/**************************************************************************** * Copyright (c) 1998-2002,2003 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 * ****************************************************************************/ /*************************************************************************** * Module m_item_cur * * Set and get current menus item * ***************************************************************************/ #include "menu.priv.h" MODULE_ID("$Id: m_item_cur.c,v 1.14 2003/10/25 15:23:42 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int set_current_item(MENU *menu, const ITEM *item) | | Description : Make the item the current item | | Return Values : E_OK - success +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) set_current_item (MENU * menu, ITEM * item) { if (menu && item && (item->imenu==menu)) { if ( menu->status & _IN_DRIVER ) RETURN(E_BAD_STATE); assert( menu->curitem ); if (item != menu->curitem) { if (menu->status & _LINK_NEEDED) { /* * Items are available, but they are not linked together. * So we have to link here. */ _nc_Link_Items(menu); } assert(menu->pattern); Reset_Pattern(menu); /* adjust the window to make item visible and update the menu */ Adjust_Current_Item(menu,menu->toprow,item); } } else RETURN(E_BAD_ARGUMENT); RETURN(E_OK); } /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : ITEM *current_item(const MENU *menu) | | Description : Return the menus current item | | Return Values : Item pointer or NULL if failure +--------------------------------------------------------------------------*/ NCURSES_EXPORT(ITEM *) current_item (const MENU * menu) { return (menu && menu->items) ? menu->curitem : (ITEM *)0; } /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int item_index(const ITEM *) | | Description : Return the logical index of this item. | | Return Values : The index or ERR if this is an invalid item pointer +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) item_index (const ITEM *item) { return (item && item->imenu) ? item->index : ERR; } /* m_item_cur.c ends here */