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evdev: Don't update xkb state with pressed keys on keymap change

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Doing so is unlikely to work reliably. Instead, switching the keymap
should be done at a time when no key is currently pressed down, but
let's leave that task to higher level code.

This allows us to remove key state tracking at yet another level in
the stack since higher level code likely already tracks this for other
purposes.

https://bugzilla.gnome.org/show_bug.cgi?id=725102
This commit is contained in:
Rui Matos 2014-01-20 13:50:08 +01:00
parent 945ee5764a
commit 2a7d5503d8
1 changed files with 3 additions and 44 deletions
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47
clutter/evdev/clutter-device-manager-evdev.c
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@ -66,7 +66,6 @@ struct _ClutterSeatEvdev
ClutterInputDevice *core_pointer;
ClutterInputDevice *core_keyboard;
GArray *keys;
struct xkb_state *xkb;
xkb_led_index_t caps_lock_led;
xkb_led_index_t num_lock_led;
@ -192,29 +191,6 @@ queue_event (ClutterEvent *event)
_clutter_event_push (event, FALSE);
}
static void
add_key (GArray *keys,
guint32 key)
{
g_array_append_val (keys, key);
}
static void
remove_key (GArray *keys,
guint32 key)
{
unsigned int i;
for (i = 0; i < keys->len; i++)
{
if (g_array_index (keys, guint32, i) == key)
{
g_array_remove_index_fast (keys, i);
return;
}
}
}
static void
clear_repeat_timer (ClutterSeatEvdev *seat)
{
@ -269,14 +245,6 @@ notify_key_device (ClutterInputDevice *input_device,
changed_state = xkb_state_update_key (seat->xkb,
event->key.hardware_keycode,
state ? XKB_KEY_DOWN : XKB_KEY_UP);
if (update_keys)
{
if (state)
add_key (seat->keys, event->key.hardware_keycode);
else
remove_key (seat->keys, event->key.hardware_keycode);
}
}
else
{
@ -700,8 +668,6 @@ clutter_seat_evdev_new (ClutterDeviceManagerEvdev *manager_evdev,
_clutter_device_manager_add_device (manager, device);
seat->core_keyboard = device;
seat->keys = g_array_new (FALSE, FALSE, sizeof (guint32));
ctx = xkb_context_new(0);
g_assert (ctx);
@ -748,7 +714,6 @@ clutter_seat_evdev_free (ClutterSeatEvdev *seat)
g_slist_free (seat->devices);
xkb_state_unref (seat->xkb);
g_array_free (seat->keys, TRUE);
clear_repeat_timer (seat);
@ -1503,7 +1468,9 @@ clutter_evdev_set_open_callback (ClutterOpenDeviceCallback callback,
* @keymap: the new keymap
*
* Instructs @evdev to use the speficied keyboard map. This will cause
* the backend to drop the state and create a new one with the new map.
* the backend to drop the state and create a new one with the new
* map. To avoid state being lost, callers should ensure that no key
* is pressed when calling this function.
*/
void
clutter_evdev_set_keyboard_map (ClutterDeviceManager *evdev,
@ -1513,7 +1480,6 @@ clutter_evdev_set_keyboard_map (ClutterDeviceManager *evdev,
ClutterDeviceManagerEvdevPrivate *priv;
GSList *iter;
ClutterSeatEvdev *seat;
unsigned int i;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
@ -1543,13 +1509,6 @@ clutter_evdev_set_keyboard_map (ClutterDeviceManager *evdev,
seat->num_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_NUM);
seat->scroll_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_SCROLL);
for (i = 0; i < seat->keys->len; i++)
{
xkb_state_update_key (seat->xkb,
g_array_index (seat->keys, guint32, i),
XKB_KEY_DOWN);
}
clutter_seat_evdev_sync_leds (seat);
}
}