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