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+/****************************************************************************
+ * Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 *
+ ****************************************************************************/
+
+/***************************************************************************
+* Module m_item_opt *
+* Menus item option routines *
+***************************************************************************/
+
+#include "menu.priv.h"
+
+MODULE_ID("$Id: m_item_opt.c,v 1.10 1999/05/16 17:25:52 juergen Exp $")
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : int set_item_opts(ITEM *item, Item_Options opts)
+|
+| Description : Set the options of the item. If there are relevant
+| changes, the item is connected and the menu is posted,
+| the menu will be redisplayed.
+|
+| Return Values : E_OK - success
+| E_BAD_ARGUMENT - invalid item options
++--------------------------------------------------------------------------*/
+int set_item_opts(ITEM *item, Item_Options opts)
+{
+ opts &= ALL_ITEM_OPTS;
+
+ if (opts & ~ALL_ITEM_OPTS)
+ RETURN(E_BAD_ARGUMENT);
+
+ if (item)
+ {
+ if (item->opt != opts)
+ {
+ MENU *menu = item->imenu;
+
+ item->opt = opts;
+
+ if ((!(opts & O_SELECTABLE)) && item->value)
+ item->value = FALSE;
+
+ if (menu && (menu->status & _POSTED))
+ {
+ Move_And_Post_Item( menu, item );
+ _nc_Show_Menu(menu);
+ }
+ }
+ }
+ else
+ _nc_Default_Item.opt = opts;
+
+ RETURN(E_OK);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : int item_opts_off(ITEM *item, Item_Options opts)
+|
+| Description : Switch of the options for this item.
+|
+| Return Values : E_OK - success
+| E_BAD_ARGUMENT - invalid options
++--------------------------------------------------------------------------*/
+int item_opts_off(ITEM *item, Item_Options opts)
+{
+ ITEM *citem = item; /* use a copy because set_item_opts must detect
+ NULL item itself to adjust its behaviour */
+
+ if (opts & ~ALL_ITEM_OPTS)
+ RETURN(E_BAD_ARGUMENT);
+ else
+ {
+ Normalize_Item(citem);
+ opts = citem->opt & ~(opts & ALL_ITEM_OPTS);
+ return set_item_opts( item, opts );
+ }
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : int item_opts_on(ITEM *item, Item_Options opts)
+|
+| Description : Switch on the options for this item.
+|
+| Return Values : E_OK - success
+| E_BAD_ARGUMENT - invalid options
++--------------------------------------------------------------------------*/
+int item_opts_on(ITEM *item, Item_Options opts)
+{
+ ITEM *citem = item; /* use a copy because set_item_opts must detect
+ NULL item itself to adjust its behaviour */
+
+ opts &= ALL_ITEM_OPTS;
+ if (opts & ~ALL_ITEM_OPTS)
+ RETURN(E_BAD_ARGUMENT);
+ else
+ {
+ Normalize_Item(citem);
+ opts = citem->opt | opts;
+ return set_item_opts( item, opts );
+ }
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : Item_Options item_opts(const ITEM *item)
+|
+| Description : Switch of the options for this item.
+|
+| Return Values : Items options
++--------------------------------------------------------------------------*/
+Item_Options item_opts(const ITEM * item)
+{
+ return (ALL_ITEM_OPTS & Normalize_Item(item)->opt);
+}
+
+/* m_item_opt.c ends here */