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32 
33 #ifndef SOQT_GLAREA_H
34 #define SOQT_GLAREA_H
35 
36 #include <qgl.h>
37 
38 #include <Inventor/Qt/SoQtBasic.h>
39 
40 
41 typedef void GLAreaKeyHandler(QKeyEvent * ke, void * userdata);
42 
43 // *************************************************************************
44 
45 class SoQtGLArea : public QGLWidget {
46   typedef QGLWidget inherited;
47   Q_OBJECT
48 
49 public:
50   SoQtGLArea(QGLFormat * const format, QWidget * const parent,
51              const QGLWidget * sharewidget,
52              const char * const name = "QtGLArea");
53   ~SoQtGLArea();
54 
registerQKeyEventHandler(GLAreaKeyHandler * cb,void * userdata)55   void registerQKeyEventHandler(GLAreaKeyHandler * cb, void * userdata)
56   {
57     this->keycb = cb;
58     this->keycbuserdata = userdata;
59   }
60 
61 signals:
62   void init_sig(void);
63   void reshape_sig(int, int);
64   void expose_sig(void);
65 
66 protected:
67   virtual void paintGL(void);
68   virtual void resizeGL(int width, int height);
69   virtual void initializeGL(void);
70 
71   virtual void focusInEvent(QFocusEvent * e);
72   virtual void focusOutEvent(QFocusEvent * e);
73   virtual bool event(QEvent * e);
74 
75 private:
76   GLAreaKeyHandler * keycb;
77   void * keycbuserdata;
78 };
79 
80 // *************************************************************************
81 
82 #endif // ! SOQT_GLAREA_H
83