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backend: Add API to get layout group

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Add API to get the layout group (layout index) currently active. In the
native backend this is done by fetching the state directly from the
evdev backend; on X11 this works by listening for XkbStateNotify
events, caching the layout group value.

https://bugzilla.gnome.org/show_bug.cgi?id=786408
This commit is contained in:
Jonas Ådahl
2017-08-17 17:01:50 +08:00
parent 5685449e15
commit 33f1706634
4 changed files with 58 additions and 1 deletions
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9
src/backends/native/meta-backend-native.c
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@@ -507,6 +507,14 @@ meta_backend_native_get_keymap (MetaBackend *backend)
return clutter_evdev_get_keyboard_map (manager);
}
static xkb_layout_index_t
meta_backend_native_get_keymap_layout_group (MetaBackend *backend)
{
ClutterDeviceManager *manager = clutter_device_manager_get_default ();
return clutter_evdev_get_keyboard_layout_index (manager);
}
static void
meta_backend_native_lock_layout_group (MetaBackend *backend,
guint idx)
@@ -579,6 +587,7 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
backend_class->set_keymap = meta_backend_native_set_keymap;
backend_class->get_keymap = meta_backend_native_get_keymap;
backend_class->get_keymap_layout_group = meta_backend_native_get_keymap_layout_group;
backend_class->lock_layout_group = meta_backend_native_lock_layout_group;
backend_class->get_relative_motion_deltas = meta_backend_native_get_relative_motion_deltas;
backend_class->update_screen_size = meta_backend_native_update_screen_size;