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Re: Redisplay problems?

From: martin rudalics
Subject: Re: Redisplay problems?
Date: Fri, 21 Mar 2014 09:03:39 +0100

>> But it's a redraw when we expose a hitherto invisible/obscured frame
>> whose contents have changed while it was invisible/obscured.
> If the glyph matrices of such a frame were updated when the contents
> changed, then there's no need to recompute them at expose event time.

But wasn't the whole idea of maintaining an "obscured" state to not
update the glyph matrices when a change occurs while the frame is
obscured but instead to wait until the frame gets exposed again?


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