window_set_active_pane
window_set_active_pane(wp->window, wp, 1);
window_set_active_pane(dst_w, src_wp, 1);
window_set_active_pane(w, wp, 1);
if (window_set_active_pane(w, lastwp, 1)) {
else if (window_set_active_pane(w, wp, 1))
window_set_active_pane(src_w, dst_wp, 1);
window_set_active_pane(dst_w, src_wp, 1);
window_set_active_pane(src_w, tmp_wp, 1);
window_set_active_pane(src_w, dst_wp, 1);
window_set_active_pane(dst_w, src_wp, 1);
window_set_active_pane(w, wp, 1);
window_set_active_pane(w, new_wp, 1);
window_set_active_pane(w, wp, 1);
window_set_active_pane(w, sc->wp0, 0);
window_set_active_pane(w, new_wp, 0);
window_set_active_pane(w, new_wp, 1);
int window_set_active_pane(struct window *, struct window_pane *,
window_set_active_pane(wp->window, wp, 0);
window_set_active_pane(w, wp, 1);