136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1987 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[] = "@(#)addbytes.c 5.4 (Berkeley) 6/1/90";
|
|
#endif /* not lint */
|
|
|
|
# include "curses.ext"
|
|
|
|
/*
|
|
* This routine adds the character to the current position
|
|
*
|
|
*/
|
|
waddbytes(win, bytes, count)
|
|
reg WINDOW *win;
|
|
reg char *bytes;
|
|
reg int count;
|
|
{
|
|
#define SYNCH_OUT() {win->_cury = y; win->_curx = x;}
|
|
#define SYNCH_IN() {y = win->_cury; x = win->_curx;}
|
|
reg int x, y;
|
|
reg int newx;
|
|
|
|
SYNCH_IN();
|
|
# ifdef FULLDEBUG
|
|
fprintf(outf, "ADDBYTES('%c') at (%d, %d)\n", c, y, x);
|
|
# endif
|
|
while (count--) {
|
|
register int c;
|
|
static char blanks[] = " ";
|
|
|
|
c = *bytes++;
|
|
switch (c) {
|
|
case '\t':
|
|
SYNCH_OUT();
|
|
if (waddbytes(win, blanks, 8-(x%8)) == ERR) {
|
|
return ERR;
|
|
}
|
|
SYNCH_IN();
|
|
break;
|
|
|
|
default:
|
|
# ifdef FULLDEBUG
|
|
fprintf(outf, "ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, win->_firstch[y], win->_lastch[y]);
|
|
# endif
|
|
if (win->_flags & _STANDOUT)
|
|
c |= _STANDOUT;
|
|
{
|
|
# ifdef FULLDEBUG
|
|
fprintf(outf, "ADDBYTES(%0.2o, %d, %d)\n", win, y, x);
|
|
# endif
|
|
if (win->_y[y][x] != c) {
|
|
newx = x + win->_ch_off;
|
|
if (win->_firstch[y] == _NOCHANGE) {
|
|
win->_firstch[y] =
|
|
win->_lastch[y] = newx;
|
|
} else if (newx < win->_firstch[y])
|
|
win->_firstch[y] = newx;
|
|
else if (newx > win->_lastch[y])
|
|
win->_lastch[y] = newx;
|
|
# ifdef FULLDEBUG
|
|
fprintf(outf, "ADDBYTES: change gives f/l: %d/%d [%d/%d]\n",
|
|
win->_firstch[y], win->_lastch[y],
|
|
win->_firstch[y] - win->_ch_off,
|
|
win->_lastch[y] - win->_ch_off);
|
|
# endif
|
|
}
|
|
}
|
|
win->_y[y][x++] = c;
|
|
if (x >= win->_maxx) {
|
|
x = 0;
|
|
newline:
|
|
if (++y >= win->_maxy)
|
|
if (win->_scroll) {
|
|
SYNCH_OUT();
|
|
scroll(win);
|
|
SYNCH_IN();
|
|
--y;
|
|
}
|
|
else
|
|
return ERR;
|
|
}
|
|
# ifdef FULLDEBUG
|
|
fprintf(outf, "ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, win->_firstch[y], win->_lastch[y]);
|
|
# endif
|
|
break;
|
|
case '\n':
|
|
SYNCH_OUT();
|
|
wclrtoeol(win);
|
|
SYNCH_IN();
|
|
if (!NONL)
|
|
x = 0;
|
|
goto newline;
|
|
case '\r':
|
|
x = 0;
|
|
break;
|
|
case '\b':
|
|
if (--x < 0)
|
|
x = 0;
|
|
break;
|
|
}
|
|
}
|
|
SYNCH_OUT();
|
|
return OK;
|
|
}
|