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/*
* 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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
int
init_pair(short pair, short f, short b)
{
_Color_pair *ptp; /* pairs table pointer */
/* check the validity of arguments */
if (pair < 1 || pair >= COLOR_PAIRS ||
f < 0 || b < 0 || f >= COLORS || b >= COLORS)
return (ERR);
ptp = cur_term->_pairs_tbl + pair;
/* update the pairs table (if no changes just return) */
if (ptp->foreground == f && ptp->background == b)
return (OK);
ptp->foreground = f;
ptp->background = b;
/* if we are on terminal that cannot define color pairs (Tek) */
/* and "pair" was previously defined, go through the curscr */
/* and erase information from the color field at all positions */
/* that use that color pair (this way when refresh will be */
/* called next time, it will be forced to change the color at */
/* these positions */
if (!initialize_pair) {
if (ptp->init) {
short i, j;
short lin = curscr->_maxy;
chtype **y = curscr->_y;
bool change;
short top = -1;
short bottom = -1;
chtype new_pair = COLOR_PAIR(pair);
/* must use lin=curscr->_maxy rather then LINES, because */
/* LINES could have been decremented by ripoffline() */
for (i = 0; i < lin; i++) {
change = FALSE;
for (j = 0; j < COLS; j++) {
if ((y[i][j] & A_COLOR) == new_pair) {
y[i][j] &= ~A_COLOR;
change = TRUE;
}
if (change) {
(void) wtouchln(_virtscr,
i, 1, -1);
if (top == -1)
top = i;
bottom = i;
curscr->_attrs &= ~A_COLOR;
}
}
if (top != -1) {
_VIRTTOP = top;
_VIRTBOT = bottom;
}
}
}
}
/* on terminals that can initialize color pairs (HP) */
/* send an escape to initialize the new pair */
else
_init_HP_pair(pair, f, b);
/* if that pair has not been previously initialized, it could not */
/* have been used on the screen, so we don't have to do refresh */
if (ptp->init)
(void) wrefresh(_virtscr);
else
ptp->init = TRUE;
return (OK);
}
void
_init_HP_pair(short pair, short f, short b)
{
_Color *ctp = cur_term->_color_tbl; /* color table pointer */
if (initialize_pair)
(void) tputs(tparm_p7(initialize_pair, (long) pair,
(long) ctp[f].r, (long) ctp[f].g, (long) ctp[f].b,
(long) ctp[b].r, (long) ctp[b].g, (long) ctp[b].b),
1, _outch);
}
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