diff options
Diffstat (limited to 'ncurses-5.3/menu/m_item_val.c')
| -rw-r--r-- | ncurses-5.3/menu/m_item_val.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_item_val.c b/ncurses-5.3/menu/m_item_val.c new file mode 100644 index 0000000..092cef8 --- /dev/null +++ b/ncurses-5.3/menu/m_item_val.c @@ -0,0 +1,103 @@ +/**************************************************************************** + * 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_val * +* Set and get menus item values * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int set_item_value(ITEM *item, int value) +| +| Description : Programmatically set the items selection value. This is +| only allowed if the item is selectable at all and if +| it is not connected to a single-valued menu. +| If the item is connected to a posted menu, the menu +| will be redisplayed. +| +| Return Values : E_OK - success +| E_REQUEST_DENIED - not selectable or single valued menu ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +set_item_value (ITEM *item, bool value) +{ + MENU *menu; + + if (item) + { + menu = item->imenu; + + if ((!(item->opt & O_SELECTABLE)) || + (menu && (menu->opt & O_ONEVALUE))) + RETURN(E_REQUEST_DENIED); + + if (item->value ^ value) + { + item->value = value ? TRUE : FALSE; + if (menu) + { + if (menu->status & _POSTED) + { + Move_And_Post_Item(menu,item); + _nc_Show_Menu(menu); + } + } + } + } + else + _nc_Default_Item.value = value; + + RETURN(E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : bool item_value(const ITEM *item) +| +| Description : Return the selection value of the item +| +| Return Values : TRUE - if item is selected +| FALSE - if item is not selected ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(bool) +item_value (const ITEM *item) +{ + return ((Normalize_Item(item)->value) ? TRUE : FALSE); +} + +/* m_item_val.c ends here */ |