[gtk+] wayland: Emit ::direction-changed when appropriate

[Matthias Clasen <matthiasc src gnome org>]

commit 246f32a58d45febee12d8441702530090d52e6ab
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 3 23:52:52 2013 -0400

    wayland: Emit ::direction-changed when appropriate
    
    We always emit direction-changed when we get a new keymap, but
    for state changes, we compare old and new direction and only
    emit the signal when the direction actually changes.

 gdk/wayland/gdkdevice-wayland.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkdevice-wayland.c b/gdk/wayland/gdkdevice-wayland.c
index 74dd5d5..cd7e5e3 100644
--- a/gdk/wayland/gdkdevice-wayland.c
+++ b/gdk/wayland/gdkdevice-wayland.c
@@ -829,6 +829,7 @@ keyboard_handle_keymap (void               *data,
 
   g_signal_emit_by_name (device->keymap, "keys-changed");
   g_signal_emit_by_name (device->keymap, "state-changed");
+  g_signal_emit_by_name (device->keymap, "direction-changed");
 }
 
 static void
@@ -1122,14 +1123,18 @@ keyboard_handle_modifiers (void               *data,
   GdkWaylandDeviceData *device = data;
   GdkKeymap *keymap;
   struct xkb_state *xkb_state;
+  PangoDirection direction;
 
   keymap = device->keymap;
+  direction = gdk_keymap_get_direction (keymap);
   xkb_state = _gdk_wayland_keymap_get_xkb_state (keymap);
   device->modifiers = mods_depressed | mods_latched | mods_locked;
 
   xkb_state_update_mask (xkb_state, mods_depressed, mods_latched, mods_locked, group, 0, 0);
 
   g_signal_emit_by_name (keymap, "state-changed");
+  if (direction != gdk_keymap_get_direction (keymap))
+    g_signal_emit_by_name (keymap, "direction-changed");
 }
 
 static const struct wl_pointer_listener pointer_listener = {