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 #include <ctype.h>
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate /* Insert a character at (curx, cury). */
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate int
winsch(WINDOW * win,chtype c)51*0Sstevel@tonic-gate winsch(WINDOW *win, chtype c)
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate short curx = win->_curx;
54*0Sstevel@tonic-gate int n, cury = win->_cury;
55*0Sstevel@tonic-gate chtype *wcp, a;
56*0Sstevel@tonic-gate int rv;
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate a = _ATTR(c);
59*0Sstevel@tonic-gate c &= A_CHARTEXT;
60*0Sstevel@tonic-gate
61*0Sstevel@tonic-gate rv = OK;
62*0Sstevel@tonic-gate win->_insmode = TRUE;
63*0Sstevel@tonic-gate if (_scrmax > 1 && (rv = _mbvalid(win)) == ERR)
64*0Sstevel@tonic-gate goto done;
65*0Sstevel@tonic-gate /* take care of multi-byte characters */
66*0Sstevel@tonic-gate if (_mbtrue && ISMBIT(c)) {
67*0Sstevel@tonic-gate rv = _mbaddch(win, A_NORMAL, RBYTE(c));
68*0Sstevel@tonic-gate goto done;
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate win->_nbyte = -1;
71*0Sstevel@tonic-gate curx = win->_curx;
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate /* let waddch() worry about these */
74*0Sstevel@tonic-gate if (c == '\r' || c == '\b')
75*0Sstevel@tonic-gate return (waddch(win, c));
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate /* with \n, in contrast to waddch, we don't clear-to-eol */
78*0Sstevel@tonic-gate if (c == '\n') {
79*0Sstevel@tonic-gate if (cury >= (win->_maxy-1) || cury == win->_bmarg)
80*0Sstevel@tonic-gate return (wscrl(win, 1));
81*0Sstevel@tonic-gate else {
82*0Sstevel@tonic-gate win->_cury++;
83*0Sstevel@tonic-gate win->_curx = 0;
84*0Sstevel@tonic-gate return (OK);
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate /* with tabs or control characters, we have to do more */
89*0Sstevel@tonic-gate if (c == '\t') {
90*0Sstevel@tonic-gate n = (TABSIZE - (curx % TABSIZE));
91*0Sstevel@tonic-gate if ((curx + n) >= win->_maxx)
92*0Sstevel@tonic-gate n = win->_maxx - curx;
93*0Sstevel@tonic-gate c = ' ';
94*0Sstevel@tonic-gate } else {
95*0Sstevel@tonic-gate if (iscntrl((int) c) != 0) {
96*0Sstevel@tonic-gate if (curx >= win->_maxx-1)
97*0Sstevel@tonic-gate return (ERR);
98*0Sstevel@tonic-gate n = 2;
99*0Sstevel@tonic-gate } else
100*0Sstevel@tonic-gate n = 1;
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate /* shift right */
104*0Sstevel@tonic-gate wcp = win->_y[cury] + curx;
105*0Sstevel@tonic-gate if ((rv = _mbinsshift(win, n)) == ERR)
106*0Sstevel@tonic-gate goto done;
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /* insert new control character */
109*0Sstevel@tonic-gate if (c < ' ' || c == _CTRL('?')) {
110*0Sstevel@tonic-gate *wcp++ = '^' | win->_attrs | a;
111*0Sstevel@tonic-gate *wcp = _UNCTRL(c) | win->_attrs | a;
112*0Sstevel@tonic-gate } else {
113*0Sstevel@tonic-gate /* normal characters */
114*0Sstevel@tonic-gate c = _WCHAR(win, c) | a;
115*0Sstevel@tonic-gate for (; n > 0; --n)
116*0Sstevel@tonic-gate *wcp++ = c;
117*0Sstevel@tonic-gate }
118*0Sstevel@tonic-gate
119*0Sstevel@tonic-gate done:
120*0Sstevel@tonic-gate if (curx < win->_firstch[cury])
121*0Sstevel@tonic-gate win->_firstch[cury] = curx;
122*0Sstevel@tonic-gate win->_lastch[cury] = win->_maxx-1;
123*0Sstevel@tonic-gate
124*0Sstevel@tonic-gate win->_flags |= _WINCHANGED;
125*0Sstevel@tonic-gate
126*0Sstevel@tonic-gate if (win->_sync)
127*0Sstevel@tonic-gate wsyncup(win);
128*0Sstevel@tonic-gate
129*0Sstevel@tonic-gate return ((rv == OK && win->_immed) ? wrefresh(win) : rv);
130*0Sstevel@tonic-gate }
131