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 * This routine performs a delete-char on the line,
49*0Sstevel@tonic-gate * leaving (_cury, _curx) unchanged.
50*0Sstevel@tonic-gate */
51*0Sstevel@tonic-gate
52*0Sstevel@tonic-gate int
wdelch(WINDOW * win)53*0Sstevel@tonic-gate wdelch(WINDOW *win)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate chtype *temp1, *temp2;
56*0Sstevel@tonic-gate chtype *end;
57*0Sstevel@tonic-gate int cury = win->_cury;
58*0Sstevel@tonic-gate short curx = win->_curx;
59*0Sstevel@tonic-gate chtype *cp;
60*0Sstevel@tonic-gate int s;
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate end = &win->_y[cury][win->_maxx - 1];
63*0Sstevel@tonic-gate temp2 = &win->_y[cury][curx + 1];
64*0Sstevel@tonic-gate temp1 = temp2 - 1;
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate s = 1;
67*0Sstevel@tonic-gate win->_nbyte = -1;
68*0Sstevel@tonic-gate if (_scrmax > 1) {
69*0Sstevel@tonic-gate if (ISMBIT(*temp1)) {
70*0Sstevel@tonic-gate win->_insmode = TRUE;
71*0Sstevel@tonic-gate if (_mbvalid(win) == ERR)
72*0Sstevel@tonic-gate return (ERR);
73*0Sstevel@tonic-gate curx = win->_curx;
74*0Sstevel@tonic-gate temp1 = &win->_y[cury][curx];
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate if (ISMBIT(*end)) {
77*0Sstevel@tonic-gate for (cp = end; cp >= temp1; --cp)
78*0Sstevel@tonic-gate if (!ISCBIT(*cp))
79*0Sstevel@tonic-gate break;
80*0Sstevel@tonic-gate if (cp + _curs_scrwidth[TYPE(*cp)] > end+1)
81*0Sstevel@tonic-gate end = cp - 1;
82*0Sstevel@tonic-gate }
83*0Sstevel@tonic-gate if (ISMBIT(*temp1))
84*0Sstevel@tonic-gate s = _curs_scrwidth[TYPE(RBYTE(*temp1))];
85*0Sstevel@tonic-gate end -= s - 1;
86*0Sstevel@tonic-gate temp2 = &win->_y[cury][curx+s];
87*0Sstevel@tonic-gate }
88*0Sstevel@tonic-gate
89*0Sstevel@tonic-gate while (temp1 < end)
90*0Sstevel@tonic-gate *temp1++ = *temp2++;
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate while (s--)
93*0Sstevel@tonic-gate *temp1++ = win->_bkgd;
94*0Sstevel@tonic-gate
95*0Sstevel@tonic-gate #ifdef _VR3_COMPAT_CODE
96*0Sstevel@tonic-gate if (_y16update)
97*0Sstevel@tonic-gate (*_y16update)(win, 1, win->_maxx - curx, cury, curx);
98*0Sstevel@tonic-gate #endif /* _VR3_COMPAT_CODE */
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate win->_lastch[cury] = win->_maxx - 1;
101*0Sstevel@tonic-gate if (win->_firstch[cury] > curx)
102*0Sstevel@tonic-gate win->_firstch[cury] = curx;
103*0Sstevel@tonic-gate
104*0Sstevel@tonic-gate win->_flags |= _WINCHANGED;
105*0Sstevel@tonic-gate
106*0Sstevel@tonic-gate if (win->_sync)
107*0Sstevel@tonic-gate wsyncup(win);
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate return (win->_immed ? wrefresh(win) : OK);
110*0Sstevel@tonic-gate }
111