1 /* 2 * Copyright (c) 1981, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /* from: static char sccsid[] = "@(#)touchwin.c 8.1 (Berkeley) 6/4/93"; */ 36 static char *rcsid = "$Id: touchwin.c,v 1.5 1993/11/09 04:08:52 cgd Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 41 42 /* 43 * touchline -- 44 * Touch a given line. 45 */ 46 int 47 touchline(win, y, sx, ex) 48 WINDOW *win; 49 register int y, sx, ex; 50 { 51 return (__touchline(win, y, sx, ex, 1)); 52 } 53 54 55 /* 56 * touchwin -- 57 * Make it look like the whole window has been changed. 58 */ 59 int 60 touchwin(win) 61 register WINDOW *win; 62 { 63 register int y, maxy; 64 65 #ifdef DEBUG 66 __CTRACE("touchwin: (%0.2o)\n", win); 67 #endif 68 maxy = win->maxy; 69 for (y = 0; y < maxy; y++) 70 __touchline(win, y, 0, win->maxx - 1, 1); 71 return (OK); 72 } 73 74 75 int 76 __touchwin(win) 77 register WINDOW *win; 78 { 79 register int y, maxy; 80 81 #ifdef DEBUG 82 __CTRACE("touchwin: (%0.2o)\n", win); 83 #endif 84 maxy = win->maxy; 85 for (y = 0; y < maxy; y++) 86 __touchline(win, y, 0, win->maxx - 1, 0); 87 return (OK); 88 } 89 90 int 91 __touchline(win, y, sx, ex, force) 92 register WINDOW *win; 93 register int y, sx, ex; 94 int force; 95 { 96 #ifdef DEBUG 97 __CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force); 98 __CTRACE("touchline: first = %d, last = %d\n", 99 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 100 #endif 101 if (force) 102 win->lines[y]->flags |= __FORCEPAINT; 103 sx += win->ch_off; 104 ex += win->ch_off; 105 if (!(win->lines[y]->flags & __ISDIRTY)) { 106 win->lines[y]->flags |= __ISDIRTY; 107 *win->lines[y]->firstchp = sx; 108 *win->lines[y]->lastchp = ex; 109 } else { 110 if (*win->lines[y]->firstchp > sx) 111 *win->lines[y]->firstchp = sx; 112 if (*win->lines[y]->lastchp < ex) 113 *win->lines[y]->lastchp = ex; 114 } 115 #ifdef DEBUG 116 __CTRACE("touchline: first = %d, last = %d\n", 117 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 118 #endif 119 return (OK); 120 } 121 122 123