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);
}
}
}
