insch.c revision 1.1.1.2 1 1.1 cgd /*
2 1.1.1.2 cgd * Copyright (c) 1981, 1993, 1994
3 1.1.1.2 cgd * The Regents of the University of California. All rights reserved.
4 1.1 cgd *
5 1.1 cgd * Redistribution and use in source and binary forms, with or without
6 1.1 cgd * modification, are permitted provided that the following conditions
7 1.1 cgd * are met:
8 1.1 cgd * 1. Redistributions of source code must retain the above copyright
9 1.1 cgd * notice, this list of conditions and the following disclaimer.
10 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer in the
12 1.1 cgd * documentation and/or other materials provided with the distribution.
13 1.1 cgd * 3. All advertising materials mentioning features or use of this software
14 1.1 cgd * must display the following acknowledgement:
15 1.1 cgd * This product includes software developed by the University of
16 1.1 cgd * California, Berkeley and its contributors.
17 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
18 1.1 cgd * may be used to endorse or promote products derived from this software
19 1.1 cgd * without specific prior written permission.
20 1.1 cgd *
21 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.1 cgd * SUCH DAMAGE.
32 1.1 cgd */
33 1.1 cgd
34 1.1 cgd #ifndef lint
35 1.1.1.2 cgd static char sccsid[] = "@(#)insch.c 8.2 (Berkeley) 5/4/94";
36 1.1.1.2 cgd #endif /* not lint */
37 1.1 cgd
38 1.1.1.2 cgd #include <string.h>
39 1.1.1.2 cgd
40 1.1.1.2 cgd #include "curses.h"
41 1.1 cgd
42 1.1 cgd /*
43 1.1.1.2 cgd * winsch --
44 1.1.1.2 cgd * Do an insert-char on the line, leaving (cury, curx) unchanged.
45 1.1 cgd */
46 1.1.1.2 cgd int
47 1.1.1.2 cgd winsch(win, ch)
48 1.1.1.2 cgd register WINDOW *win;
49 1.1.1.2 cgd int ch;
50 1.1.1.2 cgd {
51 1.1 cgd
52 1.1.1.2 cgd register __LDATA *end, *temp1, *temp2;
53 1.1 cgd
54 1.1.1.2 cgd end = &win->lines[win->cury]->line[win->curx];
55 1.1.1.2 cgd temp1 = &win->lines[win->cury]->line[win->maxx - 1];
56 1.1 cgd temp2 = temp1 - 1;
57 1.1.1.2 cgd while (temp1 > end) {
58 1.1.1.2 cgd (void)memcpy(temp1, temp2, sizeof(__LDATA));
59 1.1.1.2 cgd temp1--, temp2--;
60 1.1.1.2 cgd }
61 1.1.1.2 cgd temp1->ch = ch;
62 1.1.1.2 cgd temp1->attr &= ~__STANDOUT;
63 1.1.1.2 cgd __touchline(win, win->cury, win->curx, win->maxx - 1, 0);
64 1.1.1.2 cgd if (win->cury == LINES - 1 &&
65 1.1.1.2 cgd (win->lines[LINES - 1]->line[COLS - 1].ch != ' ' ||
66 1.1.1.2 cgd win->lines[LINES -1]->line[COLS - 1].attr != 0))
67 1.1.1.2 cgd if (win->flags & __SCROLLOK) {
68 1.1 cgd wrefresh(win);
69 1.1 cgd scroll(win);
70 1.1.1.2 cgd win->cury--;
71 1.1.1.2 cgd } else
72 1.1.1.2 cgd return (ERR);
73 1.1.1.2 cgd return (OK);
74 1.1 cgd }
75