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Date: Thu, 22 May 2014 08:58:33 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 00/25] qemu gtk ui overhaul
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To: Gerd Hoffmann <kraxel@redhat.com>, Stefan Weil <sw@weilnetz.de>
Cc: qemu-devel@nongnu.org

Il 22/05/2014 08:24, Gerd Hoffmann ha scritto:
> I suspect this is the menu bar.  Current code tries to hide it by
> forcing the widget size to 0x0.  In gtk2 this results in a small white
> line at the top of the screen, probably because the minimum widget size
> in gtk is 1x1.  In gtk3 this doesn't work at all and the menu bar
> remains visible.  This isn't a new issue btw.
>
> I've tried to fix that with a simple gtk_widget_hide(menu_bar) call.
> Which has the side effect to also turn off all menu accelerators.  Which
> is a non-starter, especially for Ctrl-Alt-F not working any more.

Subclass the menu bar and override the draw and size_allocate methods 
when the widget is "hidden"?

Paolo