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input: don't queue delay if paused 

qemu_input_event_send() discards key event when the guest is paused,
but not the delay.

The delay ends up in the input queue, and qemu_input_event_send_key()
will further fill the queue with upcoming events.

VNC uses qemu_input_event_send_key_delay(), not SPICE, which results
in a different input behaviour on pause: VNC will queue the events
(except the first that is discarded), SPICE will discard all events.

Don't queue delay if paused, and provide same behaviour on SPICE and
VNC clients on resume (and potentially avoid over-allocating the
buffer queue)

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1444326

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170425130520.31819-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2017-04-25 17:05:20 +04:00 committed by Gerd Hoffmann
parent fa18f36a46
commit 05c6638b20
1 changed files with 4 additions and 0 deletions
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ui/input.c
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@ -411,6 +411,10 @@ void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down)
void qemu_input_event_send_key_delay(uint32_t delay_ms)
{
if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
return;
}
if (!kbd_timer) {
kbd_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, qemu_input_queue_process,
&kbd_queue);