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81 lines
2.4 KiB
81 lines
2.4 KiB
/******************************************************************** |
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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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Copyright (C) 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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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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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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