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