kwin/plugins/platforms/virtual/virtual_backend.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_VIRTUAL_BACKEND_H
#define KWIN_VIRTUAL_BACKEND_H
#include "platform.h"
#include <kwin_export.h>
#include <QObject>
#include <QRect>
class QTemporaryDir;
namespace KWin
{
class VirtualOutput;
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class KWIN_EXPORT VirtualBackend : public Platform
{
Q_OBJECT
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Q_INTERFACES(KWin::Platform)
Q_PLUGIN_METADATA(IID "org.kde.kwin.Platform" FILE "virtual.json")
public:
VirtualBackend(QObject *parent = nullptr);
virtual ~VirtualBackend();
void init() override;
bool saveFrames() const {
return !m_screenshotDir.isNull();
}
QString screenshotDirPath() const;
Screens *createScreens(QObject *parent = nullptr) override;
QPainterBackend* createQPainterBackend() override;
OpenGLBackend *createOpenGLBackend() override;
Q_INVOKABLE void setVirtualOutputs(int count, QVector<QRect> geometries = QVector<QRect>(), QVector<int> scales = QVector<int>());
Outputs outputs() const override;
Outputs enabledOutputs() const override;
QVector<CompositingType> supportedCompositors() const override {
if (selectedCompositor() != NoCompositing) {
return {selectedCompositor()};
}
return QVector<CompositingType>{OpenGLCompositing, QPainterCompositing};
}
Q_SIGNALS:
void virtualOutputsSet(bool countChanged);
private:
QVector<VirtualOutput*> m_outputs;
QVector<VirtualOutput*> m_enabledOutputs;
QScopedPointer<QTemporaryDir> m_screenshotDir;
};
}
#endif