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| -rw-r--r-- | vcl/inc/unx/gtk/gtkinst.hxx | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/vcl/inc/unx/gtk/gtkinst.hxx b/vcl/inc/unx/gtk/gtkinst.hxx new file mode 100644 index 000000000..eb3199b58 --- /dev/null +++ b/vcl/inc/unx/gtk/gtkinst.hxx @@ -0,0 +1,352 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_VCL_INC_UNX_GTK_GTKINST_HXX +#define INCLUDED_VCL_INC_UNX_GTK_GTKINST_HXX + +#include <sal/config.h> + +#include <stack> + +#include <unx/salinst.h> +#include <unx/gensys.h> +#include <headless/svpinst.hxx> +#include <com/sun/star/datatransfer/DataFlavor.hpp> +#include <com/sun/star/datatransfer/dnd/XDragSource.hpp> +#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/awt/XWindow.hpp> +#include <cppuhelper/compbase.hxx> +#include <vcl/weld.hxx> +#include <vcl/weldutils.hxx> +#include <gtk/gtk.h> + +vcl::Font pango_to_vcl(const PangoFontDescription* font, const css::lang::Locale& rLocale); + +class GenPspGraphics; +class GtkYieldMutex final : public SalYieldMutex +{ + thread_local static std::stack<sal_uInt32> yieldCounts; + +public: + GtkYieldMutex() {} + void ThreadsEnter(); + void ThreadsLeave(); +}; + +class GtkSalFrame; + +#if GTK_CHECK_VERSION(4, 0, 0) +gint gtk_dialog_run(GtkDialog *dialog); + +struct read_transfer_result +{ + enum { BlockSize = 8192 }; + size_t nRead = 0; + bool bDone = false; + + std::vector<sal_Int8> aVector; + + static void read_block_async_completed(GObject* source, GAsyncResult* res, gpointer user_data); + + OUString get_as_string() const; + css::uno::Sequence<sal_Int8> get_as_sequence() const; +}; + +#endif + +struct VclToGtkHelper +{ + std::vector<css::datatransfer::DataFlavor> aInfoToFlavor; +#if GTK_CHECK_VERSION(4, 0, 0) + std::vector<OString> FormatsToGtk(const css::uno::Sequence<css::datatransfer::DataFlavor> &rFormats); +#else + std::vector<GtkTargetEntry> FormatsToGtk(const css::uno::Sequence<css::datatransfer::DataFlavor> &rFormats); +#endif +#if GTK_CHECK_VERSION(4, 0, 0) + void setSelectionData(const css::uno::Reference<css::datatransfer::XTransferable> &rTrans, + GdkContentProvider* provider, + const char* mime_type, + GOutputStream* stream, + int io_priority, + GCancellable* cancellable, + GAsyncReadyCallback callback, + gpointer user_data); +#else + void setSelectionData(const css::uno::Reference<css::datatransfer::XTransferable> &rTrans, + GtkSelectionData *selection_data, guint info); +#endif +private: +#if GTK_CHECK_VERSION(4, 0, 0) + OString makeGtkTargetEntry(const css::datatransfer::DataFlavor& rFlavor); +#else + GtkTargetEntry makeGtkTargetEntry(const css::datatransfer::DataFlavor& rFlavor); +#endif +}; + +class GtkTransferable : public cppu::WeakImplHelper<css::datatransfer::XTransferable> +{ +protected: +#if GTK_CHECK_VERSION(4, 0, 0) + std::map<OUString, OString> m_aMimeTypeToGtkType; +#else + std::map<OUString, GdkAtom> m_aMimeTypeToGtkType; +#endif + +#if GTK_CHECK_VERSION(4, 0, 0) + std::vector<css::datatransfer::DataFlavor> getTransferDataFlavorsAsVector(const char * const *targets, gint n_targets); +#else + std::vector<css::datatransfer::DataFlavor> getTransferDataFlavorsAsVector(GdkAtom *targets, gint n_targets); +#endif + +public: + virtual css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override = 0; + virtual std::vector<css::datatransfer::DataFlavor> getTransferDataFlavorsAsVector() = 0; + virtual css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL getTransferDataFlavors() override; + virtual sal_Bool SAL_CALL isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor) override; +}; + +class GtkDnDTransferable; + +class GtkInstDropTarget final : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDropTarget, + css::lang::XInitialization, + css::lang::XServiceInfo> +{ + osl::Mutex m_aMutex; + GtkSalFrame* m_pFrame; + GtkDnDTransferable* m_pFormatConversionRequest; + bool m_bActive; + bool m_bInDrag; + sal_Int8 m_nDefaultActions; + std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> m_aListeners; +public: + GtkInstDropTarget(); + virtual ~GtkInstDropTarget() override; + + // XInitialization + virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArgs) override; + void deinitialize(); + + // XDropTarget + virtual void SAL_CALL addDropTargetListener(const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override; + virtual void SAL_CALL removeDropTargetListener(const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override; + virtual sal_Bool SAL_CALL isActive() override; + virtual void SAL_CALL setActive(sal_Bool active) override; + virtual sal_Int8 SAL_CALL getDefaultActions() override; + virtual void SAL_CALL setDefaultActions(sal_Int8 actions) override; + + OUString SAL_CALL getImplementationName() override; + + sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override; + + css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override; + + void fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee); + void fire_dragOver(const css::datatransfer::dnd::DropTargetDragEvent& dtde); + void fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde); + void fire_dragExit(const css::datatransfer::dnd::DropTargetEvent& dte); + + void SetFormatConversionRequest(GtkDnDTransferable *pRequest) + { + m_pFormatConversionRequest = pRequest; + } + +#if !GTK_CHECK_VERSION(4, 0, 0) + gboolean signalDragMotion(GtkWidget* pWidget, GdkDragContext* context, gint x, gint y, guint time); + gboolean signalDragDrop(GtkWidget* pWidget, GdkDragContext* context, gint x, gint y, guint time); +#else + GdkDragAction signalDragMotion(GtkDropTargetAsync *context, GdkDrop *drop, double x, double y); + gboolean signalDragDrop(GtkDropTargetAsync *context, GdkDrop *drop, double x, double y); +#endif + + void signalDragLeave(GtkWidget* pWidget); + +#if !GTK_CHECK_VERSION(4, 0, 0) + void signalDragDropReceived(GtkWidget* pWidget, GdkDragContext* context, gint x, gint y, GtkSelectionData* data, guint ttype, guint time); +#endif +}; + +class GtkInstDragSource final : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDragSource, + css::lang::XInitialization, + css::lang::XServiceInfo> +{ + osl::Mutex m_aMutex; + GtkSalFrame* m_pFrame; + css::uno::Reference<css::datatransfer::dnd::XDragSourceListener> m_xListener; + css::uno::Reference<css::datatransfer::XTransferable> m_xTrans; + VclToGtkHelper m_aConversionHelper; +public: + GtkInstDragSource() + : WeakComponentImplHelper(m_aMutex) + , m_pFrame(nullptr) + { + } + + void set_datatransfer(const css::uno::Reference<css::datatransfer::XTransferable>& rTrans, + const css::uno::Reference<css::datatransfer::dnd::XDragSourceListener>& rListener); + +#if !GTK_CHECK_VERSION(4, 0, 0) + std::vector<GtkTargetEntry> FormatsToGtk(const css::uno::Sequence<css::datatransfer::DataFlavor> &rFormats); +#endif + + void setActiveDragSource(); + + virtual ~GtkInstDragSource() override; + + // XDragSource + virtual sal_Bool SAL_CALL isDragImageSupported() override; + virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction) override; + virtual void SAL_CALL startDrag( + const css::datatransfer::dnd::DragGestureEvent& trigger, sal_Int8 sourceActions, sal_Int32 cursor, sal_Int32 image, + const css::uno::Reference< css::datatransfer::XTransferable >& transferable, + const css::uno::Reference< css::datatransfer::dnd::XDragSourceListener >& listener) override; + + // XInitialization + virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any >& rArguments) override; + void deinitialize(); + + OUString SAL_CALL getImplementationName() override; + + sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override; + + css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override; + + void dragFailed(); + void dragDelete(); +#if GTK_CHECK_VERSION(4, 0, 0) + void dragEnd(GdkDrag* drag); +#else + void dragEnd(GdkDragContext* context); + void dragDataGet(GtkSelectionData *data, guint info); +#endif + + // For LibreOffice internal D&D we provide the Transferable without Gtk + // intermediaries as a shortcut, see tdf#100097 for how dbaccess depends on this + static GtkInstDragSource* g_ActiveDragSource; + css::uno::Reference<css::datatransfer::XTransferable> const & GetTransferrable() const { return m_xTrans; } +}; + +enum SelectionType { SELECTION_CLIPBOARD = 0, SELECTION_PRIMARY = 1 }; + +class GtkSalTimer; +class GtkInstance final : public SvpSalInstance +{ +public: + GtkInstance( std::unique_ptr<SalYieldMutex> pMutex ); + virtual ~GtkInstance() override; + void EnsureInit(); + virtual void AfterAppInit() override; + + virtual SalFrame* CreateFrame( SalFrame* pParent, SalFrameStyleFlags nStyle ) override; + virtual SalFrame* CreateChildFrame( SystemParentData* pParent, SalFrameStyleFlags nStyle ) override; + virtual SalObject* CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool bShow ) override; + virtual SalSystem* CreateSalSystem() override; + virtual SalInfoPrinter* CreateInfoPrinter(SalPrinterQueueInfo* pPrinterQueueInfo, ImplJobSetup* pJobSetup) override; + virtual std::unique_ptr<SalPrinter> CreatePrinter( SalInfoPrinter* pInfoPrinter ) override; + virtual std::unique_ptr<SalMenu> CreateMenu( bool, Menu* ) override; + virtual std::unique_ptr<SalMenuItem> CreateMenuItem( const SalItemParams& ) override; + virtual SalTimer* CreateSalTimer() override; + virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType, const OUString& rDocumentService) override; + virtual std::unique_ptr<SalVirtualDevice> + CreateVirtualDevice( SalGraphics&, + tools::Long &nDX, tools::Long &nDY, + DeviceFormat eFormat, + const SystemGraphicsData* = nullptr ) override; + virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override; + + virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override; + virtual bool AnyInput( VclInputFlags nType ) override; + // impossible to handle correctly, as "main thread" depends on the dispatch mutex + virtual bool IsMainThread() const override { return false; } + + virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override; + + virtual bool hasNativeFileSelection() const override { return true; } + + virtual css::uno::Reference< css::ui::dialogs::XFilePicker2 > + createFilePicker( const css::uno::Reference< css::uno::XComponentContext >& ) override; + virtual css::uno::Reference< css::ui::dialogs::XFolderPicker2 > + createFolderPicker( const css::uno::Reference< css::uno::XComponentContext >& ) override; + + virtual css::uno::Reference< css::uno::XInterface > CreateClipboard( const css::uno::Sequence< css::uno::Any >& i_rArguments ) override; + virtual css::uno::Reference<css::uno::XInterface> ImplCreateDragSource(const SystemEnvData*) override; + virtual css::uno::Reference<css::uno::XInterface> ImplCreateDropTarget(const SystemEnvData*) override; + virtual OpenGLContext* CreateOpenGLContext() override; + virtual std::unique_ptr<weld::Builder> CreateBuilder(weld::Widget* pParent, const OUString& rUIRoot, const OUString& rUIFile) override; + virtual std::unique_ptr<weld::Builder> CreateInterimBuilder(vcl::Window* pParent, const OUString& rUIRoot, const OUString& rUIFile, + bool bAllowCycleFocusOut, sal_uInt64 nLOKWindowId = 0) override; + virtual weld::MessageDialog* CreateMessageDialog(weld::Widget* pParent, VclMessageType eMessageType, VclButtonsType eButtonType, const OUString &rPrimaryMessage) override; + virtual weld::Window* GetFrameWeld(const css::uno::Reference<css::awt::XWindow>& rWindow) override; + + virtual const cairo_font_options_t* GetCairoFontOptions() override; + const cairo_font_options_t* GetLastSeenCairoFontOptions() const; + void ResetLastSeenCairoFontOptions(const cairo_font_options_t* pOptions); + + void RemoveTimer (); + + void* CreateGStreamerSink(const SystemChildWindow*) override; + +private: + GtkSalTimer *m_pTimer; + css::uno::Reference<css::uno::XInterface> m_aClipboards[2]; + bool IsTimerExpired(); + bool bNeedsInit; + cairo_font_options_t* m_pLastCairoFontOptions; +}; + +inline GtkInstance* GetGtkInstance() { return static_cast<GtkInstance*>(GetSalInstance()); } + +class SalGtkXWindow final : public weld::TransportAsXWindow +{ +private: + weld::Window* m_pWeldWidget; + GtkWidget* m_pWidget; +public: + + SalGtkXWindow(weld::Window* pWeldWidget, GtkWidget* pWidget) + : TransportAsXWindow(pWeldWidget) + , m_pWeldWidget(pWeldWidget) + , m_pWidget(pWidget) + { + } + + virtual void clear() override + { + m_pWeldWidget = nullptr; + m_pWidget = nullptr; + TransportAsXWindow::clear(); + } + + GtkWidget* getGtkWidget() const + { + return m_pWidget; + } + + weld::Window* getFrameWeld() const + { + return m_pWeldWidget; + } +}; + +GdkPixbuf* load_icon_by_name(const OUString& rIconName); + +#endif // INCLUDED_VCL_INC_UNX_GTK_GTKINST_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |