GNU bug report logs - #31968
26.1.50; Allow to hide title bar on maximize (gtk/gnome/csd)

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From: martin rudalics <rudalics <at> gmx.at>
To: Carlos Pita <carlosjosepita <at> gmail.com>,  Jonathan Kyle Mitchell <kyle <at> jonathanmitchell.org>
Cc: 31968 <at> debbugs.gnu.org, Robert Pluim <rpluim <at> gmail.com>
Subject: bug#31968: 26.1.50; Allow to hide title bar on maximize (gtk/gnome/csd)
Date: Sun, 01 Jul 2018 11:04:36 +0200

> Bad news: this doesn't work under Cinnamon, only Gnome. I somehow
> assumed it was gtk itself hidding the decoration, but it seems it's
> not working like that.

GTK just manages the settings we request and passes them on to the
window manager.

> Nevertheless I'm more fond of a pure elisp approach like the one
> suggested by Johnathan (hooking from window-size-change-functions). Is
> there anything wrong with that?

Couldn't you try it?  Just check the 'fullscreen' and 'undecorated'
frame parameters there and if they don't match (that is maximized and
decorated or not-maximized and undecorated) set the 'undecorated'
parameter appropriately.  Later on we have to make sure that a per se
undecorated frame does not get decorations when it's demaximized.

I'm afraid you will see some flickering though.

martin

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