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 /* 28 * mvwin.c 29 * 30 * XCurses Library 31 * 32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 33 * 34 */ 35 36 #ifdef M_RCSID 37 #ifndef lint 38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/mvwin.c 1.3 1995/06/15 19:19:58 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 44 /*f 45 * Move window so that the upper left-hand corner is at (x,y). If the move 46 * would cause the window to be off the screen, it is an error and the 47 * window is not moved. Moving subwindows is allowed, but should be 48 * avoided. 49 */ 50 int 51 mvwin(w, by, bx) 52 WINDOW *w; 53 int by, bx; 54 { 55 int i, dx, dy; 56 WINDOW *parent = w->_parent; 57 58 #ifdef M_CURSES_TRACE 59 __m_trace("mvwin(%p, %d, %d)", w, by, bx); 60 #endif 61 62 /* Check lower bounds of new window position. */ 63 if (by < 0 || bx < 0) 64 return __m_return_code("mvwin", ERR); 65 66 if (parent == (WINDOW *) 0) { 67 /* Check upper bounds of normal window. */ 68 if (lines < by + w->_maxy || columns < bx + w->_maxx) 69 return __m_return_code("mvwin", ERR); 70 } else { 71 /* Check upper bounds of sub-window. */ 72 if (parent->_begy + parent->_maxy < by + w->_maxy 73 || parent->_begx + parent->_maxx < bx + w->_maxx) 74 return __m_return_code("mvwin", ERR); 75 76 /* Move the sub-window's line pointers to the parent 77 * window's data. 78 */ 79 dy = by - parent->_begy; 80 dx = bx - parent->_begx; 81 82 for (i = 0; i <= w->_maxy; ++i) 83 w->_line[i] = &parent->_line[dy++][dx]; 84 } 85 86 w->_begy = by; 87 w->_begx = bx; 88 (void) wtouchln(w, 0, w->_maxy, 1); 89 90 return __m_return_code("mvwin", OK); 91 } 92 93 int 94 mvderwin(w, py, px) 95 WINDOW *w; 96 int py, px; 97 { 98 int code; 99 WINDOW *parent; 100 101 #ifdef M_CURSES_TRACE 102 __m_trace("mvderwin(%p, %d, %d)", w, py, px); 103 #endif 104 105 parent = w->_parent; 106 107 if (parent == (WINDOW *) 0) 108 return __m_return_code("mvderwin", ERR); 109 110 /* Absolute screen address. */ 111 py += parent->_begy; 112 px += parent->_begx; 113 114 code = mvwin(w, py, px); 115 116 return __m_return_code("mvderwin", code); 117 } 118