xref: /onnv-gate/usr/src/lib/libcurses/screen/waddchnstr.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 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #include	<sys/types.h>
45*0Sstevel@tonic-gate #include	"curses_inc.h"
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate  * Add ncols worth of data to win, using string as input.
49*0Sstevel@tonic-gate  * Return the number of chtypes copied.
50*0Sstevel@tonic-gate  */
51*0Sstevel@tonic-gate int
waddchnstr(WINDOW * win,chtype * string,int ncols)52*0Sstevel@tonic-gate waddchnstr(WINDOW *win, chtype *string, int ncols)
53*0Sstevel@tonic-gate {
54*0Sstevel@tonic-gate 	short		my_x = win->_curx;
55*0Sstevel@tonic-gate 	short		my_y = win->_cury;
56*0Sstevel@tonic-gate 	int		remcols;
57*0Sstevel@tonic-gate 	int		b;
58*0Sstevel@tonic-gate 	int		sw;
59*0Sstevel@tonic-gate 	int		ew;
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	if (ncols < 0) {
62*0Sstevel@tonic-gate 		remcols = win->_maxx - my_x;
63*0Sstevel@tonic-gate 		while (*string && remcols) {
64*0Sstevel@tonic-gate 			sw = mbscrw((int)(_CHAR(*string)));
65*0Sstevel@tonic-gate 			ew = mbeucw((int)(_CHAR(*string)));
66*0Sstevel@tonic-gate 			if (remcols < sw)
67*0Sstevel@tonic-gate 				break;
68*0Sstevel@tonic-gate 			for (b = 0; b < ew; b++) {
69*0Sstevel@tonic-gate 				if (waddch(win, *string++) == ERR)
70*0Sstevel@tonic-gate 					goto out;
71*0Sstevel@tonic-gate 			}
72*0Sstevel@tonic-gate 			remcols -= sw;
73*0Sstevel@tonic-gate 		}
74*0Sstevel@tonic-gate 	} else {
75*0Sstevel@tonic-gate 		remcols = win->_maxx - my_x;
76*0Sstevel@tonic-gate 		while ((*string) && (remcols > 0) && (ncols > 0)) {
77*0Sstevel@tonic-gate 			sw = mbscrw((int)(_CHAR(*string)));
78*0Sstevel@tonic-gate 			ew = mbeucw((int)(_CHAR(*string)));
79*0Sstevel@tonic-gate 			if ((remcols < sw) || (ncols < ew))
80*0Sstevel@tonic-gate 				break;
81*0Sstevel@tonic-gate 			for (b = 0; b < ew; b++) {
82*0Sstevel@tonic-gate 				if (waddch(win, *string++) == ERR)
83*0Sstevel@tonic-gate 					goto out;
84*0Sstevel@tonic-gate 			}
85*0Sstevel@tonic-gate 			remcols -= sw;
86*0Sstevel@tonic-gate 			ncols -= ew;
87*0Sstevel@tonic-gate 		}
88*0Sstevel@tonic-gate 	}
89*0Sstevel@tonic-gate out:
90*0Sstevel@tonic-gate 	/* restore cursor position */
91*0Sstevel@tonic-gate 	win->_curx = my_x;
92*0Sstevel@tonic-gate 	win->_cury = my_y;
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	win->_flags |= _WINCHANGED;
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	/* sync with ancestor structures */
97*0Sstevel@tonic-gate 	if (win->_sync)
98*0Sstevel@tonic-gate 		wsyncup(win);
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate 	return (win->_immed ? wrefresh(win) : OK);
101*0Sstevel@tonic-gate }
102