1 /* 2 * Copyright (c) 1981, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /* from: static char sccsid[] = "@(#)mvwin.c 8.1 (Berkeley) 6/4/93"; */ 36 static char *rcsid = "$Id: mvwin.c,v 1.5 1993/11/09 04:08:19 cgd Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 41 /* 42 * mvwin -- 43 * Relocate the starting position of a window. 44 */ 45 int 46 mvwin(win, by, bx) 47 register WINDOW *win; 48 register int by, bx; 49 { 50 register WINDOW *orig; 51 register int dy, dx; 52 53 if (by + win->maxy > LINES || bx + win->maxx > COLS) 54 return (ERR); 55 dy = by - win->begy; 56 dx = bx - win->begx; 57 orig = win->orig; 58 if (orig == NULL) { 59 orig = win; 60 do { 61 win->begy += dy; 62 win->begx += dx; 63 __swflags(win); 64 win = win->nextp; 65 } while (win != orig); 66 } else { 67 if (by < orig->begy || win->maxy + dy > orig->maxy) 68 return (ERR); 69 if (bx < orig->begx || win->maxx + dx > orig->maxx) 70 return (ERR); 71 win->begy = by; 72 win->begx = bx; 73 __swflags(win); 74 __set_subwin(orig, win); 75 } 76 __touchwin(win); 77 return (OK); 78 } 79