githubmirror/ncurses

menu/m_sub.c
80 строк4 KB
Thomas E. Dickey
ncurses 4.2
01 мар 1998, 07:21
01 мар 1998, 07:21661078d
/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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 * "Software"), to deal in the Software without restriction, including      *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
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 ****************************************************************************/

/****************************************************************************
 *   Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997        *
 ****************************************************************************/

/***************************************************************************
* Module m_sub                                                             *
* Menus subwindow association routines                                     *
***************************************************************************/

#include "menu.priv.h"

MODULE_ID("$Id: m_sub.c,v 1.2 1998/02/11 12:13:50 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  int set_menu_sub(MENU *menu, WINDOW *win)
|   
|   Description   :  Sets the subwindow of the menu.
|
|   Return Values :  E_OK           - success
|                    E_POSTED       - menu is already posted
+--------------------------------------------------------------------------*/
int set_menu_sub(MENU *menu, WINDOW *win)
{
  if (menu)
    {
      if ( menu->status & _POSTED )
	RETURN(E_POSTED);
      menu->usersub = win;
      _nc_Calculate_Item_Length_and_Width(menu);
    }
  else
    _nc_Default_Menu.usersub = win;
  
  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  WINDOW *menu_sub(const MENU *menu)
|   
|   Description   :  Returns a pointer to the subwindow of the menu
|
|   Return Values :  NULL on error, otherwise a pointer to the window
+--------------------------------------------------------------------------*/
WINDOW *menu_sub(const MENU * menu)
{
  const MENU* m = Normalize_Menu(menu);
  return Get_Menu_Window(m);
}

/* m_sub.c ends here */