63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
/*
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RISC OS KWin client
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Copyright 2000
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Rik Hemsley <rik@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (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 GNU
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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; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#ifndef RISC_OS_DOUBLE_BUFFERED_WIDGET_H
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#define RISC_OS_DOUBLE_BUFFERED_WIDGET_H
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#include <qwidget.h>
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#include <qpixmap.h>
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namespace RiscOS
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{
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class DBWidget : public QWidget
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{
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public:
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DBWidget(QWidget * parent = 0, const char * name = 0);
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virtual ~DBWidget() { /* Empty */ }
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virtual void updateDisplay();
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protected:
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virtual void updatePixmap() = 0;
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virtual void paintEvent(QPaintEvent * e);
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virtual void resizeEvent(QResizeEvent * e);
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QPixmap & buf() { return buf_; }
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private:
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DBWidget(const DBWidget &);
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DBWidget & operator = (const DBWidget &);
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QPixmap buf_;
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};
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} // End namespace
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#endif
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// vim:ts=2:sw=2:tw=78
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