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Regions can't be smaller than 2 so don't try to clear them by scrolling if so.

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This commit is contained in:
nicm 2017-05-12 11:19:24 +00:00
parent 7f626c8959
commit 60f7b05c0c
1 changed files with 4 additions and 1 deletions
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5
tty.c
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@ -834,7 +834,10 @@ tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
* If margins are supported, can just scroll the area off to
* clear it.
*/
if (tty_use_margin(tty) && tty_term_has(tty->term, TTYC_INDN)) {
if (nx > 2 &&
ny > 2 &&
tty_use_margin(tty) &&
tty_term_has(tty->term, TTYC_INDN)) {
tty_region(tty, py, py + ny - 1);
tty_margin(tty, px, px + nx - 1);
tty_putcode1(tty, TTYC_INDN, ny);