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/* $OpenBSD: m_item_cur.c,v 1.3 1997/12/03 05:31:19 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses menu library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
/***************************************************************************
* Module m_item_cur *
* Set and get current menus item *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("Id: m_item_cur.c,v 1.8 1997/10/21 08:44:31 juergen 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
+--------------------------------------------------------------------------*/
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
+--------------------------------------------------------------------------*/
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
+--------------------------------------------------------------------------*/
int item_index(const ITEM *item)
{
return (item && item->imenu) ? item->index : ERR;
}
/* m_item_cur.c ends here */
|
