editmulti.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1985 AT&T
* All Rights Reserved
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
#include <ctype.h>
#include <stdio.h>
#include <curses.h>
#include "token.h"
#include "winp.h"
#include "fmacs.h"
#include "wish.h"
editmulti(tok)
token tok;
{
register token rettok;
register int row, col;
int wrapcol;
row = Cfld->currow;
col = Cfld->curcol;
rettok = TOK_NOP;
switch(tok) {
case TOK_UP:
if (row == 0)
rettok = TOK_UP;
else
row--;
break;
case TOK_DOWN:
if (row == LASTROW)
rettok = TOK_DOWN;
else
row++;
break;
case TOK_RETURN:
case TOK_ENTER:
if (row == LASTROW)
rettok = TOK_RETURN;
else {
row++;
col = 0;
}
break;
case TOK_BACKSPACE:
/* reposition cursor for further backspaces or erases */
if (row == 0)
rettok = tok;
else {
fgo(--row, col = LASTCOL);
fputchar(' ');
}
break;
case TOK_WRAP:
if (row == LASTROW)
rettok = tok;
else if (Flags & I_WRAP) {
if ((wrapcol = do_wrap()) < 0) {
wrapcol = 0;
beep();
}
if (col == LASTCOL) { /* if cursor on last col */
col = wrapcol;
row++;
}
}
else if (col == LASTCOL) {
row++;
col = 0;
}
else
beep();
break;
default:
rettok = tok;
}
fgo(row, col);
return(rettok);
}