1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
3*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate */
5*7c478bd9Sstevel@tonic-gate
6*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
7*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
8*7c478bd9Sstevel@tonic-gate
9*7c478bd9Sstevel@tonic-gate /*
10*7c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
11*7c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
12*7c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
13*7c478bd9Sstevel@tonic-gate */
14*7c478bd9Sstevel@tonic-gate
15*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
16*7c478bd9Sstevel@tonic-gate
17*7c478bd9Sstevel@tonic-gate #ifndef lint
18*7c478bd9Sstevel@tonic-gate static char
19*7c478bd9Sstevel@tonic-gate sccsid[] = "@(#)toucholap.c 1.4 89/08/03 SMI"; /* from UCB 5.1 85/06/07 */
20*7c478bd9Sstevel@tonic-gate #endif /* not lint */
21*7c478bd9Sstevel@tonic-gate
22*7c478bd9Sstevel@tonic-gate #include "curses.ext"
23*7c478bd9Sstevel@tonic-gate
24*7c478bd9Sstevel@tonic-gate #define min(a, b) ((a) < (b) ? (a) : (b))
25*7c478bd9Sstevel@tonic-gate #define max(a, b) ((a) > (b) ? (a) : (b))
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate * Touch, on win2, the part that overlaps with win1.
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate int
touchoverlap(WINDOW * win1,WINDOW * win2)32*7c478bd9Sstevel@tonic-gate touchoverlap(WINDOW *win1, WINDOW *win2)
33*7c478bd9Sstevel@tonic-gate {
34*7c478bd9Sstevel@tonic-gate int y, endy, endx, starty, startx;
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate #ifdef DEBUG
37*7c478bd9Sstevel@tonic-gate fprintf(outf, "TOUCHOVERLAP(%0.2o, %0.2o);\n", win1, win2);
38*7c478bd9Sstevel@tonic-gate #endif
39*7c478bd9Sstevel@tonic-gate starty = max(win1->_begy, win2->_begy);
40*7c478bd9Sstevel@tonic-gate startx = max(win1->_begx, win2->_begx);
41*7c478bd9Sstevel@tonic-gate endy = min(win1->_maxy + win1->_begy, win2->_maxy + win2->_begy);
42*7c478bd9Sstevel@tonic-gate endx = min(win1->_maxx + win1->_begx, win2->_maxx + win2->_begx);
43*7c478bd9Sstevel@tonic-gate #ifdef DEBUG
44*7c478bd9Sstevel@tonic-gate fprintf(outf, "TOUCHOVERLAP:from (%d,%d) to (%d,%d)\n",
45*7c478bd9Sstevel@tonic-gate starty, startx, endy, endx);
46*7c478bd9Sstevel@tonic-gate fprintf(outf, "TOUCHOVERLAP:win1 (%d,%d) to (%d,%d)\n",
47*7c478bd9Sstevel@tonic-gate win1->_begy, win1->_begx, win1->_begy + win1->_maxy,
48*7c478bd9Sstevel@tonic-gate win1->_begx + win1->_maxx);
49*7c478bd9Sstevel@tonic-gate fprintf(outf, "TOUCHOVERLAP:win2 (%d,%d) to (%d,%d)\n",
50*7c478bd9Sstevel@tonic-gate win2->_begy, win2->_begx, win2->_begy + win2->_maxy,
51*7c478bd9Sstevel@tonic-gate win2->_begx + win2->_maxx);
52*7c478bd9Sstevel@tonic-gate #endif
53*7c478bd9Sstevel@tonic-gate if (starty >= endy || startx >= endx)
54*7c478bd9Sstevel@tonic-gate return (OK);
55*7c478bd9Sstevel@tonic-gate starty -= win2->_begy;
56*7c478bd9Sstevel@tonic-gate startx -= win2->_begx;
57*7c478bd9Sstevel@tonic-gate endy -= win2->_begy;
58*7c478bd9Sstevel@tonic-gate endx -= win2->_begx;
59*7c478bd9Sstevel@tonic-gate endx--;
60*7c478bd9Sstevel@tonic-gate for (y = starty; y < endy; y++)
61*7c478bd9Sstevel@tonic-gate (void) touchline(win2, y, startx, endx);
62*7c478bd9Sstevel@tonic-gate return (OK);
63*7c478bd9Sstevel@tonic-gate }
64