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clutter/keymap: Make caps and num lock state properties

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This removes the responsibility of tracking these from the backend to
the base object. The backends are instead responsible for calling the
function to update the values.

For the native backend, it's important that this happens on the correct
thread, so each time either of these states may change, post a idle
callback on the main thread that sets the, at the time of queuing said
callback, up to date state. This means that things on the main thread
will always be able to get a "new enough but not too new" state when
listening on the 'notify::' signals and getting the property value
after.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1739>
This commit is contained in:
Jonas Ådahl
2021-02-23 09:03:35 +01:00
committed by Marge Bot
parent 26912523fa
commit ce3fa3938a
8 changed files with 217 additions and 67 deletions
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54
src/backends/native/meta-keymap-native.c
View File

@ -23,7 +23,9 @@
#include "backends/meta-keymap-utils.h"
#include "backends/native/meta-input-thread.h"
#include "backends/native/meta-seat-impl.h"
#include "backends/native/meta-seat-native.h"
#include "clutter/clutter-keymap-private.h"
static const char *option_xkb_layout = "us";
static const char *option_xkb_variant = "";
@ -53,22 +55,6 @@ meta_keymap_native_finalize (GObject *object)
G_OBJECT_CLASS (meta_keymap_native_parent_class)->finalize (object);
}
static gboolean
meta_keymap_native_get_num_lock_state (ClutterKeymap *keymap)
{
MetaKeymapNative *keymap_native = META_KEYMAP_NATIVE (keymap);
return keymap_native->num_lock;
}
static gboolean
meta_keymap_native_get_caps_lock_state (ClutterKeymap *keymap)
{
MetaKeymapNative *keymap_native = META_KEYMAP_NATIVE (keymap);
return keymap_native->caps_lock;
}
static PangoDirection
meta_keymap_native_get_direction (ClutterKeymap *keymap)
{
@ -83,8 +69,6 @@ meta_keymap_native_class_init (MetaKeymapNativeClass *klass)
object_class->finalize = meta_keymap_native_finalize;
keymap_class->get_num_lock_state = meta_keymap_native_get_num_lock_state;
keymap_class->get_caps_lock_state = meta_keymap_native_get_caps_lock_state;
keymap_class->get_direction = meta_keymap_native_get_direction;
}
@ -123,18 +107,46 @@ meta_keymap_native_get_keyboard_map_in_impl (MetaKeymapNative *keymap)
return keymap->keymap;
}
typedef struct
{
MetaKeymapNative *keymap_native;
gboolean num_lock_state;
gboolean caps_lock_state;
} UpdateLockedModifierStateData;
static gboolean
update_locked_modifier_state_in_main (gpointer user_data)
{
UpdateLockedModifierStateData *data = user_data;
clutter_keymap_set_lock_modifier_state (CLUTTER_KEYMAP (data->keymap_native),
data->caps_lock_state,
data->num_lock_state);
return G_SOURCE_REMOVE;
}
void
meta_keymap_native_update_in_impl (MetaKeymapNative *keymap,
meta_keymap_native_update_in_impl (MetaKeymapNative *keymap_native,
MetaSeatImpl *seat_impl,
struct xkb_state *xkb_state)
{
keymap->num_lock =
UpdateLockedModifierStateData *data;
data = g_new0 (UpdateLockedModifierStateData, 1);
data->keymap_native = keymap_native;
data->num_lock_state =
xkb_state_mod_name_is_active (xkb_state,
XKB_MOD_NAME_NUM,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
keymap->caps_lock =
data->caps_lock_state =
xkb_state_mod_name_is_active (xkb_state,
XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
meta_seat_impl_queue_main_thread_idle (seat_impl,
update_locked_modifier_state_in_main,
data, g_free);
}

1
src/backends/native/meta-keymap-native.h
View File

@ -37,6 +37,7 @@ void meta_keymap_native_set_keyboard_map_in_impl (MetaKeymapNative *keymap,
struct xkb_keymap *xkb_keymap);
struct xkb_keymap * meta_keymap_native_get_keyboard_map_in_impl (MetaKeymapNative *keymap);
void meta_keymap_native_update_in_impl (MetaKeymapNative *keymap,
MetaSeatImpl *seat_impl,
struct xkb_state *xkb_state);
#endif /* META_KEYMAP_NATIVE_H */

17
src/backends/native/meta-seat-impl.c
View File

@ -434,8 +434,9 @@ meta_seat_impl_notify_key_in_impl (MetaSeatImpl *seat_impl,
MetaInputDeviceNative *keyboard_native;
gboolean numlock_active;
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
emit_signal (seat_impl, signals[MODS_STATE_CHANGED], NULL, 0);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
meta_seat_impl_sync_leds_in_impl (seat_impl);
numlock_active =
@ -2646,7 +2647,9 @@ meta_seat_impl_set_keyboard_numlock_in_impl (MetaSeatImpl *seat_impl,
group_mods);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
}
static gpointer
@ -3158,7 +3161,9 @@ meta_seat_impl_update_xkb_state_in_impl (MetaSeatImpl *seat_impl)
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
g_rw_lock_writer_unlock (&seat_impl->state_lock);
}
@ -3319,7 +3324,9 @@ set_keyboard_layout_index (GTask *task)
locked_mods = xkb_state_serialize_mods (state, XKB_STATE_MODS_LOCKED);
xkb_state_update_mask (state, depressed_mods, latched_mods, locked_mods, 0, 0, idx);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
seat_impl->layout_idx = idx;