diff -r 9a5f47fbc5c3 -r 458831c574f4 ui/gtk/button.c
--- a/ui/gtk/button.c	Sat Apr 12 13:44:53 2014 +0200
+++ b/ui/gtk/button.c	Sat May 10 15:43:22 2014 +0200
@@ -33,6 +33,7 @@
 #include "container.h"
 #include "../../ucx/mempool.h"
 #include "../common/context.h"
+#include "../common/object.h"
 
 UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) {
     GtkWidget *button = gtk_button_new_with_label(label);
@@ -74,3 +75,13 @@
     e.intval = event->value;
     event->callback(&e, event->user_data);
 }
+
+void ui_button_toggled(GtkToggleToolButton *widget, UiEventData *event) {
+    UiEvent e;
+    e.obj = event->obj;
+    e.window = event->obj->window;
+    e.document = event->obj->document;
+    e.eventdata = NULL;
+    e.intval = gtk_toggle_tool_button_get_active(widget);
+    event->callback(&e, event->user_data);
+}