Re: [Qemu-devel] [PATCH] add input-send-event command

[Eric Blake]

On 06/16/2014 05:15 PM, Marcelo Tosatti wrote:
> 
> Which allows specification of absolute/relative, 
> up/down and console parameters.
> 
> Suggested by Gerd Hoffman.
> 
> ---

Needs S-o-B.

>  qapi-schema.json |   18 ++++++++++++++++
>  qmp-commands.hx  |   59 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  ui/input.c       |   31 ++++++++++++++++++++++++++++
>  3 files changed, 108 insertions(+)
> 
> Index: qemu/qapi-schema.json
> ===================================================================
> --- qemu.orig/qapi-schema.json        2014-06-16 20:12:51.049064621 -0300
> +++ qemu/qapi-schema.json     2014-06-16 20:13:42.886920723 -0300
> @@ -4722,3 +4722,21 @@
>                'btn'     : 'InputBtnEvent',
>                'rel'     : 'InputMoveEvent',
>                'abs'     : 'InputMoveEvent' } }
> +
> +##
> +# @input-send-event
> +#
> +# Send input event(s) to guest.
> +#
> +# @console: Which console to send event(s) to.

Is it worth requiring console, or can it be optional and default to the
first available console (usually console 0)?

> +#
> +# @events: List of InputEvent union.
> +#
> +# Returns: Nothing on success.
> +#
> +# Since: 2.1
> +#
> +##
> +{ 'command': 'input-send-event',
> +  'data': { 'console':'int', 'events': [ 'InputEvent' ] } }

See my other mail about possibly extending the InputEvent union (or
creating a new subtype) to add delays into the mix.


> +Example (2):
> +
> +Press ctrl-alt-del.
> +
> +-> { "execute": "input-send-event",
> +     "arguments": { "console": 0, "events": [
> +        { "type": "key", "data" : { "down": true,
> +          "key": {"type": "qcode", "data": "ctrl" } } },
> +        { "type": "key", "data" : { "down": true,
> +          "key": {"type": "qcode", "data": "alt" } } },
> +        { "type": "key", "data" : { "down": true,
> +          "key": {"type": "qcode", "data": "delete" } } } ] } }
> +<- { "return": {} }

Don't you also need to send the key-release events (again, possibly
after a pause), for this to work?


> +        if (!qemu_input_find_handler(1 << event->kind, con)) {
> +            error_setg(errp, "Input handler not found for"
> +                             "event type %s",

Typo: s/forevent/for event/

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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