1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright (c) 1988 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate */
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
27*0Sstevel@tonic-gate
28*0Sstevel@tonic-gate /*LINTLIBRARY*/
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate #include <sys/types.h>
31*0Sstevel@tonic-gate #include "curses_inc.h"
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate int
wmoveprevch(WINDOW * win)34*0Sstevel@tonic-gate wmoveprevch(WINDOW *win)
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate * wmoveprevch --- moves the cursor back to the previous char of char
37*0Sstevel@tonic-gate * cursor is currently on. This is used to move back over a multi-column
38*0Sstevel@tonic-gate * character. When the cursor is on a character at the left-most
39*0Sstevel@tonic-gate * column, the cursor will stay there.
40*0Sstevel@tonic-gate */
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate chtype *_yy;
43*0Sstevel@tonic-gate short x;
44*0Sstevel@tonic-gate
45*0Sstevel@tonic-gate (void) wadjcurspos(win);
46*0Sstevel@tonic-gate x = win->_curx;
47*0Sstevel@tonic-gate if (x == 0) /* Can't back up any more. */
48*0Sstevel@tonic-gate return (ERR);
49*0Sstevel@tonic-gate _yy = win->_y[win->_cury];
50*0Sstevel@tonic-gate --x;
51*0Sstevel@tonic-gate while ((x > 0) && (ISCBIT(_yy[x])))
52*0Sstevel@tonic-gate --x;
53*0Sstevel@tonic-gate win->_curx = x;
54*0Sstevel@tonic-gate win->_flags |= _WINMOVED;
55*0Sstevel@tonic-gate return (win->_immed ? wrefresh(win): OK);
56*0Sstevel@tonic-gate }
57