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** GNU General Public License Usage | |
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#ifndef QWINDOWSURFACE_QWS_P_H | |
#define QWINDOWSURFACE_QWS_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include "qwindowsurface_p.h" | |
#include <qregion.h> | |
#include <qimage.h> | |
#include <qdirectpainter_qws.h> | |
#include <qmutex.h> | |
#include <private/qwssharedmemory_p.h> | |
QT_BEGIN_NAMESPACE | |
class QScreen; | |
class QWSWindowSurfacePrivate; | |
class Q_GUI_EXPORT QWSWindowSurface : public QWindowSurface | |
{ | |
public: | |
QWSWindowSurface(); | |
QWSWindowSurface(QWidget *widget); | |
~QWSWindowSurface(); | |
virtual bool isValid() const = 0; | |
virtual void setGeometry(const QRect &rect); | |
virtual void setGeometry(const QRect &rect, const QRegion &mask); | |
virtual void flush(QWidget *widget, const QRegion ®ion, | |
const QPoint &offset); | |
virtual bool move(const QPoint &offset); | |
virtual QRegion move(const QPoint &offset, const QRegion &newClip); | |
virtual QPoint painterOffset() const; // remove!!! | |
virtual void beginPaint(const QRegion &); | |
virtual void endPaint(const QRegion &); | |
virtual bool lock(int timeout = -1); | |
virtual void unlock(); | |
virtual QString key() const = 0; | |
// XXX: not good enough | |
virtual QByteArray transientState() const; | |
virtual QByteArray permanentState() const; | |
virtual void setTransientState(const QByteArray &state); | |
virtual void setPermanentState(const QByteArray &state); | |
virtual QImage image() const = 0; | |
virtual QPaintDevice *paintDevice() = 0; | |
const QRegion clipRegion() const; | |
void setClipRegion(const QRegion &); | |
#ifdef QT_QWS_CLIENTBLIT | |
virtual const QRegion directRegion() const; | |
virtual int directRegionId() const; | |
virtual void setDirectRegion(const QRegion &, int); | |
#endif | |
enum SurfaceFlag { | |
RegionReserved = 0x1, | |
Buffered = 0x2, | |
Opaque = 0x4 | |
}; | |
Q_DECLARE_FLAGS(SurfaceFlags, SurfaceFlag) | |
SurfaceFlags surfaceFlags() const; | |
inline bool isRegionReserved() const { | |
return surfaceFlags() & RegionReserved; | |
} | |
inline bool isBuffered() const { return surfaceFlags() & Buffered; } | |
inline bool isOpaque() const { return surfaceFlags() & Opaque; } | |
int winId() const; | |
virtual void releaseSurface(); | |
protected: | |
void setSurfaceFlags(SurfaceFlags type); | |
void setWinId(int id); | |
private: | |
friend class QWidgetPrivate; | |
void invalidateBuffer(); | |
QWSWindowSurfacePrivate *d_ptr; | |
}; | |
Q_DECLARE_OPERATORS_FOR_FLAGS(QWSWindowSurface::SurfaceFlags) | |
class QWSWindowSurfacePrivate | |
{ | |
public: | |
QWSWindowSurfacePrivate(); | |
void setWinId(int id); | |
QWSWindowSurface::SurfaceFlags flags; | |
QRegion clip; | |
#ifdef QT_QWS_CLIENTBLIT | |
QRegion direct; | |
int directId; | |
#endif | |
int winId; | |
}; | |
class QWSLock; | |
class Q_GUI_EXPORT QWSMemorySurface : public QWSWindowSurface | |
{ | |
public: | |
QWSMemorySurface(); | |
QWSMemorySurface(QWidget *widget); | |
~QWSMemorySurface(); | |
bool isValid() const; | |
QPaintDevice *paintDevice() { return &img; } | |
bool scroll(const QRegion &area, int dx, int dy); | |
QImage image() const { return img; } | |
QPoint painterOffset() const; | |
void beginPaint(const QRegion &rgn); | |
bool lock(int timeout = -1); | |
void unlock(); | |
protected: | |
QImage::Format preferredImageFormat(const QWidget *widget) const; | |
#ifndef QT_NO_QWS_MULTIPROCESS | |
void setLock(int lockId); | |
QWSLock *memlock; | |
#endif | |
#ifndef QT_NO_THREAD | |
QMutex threadLock; | |
#endif | |
QImage img; | |
}; | |
class Q_GUI_EXPORT QWSLocalMemSurface : public QWSMemorySurface | |
{ | |
public: | |
QWSLocalMemSurface(); | |
QWSLocalMemSurface(QWidget *widget); | |
~QWSLocalMemSurface(); | |
void setGeometry(const QRect &rect); | |
QString key() const { return QLatin1String("mem"); } | |
QByteArray permanentState() const; | |
void setPermanentState(const QByteArray &data); | |
virtual void releaseSurface(); | |
protected: | |
uchar *mem; | |
int memsize; | |
}; | |
#ifndef QT_NO_QWS_MULTIPROCESS | |
class Q_GUI_EXPORT QWSSharedMemSurface : public QWSMemorySurface | |
{ | |
public: | |
QWSSharedMemSurface(); | |
QWSSharedMemSurface(QWidget *widget); | |
~QWSSharedMemSurface(); | |
void setGeometry(const QRect &rect); | |
QString key() const { return QLatin1String("shm"); } | |
QByteArray permanentState() const; | |
void setPermanentState(const QByteArray &data); | |
#ifdef QT_QWS_CLIENTBLIT | |
virtual void setDirectRegion(const QRegion &, int); | |
virtual const QRegion directRegion() const; | |
#endif | |
virtual void releaseSurface(); | |
private: | |
bool setMemory(int memId); | |
QWSSharedMemory mem; | |
}; | |
#endif // QT_NO_QWS_MULTIPROCESS | |
#ifndef QT_NO_PAINTONSCREEN | |
class Q_GUI_EXPORT QWSOnScreenSurface : public QWSMemorySurface | |
{ | |
public: | |
QWSOnScreenSurface(); | |
QWSOnScreenSurface(QWidget *widget); | |
~QWSOnScreenSurface(); | |
bool isValid() const; | |
QPoint painterOffset() const; | |
QString key() const { return QLatin1String("OnScreen"); } | |
QByteArray permanentState() const; | |
void setPermanentState(const QByteArray &data); | |
private: | |
void attachToScreen(const QScreen *screen); | |
const QScreen *screen; | |
}; | |
#endif // QT_NO_PAINTONSCREEN | |
#ifndef QT_NO_PAINT_DEBUG | |
class Q_GUI_EXPORT QWSYellowSurface : public QWSWindowSurface | |
{ | |
public: | |
QWSYellowSurface(bool isClient = false); | |
~QWSYellowSurface(); | |
void setDelay(int msec) { delay = msec; } | |
bool isValid() const { return true; } | |
void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset); | |
QString key() const { return QLatin1String("Yellow"); } | |
QByteArray permanentState() const; | |
void setPermanentState(const QByteArray &data); | |
QPaintDevice *paintDevice() { return &img; } | |
QImage image() const { return img; } | |
private: | |
int delay; | |
QSize surfaceSize; // client side | |
QImage img; // server side | |
}; | |
#endif // QT_NO_PAINT_DEBUG | |
#ifndef QT_NO_DIRECTPAINTER | |
class QScreen; | |
class Q_GUI_EXPORT QWSDirectPainterSurface : public QWSWindowSurface | |
{ | |
public: | |
QWSDirectPainterSurface(bool isClient = false, | |
QDirectPainter::SurfaceFlag flags = QDirectPainter::NonReserved); | |
~QWSDirectPainterSurface(); | |
void setReserved() { setSurfaceFlags(RegionReserved); } | |
void setGeometry(const QRect &rect) { setRegion(rect); } | |
void setRegion(const QRegion ®ion); | |
QRegion region() const { return clipRegion(); } | |
void flush(QWidget*, const QRegion &, const QPoint &); | |
bool isValid() const { return false; } | |
QString key() const { return QLatin1String("DirectPainter"); } | |
QByteArray permanentState() const; | |
void setPermanentState(const QByteArray &); | |
QImage image() const { return QImage(); } | |
QPaintDevice *paintDevice() { return 0; } | |
// hw: get rid of this | |
WId windowId() const { return static_cast<WId>(winId()); } | |
QScreen *screen() const { return _screen; } | |
void beginPaint(const QRegion &); | |
bool lock(int timeout = -1); | |
void unlock(); | |
void setLocking(bool b) { doLocking = b; } | |
bool hasPendingRegionEvents() const; | |
private: | |
QScreen *_screen; | |
#ifndef QT_NO_THREAD | |
QMutex threadLock; | |
#endif | |
friend void qt_directpainter_region(QDirectPainter*, const QRegion&, int); | |
bool flushingRegionEvents; | |
bool synchronous; | |
bool doLocking; | |
}; | |
#endif // QT_NO_DIRECTPAINTER | |
QT_END_NAMESPACE | |
#endif // QWINDOWSURFACE_QWS_P_H |