1 /* $OpenBSD: m_item_opt.c,v 1.9 2010/01/12 23:22:08 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer, 1995,1997 * 33 ****************************************************************************/ 34 35 /*************************************************************************** 36 * Module m_item_opt * 37 * Menus item option routines * 38 ***************************************************************************/ 39 40 #include "menu.priv.h" 41 42 MODULE_ID("$Id: m_item_opt.c,v 1.9 2010/01/12 23:22:08 nicm Exp $") 43 44 /*--------------------------------------------------------------------------- 45 | Facility : libnmenu 46 | Function : int set_item_opts(ITEM *item, Item_Options opts) 47 | 48 | Description : Set the options of the item. If there are relevant 49 | changes, the item is connected and the menu is posted, 50 | the menu will be redisplayed. 51 | 52 | Return Values : E_OK - success 53 | E_BAD_ARGUMENT - invalid item options 54 +--------------------------------------------------------------------------*/ 55 NCURSES_EXPORT(int) 56 set_item_opts(ITEM * item, Item_Options opts) 57 { 58 T((T_CALLED("set_menu_opts(%p,%d)"), item, opts)); 59 60 opts &= ALL_ITEM_OPTS; 61 62 if (opts & ~ALL_ITEM_OPTS) 63 RETURN(E_BAD_ARGUMENT); 64 65 if (item) 66 { 67 if (item->opt != opts) 68 { 69 MENU *menu = item->imenu; 70 71 item->opt = opts; 72 73 if ((!(opts & O_SELECTABLE)) && item->value) 74 item->value = FALSE; 75 76 if (menu && (menu->status & _POSTED)) 77 { 78 Move_And_Post_Item(menu, item); 79 _nc_Show_Menu(menu); 80 } 81 } 82 } 83 else 84 _nc_Default_Item.opt = opts; 85 86 RETURN(E_OK); 87 } 88 89 /*--------------------------------------------------------------------------- 90 | Facility : libnmenu 91 | Function : int item_opts_off(ITEM *item, Item_Options opts) 92 | 93 | Description : Switch of the options for this item. 94 | 95 | Return Values : E_OK - success 96 | E_BAD_ARGUMENT - invalid options 97 +--------------------------------------------------------------------------*/ 98 NCURSES_EXPORT(int) 99 item_opts_off(ITEM * item, Item_Options opts) 100 { 101 ITEM *citem = item; /* use a copy because set_item_opts must detect 102 103 NULL item itself to adjust its behavior */ 104 105 T((T_CALLED("item_opts_off(%p,%d)"), item, opts)); 106 107 if (opts & ~ALL_ITEM_OPTS) 108 RETURN(E_BAD_ARGUMENT); 109 else 110 { 111 Normalize_Item(citem); 112 opts = citem->opt & ~(opts & ALL_ITEM_OPTS); 113 returnCode(set_item_opts(item, opts)); 114 } 115 } 116 117 /*--------------------------------------------------------------------------- 118 | Facility : libnmenu 119 | Function : int item_opts_on(ITEM *item, Item_Options opts) 120 | 121 | Description : Switch on the options for this item. 122 | 123 | Return Values : E_OK - success 124 | E_BAD_ARGUMENT - invalid options 125 +--------------------------------------------------------------------------*/ 126 NCURSES_EXPORT(int) 127 item_opts_on(ITEM * item, Item_Options opts) 128 { 129 ITEM *citem = item; /* use a copy because set_item_opts must detect 130 131 NULL item itself to adjust its behavior */ 132 133 T((T_CALLED("item_opts_on(%p,%d)"), item, opts)); 134 135 opts &= ALL_ITEM_OPTS; 136 if (opts & ~ALL_ITEM_OPTS) 137 RETURN(E_BAD_ARGUMENT); 138 else 139 { 140 Normalize_Item(citem); 141 opts = citem->opt | opts; 142 returnCode(set_item_opts(item, opts)); 143 } 144 } 145 146 /*--------------------------------------------------------------------------- 147 | Facility : libnmenu 148 | Function : Item_Options item_opts(const ITEM *item) 149 | 150 | Description : Switch of the options for this item. 151 | 152 | Return Values : Items options 153 +--------------------------------------------------------------------------*/ 154 NCURSES_EXPORT(Item_Options) 155 item_opts(const ITEM * item) 156 { 157 T((T_CALLED("item_opts(%p)"), item)); 158 returnItemOpts(ALL_ITEM_OPTS & Normalize_Item(item)->opt); 159 } 160 161 /* m_item_opt.c ends here */ 162