+focus_prev(struct ws_win *win)
+{
+ struct ws_win *winfocus = NULL, *winlostfocus = NULL;
+ struct ws_win *cur_focus = NULL;
+ struct ws_win_list *wl = NULL;
+ struct workspace *ws = NULL;
+
+ DNPRINTF(SWM_D_FOCUS, "focus_prev: id %lu\n", WINID(win));
+
+ if (!(win && win->ws))
+ return;
+
+ ws = win->ws;
+ wl = &ws->winlist;
+ cur_focus = ws->focus;
+ winlostfocus = cur_focus;
+
+ /* pickle, just focus on whatever */
+ if (cur_focus == NULL) {
+ /* use prev_focus if valid */
+ if (ws->focus_prev && ws->focus_prev != cur_focus &&
+ find_window(WINID(ws->focus_prev)))
+ winfocus = ws->focus_prev;
+ if (winfocus == NULL)
+ winfocus = TAILQ_FIRST(wl);
+ goto done;
+ }
+
+ /* if transient focus on parent */
+ if (cur_focus->transient) {
+ winfocus = find_window(cur_focus->transient);
+ goto done;
+ }
+
+ /* if in max_stack try harder */
+ /* XXX needs more love */
+ if (ws->cur_layout->flags & SWM_L_FOCUSPREV) {
+ if (cur_focus != ws->focus_prev)
+ winfocus = ws->focus_prev;
+ else if (cur_focus != ws->focus)
+ winfocus = ws->focus;
+ goto done;
+ }
+
+ if (cur_focus == win)
+ winfocus = TAILQ_PREV(win, ws_win_list, entry);
+ if (winfocus == NULL)
+ winfocus = TAILQ_FIRST(wl);
+ if (winfocus == NULL || winfocus == win)
+ winfocus = TAILQ_NEXT(cur_focus, entry);
+done:
+ if (winfocus == winlostfocus || winfocus == NULL)
+ return;
+ focus_magic(winfocus, SWM_F_GENERIC);
+}
+
+void