[src/trunk]: src/lib/libcurses According to POSIX moving the cursor in curses...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/10e5b3afc282
branches:  trunk
changeset: 836101:10e5b3afc282
user:      kamil <kamil%NetBSD.org@localhost>
date:      Wed Sep 26 18:51:45 2018 +0000

description:
According to POSIX moving the cursor in curses(3) touches the window

Mark the old and new lines as dirty, so they will be refreshed upon next
call to getch(3)-like routine.

This also matches the ncurses behavior.

Reviewed by <roy>

diffstat:

 lib/libcurses/move.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r 99d73b50c22a -r 10e5b3afc282 lib/libcurses/move.c
--- a/lib/libcurses/move.c      Wed Sep 26 18:32:51 2018 +0000
+++ b/lib/libcurses/move.c      Wed Sep 26 18:51:45 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: move.c,v 1.18 2017/01/06 13:53:18 roy Exp $    */
+/*     $NetBSD: move.c,v 1.19 2018/09/26 18:51:45 kamil Exp $  */
 
 /*
  * Copyright (c) 1981, 1993, 1994
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)move.c     8.2 (Berkeley) 5/4/94";
 #else
-__RCSID("$NetBSD: move.c,v 1.18 2017/01/06 13:53:18 roy Exp $");
+__RCSID("$NetBSD: move.c,v 1.19 2018/09/26 18:51:45 kamil Exp $");
 #endif
 #endif                         /* not lint */
 
@@ -72,8 +72,10 @@
                return ERR;
        win->curx = x;
        win->alines[win->cury]->flags &= ~__ISPASTEOL;
+       win->alines[win->cury]->flags |= __ISDIRTY;
        win->cury = y;
        win->alines[y]->flags &= ~__ISPASTEOL;
+       win->alines[y]->flags |= __ISDIRTY;
        return OK;
 }