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 * dupwin.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/dupwin.c 1.1 1995/05/26 18:41:41 ant Exp $"; 41 #endif 42 #endif 43 44 #include <private.h> 45 #include <signal.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 /*f 50 * Make an exact duplicate of the window. 51 */ 52 WINDOW * 53 dupwin(w) 54 WINDOW *w; 55 { 56 int i; 57 WINDOW *v; 58 59 #ifdef M_CURSES_TRACE 60 __m_trace("dupwin(%p)", w); 61 #endif 62 63 /* Create (sub)window with same dimensions. */ 64 v = __m_newwin(w->_parent, w->_maxy, w->_maxx, w->_begy, w->_begx); 65 if (v == (WINDOW *) 0) 66 return __m_return_pointer("dupwin", (WINDOW *) 0); 67 68 /* Same software scroll region. */ 69 v->_top = w->_top; 70 v->_bottom = w->_bottom; 71 72 /* Same window input settings. */ 73 v->_vmin = w->_vmin; 74 v->_vtime = w->_vtime; 75 76 /* Same window flags. */ 77 v->_flags = w->_flags; 78 79 /* Copy dirty region markers. */ 80 (void) memcpy( 81 v->_first, w->_first, 82 (v->_maxy + v->_maxy) * sizeof *v->_first 83 ); 84 85 if (v->_parent == (WINDOW *) 0) { 86 /* For a regular window, copy source window lines in the 87 * correct order, because the pointers in _line[] may have 88 * been shuffled. A subwindow is not subject to this, 89 * because it shares its data with its parent window. 90 */ 91 for (i = 0; i < w->_maxy; ++i) { 92 (void) memcpy( 93 v->_line[i], w->_line[i], 94 v->_maxx * sizeof **v->_line 95 ); 96 } 97 } 98 99 return __m_return_pointer("dupwin", v); 100 } 101