1 /* 2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 /*LINTLIBRARY*/ 16 17 #ifndef lint 18 static char 19 sccsid[] = "@(#)touchwin.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */ 20 #endif /* not lint */ 21 22 #include "curses.ext" 23 24 /* 25 * make it look like the whole window has been changed. 26 * 27 */ 28 29 int 30 touchwin(WINDOW *win) 31 { 32 int y, maxy; 33 34 #ifdef DEBUG 35 fprintf(outf, "TOUCHWIN(%0.2o)\n", win); 36 #endif 37 maxy = win->_maxy; 38 for (y = 0; y < maxy; y++) 39 (void) touchline(win, y, 0, win->_maxx - 1); 40 return (OK); 41 } 42 43 /* 44 * touch a given line 45 */ 46 47 int 48 touchline(WINDOW *win, int y, int sx, int ex) 49 { 50 #ifdef DEBUG 51 fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex); 52 fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", 53 win->_firstch[y], win->_lastch[y]); 54 #endif 55 sx += win->_ch_off; 56 ex += win->_ch_off; 57 if (win->_firstch[y] == _NOCHANGE) { 58 win->_firstch[y] = (short)sx; 59 win->_lastch[y] = (short)ex; 60 } else { 61 if (win->_firstch[y] > sx) 62 win->_firstch[y] = (short)sx; 63 if (win->_lastch[y] < ex) 64 win->_lastch[y] = (short)ex; 65 } 66 #ifdef DEBUG 67 fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", 68 win->_firstch[y], win->_lastch[y]); 69 #endif 70 return (OK); 71 } 72