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libinput: Only forward first and last press and release for a key

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Keyboard key events will be received from a device where a key has
been pressed, even though an equivalent key has been pressed (same
key code) on a device connected to the same seat. notify_key()
expects to only be called as if there was only one keyboard device
associated with the given seat, so to achieve this, ignore every event
where forwarding it would result in multiple 'pressed' or 'released'
notifications.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Jonas Ådahl 2015-01-30 12:23:00 +08:00 committed by Bryce Harrington
parent e90b9e9b59
commit 90d1ac8d49
1 changed files with 11 additions and 0 deletions
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11
src/libinput-device.c
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@ -59,6 +59,17 @@ handle_keyboard_key(struct libinput_device *libinput_device,
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
int key_state =
libinput_event_keyboard_get_key_state(keyboard_event);
int seat_key_count =
libinput_event_keyboard_get_seat_key_count(keyboard_event);
/* Ignore key events that are not seat wide state changes. */
if ((key_state == LIBINPUT_KEY_STATE_PRESSED &&
seat_key_count != 1) ||
(key_state == LIBINPUT_KEY_STATE_RELEASED &&
seat_key_count != 0))
return;
notify_key(device->seat,
libinput_event_keyboard_get_time(keyboard_event),