add new methods to class

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@167 b9cfdab3-6d41-4d17-bbe4-086880011989

src/widget/frame.c

@@ -28,6 +28,9 @@ MwClassRec MwFrameClassRec = {
     NULL,   /* destroy */
     draw,   /* draw */
     NULL,   /* click */
-    NULL    /* parent_resize */
+    NULL,   /* parent_resize */
+    NULL,   /* mouse_move */
+    NULL,   /* mouse_up */
+    NULL    /* mouse_down */
 };
 MwClass MwFrameClass = &MwFrameClassRec;