83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/* $NetBSD: insch.c,v 1.10 1998/08/19 00:20:59 thorpej Exp $ */
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/*
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* Copyright (c) 1981, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)insch.c 8.2 (Berkeley) 5/4/94";
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#else
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__RCSID("$NetBSD: insch.c,v 1.10 1998/08/19 00:20:59 thorpej Exp $");
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#endif
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#endif /* not lint */
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#include <string.h>
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#include "curses.h"
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/*
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* winsch --
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* Do an insert-char on the line, leaving (cury, curx) unchanged.
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*/
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int
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winsch(win, ch)
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WINDOW *win;
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int ch;
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{
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__LDATA *end, *temp1, *temp2;
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end = &win->lines[win->cury]->line[win->curx];
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temp1 = &win->lines[win->cury]->line[win->maxx - 1];
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temp2 = temp1 - 1;
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while (temp1 > end) {
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(void)memcpy(temp1, temp2, sizeof(__LDATA));
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temp1--, temp2--;
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}
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temp1->ch = ch;
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temp1->attr &= ~__STANDOUT;
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__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
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if (win->cury == LINES - 1 &&
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(win->lines[LINES - 1]->line[COLS - 1].ch != ' ' ||
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win->lines[LINES -1]->line[COLS - 1].attr != 0)) {
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if (win->flags & __SCROLLOK) {
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wrefresh(win);
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scroll(win);
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win->cury--;
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} else
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return (ERR);
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}
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return (OK);
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}
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