xref: /onnv-gate/usr/src/ucblib/libcurses/touchwin.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate  */
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)touchwin.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*0Sstevel@tonic-gate #endif	/* not lint */
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include	"curses.ext"
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * make it look like the whole window has been changed.
28*0Sstevel@tonic-gate  *
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate int
touchwin(WINDOW * win)32*0Sstevel@tonic-gate touchwin(WINDOW *win)
33*0Sstevel@tonic-gate {
34*0Sstevel@tonic-gate 	int	y, maxy;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef	DEBUG
37*0Sstevel@tonic-gate 	fprintf(outf, "TOUCHWIN(%0.2o)\n", win);
38*0Sstevel@tonic-gate #endif
39*0Sstevel@tonic-gate 	maxy = win->_maxy;
40*0Sstevel@tonic-gate 	for (y = 0; y < maxy; y++)
41*0Sstevel@tonic-gate 		(void) touchline(win, y, 0, win->_maxx - 1);
42*0Sstevel@tonic-gate 	return (OK);
43*0Sstevel@tonic-gate }
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate /*
46*0Sstevel@tonic-gate  * touch a given line
47*0Sstevel@tonic-gate  */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate int
touchline(WINDOW * win,int y,int sx,int ex)50*0Sstevel@tonic-gate touchline(WINDOW *win, int y, int sx, int ex)
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate #ifdef DEBUG
53*0Sstevel@tonic-gate 	fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex);
54*0Sstevel@tonic-gate 	fprintf(outf, "TOUCHLINE:first = %d, last = %d\n",
55*0Sstevel@tonic-gate 	    win->_firstch[y], win->_lastch[y]);
56*0Sstevel@tonic-gate #endif
57*0Sstevel@tonic-gate 	sx += win->_ch_off;
58*0Sstevel@tonic-gate 	ex += win->_ch_off;
59*0Sstevel@tonic-gate 	if (win->_firstch[y] == _NOCHANGE) {
60*0Sstevel@tonic-gate 		win->_firstch[y] = (short)sx;
61*0Sstevel@tonic-gate 		win->_lastch[y] = (short)ex;
62*0Sstevel@tonic-gate 	} else {
63*0Sstevel@tonic-gate 		if (win->_firstch[y] > sx)
64*0Sstevel@tonic-gate 			win->_firstch[y] = (short)sx;
65*0Sstevel@tonic-gate 		if (win->_lastch[y] < ex)
66*0Sstevel@tonic-gate 			win->_lastch[y] = (short)ex;
67*0Sstevel@tonic-gate 	}
68*0Sstevel@tonic-gate #ifdef	DEBUG
69*0Sstevel@tonic-gate 	fprintf(outf, "TOUCHLINE:first = %d, last = %d\n",
70*0Sstevel@tonic-gate 	    win->_firstch[y], win->_lastch[y]);
71*0Sstevel@tonic-gate #endif
72*0Sstevel@tonic-gate 	return (OK);
73*0Sstevel@tonic-gate }
74