1 /**************************************************************************** 2 * Copyright (c) 1998-2004,2010 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Juergen Pfeifer, 1995,1997 * 31 ****************************************************************************/ 32 33 /*************************************************************************** 34 * Module m_item_opt * 35 * Menus item option routines * 36 ***************************************************************************/ 37 38 #include "menu.priv.h" 39 40 MODULE_ID("$Id: m_item_opt.c,v 1.18 2010/01/23 21:20:10 tom Exp $") 41 42 /*--------------------------------------------------------------------------- 43 | Facility : libnmenu 44 | Function : int set_item_opts(ITEM *item, Item_Options opts) 45 | 46 | Description : Set the options of the item. If there are relevant 47 | changes, the item is connected and the menu is posted, 48 | the menu will be redisplayed. 49 | 50 | Return Values : E_OK - success 51 | E_BAD_ARGUMENT - invalid item options 52 +--------------------------------------------------------------------------*/ 53 NCURSES_EXPORT(int) 54 set_item_opts(ITEM * item, Item_Options opts) 55 { 56 T((T_CALLED("set_menu_opts(%p,%d)"), (void *)item, opts)); 57 58 opts &= ALL_ITEM_OPTS; 59 60 if (opts & ~ALL_ITEM_OPTS) 61 RETURN(E_BAD_ARGUMENT); 62 63 if (item) 64 { 65 if (item->opt != opts) 66 { 67 MENU *menu = item->imenu; 68 69 item->opt = opts; 70 71 if ((!(opts & O_SELECTABLE)) && item->value) 72 item->value = FALSE; 73 74 if (menu && (menu->status & _POSTED)) 75 { 76 Move_And_Post_Item(menu, item); 77 _nc_Show_Menu(menu); 78 } 79 } 80 } 81 else 82 _nc_Default_Item.opt = opts; 83 84 RETURN(E_OK); 85 } 86 87 /*--------------------------------------------------------------------------- 88 | Facility : libnmenu 89 | Function : int item_opts_off(ITEM *item, Item_Options opts) 90 | 91 | Description : Switch of the options for this item. 92 | 93 | Return Values : E_OK - success 94 | E_BAD_ARGUMENT - invalid options 95 +--------------------------------------------------------------------------*/ 96 NCURSES_EXPORT(int) 97 item_opts_off(ITEM * item, Item_Options opts) 98 { 99 ITEM *citem = item; /* use a copy because set_item_opts must detect 100 101 NULL item itself to adjust its behavior */ 102 103 T((T_CALLED("item_opts_off(%p,%d)"), (void *)item, opts)); 104 105 if (opts & ~ALL_ITEM_OPTS) 106 RETURN(E_BAD_ARGUMENT); 107 else 108 { 109 Normalize_Item(citem); 110 opts = citem->opt & ~(opts & ALL_ITEM_OPTS); 111 returnCode(set_item_opts(item, opts)); 112 } 113 } 114 115 /*--------------------------------------------------------------------------- 116 | Facility : libnmenu 117 | Function : int item_opts_on(ITEM *item, Item_Options opts) 118 | 119 | Description : Switch on the options for this item. 120 | 121 | Return Values : E_OK - success 122 | E_BAD_ARGUMENT - invalid options 123 +--------------------------------------------------------------------------*/ 124 NCURSES_EXPORT(int) 125 item_opts_on(ITEM * item, Item_Options opts) 126 { 127 ITEM *citem = item; /* use a copy because set_item_opts must detect 128 129 NULL item itself to adjust its behavior */ 130 131 T((T_CALLED("item_opts_on(%p,%d)"), (void *)item, opts)); 132 133 opts &= ALL_ITEM_OPTS; 134 if (opts & ~ALL_ITEM_OPTS) 135 RETURN(E_BAD_ARGUMENT); 136 else 137 { 138 Normalize_Item(citem); 139 opts = citem->opt | opts; 140 returnCode(set_item_opts(item, opts)); 141 } 142 } 143 144 /*--------------------------------------------------------------------------- 145 | Facility : libnmenu 146 | Function : Item_Options item_opts(const ITEM *item) 147 | 148 | Description : Switch of the options for this item. 149 | 150 | Return Values : Items options 151 +--------------------------------------------------------------------------*/ 152 NCURSES_EXPORT(Item_Options) 153 item_opts(const ITEM * item) 154 { 155 T((T_CALLED("item_opts(%p)"), (const void *)item)); 156 returnItemOpts(ALL_ITEM_OPTS & Normalize_Item(item)->opt); 157 } 158 159 /* m_item_opt.c ends here */ 160