Creates a new gdk.GLContext with the appropriate GdkGLDrawable for this widget. The GL context must be freed when you're finished with it. See also Widget.getGlContext.
Returns the glgdk.GLConfig referred by the widget.
Returns the gdk.GLContext with the appropriate GdkGLDrawable for this widget. Unlike the GL context returned by Widget.createGlContext, this context is owned by the widget.
Returns the glgdk.GLWindow owned by the widget.
Returns whether the widget is OpenGL-capable.
Set the OpenGL-capability to the widget. This function prepares the widget for its use with OpenGL.
Undocumented in source.