diff options
Diffstat (limited to 'ncurses-5.3/menu/m_item_cur.c')
| -rw-r--r-- | ncurses-5.3/menu/m_item_cur.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/ncurses-5.3/menu/m_item_cur.c b/ncurses-5.3/menu/m_item_cur.c new file mode 100644 index 0000000..4e4158d --- /dev/null +++ b/ncurses-5.3/menu/m_item_cur.c @@ -0,0 +1,110 @@ +/**************************************************************************** + * 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_cur * +* Set and get current menus item * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| 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 */ |