Qt 4.8
qglwindowsurface_qws.cpp
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41 
42 #include <QtGui/QPaintDevice>
43 #include <QtGui/QWidget>
44 #include <QtOpenGL/QGLWidget>
45 #include "private/qglwindowsurface_qws_p.h"
46 #include "private/qpaintengine_opengl_p.h"
47 
49 
69 {
70 public:
72  qglContext(0), ownsContext(false) {}
73 
76 };
77 
84  : QWSWindowSurface(window),
85  d_ptr(new QWSGLWindowSurfacePrivate)
86 {
87 }
88 
94 {
95 }
96 
102 {
104  if (d->ownsContext)
105  delete d->qglContext;
106  delete d;
107 }
108 
113 {
114  Q_D(const QWSGLWindowSurface);
115  if (!d->qglContext) {
116  QWSGLWindowSurface *that = const_cast<QWSGLWindowSurface*>(this);
118  that->d_func()->ownsContext = true;
119  }
120  return d->qglContext;
121 }
122 
127 {
129  if (d->ownsContext) {
130  delete d->qglContext;
131  d->ownsContext = false;
132  }
133  d->qglContext = context;
134 }
135 
double d
Definition: qnumeric_p.h:62
QWSGLWindowSurface()
Constructs an empty QWSGLWindowSurface.
The QWSWindowSurface class provides the drawing area for top-level windows in Qt for Embedded Linux...
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QGLContext * context() const
Returns the QGLContext of the window surface.
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
~QWSGLWindowSurface()
Destroys the QWSGLWindowSurface object and frees any allocated resources.
#define Q_D(Class)
Definition: qglobal.h:2482
void setContext(QGLContext *context)
Sets the QGLContext for this window surface to context.
NSWindow * window
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QWSGLWindowSurfacePrivate * d_ptr
The QGLContext class encapsulates an OpenGL rendering context.
Definition: qgl.h:310
static QGLFormat defaultFormat()
Definition: qgl.cpp:1518
The QWSGLWindowSurface class provides the drawing area for top-level windows with Qt for Embedded Lin...