-/*-----------------------------------------------------------------------------+
-| 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. |
-+-----------------------------------------------------------------------------*/
+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 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 menu_item_cur *
+* Module m_item_cur *
* Set and get current menus item *
***************************************************************************/
#include "menu.priv.h"
-MODULE_ID("$Id: m_item_cur.c,v 1.7 1997/05/01 16:47:26 juergen Exp $")
+MODULE_ID("$Id: m_item_cur.c,v 1.17 2004/12/25 21:57:38 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
-int set_current_item(MENU * menu, ITEM * item)
+NCURSES_EXPORT(int)
+set_current_item(MENU * menu, ITEM * item)
{
- if (menu && item && (item->imenu==menu))
+ T((T_CALLED("set_current_item(%p,%p)"), menu, item));
+
+ if (menu && item && (item->imenu == menu))
{
- if ( menu->status & _IN_DRIVER )
+ if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
-
- assert( menu->curitem );
+
+ assert(menu->curitem);
if (item != menu->curitem)
{
if (menu->status & _LINK_NEEDED)
assert(menu->pattern);
Reset_Pattern(menu);
/* adjust the window to make item visible and update the menu */
- Adjust_Current_Item(menu,menu->toprow,item);
+ Adjust_Current_Item(menu, menu->toprow, item);
}
}
else
RETURN(E_BAD_ARGUMENT);
-
+
RETURN(E_OK);
}
|
| Return Values : Item pointer or NULL if failure
+--------------------------------------------------------------------------*/
-ITEM *current_item(const MENU * menu)
+NCURSES_EXPORT(ITEM *)
+current_item(const MENU * menu)
{
- return (menu && menu->items) ? menu->curitem : (ITEM *)0;
+ T((T_CALLED("current_item(%p)"), menu));
+ returnItem((menu && menu->items) ? menu->curitem : (ITEM *) 0);
}
/*---------------------------------------------------------------------------
|
| 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;
-}
-
-/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : int set_top_row(MENU *menu, int row)
-|
-| Description : Makes the speified row the top row in the menu
-|
-| Return Values : E_OK - success
-| E_BAD_ARGUMENT - not a menu pointer or invalid row
-| E_NOT_CONNECTED - there are no items for the menu
-+--------------------------------------------------------------------------*/
-int set_top_row(MENU * menu, int row)
-{
- ITEM *item;
-
- if (menu)
- {
- if ( menu->status & _IN_DRIVER )
- RETURN(E_BAD_STATE);
- if (menu->items == (ITEM **)0)
- RETURN(E_NOT_CONNECTED);
-
- if ((row<0) || (row > (menu->rows - menu->arows)))
- RETURN(E_BAD_ARGUMENT);
- }
- else
- RETURN(E_BAD_ARGUMENT);
-
- if (row != menu->toprow)
- {
- if (menu->status & _LINK_NEEDED)
- _nc_Link_Items(menu);
-
- item = menu->items[ (menu->opt&O_ROWMAJOR) ? (row*menu->cols) : row ];
- assert(menu->pattern);
- Reset_Pattern(menu);
- _nc_New_TopRow_and_CurrentItem(menu, row, item);
- }
-
- RETURN(E_OK);
-}
-
-/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : int top_row(const MENU *)
-|
-| Description : Return the top row of the menu
-|
-| Return Values : The row number or ERR if there is no row
-+--------------------------------------------------------------------------*/
-int top_row(const MENU * menu)
+NCURSES_EXPORT(int)
+item_index(const ITEM * item)
{
- if (menu && menu->items && *(menu->items))
- {
- assert( (menu->toprow>=0) && (menu->toprow < menu->rows) );
- return menu->toprow;
- }
- else
- return(ERR);
+ T((T_CALLED("item_index(%p)"), item));
+ returnCode((item && item->imenu) ? item->index : ERR);
}
/* m_item_cur.c ends here */