g_signal_handler_disconnect(m_pFocusController, m_nFocusInSignalId);
+#else
+    g_signal_handler_disconnect(m_pArea->getWidget(), m_nFocusOutSignalId);
+    g_signal_handler_disconnect(m_pArea->getWidget(), m_nFocusInSignalId);
+#endif
+
+    if (gtk_widget_has_focus(m_pArea->getWidget()))
+        gtk_im_context_focus_out(m_pIMContext);
+
+    // first give IC a chance to deinitialize
+    im_context_set_client_widget(m_pIMContext, nullptr);
+    // destroy old IC
+    g_object_unref(m_pIMContext);
+}
+
+void IMHandler::updateIMSpotLocation()
+{
+    CommandEvent aCEvt(Point(), CommandEventId::CursorPos);
+    // we expect set_cursor_location to get triggered by this
+    m_pArea->signal_command(aCEvt);
+}
+
+void IMHandler::set_cursor_location(const tools::Rectangle& rRect)
+{
+    GdkRectangle aArea{static_cast<int>(rRect.Left()), static_cast<int>(rRect.Top()),
+                       static_cast<int>(rRect.GetWidth()), static_cast<int>(rRect.GetHeight())};
+    gtk_im_context_set_cursor_location(m_pIMContext, &aArea);
+}
+
+void IMHandler::signalIMCommit(GtkIMContext* /*pContext*/, gchar* pText, gpointer im_handler)
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+
+    SolarMutexGuard aGuard;
+
+    // at least editeng expects to have seen a start before accepting a commit
+    pThis->StartExtTextInput();
+
+    OUString sText(pText, strlen(pText), RTL_TEXTENCODING_UTF8);
+    CommandExtTextInputData aData(sText, nullptr, sText.getLength(), 0, false);
+    CommandEvent aCEvt(Point(), CommandEventId::ExtTextInput, false, &aData);
+    pThis->m_pArea->signal_command(aCEvt);
+
+    pThis->updateIMSpotLocation();
+
+    pThis->EndExtTextInput();
+
+    pThis->m_sPreeditText.clear();
+}
+
+void IMHandler::signalIMPreeditChanged(GtkIMContext* pIMContext, gpointer im_handler)
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+
+    SolarMutexGuard aGuard;
+
+    sal_Int32 nCursorPos(0);
+    sal_uInt8 nCursorFlags(0);
+    std::vector<ExtTextInputAttr> aInputFlags;
+    OUString sText = GtkSalFrame::GetPreeditDetails(pIMContext, aInputFlags, nCursorPos, nCursorFlags);
+
+    // change from nothing to nothing -> do not start preedit e.g. this
+    // will activate input into a calc cell without user input
+    if (sText.isEmpty() && pThis->m_sPreeditText.isEmpty())
+        return;
+
+    pThis->m_sPreeditText = sText;
+
+    CommandExtTextInputData aData(sText, aInputFlags.data(), nCursorPos, nCursorFlags, false);
+    CommandEvent aCEvt(Point(), CommandEventId::ExtTextInput, false, &aData);
+    pThis->m_pArea->signal_command(aCEvt);
+
+    pThis->updateIMSpotLocation();
+}
+
+gboolean IMHandler::signalIMRetrieveSurrounding(GtkIMContext* pContext, gpointer im_handler)
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+
+    SolarMutexGuard aGuard;
+
+    OUString sSurroundingText;
+    int nCursorIndex = pThis->m_pArea->im_context_get_surrounding(sSurroundingText);
+
+    if (nCursorIndex != -1)
+    {
+        OString sUTF = OUStringToOString(sSurroundingText, RTL_TEXTENCODING_UTF8);
+        std::u16string_view sCursorText(sSurroundingText.subView(0, nCursorIndex));
+        gtk_im_context_set_surrounding(pContext, sUTF.getStr(), sUTF.getLength(),
+            OUStringToOString(sCursorText, RTL_TEXTENCODING_UTF8).getLength());
+    }
+
+    return true;
+}
+
+gboolean IMHandler::signalIMDeleteSurrounding(GtkIMContext*, gint nOffset, gint nChars,
+    gpointer im_handler)
+{
+    bool bRet = false;
+
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+
+    SolarMutexGuard aGuard;
+
+    OUString sSurroundingText;
+    sal_Int32 nCursorIndex = pThis->m_pArea->im_context_get_surrounding(sSurroundingText);
+
+    Selection aSelection = SalFrame::CalcDeleteSurroundingSelection(sSurroundingText, nCursorIndex, nOffset, nChars);
+    if (aSelection != Selection(SAL_MAX_UINT32, SAL_MAX_UINT32))
+        bRet = pThis->m_pArea->im_context_delete_surrounding(aSelection);
+    return bRet;
+}
+
+void IMHandler::StartExtTextInput()
+{
+    if (m_bExtTextInput)
+        return;
+    CommandEvent aCEvt(Point(), CommandEventId::StartExtTextInput);
+    m_pArea->signal_command(aCEvt);
+    m_bExtTextInput = true;
+}
+
+void IMHandler::signalIMPreeditStart(GtkIMContext*, gpointer im_handler)
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+    SolarMutexGuard aGuard;
+    pThis->StartExtTextInput();
+    pThis->updateIMSpotLocation();
+}
+
+void IMHandler::EndExtTextInput()
+{
+    if (!m_bExtTextInput)
+        return;
+    CommandEvent aCEvt(Point(), CommandEventId::EndExtTextInput);
+    m_pArea->signal_command(aCEvt);
+    m_bExtTextInput = false;
+}
+
+void IMHandler::signalIMPreeditEnd(GtkIMContext*, gpointer im_handler)
+{
+    IMHandler* pThis = static_cast<IMHandler*>(im_handler);
+    SolarMutexGuard aGuard;
+    pThis->updateIMSpotLocation();
+    pThis->EndExtTextInput();
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+bool IMHandler::im_context_filter_keypress(const GdkEventKey* pEvent)
+{
+    return gtk_im_context_filter_keypress(m_pIMContext, const_cast<GdkEventKey*>(pEvent));
+}
+#endif
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+bool GtkInstanceDrawingArea::do_signal_key_press(const GdkEventKey* pEvent)
+{
+    if (m_xIMHandler && m_xIMHandler->im_context_filter_keypress(pEvent))
+        return true;
+    return GtkInstanceWidget::do_signal_key_press(pEvent);
+}
+
+bool GtkInstanceDrawingArea::do_signal_key_release(const GdkEventKey* pEvent)
+{
+    if (m_xIMHandler && m_xIMHandler->im_context_filter_keypress(pEvent))
+        return true;
+    return GtkInstanceWidget::do_signal_key_release(pEvent);
+}
+#endif
+
+void GtkInstanceDrawingArea::set_input_context(const InputContext& rInputContext)
+{
+    bool bUseIm(rInputContext.GetOptions() & InputContextFlags::Text);
+    if (!bUseIm)
+    {
+        m_xIMHandler.reset();
+        return;
+    }
+    // create a new im context
+    if (!m_xIMHandler)
+        m_xIMHandler.reset(new IMHandler(this));
+}
+
+void GtkInstanceDrawingArea::im_context_set_cursor_location(const tools::Rectangle& rCursorRect, int /*nExtTextInputWidth*/)
+{
+    if (!m_xIMHandler)
+        return;
+    m_xIMHandler->set_cursor_location(rCursorRect);
+}
+
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+
+static void InsertSpecialChar(GtkEntry *pEntry)
+{
+    if (auto pImplFncGetSpecialChars = vcl::GetGetSpecialCharsFunction())
+    {
+        weld::Window* pDialogParent = nullptr;
+
+        GtkWidget* pTopLevel = widget_get_toplevel(GTK_WIDGET(pEntry));
+        if (GtkSalFrame* pFrame = pTopLevel ? GtkSalFrame::getFromWindow(pTopLevel) : nullptr)
+            pDialogParent = pFrame->GetFrameWeld();
+
+        std::unique_ptr<GtkInstanceWindow> xFrameWeld;
+        if (!pDialogParent && pTopLevel)
+        {
+            xFrameWeld.reset(new GtkInstanceWindow(GTK_WINDOW(pTopLevel), nullptr, false));
+            pDialogParent = xFrameWeld.get();
+        }
+
+        OUString aChars = pImplFncGetSpecialChars(pDialogParent, ::get_font(GTK_WIDGET(pEntry)));
+        if (!aChars.isEmpty())
+        {
+            gtk_editable_delete_selection(GTK_EDITABLE(pEntry));
+            gint position = gtk_editable_get_position(GTK_EDITABLE(pEntry));
+            OString sText(OUStringToOString(aChars, RTL_TEXTENCODING_UTF8));
+            gtk_editable_insert_text(GTK_EDITABLE(pEntry), sText.getStr(), sText.getLength(),
+                                     &position);
+            gtk_editable_set_position(GTK_EDITABLE(pEntry), position);
+        }
+    }
+}
+
+static gboolean signalEntryInsertSpecialCharKeyPress(GtkEntry* pEntry, GdkEventKey* pEvent, gpointer)
+{
+    if ((pEvent->keyval == GDK_KEY_S || pEvent->keyval == GDK_KEY_s) &&
+        (pEvent->state & GDK_MODIFIER_MASK) == static_cast<GdkModifierType>(GDK_SHIFT_MASK|GDK_CONTROL_MASK))
+    {
+        InsertSpecialChar(pEntry);
+        return true;
+    }
+    return false;
+}
+
+static void signalActivateEntryInsertSpecialChar(GtkEntry *pEntry)
+{
+    InsertSpecialChar(pEntry);
+}
+
+static void signalEntryPopulatePopup(GtkEntry* pEntry, GtkWidget* pMenu, gpointer)
+{
+    if (!GTK_IS_MENU(pMenu))
+        return;
+
+    if (!vcl::GetGetSpecialCharsFunction())
+        return;
+
+    GtkWidget *item = gtk_menu_item_new_with_mnemonic(MapToGtkAccelerator(VclResId(STR_SPECIAL_CHARACTER_MENU_ENTRY)).getStr());
+    gtk_widget_show(item);
+    g_signal_connect_swapped(item, "activate", G_CALLBACK(signalActivateEntryInsertSpecialChar), pEntry);
+    gtk_menu_shell_append(GTK_MENU_SHELL(pMenu), item);
+}
+
+#endif
+
+namespace {
+
+GtkBuilder* makeMenuToggleButtonBuilder()
+{
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    OUString aUri(AllSettings::GetUIRootDir() + "vcl/ui/menutogglebutton3.ui");
+#else
+    OUString aUri(AllSettings::GetUIRootDir() + "vcl/ui/menutogglebutton4.ui");
+#endif
+    OUString aPath;
+    osl::FileBase::getSystemPathFromFileURL(aUri, aPath);
+    return gtk_builder_new_from_file(OUStringToOString(aPath, RTL_TEXTENCODING_UTF8).getStr());
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+
+GtkBuilder* makeComboBoxBuilder()
+{
+    OUString aUri(AllSettings::GetUIRootDir() + "vcl/ui/combobox.ui");
+    OUString aPath;
+    osl::FileBase::getSystemPathFromFileURL(aUri, aPath);
+    return gtk_builder_new_from_file(OUStringToOString(aPath, RTL_TEXTENCODING_UTF8).getStr());
+}
+
+// pop down the toplevel combobox menu when something is activated from a custom
+// submenu, i.e. wysiwyg style menu
+class CustomRenderMenuButtonHelper : public MenuHelper
+{
+private:
+    GtkToggleButton* m_pComboBox;
+public:
+    CustomRenderMenuButtonHelper(GtkMenu* pMenu, GtkToggleButton* pComboBox)
+        : MenuHelper(pMenu, false)
+        , m_pComboBox(pComboBox)
+    {
+    }
+    virtual void signal_item_activate(const OUString& /*rIdent*/) override
+    {
+        gtk_toggle_button_set_active(m_pComboBox, false);
+    }
+};
+
+#endif
+
+gboolean signalTooltipQuery(GtkWidget* pWidget, gint /*x*/, gint /*y*/,
+                            gboolean /*keyboard_mode*/, GtkTooltip *tooltip)
+{
+    const ImplSVHelpData& aHelpData = ImplGetSVHelpData();
+    if (aHelpData.mbBalloonHelp) // extended tips
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        // by default use accessible description
+        AtkObject* pAtkObject = gtk_widget_get_accessible(pWidget);
+        const char* pDesc = pAtkObject ? atk_object_get_description(pAtkObject) : nullptr;
+        if (pDesc && pDesc[0])
+        {
+            gtk_tooltip_set_text(tooltip, pDesc);
+            return true;
+        }
+#endif
+
+        // fallback to the mechanism which needs help installed
+        OUString sHelpId = ::get_help_id(pWidget);
+        Help* pHelp = !sHelpId.isEmpty() ? Application::GetHelp() : nullptr;
+        if (pHelp)
+        {
+            OUString sHelpText = pHelp->GetHelpText(sHelpId, static_cast<weld::Widget*>(nullptr));
+            if (!sHelpText.isEmpty())
+            {
+                gtk_tooltip_set_text(tooltip, OUStringToOString(sHelpText, RTL_TEXTENCODING_UTF8).getStr());
+                return true;
+            }
+        }
+    }
+
+    const char* pDesc = gtk_widget_get_tooltip_text(pWidget);
+    if (pDesc && pDesc[0])
+    {
+        gtk_tooltip_set_text(tooltip, pDesc);
+        return true;
+    }
+
+    return false;
+}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+
+class GtkInstanceComboBox : public GtkInstanceWidget, public vcl::ISearchableStringList, public virtual weld::ComboBox
+{
+private:
+    GtkComboBox* m_pComboBox;
+//    GtkOverlay* m_pOverlay;
+//    GtkTreeView* m_pTreeView;
+//    GtkMenuButton* m_pOverlayButton; // button that the StyleDropdown uses on an active row
+    GtkWidget* m_pMenuWindow;
+    GtkTreeModel* m_pTreeModel;
+    GtkCellRenderer* m_pButtonTextRenderer;
+    GtkWidget* m_pEntry;
+    GtkEditable* m_pEditable;
+//    GtkCellView* m_pCellView;
+    GtkEventController* m_pKeyController;
+    GtkEventController* m_pEntryKeyController;
+    GtkEventController* m_pMenuKeyController;
+    GtkEventController* m_pEntryFocusController;
+//    std::unique_ptr<CustomRenderMenuButtonHelper> m_xCustomMenuButtonHelper;
+    WidgetFont m_aCustomFont;
+    std::optional<vcl::Font> m_xEntryFont;
+    std::unique_ptr<comphelper::string::NaturalStringSorter> m_xSorter;
+    vcl::QuickSelectionEngine m_aQuickSelectionEngine;
+    std::vector<std::unique_ptr<GtkTreeRowReference, GtkTreeRowReferenceDeleter>> m_aSeparatorRows;
+#if 0
+    OUString m_sMenuButtonRow;
+#endif
+//    bool m_bHoverSelection;
+//    bool m_bMouseInOverlayButton;
+    bool m_bPopupActive;
+    bool m_bAutoComplete;
+    bool m_bAutoCompleteCaseSensitive;
+    bool m_bChangedByMenu;
+    bool m_bCustomRenderer;
+    bool m_bUserSelectEntry;
+    gint m_nTextCol;
+    gint m_nIdCol;
+//    gulong m_nToggleFocusInSignalId;
+//    gulong m_nToggleFocusOutSignalId;
+//    gulong m_nRowActivatedSignalId;
+    gulong m_nChangedSignalId;
+    gulong m_nPopupShownSignalId;
+    gulong m_nKeyPressEventSignalId;
+    gulong m_nEntryInsertTextSignalId;
+    gulong m_nEntryActivateSignalId;
+    gulong m_nEntryFocusInSignalId;
+    gulong m_nEntryFocusOutSignalId;
+    gulong m_nEntryKeyPressEventSignalId;
+    guint m_nAutoCompleteIdleId;
+//    gint m_nNonCustomLineHeight;
+    gint m_nPrePopupCursorPos;
+    int m_nMRUCount;
+    int m_nMaxMRUCount;
+
+    static gboolean idleAutoComplete(gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->auto_complete();
+        return false;
+    }
+
+    void auto_complete()
+    {
+        m_nAutoCompleteIdleId = 0;
+        OUString aStartText = get_active_text();
+        int nStartPos, nEndPos;
+        get_entry_selection_bounds(nStartPos, nEndPos);
+        int nMaxSelection = std::max(nStartPos, nEndPos);
+        if (nMaxSelection != aStartText.getLength())
+            return;
+
+        disable_notify_events();
+        int nActive = get_active();
+        int nStart = nActive;
+
+        if (nStart == -1)
+            nStart = 0;
+
+        int nPos = -1;
+
+        int nZeroRow = 0;
+        if (m_nMRUCount)
+            nZeroRow += (m_nMRUCount + 1);
+
+        if (!m_bAutoCompleteCaseSensitive)
+        {
+            // Try match case insensitive from current position
+            nPos = starts_with(m_pTreeModel, aStartText, 0, nStart, false);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case insensitive, but from start
+                nPos = starts_with(m_pTreeModel, aStartText, 0, nZeroRow, false);
+            }
+        }
+
+        if (nPos == -1)
+        {
+            // Try match case sensitive from current position
+            nPos = starts_with(m_pTreeModel, aStartText, 0, nStart, true);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case sensitive, but from start
+                nPos = starts_with(m_pTreeModel, aStartText, 0, nZeroRow, true);
+            }
+        }
+
+        if (nPos != -1)
+        {
+            OUString aText = get_text_including_mru(nPos);
+            if (aText != aStartText)
+            {
+                SolarMutexGuard aGuard;
+                set_active_including_mru(nPos, true);
+            }
+            select_entry_region(aText.getLength(), aStartText.getLength());
+        }
+        enable_notify_events();
+    }
+
+    static void signalEntryInsertText(GtkEntry* pEntry, const gchar* pNewText, gint nNewTextLength,
+                                      gint* position, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_entry_insert_text(pEntry, pNewText, nNewTextLength, position);
+    }
+
+    void signal_entry_insert_text(GtkEntry* pEntry, const gchar* pNewText, gint nNewTextLength, gint* position)
+    {
+        if (m_bPopupActive) // not entered by the user
+            return;
+
+        // first filter inserted text
+        if (m_aEntryInsertTextHdl.IsSet())
+        {
+            OUString sText(pNewText, nNewTextLength, RTL_TEXTENCODING_UTF8);
+            const bool bContinue = m_aEntryInsertTextHdl.Call(sText);
+            if (bContinue && !sText.isEmpty())
+            {
+                OString sFinalText(OUStringToOString(sText, RTL_TEXTENCODING_UTF8));
+                g_signal_handlers_block_by_func(pEntry, reinterpret_cast<gpointer>(signalEntryInsertText), this);
+                gtk_editable_insert_text(GTK_EDITABLE(pEntry), sFinalText.getStr(), sFinalText.getLength(), position);
+                g_signal_handlers_unblock_by_func(pEntry, reinterpret_cast<gpointer>(signalEntryInsertText), this);
+            }
+            g_signal_stop_emission_by_name(pEntry, "insert-text");
+        }
+
+        if (m_bAutoComplete)
+        {
+            // now check for autocompletes
+            if (m_nAutoCompleteIdleId)
+                g_source_remove(m_nAutoCompleteIdleId);
+            m_nAutoCompleteIdleId = g_idle_add(idleAutoComplete, this);
+        }
+    }
+
+    static void signalChanged(GtkComboBox*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->fire_signal_changed();
+    }
+
+    void fire_signal_changed()
+    {
+        m_bUserSelectEntry = true;
+        m_bChangedByMenu = m_bPopupActive;
+        signal_changed();
+        m_bChangedByMenu = false;
+    }
+
+    static void signalPopupToggled(GObject*, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_popup_toggled();
+    }
+
+#if 0
+    int get_popup_height(gint& rPopupWidth)
+    {
+        const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
+
+        int nMaxRows = rSettings.GetListBoxMaximumLineCount();
+        bool bAddScrollWidth = false;
+        int nRows = get_count_including_mru();
+        if (nMaxRows < nRows)
+        {
+            nRows = nMaxRows;
+            bAddScrollWidth = true;
+        }
+
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        gint nRowHeight = get_height_row(m_pTreeView, pColumns);
+        g_list_free(pColumns);
+
+        gint nSeparatorHeight = get_height_row_separator(m_pTreeView);
+        gint nHeight = get_height_rows(nRowHeight, nSeparatorHeight, nRows);
+
+        // if we're using a custom renderer, limit the height to the height nMaxRows would be
+        // for a normal renderer, and then round down to how many custom rows fit in that
+        // space
+        if (m_nNonCustomLineHeight != -1 && nRowHeight)
+        {
+            gint nNormalHeight = get_height_rows(m_nNonCustomLineHeight, nSeparatorHeight, nMaxRows);
+            if (nHeight > nNormalHeight)
+            {
+                gint nRowsOnly = nNormalHeight - get_height_rows(0, nSeparatorHeight, nMaxRows);
+                gint nCustomRows = (nRowsOnly + (nRowHeight - 1)) / nRowHeight;
+                nHeight = get_height_rows(nRowHeight, nSeparatorHeight, nCustomRows);
+            }
+        }
+
+        if (bAddScrollWidth)
+            rPopupWidth += rSettings.GetScrollBarSize();
+
+        return nHeight;
+    }
+#endif
+
+    bool toggle_button_get_active()
+    {
+        GValue value = G_VALUE_INIT;
+        g_value_init(&value, G_TYPE_BOOLEAN);
+        g_object_get_property(G_OBJECT(m_pComboBox), "popup-shown", &value);
+        return g_value_get_boolean(&value);
+    }
+
+    void menu_toggled()
+    {
+        if (!m_bPopupActive)
+        {
+#if 0
+            if (m_bHoverSelection)
+            {
+                // turn hover selection back off until mouse is moved again
+                // *after* menu is shown again
+                gtk_tree_view_set_hover_selection(m_pTreeView, false);
+                m_bHoverSelection = false;
+            }
+#endif
+
+            if (!m_bUserSelectEntry)
+                set_active_including_mru(m_nPrePopupCursorPos, true);
+
+#if 0
+            // undo show_menu tooltip blocking
+            GtkWidget* pParent = widget_get_toplevel(m_pToggleButton);
+            GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+            if (pFrame)
+                pFrame->UnblockTooltip();
+#endif
+        }
+        else
+        {
+            m_nPrePopupCursorPos = get_active();
+
+            m_bUserSelectEntry = false;
+
+            // if we are in mru mode always start with the cursor at the top of the menu
+            if (m_nMaxMRUCount)
+                set_active_including_mru(0, true);
+        }
+    }
+
+    virtual void signal_popup_toggled() override
+    {
+        m_aQuickSelectionEngine.Reset();
+
+        bool bOldPopupActive = m_bPopupActive;
+        m_bPopupActive = toggle_button_get_active();
+
+        menu_toggled();
+
+        if (bOldPopupActive != m_bPopupActive)
+        {
+            ComboBox::signal_popup_toggled();
+            // restore focus to the GtkEntry when the popup is gone, which
+            // is what the vcl case does, to ease the transition a little,
+            // but don't do it if the focus was moved out of togglebutton
+            // by something else already (e.g. font combobox in toolbar
+            // on a "direct pick" from the menu which moves focus into
+            // the main document
+            if (!m_bPopupActive && m_pEntry && has_child_focus())
+            {
+                disable_notify_events();
+                gtk_widget_grab_focus(m_pEntry);
+                enable_notify_events();
+            }
+        }
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalEntryFocusIn(GtkEventControllerFocus*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_entry_focus_in();
+    }
+#else
+    static gboolean signalEntryFocusIn(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_focus_in();
+        return false;
+    }
+#endif
+
+    void signal_entry_focus_in()
+    {
+        signal_focus_in();
+    }
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+    static void signalEntryFocusOut(GtkEventControllerFocus*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_entry_focus_out();
+    }
+#else
+    static gboolean signalEntryFocusOut(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_focus_out();
+        return false;
+    }
+#endif
+
+    void signal_entry_focus_out()
+    {
+        // if we have an untidy selection on losing focus remove the selection
+        int nStartPos, nEndPos;
+        if (get_entry_selection_bounds(nStartPos, nEndPos))
+        {
+            int nMin = std::min(nStartPos, nEndPos);
+            int nMax = std::max(nStartPos, nEndPos);
+            if (nMin != 0 || nMax != get_active_text().getLength())
+                select_entry_region(0, 0);
+        }
+        signal_focus_out();
+    }
+
+    static void signalEntryActivate(GtkEntry*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_activate();
+    }
+
+    void signal_entry_activate()
+    {
+        if (m_aEntryActivateHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            if (m_aEntryActivateHdl.Call(*this))
+                g_signal_stop_emission_by_name(m_pEntry, "activate");
+        }
+        update_mru();
+    }
+
+    OUString get(int pos, int col) const
+    {
+        OUString sRet;
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+        {
+            gchar* pStr;
+            gtk_tree_model_get(m_pTreeModel, &iter, col, &pStr, -1);
+            sRet = OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+            g_free(pStr);
+        }
+        return sRet;
+    }
+
+    void set(int pos, int col, std::u16string_view rText)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+        {
+            OString aStr(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+            gtk_list_store_set(GTK_LIST_STORE(m_pTreeModel), &iter, col, aStr.getStr(), -1);
+        }
+    }
+
+    int find(std::u16string_view rStr, int col, bool bSearchMRUArea) const
+    {
+        GtkTreeIter iter;
+        if (!gtk_tree_model_get_iter_first(m_pTreeModel, &iter))
+            return -1;
+
+        int nRet = 0;
+
+        if (!bSearchMRUArea && m_nMRUCount)
+        {
+            if (!gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, m_nMRUCount + 1))
+                return -1;
+            nRet += (m_nMRUCount + 1);
+        }
+
+        OString aStr(OUStringToOString(rStr, RTL_TEXTENCODING_UTF8));
+        do
+        {
+            gchar* pStr;
+            gtk_tree_model_get(m_pTreeModel, &iter, col, &pStr, -1);
+            const bool bEqual = g_strcmp0(pStr, aStr.getStr()) == 0;
+            g_free(pStr);
+            if (bEqual)
+                return nRet;
+            ++nRet;
+        } while (gtk_tree_model_iter_next(m_pTreeModel, &iter));
+
+        return -1;
+    }
+
+    bool separator_function(const GtkTreePath* path)
+    {
+        return ::separator_function(path, m_aSeparatorRows);
+    }
+
+    bool separator_function(int pos)
+    {
+        GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+        bool bRet = separator_function(path);
+        gtk_tree_path_free(path);
+        return bRet;
+    }
+
+    static gboolean separatorFunction(GtkTreeModel* pTreeModel, GtkTreeIter* pIter, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        GtkTreePath* path = gtk_tree_model_get_path(pTreeModel, pIter);
+        bool bRet = pThis->separator_function(path);
+        gtk_tree_path_free(path);
+        return bRet;
+    }
+
+    // https://gitlab.gnome.org/GNOME/gtk/issues/310
+    //
+    // in the absence of a built-in solution
+    // a) support typeahead for the case where there is no entry widget, typing ahead
+    // into the button itself will select via the vcl selection engine, a matching
+    // entry
+    static gboolean signalKeyPress(GtkEventControllerKey*, guint keyval, guint keycode, GdkModifierType state, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        return pThis->signal_key_press(CreateKeyEvent(keyval, keycode, state, 0));
+    }
+
+    // tdf#131076 we want return in a ComboBox to act like return in a
+    // GtkEntry and activate the default dialog/assistant button
+    bool combobox_activate()
+    {
+        GtkWidget *pComboBox = GTK_WIDGET(m_pComboBox);
+        GtkWidget *pToplevel = widget_get_toplevel(pComboBox);
+        GtkWindow *pWindow = GTK_WINDOW(pToplevel);
+        if (!pWindow)
+            return false;
+        if (!GTK_IS_DIALOG(pWindow) && !GTK_IS_ASSISTANT(pWindow))
+            return false;
+        bool bDone = false;
+        GtkWidget *pDefaultWidget = gtk_window_get_default_widget(pWindow);
+        if (pDefaultWidget && pDefaultWidget != pComboBox && gtk_widget_get_sensitive(pDefaultWidget))
+            bDone = gtk_widget_activate(pDefaultWidget);
+        return bDone;
+    }
+
+    static gboolean signalEntryKeyPress(GtkEventControllerKey*, guint keyval, guint keycode, GdkModifierType state, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        LocalizeDecimalSeparator(keyval);
+        return pThis->signal_entry_key_press(CreateKeyEvent(keyval, keycode, state, 0));
+    }
+
+    bool signal_entry_key_press(const KeyEvent& rKEvt)
+    {
+        vcl::KeyCode aKeyCode = rKEvt.GetKeyCode();
+
+        bool bDone = false;
+
+        auto nCode = aKeyCode.GetCode();
+        switch (nCode)
+        {
+            case KEY_DOWN:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nCount = get_count_including_mru();
+                    int nActive = get_active_including_mru() + 1;
+                    while (nActive < nCount && separator_function(nActive))
+                        ++nActive;
+                    if (nActive < nCount)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                else if (nKeyMod == KEY_MOD2 && !m_bPopupActive)
+                {
+                    gtk_combo_box_popup(m_pComboBox);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_UP:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nStartBound = m_bPopupActive ? 0 : (m_nMRUCount + 1);
+                    int nActive = get_active_including_mru() - 1;
+                    while (nActive >= nStartBound && separator_function(nActive))
+                        --nActive;
+                    if (nActive >= nStartBound)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_PAGEUP:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nCount = get_count_including_mru();
+                    int nStartBound = m_bPopupActive ? 0 : (m_nMRUCount + 1);
+                    int nActive = nStartBound;
+                    while (nActive < nCount && separator_function(nActive))
+                        ++nActive;
+                    if (nActive < nCount)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_PAGEDOWN:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nActive = get_count_including_mru() - 1;
+                    int nStartBound = m_bPopupActive ? 0 : (m_nMRUCount + 1);
+                    while (nActive >= nStartBound && separator_function(nActive))
+                        --nActive;
+                    if (nActive >= nStartBound)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            default:
+                break;
+        }
+
+        return bDone;
+    }
+
+    bool signal_key_press(const KeyEvent& rKEvt)
+    {
+#if 0
+        if (m_bHoverSelection)
+        {
+            // once a key is pressed, turn off hover selection until mouse is
+            // moved again otherwise when the treeview scrolls it jumps to the
+            // position under the mouse.
+            gtk_tree_view_set_hover_selection(m_pTreeView, false);
+            m_bHoverSelection = false;
+        }
+#endif
+
+        vcl::KeyCode aKeyCode = rKEvt.GetKeyCode();
+
+        bool bDone = false;
+
+        auto nCode = aKeyCode.GetCode();
+        switch (nCode)
+        {
+            case KEY_DOWN:
+            case KEY_UP:
+            case KEY_PAGEUP:
+            case KEY_PAGEDOWN:
+            case KEY_HOME:
+            case KEY_END:
+            case KEY_LEFT:
+            case KEY_RIGHT:
+            case KEY_RETURN:
+            {
+                m_aQuickSelectionEngine.Reset();
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                // tdf#131076 don't let bare return toggle menu popup active, but do allow deactivate
+                if (nCode == KEY_RETURN && !nKeyMod)
+                {
+                    if (!m_bPopupActive)
+                        bDone = combobox_activate();
+                    else
+                    {
+                        // treat 'return' as if the active entry was clicked on
+                        signalChanged(m_pComboBox, this);
+                        gtk_combo_box_popdown(m_pComboBox);
+                        bDone = true;
+                    }
+                }
+                else if (nCode == KEY_UP && nKeyMod == KEY_MOD2 && m_bPopupActive)
+                {
+                    gtk_combo_box_popdown(m_pComboBox);
+                    bDone = true;
+                }
+                else if (nCode == KEY_DOWN && nKeyMod == KEY_MOD2 && !m_bPopupActive)
+                {
+                    gtk_combo_box_popup(m_pComboBox);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_ESCAPE:
+            {
+                m_aQuickSelectionEngine.Reset();
+                if (m_bPopupActive)
+                {
+                    gtk_combo_box_popdown(m_pComboBox);
+                    bDone = true;
+                }
+                break;
+            }
+            default:
+                // tdf#131076 let base space toggle menu popup when it's not already visible
+                if (nCode == KEY_SPACE && !aKeyCode.GetModifier() && !m_bPopupActive)
+                    bDone = false;
+                else
+                    bDone = m_aQuickSelectionEngine.HandleKeyEvent(rKEvt);
+                break;
+        }
+
+        if (!bDone)
+        {
+            if (!m_pEntry)
+                bDone = signal_entry_key_press(rKEvt);
+            else
+            {
+                // with gtk4-4.2.1 the unconsumed keystrokes don't appear to get to
+                // the GtkEntry for up/down to move to the next entry without this extra help
+                // (which means this extra indirection is probably effectively
+                // the same as if calling signal_entry_key_press directly here)
+                bDone = gtk_event_controller_key_forward(GTK_EVENT_CONTROLLER_KEY(m_pMenuKeyController), m_pEntry);
+            }
+        }
+
+        return bDone;
+    }
+
+    vcl::StringEntryIdentifier typeahead_getEntry(int nPos, OUString& out_entryText) const
+    {
+        int nEntryCount(get_count_including_mru());
+        if (nPos >= nEntryCount)
+            nPos = 0;
+        out_entryText = get_text_including_mru(nPos);
+
+        // vcl::StringEntryIdentifier does not allow for 0 values, but our position is 0-based
+        // => normalize
+        return reinterpret_cast<vcl::StringEntryIdentifier>(nPos + 1);
+    }
+
+    static int typeahead_getEntryPos(vcl::StringEntryIdentifier entry)
+    {
+        // our pos is 0-based, but StringEntryIdentifier does not allow for a NULL
+        return reinterpret_cast<sal_Int64>(entry) - 1;
+    }
+
+    int tree_view_get_cursor() const
+    {
+        int nRet = -1;
+#if 0
+        GtkTreePath* path;
+        gtk_tree_view_get_cursor(m_pTreeView, &path, nullptr);
+        if (path)
+        {
+            gint depth;
+            gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+            nRet = indices[depth-1];
+            gtk_tree_path_free(path);
+        }
+#endif
+
+        return nRet;
+    }
+
+    int get_selected_entry() const
+    {
+        if (m_bPopupActive)
+            return tree_view_get_cursor();
+        else
+            return get_active_including_mru();
+    }
+
+    void set_typeahead_selected_entry(int nSelect)
+    {
+        set_active_including_mru(nSelect, true);
+    }
+
+    virtual vcl::StringEntryIdentifier CurrentEntry(OUString& out_entryText) const override
+    {
+        int nCurrentPos = get_selected_entry();
+        return typeahead_getEntry((nCurrentPos == -1) ? 0 : nCurrentPos, out_entryText);
+    }
+
+    virtual vcl::StringEntryIdentifier NextEntry(vcl::StringEntryIdentifier currentEntry, OUString& out_entryText) const override
+    {
+        int nNextPos = typeahead_getEntryPos(currentEntry) + 1;
+        return typeahead_getEntry(nNextPos, out_entryText);
+    }
+
+    virtual void SelectEntry(vcl::StringEntryIdentifier entry) override
+    {
+        int nSelect = typeahead_getEntryPos(entry);
+        if (nSelect == get_selected_entry())
+        {
+            // ignore that. This method is a callback from the QuickSelectionEngine, which means the user attempted
+            // to select the given entry by typing its starting letters. No need to act.
+            return;
+        }
+
+        // normalize
+        int nCount = get_count_including_mru();
+        if (nSelect >= nCount)
+            nSelect = nCount ? nCount-1 : -1;
+
+        set_typeahead_selected_entry(nSelect);
+    }
+
+#if 0
+    static void signalGrabBroken(GtkWidget*, GdkEventGrabBroken *pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->grab_broken(pEvent);
+    }
+
+    void grab_broken(const GdkEventGrabBroken *event)
+    {
+        if (event->grab_window == nullptr)
+        {
+            gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+        }
+        else if (!g_object_get_data(G_OBJECT(event->grab_window), "g-lo-InstancePopup")) // another LibreOffice popover took a grab
+        {
+            //try and regrab, so when we lose the grab to the menu of the color palette
+            //combobox we regain it so the color palette doesn't itself disappear on next
+            //click on the color palette combobox
+            do_grab(GTK_WIDGET(m_pMenuWindow));
+        }
+    }
+
+    static gboolean signalButtonPress(GtkWidget* pWidget, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return pThis->button_press(pWidget, pEvent);
+    }
+
+    bool button_press(GtkWidget* pWidget, GdkEventButton* pEvent)
+    {
+        //we want to pop down if the button was pressed outside our popup
+        gdouble x = pEvent->x_root;
+        gdouble y = pEvent->y_root;
+        gint xoffset, yoffset;
+        gdk_window_get_root_origin(widget_get_surface(pWidget), &xoffset, &yoffset);
+
+        GtkAllocation alloc;
+        gtk_widget_get_allocation(pWidget, &alloc);
+        xoffset += alloc.x;
+        yoffset += alloc.y;
+
+        gtk_widget_get_allocation(GTK_WIDGET(m_pMenuWindow), &alloc);
+        gint x1 = alloc.x + xoffset;
+        gint y1 = alloc.y + yoffset;
+        gint x2 = x1 + alloc.width;
+        gint y2 = y1 + alloc.height;
+
+        if (x > x1 && x < x2 && y > y1 && y < y2)
+            return false;
+
+        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+
+        return false;
+    }
+
+    static gboolean signalMotion(GtkWidget*, GdkEventMotion*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_motion();
+        return false;
+    }
+
+    void signal_motion()
+    {
+        // if hover-selection was disabled after pressing a key, then turn it back on again
+        if (!m_bHoverSelection && !m_bMouseInOverlayButton)
+        {
+            gtk_tree_view_set_hover_selection(m_pTreeView, true);
+            m_bHoverSelection = true;
+        }
+    }
+#endif
+
+    static void signalRowActivated(GtkTreeView*, GtkTreePath*, GtkTreeViewColumn*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->handle_row_activated();
+    }
+
+    void handle_row_activated()
+    {
+        m_bUserSelectEntry = true;
+        m_bChangedByMenu = true;
+        disable_notify_events();
+        int nActive = get_active();
+        if (m_pEditable)
+            gtk_editable_set_text(m_pEditable, OUStringToOString(get_text(nActive), RTL_TEXTENCODING_UTF8).getStr());
+#if 0
+        else
+            tree_view_set_cursor(nActive);
+#endif
+        enable_notify_events();
+//        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+        fire_signal_changed();
+        update_mru();
+    }
+
+    void do_clear()
+    {
+        disable_notify_events();
+        gtk_combo_box_set_row_separator_func(m_pComboBox, nullptr, nullptr, nullptr);
+        m_aSeparatorRows.clear();
+        gtk_list_store_clear(GTK_LIST_STORE(m_pTreeModel));
+        m_nMRUCount = 0;
+        enable_notify_events();
+    }
+
+    virtual int get_max_mru_count() const override
+    {
+        return m_nMaxMRUCount;
+    }
+
+    virtual void set_max_mru_count(int nMaxMRUCount) override
+    {
+        m_nMaxMRUCount = nMaxMRUCount;
+        update_mru();
+    }
+
+    void update_mru()
+    {
+        int nMRUCount = m_nMRUCount;
+
+        if (m_nMaxMRUCount)
+        {
+            OUString sActiveText = get_active_text();
+            OUString sActiveId = get_active_id();
+            insert_including_mru(0, sActiveText, &sActiveId, nullptr, nullptr);
+            ++m_nMRUCount;
+
+            for (int i = 1; i < m_nMRUCount - 1; ++i)
+            {
+                if (get_text_including_mru(i) == sActiveText)
+                {
+                    remove_including_mru(i);
+                    --m_nMRUCount;
+                    break;
+                }
+            }
+        }
+
+        while (m_nMRUCount > m_nMaxMRUCount)
+        {
+            remove_including_mru(m_nMRUCount - 1);
+            --m_nMRUCount;
+        }
+
+        if (m_nMRUCount && !nMRUCount)
+            insert_separator_including_mru(m_nMRUCount, "separator");
+        else if (!m_nMRUCount && nMRUCount)
+            remove_including_mru(m_nMRUCount);  // remove separator
+    }
+
+    int get_count_including_mru() const
+    {
+        return gtk_tree_model_iter_n_children(m_pTreeModel, nullptr);
+    }
+
+    int get_active_including_mru() const
+    {
+        return gtk_combo_box_get_active(m_pComboBox);
+    }
+
+    void set_active_including_mru(int pos, bool bInteractive)
+    {
+        disable_notify_events();
+
+        gtk_combo_box_set_active(m_pComboBox, pos);
+
+        m_bChangedByMenu = false;
+        enable_notify_events();
+
+        if (bInteractive && !m_bPopupActive)
+            signal_changed();
+    }
+
+    int find_text_including_mru(std::u16string_view rStr, bool bSearchMRU) const
+    {
+        return find(rStr, m_nTextCol, bSearchMRU);
+    }
+
+    int find_id_including_mru(std::u16string_view rId, bool bSearchMRU) const
+    {
+        return find(rId, m_nIdCol, bSearchMRU);
+    }
+
+    OUString get_text_including_mru(int pos) const
+    {
+        return get(pos, m_nTextCol);
+    }
+
+    OUString get_id_including_mru(int pos) const
+    {
+        return get(pos, m_nIdCol);
+    }
+
+    void set_id_including_mru(int pos, std::u16string_view rId)
+    {
+        set(pos, m_nIdCol, rId);
+    }
+
+    void remove_including_mru(int pos)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos);
+        if (!m_aSeparatorRows.empty())
+        {
+            bool bFound = false;
+
+            GtkTreePath* pPath = gtk_tree_path_new_from_indices(pos, -1);
+
+            for (auto aIter = m_aSeparatorRows.begin(); aIter != m_aSeparatorRows.end(); ++aIter)
+            {
+                GtkTreePath* seppath = gtk_tree_row_reference_get_path(aIter->get());
+                if (seppath)
+                {
+                    if (gtk_tree_path_compare(pPath, seppath) == 0)
+                        bFound = true;
+                    gtk_tree_path_free(seppath);
+                }
+                if (bFound)
+                {
+                    m_aSeparatorRows.erase(aIter);
+                    break;
+                }
+            }
+
+            gtk_tree_path_free(pPath);
+        }
+        gtk_list_store_remove(GTK_LIST_STORE(m_pTreeModel), &iter);
+        enable_notify_events();
+    }
+
+    void insert_separator_including_mru(int pos, const OUString& rId)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        if (!gtk_combo_box_get_row_separator_func(m_pComboBox))
+            gtk_combo_box_set_row_separator_func(m_pComboBox, separatorFunction, this, nullptr);
+        insert_row(GTK_LIST_STORE(m_pTreeModel), iter, pos, &rId, u"", nullptr, nullptr);
+        GtkTreePath* pPath = gtk_tree_path_new_from_indices(pos, -1);
+        m_aSeparatorRows.emplace_back(gtk_tree_row_reference_new(m_pTreeModel, pPath));
+        gtk_tree_path_free(pPath);
+        enable_notify_events();
+    }
+
+    void insert_including_mru(int pos, std::u16string_view rText, const OUString* pId, const OUString* pIconName, const VirtualDevice* pImageSurface)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        insert_row(GTK_LIST_STORE(m_pTreeModel), iter, pos, pId, rText, pIconName, pImageSurface);
+        enable_notify_events();
+    }
+
+#if 0
+    static gboolean signalGetChildPosition(GtkOverlay*, GtkWidget*, GdkRectangle* pAllocation, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return pThis->signal_get_child_position(pAllocation);
+    }
+
+    bool signal_get_child_position(GdkRectangle* pAllocation)
+    {
+        if (!gtk_widget_get_visible(GTK_WIDGET(m_pOverlayButton)))
+            return false;
+        if (!gtk_widget_get_realized(GTK_WIDGET(m_pTreeView)))
+            return false;
+        int nRow = find_id_including_mru(m_sMenuButtonRow, true);
+        if (nRow == -1)
+            return false;
+
+        gtk_widget_get_preferred_width(GTK_WIDGET(m_pOverlayButton), &pAllocation->width, nullptr);
+
+        GtkTreePath* pPath = gtk_tree_path_new_from_indices(nRow, -1);
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        tools::Rectangle aRect = get_row_area(m_pTreeView, pColumns, pPath);
+        gtk_tree_path_free(pPath);
+        g_list_free(pColumns);
+
+        pAllocation->x = aRect.Right() - pAllocation->width;
+        pAllocation->y = aRect.Top();
+        pAllocation->height = aRect.GetHeight();
+
+        return true;
+    }
+
+    static gboolean signalOverlayButtonCrossing(GtkWidget*, GdkEventCrossing* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_overlay_button_crossing(pEvent->type == GDK_ENTER_NOTIFY);
+        return false;
+    }
+
+    void signal_overlay_button_crossing(bool bEnter)
+    {
+        m_bMouseInOverlayButton = bEnter;
+        if (!bEnter)
+            return;
+
+        if (m_bHoverSelection)
+        {
+            // once toggled button is pressed, turn off hover selection until
+            // mouse leaves the overlay button
+            gtk_tree_view_set_hover_selection(m_pTreeView, false);
+            m_bHoverSelection = false;
+        }
+        int nRow = find_id_including_mru(m_sMenuButtonRow, true);
+        assert(nRow != -1);
+        tree_view_set_cursor(nRow); // select the buttons row
+    }
+#endif
+
+    int include_mru(int pos)
+    {
+        if (m_nMRUCount && pos != -1)
+            pos += (m_nMRUCount + 1);
+        return pos;
+    }
+
+public:
+    GtkInstanceComboBox(GtkComboBox* pComboBox, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pComboBox), pBuilder, bTakeOwnership)
+        , m_pComboBox(pComboBox)
+//        , m_pOverlay(GTK_OVERLAY(gtk_builder_get_object(pComboBuilder, "overlay")))
+//        , m_pTreeView(GTK_TREE_VIEW(gtk_builder_get_object(pComboBuilder, "treeview")))
+//        , m_pOverlayButton(GTK_MENU_BUTTON(gtk_builder_get_object(pComboBuilder, "overlaybutton")))
+        , m_pMenuWindow(nullptr)
+        , m_pTreeModel(gtk_combo_box_get_model(pComboBox))
+        , m_pButtonTextRenderer(nullptr)
+//        , m_pToggleButton(GTK_WIDGET(gtk_builder_get_object(pComboBuilder, "button")))
+        , m_pEntry(GTK_IS_ENTRY(gtk_combo_box_get_child(pComboBox)) ? gtk_combo_box_get_child(pComboBox) : nullptr)
+        , m_pEditable(GTK_EDITABLE(m_pEntry))
+        , m_aCustomFont(m_pWidget)
+//        , m_pCellView(nullptr)
+        , m_aQuickSelectionEngine(*this)
+//        , m_bHoverSelection(false)
+//        , m_bMouseInOverlayButton(false)
+        , m_bPopupActive(false)
+        , m_bAutoComplete(false)
+        , m_bAutoCompleteCaseSensitive(false)
+        , m_bChangedByMenu(false)
+        , m_bCustomRenderer(false)
+        , m_bUserSelectEntry(false)
+        , m_nTextCol(gtk_combo_box_get_entry_text_column(pComboBox))
+        , m_nIdCol(gtk_combo_box_get_id_column(pComboBox))
+//        , m_nToggleFocusInSignalId(0)
+//        , m_nToggleFocusOutSignalId(0)
+//        , m_nRowActivatedSignalId(g_signal_connect(m_pTreeView, "row-activated", G_CALLBACK(signalRowActivated), this))
+        , m_nChangedSignalId(g_signal_connect(m_pComboBox, "changed", G_CALLBACK(signalChanged), this))
+        , m_nPopupShownSignalId(g_signal_connect(m_pComboBox, "notify::popup-shown", G_CALLBACK(signalPopupToggled), this))
+        , m_nAutoCompleteIdleId(0)
+//        , m_nNonCustomLineHeight(-1)
+        , m_nPrePopupCursorPos(-1)
+        , m_nMRUCount(0)
+        , m_nMaxMRUCount(0)
+    {
+        for (GtkWidget* pChild = gtk_widget_get_first_child(GTK_WIDGET(m_pComboBox));
+             pChild; pChild = gtk_widget_get_next_sibling(pChild))
+        {
+            if (GTK_IS_POPOVER(pChild))
+            {
+                m_pMenuWindow = pChild;
+                break;
+            }
+        }
+        SAL_WARN_IF(!m_pMenuWindow, "vcl.gtk", "GtkInstanceComboBox: couldn't find popup menu");
+
+        bool bHasEntry = gtk_combo_box_get_has_entry(m_pComboBox);
+        bool bPixbufUsedSurface = gtk_tree_model_get_n_columns(m_pTreeModel) == 4;
+
+        bool bFindButtonTextRenderer = !bHasEntry;
+        GtkCellLayout* pCellLayout = GTK_CELL_LAYOUT(m_pComboBox);
+        GList* cells = gtk_cell_layout_get_cells(pCellLayout);
+        guint i = g_list_length(cells) - 1;;
+        // reorder the cell renderers
+        for (GList* pRenderer = g_list_first(cells); pRenderer; pRenderer = g_list_next(pRenderer))
+        {
+            GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+            gtk_cell_layout_reorder(pCellLayout, pCellRenderer, i--);
+            if (bFindButtonTextRenderer)
+            {
+                m_pButtonTextRenderer = pCellRenderer;
+                bFindButtonTextRenderer = false;
+            }
+        }
+
+        // Seeing as GtkCellRendererPixbuf no longer takes a surface, then insert our own replacement
+        // to render that instead here
+        if (bPixbufUsedSurface)
+        {
+            GtkCellRenderer* pSurfaceRenderer = surface_cell_renderer_new();
+            gtk_cell_layout_pack_start(pCellLayout, pSurfaceRenderer, false);
+            gtk_cell_layout_reorder(pCellLayout, pSurfaceRenderer, 0);
+            gtk_cell_layout_set_attributes(pCellLayout, pSurfaceRenderer, "surface", 3, nullptr);
+        }
+
+        if (bHasEntry)
+        {
+            m_bAutoComplete = true;
+            m_nEntryInsertTextSignalId = g_signal_connect(m_pEditable, "insert-text", G_CALLBACK(signalEntryInsertText), this);
+            m_nEntryActivateSignalId = g_signal_connect(m_pEntry, "activate", G_CALLBACK(signalEntryActivate), this);
+            m_pEntryFocusController = GTK_EVENT_CONTROLLER(gtk_event_controller_focus_new());
+            m_nEntryFocusInSignalId = g_signal_connect(m_pEntryFocusController, "enter", G_CALLBACK(signalEntryFocusIn), this);
+            m_nEntryFocusOutSignalId = g_signal_connect(m_pEntryFocusController, "leave", G_CALLBACK(signalEntryFocusOut), this);
+            gtk_widget_add_controller(m_pEntry, m_pEntryFocusController);
+            m_pEntryKeyController = GTK_EVENT_CONTROLLER(gtk_event_controller_key_new());
+            m_nEntryKeyPressEventSignalId = g_signal_connect(m_pEntryKeyController, "key-pressed", G_CALLBACK(signalEntryKeyPress), this);
+            gtk_widget_add_controller(m_pEntry, m_pEntryKeyController);
+            m_nKeyPressEventSignalId = 0;
+            m_pKeyController = nullptr;
+        }
+        else
+        {
+            m_nEntryInsertTextSignalId = 0;
+            m_nEntryActivateSignalId = 0;
+            m_pEntryFocusController = nullptr;
+            m_nEntryFocusInSignalId = 0;
+            m_nEntryFocusOutSignalId = 0;
+            m_pEntryKeyController = nullptr;
+            m_nEntryKeyPressEventSignalId = 0;
+            m_pKeyController = GTK_EVENT_CONTROLLER(gtk_event_controller_key_new());
+            m_nKeyPressEventSignalId = g_signal_connect(m_pKeyController, "key-pressed", G_CALLBACK(signalKeyPress), this);
+            gtk_widget_add_controller(GTK_WIDGET(m_pComboBox), m_pKeyController);
+        }
+
+//        g_signal_connect(m_pMenuWindow, "grab-broken-event", G_CALLBACK(signalGrabBroken), this);
+//        g_signal_connect(m_pMenuWindow, "button-press-event", G_CALLBACK(signalButtonPress), this);
+//        g_signal_connect(m_pMenuWindow, "motion-notify-event", G_CALLBACK(signalMotion), this);
+
+        // support typeahead for the menu itself, typing into the menu will
+        // select via the vcl selection engine, a matching entry.
+        if (m_pMenuWindow)
+        {
+            m_pMenuKeyController = GTK_EVENT_CONTROLLER(gtk_event_controller_key_new());
+            g_signal_connect(m_pMenuKeyController, "key-pressed", G_CALLBACK(signalKeyPress), this);
+            gtk_widget_add_controller(m_pMenuWindow, m_pMenuKeyController);
+        }
+        else
+            m_pMenuKeyController = nullptr;
+#if 0
+        g_signal_connect(m_pOverlay, "get-child-position", G_CALLBACK(signalGetChildPosition), this);
+        gtk_overlay_add_overlay(m_pOverlay, GTK_WIDGET(m_pOverlayButton));
+        g_signal_connect(m_pOverlayButton, "leave-notify-event", G_CALLBACK(signalOverlayButtonCrossing), this);
+        g_signal_connect(m_pOverlayButton, "enter-notify-event", G_CALLBACK(signalOverlayButtonCrossing), this);
+#endif
+    }
+
+    virtual int get_active() const override
+    {
+        int nActive = get_active_including_mru();
+        if (nActive == -1)
+            return -1;
+
+        if (m_nMRUCount)
+        {
+            if (nActive < m_nMRUCount)
+                nActive = find_text(get_text_including_mru(nActive));
+            else
+                nActive -= (m_nMRUCount + 1);
+        }
+
+        return nActive;
+    }
+
+    virtual OUString get_active_id() const override
+    {
+        int nActive = get_active();
+        return nActive != -1 ? get_id(nActive) : OUString();
+    }
+
+    virtual void set_active_id(const OUString& rStr) override
+    {
+        set_active(find_id(rStr));
+        m_bChangedByMenu = false;
+    }
+
+    virtual void set_size_request(int nWidth, int nHeight) override
+    {
+        if (m_pButtonTextRenderer)
+        {
+            // tweak the cell render to get a narrower size to stick
+            if (nWidth != -1)
+            {
+                // this bit isn't great, I really want to be able to ellipse the text in the comboboxtext itself and let
+                // the popup menu render them in full, in the interim ellipse both of them
+                g_object_set(G_OBJECT(m_pButtonTextRenderer), "ellipsize", PANGO_ELLIPSIZE_MIDDLE, nullptr);
+
+                // to find out how much of the width of the combobox belongs to the cell, set
+                // the cell and widget to the min cell width and see what the difference is
+                int min;
+                gtk_cell_renderer_get_preferred_width(m_pButtonTextRenderer, m_pWidget, &min, nullptr);
+                gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, min, -1);
+                gtk_widget_set_size_request(m_pWidget, min, -1);
+                int nNonCellWidth = get_preferred_size().Width() - min;
+
+                int nCellWidth = nWidth - nNonCellWidth;
+                if (nCellWidth >= 0)
+                {
+                    // now set the cell to the max width which it can be within the
+                    // requested widget width
+                    gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, nWidth - nNonCellWidth, -1);
+                }
+            }
+            else
+            {
+                g_object_set(G_OBJECT(m_pButtonTextRenderer), "ellipsize", PANGO_ELLIPSIZE_NONE, nullptr);
+                gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, -1, -1);
+            }
+        }
+
+        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
+    }
+
+    virtual void set_active(int pos) override
+    {
+        set_active_including_mru(include_mru(pos), false);
+    }
+
+    virtual OUString get_active_text() const override
+    {
+        if (m_pEditable)
+        {
+            const gchar* pText = gtk_editable_get_text(m_pEditable);
+            return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+        }
+
+        int nActive = get_active();
+        if (nActive == -1)
+           return OUString();
+
+        return get_text(nActive);
+    }
+
+    virtual OUString get_text(int pos) const override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        return get_text_including_mru(pos);
+    }
+
+    virtual OUString get_id(int pos) const override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        return get_id_including_mru(pos);
+    }
+
+    virtual void set_id(int pos, const OUString& rId) override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        set_id_including_mru(pos, rId);
+    }
+
+    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems, bool bKeepExisting) override
+    {
+        freeze();
+
+        int nInsertionPoint;
+        if (!bKeepExisting)
+        {
+            clear();
+            nInsertionPoint = 0;
+        }
+        else
+            nInsertionPoint = get_count();
+
+        GtkTreeIter iter;
+        // tdf#125241 inserting backwards is faster
+        for (auto aI = rItems.rbegin(); aI != rItems.rend(); ++aI)
+        {
+            const auto& rItem = *aI;
+            insert_row(GTK_LIST_STORE(m_pTreeModel), iter, nInsertionPoint, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
+                       rItem.sString, rItem.sImage.isEmpty() ? nullptr : &rItem.sImage, nullptr);
+        }
+
+        thaw();
+    }
+
+    virtual void remove(int pos) override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        remove_including_mru(pos);
+    }
+
+    virtual void insert(int pos, const OUString& rText, const OUString* pId, const OUString* pIconName, VirtualDevice* pImageSurface) override
+    {
+        insert_including_mru(include_mru(pos), rText, pId, pIconName, pImageSurface);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        pos = pos == -1 ? get_count() : pos;
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        insert_separator_including_mru(pos, rId);
+    }
+
+    virtual int get_count() const override
+    {
+        int nCount = get_count_including_mru();
+        if (m_nMRUCount)
+            nCount -= (m_nMRUCount + 1);
+        return nCount;
+    }
+
+    virtual int find_text(const OUString& rStr) const override
+    {
+        int nPos = find_text_including_mru(rStr, false);
+        if (nPos != -1 && m_nMRUCount)
+            nPos -= (m_nMRUCount + 1);
+        return nPos;
+    }
+
+    virtual int find_id(const OUString& rId) const override
+    {
+        int nPos = find_id_including_mru(rId, false);
+        if (nPos != -1 && m_nMRUCount)
+            nPos -= (m_nMRUCount + 1);
+        return nPos;
+    }
+
+    virtual void clear() override
+    {
+        do_clear();
+    }
+
+    virtual void make_sorted() override
+    {
+        m_xSorter.reset(new comphelper::string::NaturalStringSorter(
+                            ::comphelper::getProcessComponentContext(),
+                            Application::GetSettings().GetUILanguageTag().getLocale()));
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_set_sort_column_id(pSortable, m_nTextCol, GTK_SORT_ASCENDING);
+        gtk_tree_sortable_set_sort_func(pSortable, m_nTextCol, default_sort_func, m_xSorter.get(), nullptr);
+    }
+
+    virtual bool has_entry() const override
+    {
+        return gtk_combo_box_get_has_entry(m_pComboBox);
+    }
+
+    virtual void set_entry_message_type(weld::EntryMessageType eType) override
+    {
+        assert(m_pEntry);
+        ::set_entry_message_type(GTK_ENTRY(m_pEntry), eType);
+    }
+
+    virtual void set_entry_text(const OUString& rText) override
+    {
+        assert(m_pEditable);
+        disable_notify_events();
+        gtk_editable_set_text(m_pEditable, OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+        enable_notify_events();
+    }
+
+    virtual void set_entry_width_chars(int nChars) override
+    {
+        assert(m_pEditable);
+        disable_notify_events();
+        gtk_editable_set_width_chars(m_pEditable, nChars);
+        gtk_editable_set_max_width_chars(m_pEditable, nChars);
+        enable_notify_events();
+    }
+
+    virtual void set_entry_max_length(int nChars) override
+    {
+        assert(m_pEntry);
+        disable_notify_events();
+        gtk_entry_set_max_length(GTK_ENTRY(m_pEntry), nChars);
+        enable_notify_events();
+    }
+
+    virtual void select_entry_region(int nStartPos, int nEndPos) override
+    {
+        assert(m_pEditable);
+        disable_notify_events();
+        gtk_editable_select_region(m_pEditable, nStartPos, nEndPos);
+        enable_notify_events();
+    }
+
+    virtual bool get_entry_selection_bounds(int& rStartPos, int &rEndPos) override
+    {
+        assert(m_pEditable);
+        return gtk_editable_get_selection_bounds(m_pEditable, &rStartPos, &rEndPos);
+    }
+
+    virtual void set_entry_completion(bool bEnable, bool bCaseSensitive) override
+    {
+        m_bAutoComplete = bEnable;
+        m_bAutoCompleteCaseSensitive = bCaseSensitive;
+    }
+
+    virtual void set_entry_placeholder_text(const OUString& rText) override
+    {
+        assert(m_pEntry);
+        gtk_entry_set_placeholder_text(GTK_ENTRY(m_pEntry), rText.toUtf8().getStr());
+    }
+
+    virtual void set_entry_editable(bool bEditable) override
+    {
+        assert(m_pEditable);
+        gtk_editable_set_editable(m_pEditable, bEditable);
+    }
+
+    virtual void cut_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_widget_activate_action(m_pEntry, "cut.clipboard", nullptr);
+    }
+
+    virtual void copy_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_widget_activate_action(m_pEntry, "copy.clipboard", nullptr);
+    }
+
+    virtual void paste_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_widget_activate_action(m_pEntry, "paste.clipboard", nullptr);
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"combobox");
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (const vcl::Font* pFont = m_aCustomFont.get_custom_font())
+            return *pFont;
+        return GtkInstanceWidget::get_font();
+    }
+
+    virtual void set_entry_font(const vcl::Font& rFont) override
+    {
+        m_xEntryFont = rFont;
+        assert(m_pEntry);
+        PangoAttrList* pOrigList = gtk_entry_get_attributes(GTK_ENTRY(m_pEntry));
+        PangoAttrList* pAttrList = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+        update_attr_list(pAttrList, rFont);
+        gtk_entry_set_attributes(GTK_ENTRY(m_pEntry), pAttrList);
+        pango_attr_list_unref(pAttrList);
+    }
+
+    virtual vcl::Font get_entry_font() override
+    {
+        if (m_xEntryFont)
+            return *m_xEntryFont;
+        assert(m_pEntry);
+        PangoContext* pContext = gtk_widget_get_pango_context(m_pEntry);
+        return pango_to_vcl(pango_context_get_font_description(pContext),
+                            Application::GetSettings().GetUILanguageTag().getLocale());
+    }
+
+    virtual void disable_notify_events() override
+    {
+        if (m_pEditable)
+        {
+            g_signal_handler_block(m_pEditable, m_nEntryInsertTextSignalId);
+            g_signal_handler_block(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_block(m_pEntryFocusController, m_nEntryFocusInSignalId);
+            g_signal_handler_block(m_pEntryFocusController, m_nEntryFocusOutSignalId);
+            g_signal_handler_block(m_pEntryKeyController, m_nEntryKeyPressEventSignalId);
+        }
+        else
+            g_signal_handler_block(m_pKeyController, m_nKeyPressEventSignalId);
+
+//        if (m_nToggleFocusInSignalId)
+//            g_signal_handler_block(m_pToggleButton, m_nToggleFocusInSignalId);
+//        if (m_nToggleFocusOutSignalId)
+//            g_signal_handler_block(m_pToggleButton, m_nToggleFocusOutSignalId);
+//        g_signal_handler_block(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_block(m_pComboBox, m_nPopupShownSignalId);
+        g_signal_handler_block(m_pComboBox, m_nChangedSignalId);
+        GtkInstanceWidget::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceWidget::enable_notify_events();
+        g_signal_handler_unblock(m_pComboBox, m_nChangedSignalId);
+        g_signal_handler_unblock(m_pComboBox, m_nPopupShownSignalId);
+//        g_signal_handler_unblock(m_pTreeView, m_nRowActivatedSignalId);
+//        if (m_nToggleFocusInSignalId)
+//            g_signal_handler_unblock(m_pToggleButton, m_nToggleFocusInSignalId);
+//        if (m_nToggleFocusOutSignalId)
+//            g_signal_handler_unblock(m_pToggleButton, m_nToggleFocusOutSignalId);
+        if (m_pEditable)
+        {
+            g_signal_handler_unblock(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_unblock(m_pEntryFocusController, m_nEntryFocusInSignalId);
+            g_signal_handler_unblock(m_pEntryFocusController, m_nEntryFocusOutSignalId);
+            g_signal_handler_unblock(m_pEntryKeyController, m_nEntryKeyPressEventSignalId);
+            g_signal_handler_unblock(m_pEditable, m_nEntryInsertTextSignalId);
+        }
+        else
+            g_signal_handler_unblock(m_pKeyController, m_nKeyPressEventSignalId);
+    }
+
+    virtual void freeze() override
+    {
+        disable_notify_events();
+        bool bIsFirstFreeze = IsFirstFreeze();
+        GtkInstanceWidget::freeze();
+        if (bIsFirstFreeze)
+        {
+            g_object_ref(m_pTreeModel);
+//            gtk_tree_view_set_model(m_pTreeView, nullptr);
+            g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+            if (m_xSorter)
+            {
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_set_sort_column_id(pSortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
+            }
+        }
+        enable_notify_events();
+    }
+
+    virtual void thaw() override
+    {
+        disable_notify_events();
+        if (IsLastThaw())
+        {
+            if (m_xSorter)
+            {
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_set_sort_column_id(pSortable, m_nTextCol, GTK_SORT_ASCENDING);
+            }
+            g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+//            gtk_tree_view_set_model(m_pTreeView, m_pTreeModel);
+            g_object_unref(m_pTreeModel);
+        }
+        GtkInstanceWidget::thaw();
+        enable_notify_events();
+    }
+
+    virtual bool get_popup_shown() const override
+    {
+        return m_bPopupActive;
+    }
+
+    virtual void connect_focus_in(const Link<Widget&, void>& rLink) override
+    {
+//        if (!m_nToggleFocusInSignalId)
+//            m_nToggleFocusInSignalId = g_signal_connect_after(m_pToggleButton, "focus-in-event", G_CALLBACK(signalFocusIn), this);
+        GtkInstanceWidget::connect_focus_in(rLink);
+    }
+
+    virtual void connect_focus_out(const Link<Widget&, void>& rLink) override
+    {
+//        if (!m_nToggleFocusOutSignalId)
+//            m_nToggleFocusOutSignalId = g_signal_connect_after(m_pToggleButton, "focus-out-event", G_CALLBACK(signalFocusOut), this);
+        GtkInstanceWidget::connect_focus_out(rLink);
+    }
+
+    virtual void grab_focus() override
+    {
+        if (has_focus())
+            return;
+        if (m_pEntry)
+            gtk_widget_grab_focus(m_pEntry);
+        else
+        {
+//            gtk_widget_grab_focus(m_pToggleButton);
+            gtk_widget_grab_focus(GTK_WIDGET(m_pComboBox));
+        }
+    }
+
+    virtual bool has_focus() const override
+    {
+        if (m_pEntry && gtk_widget_has_focus(m_pEntry))
+            return true;
+
+//        if (gtk_widget_has_focus(m_pToggleButton))
+//            return true;
+
+#if 0
+        if (gtk_widget_get_visible(GTK_WIDGET(m_pMenuWindow)))
+        {
+            if (gtk_widget_has_focus(GTK_WIDGET(m_pOverlayButton)) || gtk_widget_has_focus(GTK_WIDGET(m_pTreeView)))
+                return true;
+        }
+#endif
+
+        return GtkInstanceWidget::has_focus();
+    }
+
+    virtual bool changed_by_direct_pick() const override
+    {
+        return m_bChangedByMenu;
+    }
+
+    virtual void set_custom_renderer(bool bOn) override
+    {
+        if (bOn == m_bCustomRenderer)
+            return;
+#if 0
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        // keep the original height around for optimal popup height calculation
+        m_nNonCustomLineHeight = bOn ? ::get_height_row(m_pTreeView, pColumns) : -1;
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pColumns->data);
+        gtk_cell_layout_clear(GTK_CELL_LAYOUT(pColumn));
+        if (bOn)
+        {
+            GtkCellRenderer *pRenderer = custom_cell_renderer_new();
+            GValue value = G_VALUE_INIT;
+            g_value_init(&value, G_TYPE_POINTER);
+            g_value_set_pointer(&value, static_cast<gpointer>(this));
+            g_object_set_property(G_OBJECT(pRenderer), "instance", &value);
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "id", m_nIdCol);
+        }
+        else
+        {
+            GtkCellRenderer *pRenderer = gtk_cell_renderer_text_new();
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+        }
+        g_list_free(pColumns);
+        m_bCustomRenderer = bOn;
+#endif
+    }
+
+    void call_signal_custom_render(VirtualDevice& rOutput, const tools::Rectangle& rRect, bool bSelected, const OUString& rId)
+    {
+        signal_custom_render(rOutput, rRect, bSelected, rId);
+    }
+
+    Size call_signal_custom_get_size(VirtualDevice& rOutput)
+    {
+        return signal_custom_get_size(rOutput);
+    }
+
+    VclPtr<VirtualDevice> create_render_virtual_device() const override
+    {
+        return create_virtual_device();
+    }
+
+    virtual void set_item_menu(const OUString& rIdent, weld::Menu* pMenu) override
+    {
+#if 0
+        m_xCustomMenuButtonHelper.reset();
+        GtkInstanceMenu* pPopoverWidget = dynamic_cast<GtkInstanceMenu*>(pMenu);
+        GtkWidget* pMenuWidget = GTK_WIDGET(pPopoverWidget ? pPopoverWidget->getMenu() : nullptr);
+        gtk_menu_button_set_popup(m_pOverlayButton, pMenuWidget);
+        gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), pMenuWidget != nullptr);
+        gtk_widget_queue_resize_no_redraw(GTK_WIDGET(m_pOverlayButton)); // force location recalc
+        if (pMenuWidget)
+            m_xCustomMenuButtonHelper.reset(new CustomRenderMenuButtonHelper(GTK_MENU(pMenuWidget), GTK_TOGGLE_BUTTON(m_pToggleButton)));
+        m_sMenuButtonRow = rIdent;
+#else
+        (void)rIdent; (void)pMenu;
+#endif
+    }
+
+    OUString get_mru_entries() const override
+    {
+        const sal_Unicode cSep = ';';
+
+        OUStringBuffer aEntries;
+        for (sal_Int32 n = 0; n < m_nMRUCount; n++)
+        {
+            aEntries.append(get_text_including_mru(n));
+            if (n < m_nMRUCount - 1)
+                aEntries.append(cSep);
+        }
+        return aEntries.makeStringAndClear();
+    }
+
+    virtual void set_mru_entries(const OUString& rEntries) override
+    {
+        const sal_Unicode cSep = ';';
+
+        // Remove old MRU entries
+        for (sal_Int32 n = m_nMRUCount; n;)
+            remove_including_mru(--n);
+
+        sal_Int32 nMRUCount = 0;
+        sal_Int32 nIndex = 0;
+        do
+        {
+            OUString aEntry = rEntries.getToken(0, cSep, nIndex);
+            // Accept only existing entries
+            int nPos = find_text(aEntry);
+            if (nPos != -1)
+            {
+                OUString sId = get_id(nPos);
+                insert_including_mru(0, aEntry, &sId, nullptr, nullptr);
+                ++nMRUCount;
+            }
+        }
+        while (nIndex >= 0);
+
+        if (nMRUCount && !m_nMRUCount)
+            insert_separator_including_mru(nMRUCount, "separator");
+        else if (!nMRUCount && m_nMRUCount)
+            remove_including_mru(m_nMRUCount);  // remove separator
+
+        m_nMRUCount = nMRUCount;
+    }
+
+    int get_menu_button_width() const override
+    {
+#if 0
+        bool bVisible = gtk_widget_get_visible(GTK_WIDGET(m_pOverlayButton));
+        if (!bVisible)
+            gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), true);
+        gint nWidth;
+        gtk_widget_get_preferred_width(GTK_WIDGET(m_pOverlayButton), &nWidth, nullptr);
+        if (!bVisible)
+            gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), false);
+        return nWidth;
+#else
+        return 0;
+#endif
+    }
+
+    virtual ~GtkInstanceComboBox() override
+    {
+//        m_xCustomMenuButtonHelper.reset();
+        do_clear();
+        if (m_nAutoCompleteIdleId)
+            g_source_remove(m_nAutoCompleteIdleId);
+        if (m_pEditable)
+        {
+            g_signal_handler_disconnect(m_pEditable, m_nEntryInsertTextSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_disconnect(m_pEntryFocusController, m_nEntryFocusInSignalId);
+            g_signal_handler_disconnect(m_pEntryFocusController, m_nEntryFocusOutSignalId);
+            g_signal_handler_disconnect(m_pEntryKeyController, m_nEntryKeyPressEventSignalId);
+        }
+        else
+            g_signal_handler_disconnect(m_pKeyController, m_nKeyPressEventSignalId);
+//        if (m_nToggleFocusInSignalId)
+//            g_signal_handler_disconnect(m_pToggleButton, m_nToggleFocusInSignalId);
+//        if (m_nToggleFocusOutSignalId)
+//            g_signal_handler_disconnect(m_pToggleButton, m_nToggleFocusOutSignalId);
+//        g_signal_handler_disconnect(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_disconnect(m_pComboBox, m_nPopupShownSignalId);
+        g_signal_handler_disconnect(m_pComboBox, m_nChangedSignalId);
+
+//        gtk_tree_view_set_model(m_pTreeView, nullptr);
+
+    }
+};
+
+#else
+
+class GtkInstanceComboBox : public GtkInstanceContainer, public vcl::ISearchableStringList, public virtual weld::ComboBox
+{
+private:
+    GtkBuilder* m_pComboBuilder;
+    GtkComboBox* m_pComboBox;
+    GtkOverlay* m_pOverlay;
+    GtkTreeView* m_pTreeView;
+    GtkMenuButton* m_pOverlayButton; // button that the StyleDropdown uses on an active row
+    GtkWindow* m_pMenuWindow;
+    GtkTreeModel* m_pTreeModel;
+    GtkCellRenderer* m_pButtonTextRenderer;
+    GtkCellRenderer* m_pMenuTextRenderer;
+    GtkWidget* m_pToggleButton;
+    GtkWidget* m_pEntry;
+    GtkCellView* m_pCellView;
+    WidgetFont m_aCustomFont;
+    std::unique_ptr<CustomRenderMenuButtonHelper> m_xCustomMenuButtonHelper;
+    std::optional<vcl::Font> m_xEntryFont;
+    std::unique_ptr<comphelper::string::NaturalStringSorter> m_xSorter;
+    vcl::QuickSelectionEngine m_aQuickSelectionEngine;
+    std::vector<std::unique_ptr<GtkTreeRowReference, GtkTreeRowReferenceDeleter>> m_aSeparatorRows;
+    OUString m_sMenuButtonRow;
+    bool m_bHoverSelection;
+    bool m_bMouseInOverlayButton;
+    bool m_bPopupActive;
+    bool m_bAutoComplete;
+    bool m_bAutoCompleteCaseSensitive;
+    bool m_bChangedByMenu;
+    bool m_bCustomRenderer;
+    bool m_bActivateCalled;
+    gint m_nTextCol;
+    gint m_nIdCol;
+    gulong m_nToggleFocusInSignalId;
+    gulong m_nToggleFocusOutSignalId;
+    gulong m_nRowActivatedSignalId;
+    gulong m_nChangedSignalId;
+    gulong m_nPopupShownSignalId;
+    gulong m_nKeyPressEventSignalId;
+    gulong m_nEntryInsertTextSignalId;
+    gulong m_nEntryActivateSignalId;
+    gulong m_nEntryFocusInSignalId;
+    gulong m_nEntryFocusOutSignalId;
+    gulong m_nEntryKeyPressEventSignalId;
+    gulong m_nEntryPopulatePopupMenuSignalId;
+    guint m_nAutoCompleteIdleId;
+    gint m_nNonCustomLineHeight;
+    gint m_nPrePopupCursorPos;
+    int m_nMRUCount;
+    int m_nMaxMRUCount;
+
+    static gboolean idleAutoComplete(gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->auto_complete();
+        return false;
+    }
+
+    void auto_complete()
+    {
+        m_nAutoCompleteIdleId = 0;
+        OUString aStartText = get_active_text();
+        int nStartPos, nEndPos;
+        get_entry_selection_bounds(nStartPos, nEndPos);
+        int nMaxSelection = std::max(nStartPos, nEndPos);
+        if (nMaxSelection != aStartText.getLength())
+            return;
+
+        disable_notify_events();
+        int nActive = get_active();
+        int nStart = nActive;
+
+        if (nStart == -1)
+            nStart = 0;
+
+        int nPos = -1;
+
+        int nZeroRow = 0;
+        if (m_nMRUCount)
+            nZeroRow += (m_nMRUCount + 1);
+
+        if (!m_bAutoCompleteCaseSensitive)
+        {
+            // Try match case insensitive from current position
+            nPos = starts_with(m_pTreeModel, aStartText, 0, nStart, false);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case insensitive, but from start
+                nPos = starts_with(m_pTreeModel, aStartText, 0, nZeroRow, false);
+            }
+        }
+
+        if (nPos == -1)
+        {
+            // Try match case sensitive from current position
+            nPos = starts_with(m_pTreeModel, aStartText, 0, nStart, true);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case sensitive, but from start
+                nPos = starts_with(m_pTreeModel, aStartText, 0, nZeroRow, true);
+            }
+        }
+
+        if (nPos != -1)
+        {
+            OUString aText = get_text_including_mru(nPos);
+            if (aText != aStartText)
+            {
+                SolarMutexGuard aGuard;
+                set_active_including_mru(nPos, true);
+            }
+            select_entry_region(aText.getLength(), aStartText.getLength());
+        }
+        enable_notify_events();
+    }
+
+    static void signalEntryInsertText(GtkEntry* pEntry, const gchar* pNewText, gint nNewTextLength,
+                                      gint* position, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_entry_insert_text(pEntry, pNewText, nNewTextLength, position);
+    }
+
+    void signal_entry_insert_text(GtkEntry* pEntry, const gchar* pNewText, gint nNewTextLength, gint* position)
+    {
+        // first filter inserted text
+        if (m_aEntryInsertTextHdl.IsSet())
+        {
+            OUString sText(pNewText, nNewTextLength, RTL_TEXTENCODING_UTF8);
+            const bool bContinue = m_aEntryInsertTextHdl.Call(sText);
+            if (bContinue && !sText.isEmpty())
+            {
+                OString sFinalText(OUStringToOString(sText, RTL_TEXTENCODING_UTF8));
+                g_signal_handlers_block_by_func(pEntry, reinterpret_cast<gpointer>(signalEntryInsertText), this);
+                gtk_editable_insert_text(GTK_EDITABLE(pEntry), sFinalText.getStr(), sFinalText.getLength(), position);
+                g_signal_handlers_unblock_by_func(pEntry, reinterpret_cast<gpointer>(signalEntryInsertText), this);
+            }
+            g_signal_stop_emission_by_name(pEntry, "insert-text");
+        }
+        if (m_bAutoComplete)
+        {
+            // now check for autocompletes
+            if (m_nAutoCompleteIdleId)
+                g_source_remove(m_nAutoCompleteIdleId);
+            m_nAutoCompleteIdleId = g_idle_add(idleAutoComplete, this);
+        }
+    }
+
+    static void signalChanged(GtkEntry*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->fire_signal_changed();
+    }
+
+    void fire_signal_changed()
+    {
+        signal_changed();
+        m_bChangedByMenu = false;
+    }
+
+    static void signalPopupToggled(GtkToggleButton* /*pToggleButton*/, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_popup_toggled();
+    }
+
+    int get_popup_height(gint& rPopupWidth)
+    {
+        const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
+
+        int nMaxRows = rSettings.GetListBoxMaximumLineCount();
+        bool bAddScrollWidth = false;
+        int nRows = get_count_including_mru();
+        if (nMaxRows < nRows)
+        {
+            nRows = nMaxRows;
+            bAddScrollWidth = true;
+        }
+
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        gint nRowHeight = get_height_row(m_pTreeView, pColumns);
+        g_list_free(pColumns);
+
+        gint nSeparatorHeight = get_height_row_separator(m_pTreeView);
+        gint nHeight = get_height_rows(nRowHeight, nSeparatorHeight, nRows);
+
+        // if we're using a custom renderer, limit the height to the height nMaxRows would be
+        // for a normal renderer, and then round down to how many custom rows fit in that
+        // space
+        if (m_nNonCustomLineHeight != -1 && nRowHeight)
+        {
+            gint nNormalHeight = get_height_rows(m_nNonCustomLineHeight, nSeparatorHeight, nMaxRows);
+            if (nHeight > nNormalHeight)
+            {
+                gint nRowsOnly = nNormalHeight - get_height_rows(0, nSeparatorHeight, nMaxRows);
+                gint nCustomRows = (nRowsOnly + (nRowHeight - 1)) / nRowHeight;
+                nHeight = get_height_rows(nRowHeight, nSeparatorHeight, nCustomRows);
+            }
+        }
+
+        if (bAddScrollWidth)
+            rPopupWidth += rSettings.GetScrollBarSize();
+
+        return nHeight;
+    }
+
+    void menu_toggled()
+    {
+        if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_pToggleButton)))
+        {
+            if (m_bHoverSelection)
+            {
+                // turn hover selection back off until mouse is moved again
+                // *after* menu is shown again
+                gtk_tree_view_set_hover_selection(m_pTreeView, false);
+                m_bHoverSelection = false;
+            }
+
+            bool bHadFocus = gtk_window_has_toplevel_focus(m_pMenuWindow);
+
+            do_ungrab(GTK_WIDGET(m_pMenuWindow));
+
+            gtk_widget_hide(GTK_WIDGET(m_pMenuWindow));
+
+            GdkSurface* pSurface = widget_get_surface(GTK_WIDGET(m_pMenuWindow));
+            g_object_set_data(G_OBJECT(pSurface), "g-lo-InstancePopup", GINT_TO_POINTER(false));
+
+            // so gdk_window_move_to_rect will work again the next time
+            gtk_widget_unrealize(GTK_WIDGET(m_pMenuWindow));
+
+            gtk_widget_set_size_request(GTK_WIDGET(m_pMenuWindow), -1, -1);
+
+            if (!m_bActivateCalled)
+                tree_view_set_cursor(m_nPrePopupCursorPos);
+
+            // undo show_menu tooltip blocking
+            GtkWidget* pParent = widget_get_toplevel(m_pToggleButton);
+            GtkSalFrame* pFrame = pParent ? GtkSalFrame::getFromWindow(pParent) : nullptr;
+            if (pFrame)
+                pFrame->UnblockTooltip();
+
+            if (bHadFocus)
+            {
+                GdkSurface* pParentSurface = pParent ? widget_get_surface(pParent) : nullptr;
+                void* pParentIsPopover = pParentSurface ? g_object_get_data(G_OBJECT(pParentSurface), "g-lo-InstancePopup") : nullptr;
+                if (pParentIsPopover)
+                    do_grab(m_pToggleButton);
+                gtk_widget_grab_focus(m_pToggleButton);
+            }
+        }
+        else
+        {
+            GtkWidget* pComboBox = GTK_WIDGET(getContainer());
+
+            gint nComboWidth = gtk_widget_get_allocated_width(pComboBox);
+            GtkRequisition size;
+            gtk_widget_get_preferred_size(GTK_WIDGET(m_pMenuWindow), nullptr, &size);
+
+            gint nPopupWidth = size.width;
+            gint nPopupHeight = get_popup_height(nPopupWidth);
+            nPopupWidth = std::max(nPopupWidth, nComboWidth);
+
+            gtk_widget_set_size_request(GTK_WIDGET(m_pMenuWindow), nPopupWidth, nPopupHeight);
+
+            m_nPrePopupCursorPos = get_active();
+
+            m_bActivateCalled = false;
+
+            // if we are in mru mode always start with the cursor at the top of the menu
+            if (m_nMaxMRUCount)
+                tree_view_set_cursor(0);
+
+            GdkRectangle aAnchor {0, 0, gtk_widget_get_allocated_width(pComboBox), gtk_widget_get_allocated_height(pComboBox) };
+            show_menu(pComboBox, m_pMenuWindow, aAnchor, weld::Placement::Under, true);
+            GdkSurface* pSurface = widget_get_surface(GTK_WIDGET(m_pMenuWindow));
+            g_object_set_data(G_OBJECT(pSurface), "g-lo-InstancePopup", GINT_TO_POINTER(true));
+        }
+    }
+
+    virtual void signal_popup_toggled() override
+    {
+        m_aQuickSelectionEngine.Reset();
+
+        menu_toggled();
+
+        bool bIsShown = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_pToggleButton));
+        if (m_bPopupActive == bIsShown)
+            return;
+
+        m_bPopupActive = bIsShown;
+        ComboBox::signal_popup_toggled();
+        if (!m_bPopupActive && m_pEntry)
+        {
+            disable_notify_events();
+            //restore focus to the GtkEntry when the popup is gone, which
+            //is what the vcl case does, to ease the transition a little
+            gtk_widget_grab_focus(m_pEntry);
+            enable_notify_events();
+        }
+    }
+
+    static gboolean signalEntryFocusIn(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_focus_in();
+        return false;
+    }
+
+    void signal_entry_focus_in()
+    {
+        signal_focus_in();
+    }
+
+    static gboolean signalEntryFocusOut(GtkWidget*, GdkEvent*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_focus_out();
+        return false;
+    }
+
+    void signal_entry_focus_out()
+    {
+        // if we have an untidy selection on losing focus remove the selection
+        int nStartPos, nEndPos;
+        if (get_entry_selection_bounds(nStartPos, nEndPos))
+        {
+            int nMin = std::min(nStartPos, nEndPos);
+            int nMax = std::max(nStartPos, nEndPos);
+            if (nMin != 0 || nMax != get_active_text().getLength())
+                select_entry_region(0, 0);
+        }
+        signal_focus_out();
+    }
+
+    static void signalEntryActivate(GtkEntry*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_entry_activate();
+    }
+
+    void signal_entry_activate()
+    {
+        if (m_aEntryActivateHdl.IsSet())
+        {
+            SolarMutexGuard aGuard;
+            if (m_aEntryActivateHdl.Call(*this))
+                g_signal_stop_emission_by_name(m_pEntry, "activate");
+        }
+        update_mru();
+    }
+
+    OUString get(int pos, int col) const
+    {
+        OUString sRet;
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+        {
+            gchar* pStr;
+            gtk_tree_model_get(m_pTreeModel, &iter, col, &pStr, -1);
+            sRet = OUString(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8);
+            g_free(pStr);
+        }
+        return sRet;
+    }
+
+    void set(int pos, int col, std::u16string_view rText)
+    {
+        GtkTreeIter iter;
+        if (gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos))
+        {
+            OString aStr(OUStringToOString(rText, RTL_TEXTENCODING_UTF8));
+            gtk_list_store_set(GTK_LIST_STORE(m_pTreeModel), &iter, col, aStr.getStr(), -1);
+        }
+    }
+
+    int find(std::u16string_view rStr, int col, bool bSearchMRUArea) const
+    {
+        GtkTreeIter iter;
+        if (!gtk_tree_model_get_iter_first(m_pTreeModel, &iter))
+            return -1;
+
+        int nRet = 0;
+
+        if (!bSearchMRUArea && m_nMRUCount)
+        {
+            if (!gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, m_nMRUCount + 1))
+                return -1;
+            nRet += (m_nMRUCount + 1);
+        }
+
+        OString aStr(OUStringToOString(rStr, RTL_TEXTENCODING_UTF8));
+        do
+        {
+            gchar* pStr;
+            gtk_tree_model_get(m_pTreeModel, &iter, col, &pStr, -1);
+            const bool bEqual = g_strcmp0(pStr, aStr.getStr()) == 0;
+            g_free(pStr);
+            if (bEqual)
+                return nRet;
+            ++nRet;
+        } while (gtk_tree_model_iter_next(m_pTreeModel, &iter));
+
+        return -1;
+    }
+
+    bool separator_function(const GtkTreePath* path)
+    {
+        return ::separator_function(path, m_aSeparatorRows);
+    }
+
+    bool separator_function(int pos)
+    {
+        GtkTreePath* path = gtk_tree_path_new_from_indices(pos, -1);
+        bool bRet = separator_function(path);
+        gtk_tree_path_free(path);
+        return bRet;
+    }
+
+    static gboolean separatorFunction(GtkTreeModel* pTreeModel, GtkTreeIter* pIter, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        GtkTreePath* path = gtk_tree_model_get_path(pTreeModel, pIter);
+        bool bRet = pThis->separator_function(path);
+        gtk_tree_path_free(path);
+        return bRet;
+    }
+
+    // https://gitlab.gnome.org/GNOME/gtk/issues/310
+    //
+    // in the absence of a built-in solution
+    // a) support typeahead for the case where there is no entry widget, typing ahead
+    // into the button itself will select via the vcl selection engine, a matching
+    // entry
+    static gboolean signalKeyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return pThis->signal_key_press(pEvent);
+    }
+
+    // tdf#131076 we want return in a ComboBox to act like return in a
+    // GtkEntry and activate the default dialog/assistant button
+    bool combobox_activate()
+    {
+        GtkWidget *pComboBox = GTK_WIDGET(m_pToggleButton);
+        GtkWidget *pToplevel = widget_get_toplevel(pComboBox);
+        GtkWindow *pWindow = GTK_WINDOW(pToplevel);
+        if (!pWindow)
+            return false;
+        if (!GTK_IS_DIALOG(pWindow) && !GTK_IS_ASSISTANT(pWindow))
+            return false;
+        bool bDone = false;
+        GtkWidget *pDefaultWidget = gtk_window_get_default_widget(pWindow);
+        if (pDefaultWidget && pDefaultWidget != m_pToggleButton && gtk_widget_get_sensitive(pDefaultWidget))
+            bDone = gtk_widget_activate(pDefaultWidget);
+        return bDone;
+    }
+
+    static gboolean signalEntryKeyPress(GtkEntry* pEntry, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        LocalizeDecimalSeparator(pEvent->keyval);
+        if (signalEntryInsertSpecialCharKeyPress(pEntry, pEvent, nullptr))
+            return true;
+        return pThis->signal_entry_key_press(pEvent);
+    }
+
+    bool signal_entry_key_press(const GdkEventKey* pEvent)
+    {
+        KeyEvent aKEvt(GtkToVcl(*pEvent));
+
+        vcl::KeyCode aKeyCode = aKEvt.GetKeyCode();
+
+        bool bDone = false;
+
+        auto nCode = aKeyCode.GetCode();
+        switch (nCode)
+        {
+            case KEY_DOWN:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nCount = get_count_including_mru();
+                    int nActive = get_active_including_mru() + 1;
+                    while (nActive < nCount && separator_function(nActive))
+                        ++nActive;
+                    if (nActive < nCount)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                else if (nKeyMod == KEY_MOD2 && !m_bPopupActive)
+                {
+                    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_UP:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nStartBound = m_bPopupActive || !m_nMRUCount ? 0 : (m_nMRUCount + 1);
+                    int nActive = get_active_including_mru() - 1;
+                    while (nActive >= nStartBound && separator_function(nActive))
+                        --nActive;
+                    if (nActive >= nStartBound)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_PAGEUP:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nCount = get_count_including_mru();
+                    int nStartBound = m_bPopupActive || !m_nMaxMRUCount ? 0 : (m_nMRUCount + 1);
+                    int nActive = nStartBound;
+                    while (nActive < nCount && separator_function(nActive))
+                        ++nActive;
+                    if (nActive < nCount)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_PAGEDOWN:
+            {
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                if (!nKeyMod)
+                {
+                    int nActive = get_count_including_mru() - 1;
+                    int nStartBound = m_bPopupActive ? 0 : (m_nMRUCount + 1);
+                    while (nActive >= nStartBound && separator_function(nActive))
+                        --nActive;
+                    if (nActive >= nStartBound)
+                        set_active_including_mru(nActive, true);
+                    bDone = true;
+                }
+                break;
+            }
+            default:
+                break;
+        }
+
+        return bDone;
+    }
+
+    bool signal_key_press(const GdkEventKey* pEvent)
+    {
+        if (m_bHoverSelection)
+        {
+            // once a key is pressed, turn off hover selection until mouse is
+            // moved again otherwise when the treeview scrolls it jumps to the
+            // position under the mouse.
+            gtk_tree_view_set_hover_selection(m_pTreeView, false);
+            m_bHoverSelection = false;
+        }
+
+        KeyEvent aKEvt(GtkToVcl(*pEvent));
+
+        vcl::KeyCode aKeyCode = aKEvt.GetKeyCode();
+
+        bool bDone = false;
+
+        auto nCode = aKeyCode.GetCode();
+        switch (nCode)
+        {
+            case KEY_DOWN:
+            case KEY_UP:
+            case KEY_PAGEUP:
+            case KEY_PAGEDOWN:
+            case KEY_HOME:
+            case KEY_END:
+            case KEY_LEFT:
+            case KEY_RIGHT:
+            case KEY_RETURN:
+            {
+                m_aQuickSelectionEngine.Reset();
+                sal_uInt16 nKeyMod = aKeyCode.GetModifier();
+                // tdf#131076 don't let bare return toggle menu popup active, but do allow deactivate
+                if (nCode == KEY_RETURN && !nKeyMod && !m_bPopupActive)
+                    bDone = combobox_activate();
+                else if (nCode == KEY_UP && nKeyMod == KEY_MOD2 && m_bPopupActive)
+                {
+                    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+                    bDone = true;
+                }
+                else if (nCode == KEY_DOWN && nKeyMod == KEY_MOD2 && !m_bPopupActive)
+                {
+                    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), true);
+                    bDone = true;
+                }
+                break;
+            }
+            case KEY_ESCAPE:
+            {
+                m_aQuickSelectionEngine.Reset();
+                if (m_bPopupActive)
+                {
+                    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+                    bDone = true;
+                }
+                break;
+            }
+            default:
+                // tdf#131076 let base space toggle menu popup when it's not already visible
+                if (nCode == KEY_SPACE && !aKeyCode.GetModifier() && !m_bPopupActive)
+                    bDone = false;
+                else
+                    bDone = m_aQuickSelectionEngine.HandleKeyEvent(aKEvt);
+                break;
+        }
+
+        if (!bDone && !m_pEntry)
+            bDone = signal_entry_key_press(pEvent);
+
+        return bDone;
+    }
+
+    vcl::StringEntryIdentifier typeahead_getEntry(int nPos, OUString& out_entryText) const
+    {
+        int nEntryCount(get_count_including_mru());
+        if (nPos >= nEntryCount)
+            nPos = 0;
+        out_entryText = get_text_including_mru(nPos);
+
+        // vcl::StringEntryIdentifier does not allow for 0 values, but our position is 0-based
+        // => normalize
+        return reinterpret_cast<vcl::StringEntryIdentifier>(nPos + 1);
+    }
+
+    static int typeahead_getEntryPos(vcl::StringEntryIdentifier entry)
+    {
+        // our pos is 0-based, but StringEntryIdentifier does not allow for a NULL
+        return reinterpret_cast<sal_Int64>(entry) - 1;
+    }
+
+    void tree_view_set_cursor(int pos)
+    {
+        GtkTreePath* path;
+        if (pos == -1)
+        {
+            path = gtk_tree_path_new_from_indices(G_MAXINT, -1);
+            gtk_tree_selection_unselect_all(gtk_tree_view_get_selection(m_pTreeView));
+            if (m_pCellView)
+                gtk_cell_view_set_displayed_row(m_pCellView, nullptr);
+        }
+        else
+        {
+            path = gtk_tree_path_new_from_indices(pos, -1);
+            if (gtk_tree_view_get_model(m_pTreeView))
+                gtk_tree_view_scroll_to_cell(m_pTreeView, path, nullptr, false, 0, 0);
+            if (m_pCellView)
+                gtk_cell_view_set_displayed_row(m_pCellView, path);
+        }
+        gtk_tree_view_set_cursor(m_pTreeView, path, nullptr, false);
+        gtk_tree_path_free(path);
+    }
+
+    int tree_view_get_cursor() const
+    {
+        int nRet = -1;
+
+        GtkTreePath* path;
+        gtk_tree_view_get_cursor(m_pTreeView, &path, nullptr);
+        if (path)
+        {
+            gint depth;
+            gint* indices = gtk_tree_path_get_indices_with_depth(path, &depth);
+            nRet = indices[depth-1];
+            gtk_tree_path_free(path);
+        }
+
+        return nRet;
+    }
+
+    int get_selected_entry() const
+    {
+        if (m_bPopupActive)
+            return tree_view_get_cursor();
+        else
+            return get_active_including_mru();
+    }
+
+    void set_typeahead_selected_entry(int nSelect)
+    {
+        if (m_bPopupActive)
+            tree_view_set_cursor(nSelect);
+        else
+            set_active_including_mru(nSelect, true);
+    }
+
+    virtual vcl::StringEntryIdentifier CurrentEntry(OUString& out_entryText) const override
+    {
+        int nCurrentPos = get_selected_entry();
+        return typeahead_getEntry((nCurrentPos == -1) ? 0 : nCurrentPos, out_entryText);
+    }
+
+    virtual vcl::StringEntryIdentifier NextEntry(vcl::StringEntryIdentifier currentEntry, OUString& out_entryText) const override
+    {
+        int nNextPos = typeahead_getEntryPos(currentEntry) + 1;
+        return typeahead_getEntry(nNextPos, out_entryText);
+    }
+
+    virtual void SelectEntry(vcl::StringEntryIdentifier entry) override
+    {
+        int nSelect = typeahead_getEntryPos(entry);
+        if (nSelect == get_selected_entry())
+        {
+            // ignore that. This method is a callback from the QuickSelectionEngine, which means the user attempted
+            // to select the given entry by typing its starting letters. No need to act.
+            return;
+        }
+
+        // normalize
+        int nCount = get_count_including_mru();
+        if (nSelect >= nCount)
+            nSelect = nCount ? nCount-1 : -1;
+
+        set_typeahead_selected_entry(nSelect);
+    }
+
+    static void signalGrabBroken(GtkWidget*, GdkEventGrabBroken *pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->grab_broken(pEvent);
+    }
+
+    void grab_broken(const GdkEventGrabBroken *event)
+    {
+        if (event->grab_window == nullptr)
+        {
+            gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+        }
+        else if (!g_object_get_data(G_OBJECT(event->grab_window), "g-lo-InstancePopup")) // another LibreOffice popover took a grab
+        {
+            //try and regrab, so when we lose the grab to the menu of the color palette
+            //combobox we regain it so the color palette doesn't itself disappear on next
+            //click on the color palette combobox
+            do_grab(GTK_WIDGET(m_pMenuWindow));
+        }
+    }
+
+    static gboolean signalButtonPress(GtkWidget*, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return pThis->button_press(pEvent);
+    }
+
+    bool button_press(GdkEventButton* pEvent)
+    {
+        //we want to pop down if the button was pressed outside our popup
+        if (button_event_is_outside(GTK_WIDGET(m_pMenuWindow), pEvent))
+            gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+        return false;
+    }
+
+    static gboolean signalMotion(GtkWidget*, GdkEventMotion*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_motion();
+        return false;
+    }
+
+    void signal_motion()
+    {
+        // if hover-selection was disabled after pressing a key, then turn it back on again
+        if (!m_bHoverSelection && !m_bMouseInOverlayButton)
+        {
+            gtk_tree_view_set_hover_selection(m_pTreeView, true);
+            m_bHoverSelection = true;
+        }
+    }
+
+    static void signalRowActivated(GtkTreeView*, GtkTreePath*, GtkTreeViewColumn*, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->handle_row_activated();
+    }
+
+    void handle_row_activated()
+    {
+        m_bActivateCalled = true;
+        m_bChangedByMenu = true;
+        disable_notify_events();
+        int nActive = get_active();
+        if (m_pEntry)
+            gtk_entry_set_text(GTK_ENTRY(m_pEntry), OUStringToOString(get_text(nActive), RTL_TEXTENCODING_UTF8).getStr());
+        else
+            tree_view_set_cursor(nActive);
+        enable_notify_events();
+        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_pToggleButton), false);
+        fire_signal_changed();
+        update_mru();
+    }
+
+    void do_clear()
+    {
+        disable_notify_events();
+        gtk_tree_view_set_row_separator_func(m_pTreeView, nullptr, nullptr, nullptr);
+        m_aSeparatorRows.clear();
+        gtk_list_store_clear(GTK_LIST_STORE(m_pTreeModel));
+        m_nMRUCount = 0;
+        enable_notify_events();
+    }
+
+    virtual int get_max_mru_count() const override
+    {
+        return m_nMaxMRUCount;
+    }
+
+    virtual void set_max_mru_count(int nMaxMRUCount) override
+    {
+        m_nMaxMRUCount = nMaxMRUCount;
+        update_mru();
+    }
+
+    void update_mru()
+    {
+        int nMRUCount = m_nMRUCount;
+
+        if (m_nMaxMRUCount)
+        {
+            OUString sActiveText = get_active_text();
+            OUString sActiveId = get_active_id();
+            insert_including_mru(0, sActiveText, &sActiveId, nullptr, nullptr);
+            ++m_nMRUCount;
+
+            for (int i = 1; i < m_nMRUCount - 1; ++i)
+            {
+                if (get_text_including_mru(i) == sActiveText)
+                {
+                    remove_including_mru(i);
+                    --m_nMRUCount;
+                    break;
+                }
+            }
+        }
+
+        while (m_nMRUCount > m_nMaxMRUCount)
+        {
+            remove_including_mru(m_nMRUCount - 1);
+            --m_nMRUCount;
+        }
+
+        if (m_nMRUCount && !nMRUCount)
+            insert_separator_including_mru(m_nMRUCount, "separator");
+        else if (!m_nMRUCount && nMRUCount)
+            remove_including_mru(m_nMRUCount);  // remove separator
+    }
+
+    int get_count_including_mru() const
+    {
+        return gtk_tree_model_iter_n_children(m_pTreeModel, nullptr);
+    }
+
+    int get_active_including_mru() const
+    {
+        return tree_view_get_cursor();
+    }
+
+    void set_active_including_mru(int pos, bool bInteractive)
+    {
+        assert(gtk_tree_view_get_model(m_pTreeView) && "don't set_active when frozen, set_active after thaw. Note selection doesn't survive a freeze");
+
+        disable_notify_events();
+
+        tree_view_set_cursor(pos);
+
+        if (m_pEntry)
+        {
+            if (pos != -1)
+                gtk_entry_set_text(GTK_ENTRY(m_pEntry), OUStringToOString(get_text_including_mru(pos), RTL_TEXTENCODING_UTF8).getStr());
+            else
+                gtk_entry_set_text(GTK_ENTRY(m_pEntry), "");
+        }
+
+        m_bChangedByMenu = false;
+        enable_notify_events();
+
+        if (bInteractive && !m_bPopupActive)
+            signal_changed();
+    }
+
+    int find_text_including_mru(std::u16string_view rStr, bool bSearchMRU) const
+    {
+        return find(rStr, m_nTextCol, bSearchMRU);
+    }
+
+    int find_id_including_mru(std::u16string_view rId, bool bSearchMRU) const
+    {
+        return find(rId, m_nIdCol, bSearchMRU);
+    }
+
+    OUString get_text_including_mru(int pos) const
+    {
+        return get(pos, m_nTextCol);
+    }
+
+    OUString get_id_including_mru(int pos) const
+    {
+        return get(pos, m_nIdCol);
+    }
+
+    void set_id_including_mru(int pos, std::u16string_view rId)
+    {
+        set(pos, m_nIdCol, rId);
+    }
+
+    void remove_including_mru(int pos)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        gtk_tree_model_iter_nth_child(m_pTreeModel, &iter, nullptr, pos);
+        if (!m_aSeparatorRows.empty())
+        {
+            bool bFound = false;
+
+            GtkTreePath* pPath = gtk_tree_path_new_from_indices(pos, -1);
+
+            for (auto aIter = m_aSeparatorRows.begin(); aIter != m_aSeparatorRows.end(); ++aIter)
+            {
+                GtkTreePath* seppath = gtk_tree_row_reference_get_path(aIter->get());
+                if (seppath)
+                {
+                    if (gtk_tree_path_compare(pPath, seppath) == 0)
+                        bFound = true;
+                    gtk_tree_path_free(seppath);
+                }
+                if (bFound)
+                {
+                    m_aSeparatorRows.erase(aIter);
+                    break;
+                }
+            }
+
+            gtk_tree_path_free(pPath);
+        }
+        gtk_list_store_remove(GTK_LIST_STORE(m_pTreeModel), &iter);
+        enable_notify_events();
+    }
+
+    void insert_separator_including_mru(int pos, const OUString& rId)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        if (!gtk_tree_view_get_row_separator_func(m_pTreeView))
+            gtk_tree_view_set_row_separator_func(m_pTreeView, separatorFunction, this, nullptr);
+        insert_row(GTK_LIST_STORE(m_pTreeModel), iter, pos, &rId, u"", nullptr, nullptr);
+        GtkTreePath* pPath = gtk_tree_path_new_from_indices(pos, -1);
+        m_aSeparatorRows.emplace_back(gtk_tree_row_reference_new(m_pTreeModel, pPath));
+        gtk_tree_path_free(pPath);
+        enable_notify_events();
+    }
+
+    void insert_including_mru(int pos, std::u16string_view rText, const OUString* pId, const OUString* pIconName, const VirtualDevice* pImageSurface)
+    {
+        disable_notify_events();
+        GtkTreeIter iter;
+        insert_row(GTK_LIST_STORE(m_pTreeModel), iter, pos, pId, rText, pIconName, pImageSurface);
+        enable_notify_events();
+    }
+
+    static gboolean signalGetChildPosition(GtkOverlay*, GtkWidget*, GdkRectangle* pAllocation, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return pThis->signal_get_child_position(pAllocation);
+    }
+
+    bool signal_get_child_position(GdkRectangle* pAllocation)
+    {
+        if (!gtk_widget_get_visible(GTK_WIDGET(m_pOverlayButton)))
+            return false;
+        if (!gtk_widget_get_realized(GTK_WIDGET(m_pTreeView)))
+            return false;
+        int nRow = find_id_including_mru(m_sMenuButtonRow, true);
+        if (nRow == -1)
+            return false;
+
+        gtk_widget_get_preferred_width(GTK_WIDGET(m_pOverlayButton), &pAllocation->width, nullptr);
+
+        GtkTreePath* pPath = gtk_tree_path_new_from_indices(nRow, -1);
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        tools::Rectangle aRect = get_row_area(m_pTreeView, pColumns, pPath);
+        gtk_tree_path_free(pPath);
+        g_list_free(pColumns);
+
+        pAllocation->x = aRect.Right() - pAllocation->width;
+        pAllocation->y = aRect.Top();
+        pAllocation->height = aRect.GetHeight();
+
+        return true;
+    }
+
+    static gboolean signalOverlayButtonCrossing(GtkWidget*, GdkEventCrossing* pEvent, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_overlay_button_crossing(pEvent->type == GDK_ENTER_NOTIFY);
+        return false;
+    }
+
+    void signal_overlay_button_crossing(bool bEnter)
+    {
+        m_bMouseInOverlayButton = bEnter;
+        if (!bEnter)
+            return;
+
+        if (m_bHoverSelection)
+        {
+            // once toggled button is pressed, turn off hover selection until
+            // mouse leaves the overlay button
+            gtk_tree_view_set_hover_selection(m_pTreeView, false);
+            m_bHoverSelection = false;
+        }
+        int nRow = find_id_including_mru(m_sMenuButtonRow, true);
+        assert(nRow != -1);
+        tree_view_set_cursor(nRow); // select the buttons row
+    }
+
+    void signal_combo_mnemonic_activate()
+    {
+        if (m_pEntry)
+            gtk_widget_grab_focus(m_pEntry);
+        else
+            gtk_widget_grab_focus(m_pToggleButton);
+    }
+
+    static gboolean signalComboMnemonicActivate(GtkWidget*, gboolean, gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        pThis->signal_combo_mnemonic_activate();
+        return true;
+    }
+
+    static gboolean signalComboTooltipQuery(GtkWidget* /*pWidget*/, gint x, gint y,
+                                            gboolean keyboard_mode, GtkTooltip *tooltip,
+                                            gpointer widget)
+    {
+        GtkInstanceComboBox* pThis = static_cast<GtkInstanceComboBox*>(widget);
+        return signalTooltipQuery(GTK_WIDGET(pThis->m_pComboBox), x, y, keyboard_mode, tooltip);
+    }
+
+    int include_mru(int pos)
+    {
+        if (m_nMRUCount && pos != -1)
+            pos += (m_nMRUCount + 1);
+        return pos;
+    }
+
+public:
+    GtkInstanceComboBox(GtkBuilder* pComboBuilder, GtkComboBox* pComboBox, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceContainer(GTK_CONTAINER(gtk_builder_get_object(pComboBuilder, "box")), pBuilder, bTakeOwnership)
+        , m_pComboBuilder(pComboBuilder)
+        , m_pComboBox(pComboBox)
+        , m_pOverlay(GTK_OVERLAY(gtk_builder_get_object(pComboBuilder, "overlay")))
+        , m_pTreeView(GTK_TREE_VIEW(gtk_builder_get_object(pComboBuilder, "treeview")))
+        , m_pOverlayButton(GTK_MENU_BUTTON(gtk_builder_get_object(pComboBuilder, "overlaybutton")))
+        , m_pMenuWindow(GTK_WINDOW(gtk_builder_get_object(pComboBuilder, "popup")))
+        , m_pTreeModel(gtk_combo_box_get_model(pComboBox))
+        , m_pButtonTextRenderer(nullptr)
+        , m_pToggleButton(GTK_WIDGET(gtk_builder_get_object(pComboBuilder, "button")))
+        , m_pEntry(GTK_WIDGET(gtk_builder_get_object(pComboBuilder, "entry")))
+        , m_pCellView(nullptr)
+        , m_aCustomFont(m_pWidget)
+        , m_aQuickSelectionEngine(*this)
+        , m_bHoverSelection(false)
+        , m_bMouseInOverlayButton(false)
+        , m_bPopupActive(false)
+        , m_bAutoComplete(false)
+        , m_bAutoCompleteCaseSensitive(false)
+        , m_bChangedByMenu(false)
+        , m_bCustomRenderer(false)
+        , m_bActivateCalled(false)
+        , m_nTextCol(gtk_combo_box_get_entry_text_column(pComboBox))
+        , m_nIdCol(gtk_combo_box_get_id_column(pComboBox))
+        , m_nToggleFocusInSignalId(0)
+        , m_nToggleFocusOutSignalId(0)
+        , m_nRowActivatedSignalId(g_signal_connect(m_pTreeView, "row-activated", G_CALLBACK(signalRowActivated), this))
+        , m_nChangedSignalId(g_signal_connect(m_pEntry, "changed", G_CALLBACK(signalChanged), this))
+        , m_nPopupShownSignalId(g_signal_connect(m_pToggleButton, "toggled", G_CALLBACK(signalPopupToggled), this))
+        , m_nAutoCompleteIdleId(0)
+        , m_nNonCustomLineHeight(-1)
+        , m_nPrePopupCursorPos(-1)
+        , m_nMRUCount(0)
+        , m_nMaxMRUCount(0)
+    {
+        int nActive = gtk_combo_box_get_active(m_pComboBox);
+
+        if (gtk_style_context_has_class(gtk_widget_get_style_context(GTK_WIDGET(m_pComboBox)), "small-button"))
+            gtk_style_context_add_class(gtk_widget_get_style_context(GTK_WIDGET(getContainer())), "small-button");
+
+        if (gtk_widget_get_has_tooltip(GTK_WIDGET(m_pComboBox)))
+        {
+            gtk_widget_set_has_tooltip(GTK_WIDGET(getContainer()), true);
+            g_signal_connect(getContainer(), "query-tooltip", G_CALLBACK(signalComboTooltipQuery), this);
+        }
+
+        insertAsParent(GTK_WIDGET(m_pComboBox), GTK_WIDGET(getContainer()));
+        gtk_widget_set_visible(GTK_WIDGET(m_pComboBox), false);
+        gtk_widget_set_no_show_all(GTK_WIDGET(m_pComboBox), true);
+
+        gtk_tree_view_set_model(m_pTreeView, m_pTreeModel);
+        /* tdf#136455 gtk_combo_box_set_model with a null Model should be good
+           enough. But in practice, while the ComboBox model is unset, GTK
+           doesn't unset the ComboBox menus model, so that remains listening to
+           additions to the ListStore and slowing things down massively.
+           Using a new model does reset the menu to listen to that unused one instead */
+        gtk_combo_box_set_model(m_pComboBox, GTK_TREE_MODEL(gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING)));
+
+        GtkTreeViewColumn* pCol = gtk_tree_view_column_new();
+        gtk_tree_view_append_column(m_pTreeView, pCol);
+
+        bool bPixbufUsedSurface = gtk_tree_model_get_n_columns(m_pTreeModel) == 4;
+
+        GList* cells = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(m_pComboBox));
+        // move the cell renderers from the combobox to the replacement treeview
+        m_pMenuTextRenderer = static_cast<GtkCellRenderer*>(cells->data);
+        for (GList* pRenderer = g_list_first(cells); pRenderer; pRenderer = g_list_next(pRenderer))
+        {
+            GtkCellRenderer* pCellRenderer = GTK_CELL_RENDERER(pRenderer->data);
+            bool bTextRenderer = pCellRenderer == m_pMenuTextRenderer;
+            gtk_tree_view_column_pack_end(pCol, pCellRenderer, bTextRenderer);
+            if (!bTextRenderer)
+            {
+                if (bPixbufUsedSurface)
+                    gtk_tree_view_column_set_attributes(pCol, pCellRenderer, "surface", 3, nullptr);
+                else
+                    gtk_tree_view_column_set_attributes(pCol, pCellRenderer, "pixbuf", 2, nullptr);
+            }
+        }
+
+        gtk_tree_view_column_set_attributes(pCol, m_pMenuTextRenderer, "text", m_nTextCol, nullptr);
+
+        if (gtk_combo_box_get_has_entry(m_pComboBox))
+        {
+            m_bAutoComplete = true;
+            m_nEntryInsertTextSignalId = g_signal_connect(m_pEntry, "insert-text", G_CALLBACK(signalEntryInsertText), this);
+            m_nEntryActivateSignalId = g_signal_connect(m_pEntry, "activate", G_CALLBACK(signalEntryActivate), this);
+            m_nEntryFocusInSignalId = g_signal_connect(m_pEntry, "focus-in-event", G_CALLBACK(signalEntryFocusIn), this);
+            m_nEntryFocusOutSignalId = g_signal_connect(m_pEntry, "focus-out-event", G_CALLBACK(signalEntryFocusOut), this);
+            m_nEntryKeyPressEventSignalId = g_signal_connect(m_pEntry, "key-press-event", G_CALLBACK(signalEntryKeyPress), this);
+            m_nEntryPopulatePopupMenuSignalId = g_signal_connect(m_pEntry, "populate-popup", G_CALLBACK(signalEntryPopulatePopup), nullptr);
+            m_nKeyPressEventSignalId = 0;
+        }
+        else
+        {
+            gtk_widget_set_visible(m_pEntry, false);
+            m_pEntry = nullptr;
+
+            GtkWidget* pArrow = GTK_WIDGET(gtk_builder_get_object(pComboBuilder, "arrow"));
+            gtk_container_child_set(getContainer(), m_pToggleButton, "expand", true, nullptr);
+
+            auto m_pCellArea = gtk_cell_area_box_new();
+            m_pCellView = GTK_CELL_VIEW(gtk_cell_view_new_with_context(m_pCellArea, nullptr));
+            gtk_widget_set_hexpand(GTK_WIDGET(m_pCellView), true);
+            GtkBox* pBox = GTK_BOX(gtk_widget_get_parent(pArrow));
+
+            gint nImageSpacing(2);
+            GtkStyleContext *pContext = gtk_widget_get_style_context(GTK_WIDGET(m_pToggleButton));
+            gtk_style_context_get_style(pContext, "image-spacing", &nImageSpacing, nullptr);
+            gtk_box_set_spacing(pBox, nImageSpacing);
+
+            gtk_box_pack_start(pBox, GTK_WIDGET(m_pCellView), false, true, 0);
+
+            gtk_cell_view_set_fit_model(m_pCellView, true);
+            gtk_cell_view_set_model(m_pCellView, m_pTreeModel);
+
+            m_pButtonTextRenderer = gtk_cell_renderer_text_new();
+            gtk_cell_layout_pack_end(GTK_CELL_LAYOUT(m_pCellView), m_pButtonTextRenderer, true);
+            gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(m_pCellView), m_pButtonTextRenderer, "text", m_nTextCol, nullptr);
+            if (g_list_length(cells) > 1)
+            {
+                GtkCellRenderer* pCellRenderer = gtk_cell_renderer_pixbuf_new();
+                gtk_cell_layout_pack_end(GTK_CELL_LAYOUT(m_pCellView), pCellRenderer, false);
+                if (bPixbufUsedSurface)
+                    gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(m_pCellView), pCellRenderer, "surface", 3, nullptr);
+                else
+                    gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(m_pCellView), pCellRenderer, "pixbuf", 2, nullptr);
+            }
+
+            gtk_widget_show_all(GTK_WIDGET(m_pCellView));
+
+            m_nEntryInsertTextSignalId = 0;
+            m_nEntryActivateSignalId = 0;
+            m_nEntryFocusInSignalId = 0;
+            m_nEntryFocusOutSignalId = 0;
+            m_nEntryKeyPressEventSignalId = 0;
+            m_nEntryPopulatePopupMenuSignalId = 0;
+            m_nKeyPressEventSignalId = g_signal_connect(m_pToggleButton, "key-press-event", G_CALLBACK(signalKeyPress), this);
+        }
+
+        g_list_free(cells);
+
+        if (nActive != -1)
+            tree_view_set_cursor(nActive);
+
+        g_signal_connect(getContainer(), "mnemonic-activate", G_CALLBACK(signalComboMnemonicActivate), this);
+
+        g_signal_connect(m_pMenuWindow, "grab-broken-event", G_CALLBACK(signalGrabBroken), this);
+        g_signal_connect(m_pMenuWindow, "button-press-event", G_CALLBACK(signalButtonPress), this);
+        g_signal_connect(m_pMenuWindow, "motion-notify-event", G_CALLBACK(signalMotion), this);
+        // support typeahead for the menu itself, typing into the menu will
+        // select via the vcl selection engine, a matching entry.
+        g_signal_connect(m_pMenuWindow, "key-press-event", G_CALLBACK(signalKeyPress), this);
+
+        g_signal_connect(m_pOverlay, "get-child-position", G_CALLBACK(signalGetChildPosition), this);
+        gtk_overlay_add_overlay(m_pOverlay, GTK_WIDGET(m_pOverlayButton));
+        g_signal_connect(m_pOverlayButton, "leave-notify-event", G_CALLBACK(signalOverlayButtonCrossing), this);
+        g_signal_connect(m_pOverlayButton, "enter-notify-event", G_CALLBACK(signalOverlayButtonCrossing), this);
+    }
+
+    virtual int get_active() const override
+    {
+        int nActive = get_active_including_mru();
+        if (nActive == -1)
+            return -1;
+
+        if (m_nMRUCount)
+        {
+            if (nActive < m_nMRUCount)
+                nActive = find_text(get_text_including_mru(nActive));
+            else
+                nActive -= (m_nMRUCount + 1);
+        }
+
+        return nActive;
+    }
+
+    virtual OUString get_active_id() const override
+    {
+        int nActive = get_active();
+        return nActive != -1 ? get_id(nActive) : OUString();
+    }
+
+    virtual void set_active_id(const OUString& rStr) override
+    {
+        set_active(find_id(rStr));
+        m_bChangedByMenu = false;
+    }
+
+    virtual void set_size_request(int nWidth, int nHeight) override
+    {
+        if (m_pButtonTextRenderer)
+        {
+            // tweak the cell render to get a narrower size to stick
+            if (nWidth != -1)
+            {
+                // this bit isn't great, I really want to be able to ellipse the text in the comboboxtext itself and let
+                // the popup menu render them in full, in the interim ellipse both of them
+                g_object_set(G_OBJECT(m_pButtonTextRenderer), "ellipsize", PANGO_ELLIPSIZE_MIDDLE, nullptr);
+
+                // to find out how much of the width of the combobox belongs to the cell, set
+                // the cell and widget to the min cell width and see what the difference is
+                int min;
+                gtk_cell_renderer_get_preferred_width(m_pButtonTextRenderer, m_pWidget, &min, nullptr);
+                gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, min, -1);
+                gtk_widget_set_size_request(m_pWidget, min, -1);
+                int nNonCellWidth = get_preferred_size().Width() - min;
+
+                int nCellWidth = nWidth - nNonCellWidth;
+                if (nCellWidth >= 0)
+                {
+                    // now set the cell to the max width which it can be within the
+                    // requested widget width
+                    gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, nWidth - nNonCellWidth, -1);
+                }
+            }
+            else
+            {
+                g_object_set(G_OBJECT(m_pButtonTextRenderer), "ellipsize", PANGO_ELLIPSIZE_NONE, nullptr);
+                gtk_cell_renderer_set_fixed_size(m_pButtonTextRenderer, -1, -1);
+            }
+        }
+
+        gtk_widget_set_size_request(m_pWidget, nWidth, nHeight);
+    }
+
+    virtual void set_active(int pos) override
+    {
+        set_active_including_mru(include_mru(pos), false);
+    }
+
+    virtual OUString get_active_text() const override
+    {
+        if (m_pEntry)
+        {
+            const gchar* pText = gtk_entry_get_text(GTK_ENTRY(m_pEntry));
+            return OUString(pText, pText ? strlen(pText) : 0, RTL_TEXTENCODING_UTF8);
+        }
+
+        int nActive = get_active();
+        if (nActive == -1)
+           return OUString();
+
+        return get_text(nActive);
+    }
+
+    virtual OUString get_text(int pos) const override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        return get_text_including_mru(pos);
+    }
+
+    virtual OUString get_id(int pos) const override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        return get_id_including_mru(pos);
+    }
+
+    virtual void set_id(int pos, const OUString& rId) override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        set_id_including_mru(pos, rId);
+    }
+
+    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems, bool bKeepExisting) override
+    {
+        freeze();
+
+        int nInsertionPoint;
+        if (!bKeepExisting)
+        {
+            clear();
+            nInsertionPoint = 0;
+        }
+        else
+            nInsertionPoint = get_count();
+
+        GtkTreeIter iter;
+        // tdf#125241 inserting backwards is faster
+        for (auto aI = rItems.rbegin(); aI != rItems.rend(); ++aI)
+        {
+            const auto& rItem = *aI;
+            insert_row(GTK_LIST_STORE(m_pTreeModel), iter, nInsertionPoint, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
+                       rItem.sString, rItem.sImage.isEmpty() ? nullptr : &rItem.sImage, nullptr);
+        }
+
+        thaw();
+    }
+
+    virtual void remove(int pos) override
+    {
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        remove_including_mru(pos);
+    }
+
+    virtual void insert(int pos, const OUString& rText, const OUString* pId, const OUString* pIconName, VirtualDevice* pImageSurface) override
+    {
+        insert_including_mru(include_mru(pos), rText, pId, pIconName, pImageSurface);
+    }
+
+    virtual void insert_separator(int pos, const OUString& rId) override
+    {
+        pos = pos == -1 ? get_count() : pos;
+        if (m_nMRUCount)
+            pos += (m_nMRUCount + 1);
+        insert_separator_including_mru(pos, rId);
+    }
+
+    virtual int get_count() const override
+    {
+        int nCount = get_count_including_mru();
+        if (m_nMRUCount)
+            nCount -= (m_nMRUCount + 1);
+        return nCount;
+    }
+
+    virtual int find_text(const OUString& rStr) const override
+    {
+        int nPos = find_text_including_mru(rStr, false);
+        if (nPos != -1 && m_nMRUCount)
+            nPos -= (m_nMRUCount + 1);
+        return nPos;
+    }
+
+    virtual int find_id(const OUString& rId) const override
+    {
+        int nPos = find_id_including_mru(rId, false);
+        if (nPos != -1 && m_nMRUCount)
+            nPos -= (m_nMRUCount + 1);
+        return nPos;
+    }
+
+    virtual void clear() override
+    {
+        do_clear();
+    }
+
+    virtual void make_sorted() override
+    {
+        m_xSorter.reset(new comphelper::string::NaturalStringSorter(
+                            ::comphelper::getProcessComponentContext(),
+                            Application::GetSettings().GetUILanguageTag().getLocale()));
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+        gtk_tree_sortable_set_sort_column_id(pSortable, m_nTextCol, GTK_SORT_ASCENDING);
+        gtk_tree_sortable_set_sort_func(pSortable, m_nTextCol, default_sort_func, m_xSorter.get(), nullptr);
+    }
+
+    virtual bool has_entry() const override
+    {
+        return gtk_combo_box_get_has_entry(m_pComboBox);
+    }
+
+    virtual void set_entry_message_type(weld::EntryMessageType eType) override
+    {
+        assert(m_pEntry);
+        ::set_entry_message_type(GTK_ENTRY(m_pEntry), eType);
+    }
+
+    virtual void set_entry_text(const OUString& rText) override
+    {
+        assert(m_pEntry);
+        disable_notify_events();
+        gtk_entry_set_text(GTK_ENTRY(m_pEntry), OUStringToOString(rText, RTL_TEXTENCODING_UTF8).getStr());
+        enable_notify_events();
+    }
+
+    virtual void set_entry_width_chars(int nChars) override
+    {
+        assert(m_pEntry);
+        disable_notify_events();
+        gtk_entry_set_width_chars(GTK_ENTRY(m_pEntry), nChars);
+        gtk_entry_set_max_width_chars(GTK_ENTRY(m_pEntry), nChars);
+        enable_notify_events();
+    }
+
+    virtual void set_entry_max_length(int nChars) override
+    {
+        assert(m_pEntry);
+        disable_notify_events();
+        gtk_entry_set_max_length(GTK_ENTRY(m_pEntry), nChars);
+        enable_notify_events();
+    }
+
+    virtual void select_entry_region(int nStartPos, int nEndPos) override
+    {
+        assert(m_pEntry);
+        disable_notify_events();
+        gtk_editable_select_region(GTK_EDITABLE(m_pEntry), nStartPos, nEndPos);
+        enable_notify_events();
+    }
+
+    virtual bool get_entry_selection_bounds(int& rStartPos, int &rEndPos) override
+    {
+        assert(m_pEntry);
+        return gtk_editable_get_selection_bounds(GTK_EDITABLE(m_pEntry), &rStartPos, &rEndPos);
+    }
+
+    virtual void set_entry_completion(bool bEnable, bool bCaseSensitive) override
+    {
+        m_bAutoComplete = bEnable;
+        m_bAutoCompleteCaseSensitive = bCaseSensitive;
+    }
+
+    virtual void set_entry_placeholder_text(const OUString& rText) override
+    {
+        assert(m_pEntry);
+        gtk_entry_set_placeholder_text(GTK_ENTRY(m_pEntry), rText.toUtf8().getStr());
+    }
+
+    virtual void set_entry_editable(bool bEditable) override
+    {
+        assert(m_pEntry);
+        gtk_editable_set_editable(GTK_EDITABLE(m_pEntry), bEditable);
+    }
+
+    virtual void cut_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_editable_cut_clipboard(GTK_EDITABLE(m_pEntry));
+    }
+
+    virtual void copy_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_editable_copy_clipboard(GTK_EDITABLE(m_pEntry));
+    }
+
+    virtual void paste_entry_clipboard() override
+    {
+        assert(m_pEntry);
+        gtk_editable_paste_clipboard(GTK_EDITABLE(m_pEntry));
+    }
+
+    virtual void set_font(const vcl::Font& rFont) override
+    {
+        m_aCustomFont.use_custom_font(&rFont, u"box#combobox");
+    }
+
+    virtual vcl::Font get_font() override
+    {
+        if (const vcl::Font* pFont = m_aCustomFont.get_custom_font())
+            return *pFont;
+        return GtkInstanceWidget::get_font();
+    }
+
+    virtual void set_entry_font(const vcl::Font& rFont) override
+    {
+        m_xEntryFont = rFont;
+        assert(m_pEntry);
+        PangoAttrList* pOrigList = gtk_entry_get_attributes(GTK_ENTRY(m_pEntry));
+        PangoAttrList* pAttrList = pOrigList ? pango_attr_list_copy(pOrigList) : pango_attr_list_new();
+        update_attr_list(pAttrList, rFont);
+        gtk_entry_set_attributes(GTK_ENTRY(m_pEntry), pAttrList);
+        pango_attr_list_unref(pAttrList);
+    }
+
+    virtual vcl::Font get_entry_font() override
+    {
+        if (m_xEntryFont)
+            return *m_xEntryFont;
+        assert(m_pEntry);
+        PangoContext* pContext = gtk_widget_get_pango_context(m_pEntry);
+        return pango_to_vcl(pango_context_get_font_description(pContext),
+                            Application::GetSettings().GetUILanguageTag().getLocale());
+    }
+
+    virtual void disable_notify_events() override
+    {
+        if (m_pEntry)
+        {
+            g_signal_handler_block(m_pEntry, m_nEntryInsertTextSignalId);
+            g_signal_handler_block(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_block(m_pEntry, m_nEntryFocusInSignalId);
+            g_signal_handler_block(m_pEntry, m_nEntryFocusOutSignalId);
+            g_signal_handler_block(m_pEntry, m_nEntryKeyPressEventSignalId);
+            g_signal_handler_block(m_pEntry, m_nChangedSignalId);
+        }
+        else
+            g_signal_handler_block(m_pToggleButton, m_nKeyPressEventSignalId);
+        if (m_nToggleFocusInSignalId)
+            g_signal_handler_block(m_pToggleButton, m_nToggleFocusInSignalId);
+        if (m_nToggleFocusOutSignalId)
+            g_signal_handler_block(m_pToggleButton, m_nToggleFocusOutSignalId);
+        g_signal_handler_block(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_block(m_pToggleButton, m_nPopupShownSignalId);
+        GtkInstanceContainer::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkInstanceContainer::enable_notify_events();
+        g_signal_handler_unblock(m_pToggleButton, m_nPopupShownSignalId);
+        g_signal_handler_unblock(m_pTreeView, m_nRowActivatedSignalId);
+        if (m_nToggleFocusInSignalId)
+            g_signal_handler_unblock(m_pToggleButton, m_nToggleFocusInSignalId);
+        if (m_nToggleFocusOutSignalId)
+            g_signal_handler_unblock(m_pToggleButton, m_nToggleFocusOutSignalId);
+        if (m_pEntry)
+        {
+            g_signal_handler_unblock(m_pEntry, m_nChangedSignalId);
+            g_signal_handler_unblock(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_unblock(m_pEntry, m_nEntryFocusInSignalId);
+            g_signal_handler_unblock(m_pEntry, m_nEntryFocusOutSignalId);
+            g_signal_handler_unblock(m_pEntry, m_nEntryKeyPressEventSignalId);
+            g_signal_handler_unblock(m_pEntry, m_nEntryInsertTextSignalId);
+        }
+        else
+            g_signal_handler_unblock(m_pToggleButton, m_nKeyPressEventSignalId);
+    }
+
+    virtual void freeze() override
+    {
+        disable_notify_events();
+        bool bIsFirstFreeze = IsFirstFreeze();
+        GtkInstanceContainer::freeze();
+        if (bIsFirstFreeze)
+        {
+            g_object_ref(m_pTreeModel);
+            gtk_tree_view_set_model(m_pTreeView, nullptr);
+            g_object_freeze_notify(G_OBJECT(m_pTreeModel));
+            if (m_xSorter)
+            {
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_set_sort_column_id(pSortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
+            }
+        }
+        enable_notify_events();
+    }
+
+    virtual void thaw() override
+    {
+        disable_notify_events();
+        if (IsLastThaw())
+        {
+            if (m_xSorter)
+            {
+                GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(m_pTreeModel);
+                gtk_tree_sortable_set_sort_column_id(pSortable, m_nTextCol, GTK_SORT_ASCENDING);
+            }
+            g_object_thaw_notify(G_OBJECT(m_pTreeModel));
+            gtk_tree_view_set_model(m_pTreeView, m_pTreeModel);
+            g_object_unref(m_pTreeModel);
+        }
+        GtkInstanceContainer::thaw();
+        enable_notify_events();
+    }
+
+    virtual bool get_popup_shown() const override
+    {
+        return m_bPopupActive;
+    }
+
+    virtual void connect_focus_in(const Link<Widget&, void>& rLink) override
+    {
+        if (!m_nToggleFocusInSignalId)
+            m_nToggleFocusInSignalId = g_signal_connect_after(m_pToggleButton, "focus-in-event", G_CALLBACK(signalFocusIn), this);
+        GtkInstanceContainer::connect_focus_in(rLink);
+    }
+
+    virtual void connect_focus_out(const Link<Widget&, void>& rLink) override
+    {
+        if (!m_nToggleFocusOutSignalId)
+            m_nToggleFocusOutSignalId = g_signal_connect_after(m_pToggleButton, "focus-out-event", G_CALLBACK(signalFocusOut), this);
+        GtkInstanceContainer::connect_focus_out(rLink);
+    }
+
+    virtual void grab_focus() override
+    {
+        if (has_focus())
+            return;
+        if (m_pEntry)
+            gtk_widget_grab_focus(m_pEntry);
+        else
+            gtk_widget_grab_focus(m_pToggleButton);
+    }
+
+    virtual bool has_focus() const override
+    {
+        if (m_pEntry && gtk_widget_has_focus(m_pEntry))
+            return true;
+
+        if (gtk_widget_has_focus(m_pToggleButton))
+            return true;
+
+        if (gtk_widget_get_visible(GTK_WIDGET(m_pMenuWindow)))
+        {
+            if (gtk_widget_has_focus(GTK_WIDGET(m_pOverlayButton)) || gtk_widget_has_focus(GTK_WIDGET(m_pTreeView)))
+                return true;
+        }
+
+        return GtkInstanceWidget::has_focus();
+    }
+
+    virtual bool changed_by_direct_pick() const override
+    {
+        return m_bChangedByMenu;
+    }
+
+    virtual void set_custom_renderer(bool bOn) override
+    {
+        if (bOn == m_bCustomRenderer)
+            return;
+        GList* pColumns = gtk_tree_view_get_columns(m_pTreeView);
+        // keep the original height around for optimal popup height calculation
+        m_nNonCustomLineHeight = bOn ? ::get_height_row(m_pTreeView, pColumns) : -1;
+        GtkTreeViewColumn* pColumn = GTK_TREE_VIEW_COLUMN(pColumns->data);
+        gtk_cell_layout_clear(GTK_CELL_LAYOUT(pColumn));
+        if (bOn)
+        {
+            GtkCellRenderer *pRenderer = custom_cell_renderer_new();
+            GValue value = G_VALUE_INIT;
+            g_value_init(&value, G_TYPE_POINTER);
+            g_value_set_pointer(&value, static_cast<gpointer>(this));
+            g_object_set_property(G_OBJECT(pRenderer), "instance", &value);
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "id", m_nIdCol);
+        }
+        else
+        {
+            GtkCellRenderer *pRenderer = gtk_cell_renderer_text_new();
+            gtk_tree_view_column_pack_start(pColumn, pRenderer, true);
+            gtk_tree_view_column_add_attribute(pColumn, pRenderer, "text", m_nTextCol);
+        }
+        g_list_free(pColumns);
+        m_bCustomRenderer = bOn;
+    }
+
+    void call_signal_custom_render(VirtualDevice& rOutput, const tools::Rectangle& rRect, bool bSelected, const OUString& rId)
+    {
+        signal_custom_render(rOutput, rRect, bSelected, rId);
+    }
+
+    Size call_signal_custom_get_size(VirtualDevice& rOutput)
+    {
+        return signal_custom_get_size(rOutput);
+    }
+
+    VclPtr<VirtualDevice> create_render_virtual_device() const override
+    {
+        return create_virtual_device();
+    }
+
+    virtual void set_item_menu(const OUString& rIdent, weld::Menu* pMenu) override
+    {
+        m_xCustomMenuButtonHelper.reset();
+        GtkInstanceMenu* pPopoverWidget = dynamic_cast<GtkInstanceMenu*>(pMenu);
+        GtkWidget* pMenuWidget = GTK_WIDGET(pPopoverWidget ? pPopoverWidget->getMenu() : nullptr);
+        gtk_menu_button_set_popup(m_pOverlayButton, pMenuWidget);
+        gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), pMenuWidget != nullptr);
+        gtk_widget_queue_resize_no_redraw(GTK_WIDGET(m_pOverlayButton)); // force location recalc
+        if (pMenuWidget)
+            m_xCustomMenuButtonHelper.reset(new CustomRenderMenuButtonHelper(GTK_MENU(pMenuWidget), GTK_TOGGLE_BUTTON(m_pToggleButton)));
+        m_sMenuButtonRow = rIdent;
+    }
+
+    OUString get_mru_entries() const override
+    {
+        const sal_Unicode cSep = ';';
+
+        OUStringBuffer aEntries;
+        for (sal_Int32 n = 0; n < m_nMRUCount; n++)
+        {
+            aEntries.append(get_text_including_mru(n));
+            if (n < m_nMRUCount - 1)
+                aEntries.append(cSep);
+        }
+        return aEntries.makeStringAndClear();
+    }
+
+    virtual void set_mru_entries(const OUString& rEntries) override
+    {
+        const sal_Unicode cSep = ';';
+
+        // Remove old MRU entries
+        for (sal_Int32 n = m_nMRUCount; n;)
+            remove_including_mru(--n);
+
+        sal_Int32 nMRUCount = 0;
+        sal_Int32 nIndex = 0;
+        do
+        {
+            OUString aEntry = rEntries.getToken(0, cSep, nIndex);
+            // Accept only existing entries
+            int nPos = find_text(aEntry);
+            if (nPos != -1)
+            {
+                OUString sId = get_id(nPos);
+                insert_including_mru(0, aEntry, &sId, nullptr, nullptr);
+                ++nMRUCount;
+            }
+        }
+        while (nIndex >= 0);
+
+        if (nMRUCount && !m_nMRUCount)
+            insert_separator_including_mru(nMRUCount, "separator");
+        else if (!nMRUCount && m_nMRUCount)
+            remove_including_mru(m_nMRUCount);  // remove separator
+
+        m_nMRUCount = nMRUCount;
+    }
+
+    int get_menu_button_width() const override
+    {
+        bool bVisible = gtk_widget_get_visible(GTK_WIDGET(m_pOverlayButton));
+        if (!bVisible)
+            gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), true);
+        gint nWidth;
+        gtk_widget_get_preferred_width(GTK_WIDGET(m_pOverlayButton), &nWidth, nullptr);
+        if (!bVisible)
+            gtk_widget_set_visible(GTK_WIDGET(m_pOverlayButton), false);
+        return nWidth;
+    }
+
+    virtual ~GtkInstanceComboBox() override
+    {
+        m_xCustomMenuButtonHelper.reset();
+        do_clear();
+        if (m_nAutoCompleteIdleId)
+            g_source_remove(m_nAutoCompleteIdleId);
+        if (m_pEntry)
+        {
+            g_signal_handler_disconnect(m_pEntry, m_nChangedSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryInsertTextSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryActivateSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryFocusInSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryFocusOutSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryKeyPressEventSignalId);
+            g_signal_handler_disconnect(m_pEntry, m_nEntryPopulatePopupMenuSignalId);
+        }
+        else
+            g_signal_handler_disconnect(m_pToggleButton, m_nKeyPressEventSignalId);
+        if (m_nToggleFocusInSignalId)
+            g_signal_handler_disconnect(m_pToggleButton, m_nToggleFocusInSignalId);
+        if (m_nToggleFocusOutSignalId)
+            g_signal_handler_disconnect(m_pToggleButton, m_nToggleFocusOutSignalId);
+        g_signal_handler_disconnect(m_pTreeView, m_nRowActivatedSignalId);
+        g_signal_handler_disconnect(m_pToggleButton, m_nPopupShownSignalId);
+
+        gtk_combo_box_set_model(m_pComboBox, m_pTreeModel);
+        gtk_tree_view_set_model(m_pTreeView, nullptr);
+
+        // restore original hierarchy in dtor so a new GtkInstanceComboBox will
+        // result in the same layout each time
+        {
+            DisconnectMouseEvents();
+
+            g_object_ref(m_pComboBox);
+
+            GtkContainer* pContainer = getContainer();
+
+            gtk_container_remove(pContainer, GTK_WIDGET(m_pComboBox));
+
+            replaceWidget(GTK_WIDGET(pContainer), GTK_WIDGET(m_pComboBox));
+
+            g_object_unref(m_pComboBox);
+        }
+
+        g_object_unref(m_pComboBuilder);
+    }
+};
+
+#endif
+
+}
+
+void custom_cell_renderer_ensure_device(CustomCellRenderer *cellsurface, gpointer user_data)
+{
+    if (!cellsurface->device)
+    {
+        cellsurface->device = VclPtr<VirtualDevice>::Create();
+        cellsurface->device->SetBackground(COL_TRANSPARENT);
+        GtkInstanceWidget* pWidget = static_cast<GtkInstanceWidget*>(user_data);
+        // expand the point size of the desired font to the equivalent pixel size
+        weld::SetPointFont(*cellsurface->device, pWidget->get_font());
+    }
+}
+
+Size custom_cell_renderer_get_size(VirtualDevice& rDevice, const OUString& rCellId, gpointer user_data)
+{
+    GtkInstanceWidget* pWidget = static_cast<GtkInstanceWidget*>(user_data);
+    if (GtkInstanceTreeView* pTreeView = dynamic_cast<GtkInstanceTreeView*>(pWidget))
+        return pTreeView->call_signal_custom_get_size(rDevice, rCellId);
+    else if (GtkInstanceComboBox* pComboBox = dynamic_cast<GtkInstanceComboBox*>(pWidget))
+        return pComboBox->call_signal_custom_get_size(rDevice);
+    return Size();
+}
+
+void custom_cell_renderer_render(VirtualDevice& rDevice, const tools::Rectangle& rRect, bool bSelected, const OUString& rCellId, gpointer user_data)
+{
+    GtkInstanceWidget* pWidget = static_cast<GtkInstanceWidget*>(user_data);
+    if (GtkInstanceTreeView* pTreeView = dynamic_cast<GtkInstanceTreeView*>(pWidget))
+        pTreeView->call_signal_custom_render(rDevice, rRect, bSelected, rCellId);
+    else if (GtkInstanceComboBox* pComboBox = dynamic_cast<GtkInstanceComboBox*>(pWidget))
+        pComboBox->call_signal_custom_render(rDevice, rRect, bSelected, rCellId);
+}
+
+namespace {
+
+class GtkInstanceEntryTreeView : public GtkInstanceContainer, public virtual weld::EntryTreeView
+{
+private:
+    GtkInstanceEntry* m_pEntry;
+    GtkInstanceTreeView* m_pTreeView;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nKeyPressSignalId;
+#endif
+    gulong m_nEntryInsertTextSignalId;
+    guint m_nAutoCompleteIdleId;
+    bool m_bAutoCompleteCaseSensitive;
+    bool m_bTreeChange;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    bool signal_key_press(GdkEventKey* pEvent)
+    {
+        if (GtkSalFrame::GetMouseModCode(pEvent->state)) // only with no modifiers held
+            return false;
+
+        if (pEvent->keyval == GDK_KEY_KP_Up || pEvent->keyval == GDK_KEY_Up || pEvent->keyval == GDK_KEY_KP_Page_Up || pEvent->keyval == GDK_KEY_Page_Up ||
+            pEvent->keyval == GDK_KEY_KP_Down || pEvent->keyval == GDK_KEY_Down || pEvent->keyval == GDK_KEY_KP_Page_Down || pEvent->keyval == GDK_KEY_Page_Down)
+        {
+            gboolean ret;
+            disable_notify_events();
+            GtkWidget* pWidget = m_pTreeView->getWidget();
+            if (m_pTreeView->get_selected_index() == -1)
+            {
+                m_pTreeView->set_cursor(0);
+                m_pTreeView->select(0);
+                m_xEntry->set_text(m_xTreeView->get_selected_text());
+            }
+            else
+            {
+                gtk_widget_grab_focus(pWidget);
+                g_signal_emit_by_name(pWidget, "key-press-event", pEvent, &ret);
+                m_xEntry->set_text(m_xTreeView->get_selected_text());
+                gtk_widget_grab_focus(m_pEntry->getWidget());
+            }
+            m_xEntry->select_region(0, -1);
+            enable_notify_events();
+            m_bTreeChange = true;
+            m_pEntry->fire_signal_changed();
+            m_bTreeChange = false;
+            return true;
+        }
+        return false;
+    }
+
+    static gboolean signalKeyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstanceEntryTreeView* pThis = static_cast<GtkInstanceEntryTreeView*>(widget);
+        return pThis->signal_key_press(pEvent);
+    }
+#endif
+
+    static gboolean idleAutoComplete(gpointer widget)
+    {
+        GtkInstanceEntryTreeView* pThis = static_cast<GtkInstanceEntryTreeView*>(widget);
+        pThis->auto_complete();
+        return false;
+    }
+
+    void auto_complete()
+    {
+        m_nAutoCompleteIdleId = 0;
+        OUString aStartText = get_active_text();
+        int nStartPos, nEndPos;
+        get_entry_selection_bounds(nStartPos, nEndPos);
+        int nMaxSelection = std::max(nStartPos, nEndPos);
+        if (nMaxSelection != aStartText.getLength())
+            return;
+
+        disable_notify_events();
+        int nActive = get_active();
+        int nStart = nActive;
+
+        if (nStart == -1)
+            nStart = 0;
+
+        // Try match case sensitive from current position
+        int nPos = m_pTreeView->starts_with(aStartText, nStart, true);
+        if (nPos == -1 && nStart != 0)
+        {
+            // Try match case insensitive, but from start
+            nPos = m_pTreeView->starts_with(aStartText, 0, true);
+        }
+
+        if (!m_bAutoCompleteCaseSensitive)
+        {
+            // Try match case insensitive from current position
+            nPos = m_pTreeView->starts_with(aStartText, nStart, false);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case insensitive, but from start
+                nPos = m_pTreeView->starts_with(aStartText, 0, false);
+            }
+        }
+
+        if (nPos == -1)
+        {
+            // Try match case sensitive from current position
+            nPos = m_pTreeView->starts_with(aStartText, nStart, true);
+            if (nPos == -1 && nStart != 0)
+            {
+                // Try match case sensitive, but from start
+                nPos = m_pTreeView->starts_with(aStartText, 0, true);
+            }
+        }
+
+        if (nPos != -1)
+        {
+            OUString aText = get_text(nPos);
+            if (aText != aStartText)
+                set_active_text(aText);
+            select_entry_region(aText.getLength(), aStartText.getLength());
+        }
+        enable_notify_events();
+    }
+
+    void signal_entry_insert_text(GtkEntry*, const gchar*, gint, gint*)
+    {
+        // now check for autocompletes
+        if (m_nAutoCompleteIdleId)
+            g_source_remove(m_nAutoCompleteIdleId);
+        m_nAutoCompleteIdleId = g_idle_add(idleAutoComplete, this);
+    }
+
+    static void signalEntryInsertText(GtkEntry* pEntry, const gchar* pNewText, gint nNewTextLength,
+                                      gint* position, gpointer widget)
+    {
+        GtkInstanceEntryTreeView* pThis = static_cast<GtkInstanceEntryTreeView*>(widget);
+        pThis->signal_entry_insert_text(pEntry, pNewText, nNewTextLength, position);
+    }
+
+
+public:
+#if GTK_CHECK_VERSION(4, 0, 0)
+    GtkInstanceEntryTreeView(GtkWidget* pContainer, GtkInstanceBuilder* pBuilder, bool bTakeOwnership,
+                             std::unique_ptr<weld::Entry> xEntry, std::unique_ptr<weld::TreeView> xTreeView)
+#else
+    GtkInstanceEntryTreeView(GtkContainer* pContainer, GtkInstanceBuilder* pBuilder, bool bTakeOwnership,
+                             std::unique_ptr<weld::Entry> xEntry, std::unique_ptr<weld::TreeView> xTreeView)
+#endif
+        : EntryTreeView(std::move(xEntry), std::move(xTreeView))
+        , GtkInstanceContainer(pContainer, pBuilder, bTakeOwnership)
+        , m_pEntry(dynamic_cast<GtkInstanceEntry*>(m_xEntry.get()))
+        , m_pTreeView(dynamic_cast<GtkInstanceTreeView*>(m_xTreeView.get()))
+        , m_nAutoCompleteIdleId(0)
+        , m_bAutoCompleteCaseSensitive(false)
+        , m_bTreeChange(false)
+    {
+        assert(m_pEntry);
+        GtkWidget* pWidget = m_pEntry->getWidget();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        m_nKeyPressSignalId = g_signal_connect(pWidget, "key-press-event", G_CALLBACK(signalKeyPress), this);
+#endif
+        m_nEntryInsertTextSignalId = g_signal_connect(pWidget, "insert-text", G_CALLBACK(signalEntryInsertText), this);
+    }
+
+    virtual void insert_separator(int /*pos*/, const OUString& /*rId*/) override
+    {
+        assert(false);
+    }
+
+    virtual void make_sorted() override
+    {
+        GtkWidget* pTreeView = m_pTreeView->getWidget();
+        GtkTreeModel* pModel = gtk_tree_view_get_model(GTK_TREE_VIEW(pTreeView));
+        GtkTreeSortable* pSortable = GTK_TREE_SORTABLE(pModel);
+        gtk_tree_sortable_set_sort_column_id(pSortable, 1, GTK_SORT_ASCENDING);
+    }
+
+    virtual void set_entry_completion(bool bEnable, bool bCaseSensitive) override
+    {
+        assert(!bEnable && "not implemented yet"); (void)bEnable;
+        m_bAutoCompleteCaseSensitive = bCaseSensitive;
+    }
+
+    virtual void set_entry_placeholder_text(const OUString& rText) override
+    {
+        m_xEntry->set_placeholder_text(rText);
+    }
+
+    virtual void set_entry_editable(bool bEditable) override
+    {
+        m_xEntry->set_editable(bEditable);
+    }
+
+    virtual void cut_entry_clipboard() override
+    {
+        m_xEntry->cut_clipboard();
+    }
+
+    virtual void copy_entry_clipboard() override
+    {
+        m_xEntry->copy_clipboard();
+    }
+
+    virtual void paste_entry_clipboard() override
+    {
+        m_xEntry->paste_clipboard();
+    }
+
+    virtual void set_font(const vcl::Font&) override
+    {
+        assert(false && "not implemented");
+    }
+
+    virtual void set_entry_font(const vcl::Font& rFont) override
+    {
+        m_xEntry->set_font(rFont);
+    }
+
+    virtual vcl::Font get_entry_font() override
+    {
+        return m_xEntry->get_font();
+    }
+
+    virtual void grab_focus() override { m_xEntry->grab_focus(); }
+
+    virtual void connect_focus_in(const Link<Widget&, void>& rLink) override
+    {
+        m_xEntry->connect_focus_in(rLink);
+    }
+
+    virtual void connect_focus_out(const Link<Widget&, void>& rLink) override
+    {
+        m_xEntry->connect_focus_out(rLink);
+    }
+
+    virtual void disable_notify_events() override
+    {
+        GtkWidget* pWidget = m_pEntry->getWidget();
+        g_signal_handler_block(pWidget, m_nEntryInsertTextSignalId);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_block(pWidget, m_nKeyPressSignalId);
+#endif
+        m_pTreeView->disable_notify_events();
+        GtkInstanceContainer::disable_notify_events();
+    }
+
+    virtual void enable_notify_events() override
+    {
+        GtkWidget* pWidget = m_pEntry->getWidget();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_unblock(pWidget, m_nKeyPressSignalId);
+#endif
+        g_signal_handler_unblock(pWidget, m_nEntryInsertTextSignalId);
+        m_pTreeView->enable_notify_events();
+        GtkInstanceContainer::enable_notify_events();
+    }
+
+    virtual bool changed_by_direct_pick() const override
+    {
+        return m_bTreeChange;
+    }
+
+    virtual void set_custom_renderer(bool /*bOn*/) override
+    {
+        assert(false && "not implemented");
+    }
+
+    virtual int get_max_mru_count() const override
+    {
+        assert(false && "not implemented");
+        return 0;
+    }
+
+    virtual void set_max_mru_count(int) override
+    {
+        assert(false && "not implemented");
+    }
+
+    virtual OUString get_mru_entries() const override
+    {
+        assert(false && "not implemented");
+        return OUString();
+    }
+
+    virtual void set_mru_entries(const OUString&) override
+    {
+        assert(false && "not implemented");
+    }
+
+    virtual void set_item_menu(const OUString&, weld::Menu*) override
+    {
+        assert(false && "not implemented");
+    }
+
+    VclPtr<VirtualDevice> create_render_virtual_device() const override
+    {
+        return create_virtual_device();
+    }
+
+    int get_menu_button_width() const override
+    {
+        assert(false && "not implemented");
+        return 0;
+    }
+
+    virtual ~GtkInstanceEntryTreeView() override
+    {
+        if (m_nAutoCompleteIdleId)
+            g_source_remove(m_nAutoCompleteIdleId);
+        GtkWidget* pWidget = m_pEntry->getWidget();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(pWidget, m_nKeyPressSignalId);
+#endif
+        g_signal_handler_disconnect(pWidget, m_nEntryInsertTextSignalId);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstanceExpander : public GtkInstanceWidget, public virtual weld::Expander
+{
+private:
+    GtkExpander* m_pExpander;
+    gulong m_nSignalId;
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gulong m_nButtonPressEventSignalId;
+    gulong m_nMappedSignalId;
+#endif
+
+    static void signalExpanded(GtkExpander* /*pExpander*/, GParamSpec*, gpointer widget)
+    {
+        GtkInstanceExpander* pThis = static_cast<GtkInstanceExpander*>(widget);
+        SolarMutexGuard aGuard;
+        pThis->signal_expanded();
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean signalButton(GtkWidget*, GdkEventButton*, gpointer)
+    {
+        // don't let button press get to parent window, for the case of the
+        // an expander in a sidebar where otherwise single click to expand
+        // doesn't work
+        return true;
+    }
+
+    /* tdf#141186 if the expander is initially collapsed then when mapped all its
+       children are mapped too. If they are mapped then the mnemonics of the
+       children are taken into account on shortcuts and non-visible children in a
+       collapsed expander can be triggered which is confusing.
+
+       If the expander is expanded and collapsed the child is unmapped and the
+       problem doesn't occur.
+
+       So to avoid the problem of an initially collapsed expander, listen to
+       the map event and if the expander is mapped but collapsed then unmap the
+       child of the expander.
+
+       This problem was seen in gtk3-3.24.33 and not with gtk4-4.6.4 so a gtk3
+       fix only needed.
+    */
+    static void signalMap(GtkWidget*, gpointer widget)
+    {
+        GtkInstanceExpander* pThis = static_cast<GtkInstanceExpander*>(widget);
+        if (!gtk_expander_get_expanded(pThis->m_pExpander))
+        {
+            if (GtkWidget* pChild = gtk_bin_get_child(GTK_BIN(pThis->m_pExpander)))
+                gtk_widget_unmap(pChild);
+        }
+    }
+#endif
+
+public:
+    GtkInstanceExpander(GtkExpander* pExpander, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+        : GtkInstanceWidget(GTK_WIDGET(pExpander), pBuilder, bTakeOwnership)
+        , m_pExpander(pExpander)
+        , m_nSignalId(g_signal_connect(m_pExpander, "notify::expanded", G_CALLBACK(signalExpanded), this))
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        , m_nButtonPressEventSignalId(g_signal_connect_after(m_pExpander, "button-press-event", G_CALLBACK(signalButton), this))
+        , m_nMappedSignalId(g_signal_connect_after(m_pExpander, "map", G_CALLBACK(signalMap), this))
+#endif
+    {
+    }
+
+    virtual void set_label(const OUString& rText) override
+    {
+        ::set_label(GTK_LABEL(gtk_expander_get_label_widget(m_pExpander)), rText);
+    }
+
+    virtual OUString get_label() const override
+    {
+        return ::get_label(GTK_LABEL(gtk_expander_get_label_widget(m_pExpander)));
+    }
+
+    virtual bool get_expanded() const override
+    {
+        return gtk_expander_get_expanded(m_pExpander);
+    }
+
+    virtual void set_expanded(bool bExpand) override
+    {
+        gtk_expander_set_expanded(m_pExpander, bExpand);
+    }
+
+    virtual ~GtkInstanceExpander() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        g_signal_handler_disconnect(m_pExpander, m_nMappedSignalId);
+        g_signal_handler_disconnect(m_pExpander, m_nButtonPressEventSignalId);
+#endif
+        g_signal_handler_disconnect(m_pExpander, m_nSignalId);
+    }
+};
+
+}
+
+namespace {
+
+class GtkInstancePopover : public GtkInstanceContainer, public virtual weld::Popover
+{
+private:
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    //popover cannot escape dialog under X so we might need to stick up own window instead
+    GtkWindow* m_pMenuHack;
+    bool m_bMenuPoppedUp;
+    bool m_nButtonPressSeen;
+#endif
+    GtkPopover* m_pPopover;
+    gulong m_nSignalId;
+    ImplSVEvent* m_pClosedEvent;
+
+    static void signalClosed(GtkPopover*, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        // call signal-closed async so the closed callback isn't called
+        // while the GtkPopover handler is still in-execution
+        pThis->launch_signal_closed();
+    }
+
+    DECL_LINK(async_signal_closed, void*, void);
+
+    void launch_signal_closed()
+    {
+        if (m_pClosedEvent)
+            Application::RemoveUserEvent(m_pClosedEvent);
+        m_pClosedEvent = Application::PostUserEvent(LINK(this, GtkInstancePopover, async_signal_closed));
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    static gboolean keyPress(GtkWidget*, GdkEventKey* pEvent, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        return pThis->key_press(pEvent);
+    }
+
+    bool key_press(const GdkEventKey* pEvent)
+    {
+        if (pEvent->keyval == GDK_KEY_Escape)
+        {
+            popdown();
+            return true;
+        }
+        return false;
+    }
+
+    static gboolean signalButtonPress(GtkWidget* /*pWidget*/, GdkEventButton* /*pEvent*/, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        pThis->m_nButtonPressSeen = true;
+        return false;
+    }
+
+    static gboolean signalButtonRelease(GtkWidget* /*pWidget*/, GdkEventButton* pEvent, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        if (pThis->m_nButtonPressSeen && button_event_is_outside(GTK_WIDGET(pThis->m_pMenuHack), pEvent))
+            pThis->popdown();
+        return false;
+    }
+
+    bool forward_event_if_popup_under_mouse(GdkEvent* pEvent)
+    {
+        GtkWidget* pEventWidget = gtk_get_event_widget(pEvent);
+        GtkWidget* pTopLevel = widget_get_toplevel(pEventWidget);
+
+        if (pTopLevel == GTK_WIDGET(m_pMenuHack))
+            return false;
+
+        GdkSurface* pSurface = widget_get_surface(pTopLevel);
+        void* pMouseEnteredAnotherPopup = g_object_get_data(G_OBJECT(pSurface), "g-lo-InstancePopup");
+        if (!pMouseEnteredAnotherPopup)
+            return false;
+
+        return gtk_widget_event(pEventWidget, pEvent);
+    }
+
+    static gboolean signalButtonCrossing(GtkWidget*, GdkEvent* pEvent, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        return pThis->forward_event_if_popup_under_mouse(pEvent);
+    }
+
+    static gboolean signalMotion(GtkWidget*, GdkEvent* pEvent, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        return pThis->forward_event_if_popup_under_mouse(pEvent);
+    }
+
+    static void signalGrabBroken(GtkWidget*, GdkEventGrabBroken *pEvent, gpointer widget)
+    {
+        GtkInstancePopover* pThis = static_cast<GtkInstancePopover*>(widget);
+        pThis->grab_broken(pEvent);
+    }
+
+    void grab_broken(const GdkEventGrabBroken *event)
+    {
+        if (event->grab_window == nullptr)
+        {
+            popdown();
+        }
+        else if (!g_object_get_data(G_OBJECT(event->grab_window), "g-lo-InstancePopup")) // another LibreOffice popover took a grab
+        {
+            //try and regrab, so when we lose the grab to the menu of the color palette
+            //combobox we regain it so the color palette doesn't itself disappear on next
+            //click on the color palette combobox
+            do_grab(GTK_WIDGET(m_pMenuHack));
+        }
+    }
+
+#endif
+
+public:
+    GtkInstancePopover(GtkPopover* pPopover, GtkInstanceBuilder* pBuilder, bool bTakeOwnership)
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        : GtkInstanceContainer(GTK_CONTAINER(pPopover), pBuilder, bTakeOwnership)
+        , m_pMenuHack(nullptr)
+        , m_bMenuPoppedUp(false)
+        , m_nButtonPressSeen(false)
+#else
+        : GtkInstanceContainer(GTK_WIDGET(pPopover), pBuilder, bTakeOwnership)
+#endif
+        , m_pPopover(pPopover)
+        , m_nSignalId(g_signal_connect(m_pPopover, "closed", G_CALLBACK(signalClosed), this))
+        , m_pClosedEvent(nullptr)
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        //under wayland a Popover will work to "escape" the parent dialog, not
+        //so under X, so come up with this hack to use a raw GtkWindow
+        GdkDisplay *pDisplay = gtk_widget_get_display(GTK_WIDGET(m_pPopover));
+        if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay))
+        {
+            m_pMenuHack = GTK_WINDOW(gtk_window_new(GTK_WINDOW_POPUP));
+            gtk_window_set_type_hint(m_pMenuHack, GDK_WINDOW_TYPE_HINT_COMBO);
+            gtk_window_set_resizable(m_pMenuHack, false);
+            g_signal_connect(m_pMenuHack, "key-press-event", G_CALLBACK(keyPress), this);
+            g_signal_connect(m_pMenuHack, "grab-broken-event", G_CALLBACK(signalGrabBroken), this);
+            g_signal_connect(m_pMenuHack, "button-press-event", G_CALLBACK(signalButtonPress), this);
+            g_signal_connect(m_pMenuHack, "button-release-event", G_CALLBACK(signalButtonRelease), this);
+            // to emulate a modeless popover we forward the leave/enter/motion events to the widgets
+            // they would have gone to a if we were really modeless
+            if (!gtk_popover_get_modal(m_pPopover))
+            {
+                g_signal_connect(m_pMenuHack, "leave-notify-event", G_CALLBACK(signalButtonCrossing), this);
+                g_signal_connect(m_pMenuHack, "enter-notify-event", G_CALLBACK(signalButtonCrossing), this);
+                g_signal_connect(m_pMenuHack, "motion-notify-event", G_CALLBACK(signalMotion), this);
+            }
+        }
+#endif
+    }
+
+    virtual void popup_at_rect(weld::Widget* pParent, const tools::Rectangle& rRect, weld::Placement ePlace) override
+    {
+        GtkInstanceWidget* pGtkWidget = dynamic_cast<GtkInstanceWidget*>(pParent);
+        assert(pGtkWidget);
+
+        GtkWidget* pWidget = pGtkWidget->getWidget();
+
+        GdkRectangle aRect;
+        pWidget = getPopupRect(pWidget, rRect, aRect);
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        gtk_widget_set_parent(GTK_WIDGET(m_pPopover), pWidget);
+#else
+        gtk_popover_set_relative_to(m_pPopover, pWidget);
+#endif
+        gtk_popover_set_pointing_to(m_pPopover, &aRect);
+
+        if (ePlace == weld::Placement::Under)
+            gtk_popover_set_position(m_pPopover, GTK_POS_BOTTOM);
+        else
+        {
+            if (::SwapForRTL(pWidget))
+                gtk_popover_set_position(m_pPopover, GTK_POS_LEFT);
+            else
+                gtk_popover_set_position(m_pPopover, GTK_POS_RIGHT);
+        }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        //under wayland a Popover will work to "escape" the parent dialog, not
+        //so under X, so come up with this hack to use a raw GtkWindow
+        GdkDisplay *pDisplay = gtk_widget_get_display(GTK_WIDGET(m_pPopover));
+        if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay))
+        {
+            if (!m_bMenuPoppedUp)
+            {
+                MovePopoverContentsToWindow(GTK_WIDGET(m_pPopover), m_pMenuHack, pWidget, aRect, ePlace);
+                m_bMenuPoppedUp = true;
+            }
+            return;
+        }
+#endif
+
+        gtk_popover_popup(m_pPopover);
+    }
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    virtual bool get_visible() const override
+    {
+        if (m_pMenuHack)
+            return gtk_widget_get_visible(GTK_WIDGET(m_pMenuHack));
+        return gtk_widget_get_visible(m_pWidget);
+    }
+
+    virtual void ensureMouseEventWidget() override
+    {
+        if (!m_pMouseEventBox && m_pMenuHack)
+        {
+            m_pMouseEventBox = GTK_WIDGET(m_pMenuHack);
+            return;
+        }
+        GtkInstanceContainer::ensureMouseEventWidget();
+    }
+#endif
+
+    virtual void popdown() override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        //under wayland a Popover will work to "escape" the parent dialog, not
+        //so under X, so come up with this hack to use a raw GtkWindow
+        GdkDisplay *pDisplay = gtk_widget_get_display(GTK_WIDGET(m_pPopover));
+        if (DLSYM_GDK_IS_X11_DISPLAY(pDisplay))
+        {
+            if (m_bMenuPoppedUp)
+            {
+                m_nButtonPressSeen = false;
+                MoveWindowContentsToPopover(m_pMenuHack, GTK_WIDGET(m_pPopover), gtk_popover_get_relative_to(m_pPopover));
+                m_bMenuPoppedUp = false;
+                signal_closed();
+            }
+            return;
+        }
+#endif
+
+        gtk_popover_popdown(m_pPopover);
+    }
+
+    void PopdownAndFlushClosedSignal()
+    {
+        if (get_visible())
+            popdown();
+        if (m_pClosedEvent)
+        {
+            Application::RemoveUserEvent(m_pClosedEvent);
+            async_signal_closed(nullptr);
+        }
+    }
+
+    virtual void resize_to_request() override
+    {
+        // resizing to request is what gtk does automatically
+    }
+
+    virtual ~GtkInstancePopover() override
+    {
+        PopdownAndFlushClosedSignal();
+        DisconnectMouseEvents();
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        if (m_pMenuHack)
+            gtk_widget_destroy(GTK_WIDGET(m_pMenuHack));
+#endif
+        g_signal_handler_disconnect(m_pPopover, m_nSignalId);
+    }
+};
+
+IMPL_LINK_NOARG(GtkInstancePopover, async_signal_closed, void*, void)
+{
+    m_pClosedEvent = nullptr;
+    signal_closed();
+}
+
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+
+namespace
+{
+
+AtkObject* drawing_area_get_accessible(GtkWidget *pWidget)
+{
+    AtkObject* pDefaultAccessible = default_drawing_area_get_accessible(pWidget);
+    void* pData = g_object_get_data(G_OBJECT(pWidget), "g-lo-GtkInstanceDrawingArea");
+    GtkInstanceDrawingArea* pDrawingArea = static_cast<GtkInstanceDrawingArea*>(pData);
+    AtkObject *pAtkObj = pDrawingArea ? pDrawingArea->GetAtkObject(pDefaultAccessible) : nullptr;
+    if (pAtkObj)
+        return pAtkObj;
+    return pDefaultAccessible;
+}
+
+void ensure_intercept_drawing_area_accessibility()
+{
+    static bool bDone;
+    if (!bDone)
+    {
+        gpointer pClass = g_type_class_ref(GTK_TYPE_DRAWING_AREA);
+        GtkWidgetClass* pWidgetClass = GTK_WIDGET_CLASS(pClass);
+        default_drawing_area_get_accessible = pWidgetClass->get_accessible;
+        pWidgetClass->get_accessible = drawing_area_get_accessible;
+        g_type_class_unref(pClass);
+        bDone = true;
+    }
+}
+
+void ensure_disable_ctrl_page_up_down(GType eType)
+{
+    gpointer pClass = g_type_class_ref(eType);
+    GtkWidgetClass* pWidgetClass = GTK_WIDGET_CLASS(pClass);
+    GtkBindingSet* pBindingSet = gtk_binding_set_by_class(pWidgetClass);
+    gtk_binding_entry_remove(pBindingSet, GDK_KEY_Page_Up, GDK_CONTROL_MASK);
+    gtk_binding_entry_remove(pBindingSet, GDK_KEY_Page_Up, static_cast<GdkModifierType>(GDK_SHIFT_MASK|GDK_CONTROL_MASK));
+    gtk_binding_entry_remove(pBindingSet, GDK_KEY_Page_Down, GDK_CONTROL_MASK);
+    gtk_binding_entry_remove(pBindingSet, GDK_KEY_Page_Down, static_cast<GdkModifierType>(GDK_SHIFT_MASK|GDK_CONTROL_MASK));
+    g_type_class_unref(pClass);
+}
+
+// tdf#130400 disable ctrl+page_up and ctrl+page_down bindings so the
+// keystrokes are consumed by the surrounding notebook bindings instead
+void ensure_disable_ctrl_page_up_down_bindings()
+{
+    static bool bDone;
+    if (!bDone)
+    {
+        ensure_disable_ctrl_page_up_down(GTK_TYPE_TREE_VIEW);
+        ensure_disable_ctrl_page_up_down(GTK_TYPE_SPIN_BUTTON);
+        bDone = true;
+    }
+}
+
+}
+#endif
+
+namespace {
+
+bool IsAllowedBuiltInIcon(std::u16string_view iconName)
+{
+    // limit the named icons to those known by VclBuilder
+    return VclBuilder::mapStockToSymbol(iconName) != SymbolType::DONTKNOW;
+}
+
+}
+
+namespace {
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+void silence_gwarning(const gchar* /*log_domain*/,
+                      GLogLevelFlags /*log_level*/,
+                      const gchar* /*message*/,
+                      gpointer /*user_data*/)
+{
+}
+#endif
+
+void load_ui_file(GtkBuilder* pBuilder, const OUString& rUri)
+{
+#if GTK_CHECK_VERSION(4, 0, 0)
+    builder_add_from_gtk3_file(pBuilder, rUri);
+#else
+    guint nLogHandlerId = 0;
+    GLogLevelFlags nFatalMask(static_cast<GLogLevelFlags>(G_LOG_FLAG_RECURSION|G_LOG_LEVEL_ERROR));
+    if (rUri.endsWith("sfx/ui/tabbarcontents.ui"))
+    {
+        // gtk unhelpfully has a bogus warning for the accelerator in this .ui because it assumes menus with accelerators
+        // if attached to something are attached to a MenuShell, but it's a MenuButton in this case. Turn off warnings, and
+        // in the case of fatal-warnings temp disable fatal warnings, for this case.
+        nLogHandlerId = g_log_set_handler("GLib-GObject",
+                                          static_cast<GLogLevelFlags>(G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION),
+                                          silence_gwarning, nullptr);
+        nFatalMask = g_log_set_always_fatal(nFatalMask);
+    }
+
+    OUString aPath;
+    osl::FileBase::getSystemPathFromFileURL(rUri, aPath);
+    GError *err = nullptr;
+    auto rc = gtk_builder_add_from_file(pBuilder, OUStringToOString(aPath, RTL_TEXTENCODING_UTF8).getStr(), &err);
+
+    if (nLogHandlerId)
+    {
+        g_log_remove_handler("GLib-GObject", nLogHandlerId);
+        g_log_set_always_fatal(nFatalMask);
+    }
+
+    if (!rc)
+    {
+        SAL_WARN( "vcl.gtk", "GtkInstanceBuilder: error when calling gtk_builder_add_from_file: " << err->message);
+        g_error_free(err);
+    }
+    assert(rc && "could not load UI file");
+#endif
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+void fix_expander(GtkExpander* pExpander, GParamSpec*, gpointer)
+{
+    if (gtk_expander_get_resize_toplevel(pExpander))
+    {
+        GtkWidget *pToplevel = widget_get_toplevel(GTK_WIDGET(pExpander));
+
+        // https://gitlab.gnome.org/GNOME/gtk/issues/70
+        // I imagine at some point a release with a fix will be available in which
+        // case this can be avoided depending on version number
+        if (pToplevel && GTK_IS_WINDOW(pToplevel) && gtk_widget_get_realized(pToplevel))
+        {
+            int nToplevelWidth, nToplevelHeight;
+            int nChildHeight;
+
+            GtkWidget* child = gtk_bin_get_child(GTK_BIN(pExpander));
+            gtk_widget_get_preferred_height(child, &nChildHeight, nullptr);
+            gtk_window_get_size(GTK_WINDOW(pToplevel), &nToplevelWidth, &nToplevelHeight);
+
+            if (gtk_expander_get_expanded(pExpander))
+                nToplevelHeight += nChildHeight;
+            else
+                nToplevelHeight -= nChildHeight;
+
+            gtk_window_resize(GTK_WINDOW(pToplevel), nToplevelWidth, nToplevelHeight);
+        }
+    }
+}
+#endif
+
+class GtkInstanceBuilder : public weld::Builder
+{
+private:
+    ResHookProc m_pStringReplace;
+    OUString m_aHelpRoot;
+    OUString m_aIconTheme;
+    OUString m_aUILang;
+    GtkBuilder* m_pBuilder;
+    GSList* m_pObjectList;
+    GtkWidget* m_pParentWidget;
+    gulong m_nNotifySignalId;
+    std::vector<GtkButton*> m_aMnemonicButtons;
+#if GTK_CHECK_VERSION(4, 0, 0)
+    std::vector<GtkCheckButton*> m_aMnemonicCheckButtons;
+#endif
+    std::vector<GtkLabel*> m_aMnemonicLabels;
+
+    VclPtr<SystemChildWindow> m_xInterimGlue;
+    bool m_bAllowCycleFocusOut;
+
+    void postprocess_widget(GtkWidget* pWidget)
+    {
+        const bool bHideHelp = comphelper::LibreOfficeKit::isActive() &&
+            officecfg::Office::Common::Help::HelpRootURL::get().isEmpty();
+
+        //fixup icons
+        //wanted: better way to do this, e.g. make gtk use gio for
+        //loading from a filename and provide gio protocol handler
+        //for our image in a zip urls
+        //
+        //unpack the images and keep them as dirs and just
+        //add the paths to the gtk icon theme dir
+        if (GTK_IS_IMAGE(pWidget))
+        {
+            GtkImage* pImage = GTK_IMAGE(pWidget);
+            if (const gchar* icon_name = image_get_icon_name(pImage))
+            {
+                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
+                if (!IsAllowedBuiltInIcon(aIconName))
+                    image_set_from_icon_name_theme_lang(pImage, aIconName, m_aIconTheme, m_aUILang);
+            }
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        else if (GTK_IS_PICTURE(pWidget))
+        {
+            GtkPicture* pPicture = GTK_PICTURE(pWidget);
+            if (GFile* icon_file = gtk_picture_get_file(pPicture))
+            {
+                char* icon_name = g_file_get_uri(icon_file);
+                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
+                g_free(icon_name);
+                assert(aIconName.startsWith("private:///graphicrepository/"));
+                aIconName.startsWith("private:///graphicrepository/", &aIconName);
+                picture_set_from_icon_name_theme_lang(GTK_PICTURE(pWidget), aIconName, m_aIconTheme, m_aUILang);
+            }
+        }
+#endif
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        else if (GTK_IS_TOOL_BUTTON(pWidget))
+        {
+            GtkToolButton* pToolButton = GTK_TOOL_BUTTON(pWidget);
+            if (const gchar* icon_name = gtk_tool_button_get_icon_name(pToolButton))
+            {
+                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
+                if (!IsAllowedBuiltInIcon(aIconName))
+                {
+                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
+                    {
+                        gtk_tool_button_set_icon_widget(pToolButton, pImage);
+                        gtk_widget_show(pImage);
+                    }
+                }
+            }
+
+            // if no tooltip reuse the label as default tooltip
+            if (!gtk_widget_get_tooltip_text(pWidget))
+            {
+                if (const gchar* label = gtk_tool_button_get_label(pToolButton))
+                    gtk_widget_set_tooltip_text(pWidget, label);
+            }
+        }
+        else if (GTK_IS_EXPANDER(pWidget))
+        {
+            g_signal_connect(pWidget, "notify::expanded", G_CALLBACK(fix_expander), this);
+        }
+#else
+        else if (GTK_IS_BUTTON(pWidget))
+        {
+            GtkButton* pButton = GTK_BUTTON(pWidget);
+            if (const gchar* icon_name = gtk_button_get_icon_name(pButton))
+            {
+                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
+                if (!IsAllowedBuiltInIcon(aIconName))
+                {
+                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
+                    {
+                        gtk_widget_set_halign(pImage, GTK_ALIGN_CENTER);
+                        gtk_widget_set_valign(pImage, GTK_ALIGN_CENTER);
+                        gtk_button_set_child(pButton, pImage);
+                        gtk_widget_show(pImage);
+                    }
+                }
+            }
+        }
+        else if (GTK_IS_MENU_BUTTON(pWidget))
+        {
+            GtkMenuButton* pButton = GTK_MENU_BUTTON(pWidget);
+            if (const gchar* icon_name = gtk_menu_button_get_icon_name(pButton))
+            {
+                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
+                if (!IsAllowedBuiltInIcon(aIconName))
+                {
+                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
+                    {
+                        gtk_widget_set_halign(pImage, GTK_ALIGN_CENTER);
+                        gtk_widget_set_valign(pImage, GTK_ALIGN_CENTER);
+                        // TODO after gtk 4.6 is released require that version and drop this
+                        static auto menu_button_set_child = reinterpret_cast<void (*) (GtkMenuButton*, GtkWidget*)>(dlsym(nullptr, "gtk_menu_button_set_child"));
+                        if (menu_button_set_child)
+                            menu_button_set_child(pButton, pImage);
+                        gtk_widget_show(pImage);
+                    }
+                }
+            }
+        }
+#endif
+
+        //set helpids
+        OUString sBuildableName = ::get_buildable_id(GTK_BUILDABLE(pWidget));
+        if (!sBuildableName.isEmpty())
+        {
+            OUString sHelpId = m_aHelpRoot + sBuildableName;
+            set_help_id(pWidget, sHelpId);
+            //hook up for extended help
+            const ImplSVHelpData& aHelpData = ImplGetSVHelpData();
+            if (aHelpData.mbBalloonHelp && !GTK_IS_DIALOG(pWidget) && !GTK_IS_ASSISTANT(pWidget))
+            {
+                gtk_widget_set_has_tooltip(pWidget, true);
+                g_signal_connect(pWidget, "query-tooltip", G_CALLBACK(signalTooltipQuery), nullptr);
+            }
+
+            if (bHideHelp && sBuildableName == "help")
+                gtk_widget_hide(pWidget);
+        }
+
+        if (m_pStringReplace)
+        {
+            // tdf#136498 %PRODUCTNAME shown in tool tips
+            const char* pTooltip = gtk_widget_get_tooltip_text(pWidget);
+            if (pTooltip && pTooltip[0])
+            {
+                OUString aTooltip(pTooltip, strlen(pTooltip), RTL_TEXTENCODING_UTF8);
+                aTooltip = (*m_pStringReplace)(aTooltip);
+                gtk_widget_set_tooltip_text(pWidget, OUStringToOString(aTooltip, RTL_TEXTENCODING_UTF8).getStr());
+            }
+        }
+
+        // expand placeholder and collect potentially missing mnemonics
+        if (GTK_IS_BUTTON(pWidget))
+        {
+            GtkButton* pButton = GTK_BUTTON(pWidget);
+            if (m_pStringReplace)
+            {
+                OUString aLabel(button_get_label(pButton));
+                if (!aLabel.isEmpty())
+                    button_set_label(pButton, (*m_pStringReplace)(aLabel));
+            }
+            if (gtk_button_get_use_underline(pButton))
+                m_aMnemonicButtons.push_back(pButton);
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        else if (GTK_IS_CHECK_BUTTON(pWidget))
+        {
+            GtkCheckButton* pButton = GTK_CHECK_BUTTON(pWidget);
+            if (m_pStringReplace)
+            {
+                OUString aLabel(get_label(pButton));
+                if (!aLabel.isEmpty())
+                    set_label(pButton, (*m_pStringReplace)(aLabel));
+            }
+            if (gtk_check_button_get_use_underline(pButton))
+                m_aMnemonicCheckButtons.push_back(pButton);
+        }
+#endif
+        else if (GTK_IS_LABEL(pWidget))
+        {
+            GtkLabel* pLabel = GTK_LABEL(pWidget);
+            if (m_pStringReplace)
+            {
+                OUString aLabel(get_label(pLabel));
+                if (!aLabel.isEmpty())
+                    set_label(pLabel, (*m_pStringReplace)(aLabel));
+            }
+            if (gtk_label_get_use_underline(pLabel))
+                m_aMnemonicLabels.push_back(pLabel);
+        }
+        else if (GTK_IS_TEXT_VIEW(pWidget))
+        {
+            GtkTextView* pTextView = GTK_TEXT_VIEW(pWidget);
+            if (m_pStringReplace)
+            {
+                GtkTextBuffer* pBuffer = gtk_text_view_get_buffer(pTextView);
+                GtkTextIter start, end;
+                gtk_text_buffer_get_bounds(pBuffer, &start, &end);
+                char* pTextStr = gtk_text_buffer_get_text(pBuffer, &start, &end, true);
+                int nTextLen = pTextStr ? strlen(pTextStr) : 0;
+                if (nTextLen)
+                {
+                    OUString sOldText(pTextStr, nTextLen, RTL_TEXTENCODING_UTF8);
+                    OString sText(OUStringToOString((*m_pStringReplace)(sOldText), RTL_TEXTENCODING_UTF8));
+                    gtk_text_buffer_set_text(pBuffer, sText.getStr(), sText.getLength());
+                }
+                g_free(pTextStr);
+            }
+        }
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        else if (GTK_IS_ENTRY(pWidget))
+        {
+            g_signal_connect(pWidget, "key-press-event", G_CALLBACK(signalEntryInsertSpecialCharKeyPress), nullptr);
+            g_signal_connect(pWidget, "populate-popup", G_CALLBACK(signalEntryPopulatePopup), nullptr);
+        }
+#endif
+        else if (GTK_IS_WINDOW(pWidget))
+        {
+            if (m_pStringReplace)
+            {
+                GtkWindow* pWindow = GTK_WINDOW(pWidget);
+                set_title(pWindow, (*m_pStringReplace)(get_title(pWindow)));
+                if (GTK_IS_MESSAGE_DIALOG(pWindow))
+                {
+                    GtkMessageDialog* pMessageDialog = GTK_MESSAGE_DIALOG(pWindow);
+                    set_primary_text(pMessageDialog, (*m_pStringReplace)(get_primary_text(pMessageDialog)));
+                    set_secondary_text(pMessageDialog, (*m_pStringReplace)(get_secondary_text(pMessageDialog)));
+                }
+            }
+        }
+    }
+
+    //GtkBuilder sets translation domain during parse, and unsets it again afterwards.
+    //In order for GtkBuilder to find the translations bindtextdomain has to be called
+    //for the domain. So here on the first setting of "domain" we call Translate::Create
+    //to make sure that happens. Without this, if some other part of LibreOffice has
+    //used the translation machinery for this domain it will still work, but if it
+    //hasn't, e.g. tdf#119929, then the translation fails
+    void translation_domain_set()
+    {
+        Translate::Create(gtk_builder_get_translation_domain(m_pBuilder), LanguageTag(m_aUILang));
+        g_signal_handler_disconnect(m_pBuilder, m_nNotifySignalId);
+    }
+
+    static void signalNotify(GObject*, GParamSpec *pSpec, gpointer pData)
+    {
+        g_return_if_fail(pSpec != nullptr);
+        if (strcmp(pSpec->name, "translation-domain") == 0)
+        {
+            GtkInstanceBuilder* pBuilder = static_cast<GtkInstanceBuilder*>(pData);
+            pBuilder->translation_domain_set();
+        }
+    }
+
+    static void postprocess(gpointer data, gpointer user_data)
+    {
+        GObject* pObject = static_cast<GObject*>(data);
+        if (!GTK_IS_WIDGET(pObject))
+            return;
+        GtkInstanceBuilder* pThis = static_cast<GtkInstanceBuilder*>(user_data);
+        pThis->postprocess_widget(GTK_WIDGET(pObject));
+    }
+
+    void DisallowCycleFocusOut()
+    {
+        assert(!m_bAllowCycleFocusOut); // we only expect this to be called when this holds
+
+        GtkWidget* pTopLevel = widget_get_toplevel(m_pParentWidget);
+        assert(pTopLevel);
+        GtkSalFrame* pFrame = GtkSalFrame::getFromWindow(pTopLevel);
+        assert(pFrame);
+        // unhook handler and let gtk cycle its own way through this widget's
+        // children because it has no non-gtk siblings
+        pFrame->DisallowCycleFocusOut();
+    }
+
+    static void signalMap(GtkWidget*, gpointer user_data)
+    {
+        GtkInstanceBuilder* pThis = static_cast<GtkInstanceBuilder*>(user_data);
+        // tdf#138047 wait until map to do this because the final SalFrame may
+        // not be the same as at ctor time
+        pThis->DisallowCycleFocusOut();
+    }
+
+    void AllowCycleFocusOut()
+    {
+        assert(!m_bAllowCycleFocusOut); // we only expect this to be called when this holds
+
+        GtkWidget* pTopLevel = widget_get_toplevel(m_pParentWidget);
+        assert(pTopLevel);
+        GtkSalFrame* pFrame = GtkSalFrame::getFromWindow(pTopLevel);
+        assert(pFrame);
+        // rehook handler and let vcl cycle its own way through this widget's
+        // children
+        pFrame->AllowCycleFocusOut();
+
+        // tdf#145567 if the focus is in this hierarchy then, now that we are tearing down,
+        // move focus to the usual focus candidate for the frame
+        GtkWindow* pFocusWin = get_active_window();
+        GtkWidget* pFocus = pFocusWin ? gtk_window_get_focus(pFocusWin) : nullptr;
+        bool bHasFocus = pFocus && gtk_widget_is_ancestor(pFocus, pTopLevel);
+        if (bHasFocus)
+            pFrame->GrabFocus();
+    }
+
+    static void signalUnmap(GtkWidget*, gpointer user_data)
+    {
+        GtkInstanceBuilder* pThis = static_cast<GtkInstanceBuilder*>(user_data);
+        pThis->AllowCycleFocusOut();
+    }
+
+public:
+    GtkInstanceBuilder(GtkWidget* pParent, std::u16string_view rUIRoot, const OUString& rUIFile,
+                       SystemChildWindow* pInterimGlue, bool bAllowCycleFocusOut)
+        : weld::Builder()
+        , m_pStringReplace(Translate::GetReadStringHook())
+        , m_pParentWidget(pParent)
+        , m_nNotifySignalId(0)
+        , m_xInterimGlue(pInterimGlue)
+        , m_bAllowCycleFocusOut(bAllowCycleFocusOut)
+    {
+        OUString sHelpRoot(rUIFile);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        ensure_intercept_drawing_area_accessibility();
+        ensure_disable_ctrl_page_up_down_bindings();
+#endif
+
+        sal_Int32 nIdx = sHelpRoot.lastIndexOf('.');
+        if (nIdx != -1)
+            sHelpRoot = sHelpRoot.copy(0, nIdx);
+        sHelpRoot += "/";
+        m_aHelpRoot = sHelpRoot;
+        m_aIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
+        m_aUILang = Application::GetSettings().GetUILanguageTag().getBcp47();
+
+        OUString aUri(rUIRoot + rUIFile);
+
+        m_pBuilder = gtk_builder_new();
+        m_nNotifySignalId = g_signal_connect_data(G_OBJECT(m_pBuilder), "notify", G_CALLBACK(signalNotify), this, nullptr, G_CONNECT_AFTER);
+
+        load_ui_file(m_pBuilder, aUri);
+
+        m_pObjectList = gtk_builder_get_objects(m_pBuilder);
+        g_slist_foreach(m_pObjectList, postprocess, this);
+
+        GenerateMissingMnemonics();
+
+        if (m_xInterimGlue)
+        {
+            assert(m_pParentWidget);
+            g_object_set_data(G_OBJECT(m_pParentWidget), "InterimWindowGlue", m_xInterimGlue.get());
+
+            if (!m_bAllowCycleFocusOut)
+            {
+                g_signal_connect(G_OBJECT(m_pParentWidget), "map", G_CALLBACK(signalMap), this);
+                g_signal_connect(G_OBJECT(m_pParentWidget), "unmap", G_CALLBACK(signalUnmap), this);
+            }
+        }
+    }
+
+    void GenerateMissingMnemonics()
+    {
+        MnemonicGenerator aMnemonicGenerator('_');
+        for (const auto a : m_aMnemonicButtons)
+            aMnemonicGenerator.RegisterMnemonic(button_get_label(a));
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (const auto a : m_aMnemonicCheckButtons)
+            aMnemonicGenerator.RegisterMnemonic(get_label(a));
+#endif
+        for (const auto a : m_aMnemonicLabels)
+            aMnemonicGenerator.RegisterMnemonic(get_label(a));
+
+        for (const auto a : m_aMnemonicButtons)
+        {
+            OUString aLabel(button_get_label(a));
+            OUString aNewLabel = aMnemonicGenerator.CreateMnemonic(aLabel);
+            if (aLabel == aNewLabel)
+                continue;
+            button_set_label(a, aNewLabel);
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        for (const auto a : m_aMnemonicCheckButtons)
+        {
+            OUString aLabel(get_label(a));
+            OUString aNewLabel = aMnemonicGenerator.CreateMnemonic(aLabel);
+            if (aLabel == aNewLabel)
+                continue;
+            set_label(a, aNewLabel);
+        }
+#endif
+        for (const auto a : m_aMnemonicLabels)
+        {
+            OUString aLabel(get_label(a));
+            OUString aNewLabel = aMnemonicGenerator.CreateMnemonic(aLabel);
+            if (aLabel == aNewLabel)
+                continue;
+            set_label(a, aNewLabel);
+        }
+
+        m_aMnemonicLabels.clear();
+#if GTK_CHECK_VERSION(4, 0, 0)
+        m_aMnemonicCheckButtons.clear();
+#endif
+        m_aMnemonicButtons.clear();
+    }
+
+    OUString get_current_page_help_id()
+    {
+        OUString sPageHelpId;
+        // check to see if there is a notebook called tabcontrol and get the
+        // helpid for the current page of that
+        std::unique_ptr<weld::Notebook> xNotebook(weld_notebook("tabcontrol"));
+        if (xNotebook)
+        {
+            if (GtkInstanceContainer* pPage = dynamic_cast<GtkInstanceContainer*>(xNotebook->get_page(xNotebook->get_current_page_ident())))
+            {
+                GtkWidget* pContainer = pPage->getWidget();
+                if (GtkWidget* pPageWidget = widget_get_first_child(pContainer))
+                    sPageHelpId = ::get_help_id(pPageWidget);
+            }
+        }
+        return sPageHelpId;
+    }
+
+    virtual ~GtkInstanceBuilder() override
+    {
+        g_slist_free(m_pObjectList);
+        g_object_unref(m_pBuilder);
+
+        if (m_xInterimGlue && !m_bAllowCycleFocusOut)
+            AllowCycleFocusOut();
+
+        m_xInterimGlue.disposeAndClear();
+    }
+
+    //ideally we would have/use weld::Container add and explicitly
+    //call add when we want to do this, but in the vcl impl the
+    //parent has to be set when the child is created, so for the
+    //gtk impl emulate this by doing this implicitly at weld time
+    void auto_add_parentless_widgets_to_container(GtkWidget* pWidget)
+    {
+        if (GTK_IS_POPOVER(pWidget))
+           return;
+        if (GTK_IS_WINDOW(pWidget))
+            return;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (!gtk_widget_get_parent(pWidget))
+            gtk_widget_set_parent(pWidget, m_pParentWidget);
+#else
+        if (widget_get_toplevel(pWidget) == pWidget)
+            gtk_container_add(GTK_CONTAINER(m_pParentWidget), pWidget);
+#endif
+    }
+
+    virtual std::unique_ptr<weld::MessageDialog> weld_message_dialog(const OUString &id) override
+    {
+        GtkMessageDialog* pMessageDialog = GTK_MESSAGE_DIALOG(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pMessageDialog)
+            return nullptr;
+        gtk_window_set_transient_for(GTK_WINDOW(pMessageDialog), GTK_WINDOW(widget_get_toplevel(m_pParentWidget)));
+        return std::make_unique<GtkInstanceMessageDialog>(pMessageDialog, this, true);
+    }
+
+    virtual std::unique_ptr<weld::Assistant> weld_assistant(const OUString &id) override
+    {
+        GtkAssistant* pAssistant = GTK_ASSISTANT(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pAssistant)
+            return nullptr;
+        if (m_pParentWidget)
+            gtk_window_set_transient_for(GTK_WINDOW(pAssistant), GTK_WINDOW(widget_get_toplevel(m_pParentWidget)));
+        return std::make_unique<GtkInstanceAssistant>(pAssistant, this, true);
+    }
+
+    virtual std::unique_ptr<weld::Dialog> weld_dialog(const OUString &id) override
+    {
+        GtkWindow* pDialog = GTK_WINDOW(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pDialog)
+            return nullptr;
+        if (m_pParentWidget)
+            gtk_window_set_transient_for(pDialog, GTK_WINDOW(widget_get_toplevel(m_pParentWidget)));
+        return std::make_unique<GtkInstanceDialog>(pDialog, this, true);
+    }
+
+    virtual std::unique_ptr<weld::Window> create_screenshot_window() override
+    {
+        GtkWidget* pTopLevel = nullptr;
+
+        for (GSList* l = m_pObjectList; l; l = g_slist_next(l))
+        {
+            GObject* pObj = static_cast<GObject*>(l->data);
+
+            if (!GTK_IS_WIDGET(pObj) || gtk_widget_get_parent(GTK_WIDGET(pObj)))
+                continue;
+
+            if (!pTopLevel)
+                pTopLevel = GTK_WIDGET(pObj);
+            else if (GTK_IS_WINDOW(pObj))
+                pTopLevel = GTK_WIDGET(pObj);
+        }
+
+        if (!pTopLevel)
+            return nullptr;
+
+        GtkWindow* pDialog;
+        if (GTK_IS_WINDOW(pTopLevel))
+            pDialog = GTK_WINDOW(pTopLevel);
+        else
+        {
+            pDialog = GTK_WINDOW(gtk_dialog_new());
+            ::set_help_id(GTK_WIDGET(pDialog), ::get_help_id(pTopLevel));
+
+            GtkWidget* pContentArea = gtk_dialog_get_content_area(GTK_DIALOG(pDialog));
+#if !GTK_CHECK_VERSION(4, 0, 0)
+            gtk_container_add(GTK_CONTAINER(pContentArea), pTopLevel);
+            gtk_widget_show_all(pTopLevel);
+#else
+            gtk_box_append(GTK_BOX(pContentArea), pTopLevel);
+            gtk_widget_show(pTopLevel);
+#endif
+        }
+
+        if (m_pParentWidget)
+            gtk_window_set_transient_for(pDialog, GTK_WINDOW(widget_get_toplevel(m_pParentWidget)));
+        return std::make_unique<GtkInstanceDialog>(pDialog, this, true);
+    }
+
+    virtual std::unique_ptr<weld::Widget> weld_widget(const OUString &id) override
+    {
+        GtkWidget* pWidget = GTK_WIDGET(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pWidget)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(pWidget);
+        return std::make_unique<GtkInstanceWidget>(pWidget, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Container> weld_container(const OUString &id) override
+    {
+#if !GTK_CHECK_VERSION(4, 0, 0)
+        GtkContainer* pContainer = GTK_CONTAINER(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#else
+        GtkWidget* pContainer = GTK_WIDGET(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#endif
+        if (!pContainer)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pContainer));
+        return std::make_unique<GtkInstanceContainer>(pContainer, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Box> weld_box(const OUString &id) override
+    {
+        GtkBox* pBox = GTK_BOX(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pBox)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pBox));
+        return std::make_unique<GtkInstanceBox>(pBox, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Paned> weld_paned(const OUString &id) override
+    {
+        GtkPaned* pPaned = GTK_PANED(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pPaned)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pPaned));
+        return std::make_unique<GtkInstancePaned>(pPaned, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Frame> weld_frame(const OUString &id) override
+    {
+        GtkFrame* pFrame = GTK_FRAME(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pFrame)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pFrame));
+        return std::make_unique<GtkInstanceFrame>(pFrame, this, false);
+    }
+
+    virtual std::unique_ptr<weld::ScrolledWindow> weld_scrolled_window(const OUString &id, bool bUserManagedScrolling = false) override
+    {
+        GtkScrolledWindow* pScrolledWindow = GTK_SCROLLED_WINDOW(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pScrolledWindow)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pScrolledWindow));
+        return std::make_unique<GtkInstanceScrolledWindow>(pScrolledWindow, this, false, bUserManagedScrolling);
+    }
+
+    virtual std::unique_ptr<weld::Notebook> weld_notebook(const OUString &id) override
+    {
+        GtkNotebook* pNotebook = GTK_NOTEBOOK(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pNotebook)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pNotebook));
+        return std::make_unique<GtkInstanceNotebook>(pNotebook, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Button> weld_button(const OUString &id) override
+    {
+        GtkButton* pButton = GTK_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pButton));
+        return std::make_unique<GtkInstanceButton>(pButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::MenuButton> weld_menu_button(const OUString &id) override
+    {
+        GtkMenuButton* pButton = GTK_MENU_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pButton));
+        return std::make_unique<GtkInstanceMenuButton>(pButton, nullptr, this, false);
+    }
+
+    virtual std::unique_ptr<weld::MenuToggleButton> weld_menu_toggle_button(const OUString &id) override
+    {
+        GtkMenuButton* pButton = GTK_MENU_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pButton));
+        // gtk doesn't come with exactly the same concept
+        GtkBuilder* pMenuToggleButton = makeMenuToggleButtonBuilder();
+        return std::make_unique<GtkInstanceMenuToggleButton>(pMenuToggleButton, pButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::LinkButton> weld_link_button(const OUString &id) override
+    {
+        GtkLinkButton* pButton = GTK_LINK_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pButton));
+        return std::make_unique<GtkInstanceLinkButton>(pButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::ToggleButton> weld_toggle_button(const OUString &id) override
+    {
+        GtkToggleButton* pToggleButton = GTK_TOGGLE_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pToggleButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pToggleButton));
+        return std::make_unique<GtkInstanceToggleButton>(pToggleButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::RadioButton> weld_radio_button(const OUString &id) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkCheckButton* pRadioButton = GTK_CHECK_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#else
+        GtkRadioButton* pRadioButton = GTK_RADIO_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#endif
+        if (!pRadioButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pRadioButton));
+        return std::make_unique<GtkInstanceRadioButton>(pRadioButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::CheckButton> weld_check_button(const OUString &id) override
+    {
+        GtkCheckButton* pCheckButton = GTK_CHECK_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pCheckButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pCheckButton));
+        return std::make_unique<GtkInstanceCheckButton>(pCheckButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Scale> weld_scale(const OUString &id) override
+    {
+        GtkScale* pScale = GTK_SCALE(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pScale)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pScale));
+        return std::make_unique<GtkInstanceScale>(pScale, this, false);
+    }
+
+    virtual std::unique_ptr<weld::ProgressBar> weld_progress_bar(const OUString &id) override
+    {
+        GtkProgressBar* pProgressBar = GTK_PROGRESS_BAR(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pProgressBar)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pProgressBar));
+        return std::make_unique<GtkInstanceProgressBar>(pProgressBar, this, false);
+    }
+
+    virtual std::unique_ptr<weld::LevelBar> weld_level_bar(const OUString& id) override
+    {
+        GtkLevelBar* pLevelBar = GTK_LEVEL_BAR(gtk_builder_get_object(
+            m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pLevelBar)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pLevelBar));
+        return std::make_unique<GtkInstanceLevelBar>(pLevelBar, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Spinner> weld_spinner(const OUString &id) override
+    {
+        GtkSpinner* pSpinner = GTK_SPINNER(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pSpinner)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pSpinner));
+        return std::make_unique<GtkInstanceSpinner>(pSpinner, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Image> weld_image(const OUString &id) override
+    {
+        GtkWidget* pWidget = GTK_WIDGET(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pWidget)
+            return nullptr;
+        if (GTK_IS_IMAGE(pWidget))
+        {
+            auto_add_parentless_widgets_to_container(pWidget);
+            return std::make_unique<GtkInstanceImage>(GTK_IMAGE(pWidget), this, false);
+        }
+#if GTK_CHECK_VERSION(4, 0, 0)
+        if (GTK_IS_PICTURE(pWidget))
+        {
+            auto_add_parentless_widgets_to_container(pWidget);
+            return std::make_unique<GtkInstancePicture>(GTK_PICTURE(pWidget), this, false);
+        }
+#endif
+        return nullptr;
+    }
+
+    virtual std::unique_ptr<weld::Calendar> weld_calendar(const OUString &id) override
+    {
+        GtkCalendar* pCalendar = GTK_CALENDAR(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pCalendar)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pCalendar));
+        return std::make_unique<GtkInstanceCalendar>(pCalendar, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Entry> weld_entry(const OUString &id) override
+    {
+        GtkEntry* pEntry = GTK_ENTRY(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pEntry)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pEntry));
+        return std::make_unique<GtkInstanceEntry>(pEntry, this, false);
+    }
+
+    virtual std::unique_ptr<weld::SpinButton> weld_spin_button(const OUString &id) override
+    {
+        GtkSpinButton* pSpinButton = GTK_SPIN_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pSpinButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pSpinButton));
+        return std::make_unique<GtkInstanceSpinButton>(pSpinButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::MetricSpinButton> weld_metric_spin_button(const OUString& id, FieldUnit eUnit) override
+    {
+        return std::make_unique<weld::MetricSpinButton>(weld_spin_button(id), eUnit);
+    }
+
+    virtual std::unique_ptr<weld::FormattedSpinButton> weld_formatted_spin_button(const OUString &id) override
+    {
+        GtkSpinButton* pSpinButton = GTK_SPIN_BUTTON(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pSpinButton)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pSpinButton));
+        return std::make_unique<GtkInstanceFormattedSpinButton>(pSpinButton, this, false);
+    }
+
+    virtual std::unique_ptr<weld::ComboBox> weld_combo_box(const OUString &id) override
+    {
+        GtkComboBox* pComboBox = GTK_COMBO_BOX(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pComboBox)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pComboBox));
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return std::make_unique<GtkInstanceComboBox>(pComboBox, this, false);
+#else
+        /* we replace GtkComboBox because of difficulties with too tall menus
+
+           1) https://gitlab.gnome.org/GNOME/gtk/issues/1910
+              has_entry long menus take forever to appear (tdf#125388)
+
+              on measuring each row, the GtkComboBox GtkTreeMenu will call
+              its area_apply_attributes_cb function on the row, but that calls
+              gtk_tree_menu_get_path_item which then loops through each child of the
+              menu looking for the widget of the row, so performance drops to useless.
+
+              All area_apply_attributes_cb does it set menu item sensitivity, so block it from running
+              with fragile hackery which assumes that the unwanted callback is the only one with a
+
+           2) https://gitlab.gnome.org/GNOME/gtk/issues/94
+              when a super tall combobox menu is activated, and the selected
+              entry is sufficiently far down the list, then the menu doesn't
+              appear under wayland
+
+           3) https://gitlab.gnome.org/GNOME/gtk/issues/310
+              no typeahead support
+
+           4) we want to be able to control the width of the button, but have a drop down menu which
+              is not limited to the width of the button
+
+           5) https://bugs.documentfoundation.org/show_bug.cgi?id=131120
+              super tall menu doesn't appear under X sometimes
+        */
+        GtkBuilder* pComboBuilder = makeComboBoxBuilder();
+        return std::make_unique<GtkInstanceComboBox>(pComboBuilder, pComboBox, this, false);
+#endif
+    }
+
+    virtual std::unique_ptr<weld::TreeView> weld_tree_view(const OUString &id) override
+    {
+        GtkTreeView* pTreeView = GTK_TREE_VIEW(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pTreeView)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pTreeView));
+        return std::make_unique<GtkInstanceTreeView>(pTreeView, this, false);
+    }
+
+    virtual std::unique_ptr<weld::IconView> weld_icon_view(const OUString &id) override
+    {
+        GtkIconView* pIconView = GTK_ICON_VIEW(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pIconView)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pIconView));
+        return std::make_unique<GtkInstanceIconView>(pIconView, this, false);
+    }
+
+    virtual std::unique_ptr<weld::EntryTreeView> weld_entry_tree_view(const OUString& containerid, const OUString& entryid, const OUString& treeviewid) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkWidget* pContainer = GTK_WIDGET(gtk_builder_get_object(m_pBuilder, OUStringToOString(containerid, RTL_TEXTENCODING_UTF8).getStr()));
+#else
+        GtkContainer* pContainer = GTK_CONTAINER(gtk_builder_get_object(m_pBuilder, OUStringToOString(containerid, RTL_TEXTENCODING_UTF8).getStr()));
+#endif
+        if (!pContainer)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pContainer));
+        return std::make_unique<GtkInstanceEntryTreeView>(pContainer, this, false,
+                                                          weld_entry(entryid),
+                                                          weld_tree_view(treeviewid));
+    }
+
+    virtual std::unique_ptr<weld::Label> weld_label(const OUString &id) override
+    {
+        GtkLabel* pLabel = GTK_LABEL(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pLabel)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pLabel));
+        return std::make_unique<GtkInstanceLabel>(pLabel, this, false);
+    }
+
+    virtual std::unique_ptr<weld::TextView> weld_text_view(const OUString &id) override
+    {
+        GtkTextView* pTextView = GTK_TEXT_VIEW(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pTextView)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pTextView));
+        return std::make_unique<GtkInstanceTextView>(pTextView, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Expander> weld_expander(const OUString &id) override
+    {
+        GtkExpander* pExpander = GTK_EXPANDER(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pExpander)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pExpander));
+        return std::make_unique<GtkInstanceExpander>(pExpander, this, false);
+    }
+
+    virtual std::unique_ptr<weld::DrawingArea> weld_drawing_area(const OUString &id, const a11yref& rA11y,
+            FactoryFunction /*pUITestFactoryFunction*/, void* /*pUserData*/) override
+    {
+        GtkDrawingArea* pDrawingArea = GTK_DRAWING_AREA(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pDrawingArea)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pDrawingArea));
+        return std::make_unique<GtkInstanceDrawingArea>(pDrawingArea, this, rA11y, false);
+    }
+
+    virtual std::unique_ptr<weld::Menu> weld_menu(const OUString &id) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkPopoverMenu* pMenu = GTK_POPOVER_MENU(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#else
+        GtkMenu* pMenu = GTK_MENU(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#endif
+        if (!pMenu)
+            return nullptr;
+        return std::make_unique<GtkInstanceMenu>(pMenu, true);
+    }
+
+    virtual std::unique_ptr<weld::Popover> weld_popover(const OUString &id) override
+    {
+        GtkPopover* pPopover = GTK_POPOVER(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pPopover)
+            return nullptr;
+#if GTK_CHECK_VERSION(4, 0, 0)
+        return std::make_unique<GtkInstancePopover>(pPopover, this, false);
+#else
+        return std::make_unique<GtkInstancePopover>(pPopover, this, true);
+#endif
+    }
+
+    virtual std::unique_ptr<weld::Toolbar> weld_toolbar(const OUString &id) override
+    {
+#if GTK_CHECK_VERSION(4, 0, 0)
+        GtkBox* pToolbar = GTK_BOX(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#else
+        GtkToolbar* pToolbar = GTK_TOOLBAR(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+#endif
+        if (!pToolbar)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pToolbar));
+        return std::make_unique<GtkInstanceToolbar>(pToolbar, this, false);
+    }
+
+    virtual std::unique_ptr<weld::Scrollbar> weld_scrollbar(const OUString &id) override
+    {
+        GtkScrollbar* pScrollbar = GTK_SCROLLBAR(gtk_builder_get_object(m_pBuilder, OUStringToOString(id, RTL_TEXTENCODING_UTF8).getStr()));
+        if (!pScrollbar)
+            return nullptr;
+        auto_add_parentless_widgets_to_container(GTK_WIDGET(pScrollbar));
+        return std::make_unique<GtkInstanceScrollbar>(pScrollbar, this, false);
+    }
+
+    virtual std::unique_ptr<weld::SizeGroup> create_size_group() override
+    {
+        return std::make_unique<GtkInstanceSizeGroup>();
+    }
+};
+
+}
+
+void GtkInstanceWindow::help()
+{
+    //show help for widget with keyboard focus
+    GtkWidget* pWidget = gtk_window_get_focus(m_pWindow);
+    if (!pWidget)
+        pWidget = GTK_WIDGET(m_pWindow);
+    OUString sHelpId = ::get_help_id(pWidget);
+    while (sHelpId.isEmpty())
+    {
+        pWidget = gtk_widget_get_parent(pWidget);
+        if (!pWidget)
+            break;
+        sHelpId = ::get_help_id(pWidget);
+    }
+    std::unique_ptr<weld::Widget> xTemp(pWidget != m_pWidget ? new GtkInstanceWidget(pWidget, m_pBuilder, false) : nullptr);
+    weld::Widget* pSource = xTemp ? xTemp.get() : this;
+    bool bRunNormalHelpRequest = !m_aHelpRequestHdl.IsSet() || m_aHelpRequestHdl.Call(*pSource);
+    Help* pHelp = bRunNormalHelpRequest ? Application::GetHelp() : nullptr;
+    if (!pHelp)
+        return;
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    // tdf#126007, there's a nice fallback route for offline help where
+    // the current page of a notebook will get checked when the help
+    // button is pressed and there was no help for the dialog found.
+    //
+    // But for online help that route doesn't get taken, so bodge this here
+    // by using the page help id if available and if the help button itself
+    // was the original id
+    if (m_pBuilder && sHelpId.endsWith("/help"))
+    {
+        OUString sPageId = m_pBuilder->get_current_page_help_id();
+        if (!sPageId.isEmpty())
+            sHelpId = sPageId;
+        else
+        {
+            // tdf#129068 likewise the help for the wrapping dialog is less
+            // helpful than the help for the content area could be
+            GtkContainer* pContainer = nullptr;
+            if (GTK_IS_DIALOG(m_pWindow))
+                pContainer = GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(m_pWindow)));
+            else if (GTK_IS_ASSISTANT(m_pWindow))
+            {
+                GtkAssistant* pAssistant = GTK_ASSISTANT(m_pWindow);
+                pContainer = GTK_CONTAINER(gtk_assistant_get_nth_page(pAssistant, gtk_assistant_get_current_page(pAssistant)));
+            }
+            if (pContainer)
+            {
+                GtkWidget* pContentWidget = widget_get_first_child(GTK_WIDGET(pContainer));
+                if (pContentWidget)
+                    sHelpId = ::get_help_id(pContentWidget);
+            }
+        }
+    }
+#endif
+    pHelp->Start(sHelpId, pSource);
+}
+
+//iterate upwards through the hierarchy from this widgets through its parents
+//calling func with their helpid until func returns true or we run out of parents
+void GtkInstanceWidget::help_hierarchy_foreach(const std::function<bool(const OUString&)>& func)
+{
+    GtkWidget* pParent = m_pWidget;
+    while ((pParent = gtk_widget_get_parent(pParent)))
+    {
+        if (func(::get_help_id(pParent)))
+            return;
+    }
+}
+
+std::unique_ptr<weld::Builder> GtkInstance::CreateBuilder(weld::Widget* pParent, const OUString& rUIRoot, const OUString& rUIFile)
+{
+    GtkInstanceWidget* pParentWidget = dynamic_cast<GtkInstanceWidget*>(pParent);
+    GtkWidget* pBuilderParent = pParentWidget ? pParentWidget->getWidget() : nullptr;
+    return std::make_unique<GtkInstanceBuilder>(pBuilderParent, rUIRoot, rUIFile, nullptr, true);
+}
+
+#if !GTK_CHECK_VERSION(4, 0, 0)
+// tdf#135965 for the case of native widgets inside a GtkSalFrame and F1 pressed, run help
+// on gtk widget help ids until we hit a vcl parent and then use vcl window help ids
+gboolean GtkSalFrame::NativeWidgetHelpPressed(GtkAccelGroup*, GObject*, guint, GdkModifierType, gpointer pFrame)
+{
+    Help* pHelp = Application::GetHelp();
+    if (!pHelp)
+        return true;
+
+    GtkWindow* pWindow = static_cast<GtkWindow*>(pFrame);
+
+    vcl::Window* pChildWindow = nullptr;
+
+    //show help for widget with keyboard focus
+    GtkWidget* pWidget = gtk_window_get_focus(pWindow);
+    if (!pWidget)
+        pWidget = GTK_WIDGET(pWindow);
+    OUString sHelpId = ::get_help_id(pWidget);
+    while (sHelpId.isEmpty())
+    {
+        pWidget = gtk_widget_get_parent(pWidget);
+        if (!pWidget)
+            break;
+        pChildWindow = static_cast<vcl::Window*>(g_object_get_data(G_OBJECT(pWidget), "InterimWindowGlue"));
+        if (pChildWindow)
+        {
+            sHelpId = pChildWindow->GetHelpId();
+            break;
+        }
+        sHelpId = ::get_help_id(pWidget);
+    }
+
+    if (pChildWindow)
+    {
+        while (sHelpId.isEmpty())
+        {
+            pChildWindow = pChildWindow->GetParent();
+            if (!pChildWindow)
+                break;
+            sHelpId = pChildWindow->GetHelpId();
+        }
+        if (!pChildWindow)
+            return true;
+        pHelp->Start(sHelpId, pChildWindow);
+        return true;
+    }
+
+    if (!pWidget)
+        return true;
+    std::unique_ptr<weld::Widget> xTemp(new GtkInstanceWidget(pWidget, nullptr, false));
+    pHelp->Start(sHelpId, xTemp.get());
+    return true;
+}
+#endif
+
+std::unique_ptr<weld::Builder> GtkInstance::CreateInterimBuilder(vcl::Window* pParent, const OUString& rUIRoot, const OUString& rUIFile,
+                                                 bool bAllowCycleFocusOut, sal_uInt64)
+{
+    // Create a foreign window which we know is a GtkGrid and make the native widgets a child of that, so we can
+    // support GtkWidgets within a vcl::Window
+    SystemWindowData winData = {};
+    winData.bClipUsingNativeWidget = true;
+    auto xEmbedWindow = VclPtr<SystemChildWindow>::Create(pParent, 0, &winData, false);
+    xEmbedWindow->Show(true, ShowFlags::NoActivate);
+    xEmbedWindow->set_expand(true);
+
+    const SystemEnvData* pEnvData = xEmbedWindow->GetSystemData();
+    if (!pEnvData)
+        return nullptr;
+
+    GtkWidget *pWindow = static_cast<GtkWidget*>(pEnvData->pWidget);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gtk_widget_show_all(pWindow);
+#else
+    gtk_widget_show(pWindow);
+#endif
+
+    // build the widget tree as a child of the GtkEventBox GtkGrid parent
+    return std::make_unique<GtkInstanceBuilder>(pWindow, rUIRoot, rUIFile, xEmbedWindow.get(), bAllowCycleFocusOut);
+}
+
+weld::MessageDialog* GtkInstance::CreateMessageDialog(weld::Widget* pParent, VclMessageType eMessageType, VclButtonsType eButtonsType, const OUString &rPrimaryMessage)
+{
+    GtkInstanceWidget* pParentInstance = dynamic_cast<GtkInstanceWidget*>(pParent);
+    GtkWindow* pParentWindow = pParentInstance ? pParentInstance->getWindow() : nullptr;
+    GtkMessageDialog* pMessageDialog = GTK_MESSAGE_DIALOG(gtk_message_dialog_new(pParentWindow, GTK_DIALOG_MODAL,
+                                                          VclToGtk(eMessageType), VclToGtk(eButtonsType), "%s",
+                                                          OUStringToOString(rPrimaryMessage, RTL_TEXTENCODING_UTF8).getStr()));
+    return new GtkInstanceMessageDialog(pMessageDialog, nullptr, true);
+}
+
+weld::Window* GtkInstance::GetFrameWeld(const css::uno::Reference<css::awt::XWindow>& rWindow)
+{
+    if (SalGtkXWindow* pGtkXWindow = dynamic_cast<SalGtkXWindow*>(rWindow.get()))
+        return pGtkXWindow->getFrameWeld();
+    return SalInstance::GetFrameWeld(rWindow);
+}
+
+weld::Window* GtkSalFrame::GetFrameWeld() const
+{
+    if (!m_xFrameWeld)
+        m_xFrameWeld.reset(new GtkInstanceWindow(GTK_WINDOW(widget_get_toplevel(getWindow())), nullptr, false));
+    return m_xFrameWeld.get();
+}
+
+void* GtkInstance::CreateGStreamerSink(const SystemChildWindow *pWindow)
+{
+#if ENABLE_GSTREAMER_1_0
+    auto aSymbol = gstElementFactoryNameSymbol();
+    if (!aSymbol)
+        return nullptr;
+
+    const SystemEnvData* pEnvData = pWindow->GetSystemData();
+    if (!pEnvData)
+        return nullptr;
+
+    GstElement* pVideosink = aSymbol("gtksink", "gtksink");
+    if (!pVideosink)
+        return nullptr;
+
+    GtkWidget *pGstWidget;
+    g_object_get(pVideosink, "widget", &pGstWidget, nullptr);
+    gtk_widget_set_vexpand(pGstWidget, true);
+    gtk_widget_set_hexpand(pGstWidget, true);
+
+    GtkWidget *pParent = static_cast<GtkWidget*>(pEnvData->pWidget);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gtk_container_add(GTK_CONTAINER(pParent), pGstWidget);
+#endif
+    g_object_unref(pGstWidget);
+#if !GTK_CHECK_VERSION(4, 0, 0)
+    gtk_widget_show_all(pParent);
+#else
+    gtk_widget_show(pParent);
+#endif
+
+    return pVideosink;
+#else
+    (void)pWindow;
+    return nullptr;
+#endif
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */