backends/native: Forward keyboard a11y changes via the MetaSeatImpl

These changes will happen in the input event management code, so let them
be emitted via the MetaSeatImpl, as that's what we'll have neat access to.
The ClutterSeat signals are now emitted from there.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/backends/native/meta-seat-impl.c b/src/backends/native/meta-seat-impl.c
index f3eb6efe1..a8ee3fc2a 100644
--- a/src/backends/native/meta-seat-impl.c
+++ b/src/backends/native/meta-seat-impl.c
@@ -106,6 +106,15 @@ enum
 
 static GParamSpec *props[N_PROPS] = { NULL };
 
+enum
+{
+  KBD_A11Y_FLAGS_CHANGED,
+  KBD_A11Y_MODS_STATE_CHANGED,
+  N_SIGNALS
+};
+
+static guint signals[N_SIGNALS] = { 0 };
+
 G_DEFINE_TYPE (MetaSeatImpl, meta_seat_impl, G_TYPE_OBJECT)
 
 static void process_events (MetaSeatImpl *seat_impl);
@@ -2700,6 +2709,21 @@ meta_seat_impl_class_init (MetaSeatImplClass *klass)
                          G_PARAM_READWRITE |
                          G_PARAM_CONSTRUCT_ONLY);
 
+  signals[KBD_A11Y_FLAGS_CHANGED] =
+    g_signal_new ("kbd-a11y-flags-changed",
+                  G_TYPE_FROM_CLASS (object_class),
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 2,
+                  G_TYPE_UINT, G_TYPE_UINT);
+  signals[KBD_A11Y_MODS_STATE_CHANGED] =
+    g_signal_new ("kbd-a11y-mods-state-changed",
+                  G_TYPE_FROM_CLASS (object_class),
+                  G_SIGNAL_RUN_LAST,
+                  0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 2,
+                  G_TYPE_UINT, G_TYPE_UINT);
+
   g_object_class_install_properties (object_class, N_PROPS, props);
 }
 
@@ -3020,3 +3044,21 @@ meta_seat_impl_new (MetaSeatNative *seat_native,
                        "seat-id", seat_id,
                        NULL);
 }
+
+void
+meta_seat_impl_notify_kbd_a11y_flags_changed (MetaSeatImpl          *seat_impl,
+                                              MetaKeyboardA11yFlags  new_flags,
+                                              MetaKeyboardA11yFlags  what_changed)
+{
+  g_signal_emit (seat_impl, signals[KBD_A11Y_FLAGS_CHANGED], 0,
+                 new_flags, what_changed);
+}
+
+void
+meta_seat_impl_notify_kbd_a11y_mods_state_changed (MetaSeatImpl   *seat_impl,
+                                                   xkb_mod_mask_t  new_latched_mods,
+                                                   xkb_mod_mask_t  new_locked_mods)
+{
+  g_signal_emit (seat_impl, signals[KBD_A11Y_MODS_STATE_CHANGED], 0,
+                 new_latched_mods, new_locked_mods);
+}