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kbd-state: don't block auto-repeat events

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20190220100235.20914-1-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2019-02-20 11:02:35 +01:00
parent 2e68b86206
commit 3592186015
1 changed files with 10 additions and 6 deletions
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16
ui/kbd-state.c
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@ -42,14 +42,18 @@ void qkbd_state_key_event(QKbdState *kbd, QKeyCode qcode, bool down)
{
bool state = test_bit(qcode, kbd->keys);
if (state == down) {
if (down == false /* got key-up event */ &&
state == false /* key is not pressed */) {
/*
* Filter out events which don't change the keyboard state.
* Filter out suspicious key-up events.
*
* Most notably this allows to simply send along all key-up
* events, and this function will filter out everything where
* the corresponding key-down event wasn't send to the guest,
* for example due to being a host hotkey.
* This allows simply sending along all key-up events, and
* this function will filter out everything where the
* corresponding key-down event wasn't sent to the guest, for
* example due to being a host hotkey.
*
* Note that key-down events on already pressed keys are *not*
* suspicious, those are keyboard autorepeat events.
*/
return;
}