}
break;
+ case GDK_KEY_RELEASE:
+ switch (ev->key.keyval) {
+ case GDK_BackSpace:
+ case GDK_Delete:
+ _region.delete_patch_change (this);
+ default:
+ break;
+ }
+ break;
+
case GDK_SCROLL:
if (ev->scroll.direction == GDK_SCROLL_UP) {
_region.step_patch(