xref: /onnv-gate/usr/src/ucblib/libcurses/mvwin.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[] = "@(#)mvwin.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  * relocate the starting position of a window
28*0Sstevel@tonic-gate  */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate int
mvwin(WINDOW * win,int by,int bx)31*0Sstevel@tonic-gate mvwin(WINDOW *win, int by, int bx)
32*0Sstevel@tonic-gate {
33*0Sstevel@tonic-gate 	WINDOW	*orig;
34*0Sstevel@tonic-gate 	int	dy, dx;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate 	if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
37*0Sstevel@tonic-gate 		return (ERR);
38*0Sstevel@tonic-gate 	dy = by - win->_begy;
39*0Sstevel@tonic-gate 	dx = bx - win->_begx;
40*0Sstevel@tonic-gate 	orig = win->_orig;
41*0Sstevel@tonic-gate 	if (orig == NULL) {
42*0Sstevel@tonic-gate 		orig = win;
43*0Sstevel@tonic-gate 		do {
44*0Sstevel@tonic-gate 			win->_begy += dy;
45*0Sstevel@tonic-gate 			win->_begx += dx;
46*0Sstevel@tonic-gate 			_swflags_(win);
47*0Sstevel@tonic-gate 			win = win->_nextp;
48*0Sstevel@tonic-gate 		} while (win != orig);
49*0Sstevel@tonic-gate 	} else {
50*0Sstevel@tonic-gate 		if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
51*0Sstevel@tonic-gate 			return (ERR);
52*0Sstevel@tonic-gate 		if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
53*0Sstevel@tonic-gate 			return (ERR);
54*0Sstevel@tonic-gate 		win->_begy = (short)by;
55*0Sstevel@tonic-gate 		win->_begx = (short)bx;
56*0Sstevel@tonic-gate 		_swflags_(win);
57*0Sstevel@tonic-gate 		_set_subwin_(orig, win);
58*0Sstevel@tonic-gate 	}
59*0Sstevel@tonic-gate 	(void) touchwin(win);
60*0Sstevel@tonic-gate 	return (OK);
61*0Sstevel@tonic-gate }
62