File indexing completed on 2024-05-19 05:31:29

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <config-kwin.h>
 
 #include "core/outputbackend.h"
 #include <kwin_export.h>
 
 #include <QObject>
 
 #include <memory>
 
 #include <X11/Xlib-xcb.h>
 #include <fixx11h.h>
 
 namespace KWin
 {
 class RenderLoop;
 class XInputIntegration;
 class WindowSelector;
 class X11EventFilter;
 class X11Output;
 class X11Keyboard;
 class Edge;
 class ScreenEdges;
 class Outline;
 class OutlineVisual;
 class Cursor;
 class Compositor;
 class WorkspaceScene;
 class Window;
 
 class KWIN_EXPORT X11StandaloneBackend : public OutputBackend
 {
     Q_OBJECT
 
 public:
     X11StandaloneBackend(QObject *parent = nullptr);
     ~X11StandaloneBackend() override;
     bool initialize() override;
 
     ::Display *display() const;
     xcb_connection_t *connection() const;
     xcb_window_t rootWindow() const;
 
     std::unique_ptr<OpenGLBackend> createOpenGLBackend() override;
     QList<CompositingType> supportedCompositors() const override;
 
     void initOutputs();
     void scheduleUpdateOutputs();
     void updateOutputs();
 
     std::unique_ptr<Edge> createScreenEdge(ScreenEdges *parent);
     std::unique_ptr<Cursor> createPlatformCursor();
     void startInteractiveWindowSelection(std::function<void(KWin::Window *)> callback, const QByteArray &cursorName = QByteArray());
     void startInteractivePositionSelection(std::function<void(const QPointF &)> callback);
     PlatformCursorImage cursorImage() const;
     std::unique_ptr<OutlineVisual> createOutline(Outline *outline);
     void createEffectsHandler(Compositor *compositor, WorkspaceScene *scene);
 
     X11Keyboard *keyboard() const;
     RenderLoop *renderLoop() const;
     Outputs outputs() const override;
 
     void setEglDisplay(std::unique_ptr<EglDisplay> &&display);
     EglDisplay *sceneEglDisplayObject() const override;
 
 private:
     /**
      * Tests whether GLX is supported and returns @c true
      * in case KWin is compiled with OpenGL support and GLX
      * is available.
      *
      * If KWin is compiled with OpenGL ES or without OpenGL at
      * all, @c false is returned.
      * @returns @c true if GLX is available, @c false otherwise and if not build with OpenGL support.
      */
     static bool hasGlx();
 
     X11Output *findX11Output(const QString &name) const;
     template<typename T>
     void doUpdateOutputs();
     void updateRefreshRate();
     void updateCursor();
 
 #if HAVE_X11_XINPUT
     std::unique_ptr<XInputIntegration> m_xinputIntegration;
 #endif
     std::unique_ptr<QTimer> m_updateOutputsTimer;
     ::Display *m_x11Display;
     std::unique_ptr<WindowSelector> m_windowSelector;
     std::unique_ptr<X11EventFilter> m_screenEdgesFilter;
     std::unique_ptr<X11EventFilter> m_randrEventFilter;
     std::unique_ptr<X11Keyboard> m_keyboard;
     std::unique_ptr<RenderLoop> m_renderLoop;
     QList<Output *> m_outputs;
     std::unique_ptr<EglDisplay> m_eglDisplay;
 };
 
 }