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Diffstat (limited to 'ncurses-5.3/menu/m_items.c')
| -rw-r--r-- | ncurses-5.3/menu/m_items.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_items.c b/ncurses-5.3/menu/m_items.c new file mode 100644 index 0000000..b860fab --- /dev/null +++ b/ncurses-5.3/menu/m_items.c @@ -0,0 +1,107 @@ +/**************************************************************************** + * 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_items * +* Connect and disconnect items to and from menus * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int set_menu_items(MENU *menu, ITEM **items) +| +| Description : Sets the item pointer array connected to menu. +| +| Return Values : E_OK - success +| E_POSTED - menu is already posted +| E_CONNECTED - one or more items are already connected +| to another menu. +| E_BAD_ARGUMENT - An incorrect menu or item array was +| passed to the function ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +set_menu_items (MENU * menu, ITEM ** items) +{ + if (!menu || (items && !(*items))) + RETURN(E_BAD_ARGUMENT); + + if ( menu->status & _POSTED ) + RETURN(E_POSTED); + + if (menu->items) + _nc_Disconnect_Items(menu); + + if (items) + { + if(!_nc_Connect_Items( menu, items )) + RETURN(E_CONNECTED); + } + + menu->items = items; + RETURN(E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : ITEM **menu_items(const MENU *menu) +| +| Description : Returns a pointer to the item pointer arry of the menu +| +| Return Values : NULL on error ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(ITEM **) +menu_items (const MENU *menu) +{ + return(menu ? menu->items : (ITEM **)0); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int item_count(const MENU *menu) +| +| Description : Get the number of items connected to the menu. If the +| menu pointer is NULL we return -1. +| +| Return Values : Number of items or -1 to indicate error. ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +item_count (const MENU *menu) +{ + return(menu ? menu->nitems : -1); +} + +/* m_items.c ends here */ |