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evdev: Ignore non seat wide keyboard key events

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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.

https://bugzilla.gnome.org/show_bug.cgi?id=743615
This commit is contained in:
Jonas Ådahl 2015-01-28 12:11:34 +08:00
parent 145d11227a
commit 32ce45aa89
1 changed files with 11 additions and 1 deletions
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12
clutter/evdev/clutter-device-manager-evdev.c
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@ -1116,7 +1116,7 @@ process_device_event (ClutterDeviceManagerEvdev *manager_evdev,
{
case LIBINPUT_EVENT_KEYBOARD_KEY:
{
guint32 time, key, key_state;
guint32 time, key, key_state, seat_key_count;
struct libinput_event_keyboard *key_event =
libinput_event_get_keyboard_event (event);
device = libinput_device_get_user_data (libinput_device);
@ -1125,6 +1125,16 @@ process_device_event (ClutterDeviceManagerEvdev *manager_evdev,
key = libinput_event_keyboard_get_key (key_event);
key_state = libinput_event_keyboard_get_key_state (key_event) ==
LIBINPUT_KEY_STATE_PRESSED;
seat_key_count =
libinput_event_keyboard_get_seat_key_count (key_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))
break;
notify_key_device (device, time, key, key_state, TRUE);
break;