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 /* 28 * wbkgrnd.c 29 * 30 * XCurses Library 31 * 32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 33 * 34 */ 35 36 #ifdef M_RCSID 37 #ifndef lint 38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wbkgrnd.c 1.4 1995/06/21 20:30:57 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 #include <string.h> 44 45 /*f 46 * Combine the new background setting with every position in the window. 47 * The background is any combination of attributes and a character. 48 * Only the attribute part is used to set the background of non-blank 49 * characters, while both character and attributes are used for blank 50 * positions. 51 */ 52 int 53 wbkgrnd(w, bg) 54 WINDOW *w; 55 const cchar_t *bg; 56 { 57 short y, x; 58 cchar_t old_bg, *cp; 59 60 #ifdef M_CURSES_TRACE 61 __m_trace("wbkgrnd(%p, %p)", w, bg); 62 #endif 63 64 old_bg = w->_bg; 65 w->_bg = *bg; 66 67 for (y = 0; y < w->_maxy; ++y) { 68 for (cp = w->_line[y], x = 0; x < w->_maxx; ++x) { 69 old_bg._f = cp->_f; 70 if (__m_cc_compare(cp, &w->_bg, 0)) { 71 /* Replace entire background character. */ 72 *cp = *bg; 73 } else { 74 /* Disable old background attributes. */ 75 cp->_at &= ~old_bg._at; 76 77 /* Enable new background and current 78 * foreground. The foreground is included 79 * in case there was overlap with the old 80 * background and the foreground. 81 */ 82 cp->_at |= bg->_at | w->_fg._at; 83 } 84 } 85 86 /* Mark line as touched. */ 87 w->_first[y] = 0; 88 w->_last[y] = x; 89 } 90 91 WSYNC(w); 92 93 return __m_return_code("wbkgrnd", WFLUSH(w)); 94 } 95