+ GList *it;
+
+ grab_for_window(screen_support_win, grab);
+ for (it = client_list; it; it = g_list_next(it))
+ grab_for_window(((ObClient*)it->data)->frame->window, grab);
+}
+
+static void reset_chains()
+{
+ if (chain_timer) {
+ timer_stop(chain_timer);
+ chain_timer = NULL;
+ }
+ if (curpos) {
+ curpos = NULL;
+ grab_keys(TRUE);
+ }
+}
+
+static void chain_timeout(void *data)
+{
+ reset_chains();
+}
+
+gboolean kbind(GList *keylist, Action *action)
+{
+ KeyBindingTree *tree, *t;
+ gboolean conflict;
+
+ g_assert(keylist != NULL);
+ g_assert(action != NULL);
+
+ if (!(tree = tree_build(keylist)))
+ return FALSE;
+
+ if ((t = tree_find(tree, &conflict)) != NULL) {
+ /* already bound to something, use the existing tree */
+ tree_destroy(tree);
+ tree = NULL;
+ } else
+ t = tree;
+ while (t->first_child) t = t->first_child;
+
+ if (conflict) {
+ g_message("conflict with binding");
+ tree_destroy(tree);
+ return FALSE;
+ }
+
+ /* set the action */
+ t->actions = g_slist_append(t->actions, action);
+ /* assimilate this built tree into the main tree. assimilation
+ destroys/uses the tree */
+ if (tree) tree_assimilate(tree);
+
+ return TRUE;
+}
+
+static void event(ObEvent *e, void *foo)
+{
+ static KeyBindingTree *grabbed_key = NULL;
+
+ if (e->type == Event_Client_Mapped) {
+ grab_for_window(e->data.c.client->window, TRUE);
+ return;
+ } else if (e->type == Event_Client_Destroy) {
+ grab_for_window(e->data.c.client->window, FALSE);
+ return;
+ }
+
+ if (grabbed_key) {
+ gboolean done = FALSE;
+
+ if ((e->type == Event_X_KeyRelease &&
+ !(grabbed_key->state & e->data.x.e->xkey.state)))
+ done = TRUE;
+ else if (e->type == Event_X_KeyPress) {
+ if (e->data.x.e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
+ done = TRUE;
+ else if (e->data.x.e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE)) {
+ GSList *it;
+ for (it = grabbed_key->actions; it; it = it->next) {
+ Action *act = it->data;
+ act->data.cycle.cancel = TRUE;
+ }
+ done = TRUE;
+ }
+ }
+ if (done) {
+ GSList *it;
+ for (it = grabbed_key->actions; it; it = it->next) {
+ Action *act = it->data;
+ act->data.cycle.final = TRUE;
+ act->func(&act->data);
+ }
+ grabbed_key = NULL;
+ grab_keyboard(FALSE);
+ reset_chains();
+ return;
+ }
+ }
+ if (e->type == Event_X_KeyRelease)
+ return;
+
+ g_assert(e->type == Event_X_KeyPress);
+
+ if (e->data.x.e->xkey.keycode == reset_key &&
+ e->data.x.e->xkey.state == reset_state) {
+ reset_chains();
+ } else {
+ KeyBindingTree *p;
+ if (curpos == NULL)
+ p = firstnode;
+ else
+ p = curpos->first_child;
+ while (p) {
+ if (p->key == e->data.x.e->xkey.keycode &&
+ p->state == e->data.x.e->xkey.state) {
+ if (p->first_child != NULL) { /* part of a chain */
+ if (chain_timer) timer_stop(chain_timer);
+ /* 5 second timeout for chains */
+ chain_timer = timer_start(5000*1000, chain_timeout,
+ NULL);
+ curpos = p;
+ grab_keys(TRUE);
+ } else {
+ GSList *it;
+ for (it = p->actions; it; it = it->next) {
+ Action *act = it->data;
+ if (act->func != NULL) {
+ act->data.any.c = focus_client;
+
+ if (act->func == action_cycle_windows) {
+ act->data.cycle.final = FALSE;
+ act->data.cycle.cancel = FALSE;
+ }
+
+ if (act->func == action_moveresize) {
+ screen_pointer_pos(&act->data.moveresize.x,
+ &act->data.moveresize.y);
+ }
+
+ if (act->func == action_cycle_windows &&
+ !grabbed_key && grab_keyboard(TRUE)) {
+ grabbed_key = p;
+ }
+
+ act->data.any.c = focus_client;
+ act->func(&act->data);
+ }
+ }
+
+ reset_chains();
+ }
+ break;
+ }
+ p = p->next_sibling;
+ }
+ }