1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
29*7c478bd9Sstevel@tonic-gate
30*7c478bd9Sstevel@tonic-gate /*
31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California
33*7c478bd9Sstevel@tonic-gate * All Rights Reserved
34*7c478bd9Sstevel@tonic-gate *
35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*7c478bd9Sstevel@tonic-gate * contributors.
38*7c478bd9Sstevel@tonic-gate */
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
43*7c478bd9Sstevel@tonic-gate #include "curses_inc.h"
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate /* Change the background of a window. nbkgd : new background. */
46*7c478bd9Sstevel@tonic-gate
47*7c478bd9Sstevel@tonic-gate int
wbkgd(WINDOW * win,chtype nbkgd)48*7c478bd9Sstevel@tonic-gate wbkgd(WINDOW *win, chtype nbkgd)
49*7c478bd9Sstevel@tonic-gate {
50*7c478bd9Sstevel@tonic-gate short maxx;
51*7c478bd9Sstevel@tonic-gate int x, y;
52*7c478bd9Sstevel@tonic-gate chtype *wcp, obkgda, obkgdc, nbkgda,
53*7c478bd9Sstevel@tonic-gate nbkgdc, acolor, c;
54*7c478bd9Sstevel@tonic-gate short *begch, *endch;
55*7c478bd9Sstevel@tonic-gate
56*7c478bd9Sstevel@tonic-gate /* if 'nbkgd' contains color information, but this is not a color */
57*7c478bd9Sstevel@tonic-gate /* terminal, erase that information. */
58*7c478bd9Sstevel@tonic-gate
59*7c478bd9Sstevel@tonic-gate if ((nbkgd & A_COLOR) && (cur_term->_pairs_tbl == NULL))
60*7c478bd9Sstevel@tonic-gate nbkgd &= ~A_COLOR;
61*7c478bd9Sstevel@tonic-gate
62*7c478bd9Sstevel@tonic-gate if (nbkgd == win->_bkgd)
63*7c478bd9Sstevel@tonic-gate return (OK);
64*7c478bd9Sstevel@tonic-gate
65*7c478bd9Sstevel@tonic-gate obkgdc = _CHAR(win->_bkgd);
66*7c478bd9Sstevel@tonic-gate obkgda = _ATTR(win->_bkgd);
67*7c478bd9Sstevel@tonic-gate
68*7c478bd9Sstevel@tonic-gate nbkgdc = _CHAR(nbkgd);
69*7c478bd9Sstevel@tonic-gate nbkgda = _ATTR(nbkgd);
70*7c478bd9Sstevel@tonic-gate
71*7c478bd9Sstevel@tonic-gate /* switch byte order if necessary */
72*7c478bd9Sstevel@tonic-gate if (ISCBIT(nbkgdc))
73*7c478bd9Sstevel@tonic-gate nbkgdc = _CHAR((RBYTE(nbkgdc) << 8) | (LBYTE(nbkgdc)|MBIT)) |
74*7c478bd9Sstevel@tonic-gate CBIT;
75*7c478bd9Sstevel@tonic-gate c = RBYTE(nbkgdc);
76*7c478bd9Sstevel@tonic-gate if ((nbkgdc < ' ' || nbkgdc == _CTRL('?')) ||
77*7c478bd9Sstevel@tonic-gate _curs_scrwidth[TYPE(c)] > 1)
78*7c478bd9Sstevel@tonic-gate nbkgdc = obkgdc;
79*7c478bd9Sstevel@tonic-gate nbkgd = (nbkgdc & ~CBIT) | nbkgda;
80*7c478bd9Sstevel@tonic-gate
81*7c478bd9Sstevel@tonic-gate win->_bkgd = nbkgd;
82*7c478bd9Sstevel@tonic-gate
83*7c478bd9Sstevel@tonic-gate /* delete the old background from the attribute field and replace */
84*7c478bd9Sstevel@tonic-gate /* it with the new background. Note: if the same attribute was */
85*7c478bd9Sstevel@tonic-gate /* first set by wbkgd() and then by wattron(), or vice versa, it */
86*7c478bd9Sstevel@tonic-gate /* will be deleted, so the effect of wattron() will be lost. */
87*7c478bd9Sstevel@tonic-gate /* This applies to both video and color attributes. */
88*7c478bd9Sstevel@tonic-gate
89*7c478bd9Sstevel@tonic-gate if ((acolor = (win->_attrs & A_COLOR)) != 0) {
90*7c478bd9Sstevel@tonic-gate if (acolor == (obkgda & A_COLOR)) {
91*7c478bd9Sstevel@tonic-gate win->_attrs = _ATTR((win->_attrs & ~obkgda) | nbkgda);
92*7c478bd9Sstevel@tonic-gate } else {
93*7c478bd9Sstevel@tonic-gate win->_attrs = _ATTR((win->_attrs &
94*7c478bd9Sstevel@tonic-gate (~obkgda | A_COLOR)) | (nbkgda & ~A_COLOR));
95*7c478bd9Sstevel@tonic-gate }
96*7c478bd9Sstevel@tonic-gate } else
97*7c478bd9Sstevel@tonic-gate win->_attrs = _ATTR((win->_attrs & ~obkgda) | nbkgda);
98*7c478bd9Sstevel@tonic-gate
99*7c478bd9Sstevel@tonic-gate maxx = win->_maxx - 1;
100*7c478bd9Sstevel@tonic-gate begch = win->_firstch;
101*7c478bd9Sstevel@tonic-gate endch = win->_lastch;
102*7c478bd9Sstevel@tonic-gate for (y = win->_maxy-1; y >= 0; --y, ++begch, ++endch) {
103*7c478bd9Sstevel@tonic-gate for (x = maxx, wcp = win->_y[y]; x-- >= 0; ++wcp) {
104*7c478bd9Sstevel@tonic-gate if ((c = _CHAR(*wcp)) == obkgdc)
105*7c478bd9Sstevel@tonic-gate c = nbkgdc;
106*7c478bd9Sstevel@tonic-gate if ((acolor = (*wcp & A_COLOR)) != 0) {
107*7c478bd9Sstevel@tonic-gate if (acolor == (obkgda & A_COLOR))
108*7c478bd9Sstevel@tonic-gate *wcp = c | _ATTR((*wcp & ~obkgda) |
109*7c478bd9Sstevel@tonic-gate nbkgda);
110*7c478bd9Sstevel@tonic-gate else
111*7c478bd9Sstevel@tonic-gate *wcp = c | _ATTR((*wcp & (~obkgda |
112*7c478bd9Sstevel@tonic-gate A_COLOR)) | (nbkgda & ~A_COLOR));
113*7c478bd9Sstevel@tonic-gate } else
114*7c478bd9Sstevel@tonic-gate *wcp = c | _ATTR((*wcp & ~obkgda) | nbkgda);
115*7c478bd9Sstevel@tonic-gate }
116*7c478bd9Sstevel@tonic-gate *begch = 0;
117*7c478bd9Sstevel@tonic-gate *endch = maxx;
118*7c478bd9Sstevel@tonic-gate }
119*7c478bd9Sstevel@tonic-gate
120*7c478bd9Sstevel@tonic-gate win->_flags |= _WINCHANGED;
121*7c478bd9Sstevel@tonic-gate if (win->_sync)
122*7c478bd9Sstevel@tonic-gate wsyncup(win);
123*7c478bd9Sstevel@tonic-gate
124*7c478bd9Sstevel@tonic-gate return (win->_immed ? wrefresh(win) : OK);
125*7c478bd9Sstevel@tonic-gate }
126