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bug#23966: 25.1.50; Frame resizing due to tool bar + Gnus
From: |
Stephen Berman |
Subject: |
bug#23966: 25.1.50; Frame resizing due to tool bar + Gnus |
Date: |
Thu, 14 Jul 2016 21:14:34 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
On Thu, 14 Jul 2016 19:33:41 +0200 martin rudalics <rudalics@gmx.at> wrote:
>>> ‘frame-height’ is not necessarily a reliable reflection of what you see
>>> on screen.
>>
>> Why not?
>
> Because of rounding. Tool bar, menu bar and scroll bars do not have
> necessarily sizes that are multiples of a frame's default character
> size. And often you're losing pixels when the frame gets maximized or
> ‘frame-resize-pixelwise’ is non-nil during resizing.
>
>> What's more reliable?
>
> Everything that counts in pixels like ‘frame-pixel-height’.
Thanks.
>>> What do you get with my modifications?
>>
>> On emacs-25 with -Q and frame-resize-pixelwise nil:
> [...]
>> Other buffer; frame pixel height: 608 toolbar height: 53
> [...]
>>
>> On master with -Q and frame-resize-pixelwise nil the results were the
>> same except for the third to last line:
>>
>> Other buffer; frame pixel height: 608 toolbar height: 45
>
> Not here. I get 648 and 44 in both cases.
>
>> On emacs-25 with -Q frame-resize-pixelwise t:
>>
>> Emacs started; frame pixel height: 576 toolbar height: 53
> [...]
>> Final; frame pixel height: 666 toolbar height: 53
>
> So your frame has grown by 90 pixels. Remarkable. BTW setting
> ‘frame-inhibit-implied-resize’ to t would avoid that.
Ah, indeed. I didn't know about that variable, thanks.
> The problem is not GTK specific. Lucid and Motif behave similarly. I
Interesting; I had suspected it was just a GTK issue.
> suppose that just enabling ‘tool-bar-mode’ is not sufficient to make a
> gnus tool bar once gnus has started. Maybe this deficiency is inherent
> to ‘tool-bar-mode’ itself. But it would be interesting to find out
> who's responsible for making such small (8 pixels in your, 35 pixels in
> my case) tool bars in the first place.
Indeed.
Steve Berman