xref: /onnv-gate/usr/src/lib/libcurses/screen/wmovenextch.c (revision 0:68f95e015346)
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
wmovenextch(WINDOW * win)34*0Sstevel@tonic-gate wmovenextch(WINDOW *win)
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  * wmovenextch --- moves the cursor forward to the next char of char
37*0Sstevel@tonic-gate  * cursor is currently on.  This is used to move forward over a multi-column
38*0Sstevel@tonic-gate  * character.  When the cursor is on a character at the right-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 	_yy = win->_y[win->_cury];
46*0Sstevel@tonic-gate 	x = win->_curx;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	if (x + 1 > win->_maxx) /* Can't move any more. */
49*0Sstevel@tonic-gate 		return (ERR);
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate 	++x;
52*0Sstevel@tonic-gate 	for (; ; ) {
53*0Sstevel@tonic-gate 		if (x >= win->_maxx) /* No more space.. */
54*0Sstevel@tonic-gate 			return (ERR);
55*0Sstevel@tonic-gate 		if (ISCBIT(_yy[x])) {
56*0Sstevel@tonic-gate 			++x;
57*0Sstevel@tonic-gate 		} else {
58*0Sstevel@tonic-gate 			break;
59*0Sstevel@tonic-gate 		}
60*0Sstevel@tonic-gate 	}
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	win->_curx = x;
63*0Sstevel@tonic-gate 	win->_flags |= _WINMOVED;
64*0Sstevel@tonic-gate 	return (win->_immed ? wrefresh(win): OK);
65*0Sstevel@tonic-gate }
66