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bug#3347: 23.0.93; unnecessary display updates with mouse-drag-region
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From: |
YAMAMOTO Mitsuharu |
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Subject: |
bug#3347: 23.0.93; unnecessary display updates with mouse-drag-region |
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Date: |
Thu, 11 Jun 2009 09:28:10 +0900 |
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User-agent: |
Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) |
>>>>> On Wed, 10 Jun 2009 12:50:23 -0400, Chong Yidong <cyd@stupidchicken.com>
>>>>> said:
>> Mouse dragging over a text in the default face causes unnecessary
>> updates in other windows displaying the same buffer.
>>
>> I tried some older versions and found that the change below made the
>> difference.
>>
>> 2008-07-08 Chong Yidong <cyd@stupidchicken.com>
>>
>> * xfaces.c (Finternal_merge_in_global_face): Save merged
>> attributes for the default face back into the face vector.
> I don't see why. Is Finternal_merge_in_global_face called when you
> perform mouse dragging? It should not be (and on my current GNU/Linux
> build it isn't).
No. The breakpoint didn't hit during mouse dragging.
YAMAMOTO Mitsuharu
mituharu@math.s.chiba-u.ac.jp