gtk_widget_set_can_focus( m_gl_widget, true );
m_sizeHandler = m_gl_widget.connect( "size_allocate", G_CALLBACK( xywnd_size_allocate ), this );
- m_exposeHandler = m_gl_widget.connect( "expose_event", G_CALLBACK( xywnd_expose ), this );
+ m_exposeHandler = m_gl_widget.on_render( G_CALLBACK( xywnd_expose ), this );
m_gl_widget.connect( "button_press_event", G_CALLBACK( xywnd_button_press ), this );
m_gl_widget.connect( "button_release_event", G_CALLBACK( xywnd_button_release ), this );