1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright (c) 1995, by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate * All rights reserved.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * wbkgrnd.c
31*0Sstevel@tonic-gate *
32*0Sstevel@tonic-gate * XCurses Library
33*0Sstevel@tonic-gate *
34*0Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35*0Sstevel@tonic-gate *
36*0Sstevel@tonic-gate */
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate #ifdef M_RCSID
39*0Sstevel@tonic-gate #ifndef lint
40*0Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wbkgrnd.c 1.4 1995/06/21 20:30:57 ant Exp $";
41*0Sstevel@tonic-gate #endif
42*0Sstevel@tonic-gate #endif
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <private.h>
45*0Sstevel@tonic-gate #include <string.h>
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate /*f
48*0Sstevel@tonic-gate * Combine the new background setting with every position in the window.
49*0Sstevel@tonic-gate * The background is any combination of attributes and a character.
50*0Sstevel@tonic-gate * Only the attribute part is used to set the background of non-blank
51*0Sstevel@tonic-gate * characters, while both character and attributes are used for blank
52*0Sstevel@tonic-gate * positions.
53*0Sstevel@tonic-gate */
54*0Sstevel@tonic-gate int
wbkgrnd(w,bg)55*0Sstevel@tonic-gate wbkgrnd(w, bg)
56*0Sstevel@tonic-gate WINDOW *w;
57*0Sstevel@tonic-gate const cchar_t *bg;
58*0Sstevel@tonic-gate {
59*0Sstevel@tonic-gate short y, x;
60*0Sstevel@tonic-gate cchar_t old_bg, *cp;
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate #ifdef M_CURSES_TRACE
63*0Sstevel@tonic-gate __m_trace("wbkgrnd(%p, %p)", w, bg);
64*0Sstevel@tonic-gate #endif
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate old_bg = w->_bg;
67*0Sstevel@tonic-gate w->_bg = *bg;
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate for (y = 0; y < w->_maxy; ++y) {
70*0Sstevel@tonic-gate for (cp = w->_line[y], x = 0; x < w->_maxx; ++x) {
71*0Sstevel@tonic-gate old_bg._f = cp->_f;
72*0Sstevel@tonic-gate if (__m_cc_compare(cp, &w->_bg, 0)) {
73*0Sstevel@tonic-gate /* Replace entire background character. */
74*0Sstevel@tonic-gate *cp = *bg;
75*0Sstevel@tonic-gate } else {
76*0Sstevel@tonic-gate /* Disable old background attributes. */
77*0Sstevel@tonic-gate cp->_at &= ~old_bg._at;
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate /* Enable new background and current
80*0Sstevel@tonic-gate * foreground. The foreground is included
81*0Sstevel@tonic-gate * in case there was overlap with the old
82*0Sstevel@tonic-gate * background and the foreground.
83*0Sstevel@tonic-gate */
84*0Sstevel@tonic-gate cp->_at |= bg->_at | w->_fg._at;
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate /* Mark line as touched. */
89*0Sstevel@tonic-gate w->_first[y] = 0;
90*0Sstevel@tonic-gate w->_last[y] = x;
91*0Sstevel@tonic-gate }
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate WSYNC(w);
94*0Sstevel@tonic-gate
95*0Sstevel@tonic-gate return __m_return_code("wbkgrnd", WFLUSH(w));
96*0Sstevel@tonic-gate }
97