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bug#18451: 24.4.50; 'toggle-frame-fullscreen' can cut off minibuffer


From: Jan Djärv
Subject: bug#18451: 24.4.50; 'toggle-frame-fullscreen' can cut off minibuffer
Date: Thu, 18 Sep 2014 21:45:04 +0200

18 sep 2014 kl. 14:41 skrev martin rudalics <address@hidden>:

> In any case, the problem could be due to the following:
> 
> (1) Due to some non-textual settings (scroll bar, divider, border width)
>    we ask the window manager for a frame height which is _not_ an
>    integral multiple of the nominal character height.  At the same time
>    we ask the window manager to store that nominal height as the
>    canonical height by which frame height change increments should be
>    allowed.
> 
> (2) The window manager (sometimes) decides that our resize request is
>    impudent and overrules it by sending us a size that fits the nominal
>    height settings.
> 
> Jan is our hints expert.  Maybe he has an idea.


Basically yes.  But with Gtk+ there is an additional complication.  Gtk tries 
to force the height increments itself if it finds that they aren't met, by 
resizing windows.  By setting resize pixelwise all hints are basically off so 
nothing of this happens.  An idea would be to turn hints off if we are going 
fullsize.

        Jan D.






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