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Re: [Qemu-trivial] [Qemu-devel] patch: add delay=<msecs> suboption to -d

From: Peter Maydell
Subject: Re: [Qemu-trivial] [Qemu-devel] patch: add delay=<msecs> suboption to -display curses
Date: Sun, 25 May 2014 10:11:40 +0100

On 25 May 2014 02:21, Dave Mielke <address@hidden> wrote:
> [quoted lines by Peter Maydell on 2014/05/25 at 01:04 +0100]
>>Why is this a problem only for the curses UI frontend, and not for
>>any of the other UIs which might send key events?
> One reason is that most UIs send key events as they receive them from the
> keyboard, one at a time, whereas the curses UI gets a single key event from
> curses and then sends all of the scancodes which it takes to represent that
> key. In other words, a single key event from curses could result in as many as
> 10 actual key events needing to be passed along - both the press and release
> for the actual key plus up to four modifiers (shift, control, alt, altgr).

Ah, I see. Still, I think it makes more sense for the queue and delay
to be in the common key handling code, not in the curses frontend

-- PMM

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