1 /* $NetBSD: touchwin.c,v 1.7 1997/07/22 07:37:07 mikel Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)touchwin.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: touchwin.c,v 1.7 1997/07/22 07:37:07 mikel Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 47 /* 48 * touchline -- 49 * Touch a given line. 50 */ 51 int 52 touchline(win, y, sx, ex) 53 WINDOW *win; 54 register int y, sx, ex; 55 { 56 return (__touchline(win, y, sx, ex, 1)); 57 } 58 59 60 /* 61 * touchwin -- 62 * Make it look like the whole window has been changed. 63 */ 64 int 65 touchwin(win) 66 register WINDOW *win; 67 { 68 register int y, maxy; 69 70 #ifdef DEBUG 71 __CTRACE("touchwin: (%0.2o)\n", win); 72 #endif 73 maxy = win->maxy; 74 for (y = 0; y < maxy; y++) 75 __touchline(win, y, 0, win->maxx - 1, 1); 76 return (OK); 77 } 78 79 80 int 81 __touchwin(win) 82 register WINDOW *win; 83 { 84 register int y, maxy; 85 86 #ifdef DEBUG 87 __CTRACE("touchwin: (%0.2o)\n", win); 88 #endif 89 maxy = win->maxy; 90 for (y = 0; y < maxy; y++) 91 __touchline(win, y, 0, win->maxx - 1, 0); 92 return (OK); 93 } 94 95 int 96 __touchline(win, y, sx, ex, force) 97 register WINDOW *win; 98 register int y, sx, ex; 99 int force; 100 { 101 #ifdef DEBUG 102 __CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force); 103 __CTRACE("touchline: first = %d, last = %d\n", 104 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 105 #endif 106 if (force) 107 win->lines[y]->flags |= __FORCEPAINT; 108 sx += win->ch_off; 109 ex += win->ch_off; 110 if (!(win->lines[y]->flags & __ISDIRTY)) { 111 win->lines[y]->flags |= __ISDIRTY; 112 *win->lines[y]->firstchp = sx; 113 *win->lines[y]->lastchp = ex; 114 } else { 115 if (*win->lines[y]->firstchp > sx) 116 *win->lines[y]->firstchp = sx; 117 if (*win->lines[y]->lastchp < ex) 118 *win->lines[y]->lastchp = ex; 119 } 120 #ifdef DEBUG 121 __CTRACE("touchline: first = %d, last = %d\n", 122 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 123 #endif 124 return (OK); 125 } 126 127 128