--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/subtree_free.c	Wed Nov 19 20:53:40 2008 +0800
@@ -0,0 +1,50 @@
+#include "mb_redraw_man.h"
+#include "mb_animate.h"
+
+struct _subtree_free {
+    mb_action_t action;
+
+    coord_t *coord;
+};
+
+typedef struct _subtree_free subtree_free_t;
+
+void mb_subtree_free_start(mb_action_t *action,
+			   const mb_timeval_t *now,
+			   const mb_timeval_t *playing_time,
+			   redraw_man_t *rdman) {
+    subtree_free_t *sfree = (subtree_free_t *)action;
+
+    rdman_coord_subtree_free(rdman, sfree->coord);
+}
+
+void mb_subtree_free_step(mb_action_t *act, const mb_timeval_t *now,
+			  redraw_man_t *rdman) {
+}
+
+void mb_subtree_free_stop(mb_action_t *act, const mb_timeval_t *now,
+			  redraw_man_t *rdman) {
+}
+
+void mb_subtree_free_free(mb_action_t *act) {
+    free(act);
+}
+
+mb_action_t *mb_subtree_free_new(coord_t *coord,
+				 mb_word_t *word) {
+    subtree_free_t *sfree;
+
+    sfree = (subtree_free_t *)malloc(sizeof(subtree_free_t));
+    if(sfree == NULL)
+	return NULL;
+
+    sfree->action.start = mb_subtree_free_start;
+    sfree->action.step = mb_subtree_free_step;
+    sfree->action.stop = mb_subtree_free_stop;
+    sfree->action.free = mb_subtree_free_free;
+    sfree->coord = coord;
+
+    mb_word_add_action(word, (mb_action_t *)sfree);
+
+    return (mb_action_t *)sfree;
+}