1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 /* 45 * This routine is used by initialization routines. It sets it up 46 * such that a line is removed from the user's screen by initscr. This 47 * function must be called BEFORE initscr. It works by leaving a cookie 48 * which tells initscr to reduce the size of stdscr by one for each line 49 * ripped off. This routine has been generalized so that other applications 50 * can make use of it in a straightforward manner. 51 */ 52 53 #include <sys/types.h> 54 #include "curses_inc.h" 55 56 static struct _ripdef 57 { 58 int line; 59 int (*initfunction)(WINDOW *, int); 60 } _ripstruct[5]; 61 62 static char _ripcounter; 63 64 static void 65 _init_rip_func(void) 66 { 67 int i, flag; 68 69 for (i = 0; i < _ripcounter; i++) { 70 LINES = --SP->lsize; 71 /* 72 * We don't need to check for newwin returning NULL because even if 73 * we did and broke from the for loop, the application's initfunction 74 * would not be called and they would have a NULL window pointer. Their 75 * code would then blow up if they don't check it anyway. Therefore, 76 * we can send in the newwin and their code has to check for NULL in either 77 * case. 78 * 79 * NOTE: The application has the responsibilty to do a delwin !!! 80 */ 81 (*_ripstruct[i].initfunction) (newwin(1, COLS, 82 ((flag = _ripstruct[i].line) > 0) ? 0 : LINES, 0), COLS); 83 if (flag > 0) 84 SP->Yabove++; 85 } 86 _ripcounter = 0; 87 } 88 89 int 90 ripoffline(int line, int (*initfunction)(WINDOW *, int)) 91 { 92 if (_ripcounter < 5) { 93 _ripstruct[_ripcounter].line = line; 94 _ripstruct[_ripcounter++].initfunction = initfunction; 95 } 96 _rip_init = _init_rip_func; 97 return (OK); 98 } 99