/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
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** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
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** Other Usage | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef QWINDOWSURFACE_P_H | |
#define QWINDOWSURFACE_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists for the convenience | |
// of other Qt classes. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include <QtGui/qwidget.h> | |
QT_BEGIN_NAMESPACE | |
class QPaintDevice; | |
class QRegion; | |
class QRect; | |
class QPoint; | |
class QImage; | |
class QWindowSurfacePrivate; | |
class Q_GUI_EXPORT QWindowSurface | |
{ | |
public: | |
QWindowSurface(QWidget *window); | |
virtual ~QWindowSurface(); | |
QWidget *window() const; | |
virtual QPaintDevice *paintDevice() = 0; | |
// 'widget' can be a child widget, in which case 'region' is in child widget coordinates and | |
// offset is the (child) widget's offset in relation to the window surface. On QWS, 'offset' | |
// can be larger than just the offset from the top-level widget as there may also be window | |
// decorations which are painted into the window surface. | |
virtual void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset) = 0; | |
virtual void setGeometry(const QRect &rect); | |
QRect geometry() const; | |
virtual bool scroll(const QRegion &area, int dx, int dy); | |
virtual void beginPaint(const QRegion &); | |
virtual void endPaint(const QRegion &); | |
virtual QImage* buffer(const QWidget *widget); | |
virtual QPixmap grabWidget(const QWidget *widget, const QRect& rectangle = QRect()) const; | |
virtual QPoint offset(const QWidget *widget) const; | |
inline QRect rect(const QWidget *widget) const; | |
bool hasStaticContentsSupport() const; | |
bool hasPartialUpdateSupport() const; | |
void setStaticContents(const QRegion ®ion); | |
QRegion staticContents() const; | |
protected: | |
bool hasStaticContents() const; | |
void setStaticContentsSupport(bool enable); | |
void setPartialUpdateSupport(bool enable); | |
private: | |
QWindowSurfacePrivate *d_ptr; | |
}; | |
inline QRect QWindowSurface::rect(const QWidget *widget) const | |
{ | |
return widget->rect().translated(offset(widget)); | |
} | |
QT_END_NAMESPACE | |
#endif // QWINDOWSURFACE_P_H |