/**************************************************************************** * 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                                    * ****************************************************************************//**************************************************************************** Module m_opts                                                            ** Menus option routines                                                    ****************************************************************************/#include "menu.priv.h"MODULE_ID("$Id: m_opts.c,v 1.16 2003/11/08 20:50:19 tom Exp $")/*---------------------------------------------------------------------------|   Facility      :  libnmenu|   Function      :  int set_menu_opts(MENU *menu, Menu_Options opts)||   Description   :  Set the options for this menu. If the new settings|                    end up in a change of the geometry of the menu, it|                    will be recalculated. This operation is forbidden if|                    the menu is already posted.||   Return Values :  E_OK           - success|                    E_BAD_ARGUMENT - invalid menu options|                    E_POSTED       - menu is already posted+--------------------------------------------------------------------------*/NCURSES_EXPORT(int)set_menu_opts (MENU * menu, Menu_Options opts){  opts &= ALL_MENU_OPTS;  if (opts & ~ALL_MENU_OPTS)    RETURN(E_BAD_ARGUMENT);  if (menu)    {      if ( menu->status & _POSTED )	RETURN(E_POSTED);      if ( (opts&O_ROWMAJOR) != (menu->opt&O_ROWMAJOR))	{	  /* we need this only if the layout really changed ... */	  if (menu->items && menu->items[0])	    {	      menu->toprow  = 0;	      menu->curitem = menu->items[0];	      assert(menu->curitem);	      set_menu_format( menu, menu->frows, menu->fcols );	    }	}      menu->opt = opts;      if (opts & O_ONEVALUE)	{	  ITEM **item;	  if ( ((item=menu->items) != (ITEM**)0) )	    for(;*item;item++)	      (*item)->value = FALSE;	}      if (opts & O_SHOWDESC)	/* this also changes the geometry */	_nc_Calculate_Item_Length_and_Width( menu );    }  else    _nc_Default_Menu.opt = opts;  RETURN(E_OK);}/*---------------------------------------------------------------------------|   Facility      :  libnmenu|   Function      :  int menu_opts_off(MENU *menu, Menu_Options opts)||   Description   :  Switch off the options for this menu. If the new settings|                    end up in a change of the geometry of the menu, it|                    will be recalculated. This operation is forbidden if|                    the menu is already posted.||   Return Values :  E_OK           - success|                    E_BAD_ARGUMENT - invalid options|                    E_POSTED       - menu is already posted+--------------------------------------------------------------------------*/NCURSES_EXPORT(int)menu_opts_off (MENU *menu, Menu_Options  opts){  MENU *cmenu = menu; /* use a copy because set_menu_opts must detect                         NULL menu itself to adjust its behavior */  opts &= ALL_MENU_OPTS;  if (opts & ~ALL_MENU_OPTS)    RETURN(E_BAD_ARGUMENT);  else    {      Normalize_Menu(cmenu);      opts = cmenu->opt & ~opts;      return set_menu_opts( menu, opts );    }}/*---------------------------------------------------------------------------|   Facility      :  libnmenu|   Function      :  int menu_opts_on(MENU *menu, Menu_Options opts)||   Description   :  Switch on the options for this menu. If the new settings|                    end up in a change of the geometry of the menu, it|                    will be recalculated. This operation is forbidden if|                    the menu is already posted.||   Return Values :  E_OK           - success|                    E_BAD_ARGUMENT - invalid menu options|                    E_POSTED       - menu is already posted+--------------------------------------------------------------------------*/NCURSES_EXPORT(int)menu_opts_on (MENU * menu, Menu_Options opts){  MENU *cmenu = menu; /* use a copy because set_menu_opts must detect                         NULL menu itself to adjust its behavior */  opts &= ALL_MENU_OPTS;  if (opts & ~ALL_MENU_OPTS)    RETURN(E_BAD_ARGUMENT);  else    {      Normalize_Menu(cmenu);      opts = cmenu->opt | opts;      return set_menu_opts(menu, opts);    }}/*---------------------------------------------------------------------------|   Facility      :  libnmenu|   Function      :  Menu_Options menu_opts(const MENU *menu)||   Description   :  Return the options for this menu.||   Return Values :  Menu options+--------------------------------------------------------------------------*/NCURSES_EXPORT(Menu_Options)menu_opts (const MENU *menu){  return (ALL_MENU_OPTS & Normalize_Menu( menu )->opt);}/* m_opts.c ends here */