void update_panels(void) { PANEL *p; /* * For each panel tell panels above it they need to refresh * regions that overlap (are above) this panel. This ensures * that even if a panel below was touched, it's still * overwritten by a panel above. * * Note that we also need to do this during "destructive" * operations (hide, move, replace window - which see). */ FOREACH_PANEL (p) { PANEL *above = p; while ((above = PANEL_ABOVE(above)) != NULL) { touchoverlap(p->win, above->win); } } /* * This is what effects Z-order: the window updated later * overwrites contents of the windows below (before) it. */ FOREACH_PANEL (p) { wnoutrefresh(p->win); } }
int move_panel(PANEL *p, int y, int x) { int oldy, oldx; if (__predict_false(p == NULL)) return ERR; getbegyx(p->win, oldy, oldx); if (__predict_false(y == oldy && x == oldx)) return OK; if (!PANEL_HIDDEN(p)) { PANEL *other; /* touch exposed areas at the old location now */ FOREACH_PANEL (other) { if (other != p) { touchoverlap(p->win, other->win); } } }