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Re: [Qemu-devel] [PATCH for 2.10] ps2: fix sending of PAUSE/BREAK scanco

From: Daniel P. Berrange
Subject: Re: [Qemu-devel] [PATCH for 2.10] ps2: fix sending of PAUSE/BREAK scancodes
Date: Wed, 26 Jul 2017 13:45:51 +0100
User-agent: Mutt/1.8.3 (2017-05-23)

On Wed, Jul 26, 2017 at 02:33:10PM +0200, Gerd Hoffmann wrote:
>   Hi,
> > FYI, after adding qcodes to the keycodemapdb, (but not having picked
> > your branch),
> I don't think this is a good idea.  qkeycode numbers are a qemu-private 
> thing, they can (and did in the past) change.  The names are api and
> must not change.

Sorry, yes, I meant only adding the names  - libvirt needs to know the
qcode names and what they map to in other key maps, to use the send-key

> > I was actually just going add an entry for QKeyCode names to the
> > keycodemapdb, so we can convert straight to that, and also let
> > us auto-generate the qemu_input_linux_to_qcode() table.
> Ok, with the names it should work.
> > Strangely there is no Linux key code defined for AltGr, so if we
> > map via Linux key codes, we would loose ability to send AltGr

It seems KEY_RIGHTALT is different from AltGr - it maps to AT set 1
extended scancode 0xe0 0x38, where as AltGr generates 0x64 on my

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