1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 1995, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * mvwin.c
31 *
32 * XCurses Library
33 *
34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35 *
36 */
37
38 #ifdef M_RCSID
39 #ifndef lint
40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/mvwin.c 1.3 1995/06/15 19:19:58 ant Exp $";
41 #endif
42 #endif
43
44 #include <private.h>
45
46 /*f
47 * Move window so that the upper left-hand corner is at (x,y). If the move
48 * would cause the window to be off the screen, it is an error and the
49 * window is not moved. Moving subwindows is allowed, but should be
50 * avoided.
51 */
52 int
mvwin(w,by,bx)53 mvwin(w, by, bx)
54 WINDOW *w;
55 int by, bx;
56 {
57 int i, dx, dy;
58 WINDOW *parent = w->_parent;
59
60 #ifdef M_CURSES_TRACE
61 __m_trace("mvwin(%p, %d, %d)", w, by, bx);
62 #endif
63
64 /* Check lower bounds of new window position. */
65 if (by < 0 || bx < 0)
66 return __m_return_code("mvwin", ERR);
67
68 if (parent == (WINDOW *) 0) {
69 /* Check upper bounds of normal window. */
70 if (lines < by + w->_maxy || columns < bx + w->_maxx)
71 return __m_return_code("mvwin", ERR);
72 } else {
73 /* Check upper bounds of sub-window. */
74 if (parent->_begy + parent->_maxy < by + w->_maxy
75 || parent->_begx + parent->_maxx < bx + w->_maxx)
76 return __m_return_code("mvwin", ERR);
77
78 /* Move the sub-window's line pointers to the parent
79 * window's data.
80 */
81 dy = by - parent->_begy;
82 dx = bx - parent->_begx;
83
84 for (i = 0; i <= w->_maxy; ++i)
85 w->_line[i] = &parent->_line[dy++][dx];
86 }
87
88 w->_begy = by;
89 w->_begx = bx;
90 (void) wtouchln(w, 0, w->_maxy, 1);
91
92 return __m_return_code("mvwin", OK);
93 }
94
95 int
mvderwin(w,py,px)96 mvderwin(w, py, px)
97 WINDOW *w;
98 int py, px;
99 {
100 int code;
101 WINDOW *parent;
102
103 #ifdef M_CURSES_TRACE
104 __m_trace("mvderwin(%p, %d, %d)", w, py, px);
105 #endif
106
107 parent = w->_parent;
108
109 if (parent == (WINDOW *) 0)
110 return __m_return_code("mvderwin", ERR);
111
112 /* Absolute screen address. */
113 py += parent->_begy;
114 px += parent->_begx;
115
116 code = mvwin(w, py, px);
117
118 return __m_return_code("mvderwin", code);
119 }
120