GNU bug report logs - #36250
Allow Emacs to be resized arbitrarily

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
Cc: 36250 <at> debbugs.gnu.org
Subject: bug#36250: [PATCH] Allow Emacs to be resized arbitrarily
Date: Sun, 16 Jun 2019 21:24:30 +0300

> From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
> Date: Sun, 16 Jun 2019 21:01:22 +0300
> 
> This constraint disallows standard compliant window managers to make
> Emacs fullscreen on certain screen resolutions (ones that are not
> multiple of width_inc and height_inc), or to expand Emacs to fill free
> space on the screen (on certain sizes too).
> 
> It doesn't seem to do anything useful otherwise; besides some WMs
> (like i3wm) just ignore this property anyway.
> 
> * src/xterm.c (x_wm_set_size_hint): don't set width_inc, height_inc, and
>   GDK_HINT_RESIZE_INC.
> * src/gtkutil.c (x_wm_set_size_hint): don't set width_inc, height_inc, and
>   PResizeInc.
> * src/emacsgtkfixed.c (XSetWMSizeHints): don't set width_inc and height_inc.

Thanks, but after so many years of doing this stuff the way we do, and
without any experts in this domain on board, I think we need to leave
behind a "fire escape" -- a variable that users could set from Lisp to
get back the old behavior.  There are too many window managers out
there, and we cannot be sure none of them need the old code.

Also, this change (and the variable to be added) should be called out
in NEWS.

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