1 /* $NetBSD: mvwin.c,v 1.15 2003/08/07 16:44:22 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)mvwin.c 8.2 (Berkeley) 5/4/94"; 36 #else 37 __RCSID("$NetBSD: mvwin.c,v 1.15 2003/08/07 16:44:22 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include "curses.h" 42 #include "curses_private.h" 43 44 /* 45 * mvderwin -- 46 * Move a derived window. 47 * 48 */ 49 int 50 mvderwin(WINDOW *win, int dy, int dx) 51 { 52 WINDOW *parent; 53 int x, y; 54 55 if (win == NULL) 56 return ERR; 57 58 parent = win->orig; 59 60 if (parent == NULL) 61 return ERR; 62 63 x = parent->begx + dx; 64 y = parent->begy + dy; 65 return mvwin(win, y, x); 66 } 67 68 /* 69 * mvwin -- 70 * Relocate the starting position of a window. 71 */ 72 int 73 mvwin(WINDOW *win, int by, int bx) 74 { 75 WINDOW *orig; 76 int dy, dx; 77 78 if (by < 0 || by + win->maxy > LINES || bx < 0 || bx + win->maxx > COLS) 79 return (ERR); 80 dy = by - win->begy; 81 dx = bx - win->begx; 82 orig = win->orig; 83 if (orig == NULL) { 84 orig = win; 85 do { 86 win->begy += dy; 87 win->begx += dx; 88 __swflags(win); 89 win = win->nextp; 90 } while (win != orig); 91 } else { 92 if (by < orig->begy || win->maxy + dy > orig->maxy) 93 return (ERR); 94 if (bx < orig->begx || win->maxx + dx > orig->maxx) 95 return (ERR); 96 win->begy = by; 97 win->begx = bx; 98 __swflags(win); 99 __set_subwin(orig, win); 100 } 101 __touchwin(win); 102 return (OK); 103 } 104