views/view: Store signal id

This will be used by next commits

src/gui/views/gcal-view.c

@@ -29,6 +29,16 @@
 
 G_DEFINE_INTERFACE (GcalView, gcal_view, GTK_TYPE_WIDGET)
 
+enum
+{
+  CREATE_EVENT,
+  CREATE_EVENT_DETAILED,
+  EVENT_ACTIVATED,
+  N_SIGNALS,
+};
+
+static guint signals[N_SIGNALS] = { 0, };
+
 static void
 gcal_view_default_init (GcalViewInterface *iface)
 {
@@ -61,7 +71,7 @@ gcal_view_default_init (GcalViewInterface *iface)
    *
    * Emitted when the view wants to create an event.
    */
-  g_signal_new ("create-event",
+  signals[CREATE_EVENT] = g_signal_new ("create-event",
                                         GCAL_TYPE_VIEW,
                                         G_SIGNAL_RUN_LAST,
                                         G_STRUCT_OFFSET (GcalViewInterface, create_event),
@@ -79,7 +89,7 @@ gcal_view_default_init (GcalViewInterface *iface)
    * Emitted when the view wants to create an event and immediately
    * edit it.
    */
-  g_signal_new ("create-event-detailed",
+  signals[CREATE_EVENT_DETAILED] = g_signal_new ("create-event-detailed",
                                                  GCAL_TYPE_VIEW,
                                                  G_SIGNAL_RUN_LAST,
                                                  G_STRUCT_OFFSET (GcalViewInterface, create_event_detailed),
@@ -93,7 +103,7 @@ gcal_view_default_init (GcalViewInterface *iface)
    *
    * Emitted when an event widget inside the view is activated.
    */
-  g_signal_new ("event-activated",
+  signals[EVENT_ACTIVATED] = g_signal_new ("event-activated",
                                            GCAL_TYPE_VIEW,
                                            G_SIGNAL_RUN_LAST,
                                            0, NULL, NULL, NULL,