:default-height 240))
(v-box (make-instance 'v-box))
(label (make-instance 'label :label "Click me!"))
- (drawing (make-instance 'gl-drawing-area :on-draw #'draw)))
+ (drawing (make-instance 'gl-drawing-area :on-expose #'draw)))
(box-pack-start v-box drawing)
(box-pack-start v-box label :expand nil)
(container-add window v-box)