+ } else if (self->transient && self->group)
+ target = OB_TRAN_GROUP;
+
+ client_update_transient_tree(self, self->group, self->group,
+ self->transient_for, target);
+ self->transient_for = target;
+
+}
+
+static void client_update_transient_tree(ObClient *self,
+ ObGroup *oldgroup, ObGroup *newgroup,
+ ObClient* oldparent,
+ ObClient *newparent)
+{
+ GSList *it, *next;
+ ObClient *c;
+
+ /* * *
+ Group transient windows are not allowed to have other group
+ transient windows as their children.
+ * * */
+
+
+ /* No change has occured */
+ if (oldgroup == newgroup && oldparent == newparent) return;
+
+ /** Remove the client from the transient tree wherever it has changed **/
+
+ /* If the window is becoming a direct transient for a window in its group
+ then any group transients which were our children and are now becoming
+ our parents need to stop being our children.
+
+ Group transients can't be children of group transients already, but
+ we could have any number of direct parents above up, any of which could
+ be transient for the group, and we need to remove it from our children.
+ */
+ if (oldparent != newparent &&
+ newparent != NULL && newparent != OB_TRAN_GROUP &&
+ newgroup != NULL && newgroup == oldgroup)
+ {
+ ObClient *look = newparent;
+ do {
+ self->transients = g_slist_remove(self->transients, look);
+ look = look->transient_for;
+ } while (look != NULL && look != OB_TRAN_GROUP);
+ }
+
+
+ /* If the group changed, or if we are just becoming transient for the
+ group, then we need to remove any old group transient windows
+ from our children. But if we were already transient for the group, then
+ other group transients are not our children. */
+ if ((oldgroup != newgroup ||
+ (newparent == OB_TRAN_GROUP && oldparent != newparent)) &&
+ oldgroup != NULL && oldparent != OB_TRAN_GROUP)
+ {
+ for (it = self->transients; it; it = next) {
+ next = g_slist_next(it);
+ c = it->data;
+ if (c->group == oldgroup)
+ self->transients = g_slist_delete_link(self->transients, it);