+static bool isGLWidgetConstructed = false;
+static bool isWindowConstructed = false;
+
+void TextureBrowser_constructGLWidget(){
+ TextureBrowser &textureBrowser = GlobalTextureBrowser();
+ textureBrowser.m_gl_widget = glwidget_new( FALSE );
+ g_object_ref( textureBrowser.m_gl_widget._handle );
+
+ gtk_widget_set_events( textureBrowser.m_gl_widget, GDK_DESTROY | GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_SCROLL_MASK );
+ gtk_widget_set_can_focus( textureBrowser.m_gl_widget, true );
+
+ textureBrowser.m_sizeHandler = textureBrowser.m_gl_widget.connect( "size_allocate", G_CALLBACK( TextureBrowser_size_allocate ), &textureBrowser );
+ textureBrowser.m_exposeHandler = textureBrowser.m_gl_widget.on_render( G_CALLBACK( TextureBrowser_expose ), &textureBrowser );
+
+ textureBrowser.m_gl_widget.connect( "button_press_event", G_CALLBACK( TextureBrowser_button_press ), &textureBrowser );
+ textureBrowser.m_gl_widget.connect( "button_release_event", G_CALLBACK( TextureBrowser_button_release ), &textureBrowser );
+ textureBrowser.m_gl_widget.connect( "motion_notify_event", G_CALLBACK( TextureBrowser_motion ), &textureBrowser );
+ textureBrowser.m_gl_widget.connect( "scroll_event", G_CALLBACK( TextureBrowser_scroll ), &textureBrowser );
+
+#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
+ textureBrowser.m_hframe.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
+#else // !WORKAROUND_MACOS_GTK2_GLWIDGET
+ textureBrowser.m_frame.pack_start( textureBrowser.m_gl_widget, TRUE, TRUE, 0 );
+#endif // !WORKAROUND_MACOS_GTK2_GLWIDGET
+
+ textureBrowser.m_gl_widget.show();
+
+ isGLWidgetConstructed = true;
+}
+