Add a function to get the event type

This is useful for language bindings, who can't easily
access the struct field directly.

https://bugzilla.gnome.org/show_bug.cgi?id=700029

docs/reference/gdk/gdk3-sections.txt

@@ -808,6 +808,7 @@ gdk_event_get_scroll_direction
 gdk_event_get_scroll_deltas
 gdk_event_get_state
 gdk_event_get_time
+gdk_event_get_type
 GdkEventSequence
 gdk_event_get_event_sequence
 gdk_event_request_motions

gdk/gdkevents.c

@@ -2184,3 +2184,21 @@ gdk_setting_get (const gchar *name,
 {
   return gdk_screen_get_setting (gdk_screen_get_default (), name, value);
 }
+
+/**
+ * gdk_event_get_event_type:
+ * @event: a #GdkEvent
+ *
+ * Retrieves the type of the event.
+ *
+ * Return value: a #GdkEventType
+ *
+ * Since: 3.10
+ */
+GdkEventType
+gdk_event_get_event_type (const GdkEvent *event)
+{
+  g_return_val_if_fail (event != NULL, GDK_NOTHING);
+
+  return event->type;
+}

gdk/gdkevents.h

@@ -1289,6 +1289,9 @@ GdkScreen *gdk_event_get_screen         (const GdkEvent  *event);
 GDK_AVAILABLE_IN_3_4
 GdkEventSequence *gdk_event_get_event_sequence (const GdkEvent *event);
 
+GDK_AVAILABLE_IN_3_10
+GdkEventType gdk_event_get_event_type   (const GdkEvent *event);
+
 GDK_AVAILABLE_IN_ALL
 void	  gdk_set_show_events		(gboolean	 show_events);
 GDK_AVAILABLE_IN_ALL