1 /* 2 * Copyright (c) 1981, 1993, 1994 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 static char sccsid[] = "@(#)touchwin.c 8.2 (Berkeley) 5/4/94"; 36 #endif /* not lint */ 37 38 #include "curses.h" 39 40 /* 41 * touchline -- 42 * Touch a given line. 43 */ 44 int 45 touchline(win, y, sx, ex) 46 WINDOW *win; 47 register int y, sx, ex; 48 { 49 return (__touchline(win, y, sx, ex, 1)); 50 } 51 52 53 /* 54 * touchwin -- 55 * Make it look like the whole window has been changed. 56 */ 57 int 58 touchwin(win) 59 register WINDOW *win; 60 { 61 register int y, maxy; 62 63 #ifdef DEBUG 64 __CTRACE("touchwin: (%0.2o)\n", win); 65 #endif 66 maxy = win->maxy; 67 for (y = 0; y < maxy; y++) 68 __touchline(win, y, 0, win->maxx - 1, 1); 69 return (OK); 70 } 71 72 73 int 74 __touchwin(win) 75 register WINDOW *win; 76 { 77 register int y, maxy; 78 79 #ifdef DEBUG 80 __CTRACE("touchwin: (%0.2o)\n", win); 81 #endif 82 maxy = win->maxy; 83 for (y = 0; y < maxy; y++) 84 __touchline(win, y, 0, win->maxx - 1, 0); 85 return (OK); 86 } 87 88 int 89 __touchline(win, y, sx, ex, force) 90 register WINDOW *win; 91 register int y, sx, ex; 92 int force; 93 { 94 #ifdef DEBUG 95 __CTRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force); 96 __CTRACE("touchline: first = %d, last = %d\n", 97 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 98 #endif 99 if (force) 100 win->lines[y]->flags |= __FORCEPAINT; 101 sx += win->ch_off; 102 ex += win->ch_off; 103 if (!(win->lines[y]->flags & __ISDIRTY)) { 104 win->lines[y]->flags |= __ISDIRTY; 105 *win->lines[y]->firstchp = sx; 106 *win->lines[y]->lastchp = ex; 107 } else { 108 if (*win->lines[y]->firstchp > sx) 109 *win->lines[y]->firstchp = sx; 110 if (*win->lines[y]->lastchp < ex) 111 *win->lines[y]->lastchp = ex; 112 } 113 #ifdef DEBUG 114 __CTRACE("touchline: first = %d, last = %d\n", 115 *win->lines[y]->firstchp, *win->lines[y]->lastchp); 116 #endif 117 return (OK); 118 } 119 120 121