diff options
Diffstat (limited to 'ncurses-5.3/menu/m_item_opt.c')
| -rw-r--r-- | ncurses-5.3/menu/m_item_opt.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_item_opt.c b/ncurses-5.3/menu/m_item_opt.c new file mode 100644 index 0000000..555ca8d --- /dev/null +++ b/ncurses-5.3/menu/m_item_opt.c @@ -0,0 +1,151 @@ +/**************************************************************************** + * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1995,1997 * + * Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en * + ****************************************************************************/ + +/*************************************************************************** +* Module m_item_opt * +* Menus item option routines * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int set_item_opts(ITEM *item, Item_Options opts) +| +| Description : Set the options of the item. If there are relevant +| changes, the item is connected and the menu is posted, +| the menu will be redisplayed. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid item options ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +set_item_opts (ITEM *item, Item_Options opts) +{ + opts &= ALL_ITEM_OPTS; + + if (opts & ~ALL_ITEM_OPTS) + RETURN(E_BAD_ARGUMENT); + + if (item) + { + if (item->opt != opts) + { + MENU *menu = item->imenu; + + item->opt = opts; + + if ((!(opts & O_SELECTABLE)) && item->value) + item->value = FALSE; + + if (menu && (menu->status & _POSTED)) + { + Move_And_Post_Item( menu, item ); + _nc_Show_Menu(menu); + } + } + } + else + _nc_Default_Item.opt = opts; + + RETURN(E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int item_opts_off(ITEM *item, Item_Options opts) +| +| Description : Switch of the options for this item. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid options ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +item_opts_off (ITEM *item, Item_Options opts) +{ + ITEM *citem = item; /* use a copy because set_item_opts must detect + NULL item itself to adjust its behaviour */ + + if (opts & ~ALL_ITEM_OPTS) + RETURN(E_BAD_ARGUMENT); + else + { + Normalize_Item(citem); + opts = citem->opt & ~(opts & ALL_ITEM_OPTS); + return set_item_opts( item, opts ); + } +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int item_opts_on(ITEM *item, Item_Options opts) +| +| Description : Switch on the options for this item. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid options ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +item_opts_on (ITEM *item, Item_Options opts) +{ + ITEM *citem = item; /* use a copy because set_item_opts must detect + NULL item itself to adjust its behaviour */ + + opts &= ALL_ITEM_OPTS; + if (opts & ~ALL_ITEM_OPTS) + RETURN(E_BAD_ARGUMENT); + else + { + Normalize_Item(citem); + opts = citem->opt | opts; + return set_item_opts( item, opts ); + } +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : Item_Options item_opts(const ITEM *item) +| +| Description : Switch of the options for this item. +| +| Return Values : Items options ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(Item_Options) +item_opts (const ITEM * item) +{ + return (ALL_ITEM_OPTS & Normalize_Item(item)->opt); +} + +/* m_item_opt.c ends here */ |