1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
29*7c478bd9Sstevel@tonic-gate
30*7c478bd9Sstevel@tonic-gate /*
31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California
33*7c478bd9Sstevel@tonic-gate * All Rights Reserved
34*7c478bd9Sstevel@tonic-gate *
35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*7c478bd9Sstevel@tonic-gate * contributors.
38*7c478bd9Sstevel@tonic-gate */
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
43*7c478bd9Sstevel@tonic-gate #include "curses_inc.h"
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate /*
46*7c478bd9Sstevel@tonic-gate * This routine performs a delete-char on the line,
47*7c478bd9Sstevel@tonic-gate * leaving (_cury, _curx) unchanged.
48*7c478bd9Sstevel@tonic-gate */
49*7c478bd9Sstevel@tonic-gate
50*7c478bd9Sstevel@tonic-gate int
wdelch(WINDOW * win)51*7c478bd9Sstevel@tonic-gate wdelch(WINDOW *win)
52*7c478bd9Sstevel@tonic-gate {
53*7c478bd9Sstevel@tonic-gate chtype *temp1, *temp2;
54*7c478bd9Sstevel@tonic-gate chtype *end;
55*7c478bd9Sstevel@tonic-gate int cury = win->_cury;
56*7c478bd9Sstevel@tonic-gate short curx = win->_curx;
57*7c478bd9Sstevel@tonic-gate chtype *cp;
58*7c478bd9Sstevel@tonic-gate int s;
59*7c478bd9Sstevel@tonic-gate
60*7c478bd9Sstevel@tonic-gate end = &win->_y[cury][win->_maxx - 1];
61*7c478bd9Sstevel@tonic-gate temp2 = &win->_y[cury][curx + 1];
62*7c478bd9Sstevel@tonic-gate temp1 = temp2 - 1;
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate s = 1;
65*7c478bd9Sstevel@tonic-gate win->_nbyte = -1;
66*7c478bd9Sstevel@tonic-gate if (_scrmax > 1) {
67*7c478bd9Sstevel@tonic-gate if (ISMBIT(*temp1)) {
68*7c478bd9Sstevel@tonic-gate win->_insmode = TRUE;
69*7c478bd9Sstevel@tonic-gate if (_mbvalid(win) == ERR)
70*7c478bd9Sstevel@tonic-gate return (ERR);
71*7c478bd9Sstevel@tonic-gate curx = win->_curx;
72*7c478bd9Sstevel@tonic-gate temp1 = &win->_y[cury][curx];
73*7c478bd9Sstevel@tonic-gate }
74*7c478bd9Sstevel@tonic-gate if (ISMBIT(*end)) {
75*7c478bd9Sstevel@tonic-gate for (cp = end; cp >= temp1; --cp)
76*7c478bd9Sstevel@tonic-gate if (!ISCBIT(*cp))
77*7c478bd9Sstevel@tonic-gate break;
78*7c478bd9Sstevel@tonic-gate if (cp + _curs_scrwidth[TYPE(*cp)] > end+1)
79*7c478bd9Sstevel@tonic-gate end = cp - 1;
80*7c478bd9Sstevel@tonic-gate }
81*7c478bd9Sstevel@tonic-gate if (ISMBIT(*temp1))
82*7c478bd9Sstevel@tonic-gate s = _curs_scrwidth[TYPE(RBYTE(*temp1))];
83*7c478bd9Sstevel@tonic-gate end -= s - 1;
84*7c478bd9Sstevel@tonic-gate temp2 = &win->_y[cury][curx+s];
85*7c478bd9Sstevel@tonic-gate }
86*7c478bd9Sstevel@tonic-gate
87*7c478bd9Sstevel@tonic-gate while (temp1 < end)
88*7c478bd9Sstevel@tonic-gate *temp1++ = *temp2++;
89*7c478bd9Sstevel@tonic-gate
90*7c478bd9Sstevel@tonic-gate while (s--)
91*7c478bd9Sstevel@tonic-gate *temp1++ = win->_bkgd;
92*7c478bd9Sstevel@tonic-gate
93*7c478bd9Sstevel@tonic-gate #ifdef _VR3_COMPAT_CODE
94*7c478bd9Sstevel@tonic-gate if (_y16update)
95*7c478bd9Sstevel@tonic-gate (*_y16update)(win, 1, win->_maxx - curx, cury, curx);
96*7c478bd9Sstevel@tonic-gate #endif /* _VR3_COMPAT_CODE */
97*7c478bd9Sstevel@tonic-gate
98*7c478bd9Sstevel@tonic-gate win->_lastch[cury] = win->_maxx - 1;
99*7c478bd9Sstevel@tonic-gate if (win->_firstch[cury] > curx)
100*7c478bd9Sstevel@tonic-gate win->_firstch[cury] = curx;
101*7c478bd9Sstevel@tonic-gate
102*7c478bd9Sstevel@tonic-gate win->_flags |= _WINCHANGED;
103*7c478bd9Sstevel@tonic-gate
104*7c478bd9Sstevel@tonic-gate if (win->_sync)
105*7c478bd9Sstevel@tonic-gate wsyncup(win);
106*7c478bd9Sstevel@tonic-gate
107*7c478bd9Sstevel@tonic-gate return (win->_immed ? wrefresh(win) : OK);
108*7c478bd9Sstevel@tonic-gate }
109