1 /* $NetBSD: mvwin.c,v 1.7 1997/07/22 07:36:52 mikel 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 1.7 1997/07/22 07:36:52 mikel Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 47 /* 48 * mvwin -- 49 * Relocate the starting position of a window. 50 */ 51 int 52 mvwin(win, by, bx) 53 register WINDOW *win; 54 register int by, bx; 55 { 56 register WINDOW *orig; 57 register int dy, dx; 58 59 if (by + win->maxy > LINES || bx + win->maxx > COLS) 60 return (ERR); 61 dy = by - win->begy; 62 dx = bx - win->begx; 63 orig = win->orig; 64 if (orig == NULL) { 65 orig = win; 66 do { 67 win->begy += dy; 68 win->begx += dx; 69 __swflags(win); 70 win = win->nextp; 71 } while (win != orig); 72 } else { 73 if (by < orig->begy || win->maxy + dy > orig->maxy) 74 return (ERR); 75 if (bx < orig->begx || win->maxx + dx > orig->maxx) 76 return (ERR); 77 win->begy = by; 78 win->begx = bx; 79 __swflags(win); 80 __set_subwin(orig, win); 81 } 82 __touchwin(win); 83 return (OK); 84 } 85