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 * dupwin.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/dupwin.c 1.1 1995/05/26 18:41:41 ant Exp $"; 39 #endif 40 #endif 41 42 #include <private.h> 43 #include <signal.h> 44 #include <stdlib.h> 45 #include <string.h> 46 47 /*f 48 * Make an exact duplicate of the window. 49 */ 50 WINDOW * 51 dupwin(w) 52 WINDOW *w; 53 { 54 int i; 55 WINDOW *v; 56 57 #ifdef M_CURSES_TRACE 58 __m_trace("dupwin(%p)", w); 59 #endif 60 61 /* Create (sub)window with same dimensions. */ 62 v = __m_newwin(w->_parent, w->_maxy, w->_maxx, w->_begy, w->_begx); 63 if (v == (WINDOW *) 0) 64 return __m_return_pointer("dupwin", (WINDOW *) 0); 65 66 /* Same software scroll region. */ 67 v->_top = w->_top; 68 v->_bottom = w->_bottom; 69 70 /* Same window input settings. */ 71 v->_vmin = w->_vmin; 72 v->_vtime = w->_vtime; 73 74 /* Same window flags. */ 75 v->_flags = w->_flags; 76 77 /* Copy dirty region markers. */ 78 (void) memcpy( 79 v->_first, w->_first, 80 (v->_maxy + v->_maxy) * sizeof *v->_first 81 ); 82 83 if (v->_parent == (WINDOW *) 0) { 84 /* For a regular window, copy source window lines in the 85 * correct order, because the pointers in _line[] may have 86 * been shuffled. A subwindow is not subject to this, 87 * because it shares its data with its parent window. 88 */ 89 for (i = 0; i < w->_maxy; ++i) { 90 (void) memcpy( 91 v->_line[i], w->_line[i], 92 v->_maxx * sizeof **v->_line 93 ); 94 } 95 } 96 97 return __m_return_pointer("dupwin", v); 98 } 99