From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 18:51:28 +0200
Subject: Adding upstream version 1:7.0.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/vcl/weld.hxx | 2388 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 2388 insertions(+)
 create mode 100644 include/vcl/weld.hxx

(limited to 'include/vcl/weld.hxx')

diff --git a/include/vcl/weld.hxx b/include/vcl/weld.hxx
new file mode 100644
index 000000000..0d58711d1
--- /dev/null
+++ b/include/vcl/weld.hxx
@@ -0,0 +1,2388 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_VCL_WELD_HXX
+#define INCLUDED_VCL_WELD_HXX
+
+#include <basegfx/range/b2irange.hxx>
+#include <rtl/ustring.hxx>
+#include <tools/color.hxx>
+#include <tools/date.hxx>
+#include <tools/fldunit.hxx>
+#include <tools/gen.hxx>
+#include <tools/link.hxx>
+#include <tools/time.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/vclenum.hxx>
+#include <vcl/font.hxx>
+#include <vcl/vclptr.hxx>
+#include <vcl/uitest/factory.hxx>
+
+#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+#include <boost/property_tree/ptree_fwd.hpp>
+
+#include <assert.h>
+#include <memory>
+#include <vector>
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace awt
+{
+class XWindow;
+}
+namespace datatransfer
+{
+namespace dnd
+{
+class XDropTarget;
+}
+}
+namespace graphic
+{
+class XGraphic;
+}
+}
+}
+}
+
+typedef css::uno::Reference<css::accessibility::XAccessible> a11yref;
+typedef css::uno::Reference<css::accessibility::XAccessibleRelationSet> a11yrelationset;
+
+enum class PointerStyle;
+class CommandEvent;
+class InputContext;
+class KeyEvent;
+class MouseEvent;
+class SvNumberFormatter;
+class TransferDataContainer;
+class OutputDevice;
+class VirtualDevice;
+struct SystemEnvData;
+
+namespace vcl
+{
+class ILibreOfficeKitNotifier;
+typedef OutputDevice RenderContext;
+}
+
+namespace weld
+{
+class Container;
+class DialogController;
+
+class VCL_DLLPUBLIC Widget
+{
+protected:
+    Link<Widget&, void> m_aFocusInHdl;
+    Link<Widget&, void> m_aFocusOutHdl;
+    Link<Widget&, bool> m_aMnemonicActivateHdl;
+    Link<const Size&, void> m_aSizeAllocateHdl;
+    Link<const KeyEvent&, bool> m_aKeyPressHdl;
+    Link<const KeyEvent&, bool> m_aKeyReleaseHdl;
+    Link<const MouseEvent&, bool> m_aMousePressHdl;
+    Link<const MouseEvent&, bool> m_aMouseMotionHdl;
+    Link<const MouseEvent&, bool> m_aMouseReleaseHdl;
+
+public:
+    virtual void set_sensitive(bool sensitive) = 0;
+    virtual bool get_sensitive() const = 0;
+    virtual void show() = 0;
+    virtual void hide() = 0;
+    // This function simply calls show() or hide() but is convenient when the
+    // visibility depends on some condition
+    virtual void set_visible(bool visible)
+    {
+        if (visible)
+            show();
+        else
+            hide();
+    }
+    virtual bool get_visible() const = 0; //if this widget visibility is true
+    virtual bool is_visible() const = 0; //if this widget visibility and all parents is true
+    virtual void set_can_focus(bool bCanFocus) = 0;
+    virtual void grab_focus() = 0;
+    virtual bool has_focus() const = 0;
+    virtual bool is_active() const = 0; //if this widget has the focus within the active window
+    virtual void set_has_default(bool has_default) = 0;
+    virtual bool get_has_default() const = 0;
+    virtual void set_size_request(int nWidth, int nHeight) = 0;
+    virtual Size get_size_request() const = 0;
+    virtual Size get_preferred_size() const = 0;
+    virtual float get_approximate_digit_width() const = 0;
+    virtual int get_text_height() const = 0;
+    virtual Size get_pixel_size(const OUString& rText) const = 0;
+    virtual OString get_buildable_name() const = 0;
+    virtual void set_help_id(const OString& rName) = 0;
+    virtual OString get_help_id() const = 0;
+
+    virtual void set_grid_left_attach(int nAttach) = 0;
+    virtual int get_grid_left_attach() const = 0;
+    virtual void set_grid_width(int nCols) = 0;
+    virtual void set_grid_top_attach(int nAttach) = 0;
+    virtual int get_grid_top_attach() const = 0;
+
+    virtual void set_hexpand(bool bExpand) = 0;
+    virtual bool get_hexpand() const = 0;
+    virtual void set_vexpand(bool bExpand) = 0;
+    virtual bool get_vexpand() const = 0;
+
+    virtual void set_secondary(bool bSecondary) = 0;
+
+    virtual void set_margin_top(int nMargin) = 0;
+    virtual void set_margin_bottom(int nMargin) = 0;
+    virtual void set_margin_left(int nMargin) = 0;
+    virtual void set_margin_right(int nMargin) = 0;
+
+    virtual int get_margin_top() const = 0;
+    virtual int get_margin_bottom() const = 0;
+    virtual int get_margin_left() const = 0;
+    virtual int get_margin_right() const = 0;
+
+    /*
+     * Report the extents of this widget relative to the rRelative target widget.
+     *
+     * To succeed, both widgets must be realized, and must share a common toplevel.
+     *
+     * returns false if the relative extents could not be determined, e.g. if
+     * either widget was not realized, or there was no common ancestor.
+     * Otherwise true.
+     */
+    virtual bool get_extents_relative_to(Widget& rRelative, int& x, int& y, int& width, int& height)
+        = 0;
+
+    virtual void set_accessible_name(const OUString& rName) = 0;
+    virtual OUString get_accessible_name() const = 0;
+
+    virtual OUString get_accessible_description() const = 0;
+
+    virtual void set_accessible_relation_labeled_by(weld::Widget* pLabel) = 0;
+    virtual void set_accessible_relation_label_for(weld::Widget* pLabeled) = 0;
+
+    virtual void set_tooltip_text(const OUString& rTip) = 0;
+    virtual OUString get_tooltip_text() const = 0;
+
+    virtual void connect_focus_in(const Link<Widget&, void>& rLink)
+    {
+        assert(!m_aFocusInHdl.IsSet() || !rLink.IsSet());
+        m_aFocusInHdl = rLink;
+    }
+
+    virtual void connect_focus_out(const Link<Widget&, void>& rLink)
+    {
+        assert(!m_aFocusOutHdl.IsSet() || !rLink.IsSet());
+        m_aFocusOutHdl = rLink;
+    }
+
+    // rLink is called when the mnemonic for the Widget is called.
+    // If rLink returns true the Widget will not automatically gain
+    // focus as normally occurs
+    virtual void connect_mnemonic_activate(const Link<Widget&, bool>& rLink)
+    {
+        assert(!m_aMnemonicActivateHdl.IsSet() || !rLink.IsSet());
+        m_aMnemonicActivateHdl = rLink;
+    }
+
+    virtual void connect_size_allocate(const Link<const Size&, void>& rLink)
+    {
+        assert(!m_aSizeAllocateHdl.IsSet() || !rLink.IsSet());
+        m_aSizeAllocateHdl = rLink;
+    }
+
+    virtual void connect_key_press(const Link<const KeyEvent&, bool>& rLink)
+    {
+        assert(!m_aKeyPressHdl.IsSet() || !rLink.IsSet());
+        m_aKeyPressHdl = rLink;
+    }
+
+    virtual void connect_key_release(const Link<const KeyEvent&, bool>& rLink)
+    {
+        assert(!m_aKeyReleaseHdl.IsSet() || !rLink.IsSet());
+        m_aKeyReleaseHdl = rLink;
+    }
+
+    virtual void connect_mouse_press(const Link<const MouseEvent&, bool>& rLink)
+    {
+        assert(!m_aMousePressHdl.IsSet() || !rLink.IsSet());
+        m_aMousePressHdl = rLink;
+    }
+
+    virtual void connect_mouse_move(const Link<const MouseEvent&, bool>& rLink)
+    {
+        assert(!m_aMouseMotionHdl.IsSet() || !rLink.IsSet());
+        m_aMouseMotionHdl = rLink;
+    }
+
+    virtual void connect_mouse_release(const Link<const MouseEvent&, bool>& rLink)
+    {
+        assert(!m_aMouseReleaseHdl.IsSet() || !rLink.IsSet());
+        m_aMouseReleaseHdl = rLink;
+    }
+
+    virtual void grab_add() = 0;
+    virtual bool has_grab() const = 0;
+    virtual void grab_remove() = 0;
+
+    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
+    virtual vcl::Font get_font() = 0;
+
+    //true for rtl, false otherwise
+    virtual bool get_direction() const = 0;
+    virtual void set_direction(bool bRTL) = 0;
+
+    virtual void freeze() = 0;
+    virtual void thaw() = 0;
+
+    virtual std::unique_ptr<Container> weld_parent() const = 0;
+
+    //iterate upwards through the hierarchy starting at this widgets parent,
+    //calling func with their helpid until func returns true or we run out of
+    //parents
+    virtual void help_hierarchy_foreach(const std::function<bool(const OString&)>& func) = 0;
+
+    virtual OUString strip_mnemonic(const OUString& rLabel) const = 0;
+
+    virtual VclPtr<VirtualDevice> create_virtual_device() const = 0;
+
+    //make this widget look like a page in a notebook
+    virtual void set_stack_background() = 0;
+    //make this widget look like it has a highlighted background
+    virtual void set_highlight_background() = 0;
+    //make this widget suitable for use in a toolbar
+    virtual void set_toolbar_background() = 0;
+
+    virtual css::uno::Reference<css::datatransfer::dnd::XDropTarget> get_drop_target() = 0;
+
+    virtual void connect_get_property_tree(const Link<boost::property_tree::ptree&, void>& rLink)
+        = 0;
+
+    // render the widget to an output device
+    virtual void draw(VirtualDevice& rOutput) = 0;
+
+    virtual ~Widget() {}
+};
+
+class VCL_DLLPUBLIC Container : virtual public Widget
+{
+public:
+    // remove and add in one go
+    virtual void move(weld::Widget* pWidget, weld::Container* pNewParent) = 0;
+    // recursively unset has-default on any buttons in the widget hierarchy
+    virtual void recursively_unset_default_buttons() = 0;
+    // create an XWindow as a child of this container. The XWindow is
+    // suitable to contain css::awt::XControl items
+    virtual css::uno::Reference<css::awt::XWindow> CreateChildFrame() = 0;
+};
+
+class VCL_DLLPUBLIC Box : virtual public Container
+{
+public:
+    // Moves child to a new position in the list of children
+    virtual void reorder_child(weld::Widget* pWidget, int position) = 0;
+};
+
+class VCL_DLLPUBLIC Paned : virtual public Container
+{
+public:
+    // set pixel position of divider
+    virtual void set_position(int nPos) = 0;
+    // get pixel position of divider
+    virtual int get_position() const = 0;
+};
+
+class VCL_DLLPUBLIC ScrolledWindow : virtual public Container
+{
+protected:
+    Link<ScrolledWindow&, void> m_aVChangeHdl;
+    Link<ScrolledWindow&, void> m_aHChangeHdl;
+
+    void signal_vadjustment_changed() { m_aVChangeHdl.Call(*this); }
+    void signal_hadjustment_changed() { m_aHChangeHdl.Call(*this); }
+
+public:
+    virtual void set_user_managed_scrolling() = 0;
+
+    virtual void hadjustment_configure(int value, int lower, int upper, int step_increment,
+                                       int page_increment, int page_size)
+        = 0;
+    virtual int hadjustment_get_value() const = 0;
+    virtual void hadjustment_set_value(int value) = 0;
+    virtual int hadjustment_get_upper() const = 0;
+    virtual void hadjustment_set_upper(int upper) = 0;
+    virtual int hadjustment_get_page_size() const = 0;
+    virtual void hadjustment_set_page_size(int size) = 0;
+    virtual void hadjustment_set_page_increment(int size) = 0;
+    virtual void hadjustment_set_step_increment(int size) = 0;
+    virtual void set_hpolicy(VclPolicyType eHPolicy) = 0;
+    virtual VclPolicyType get_hpolicy() const = 0;
+    void connect_hadjustment_changed(const Link<ScrolledWindow&, void>& rLink)
+    {
+        m_aHChangeHdl = rLink;
+    }
+    virtual int get_hscroll_height() const = 0;
+
+    virtual void vadjustment_configure(int value, int lower, int upper, int step_increment,
+                                       int page_increment, int page_size)
+        = 0;
+    virtual int vadjustment_get_value() const = 0;
+    virtual void vadjustment_set_value(int value) = 0;
+    virtual int vadjustment_get_upper() const = 0;
+    virtual void vadjustment_set_upper(int upper) = 0;
+    virtual int vadjustment_get_page_size() const = 0;
+    virtual void vadjustment_set_page_size(int size) = 0;
+    virtual void vadjustment_set_page_increment(int size) = 0;
+    virtual void vadjustment_set_step_increment(int size) = 0;
+    virtual int vadjustment_get_lower() const = 0;
+    virtual void vadjustment_set_lower(int upper) = 0;
+    virtual void set_vpolicy(VclPolicyType eVPolicy) = 0;
+    virtual VclPolicyType get_vpolicy() const = 0;
+    void connect_vadjustment_changed(const Link<ScrolledWindow&, void>& rLink)
+    {
+        m_aVChangeHdl = rLink;
+    }
+    virtual int get_vscroll_width() const = 0;
+};
+
+class Label;
+
+class VCL_DLLPUBLIC Frame : virtual public Container
+{
+public:
+    virtual void set_label(const OUString& rText) = 0;
+    virtual OUString get_label() const = 0;
+    virtual std::unique_ptr<Label> weld_label_widget() const = 0;
+};
+
+class VCL_DLLPUBLIC Notebook : virtual public Container
+{
+protected:
+    Link<const OString&, bool> m_aLeavePageHdl;
+    Link<const OString&, void> m_aEnterPageHdl;
+
+public:
+    virtual int get_current_page() const = 0;
+    virtual OString get_page_ident(int nPage) const = 0;
+    virtual OString get_current_page_ident() const = 0;
+    virtual void set_current_page(int nPage) = 0;
+    virtual void set_current_page(const OString& rIdent) = 0;
+    virtual void remove_page(const OString& rIdent) = 0;
+    virtual void insert_page(const OString& rIdent, const OUString& rLabel, int nPos) = 0;
+    void append_page(const OString& rIdent, const OUString& rLabel)
+    {
+        insert_page(rIdent, rLabel, -1);
+    }
+    virtual void set_tab_label_text(const OString& rIdent, const OUString& rLabel) = 0;
+    virtual OUString get_tab_label_text(const OString& rIdent) const = 0;
+    virtual int get_n_pages() const = 0;
+    virtual weld::Container* get_page(const OString& rIdent) const = 0;
+
+    void connect_leave_page(const Link<const OString&, bool>& rLink) { m_aLeavePageHdl = rLink; }
+
+    void connect_enter_page(const Link<const OString&, void>& rLink) { m_aEnterPageHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC ScreenShotEntry
+{
+public:
+    ScreenShotEntry(const OString& rHelpId, const basegfx::B2IRange& rB2IRange)
+        : msHelpId(rHelpId)
+        , maB2IRange(rB2IRange)
+    {
+    }
+
+    const basegfx::B2IRange& getB2IRange() const { return maB2IRange; }
+
+    const OString& GetHelpId() const { return msHelpId; }
+
+private:
+    OString msHelpId;
+    basegfx::B2IRange maB2IRange;
+};
+
+typedef std::vector<ScreenShotEntry> ScreenShotCollection;
+
+class VCL_DLLPUBLIC Window : virtual public Container
+{
+protected:
+    Link<Widget&, bool> m_aHelpRequestHdl;
+    Link<Widget&, void> m_aTopLevelFocusChangedHdl;
+
+    void signal_toplevel_focus_changed() { m_aTopLevelFocusChangedHdl.Call(*this); }
+
+public:
+    virtual void set_title(const OUString& rTitle) = 0;
+    virtual OUString get_title() const = 0;
+    virtual void set_busy_cursor(bool bBusy) = 0;
+    virtual void window_move(int x, int y) = 0;
+    virtual void set_modal(bool bModal) = 0;
+    virtual bool get_modal() const = 0;
+    virtual bool get_resizable() const = 0;
+    virtual Size get_size() const = 0;
+    virtual Point get_position() const = 0;
+    virtual tools::Rectangle get_monitor_workarea() const = 0;
+    // center window on is parent
+    //
+    // bTrackGeometryRequests set to true tries to ensure the window will end
+    // up still centered on its parent windows final size, taking into account
+    // that there may currently be pending geometry requests for the parent not
+    // yet processed by the underlying toolkit
+    //
+    // for e.g gtk this will means the window is always centered even when
+    // resized, calling set_centered_on_parent with false will turn this
+    // off again.
+    virtual void set_centered_on_parent(bool bTrackGeometryRequests) = 0;
+    virtual bool has_toplevel_focus() const = 0;
+    virtual void present() = 0;
+    virtual void set_window_state(const OString& rStr) = 0;
+    virtual OString get_window_state(WindowStateMask nMask) const = 0;
+
+    virtual css::uno::Reference<css::awt::XWindow> GetXWindow() = 0;
+
+    void connect_help(const Link<Widget&, bool>& rLink) { m_aHelpRequestHdl = rLink; }
+    virtual void connect_toplevel_focus_changed(const Link<Widget&, void>& rLink)
+    {
+        m_aTopLevelFocusChangedHdl = rLink;
+    }
+
+    virtual SystemEnvData get_system_data() const = 0;
+
+    virtual void resize_to_request() = 0;
+
+    // collect positions of widgets and their help ids for screenshot purposes
+    virtual ScreenShotCollection collect_screenshot_data() = 0;
+};
+
+class VCL_DLLPUBLIC WaitObject
+{
+private:
+    weld::Window* m_pWindow;
+
+public:
+    WaitObject(weld::Window* pWindow)
+        : m_pWindow(pWindow)
+    {
+        if (m_pWindow)
+            m_pWindow->set_busy_cursor(true);
+    }
+    ~WaitObject()
+    {
+        if (m_pWindow)
+            m_pWindow->set_busy_cursor(false);
+    }
+};
+
+class Button;
+
+class VCL_DLLPUBLIC Dialog : virtual public Window
+{
+private:
+    friend DialogController;
+    virtual bool runAsync(std::shared_ptr<DialogController>,
+                          const std::function<void(sal_Int32)>& func)
+        = 0;
+
+public:
+    virtual int run() = 0;
+    // Run async without a controller
+    // @param self - must point to this, to enforce that the dialog was created/held by a shared_ptr
+    virtual bool runAsync(std::shared_ptr<Dialog> const& rxSelf,
+                          const std::function<void(sal_Int32)>& func)
+        = 0;
+    virtual void response(int response) = 0;
+    virtual void add_button(const OUString& rText, int response, const OString& rHelpId = OString())
+        = 0;
+    virtual void set_default_response(int response) = 0;
+    virtual Button* weld_widget_for_response(int response) = 0;
+    virtual Container* weld_content_area() = 0;
+
+    // shrink the dialog down to shown just these widgets
+    virtual void collapse(weld::Widget* pEdit, weld::Widget* pButton) = 0;
+    // undo previous dialog collapse
+    virtual void undo_collapse() = 0;
+
+    virtual void SetInstallLOKNotifierHdl(const Link<void*, vcl::ILibreOfficeKitNotifier*>& rLink)
+        = 0;
+};
+
+class VCL_DLLPUBLIC MessageDialog : virtual public Dialog
+{
+public:
+    virtual void set_primary_text(const OUString& rText) = 0;
+    virtual OUString get_primary_text() const = 0;
+    virtual void set_secondary_text(const OUString& rText) = 0;
+    virtual OUString get_secondary_text() const = 0;
+    virtual Container* weld_message_area() = 0;
+};
+
+class VCL_DLLPUBLIC AboutDialog : virtual public Dialog
+{
+public:
+    virtual void set_version(const OUString& rVersion) = 0;
+    virtual void set_copyright(const OUString& rCopyright) = 0;
+    virtual void set_website(const OUString& rURL) = 0;
+    virtual void set_website_label(const OUString& rLabel) = 0;
+    virtual OUString get_website_label() const = 0;
+    virtual void set_logo(const css::uno::Reference<css::graphic::XGraphic>& rImage) = 0;
+    virtual void set_background(const css::uno::Reference<css::graphic::XGraphic>& rImage) = 0;
+};
+
+class VCL_DLLPUBLIC Assistant : virtual public Dialog
+{
+protected:
+    Link<const OString&, bool> m_aJumpPageHdl;
+
+    bool signal_jump_page(const OString& rIdent) { return m_aJumpPageHdl.Call(rIdent); }
+
+public:
+    virtual int get_current_page() const = 0;
+    virtual int get_n_pages() const = 0;
+    virtual OString get_page_ident(int nPage) const = 0;
+    virtual OString get_current_page_ident() const = 0;
+    virtual void set_current_page(int nPage) = 0;
+    virtual void set_current_page(const OString& rIdent) = 0;
+    // move the page rIdent to position nIndex
+    virtual void set_page_index(const OString& rIdent, int nIndex) = 0;
+    virtual void set_page_title(const OString& rIdent, const OUString& rTitle) = 0;
+    virtual OUString get_page_title(const OString& rIdent) const = 0;
+    virtual void set_page_sensitive(const OString& rIdent, bool bSensitive) = 0;
+    virtual weld::Container* append_page(const OString& rIdent) = 0;
+
+    virtual void set_page_side_help_id(const OString& rHelpId) = 0;
+
+    void connect_jump_page(const Link<const OString&, bool>& rLink) { m_aJumpPageHdl = rLink; }
+};
+
+struct VCL_DLLPUBLIC ComboBoxEntry
+{
+    OUString sString;
+    OUString sId;
+    OUString sImage;
+    ComboBoxEntry(const OUString& rString)
+        : sString(rString)
+    {
+    }
+    ComboBoxEntry(const OUString& rString, const OUString& rId)
+        : sString(rString)
+        , sId(rId)
+    {
+    }
+    ComboBoxEntry(const OUString& rString, const OUString& rId, const OUString& rImage)
+        : sString(rString)
+        , sId(rId)
+        , sImage(rImage)
+    {
+    }
+};
+
+enum class EntryMessageType
+{
+    Normal,
+    Warning,
+    Error,
+};
+
+class Menu;
+
+/// A widget used to choose from a list of items.
+class VCL_DLLPUBLIC ComboBox : virtual public Container
+{
+private:
+    OUString m_sSavedValue;
+
+public:
+    // OUString is the id of the row, it may be null to measure the height of a generic line
+    typedef std::tuple<vcl::RenderContext&, const tools::Rectangle&, bool, const OUString&>
+        render_args;
+
+protected:
+    Link<ComboBox&, void> m_aChangeHdl;
+    Link<ComboBox&, void> m_aPopupToggledHdl;
+    Link<ComboBox&, bool> m_aEntryActivateHdl;
+    Link<OUString&, bool> m_aEntryInsertTextHdl;
+
+    void signal_changed() { m_aChangeHdl.Call(*this); }
+    virtual void signal_popup_toggled() { m_aPopupToggledHdl.Call(*this); }
+
+    Link<render_args, void> m_aRenderHdl;
+    void signal_custom_render(vcl::RenderContext& rDevice, const tools::Rectangle& rRect,
+                              bool bSelected, const OUString& rId)
+    {
+        m_aRenderHdl.Call(
+            std::tuple<vcl::RenderContext&, const tools::Rectangle, bool, const OUString&>(
+                rDevice, rRect, bSelected, rId));
+    }
+
+    Link<vcl::RenderContext&, Size> m_aGetSizeHdl;
+    Size signal_custom_get_size(vcl::RenderContext& rDevice) { return m_aGetSizeHdl.Call(rDevice); }
+
+public:
+    virtual void insert(int pos, const OUString& rStr, const OUString* pId,
+                        const OUString* pIconName, VirtualDevice* pImageSurface)
+        = 0;
+    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems, bool bKeepExisting)
+        = 0;
+    void insert_text(int pos, const OUString& rStr)
+    {
+        insert(pos, rStr, nullptr, nullptr, nullptr);
+    }
+    void append_text(const OUString& rStr) { insert(-1, rStr, nullptr, nullptr, nullptr); }
+    void append(const OUString& rId, const OUString& rStr)
+    {
+        insert(-1, rStr, &rId, nullptr, nullptr);
+    }
+    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
+    {
+        insert(-1, rStr, &rId, &rImage, nullptr);
+    }
+    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
+    {
+        insert(-1, rStr, &rId, nullptr, &rImage);
+    }
+    virtual void insert_separator(int pos, const OUString& rId) = 0;
+    void append_separator(const OUString& rId) { insert_separator(-1, rId); }
+
+    virtual int get_count() const = 0;
+    virtual void make_sorted() = 0;
+    virtual void clear() = 0;
+
+    //by index
+    virtual int get_active() const = 0;
+    virtual void set_active(int pos) = 0;
+    virtual void remove(int pos) = 0;
+
+    //by text
+    virtual OUString get_active_text() const = 0;
+    void set_active_text(const OUString& rStr) { set_active(find_text(rStr)); }
+    virtual OUString get_text(int pos) const = 0;
+    virtual int find_text(const OUString& rStr) const = 0;
+    void remove_text(const OUString& rText) { remove(find_text(rText)); }
+
+    //by id
+    virtual OUString get_active_id() const = 0;
+    virtual void set_active_id(const OUString& rStr) = 0;
+    virtual OUString get_id(int pos) const = 0;
+    virtual void set_id(int row, const OUString& rId) = 0;
+    virtual int find_id(const OUString& rId) const = 0;
+    void remove_id(const OUString& rId) { remove(find_id(rId)); }
+
+    /* m_aChangeHdl is called when the active item is changed. The can be due
+       to the user selecting a different item from the list or while typing
+       into the entry of a combo box with an entry.
+
+       Use changed_by_direct_pick() to discover whether an item was actually explicitly
+       selected, e.g. from the menu.
+     */
+    void connect_changed(const Link<ComboBox&, void>& rLink) { m_aChangeHdl = rLink; }
+
+    virtual bool changed_by_direct_pick() const = 0;
+
+    virtual void connect_popup_toggled(const Link<ComboBox&, void>& rLink)
+    {
+        m_aPopupToggledHdl = rLink;
+    }
+
+    //entry related
+    virtual bool has_entry() const = 0;
+    virtual void set_entry_message_type(EntryMessageType eType) = 0;
+    virtual void set_entry_text(const OUString& rStr) = 0;
+    virtual void set_entry_width_chars(int nChars) = 0;
+    virtual void set_entry_max_length(int nChars) = 0;
+    virtual void select_entry_region(int nStartPos, int nEndPos) = 0;
+    virtual bool get_entry_selection_bounds(int& rStartPos, int& rEndPos) = 0;
+    virtual void set_entry_completion(bool bEnable, bool bCaseSensitive = false) = 0;
+    virtual void set_entry_placeholder_text(const OUString& rText) = 0;
+    virtual void set_entry_editable(bool bEditable) = 0;
+    virtual void cut_entry_clipboard() = 0;
+    virtual void copy_entry_clipboard() = 0;
+    virtual void paste_entry_clipboard() = 0;
+
+    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
+    virtual void set_entry_font(const vcl::Font& rFont) = 0;
+    virtual vcl::Font get_entry_font() = 0;
+
+    virtual bool get_popup_shown() const = 0;
+
+    void connect_entry_insert_text(const Link<OUString&, bool>& rLink)
+    {
+        m_aEntryInsertTextHdl = rLink;
+    }
+
+    // callback returns true to indicated no further processing of activate wanted
+    void connect_entry_activate(const Link<ComboBox&, bool>& rLink) { m_aEntryActivateHdl = rLink; }
+
+    void save_value() { m_sSavedValue = get_active_text(); }
+    OUString const& get_saved_value() const { return m_sSavedValue; }
+    bool get_value_changed_from_saved() const { return m_sSavedValue != get_active_text(); }
+
+    // for custom rendering a row
+    void connect_custom_get_size(const Link<vcl::RenderContext&, Size>& rLink)
+    {
+        m_aGetSizeHdl = rLink;
+    }
+    void connect_custom_render(const Link<render_args, void>& rLink) { m_aRenderHdl = rLink; }
+    // call set_custom_renderer after setting custom callbacks
+    virtual void set_custom_renderer(bool bOn) = 0;
+    // create a virtual device compatible with the device passed in render_args wrt alpha
+    virtual VclPtr<VirtualDevice> create_render_virtual_device() const = 0;
+    // set a sub menu for a entry, only works with custom rendering
+    virtual void set_item_menu(const OString& rIdent, weld::Menu* pMenu) = 0;
+    // get the width needed to show the menu launcher in a custom row
+    virtual int get_menu_button_width() const = 0;
+
+    // for mru support
+    virtual int get_max_mru_count() const = 0;
+    virtual void set_max_mru_count(int nCount) = 0;
+    virtual OUString get_mru_entries() const = 0;
+    virtual void set_mru_entries(const OUString& rEntries) = 0;
+};
+
+class VCL_DLLPUBLIC TreeIter
+{
+private:
+    TreeIter(const TreeIter&) = delete;
+    TreeIter& operator=(const TreeIter&) = delete;
+
+public:
+    TreeIter() {}
+    virtual bool equal(const TreeIter& rOther) const = 0;
+    virtual ~TreeIter() {}
+};
+
+class VCL_DLLPUBLIC TreeView : virtual public Container
+{
+private:
+    OUString m_sSavedValue;
+
+protected:
+    Link<TreeView&, void> m_aChangeHdl;
+    Link<TreeView&, bool> m_aRowActivatedHdl;
+    Link<int, void> m_aColumnClickedHdl;
+    Link<const std::pair<int, int>&, void> m_aRadioToggleHdl;
+    Link<const TreeIter&, bool> m_aEditingStartedHdl;
+    Link<const std::pair<const TreeIter&, OUString>&, bool> m_aEditingDoneHdl;
+    // if handler returns false, the expansion of the row is refused
+    Link<const TreeIter&, bool> m_aExpandingHdl;
+    // if handler returns false, the collapse of the row is refused
+    Link<const TreeIter&, bool> m_aCollapsingHdl;
+    Link<TreeView&, void> m_aVisibleRangeChangedHdl;
+    Link<TreeView&, void> m_aModelChangedHdl;
+    // if handler returns true, then menu has been show and event is consumed
+    Link<const CommandEvent&, bool> m_aPopupMenuHdl;
+    // if handler returns true, drag is disallowed, consumer can change bool
+    // arg to false to disable the treeview default dnd icon
+    Link<bool&, bool> m_aDragBeginHdl;
+    std::function<int(const weld::TreeIter&, const weld::TreeIter&)> m_aCustomSort;
+
+public:
+    // OUString is the id of the row, it may be null to measure the height of a generic line
+    typedef std::pair<vcl::RenderContext&, const OUString&> get_size_args;
+    typedef std::tuple<vcl::RenderContext&, const tools::Rectangle&, bool, const OUString&>
+        render_args;
+
+protected:
+    std::vector<int> m_aRadioIndexes;
+
+    void signal_changed() { m_aChangeHdl.Call(*this); }
+    bool signal_row_activated() { return m_aRowActivatedHdl.Call(*this); }
+    void signal_column_clicked(int nColumn) { m_aColumnClickedHdl.Call(nColumn); }
+    bool signal_expanding(const TreeIter& rIter)
+    {
+        return !m_aExpandingHdl.IsSet() || m_aExpandingHdl.Call(rIter);
+    }
+    bool signal_collapsing(const TreeIter& rIter)
+    {
+        return !m_aCollapsingHdl.IsSet() || m_aCollapsingHdl.Call(rIter);
+    }
+    void signal_visible_range_changed() { m_aVisibleRangeChangedHdl.Call(*this); }
+    void signal_model_changed() { m_aModelChangedHdl.Call(*this); }
+
+    // arg is pair<row,col>
+    void signal_toggled(const std::pair<int, int>& rRowCol) { m_aRadioToggleHdl.Call(rRowCol); }
+
+    bool signal_editing_started(const TreeIter& rIter) { return m_aEditingStartedHdl.Call(rIter); }
+
+    bool signal_editing_done(const std::pair<const TreeIter&, OUString>& rIterText)
+    {
+        return m_aEditingDoneHdl.Call(rIterText);
+    }
+
+    Link<const TreeIter&, OUString> m_aQueryTooltipHdl;
+    OUString signal_query_tooltip(const TreeIter& rIter) { return m_aQueryTooltipHdl.Call(rIter); }
+
+    Link<render_args, void> m_aRenderHdl;
+    void signal_custom_render(vcl::RenderContext& rDevice, const tools::Rectangle& rRect,
+                              bool bSelected, const OUString& rId)
+    {
+        m_aRenderHdl.Call(
+            std::tuple<vcl::RenderContext&, const tools::Rectangle, bool, const OUString&>(
+                rDevice, rRect, bSelected, rId));
+    }
+
+    Link<get_size_args, Size> m_aGetSizeHdl;
+    Size signal_custom_get_size(vcl::RenderContext& rDevice, const OUString& rId)
+    {
+        return m_aGetSizeHdl.Call(std::pair<vcl::RenderContext&, const OUString&>(rDevice, rId));
+    }
+
+public:
+    virtual void connect_query_tooltip(const Link<const TreeIter&, OUString>& rLink)
+    {
+        assert(!m_aQueryTooltipHdl.IsSet() || !rLink.IsSet());
+        m_aQueryTooltipHdl = rLink;
+    }
+
+    virtual void insert(const TreeIter* pParent, int pos, const OUString* pStr, const OUString* pId,
+                        const OUString* pIconName, VirtualDevice* pImageSurface,
+                        const OUString* pExpanderName, bool bChildrenOnDemand, TreeIter* pRet)
+        = 0;
+
+    void insert(int nRow, TreeIter* pRet = nullptr)
+    {
+        insert(nullptr, nRow, nullptr, nullptr, nullptr, nullptr, nullptr, false, pRet);
+    }
+
+    void append(TreeIter* pRet = nullptr) { insert(-1, pRet); }
+
+    void insert(int pos, const OUString& rStr, const OUString* pId, const OUString* pIconName,
+                VirtualDevice* pImageSurface)
+    {
+        insert(nullptr, pos, &rStr, pId, pIconName, pImageSurface, nullptr, false, nullptr);
+    }
+    void insert_text(int pos, const OUString& rStr)
+    {
+        insert(nullptr, pos, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
+    }
+    void append_text(const OUString& rStr)
+    {
+        insert(nullptr, -1, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
+    }
+    void append(const OUString& rId, const OUString& rStr)
+    {
+        insert(nullptr, -1, &rStr, &rId, nullptr, nullptr, nullptr, false, nullptr);
+    }
+    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
+    {
+        insert(nullptr, -1, &rStr, &rId, &rImage, nullptr, nullptr, false, nullptr);
+    }
+    void append(const TreeIter* pParent, const OUString& rId, const OUString& rStr,
+                const OUString& rImage)
+    {
+        insert(pParent, -1, &rStr, &rId, &rImage, nullptr, nullptr, false, nullptr);
+    }
+    void append(const TreeIter* pParent, const OUString& rStr)
+    {
+        insert(pParent, -1, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
+    }
+    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
+    {
+        insert(nullptr, -1, &rStr, &rId, nullptr, &rImage, nullptr, false, nullptr);
+    }
+
+    void connect_changed(const Link<TreeView&, void>& rLink) { m_aChangeHdl = rLink; }
+
+    /* A row is "activated" when the user double clicks a treeview row. It may
+       also be emitted when a row is selected and Space or Enter is pressed.
+
+       a return of "true" means the activation has been handled, a "false" propagates
+       the activation to the default handler which expands/collapses the row, if possible.
+    */
+    void connect_row_activated(const Link<TreeView&, bool>& rLink) { m_aRowActivatedHdl = rLink; }
+
+    // Argument is a pair of row, col describing the node in non-tree mode.
+    // If in tree mode, then retrieve the toggled node with get_cursor
+    void connect_toggled(const Link<const std::pair<int, int>&, void>& rLink)
+    {
+        m_aRadioToggleHdl = rLink;
+    }
+
+    void connect_column_clicked(const Link<int, void>& rLink) { m_aColumnClickedHdl = rLink; }
+    void connect_model_changed(const Link<TreeView&, void>& rLink) { m_aModelChangedHdl = rLink; }
+
+    virtual OUString get_selected_text() const = 0;
+    virtual OUString get_selected_id() const = 0;
+
+    //by index
+    virtual int get_selected_index() const = 0;
+    //Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    virtual void select(int pos) = 0;
+    virtual void unselect(int pos) = 0;
+    virtual void remove(int pos) = 0;
+    virtual OUString get_text(int row, int col = -1) const = 0;
+    virtual void set_text(int row, const OUString& rText, int col = -1) = 0;
+    virtual void set_sensitive(int row, bool bSensitive, int col = -1) = 0;
+    virtual void set_id(int row, const OUString& rId) = 0;
+    virtual void set_toggle(int row, TriState eState, int col) = 0;
+    virtual TriState get_toggle(int row, int col) const = 0;
+    virtual void set_image(int row, const OUString& rImage, int col = -1) = 0;
+    virtual void set_image(int row, VirtualDevice& rImage, int col = -1) = 0;
+    virtual void set_image(int row, const css::uno::Reference<css::graphic::XGraphic>& rImage,
+                           int col = -1)
+        = 0;
+    virtual void set_text_emphasis(int row, bool bOn, int col) = 0;
+    virtual bool get_text_emphasis(int row, int col) const = 0;
+    virtual void set_text_align(int row, double fAlign, int col) = 0;
+    virtual void swap(int pos1, int pos2) = 0;
+    virtual std::vector<int> get_selected_rows() const = 0;
+    virtual void set_font_color(int pos, const Color& rColor) = 0;
+    // scroll to make 'row' visible, this will also expand all parent rows of 'row' as necessary to
+    // make 'row' visible
+    virtual void scroll_to_row(int row) = 0;
+    virtual bool is_selected(int pos) const = 0;
+    virtual int get_cursor_index() const = 0;
+    virtual void set_cursor(int pos) = 0;
+
+    //by text
+    virtual int find_text(const OUString& rText) const = 0;
+    //Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    void select_text(const OUString& rText) { select(find_text(rText)); }
+    void remove_text(const OUString& rText) { remove(find_text(rText)); }
+    std::vector<OUString> get_selected_rows_text() const
+    {
+        std::vector<int> aRows(get_selected_rows());
+        std::vector<OUString> aRet;
+        aRet.reserve(aRows.size());
+        for (auto a : aRows)
+            aRet.push_back(get_text(a));
+        return aRet;
+    }
+
+    //by id
+    virtual OUString get_id(int pos) const = 0;
+    virtual int find_id(const OUString& rId) const = 0;
+    //Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    void select_id(const OUString& rId) { select(find_id(rId)); }
+    void remove_id(const OUString& rText) { remove(find_id(rText)); }
+
+    //via iter
+    virtual std::unique_ptr<TreeIter> make_iterator(const TreeIter* pOrig = nullptr) const = 0;
+    virtual void copy_iterator(const TreeIter& rSource, TreeIter& rDest) const = 0;
+    virtual bool get_selected(TreeIter* pIter) const = 0;
+    virtual bool get_cursor(TreeIter* pIter) const = 0;
+    virtual void set_cursor(const TreeIter& rIter) = 0;
+    virtual bool get_iter_first(TreeIter& rIter) const = 0;
+    // set iter to point to next node at the current level
+    virtual bool iter_next_sibling(TreeIter& rIter) const = 0;
+    // set iter to point to previous node at the current level
+    virtual bool iter_previous_sibling(TreeIter& rIter) const = 0;
+    // set iter to point to next node, depth first, then sibling
+    virtual bool iter_next(TreeIter& rIter) const = 0;
+    // set iter to point to previous node, sibling first then depth
+    virtual bool iter_previous(TreeIter& rIter) const = 0;
+    // set iter to point to next node, depth first but only if expanded, then sibling
+    virtual bool iter_next_visible(TreeIter& rIter) const = 0;
+    virtual bool iter_children(TreeIter& rIter) const = 0;
+    bool iter_nth_sibling(TreeIter& rIter, int nChild) const
+    {
+        bool bRet = true;
+        for (int i = 0; i < nChild && bRet; ++i)
+            bRet = iter_next_sibling(rIter);
+        return bRet;
+    }
+    bool iter_nth_child(TreeIter& rIter, int nChild) const
+    {
+        if (!iter_children(rIter))
+            return false;
+        return iter_nth_sibling(rIter, nChild);
+    }
+    virtual bool iter_parent(TreeIter& rIter) const = 0;
+    virtual int get_iter_depth(const TreeIter& rIter) const = 0;
+    virtual int get_iter_index_in_parent(const TreeIter& rIter) const = 0;
+    /* Compares two paths. If a appears before b in a tree, then -1 is returned.
+       If b appears before a , then 1 is returned. If the two nodes are equal,
+       then 0 is returned.
+    */
+    virtual int iter_compare(const TreeIter& a, const TreeIter& b) const = 0;
+    virtual bool iter_has_child(const TreeIter& rIter) const = 0;
+    // returns the number of direct children rIter has
+    virtual int iter_n_children(const TreeIter& rIter) const = 0;
+    virtual void remove(const TreeIter& rIter) = 0;
+    //Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    virtual void select(const TreeIter& rIter) = 0;
+    virtual void unselect(const TreeIter& rIter) = 0;
+    virtual bool get_row_expanded(const TreeIter& rIter) const = 0;
+    virtual bool get_children_on_demand(const TreeIter& rIter) const = 0;
+    virtual void set_children_on_demand(const TreeIter& rIter, bool bChildrenOnDemand) = 0;
+    //visually indent this row as if it was at get_iter_depth() + nIndentLevel
+    virtual void set_extra_row_indent(const TreeIter& rIter, int nIndentLevel) = 0;
+    virtual void expand_row(const TreeIter& rIter) = 0;
+    virtual void collapse_row(const TreeIter& rIter) = 0;
+    virtual void set_text(const TreeIter& rIter, const OUString& rStr, int col = -1) = 0;
+    virtual void set_sensitive(const TreeIter& rIter, bool bSensitive, int col = -1) = 0;
+    virtual void set_text_emphasis(const TreeIter& rIter, bool bOn, int col) = 0;
+    virtual bool get_text_emphasis(const TreeIter& rIter, int col) const = 0;
+    virtual void set_text_align(const TreeIter& rIter, double fAlign, int col) = 0;
+    virtual void set_toggle(const TreeIter& rIter, TriState bOn, int col) = 0;
+    virtual TriState get_toggle(const TreeIter& rIter, int col) const = 0;
+    virtual OUString get_text(const TreeIter& rIter, int col = -1) const = 0;
+    virtual void set_id(const TreeIter& rIter, const OUString& rId) = 0;
+    virtual OUString get_id(const TreeIter& rIter) const = 0;
+    virtual void set_image(const TreeIter& rIter, const OUString& rImage, int col = -1) = 0;
+    virtual void set_image(const TreeIter& rIter, VirtualDevice& rImage, int col = -1) = 0;
+    virtual void set_image(const TreeIter& rIter,
+                           const css::uno::Reference<css::graphic::XGraphic>& rImage, int col = -1)
+        = 0;
+    virtual void set_font_color(const TreeIter& rIter, const Color& rColor) = 0;
+    // scroll to make rIter visible, this will also expand all parent rows of rIter as necessary to
+    // make rIter visible
+    virtual void scroll_to_row(const TreeIter& rIter) = 0;
+    virtual bool is_selected(const TreeIter& rIter) const = 0;
+
+    virtual void move_subtree(TreeIter& rNode, const TreeIter* pNewParent, int nIndexInNewParent)
+        = 0;
+
+    // call func on each element until func returns true or we run out of elements
+    virtual void all_foreach(const std::function<bool(TreeIter&)>& func) = 0;
+    // call func on each selected element until func returns true or we run out of elements
+    virtual void selected_foreach(const std::function<bool(TreeIter&)>& func) = 0;
+    // call func on each visible element until func returns true or we run out of elements
+    virtual void visible_foreach(const std::function<bool(TreeIter&)>& func) = 0;
+    // clear the tree, then add nSourceCount rows, call func on each row
+    // inserted with an arg of the index that this row will be when bulk insert
+    // ends.
+    //
+    // this enables inserting the entries backwards in models where that is faster,
+    //
+    // pFixedWidths is optional, when present each matching entry col text
+    // width will not be measured, and the fixed width used instead. Use
+    // sparingly because wider text than the fixed width is clipped and cannot
+    // be scrolled into view horizontally.
+    virtual void bulk_insert_for_each(int nSourceCount,
+                                      const std::function<void(TreeIter&, int nSourceIndex)>& func,
+                                      const std::vector<int>* pFixedWidths = nullptr)
+        = 0;
+
+    void connect_expanding(const Link<const TreeIter&, bool>& rLink) { m_aExpandingHdl = rLink; }
+    void connect_collapsing(const Link<const TreeIter&, bool>& rLink) { m_aCollapsingHdl = rLink; }
+
+    // rStartLink returns true to allow editing, false to disallow
+    // rEndLink returns true to accept the edit, false to reject
+    virtual void
+    connect_editing(const Link<const TreeIter&, bool>& rStartLink,
+                    const Link<const std::pair<const TreeIter&, OUString>&, bool>& rEndLink)
+    {
+        assert(rStartLink.IsSet() == rEndLink.IsSet() && "should be both on or both off");
+        m_aEditingStartedHdl = rStartLink;
+        m_aEditingDoneHdl = rEndLink;
+    }
+
+    virtual void start_editing(const weld::TreeIter& rEntry) = 0;
+    virtual void end_editing() = 0;
+
+    virtual void connect_visible_range_changed(const Link<TreeView&, void>& rLink)
+    {
+        assert(!m_aVisibleRangeChangedHdl.IsSet() || !rLink.IsSet());
+        m_aVisibleRangeChangedHdl = rLink;
+    }
+
+    virtual void connect_popup_menu(const Link<const CommandEvent&, bool>& rLink)
+    {
+        m_aPopupMenuHdl = rLink;
+    }
+
+    virtual void enable_drag_source(rtl::Reference<TransferDataContainer>& rTransferrable,
+                                    sal_uInt8 eDNDConstants)
+        = 0;
+
+    void connect_drag_begin(const Link<bool&, bool>& rLink) { m_aDragBeginHdl = rLink; }
+
+    //all of them. Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    void select_all() { unselect(-1); }
+    void unselect_all() { select(-1); }
+
+    // return the number of toplevel nodes
+    virtual int n_children() const = 0;
+
+    // afterwards, entries will be in default ascending sort order
+    virtual void make_sorted() = 0;
+    virtual void make_unsorted() = 0;
+    virtual bool get_sort_order() const = 0;
+    virtual void set_sort_order(bool bAscending) = 0;
+
+    // TRUE ascending, FALSE, descending, INDET, neither (off)
+    virtual void set_sort_indicator(TriState eState, int nColumn = -1) = 0;
+    virtual TriState get_sort_indicator(int nColumn = -1) const = 0;
+
+    virtual int get_sort_column() const = 0;
+    virtual void set_sort_column(int nColumn) = 0;
+
+    virtual void
+    set_sort_func(const std::function<int(const weld::TreeIter&, const weld::TreeIter&)>& func)
+    {
+        m_aCustomSort = func;
+    }
+
+    virtual void clear() = 0;
+    virtual int get_height_rows(int nRows) const = 0;
+
+    virtual void columns_autosize() = 0;
+    virtual void set_column_fixed_widths(const std::vector<int>& rWidths) = 0;
+    virtual void set_column_editables(const std::vector<bool>& rEditables) = 0;
+    virtual int get_column_width(int nCol) const = 0;
+    virtual void set_centered_column(int nCol) = 0;
+    virtual OUString get_column_title(int nColumn) const = 0;
+    virtual void set_column_title(int nColumn, const OUString& rTitle) = 0;
+
+    int get_checkbox_column_width() const { return get_approximate_digit_width() * 3 + 6; }
+
+    virtual void set_selection_mode(SelectionMode eMode) = 0;
+    virtual int count_selected_rows() const = 0;
+    // remove the selected nodes
+    virtual void remove_selection() = 0;
+
+    void set_toggle_columns_as_radio(const std::vector<int>& rCols) { m_aRadioIndexes = rCols; }
+
+    virtual void vadjustment_set_value(int value) = 0;
+    virtual int vadjustment_get_value() const = 0;
+
+    void save_value() { m_sSavedValue = get_selected_text(); }
+    OUString const& get_saved_value() const { return m_sSavedValue; }
+    bool get_value_changed_from_saved() const { return m_sSavedValue != get_selected_text(); }
+
+    // for custom rendering a cell
+    void connect_custom_get_size(const Link<get_size_args, Size>& rLink) { m_aGetSizeHdl = rLink; }
+    void connect_custom_render(const Link<render_args, void>& rLink) { m_aRenderHdl = rLink; }
+    // call set_column_custom_renderer after setting custom callbacks
+    virtual void set_column_custom_renderer(int nColumn, bool bEnable) = 0;
+
+    // for dnd
+    virtual bool get_dest_row_at_pos(const Point& rPos, weld::TreeIter* pResult,
+                                     bool bHighLightTarget = true)
+        = 0;
+    virtual void unset_drag_dest_row() = 0;
+    virtual tools::Rectangle get_row_area(const weld::TreeIter& rIter) const = 0;
+    // for dragging and dropping between TreeViews, return the active source
+    virtual TreeView* get_drag_source() const = 0;
+
+    using Widget::set_sensitive;
+};
+
+class VCL_DLLPUBLIC IconView : virtual public Container
+{
+private:
+    OUString m_sSavedValue;
+
+protected:
+    Link<IconView&, void> m_aSelectionChangeHdl;
+    Link<IconView&, bool> m_aItemActivatedHdl;
+
+    void signal_selection_changed() { m_aSelectionChangeHdl.Call(*this); }
+    bool signal_item_activated() { return m_aItemActivatedHdl.Call(*this); }
+
+public:
+    virtual void insert(int pos, const OUString* pStr, const OUString* pId,
+                        const OUString* pIconName, TreeIter* pRet)
+        = 0;
+
+    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
+    {
+        insert(-1, &rStr, &rId, &rImage, nullptr);
+    }
+
+    void connect_selection_changed(const Link<IconView&, void>& rLink)
+    {
+        m_aSelectionChangeHdl = rLink;
+    }
+
+    /* A row is "activated" when the user double clicks a treeview row. It may
+       also be emitted when a row is selected and Space or Enter is pressed.
+
+       a return of "true" means the activation has been handled, a "false" propagates
+       the activation to the default handler which expands/collapses the row, if possible.
+    */
+    void connect_item_activated(const Link<IconView&, bool>& rLink) { m_aItemActivatedHdl = rLink; }
+
+    virtual OUString get_selected_id() const = 0;
+
+    virtual void clear() = 0;
+
+    virtual int count_selected_items() const = 0;
+
+    virtual OUString get_selected_text() const = 0;
+
+    //by index. Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    virtual void select(int pos) = 0;
+    virtual void unselect(int pos) = 0;
+
+    //via iter
+    virtual std::unique_ptr<TreeIter> make_iterator(const TreeIter* pOrig = nullptr) const = 0;
+    virtual bool get_selected(TreeIter* pIter) const = 0;
+    virtual bool get_cursor(TreeIter* pIter) const = 0;
+    virtual void set_cursor(const TreeIter& rIter) = 0;
+    virtual bool get_iter_first(TreeIter& rIter) const = 0;
+    virtual OUString get_id(const TreeIter& rIter) const = 0;
+    virtual void scroll_to_item(const TreeIter& rIter) = 0;
+
+    // call func on each selected element until func returns true or we run out of elements
+    virtual void selected_foreach(const std::function<bool(TreeIter&)>& func) = 0;
+
+    //all of them. Don't select when frozen, select after thaw. Note selection doesn't survive a freeze.
+    void select_all() { unselect(-1); }
+    void unselect_all() { select(-1); }
+
+    // return the number of toplevel nodes
+    virtual int n_children() const = 0;
+
+    void save_value() { m_sSavedValue = get_selected_text(); }
+    OUString const& get_saved_value() const { return m_sSavedValue; }
+    bool get_value_changed_from_saved() const { return m_sSavedValue != get_selected_text(); }
+};
+
+class VCL_DLLPUBLIC Button : virtual public Container
+{
+protected:
+    Link<Button&, void> m_aClickHdl;
+
+    void signal_clicked() { m_aClickHdl.Call(*this); }
+
+public:
+    virtual void set_label(const OUString& rText) = 0;
+    // pDevice, the image for the button, or nullptr to unset
+    virtual void set_image(VirtualDevice* pDevice) = 0;
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rImage) = 0;
+    virtual void set_from_icon_name(const OUString& rIconName) = 0;
+    virtual OUString get_label() const = 0;
+    virtual void set_label_line_wrap(bool wrap) = 0;
+    void clicked() { signal_clicked(); }
+
+    void connect_clicked(const Link<Button&, void>& rLink) { m_aClickHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC ToggleButton : virtual public Button
+{
+protected:
+    Link<ToggleButton&, void> m_aToggleHdl;
+    TriState m_eSavedValue = TRISTATE_FALSE;
+
+    void signal_toggled() { m_aToggleHdl.Call(*this); }
+
+public:
+    virtual void set_active(bool active) = 0;
+    virtual bool get_active() const = 0;
+
+    virtual void set_inconsistent(bool inconsistent) = 0;
+    virtual bool get_inconsistent() const = 0;
+
+    TriState get_state() const
+    {
+        if (get_inconsistent())
+            return TRISTATE_INDET;
+        else if (get_active())
+            return TRISTATE_TRUE;
+        return TRISTATE_FALSE;
+    }
+
+    void set_state(TriState eState)
+    {
+        switch (eState)
+        {
+            case TRISTATE_INDET:
+                set_inconsistent(true);
+                break;
+            case TRISTATE_TRUE:
+                set_inconsistent(false);
+                set_active(true);
+                break;
+            case TRISTATE_FALSE:
+                set_inconsistent(false);
+                set_active(false);
+                break;
+        }
+    }
+
+    void save_state() { m_eSavedValue = get_state(); }
+    TriState get_saved_state() const { return m_eSavedValue; }
+    bool get_state_changed_from_saved() const { return m_eSavedValue != get_state(); }
+
+    virtual void connect_toggled(const Link<ToggleButton&, void>& rLink) { m_aToggleHdl = rLink; }
+};
+
+struct VCL_DLLPUBLIC TriStateEnabled
+{
+    TriState eState;
+    bool bTriStateEnabled;
+    TriStateEnabled()
+        : eState(TRISTATE_INDET)
+        , bTriStateEnabled(true)
+    {
+    }
+    void ButtonToggled(ToggleButton& rToggle);
+};
+
+class VCL_DLLPUBLIC MenuButton : virtual public ToggleButton
+{
+protected:
+    Link<const OString&, void> m_aSelectHdl;
+
+    void signal_selected(const OString& rIdent) { m_aSelectHdl.Call(rIdent); }
+
+public:
+    void connect_selected(const Link<const OString&, void>& rLink) { m_aSelectHdl = rLink; }
+
+    virtual void insert_item(int pos, const OUString& rId, const OUString& rStr,
+                             const OUString* pIconName, VirtualDevice* pImageSurface,
+                             TriState eCheckRadioFalse)
+        = 0;
+    void append_item(const OUString& rId, const OUString& rStr)
+    {
+        insert_item(-1, rId, rStr, nullptr, nullptr, TRISTATE_INDET);
+    }
+    void append_item_check(const OUString& rId, const OUString& rStr)
+    {
+        insert_item(-1, rId, rStr, nullptr, nullptr, TRISTATE_TRUE);
+    }
+    void append_item_radio(const OUString& rId, const OUString& rStr)
+    {
+        insert_item(-1, rId, rStr, nullptr, nullptr, TRISTATE_FALSE);
+    }
+    void append_item(const OUString& rId, const OUString& rStr, const OUString& rImage)
+    {
+        insert_item(-1, rId, rStr, &rImage, nullptr, TRISTATE_INDET);
+    }
+    void append_item(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
+    {
+        insert_item(-1, rId, rStr, nullptr, &rImage, TRISTATE_INDET);
+    }
+    virtual void insert_separator(int pos, const OUString& rId) = 0;
+    void append_separator(const OUString& rId) { insert_separator(-1, rId); }
+    virtual void remove_item(const OString& rId) = 0;
+    virtual void clear() = 0;
+    virtual void set_item_sensitive(const OString& rIdent, bool bSensitive) = 0;
+    virtual void set_item_active(const OString& rIdent, bool bActive) = 0;
+    virtual void set_item_label(const OString& rIdent, const OUString& rLabel) = 0;
+    virtual OUString get_item_label(const OString& rIdent) const = 0;
+    virtual void set_item_help_id(const OString& rIdent, const OString& rHelpId) = 0;
+    virtual void set_item_visible(const OString& rIdent, bool bVisible) = 0;
+    virtual OString get_item_help_id(const OString& rIdent) const = 0;
+
+    virtual void set_popover(weld::Widget* pPopover) = 0;
+};
+
+class VCL_DLLPUBLIC CheckButton : virtual public ToggleButton
+{
+};
+
+class VCL_DLLPUBLIC RadioButton : virtual public ToggleButton
+{
+};
+
+class VCL_DLLPUBLIC LinkButton : virtual public Container
+{
+protected:
+    Link<LinkButton&, bool> m_aActivateLinkHdl;
+
+    bool signal_activate_link() { return m_aActivateLinkHdl.Call(*this); }
+
+public:
+    virtual void set_label(const OUString& rText) = 0;
+    virtual OUString get_label() const = 0;
+    virtual void set_uri(const OUString& rUri) = 0;
+    virtual OUString get_uri() const = 0;
+
+    void connect_activate_link(const Link<LinkButton&, bool>& rLink) { m_aActivateLinkHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC Scale : virtual public Widget
+{
+protected:
+    Link<Scale&, void> m_aValueChangedHdl;
+
+    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }
+
+public:
+    virtual void set_value(int value) = 0;
+    virtual int get_value() const = 0;
+    virtual void set_range(int min, int max) = 0;
+
+    virtual void set_increments(int step, int page) = 0;
+    virtual void get_increments(int& step, int& page) const = 0;
+
+    void connect_value_changed(const Link<Scale&, void>& rLink) { m_aValueChangedHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC Spinner : virtual public Widget
+{
+public:
+    virtual void start() = 0;
+    virtual void stop() = 0;
+};
+
+class VCL_DLLPUBLIC ProgressBar : virtual public Widget
+{
+public:
+    //0-100
+    virtual void set_percentage(int value) = 0;
+    virtual OUString get_text() const = 0;
+    virtual void set_text(const OUString& rText) = 0;
+};
+
+class VCL_DLLPUBLIC Entry : virtual public Widget
+{
+private:
+    OUString m_sSavedValue;
+
+protected:
+    Link<Entry&, void> m_aChangeHdl;
+    Link<OUString&, bool> m_aInsertTextHdl;
+    Link<Entry&, void> m_aCursorPositionHdl;
+    Link<Entry&, bool> m_aActivateHdl;
+
+    void signal_changed() { m_aChangeHdl.Call(*this); }
+    void signal_cursor_position() { m_aCursorPositionHdl.Call(*this); }
+    void signal_insert_text(OUString& rString);
+
+public:
+    virtual void set_text(const OUString& rText) = 0;
+    virtual OUString get_text() const = 0;
+    virtual void set_width_chars(int nChars) = 0;
+    virtual int get_width_chars() const = 0;
+    // The maximum length of the entry. Use 0 for no maximum
+    virtual void set_max_length(int nChars) = 0;
+    // nEndPos can be -1 in order to select all text
+    virtual void select_region(int nStartPos, int nEndPos) = 0;
+    // returns true if the selection has nonzero length
+    virtual bool get_selection_bounds(int& rStartPos, int& rEndPos) = 0;
+    virtual void replace_selection(const OUString& rText) = 0;
+    // nCursorPos can be -1 to set to the end
+    virtual void set_position(int nCursorPos) = 0;
+    virtual int get_position() const = 0;
+    virtual void set_editable(bool bEditable) = 0;
+    virtual bool get_editable() const = 0;
+    virtual void set_message_type(EntryMessageType eType) = 0;
+    virtual void set_placeholder_text(const OUString& rText) = 0;
+
+    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
+    virtual void set_font(const vcl::Font& rFont) = 0;
+
+    void connect_changed(const Link<Entry&, void>& rLink) { m_aChangeHdl = rLink; }
+    void connect_insert_text(const Link<OUString&, bool>& rLink) { m_aInsertTextHdl = rLink; }
+    // callback returns true to indicated no further processing of activate wanted
+    void connect_activate(const Link<Entry&, bool>& rLink) { m_aActivateHdl = rLink; }
+    virtual void connect_cursor_position(const Link<Entry&, void>& rLink)
+    {
+        m_aCursorPositionHdl = rLink;
+    }
+
+    virtual void cut_clipboard() = 0;
+    virtual void copy_clipboard() = 0;
+    virtual void paste_clipboard() = 0;
+
+    void save_value() { m_sSavedValue = get_text(); }
+    OUString const& get_saved_value() const { return m_sSavedValue; }
+    bool get_value_changed_from_saved() const { return m_sSavedValue != get_text(); }
+};
+
+class VCL_DLLPUBLIC SpinButton : virtual public Entry
+{
+protected:
+    Link<SpinButton&, void> m_aValueChangedHdl;
+    Link<SpinButton&, void> m_aOutputHdl;
+    Link<int*, bool> m_aInputHdl;
+
+    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }
+
+    bool signal_output()
+    {
+        if (!m_aOutputHdl.IsSet())
+            return false;
+        m_aOutputHdl.Call(*this);
+        return true;
+    }
+
+    TriState signal_input(int* result)
+    {
+        if (!m_aInputHdl.IsSet())
+            return TRISTATE_INDET;
+        return m_aInputHdl.Call(result) ? TRISTATE_TRUE : TRISTATE_FALSE;
+    }
+
+public:
+    virtual void set_value(int value) = 0;
+    virtual int get_value() const = 0;
+    virtual void set_range(int min, int max) = 0;
+    virtual void get_range(int& min, int& max) const = 0;
+    void set_min(int min)
+    {
+        int dummy, max;
+        get_range(dummy, max);
+        set_range(min, max);
+    }
+    void set_max(int max)
+    {
+        int min, dummy;
+        get_range(min, dummy);
+        set_range(min, max);
+    }
+    int get_min() const
+    {
+        int min, dummy;
+        get_range(min, dummy);
+        return min;
+    }
+    int get_max() const
+    {
+        int dummy, max;
+        get_range(dummy, max);
+        return max;
+    }
+    virtual void set_increments(int step, int page) = 0;
+    virtual void get_increments(int& step, int& page) const = 0;
+    virtual void set_digits(unsigned int digits) = 0;
+    virtual unsigned int get_digits() const = 0;
+
+    void connect_value_changed(const Link<SpinButton&, void>& rLink) { m_aValueChangedHdl = rLink; }
+
+    void connect_output(const Link<SpinButton&, void>& rLink) { m_aOutputHdl = rLink; }
+    void connect_input(const Link<int*, bool>& rLink) { m_aInputHdl = rLink; }
+
+    int normalize(int nValue) const { return (nValue * Power10(get_digits())); }
+
+    int denormalize(int nValue) const;
+
+    static unsigned int Power10(unsigned int n);
+};
+
+class VCL_DLLPUBLIC FormattedSpinButton : virtual public Entry
+{
+protected:
+    Link<FormattedSpinButton&, void> m_aValueChangedHdl;
+
+    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }
+
+public:
+    virtual void set_value(double value) = 0;
+    virtual double get_value() const = 0;
+    virtual void set_range(double min, double max) = 0;
+    virtual void get_range(double& min, double& max) const = 0;
+
+    void set_max(double max)
+    {
+        double min, dummy;
+        get_range(min, dummy);
+        set_range(min, max);
+    }
+
+    virtual void set_formatter(SvNumberFormatter* pFormatter) = 0;
+    virtual SvNumberFormatter* get_formatter() = 0;
+    virtual sal_Int32 get_format_key() const = 0;
+    virtual void set_format_key(sal_Int32 nFormatKey) = 0;
+
+    virtual void set_digits(unsigned int digits) = 0;
+
+    virtual void treat_as_number(bool bSet) = 0;
+
+    void connect_value_changed(const Link<FormattedSpinButton&, void>& rLink)
+    {
+        m_aValueChangedHdl = rLink;
+    }
+};
+
+class VCL_DLLPUBLIC Image : virtual public Widget
+{
+public:
+    virtual void set_from_icon_name(const OUString& rIconName) = 0;
+    virtual void set_image(VirtualDevice* pDevice) = 0;
+    virtual void set_image(const css::uno::Reference<css::graphic::XGraphic>& rImage) = 0;
+};
+
+class VCL_DLLPUBLIC Calendar : virtual public Widget
+{
+protected:
+    Link<Calendar&, void> m_aSelectedHdl;
+    Link<Calendar&, void> m_aActivatedHdl;
+
+    void signal_selected() { m_aSelectedHdl.Call(*this); }
+    void signal_activated() { m_aActivatedHdl.Call(*this); }
+
+public:
+    void connect_selected(const Link<Calendar&, void>& rLink) { m_aSelectedHdl = rLink; }
+    void connect_activated(const Link<Calendar&, void>& rLink) { m_aActivatedHdl = rLink; }
+
+    virtual void set_date(const Date& rDate) = 0;
+    virtual Date get_date() const = 0;
+};
+
+// an entry + treeview pair, where the entry autocompletes from the
+// treeview list, and selecting something in the list sets the
+// entry to that text, i.e. a visually exploded ComboBox
+class VCL_DLLPUBLIC EntryTreeView : virtual public ComboBox
+{
+private:
+    DECL_DLLPRIVATE_LINK(ClickHdl, weld::TreeView&, void);
+    DECL_DLLPRIVATE_LINK(ModifyHdl, weld::Entry&, void);
+    void EntryModifyHdl(const weld::Entry& rEntry);
+
+protected:
+    std::unique_ptr<Entry> m_xEntry;
+    std::unique_ptr<TreeView> m_xTreeView;
+
+public:
+    EntryTreeView(std::unique_ptr<Entry> xEntry, std::unique_ptr<TreeView> xTreeView);
+
+    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems,
+                               bool bKeepExisting) override
+    {
+        m_xTreeView->freeze();
+        if (!bKeepExisting)
+            m_xTreeView->clear();
+        for (const auto& rItem : rItems)
+        {
+            m_xTreeView->insert(-1, rItem.sString, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
+                                rItem.sImage.isEmpty() ? nullptr : &rItem.sImage, nullptr);
+        }
+        m_xTreeView->thaw();
+    }
+
+    virtual void insert(int pos, const OUString& rStr, const OUString* pId,
+                        const OUString* pIconName, VirtualDevice* pImageSurface) override
+    {
+        m_xTreeView->insert(pos, rStr, pId, pIconName, pImageSurface);
+    }
+
+    virtual int get_count() const override { return m_xTreeView->n_children(); }
+    virtual void clear() override { m_xTreeView->clear(); }
+
+    //by index
+    virtual int get_active() const override { return m_xTreeView->get_selected_index(); }
+    virtual void set_active(int pos) override
+    {
+        m_xTreeView->set_cursor(pos);
+        m_xTreeView->select(pos);
+        m_xEntry->set_text(m_xTreeView->get_selected_text());
+    }
+    virtual void remove(int pos) override { m_xTreeView->remove(pos); }
+
+    //by text
+    virtual OUString get_active_text() const override { return m_xEntry->get_text(); }
+    virtual OUString get_text(int pos) const override { return m_xTreeView->get_text(pos); }
+    virtual int find_text(const OUString& rStr) const override
+    {
+        return m_xTreeView->find_text(rStr);
+    }
+
+    //by id
+    virtual OUString get_active_id() const override { return m_xTreeView->get_selected_id(); }
+    virtual void set_active_id(const OUString& rStr) override
+    {
+        m_xTreeView->select_id(rStr);
+        m_xEntry->set_text(m_xTreeView->get_selected_text());
+    }
+    virtual OUString get_id(int pos) const override { return m_xTreeView->get_id(pos); }
+    virtual void set_id(int pos, const OUString& rId) override { m_xTreeView->set_id(pos, rId); }
+    virtual int find_id(const OUString& rId) const override { return m_xTreeView->find_id(rId); }
+
+    //entry related
+    virtual bool has_entry() const override { return true; }
+    virtual void set_entry_message_type(EntryMessageType eType) override
+    {
+        m_xEntry->set_message_type(eType);
+    }
+    virtual void set_entry_text(const OUString& rStr) override { m_xEntry->set_text(rStr); }
+    virtual void set_entry_width_chars(int nChars) override { m_xEntry->set_width_chars(nChars); }
+    virtual void set_entry_max_length(int nChars) override { m_xEntry->set_max_length(nChars); }
+    virtual void select_entry_region(int nStartPos, int nEndPos) override
+    {
+        m_xEntry->select_region(nStartPos, nEndPos);
+    }
+    //if not text was selected, both rStartPos and rEndPos will be identical
+    //and false will be returned
+    virtual bool get_entry_selection_bounds(int& rStartPos, int& rEndPos) override
+    {
+        return m_xEntry->get_selection_bounds(rStartPos, rEndPos);
+    }
+    void connect_row_activated(const Link<TreeView&, bool>& rLink)
+    {
+        m_xTreeView->connect_row_activated(rLink);
+    }
+
+    virtual bool get_popup_shown() const override { return false; }
+
+    void set_height_request_by_rows(int nRows);
+};
+
+class VCL_DLLPUBLIC MetricSpinButton final
+{
+    FieldUnit m_eSrcUnit;
+    std::unique_ptr<weld::SpinButton> m_xSpinButton;
+    Link<MetricSpinButton&, void> m_aValueChangedHdl;
+
+    DECL_LINK(spin_button_value_changed, weld::SpinButton&, void);
+    DECL_LINK(spin_button_output, weld::SpinButton&, void);
+    DECL_LINK(spin_button_input, int* result, bool);
+
+    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }
+
+    int ConvertValue(int nValue, FieldUnit eInUnit, FieldUnit eOutUnit) const;
+    OUString format_number(int nValue) const;
+    void update_width_chars();
+
+public:
+    MetricSpinButton(std::unique_ptr<SpinButton> pSpinButton, FieldUnit eSrcUnit)
+        : m_eSrcUnit(eSrcUnit)
+        , m_xSpinButton(std::move(pSpinButton))
+    {
+        update_width_chars();
+        m_xSpinButton->connect_output(LINK(this, MetricSpinButton, spin_button_output));
+        m_xSpinButton->connect_input(LINK(this, MetricSpinButton, spin_button_input));
+        m_xSpinButton->connect_value_changed(
+            LINK(this, MetricSpinButton, spin_button_value_changed));
+        spin_button_output(*m_xSpinButton);
+    }
+
+    static OUString MetricToString(FieldUnit rUnit);
+
+    FieldUnit get_unit() const { return m_eSrcUnit; }
+
+    void set_unit(FieldUnit eUnit);
+
+    int convert_value_to(int nValue, FieldUnit eValueUnit) const
+    {
+        return ConvertValue(nValue, m_eSrcUnit, eValueUnit);
+    }
+
+    int convert_value_from(int nValue, FieldUnit eValueUnit) const
+    {
+        return ConvertValue(nValue, eValueUnit, m_eSrcUnit);
+    }
+
+    void set_value(int nValue, FieldUnit eValueUnit)
+    {
+        m_xSpinButton->set_value(convert_value_from(nValue, eValueUnit));
+    }
+
+    int get_value(FieldUnit eDestUnit) const
+    {
+        return convert_value_to(m_xSpinButton->get_value(), eDestUnit);
+    }
+
+    // typically you only need to call this if set_text (e.g. with "") was
+    // previously called to display some arbitrary text instead of the
+    // formatted value and now you want to show it as formatted again
+    void reformat() { spin_button_output(*m_xSpinButton); }
+
+    void set_range(int min, int max, FieldUnit eValueUnit)
+    {
+        min = convert_value_from(min, eValueUnit);
+        max = convert_value_from(max, eValueUnit);
+        m_xSpinButton->set_range(min, max);
+        update_width_chars();
+    }
+
+    void get_range(int& min, int& max, FieldUnit eDestUnit) const
+    {
+        m_xSpinButton->get_range(min, max);
+        min = convert_value_to(min, eDestUnit);
+        max = convert_value_to(max, eDestUnit);
+    }
+
+    void set_min(int min, FieldUnit eValueUnit)
+    {
+        int dummy, max;
+        get_range(dummy, max, eValueUnit);
+        set_range(min, max, eValueUnit);
+    }
+
+    void set_max(int max, FieldUnit eValueUnit)
+    {
+        int min, dummy;
+        get_range(min, dummy, eValueUnit);
+        set_range(min, max, eValueUnit);
+    }
+
+    int get_min(FieldUnit eValueUnit) const
+    {
+        int min, dummy;
+        get_range(min, dummy, eValueUnit);
+        return min;
+    }
+
+    int get_max(FieldUnit eValueUnit) const
+    {
+        int dummy, max;
+        get_range(dummy, max, eValueUnit);
+        return max;
+    }
+
+    void set_increments(int step, int page, FieldUnit eValueUnit)
+    {
+        step = convert_value_from(step, eValueUnit);
+        page = convert_value_from(page, eValueUnit);
+        m_xSpinButton->set_increments(step, page);
+    }
+
+    void get_increments(int& step, int& page, FieldUnit eDestUnit) const
+    {
+        m_xSpinButton->get_increments(step, page);
+        step = convert_value_to(step, eDestUnit);
+        page = convert_value_to(page, eDestUnit);
+    }
+
+    void connect_value_changed(const Link<MetricSpinButton&, void>& rLink)
+    {
+        m_aValueChangedHdl = rLink;
+    }
+
+    int normalize(int nValue) const { return m_xSpinButton->normalize(nValue); }
+    int denormalize(int nValue) const { return m_xSpinButton->denormalize(nValue); }
+    void set_sensitive(bool sensitive) { m_xSpinButton->set_sensitive(sensitive); }
+    bool get_sensitive() const { return m_xSpinButton->get_sensitive(); }
+    bool get_visible() const { return m_xSpinButton->get_visible(); }
+    void grab_focus() { m_xSpinButton->grab_focus(); }
+    bool has_focus() const { return m_xSpinButton->has_focus(); }
+    void show() { m_xSpinButton->show(); }
+    void set_visible(bool bShow) { m_xSpinButton->set_visible(bShow); }
+    void hide() { m_xSpinButton->hide(); }
+    void set_digits(unsigned int digits);
+    void set_accessible_name(const OUString& rName) { m_xSpinButton->set_accessible_name(rName); }
+    unsigned int get_digits() const { return m_xSpinButton->get_digits(); }
+    void save_value() { m_xSpinButton->save_value(); }
+    bool get_value_changed_from_saved() const
+    {
+        return m_xSpinButton->get_value_changed_from_saved();
+    }
+    void set_text(const OUString& rText) { m_xSpinButton->set_text(rText); }
+    OUString get_text() const { return m_xSpinButton->get_text(); }
+    void set_size_request(int nWidth, int nHeight)
+    {
+        m_xSpinButton->set_size_request(nWidth, nHeight);
+    }
+    Size get_size_request() const { return m_xSpinButton->get_size_request(); }
+    Size get_preferred_size() const { return m_xSpinButton->get_preferred_size(); }
+    void connect_focus_in(const Link<Widget&, void>& rLink)
+    {
+        m_xSpinButton->connect_focus_in(rLink);
+    }
+    void connect_focus_out(const Link<Widget&, void>& rLink)
+    {
+        m_xSpinButton->connect_focus_out(rLink);
+    }
+    OString get_buildable_name() { return m_xSpinButton->get_buildable_name(); }
+    void set_help_id(const OString& rName) { m_xSpinButton->set_help_id(rName); }
+    void set_position(int nCursorPos) { m_xSpinButton->set_position(nCursorPos); }
+    // set the width of the underlying widget in characters, this setting is
+    // invalidated when changing the units, range or digits, so to have effect
+    // must come after changing those values
+    void set_width_chars(int nChars) { m_xSpinButton->set_width_chars(nChars); }
+    weld::SpinButton& get_widget() { return *m_xSpinButton; }
+};
+
+class VCL_DLLPUBLIC TimeSpinButton final
+{
+    TimeFieldFormat m_eFormat;
+    std::unique_ptr<weld::SpinButton> m_xSpinButton;
+    Link<TimeSpinButton&, void> m_aValueChangedHdl;
+
+    DECL_LINK(spin_button_value_changed, weld::SpinButton&, void);
+    DECL_LINK(spin_button_output, weld::SpinButton&, void);
+    DECL_LINK(spin_button_input, int* result, bool);
+    DECL_LINK(spin_button_cursor_position, weld::Entry&, void);
+
+    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }
+
+    static tools::Time ConvertValue(int nValue);
+    static int ConvertValue(const tools::Time& rTime);
+    OUString format_number(int nValue) const;
+    void update_width_chars();
+
+public:
+    TimeSpinButton(std::unique_ptr<SpinButton> pSpinButton, TimeFieldFormat eFormat)
+        : m_eFormat(eFormat)
+        , m_xSpinButton(std::move(pSpinButton))
+    {
+        update_width_chars();
+        m_xSpinButton->connect_output(LINK(this, TimeSpinButton, spin_button_output));
+        m_xSpinButton->connect_input(LINK(this, TimeSpinButton, spin_button_input));
+        m_xSpinButton->connect_value_changed(LINK(this, TimeSpinButton, spin_button_value_changed));
+        m_xSpinButton->connect_cursor_position(
+            LINK(this, TimeSpinButton, spin_button_cursor_position));
+        spin_button_output(*m_xSpinButton);
+    }
+
+    void set_value(const tools::Time& rTime) { m_xSpinButton->set_value(ConvertValue(rTime)); }
+
+    tools::Time get_value() const { return ConvertValue(m_xSpinButton->get_value()); }
+
+    void connect_value_changed(const Link<TimeSpinButton&, void>& rLink)
+    {
+        m_aValueChangedHdl = rLink;
+    }
+
+    void set_sensitive(bool sensitive) { m_xSpinButton->set_sensitive(sensitive); }
+    bool get_sensitive() const { return m_xSpinButton->get_sensitive(); }
+    void set_visible(bool bShow) { m_xSpinButton->set_visible(bShow); }
+    bool get_visible() const { return m_xSpinButton->get_visible(); }
+    void grab_focus() { m_xSpinButton->grab_focus(); }
+    bool has_focus() const { return m_xSpinButton->has_focus(); }
+    void show() { m_xSpinButton->show(); }
+    void hide() { m_xSpinButton->hide(); }
+    void save_value() { m_xSpinButton->save_value(); }
+    bool get_value_changed_from_saved() const
+    {
+        return m_xSpinButton->get_value_changed_from_saved();
+    }
+    void set_position(int nCursorPos) { m_xSpinButton->set_position(nCursorPos); }
+    void set_text(const OUString& rText) { m_xSpinButton->set_text(rText); }
+    OUString get_text() const { return m_xSpinButton->get_text(); }
+    void connect_focus_in(const Link<Widget&, void>& rLink)
+    {
+        m_xSpinButton->connect_focus_in(rLink);
+    }
+    void connect_focus_out(const Link<Widget&, void>& rLink)
+    {
+        m_xSpinButton->connect_focus_out(rLink);
+    }
+    weld::SpinButton& get_widget() { return *m_xSpinButton; }
+};
+
+class VCL_DLLPUBLIC Label : virtual public Widget
+{
+public:
+    virtual void set_label(const OUString& rText) = 0;
+    virtual OUString get_label() const = 0;
+    virtual void set_mnemonic_widget(Widget* pTarget) = 0;
+    virtual void set_message_type(EntryMessageType eType) = 0;
+    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
+    virtual void set_font(const vcl::Font& rFont) = 0;
+};
+
+class VCL_DLLPUBLIC TextView : virtual public Container
+{
+private:
+    OUString m_sSavedValue;
+
+protected:
+    Link<TextView&, void> m_aChangeHdl;
+    Link<TextView&, void> m_aVChangeHdl;
+    Link<TextView&, void> m_aCursorPositionHdl;
+
+    void signal_changed() { m_aChangeHdl.Call(*this); }
+    void signal_cursor_position() { m_aCursorPositionHdl.Call(*this); }
+    void signal_vadjustment_changed() { m_aVChangeHdl.Call(*this); }
+
+public:
+    virtual void set_text(const OUString& rText) = 0;
+    virtual OUString get_text() const = 0;
+    virtual void select_region(int nStartPos, int nEndPos) = 0;
+    virtual bool get_selection_bounds(int& rStartPos, int& rEndPos) = 0;
+    virtual void replace_selection(const OUString& rText) = 0;
+    virtual void set_editable(bool bEditable) = 0;
+    virtual void set_monospace(bool bMonospace) = 0;
+    int get_height_rows(int nRows) const
+    {
+        //can improve this if needed
+        return get_text_height() * nRows;
+    }
+
+    void save_value() { m_sSavedValue = get_text(); }
+    bool get_value_changed_from_saved() const { return m_sSavedValue != get_text(); }
+
+    void connect_changed(const Link<TextView&, void>& rLink) { m_aChangeHdl = rLink; }
+    virtual void connect_cursor_position(const Link<TextView&, void>& rLink)
+    {
+        m_aCursorPositionHdl = rLink;
+    }
+
+    virtual int vadjustment_get_value() const = 0;
+    virtual int vadjustment_get_upper() const = 0;
+    virtual int vadjustment_get_lower() const = 0;
+    virtual int vadjustment_get_page_size() const = 0;
+    virtual void vadjustment_set_value(int value) = 0;
+    void connect_vadjustment_changed(const Link<TextView&, void>& rLink) { m_aVChangeHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC Expander : virtual public Container
+{
+protected:
+    Link<Expander&, void> m_aExpandedHdl;
+
+    void signal_expanded() { m_aExpandedHdl.Call(*this); }
+
+public:
+    virtual bool get_expanded() const = 0;
+    virtual void set_expanded(bool bExpand) = 0;
+
+    void connect_expanded(const Link<Expander&, void>& rLink) { m_aExpandedHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC DrawingArea : virtual public Widget
+{
+public:
+    typedef std::pair<vcl::RenderContext&, const tools::Rectangle&> draw_args;
+
+protected:
+    Link<draw_args, void> m_aDrawHdl;
+    Link<Widget&, void> m_aStyleUpdatedHdl;
+    Link<const CommandEvent&, bool> m_aCommandHdl;
+    Link<Widget&, tools::Rectangle> m_aGetFocusRectHdl;
+    Link<tools::Rectangle&, OUString> m_aQueryTooltipHdl;
+    // if handler returns true, drag is disallowed
+    Link<DrawingArea&, bool> m_aDragBeginHdl;
+    // return position of cursor, fill OUString& with surrounding text
+    Link<OUString&, int> m_aGetSurroundingHdl;
+    // attempt to delete the range, return true if successful
+    Link<const Selection&, bool> m_aDeleteSurroundingHdl;
+
+    OUString signal_query_tooltip(tools::Rectangle& rHelpArea)
+    {
+        return m_aQueryTooltipHdl.Call(rHelpArea);
+    }
+
+    int signal_im_context_get_surrounding(OUString& rSurroundingText)
+    {
+        if (!m_aGetSurroundingHdl.IsSet())
+            return -1;
+        return m_aGetSurroundingHdl.Call(rSurroundingText);
+    }
+
+    bool signal_im_context_delete_surrounding(const Selection& rRange)
+    {
+        return m_aDeleteSurroundingHdl.Call(rRange);
+    }
+
+public:
+    void connect_draw(const Link<draw_args, void>& rLink) { m_aDrawHdl = rLink; }
+    void connect_style_updated(const Link<Widget&, void>& rLink) { m_aStyleUpdatedHdl = rLink; }
+    void connect_command(const Link<const CommandEvent&, bool>& rLink) { m_aCommandHdl = rLink; }
+    void connect_focus_rect(const Link<Widget&, tools::Rectangle>& rLink)
+    {
+        m_aGetFocusRectHdl = rLink;
+    }
+    void connect_query_tooltip(const Link<tools::Rectangle&, OUString>& rLink)
+    {
+        m_aQueryTooltipHdl = rLink;
+    }
+    void connect_drag_begin(const Link<DrawingArea&, bool>& rLink) { m_aDragBeginHdl = rLink; }
+    void connect_im_context_get_surrounding(const Link<OUString&, int>& rLink)
+    {
+        m_aGetSurroundingHdl = rLink;
+    }
+    void connect_im_context_delete_surrounding(const Link<const Selection&, bool>& rLink)
+    {
+        m_aDeleteSurroundingHdl = rLink;
+    }
+    virtual void queue_draw() = 0;
+    virtual void queue_draw_area(int x, int y, int width, int height) = 0;
+    virtual void queue_resize() = 0;
+
+    virtual void enable_drag_source(rtl::Reference<TransferDataContainer>& rTransferrable,
+                                    sal_uInt8 eDNDConstants)
+        = 0;
+
+    virtual void set_cursor(PointerStyle ePointerStyle) = 0;
+
+    virtual void set_input_context(const InputContext& rInputContext) = 0;
+    virtual void im_context_set_cursor_location(const tools::Rectangle& rCursorRect,
+                                                int nExtTextInputWidth)
+        = 0;
+
+    // use return here just to generate matching VirtualDevices
+    virtual OutputDevice& get_ref_device() = 0;
+
+    virtual a11yref get_accessible_parent() = 0;
+    virtual a11yrelationset get_accessible_relation_set() = 0;
+    virtual Point get_accessible_location() = 0;
+};
+
+class VCL_DLLPUBLIC Menu
+{
+protected:
+    Link<const OString&, void> m_aActivateHdl;
+
+    void signal_activate(const OString& rIdent) { m_aActivateHdl.Call(rIdent); }
+
+public:
+    virtual OString popup_at_rect(weld::Widget* pParent, const tools::Rectangle& rRect) = 0;
+
+    void connect_activate(const Link<const OString&, void>& rLink) { m_aActivateHdl = rLink; }
+
+    virtual void set_sensitive(const OString& rIdent, bool bSensitive) = 0;
+    virtual void set_label(const OString& rIdent, const OUString& rLabel) = 0;
+    virtual OUString get_label(const OString& rIdent) const = 0;
+    virtual void set_active(const OString& rIdent, bool bActive) = 0;
+    virtual bool get_active(const OString& rIdent) const = 0;
+    virtual void set_visible(const OString& rIdent, bool bVisible) = 0;
+
+    virtual void insert(int pos, const OUString& rId, const OUString& rStr,
+                        const OUString* pIconName, VirtualDevice* pImageSurface,
+                        TriState eCheckRadioFalse)
+        = 0;
+
+    virtual void remove(const OString& rId) = 0;
+
+    virtual void clear() = 0;
+
+    virtual void insert_separator(int pos, const OUString& rId) = 0;
+    void append_separator(const OUString& rId) { insert_separator(-1, rId); }
+
+    void append(const OUString& rId, const OUString& rStr)
+    {
+        insert(-1, rId, rStr, nullptr, nullptr, TRISTATE_INDET);
+    }
+    void append_check(const OUString& rId, const OUString& rStr)
+    {
+        insert(-1, rId, rStr, nullptr, nullptr, TRISTATE_TRUE);
+    }
+    void append_radio(const OUString& rId, const OUString& rStr)
+    {
+        insert(-1, rId, rStr, nullptr, nullptr, TRISTATE_FALSE);
+    }
+    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
+    {
+        insert(-1, rId, rStr, &rImage, nullptr, TRISTATE_INDET);
+    }
+    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
+    {
+        insert(-1, rId, rStr, nullptr, &rImage, TRISTATE_INDET);
+    }
+
+    // return the number of toplevel nodes
+    virtual int n_children() const = 0;
+
+    virtual ~Menu() {}
+};
+
+class VCL_DLLPUBLIC Toolbar : virtual public Widget
+{
+protected:
+    Link<const OString&, void> m_aClickHdl;
+    Link<const OString&, void> m_aToggleMenuHdl;
+
+    void signal_clicked(const OString& rIdent) { m_aClickHdl.Call(rIdent); }
+    void signal_toggle_menu(const OString& rIdent) { m_aToggleMenuHdl.Call(rIdent); }
+
+public:
+    virtual void set_item_sensitive(const OString& rIdent, bool bSensitive) = 0;
+    virtual bool get_item_sensitive(const OString& rIdent) const = 0;
+    virtual void set_item_active(const OString& rIdent, bool bActive) = 0;
+    virtual bool get_item_active(const OString& rIdent) const = 0;
+    virtual void set_menu_item_active(const OString& rIdent, bool bActive) = 0;
+    virtual bool get_menu_item_active(const OString& rIdent) const = 0;
+    virtual void set_item_menu(const OString& rIdent, weld::Menu* pMenu) = 0;
+    virtual void set_item_popover(const OString& rIdent, weld::Widget* pPopover) = 0;
+    virtual void set_item_visible(const OString& rIdent, bool bVisible) = 0;
+    virtual void set_item_help_id(const OString& rIdent, const OString& rHelpId) = 0;
+    virtual bool get_item_visible(const OString& rIdent) const = 0;
+    virtual void set_item_label(const OString& rIdent, const OUString& rLabel) = 0;
+    virtual OUString get_item_label(const OString& rIdent) const = 0;
+    virtual void set_item_tooltip_text(const OString& rIdent, const OUString& rTip) = 0;
+    virtual OUString get_item_tooltip_text(const OString& rIdent) const = 0;
+    virtual void set_item_icon_name(const OString& rIdent, const OUString& rIconName) = 0;
+    virtual void set_item_image(const OString& rIdent,
+                                const css::uno::Reference<css::graphic::XGraphic>& rIcon)
+        = 0;
+    virtual void set_item_image(const OString& rIdent, VirtualDevice* pDevice) = 0;
+
+    virtual void insert_separator(int pos, const OUString& rId) = 0;
+    void append_separator(const OUString& rId) { insert_separator(-1, rId); }
+
+    virtual int get_n_items() const = 0;
+    virtual OString get_item_ident(int nIndex) const = 0;
+    virtual void set_item_ident(int nIndex, const OString& rIdent) = 0;
+    virtual void set_item_label(int nIndex, const OUString& rLabel) = 0;
+    virtual void set_item_image(int nIndex,
+                                const css::uno::Reference<css::graphic::XGraphic>& rIcon)
+        = 0;
+    virtual void set_item_tooltip_text(int nIndex, const OUString& rTip) = 0;
+
+    virtual vcl::ImageType get_icon_size() const = 0;
+    virtual void set_icon_size(vcl::ImageType eType) = 0;
+
+    // return what modifiers are held
+    virtual sal_uInt16 get_modifier_state() const = 0;
+
+    // This function returns the position a new item should be inserted if dnd
+    // is dropped at rPoint
+    virtual int get_drop_index(const Point& rPoint) const = 0;
+
+    void connect_clicked(const Link<const OString&, void>& rLink) { m_aClickHdl = rLink; }
+    void connect_menu_toggled(const Link<const OString&, void>& rLink) { m_aToggleMenuHdl = rLink; }
+};
+
+class VCL_DLLPUBLIC SizeGroup
+{
+public:
+    virtual void add_widget(weld::Widget* pWidget) = 0;
+    // the default mode is VclSizeGroupMode::Horizontal
+    virtual void set_mode(VclSizeGroupMode eMode) = 0;
+    virtual ~SizeGroup() {}
+};
+
+class VCL_DLLPUBLIC Builder
+{
+public:
+    virtual std::unique_ptr<MessageDialog> weld_message_dialog(const OString& id,
+                                                               bool bTakeOwnership = true)
+        = 0;
+    virtual std::unique_ptr<Dialog> weld_dialog(const OString& id, bool bTakeOwnership = true) = 0;
+    virtual std::unique_ptr<Assistant> weld_assistant(const OString& id, bool bTakeOwnership = true)
+        = 0;
+    virtual std::unique_ptr<Window> weld_window(const OString& id, bool bTakeOwnership = true) = 0;
+    virtual std::unique_ptr<Widget> weld_widget(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<Container> weld_container(const OString& id,
+                                                      bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Box> weld_box(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<Paned> weld_paned(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<Button> weld_button(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<MenuButton> weld_menu_button(const OString& id,
+                                                         bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Frame> weld_frame(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<ScrolledWindow> weld_scrolled_window(const OString& id,
+                                                                 bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Notebook> weld_notebook(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<ToggleButton> weld_toggle_button(const OString& id,
+                                                             bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<RadioButton> weld_radio_button(const OString& id,
+                                                           bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<CheckButton> weld_check_button(const OString& id,
+                                                           bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<LinkButton> weld_link_button(const OString& id,
+                                                         bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<SpinButton> weld_spin_button(const OString& id,
+                                                         bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<MetricSpinButton>
+    weld_metric_spin_button(const OString& id, FieldUnit eUnit, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<FormattedSpinButton>
+    weld_formatted_spin_button(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<TimeSpinButton>
+    weld_time_spin_button(const OString& id, TimeFieldFormat eFormat, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<ComboBox> weld_combo_box(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<TreeView> weld_tree_view(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<IconView> weld_icon_view(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Label> weld_label(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<TextView> weld_text_view(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Expander> weld_expander(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Entry> weld_entry(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<Scale> weld_scale(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<ProgressBar> weld_progress_bar(const OString& id,
+                                                           bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Spinner> weld_spinner(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Image> weld_image(const OString& id, bool bTakeOwnership = false) = 0;
+    virtual std::unique_ptr<Calendar> weld_calendar(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<DrawingArea>
+    weld_drawing_area(const OString& id, const a11yref& rA11yImpl = nullptr,
+                      FactoryFunction pUITestFactoryFunction = nullptr, void* pUserData = nullptr,
+                      bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<EntryTreeView>
+    weld_entry_tree_view(const OString& containerid, const OString& entryid,
+                         const OString& treeviewid, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<Menu> weld_menu(const OString& id, bool bTakeOwnership = true) = 0;
+    virtual std::unique_ptr<Toolbar> weld_toolbar(const OString& id, bool bTakeOwnership = false)
+        = 0;
+    virtual std::unique_ptr<SizeGroup> create_size_group() = 0;
+    /* return a Dialog suitable to take a screenshot of containing the contents of the .ui file.
+
+       If the toplevel element is a dialog, that will be returned
+       If the toplevel is not a dialog, a dialog will be created and the contents of the .ui
+       inserted into it
+    */
+    virtual std::unique_ptr<Window> create_screenshot_window() = 0;
+    virtual ~Builder() {}
+};
+
+class VCL_DLLPUBLIC DialogController : public std::enable_shared_from_this<DialogController>
+{
+public:
+    virtual Dialog* getDialog() = 0;
+    const Dialog* getConstDialog() const
+    {
+        return const_cast<DialogController*>(this)->getDialog();
+    }
+    virtual short run() { return getDialog()->run(); }
+    static bool runAsync(const std::shared_ptr<DialogController>& rController,
+                         const std::function<void(sal_Int32)>&);
+    void set_title(const OUString& rTitle) { getDialog()->set_title(rTitle); }
+    OUString get_title() const { return getConstDialog()->get_title(); }
+    void set_help_id(const OString& rHelpId) { getDialog()->set_help_id(rHelpId); }
+    OString get_help_id() const { return getConstDialog()->get_help_id(); }
+    void response(int nResponse) { getDialog()->response(nResponse); }
+    virtual ~DialogController() COVERITY_NOEXCEPT_FALSE;
+};
+
+class VCL_DLLPUBLIC GenericDialogController : public DialogController
+{
+protected:
+    std::unique_ptr<weld::Builder> m_xBuilder;
+    std::shared_ptr<weld::Dialog> m_xDialog;
+
+public:
+    GenericDialogController(weld::Widget* pParent, const OUString& rUIFile,
+                            const OString& rDialogId, bool bMobile = false);
+    virtual Dialog* getDialog() override;
+    virtual ~GenericDialogController() COVERITY_NOEXCEPT_FALSE override;
+};
+
+class VCL_DLLPUBLIC MessageDialogController : public DialogController
+{
+protected:
+    std::unique_ptr<weld::Builder> m_xBuilder;
+    std::unique_ptr<weld::MessageDialog> m_xDialog;
+    std::unique_ptr<weld::Container> m_xContentArea;
+    std::unique_ptr<weld::Widget> m_xRelocate;
+    std::unique_ptr<weld::Container> m_xOrigParent;
+
+public:
+    /* @param rRelocateId - optional argument of the name of a widget in the .ui file
+                            which should be relocated into the content area of the dialog.
+
+                            e.g. a checkbox for a "Never show this again" option.
+
+                            This results in the named widget relocating to the same container
+                            as the messages.  This enables aligning the extra widget with the
+                            message labels in the content area container which doesn't
+                            explicitly exist in the ui description, but is only implied.
+    */
+    MessageDialogController(weld::Widget* pParent, const OUString& rUIFile,
+                            const OString& rDialogId, const OString& rRelocateId = OString());
+    virtual Dialog* getDialog() override;
+    virtual ~MessageDialogController() override;
+    void set_primary_text(const OUString& rText) { m_xDialog->set_primary_text(rText); }
+    OUString get_primary_text() const { return m_xDialog->get_primary_text(); }
+    void set_default_response(int nResponse) { m_xDialog->set_default_response(nResponse); }
+};
+
+class VCL_DLLPUBLIC AssistantController : public DialogController
+{
+protected:
+    std::unique_ptr<weld::Builder> m_xBuilder;
+    std::unique_ptr<weld::Assistant> m_xAssistant;
+
+public:
+    AssistantController(weld::Widget* pParent, const OUString& rUIFile, const OString& rDialogId);
+    virtual Dialog* getDialog() override;
+    virtual ~AssistantController() override;
+};
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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