1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* LINTLIBRARY */
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate * mvwin.c
31*7c478bd9Sstevel@tonic-gate *
32*7c478bd9Sstevel@tonic-gate * XCurses Library
33*7c478bd9Sstevel@tonic-gate *
34*7c478bd9Sstevel@tonic-gate * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35*7c478bd9Sstevel@tonic-gate *
36*7c478bd9Sstevel@tonic-gate */
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID
39*7c478bd9Sstevel@tonic-gate #ifndef lint
40*7c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/mvwin.c 1.3 "
41*7c478bd9Sstevel@tonic-gate "1995/06/15 19:19:58 ant Exp $";
42*7c478bd9Sstevel@tonic-gate #endif
43*7c478bd9Sstevel@tonic-gate #endif
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate #include <private.h>
46*7c478bd9Sstevel@tonic-gate
47*7c478bd9Sstevel@tonic-gate /*
48*7c478bd9Sstevel@tonic-gate * Move window so that the upper left-hand corner is at (x,y). If the move
49*7c478bd9Sstevel@tonic-gate * would cause the window to be off the screen, it is an error and the
50*7c478bd9Sstevel@tonic-gate * window is not moved. Moving subwindows is allowed, but should be
51*7c478bd9Sstevel@tonic-gate * avoided.
52*7c478bd9Sstevel@tonic-gate */
53*7c478bd9Sstevel@tonic-gate int
mvwin(WINDOW * w,int by,int bx)54*7c478bd9Sstevel@tonic-gate mvwin(WINDOW *w, int by, int bx)
55*7c478bd9Sstevel@tonic-gate {
56*7c478bd9Sstevel@tonic-gate int i, dx, dy;
57*7c478bd9Sstevel@tonic-gate WINDOW *parent = w->_parent;
58*7c478bd9Sstevel@tonic-gate
59*7c478bd9Sstevel@tonic-gate /* Check lower bounds of new window position. */
60*7c478bd9Sstevel@tonic-gate if (by < 0 || bx < 0)
61*7c478bd9Sstevel@tonic-gate return (ERR);
62*7c478bd9Sstevel@tonic-gate
63*7c478bd9Sstevel@tonic-gate if (parent == NULL) {
64*7c478bd9Sstevel@tonic-gate /* Check upper bounds of normal window. */
65*7c478bd9Sstevel@tonic-gate if (lines < by + w->_maxy || columns < bx + w->_maxx)
66*7c478bd9Sstevel@tonic-gate return (ERR);
67*7c478bd9Sstevel@tonic-gate } else {
68*7c478bd9Sstevel@tonic-gate /* Check upper bounds of sub-window. */
69*7c478bd9Sstevel@tonic-gate if (parent->_begy + parent->_maxy < by + w->_maxy ||
70*7c478bd9Sstevel@tonic-gate parent->_begx + parent->_maxx < bx + w->_maxx)
71*7c478bd9Sstevel@tonic-gate return (ERR);
72*7c478bd9Sstevel@tonic-gate
73*7c478bd9Sstevel@tonic-gate /*
74*7c478bd9Sstevel@tonic-gate * Move the sub-window's line pointers to the parent
75*7c478bd9Sstevel@tonic-gate * window's data.
76*7c478bd9Sstevel@tonic-gate */
77*7c478bd9Sstevel@tonic-gate dy = by - parent->_begy;
78*7c478bd9Sstevel@tonic-gate dx = bx - parent->_begx;
79*7c478bd9Sstevel@tonic-gate
80*7c478bd9Sstevel@tonic-gate for (i = 0; i <= w->_maxy; ++i)
81*7c478bd9Sstevel@tonic-gate w->_line[i] = &parent->_line[dy++][dx];
82*7c478bd9Sstevel@tonic-gate }
83*7c478bd9Sstevel@tonic-gate
84*7c478bd9Sstevel@tonic-gate w->_begy = (short) by;
85*7c478bd9Sstevel@tonic-gate w->_begx = (short) bx;
86*7c478bd9Sstevel@tonic-gate (void) wtouchln(w, 0, w->_maxy, 1);
87*7c478bd9Sstevel@tonic-gate
88*7c478bd9Sstevel@tonic-gate return (OK);
89*7c478bd9Sstevel@tonic-gate }
90*7c478bd9Sstevel@tonic-gate
91*7c478bd9Sstevel@tonic-gate int
mvderwin(WINDOW * w,int py,int px)92*7c478bd9Sstevel@tonic-gate mvderwin(WINDOW *w, int py, int px)
93*7c478bd9Sstevel@tonic-gate {
94*7c478bd9Sstevel@tonic-gate int code;
95*7c478bd9Sstevel@tonic-gate WINDOW *parent;
96*7c478bd9Sstevel@tonic-gate
97*7c478bd9Sstevel@tonic-gate parent = w->_parent;
98*7c478bd9Sstevel@tonic-gate
99*7c478bd9Sstevel@tonic-gate if (parent == NULL)
100*7c478bd9Sstevel@tonic-gate return (ERR);
101*7c478bd9Sstevel@tonic-gate
102*7c478bd9Sstevel@tonic-gate /* Absolute screen address. */
103*7c478bd9Sstevel@tonic-gate py += parent->_begy;
104*7c478bd9Sstevel@tonic-gate px += parent->_begx;
105*7c478bd9Sstevel@tonic-gate
106*7c478bd9Sstevel@tonic-gate code = mvwin(w, py, px);
107*7c478bd9Sstevel@tonic-gate
108*7c478bd9Sstevel@tonic-gate return (code);
109*7c478bd9Sstevel@tonic-gate }
110