scroll.c revision 1.1.1.2
1 1.1 cgd /* 2 1.1.1.2 cgd * Copyright (c) 1981, 1993, 1994 3 1.1.1.2 cgd * The Regents of the University of California. All rights reserved. 4 1.1 cgd * 5 1.1 cgd * Redistribution and use in source and binary forms, with or without 6 1.1 cgd * modification, are permitted provided that the following conditions 7 1.1 cgd * are met: 8 1.1 cgd * 1. Redistributions of source code must retain the above copyright 9 1.1 cgd * notice, this list of conditions and the following disclaimer. 10 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 11 1.1 cgd * notice, this list of conditions and the following disclaimer in the 12 1.1 cgd * documentation and/or other materials provided with the distribution. 13 1.1 cgd * 3. All advertising materials mentioning features or use of this software 14 1.1 cgd * must display the following acknowledgement: 15 1.1 cgd * This product includes software developed by the University of 16 1.1 cgd * California, Berkeley and its contributors. 17 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 18 1.1 cgd * may be used to endorse or promote products derived from this software 19 1.1 cgd * without specific prior written permission. 20 1.1 cgd * 21 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 1.1 cgd * SUCH DAMAGE. 32 1.1 cgd */ 33 1.1 cgd 34 1.1 cgd #ifndef lint 35 1.1.1.2 cgd static char sccsid[] = "@(#)scroll.c 8.3 (Berkeley) 5/4/94"; 36 1.1 cgd #endif /* not lint */ 37 1.1 cgd 38 1.1.1.2 cgd #include "curses.h" 39 1.1 cgd 40 1.1 cgd /* 41 1.1.1.2 cgd * scroll -- 42 1.1.1.2 cgd * Scroll the window up a line. 43 1.1 cgd */ 44 1.1.1.2 cgd int 45 1.1 cgd scroll(win) 46 1.1.1.2 cgd register WINDOW *win; 47 1.1 cgd { 48 1.1.1.2 cgd register int oy, ox; 49 1.1 cgd 50 1.1.1.2 cgd #ifdef DEBUG 51 1.1.1.2 cgd __CTRACE("scroll: (%0.2o)\n", win); 52 1.1.1.2 cgd #endif 53 1.1 cgd 54 1.1.1.2 cgd if (!(win->flags & __SCROLLOK)) 55 1.1.1.2 cgd return (ERR); 56 1.1 cgd 57 1.1 cgd getyx(win, oy, ox); 58 1.1 cgd wmove(win, 0, 0); 59 1.1 cgd wdeleteln(win); 60 1.1 cgd wmove(win, oy, ox); 61 1.1 cgd 62 1.1 cgd if (win == curscr) { 63 1.1.1.2 cgd putchar('\n'); 64 1.1 cgd if (!NONL) 65 1.1.1.2 cgd win->curx = 0; 66 1.1.1.2 cgd #ifdef DEBUG 67 1.1.1.2 cgd __CTRACE("scroll: win == curscr\n"); 68 1.1.1.2 cgd #endif 69 1.1 cgd } 70 1.1.1.2 cgd return (OK); 71 1.1 cgd } 72
Indexes created Mon Sep 29 21:09:56 GMT 2025