1 /* $NetBSD: mvwin.c,v 1.11 2000/04/15 13:17:04 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 1.11 2000/04/15 13:17:04 blymn Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 #include "curses_private.h" 47 48 /* 49 * mvwin -- 50 * Relocate the starting position of a window. 51 */ 52 int 53 mvwin(WINDOW *win, int by, int bx) 54 { 55 WINDOW *orig; 56 int dy, dx; 57 58 if (by + win->maxy > LINES || bx + win->maxx > COLS) 59 return (ERR); 60 dy = by - win->begy; 61 dx = bx - win->begx; 62 orig = win->orig; 63 if (orig == NULL) { 64 orig = win; 65 do { 66 win->begy += dy; 67 win->begx += dx; 68 __swflags(win); 69 win = win->nextp; 70 } while (win != orig); 71 } else { 72 if (by < orig->begy || win->maxy + dy > orig->maxy) 73 return (ERR); 74 if (bx < orig->begx || win->maxx + dx > orig->maxx) 75 return (ERR); 76 win->begy = by; 77 win->begx = bx; 78 __swflags(win); 79 __set_subwin(orig, win); 80 } 81 __touchwin(win); 82 return (OK); 83 } 84