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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Mircrosystems, Inc. 28 * All rights reserved. 29 */ 30 31 /*LINTLIBRARY*/ 32 33 #include <sys/types.h> 34 #include "private.h" 35 36 int 37 set_top_row(MENU *m, int top) 38 { 39 ITEM *current; 40 41 if (m) { 42 if (Indriver(m)) { 43 return (E_BAD_STATE); 44 } 45 if (!Items(m)) { 46 return (E_NOT_CONNECTED); 47 } 48 if (top < 0 || top > Rows(m) - Height(m)) { 49 return (E_BAD_ARGUMENT); 50 } 51 if (top != Top(m)) { 52 /* Get linking information if not already there */ 53 if (LinkNeeded(m)) { 54 _link_items(m); 55 } 56 /* Set current to toprow */ 57 current = IthItem(m, RowMajor(m) ? top * Cols(m) : top); 58 Pindex(m) = 0; /* Clear the pattern buffer */ 59 IthPattern(m, Pindex(m)) = '\0'; 60 _affect_change(m, top, current); 61 } 62 } else { 63 return (E_BAD_ARGUMENT); 64 } 65 return (E_OK); 66 } 67 68 int 69 top_row(MENU *m) 70 { 71 if (m && Items(m) && IthItem(m, 0)) { 72 return (Top(m)); 73 } else { 74 return (-1); 75 } 76 } 77