[frogr] Emit a new 'description-updated' signal from FrogrMainViewModel.

[Mario Sanchez Prada <msanchez src gnome org>]

commit 4892a3d6a0d47e784f47674d2f9356fa567fab22
Author: Mario Sanchez Prada <msanchez igalia com>
Date:   Fri Apr 22 18:47:11 2011 +0200

    Emit a new 'description-updated' signal from FrogrMainViewModel.

 src/frogr-main-view-model.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/frogr-main-view-model.c b/src/frogr-main-view-model.c
index e1f8bfd..5d1a6a3 100644
--- a/src/frogr-main-view-model.c
+++ b/src/frogr-main-view-model.c
@@ -56,6 +56,7 @@ struct _FrogrMainViewModelPrivate
 enum {
   PICTURE_ADDED,
   PICTURE_REMOVED,
+  DESCRIPTION_UPDATED,
   N_SIGNALS
 };
 
@@ -131,6 +132,14 @@ frogr_main_view_model_class_init(FrogrMainViewModelClass *klass)
                   g_cclosure_marshal_VOID__OBJECT,
                   G_TYPE_NONE, 1, FROGR_TYPE_PICTURE);
 
+  signals[DESCRIPTION_UPDATED] =
+    g_signal_new ("description-updated",
+                  G_OBJECT_CLASS_TYPE (klass),
+                  G_SIGNAL_RUN_FIRST,
+                  0, NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
+
   g_type_class_add_private (obj_class, sizeof (FrogrMainViewModelPrivate));
 }
 
@@ -473,4 +482,6 @@ frogr_main_view_model_set_state_description (FrogrMainViewModel *self,
     g_free (priv->state_description);
 
   priv->state_description = g_strdup (description);
+
+  g_signal_emit (self, signals[DESCRIPTION_UPDATED], 0);
 }