File indexing completed on 2025-03-16 08:15:01

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <QObject>
 
 namespace KWin
 {
 class SurfaceInterface;
 class SubSurfaceInterface;
 }
 
 namespace KWin
 {
 
 /**
  * The SubSurfaceMonitor class provides a convenient way for monitoring changes in
  * sub-surface trees, e.g. addition or removal of sub-surfaces, etc.
  */
 class SubSurfaceMonitor : public QObject
 {
     Q_OBJECT
 
 public:
     /**
      * Constructs a SubSurfaceTreeMonitor with the given @a surface and @a parent.
      */
     SubSurfaceMonitor(SurfaceInterface *surface, QObject *parent);
 
 Q_SIGNALS:
     /**
      * This signal is emitted when a new sub-surface has been added to the tree.
      */
     void subSurfaceAdded();
     /**
      * This signal is emitted when a sub-surface has been removed from the tree.
      */
     void subSurfaceRemoved();
     /**
      * This signal is emitted when a sub-surface has been moved relative to its parent.
      */
     void subSurfaceMoved();
     /**
      * This signal is emitted when a sub-surface has been resized.
      */
     void subSurfaceResized();
     /**
      * This signal is emitted when a sub-surface is mapped.
      */
     void subSurfaceMapped();
     /**
      * This signal is emitted when a sub-surface is unmapped.
      */
     void subSurfaceUnmapped();
     /**
      * This signal is emitted when the buffer size of a subsurface has changed.
      */
     void subSurfaceBufferSizeChanged();
     void subSurfaceCommitted(SubSurfaceInterface *subSurface);
 
 private:
     void registerSubSurface(SubSurfaceInterface *subSurface);
     void unregisterSubSurface(SubSurfaceInterface *subSurface);
     void registerSurface(SurfaceInterface *surface);
     void unregisterSurface(SurfaceInterface *surface);
 };
 
 } // namespace KWin