diff options
Diffstat (limited to 'usr/src/cmd/fmli/qued/scrollbuf.c')
| -rw-r--r-- | usr/src/cmd/fmli/qued/scrollbuf.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/usr/src/cmd/fmli/qued/scrollbuf.c b/usr/src/cmd/fmli/qued/scrollbuf.c deleted file mode 100644 index 0ff6c3958f..0000000000 --- a/usr/src/cmd/fmli/qued/scrollbuf.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * 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 2005 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ -/* All Rights Reserved */ - - -#pragma ident "%Z%%M% %I% %E% SMI" - -#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 -growbuf(size) -int size; -{ - unsigned oldbuffsize; - - oldbuffsize = Buffsize; - if (Scrollbuf == NULL) { - if ((Scrollbuf = /* added +1 abs k15 */ - (chtype *)malloc((size +1) * sizeof(*Scrollbuf))) == NULL) - fatal(NOMEM, ""); - Buffoffset = 0; - Bufflast = size; - } - else if (Buffsize != size) { - if ((Scrollbuf = (chtype *) /* added +1 abs k15 */ - realloc(Scrollbuf, (size +1) * sizeof(*Scrollbuf))) == NULL) - fatal(NOMEM, ""); - } - if ((Buffsize = size) > oldbuffsize) /* initialize new block */ - memset((char *)(Scrollbuf + oldbuffsize), 0, - (Buffsize - oldbuffsize +1) * sizeof(*Scrollbuf)); /* +1 abs k15 */ -} - -int -free_scroll_buf(fld) -ifield *fld; -{ - if (fld->scrollbuf) - free(fld->scrollbuf); - fld->scrollbuf = NULL; - fld->buffsize = 0; - fld->buffoffset = 0; - fld->bufflast = 0; - return (0); -} - -/* - * SYNCBUF will syncronize the window map with the scroll buffer - */ -void -syncbuf(offset, start, end) -unsigned offset; -int start; -int end; -{ - register chtype *currptr; - register int i; - int saverow, savecol; - - saverow = Cfld->currow; - savecol = Cfld->curcol; - if (Scrollbuf == NULL) - growbuf(FIELDBYTES); /* initialize scroll buffer */ - currptr = Scrollbuf + offset; - if (Currtype == SINGLE) { - if ((offset + Cfld->cols) >= Bufflast) - Bufflast = offset + (unsigned)acsreadline(0, currptr, TRUE); - else - acsreadline(0, currptr, FALSE); - } - else { - for (i = start; i <= end; i++, currptr += LINEBYTES) - acsreadline(i, currptr, TRUE); - } - fgo(saverow, savecol); -} - -/* - * CLEARBUF will clear the scroll buffer - */ -void -clearbuf() -{ - /* - * clear scroll buffer from current cursor position to end of field - */ - syncbuf(Buffoffset, 0, Fieldrows - 1); /* added +1 on next line. abs f15 */ - Bufflast = Buffoffset + (Currtype == SINGLE ? Cfld->cols : FIELDBYTES); - /* actually shrinks scroll buffer... was growbuf(Buffsize) abs k15 */ - growbuf(Buffoffset + (Currtype == SINGLE ? Cfld->cols : FIELDBYTES)); - setarrows(); -} - -/* - * SHIFTBUF will shift the scroll buffer in the specified direction - */ -void -shiftbuf(direction) -int direction; -{ - register chtype *sptr; - int startcol, startrow; - int saverow, savecol; - - saverow = Cfld->currow; - savecol = Cfld->curcol; - if (Scrollbuf == NULL) - growbuf(FIELDBYTES); - switch(direction) { - case UP: - if ((startrow = Buffoffset + FIELDBYTES) >= Bufflast) { - /* end of scroll buffer, see if there is more text */ - if (Valptr) { - fgo(LASTROW, 0); - Valptr = (char *) fputstring(Valptr); - } - } - else { - Bufflast -= LINEBYTES; - sptr = Scrollbuf + startrow; - fgo(LASTROW, 0); - acsputstring(sptr); - memshift((char *)sptr, (char *)(sptr + LINEBYTES) - , (Bufflast - startrow) * sizeof(*sptr)); - } - break; - case DOWN: - startrow = Buffoffset + FIELDBYTES; - if ((Bufflast + LINEBYTES) > Buffsize) - growbuf(Buffsize + FIELDBYTES); - sptr = Scrollbuf + startrow; - memshift((char *)(sptr + LINEBYTES), (char *)sptr, - (Bufflast - startrow) * sizeof(*sptr)); - Bufflast += LINEBYTES; - acsreadline(LASTROW, sptr, TRUE); - break; - case LEFT: - /* - * If this is the last page then there is no "off-screen" - * text to shift. - */ - if ((startcol = Buffoffset + Cfld->cols) >= Bufflast) - return; - sptr = Scrollbuf + startcol; - fgo(0, LASTCOL); - acswputchar(*sptr); /* print character shifted in */ - memshift((char *)sptr, (char *)(sptr + 1), - (Bufflast - startcol) * sizeof(*sptr)); - Bufflast--; - break; - case RIGHT: - /* - * If this is the last page then there is no "off-screen" - * text to shift. - */ - if ((startcol = Buffoffset + Cfld->cols) > ++Bufflast) - return; - if (Bufflast >= Buffsize) - growbuf(Buffsize + Cfld->cols); - sptr = Scrollbuf + startcol; - memshift((char *)(sptr + 1), (char *)sptr, - (Bufflast - startcol) * sizeof(*sptr)); - *sptr = acsreadchar(0, LASTCOL); /* character shifted out */ - } - setarrows(); - fgo(saverow, savecol); -} |