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