Looks good to me.
> The code for handling single key up / down events in spice-server is:
> SpiceMsgcKeyDown *key_down = (SpiceMsgcKeyDown *)buf;
> uint8_t *now = (uint8_t *)&key_down->code;
> uint8_t *end = now + sizeof(key_down->code);
> for (; now < end && *now; now++) {
> kbd_push_scan(keyboard, *now);
> }
>
> Notice the *now, which makes sure that no scancodes with the value 0
> get
> send! But the new SPICE_MSGC_INPUTS_KEY_SCANCODE in the server does:
>
> uint8_t *code = (uint8_t *)buf;
> for (i = 0; i < size; i++) {
> kbd_push_scan(keyboard, code[i]);
> }
>
> And thus will push any 0 bytes in the buffer. Resulting in these
> message
> in the guest:
>
> atkbd serio0: Unknown key pressed (translated set 2, code 0x0 on
> isa0060/serio0).
> atkbd serio0: Use 'setkeycodes 00 <keycode>' to make it known.
>
> Rather then making the server skip 0 bytes I believe it is better to
> just
> make spice-gtk not send these in the first place, which is what this
> patch
> does.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> gtk/channel-inputs.c | 19 +++++++++++++++----
> 1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/gtk/channel-inputs.c b/gtk/channel-inputs.c
> index c907948..ee86dc2 100644
> --- a/gtk/channel-inputs.c
> +++ b/gtk/channel-inputs.c
> @@ -537,12 +537,23 @@ void
> spice_inputs_key_press_and_release(SpiceInputsChannel
> *input_channel, guint
>
> if (spice_channel_test_capability(channel,
> SPICE_INPUTS_CAP_KEY_SCANCODE)) {
> SpiceMsgOut *msg;
> - guint16 *code;
> + guint16 code;
> + guint8 *buf;
>
> msg = spice_msg_out_new(channel,
> SPICE_MSGC_INPUTS_KEY_SCANCODE);
> - code =
> (guint16*)spice_marshaller_reserve_space(msg->marshaller, 2 *
> sizeof(guint16));
> - *code++ = spice_make_scancode(scancode, FALSE);
> - *code = spice_make_scancode(scancode, TRUE);
> + if (scancode < 0x100) {
> + buf =
> (guint8*)spice_marshaller_reserve_space(msg->marshaller, 2);
> + buf[0] = spice_make_scancode(scancode, FALSE);
> + buf[1] = spice_make_scancode(scancode, TRUE);
> + } else {
> + buf =
> (guint8*)spice_marshaller_reserve_space(msg->marshaller, 4);
> + code = spice_make_scancode(scancode, FALSE);
> + buf[0] = code & 0xff;
> + buf[1] = code >> 8;
> + code = spice_make_scancode(scancode, TRUE);
> + buf[2] = code & 0xff;
> + buf[3] = code >> 8;
> + }
> spice_msg_out_send(msg);
> } else {
> CHANNEL_DEBUG(channel, "The server doesn't support atomic
> press and release");
> --
> 1.7.12.1
>
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>
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