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From: | Jason Rumney |
Subject: | Re: Image display problems in Gnus |
Date: | Wed, 13 Sep 2006 15:59:46 +0100 |
User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.4) Gecko/20060516 Thunderbird/1.5.0.4 Mnenhy/0.7.4.666 |
Kim F. Storm wrote:
Where is the code that catches this? I have been trying to investigate a Windows specific bug listed in FOR-RELEASE the last couple of days, where the same seems to be happening with the splash screen image, except Emacs never catches it and it keeps looping. I can see that on X, Emacs catches it as you explain there.This causese problems for the redisplay engine when it tries to figure out where to display the cursor -- and it ends up displaying it at some position which is not visible in the window. This triggers the recenting code in redisplay which wants the cursor position to be displayed in the window. But this still results in the cursor in some invalid position.... .. and finally, the redisplay has some code which catches this anomaly and displays the cursor in the upper left corner of the window instead.
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