scrollbuf.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
* 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 1.14 */
#include <stdio.h>
#include <curses.h>
#include "wish.h"
#include "token.h"
#include "winp.h"
#include "fmacs.h"
#include "terror.h"
extern int *acsreadline();
extern void acswputchar();
extern void acsputstring();
extern char *fputstring();
/*
* GROWBUF will increase the scroll buffer by size
*/
void
int size;
{
unsigned oldbuffsize;
if ((Scrollbuf = /* added +1 abs k15 */
Buffoffset = 0;
}
}
}
{
fld->buffoffset = 0;
}
/*
* SYNCBUF will syncronize the window map with the scroll buffer
*/
void
unsigned offset;
int start;
int end;
{
register int i;
else
}
else {
}
}
/*
* CLEARBUF will clear the scroll buffer
*/
void
clearbuf()
{
/*
* clear scroll buffer from current cursor position to end of field
*/
/* actually shrinks scroll buffer... was growbuf(Buffsize) abs k15 */
setarrows();
}
/*
* SHIFTBUF will shift the scroll buffer in the specified direction
*/
void
int direction;
{
switch(direction) {
case UP:
/* end of scroll buffer, see if there is more text */
if (Valptr) {
}
}
else {
}
break;
case DOWN:
break;
case LEFT:
/*
* If this is the last page then there is no "off-screen"
* text to shift.
*/
return;
Bufflast--;
break;
case RIGHT:
/*
* If this is the last page then there is no "off-screen"
* text to shift.
*/
return;
}
setarrows();
}