event-widget: add method to pass its internal data

src/gcal-event-widget.c

@@ -677,7 +677,7 @@ gcal_event_widget_new_from_data (GcalEventData *data)
 
   /* summary */
   e_cal_component_get_summary (priv->component, &e_summary);
-  gcal_event_widget_set_summary (event, e_summary.value);
+  gcal_event_widget_set_summary (event, (gchar*) e_summary.value);
 
   /* color */
   color = g_new0 (GdkRGBA, 1);
@@ -887,3 +887,28 @@ gcal_event_widget_get_has_reminders (GcalEventWidget *event)
   g_object_get (event, "has-reminders", &has_reminders, NULL);
   return has_reminders;
 }
+
+/**
+ * gcal_event_widget_get_data:
+ * @event: a #GcalEventWidget instance
+ *
+ * Returns a #GcalEventData with shallows members, meaning the members
+ * are owned but the struct should be freed.
+ *
+ * Returns: (transfer full): a #GcalEventData
+ **/
+GcalEventData*
+gcal_event_widget_get_data (GcalEventWidget *event)
+{
+  GcalEventWidgetPrivate *priv;
+  GcalEventData *data;
+
+  g_return_val_if_fail (GCAL_IS_EVENT_WIDGET (event), NULL);
+  priv = gcal_event_widget_get_instance_private (event);
+
+  data = g_new0 (GcalEventData, 1);
+  data->source = priv->source;
+  data->event_component = priv->component;
+
+  return data;
+}

src/gcal-event-widget.h

@@ -93,6 +93,8 @@ void         gcal_event_widget_set_has_reminders           (GcalEventWidget    *
 
 gboolean     gcal_event_widget_get_has_reminders           (GcalEventWidget    *event);
 
+GcalEventData* gcal_event_widget_get_data                  (GcalEventWidget *event);
+
 G_END_DECLS
 
 #endif /* __GCAL_EVENT_WIDGET_H__ */