Qt 4.8
qwindowsurface_x11_p.h
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41 
42 #ifndef QWINDOWSURFACE_X11_P_H
43 #define QWINDOWSURFACE_X11_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of other Qt classes. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include <qglobal.h>
57 #include "private/qwindowsurface_p.h"
58 
60 
61 class QPaintDevice;
62 class QPoint;
63 class QRegion;
64 class QRegion;
65 class QSize;
66 class QWidget;
68 
70 {
71 public:
74 
76  void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
77 
78  void beginPaint(const QRegion &rgn);
79  void setGeometry(const QRect &rect);
80  bool scroll(const QRegion &area, int dx, int dy);
81  QPixmap grabWidget(const QWidget *widget,
82  const QRect& rectangle = QRect()) const;
83  WindowSurfaceFeatures features() const;
84 
85 private:
87  GC gc;
88 };
89 
91 
92 #endif // QWINDOWSURFACE_X11_P_H
QX11WindowSurface(QWidget *widget)
WindowSurfaceFeatures features() const
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
void flush(QWidget *widget, const QRegion &region, const QPoint &offset)
Flushes the given region from the specified widget onto the screen.
QPointer< QWidget > widget
QRect rect(const QWidget *widget) const
Returns the rectangle for widget in the coordinates of this window surface.
void setGeometry(const QRect &rect)
Sets the currently allocated area to be the given rect.
QPixmap grabWidget(const QWidget *widget, const QRect &rectangle=QRect()) const
Returns a QPixmap generated from the part of the backing store corresponding to widget.
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.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
QX11WindowSurfacePrivate * d_ptr
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
QPaintDevice * paintDevice()
Implement this function to return the appropriate paint device.
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
struct _XGC * GC
Definition: qwindowdefs.h:117
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
void beginPaint(const QRegion &rgn)
This function is called before painting onto the surface begins, with the region in which the paintin...
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...
static int area(const QSize &s)
Definition: qicon.cpp:155