1 /* $NetBSD: mvwin.c,v 1.13 2002/01/02 10:38:28 blymn Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)mvwin.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: mvwin.c,v 1.13 2002/01/02 10:38:28 blymn Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 #include "curses_private.h" 47 48 /* 49 * mvderwin -- 50 * Move a derived window. 51 * 52 */ 53 int 54 mvderwin(WINDOW *win, int dy, int dx) 55 { 56 WINDOW *parent; 57 int x, y; 58 59 if (win == NULL) 60 return ERR; 61 62 parent = win->orig; 63 64 if (parent == NULL) 65 return ERR; 66 67 x = parent->begx + dx; 68 y = parent->begy + dy; 69 return mvwin(win, y, x); 70 } 71 72 /* 73 * mvwin -- 74 * Relocate the starting position of a window. 75 */ 76 int 77 mvwin(WINDOW *win, int by, int bx) 78 { 79 WINDOW *orig; 80 int dy, dx; 81 82 if (by + win->maxy > LINES || bx + win->maxx > COLS) 83 return (ERR); 84 dy = by - win->begy; 85 dx = bx - win->begx; 86 orig = win->orig; 87 if (orig == NULL) { 88 orig = win; 89 do { 90 win->begy += dy; 91 win->begx += dx; 92 __swflags(win); 93 win = win->nextp; 94 } while (win != orig); 95 } else { 96 if (by < orig->begy || win->maxy + dy > orig->maxy) 97 return (ERR); 98 if (bx < orig->begx || win->maxx + dx > orig->maxx) 99 return (ERR); 100 win->begy = by; 101 win->begx = bx; 102 __swflags(win); 103 __set_subwin(orig, win); 104 } 105 __touchwin(win); 106 return (OK); 107 } 108