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Re: [Qemu-devel] [PATCH 4/7] sdl2: Only accept the hotkeys on the main w

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH 4/7] sdl2: Only accept the hotkeys on the main window
Date: Fri, 3 Nov 2017 10:41:35 +0000

On 3 November 2017 at 10:35, Gerd Hoffmann <address@hidden> wrote:
> On Fri, 2017-11-03 at 09:37 +0000, Peter Maydell wrote:
>> Also I think it would be nice to have written up what the
>> "expected" set of hotkeys for UI frontends are, so we can
>> be consistent. I think SDL and gtk are different about what
>> their ungrab keycombo is, for instance. (I've been assuming
>> gtk is the "this is the right behaviour" exemplar to follow.)
> That is another mess I'll plan to look at, because I want rework the
> display command line switches parsing.  So, the current state is:
> gtk ungrab is ctrl-alt-g.
> sdl ungrab is ctrl-alt (by default, but see below).
> cocoa ungrab is ctl-alt too.
> For reference: virt-viewer (vnc/spice client) likewise uses ctrl-alt.
> So it seems gtk is the odd one here.  Possibly due to how hotkeys are
> implemented in gtk, could be a GtkAccelGroup simply doesn't support
> modifier-only hotkeys.

There's a patch in-flight to switch cocoa to ctrl-alt-g.
(If you think that's a bad idea it would be useful to reply
to that patch.)

Using plain ctrl-alt for ungrab has the disadvantage that you
then can't send the guest any ctrl-alt-anything combos at all,
I think.

-- PMM

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