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authorPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
committerPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
commit0e3d540892016a47f6a68ec9ba2879d35ce5f7c2 (patch)
treead214c5b2c8142ad6dc6d2ce3a9c83e6317d7f77 /contrib/ncurses/menu/m_item_val.c
downloadsrc-0e3d540892016a47f6a68ec9ba2879d35ce5f7c2.tar.gz
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Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.vendor/ncurses/5.0-19990821
This contains the full eti (panel, form, menu) extensions. bmake glue to follow. Obtained from: ftp://ftp.clark.net/pub/dickey/ncurses
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=50276 svn path=/vendor/ncurses/5.0-19990821/; revision=50278; tag=vendor/ncurses/5.0-19990821
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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_val *
+* Set and get menus item values *
+***************************************************************************/
+
+#include "menu.priv.h"
+
+MODULE_ID("$Id: m_item_val.c,v 1.8 1999/05/16 17:26:20 juergen Exp $")
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : int set_item_value(ITEM *item, int value)
+|
+| Description : Programmatically set the items selection value. This is
+| only allowed if the item is selectable at all and if
+| it is not connected to a single-valued menu.
+| If the item is connected to a posted menu, the menu
+| will be redisplayed.
+|
+| Return Values : E_OK - success
+| E_REQUEST_DENIED - not selectable or single valued menu
++--------------------------------------------------------------------------*/
+int set_item_value(ITEM *item, bool value)
+{
+ MENU *menu;
+
+ if (item)
+ {
+ menu = item->imenu;
+
+ if ((!(item->opt & O_SELECTABLE)) ||
+ (menu && (menu->opt & O_ONEVALUE)))
+ RETURN(E_REQUEST_DENIED);
+
+ if (item->value ^ value)
+ {
+ item->value = value ? TRUE : FALSE;
+ if (menu)
+ {
+ if (menu->status & _POSTED)
+ {
+ Move_And_Post_Item(menu,item);
+ _nc_Show_Menu(menu);
+ }
+ }
+ }
+ }
+ else
+ _nc_Default_Item.value = value;
+
+ RETURN(E_OK);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnmenu
+| Function : bool item_value(const ITEM *item)
+|
+| Description : Return the selection value of the item
+|
+| Return Values : TRUE - if item is selected
+| FALSE - if item is not selected
++--------------------------------------------------------------------------*/
+bool item_value(const ITEM *item)
+{
+ return ((Normalize_Item(item)->value) ? TRUE : FALSE);
+}
+
+/* m_item_val.c ends here */