Qt 4.8
qxcbwindowsurface.h
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41 
42 #ifndef QXCBWINDOWSURFACE_H
43 #define QXCBWINDOWSURFACE_H
44 
45 #include <private/qwindowsurface_p.h>
46 
47 #include <xcb/xcb.h>
48 
49 #include "qxcbobject.h"
50 
51 class QXcbShmImage;
52 
54 {
55 public:
56  QXcbWindowSurface(QWidget *widget, bool setDefaultSurface = true);
58 
60  void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
61  void resize(const QSize &size);
62  bool scroll(const QRegion &area, int dx, int dy);
63 
64  void beginPaint(const QRegion &);
65  void endPaint(const QRegion &);
66 
67 private:
70 };
71 
72 #endif
void beginPaint(const QRegion &)
This function is called before painting onto the surface begins, with the region in which the paintin...
QPointer< QWidget > widget
QXcbWindowSurface(QWidget *widget, bool setDefaultSurface=true)
void endPaint(const QRegion &)
This function is called after painting onto the surface has ended, with the region in which the paint...
QXcbShmImage * m_image
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
virtual QPoint offset(const QWidget *widget) const
Returns the offset of widget in the coordinates of this window surface.
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
The QWindowSurface class provides the drawing area for top-level windows.
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
bool scroll(const QRegion &area, int dx, int dy)
Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative...
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
void resize(const QSize &size)
void flush(QWidget *widget, const QRegion &region, const QPoint &offset)
Flushes the given region from the specified widget onto the screen.
static int area(const QSize &s)
Definition: qicon.cpp:155
QPaintDevice * paintDevice()
Implement this function to return the appropriate paint device.