GNU bug report logs - #18528
24.3.93; Crash during restoration of frameset from desktop

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From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 18528 <at> debbugs.gnu.org
Subject: bug#18528: 24.3.93; Crash during restoration of frameset from desktop
Date: Tue, 23 Sep 2014 21:17:02 +0200

>>   > Yes, I think so.  I think the reason we didn't see any problems with
>>   > that is that GUI windows always over-allocate their glyph matrices, to
>>   > be prepared for dealing with the smallest possible font, which is
>>   > rarely if ever used.  But I think if you actually use that smallest
>>   > font for the default face, you will see the problem.
>>
>> I thought it's not needed because in required_matrix_width we use the
>> pixel width when HAVE_WINDOW_SYSTEM is defined.
>
> Is this a response to what's above or to what's below?

To what's above.  Currently we

      return (((WINDOW_PIXEL_WIDTH (w) + ch_width - 1)
	       / ch_width) * w->ncols_scale_factor
	      /* 2 partially visible columns in the text area.  */
	      + 2
	      /* One partially visible column at the right
		 edge of each marginal area.  */
	      + 1 + 1);

so columns aren't involved IIUC.

martin

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