1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2004,2010 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34 /*************************************************************************** 35 * Module m_item_opt * 36 * Menus item option routines * 37 ***************************************************************************/ 38 39 #include "menu.priv.h" 40 41 MODULE_ID("$Id: m_item_opt.c,v 1.19 2020/02/02 23:34:34 tom Exp $") 42 43 /*--------------------------------------------------------------------------- 44 | Facility : libnmenu 45 | Function : int set_item_opts(ITEM *item, Item_Options opts) 46 | 47 | Description : Set the options of the item. If there are relevant 48 | changes, the item is connected and the menu is posted, 49 | the menu will be redisplayed. 50 | 51 | Return Values : E_OK - success 52 | E_BAD_ARGUMENT - invalid item options 53 +--------------------------------------------------------------------------*/ 54 NCURSES_EXPORT(int) 55 set_item_opts(ITEM * item, Item_Options opts) 56 { 57 T((T_CALLED("set_menu_opts(%p,%d)"), (void *)item, opts)); 58 59 opts &= ALL_ITEM_OPTS; 60 61 if (opts & ~ALL_ITEM_OPTS) 62 RETURN(E_BAD_ARGUMENT); 63 64 if (item) 65 { 66 if (item->opt != opts) 67 { 68 MENU *menu = item->imenu; 69 70 item->opt = opts; 71 72 if ((!(opts & O_SELECTABLE)) && item->value) 73 item->value = FALSE; 74 75 if (menu && (menu->status & _POSTED)) 76 { 77 Move_And_Post_Item(menu, item); 78 _nc_Show_Menu(menu); 79 } 80 } 81 } 82 else 83 _nc_Default_Item.opt = opts; 84 85 RETURN(E_OK); 86 } 87 88 /*--------------------------------------------------------------------------- 89 | Facility : libnmenu 90 | Function : int item_opts_off(ITEM *item, Item_Options opts) 91 | 92 | Description : Switch of the options for this item. 93 | 94 | Return Values : E_OK - success 95 | E_BAD_ARGUMENT - invalid options 96 +--------------------------------------------------------------------------*/ 97 NCURSES_EXPORT(int) 98 item_opts_off(ITEM * item, Item_Options opts) 99 { 100 ITEM *citem = item; /* use a copy because set_item_opts must detect 101 102 NULL item itself to adjust its behavior */ 103 104 T((T_CALLED("item_opts_off(%p,%d)"), (void *)item, opts)); 105 106 if (opts & ~ALL_ITEM_OPTS) 107 RETURN(E_BAD_ARGUMENT); 108 else 109 { 110 Normalize_Item(citem); 111 opts = citem->opt & ~(opts & ALL_ITEM_OPTS); 112 returnCode(set_item_opts(item, opts)); 113 } 114 } 115 116 /*--------------------------------------------------------------------------- 117 | Facility : libnmenu 118 | Function : int item_opts_on(ITEM *item, Item_Options opts) 119 | 120 | Description : Switch on the options for this item. 121 | 122 | Return Values : E_OK - success 123 | E_BAD_ARGUMENT - invalid options 124 +--------------------------------------------------------------------------*/ 125 NCURSES_EXPORT(int) 126 item_opts_on(ITEM * item, Item_Options opts) 127 { 128 ITEM *citem = item; /* use a copy because set_item_opts must detect 129 130 NULL item itself to adjust its behavior */ 131 132 T((T_CALLED("item_opts_on(%p,%d)"), (void *)item, opts)); 133 134 opts &= ALL_ITEM_OPTS; 135 if (opts & ~ALL_ITEM_OPTS) 136 RETURN(E_BAD_ARGUMENT); 137 else 138 { 139 Normalize_Item(citem); 140 opts = citem->opt | opts; 141 returnCode(set_item_opts(item, opts)); 142 } 143 } 144 145 /*--------------------------------------------------------------------------- 146 | Facility : libnmenu 147 | Function : Item_Options item_opts(const ITEM *item) 148 | 149 | Description : Switch of the options for this item. 150 | 151 | Return Values : Items options 152 +--------------------------------------------------------------------------*/ 153 NCURSES_EXPORT(Item_Options) 154 item_opts(const ITEM * item) 155 { 156 T((T_CALLED("item_opts(%p)"), (const void *)item)); 157 returnItemOpts(ALL_ITEM_OPTS & Normalize_Item(item)->opt); 158 } 159 160 /* m_item_opt.c ends here */ 161