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 (c) 1995, by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate * wdelch.c
29*7c478bd9Sstevel@tonic-gate *
30*7c478bd9Sstevel@tonic-gate * XCurses Library
31*7c478bd9Sstevel@tonic-gate *
32*7c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
33*7c478bd9Sstevel@tonic-gate *
34*7c478bd9Sstevel@tonic-gate */
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID
37*7c478bd9Sstevel@tonic-gate #ifndef lint
38*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wdelch.c 1.3 1995/06/21 20:30:59 ant Exp $";
39*7c478bd9Sstevel@tonic-gate #endif
40*7c478bd9Sstevel@tonic-gate #endif
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate #include <private.h>
43*7c478bd9Sstevel@tonic-gate
44*7c478bd9Sstevel@tonic-gate /*f
45*7c478bd9Sstevel@tonic-gate * Delete the character under the cursor; all characters to the right of
46*7c478bd9Sstevel@tonic-gate * the cursor on the same line are moved to the left by one position and
47*7c478bd9Sstevel@tonic-gate * the last character on the line is filled with a blank. The cursor
48*7c478bd9Sstevel@tonic-gate * position does not change.
49*7c478bd9Sstevel@tonic-gate */
50*7c478bd9Sstevel@tonic-gate int
wdelch(w)51*7c478bd9Sstevel@tonic-gate wdelch(w)
52*7c478bd9Sstevel@tonic-gate WINDOW *w;
53*7c478bd9Sstevel@tonic-gate {
54*7c478bd9Sstevel@tonic-gate extern void *memcpy(); /* quiet sparcv9 warning */
55*7c478bd9Sstevel@tonic-gate int next, width, y, x;
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate #ifdef M_CURSES_TRACE
58*7c478bd9Sstevel@tonic-gate __m_trace("wdelch(%p) at (%d,%d)", w, w->_cury, w->_curx);
59*7c478bd9Sstevel@tonic-gate #endif
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate y = w->_cury;
62*7c478bd9Sstevel@tonic-gate x = w->_curx;
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate next = __m_cc_next(w, y, x);
65*7c478bd9Sstevel@tonic-gate x = __m_cc_first(w, y, x);
66*7c478bd9Sstevel@tonic-gate
67*7c478bd9Sstevel@tonic-gate /* Determine the character width to delete. */
68*7c478bd9Sstevel@tonic-gate width = __m_cc_width(&w->_line[y][x]);
69*7c478bd9Sstevel@tonic-gate
70*7c478bd9Sstevel@tonic-gate /* Shift line left to erase the character under the cursor. */
71*7c478bd9Sstevel@tonic-gate (void) memcpy(
72*7c478bd9Sstevel@tonic-gate &w->_line[y][x], &w->_line[y][next],
73*7c478bd9Sstevel@tonic-gate (w->_maxx - next) * sizeof **w->_line
74*7c478bd9Sstevel@tonic-gate );
75*7c478bd9Sstevel@tonic-gate
76*7c478bd9Sstevel@tonic-gate /* Add blank(s) to the end of line based on the width
77*7c478bd9Sstevel@tonic-gate * of the character that was deleted.
78*7c478bd9Sstevel@tonic-gate */
79*7c478bd9Sstevel@tonic-gate (void) __m_cc_erase(w, y, w->_maxx - width, y, w->_maxx - 1);
80*7c478bd9Sstevel@tonic-gate
81*7c478bd9Sstevel@tonic-gate /* Set dity region markers. */
82*7c478bd9Sstevel@tonic-gate if (x < w->_first[y])
83*7c478bd9Sstevel@tonic-gate w->_first[y] = x;
84*7c478bd9Sstevel@tonic-gate w->_last[y] = w->_maxx;
85*7c478bd9Sstevel@tonic-gate
86*7c478bd9Sstevel@tonic-gate WSYNC(w);
87*7c478bd9Sstevel@tonic-gate
88*7c478bd9Sstevel@tonic-gate return __m_return_code("wdelch", WFLUSH(w));
89*7c478bd9Sstevel@tonic-gate }
90