I've narrowed it down to a problem painting the greyed out icons of disabled JButtons. If there is a Canvas3D present, it slows down painting of the whole Swing panel if it contains disabled JButtons with icons.
The two workarounds I've tried are:
- disabling the buttons on component or window show events (and watch with despair as the icons slowly and one-by-one become greyed out)
- stop the 3D renderer while the Swing control paints itself and the disabled JButtons - hardly ideal.
Does anyone have any better suggestions? Thanks, -Paul
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