+static void handle_msg(const struct msg *);
+static void enqueue_msg(const struct msg *m);
+
+
+static GQueue *message_queue;
+
+void
+message_dialog_init (void)
+{
+ message_queue = g_queue_new();
+ msg_init(enqueue_msg);
+}
+
+
+void
+message_dialog_done (void)
+{
+ msg_done();
+ g_queue_free(message_queue);
+}
+
+static gboolean
+dequeue_message(gpointer data)
+{
+ struct msg * m ;
+
+ /* If a pointer grab is in effect, then the combination of that, and
+ a modal dialog box, will cause an impossible situation.
+ So don't pop it up just yet.
+ */
+ if ( gdk_pointer_is_grabbed())
+ return TRUE;
+
+ m = g_queue_pop_tail(message_queue);
+
+ if ( m )
+ {
+ handle_msg(m);
+ msg_destroy(m);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+enqueue_msg(const struct msg *msg)
+{
+ struct msg *m = msg_dup(msg);
+
+ g_queue_push_head(message_queue, m);
+
+ g_idle_add(dequeue_message, 0);
+}