diff -urN cui3/cui.c cui4/cui.c
--- cui3/cui.c	Thu Jan 30 03:30:00 2014
+++ cui4/cui.c	Thu Jan 30 03:40:00 2014
@@ -27,6 +27,7 @@
 	obj->h = h;
 
 	if(parent) cui_base_child_add(parent, obj);
+	obj->handler_list = NULL;
 }
 
 void
@@ -79,6 +80,25 @@
 {
 	cui_label_init(obj, parent, x, y, s);
 	obj->w += 2;
+}
+
+cui_handler_list
+cui_handler_list_new(cui_handler hdr, int evt, void *prm, cui_handler_list next)
+{
+	cui_handler_list list;
+	
+	if((list = malloc(sizeof(struct cui_handler_list))) == NULL) ERR("No Mem");
+	list->hdr = hdr;
+	list->evt = evt;
+	list->prm = prm;
+	list->next = next;
+	return list;
+}
+
+void
+cui_bind(cui obj, int evt, cui_handler hdr, void *prm)
+{
+	obj->handler_list = cui_handler_list_new(hdr, evt, prm, obj->handler_list);
 }
 
 /* EOF */
diff -urN cui3/cui.h cui4/cui.h
--- cui3/cui.h	Thu Jan 30 03:30:00 2014
+++ cui4/cui.h	Thu Jan 30 03:40:00 2014
@@ -3,9 +3,25 @@
 
 typedef struct cui_base *cui;
 
+#define CUI_EVT_KEY		(1<<0)
+#define CUI_EVT_DRAW		(1<<1)
+#define CUI_EVT_BUTTON		(1<<2)
+
+typedef void (*cui_handler)(cui obj, int evt, void *prm);
+
+typedef struct cui_handler_list *cui_handler_list;
+
+struct cui_handler_list{
+	cui_handler hdr;
+	int evt;
+	void *prm;
+	cui_handler_list next;
+};
+
 struct cui_base{
 	cui parent, children, next;
 	int x, y, w, h;
+	cui_handler_list handler_list;
 };	
 
 typedef struct cui_panel{