b44580f02e
Instead of scheduling and gathering the Workspace::addRepaint calls at the end of the main loop we directly emit the signal which ends up in a call to addRepaint. The compositeTimer assures that the higher number of scheduled repaints are executed in the same rendering pass.
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*****************************************************************
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This file is part of the KDE project.
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Copyright (C) 2009 Lubos Lunak <l.lunak@kde.org>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#ifndef PAINTREDIRECTOR_H
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#define PAINTREDIRECTOR_H
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#include <qregion.h>
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#include <qtimer.h>
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#include <qwidget.h>
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#include <qbasictimer.h>
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namespace KWin
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{
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// This class redirects all painting of a given widget (including its children)
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// into a paint device (QPixmap).
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class PaintRedirector
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: public QObject
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{
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Q_OBJECT
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public:
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PaintRedirector(QWidget* widget);
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QPixmap performPendingPaint();
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virtual bool eventFilter(QObject* o, QEvent* e);
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QRegion pendingRegion() const;
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QRegion scheduledRepaintRegion();
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signals:
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void paintPending();
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private:
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void added(QWidget* widget);
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void removed(QWidget* widget);
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bool isToolTip(QWidget* widget) const;
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void timerEvent(QTimerEvent* event);
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QWidget* widget;
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QRegion pending;
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QRegion scheduled;
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QPixmap scratch;
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bool recursionCheck;
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QBasicTimer cleanupTimer;
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};
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} // namespace
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#endif
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