74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 1981, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)insch.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* not lint */
|
|
|
|
#include <curses.h>
|
|
#include <string.h>
|
|
|
|
/*
|
|
* winsch --
|
|
* Do an insert-char on the line, leaving (cury, curx) unchanged.
|
|
*/
|
|
int
|
|
winsch(win, ch)
|
|
register WINDOW *win;
|
|
int ch;
|
|
{
|
|
|
|
register __LDATA *end, *temp1, *temp2;
|
|
|
|
end = &win->lines[win->cury]->line[win->curx];
|
|
temp1 = &win->lines[win->cury]->line[win->maxx - 1];
|
|
temp2 = temp1 - 1;
|
|
while (temp1 > end) {
|
|
(void)memcpy(temp1, temp2, sizeof(__LDATA));
|
|
temp1--, temp2--;
|
|
}
|
|
temp1->ch = ch;
|
|
temp1->attr &= ~__STANDOUT;
|
|
__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
|
|
if (win->cury == LINES - 1 &&
|
|
(win->lines[LINES - 1]->line[COLS - 1].ch != ' ' ||
|
|
win->lines[LINES -1]->line[COLS - 1].attr != 0))
|
|
if (win->flags & __SCROLLOK) {
|
|
wrefresh(win);
|
|
scroll(win);
|
|
win->cury--;
|
|
} else
|
|
return (ERR);
|
|
return (OK);
|
|
}
|