freebsd-dev/contrib/ncurses/menu/m_win.c
2014-02-28 23:48:13 +00:00

101 lines
4.3 KiB
C

/****************************************************************************
* Copyright (c) 1998-2004,2010 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 *
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* 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. *
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****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_win *
* Menus window association routines *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_win.c,v 1.17 2010/01/23 21:20:11 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_win(MENU *menu, WINDOW *win)
|
| Description : Sets the window of the menu.
|
| Return Values : E_OK - success
| E_POSTED - menu is already posted
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_menu_win(MENU * menu, WINDOW *win)
{
T((T_CALLED("set_menu_win(%p,%p)"), (void *)menu, (void *)win));
if (menu)
{
if (menu->status & _POSTED)
RETURN(E_POSTED);
else
#if NCURSES_SP_FUNCS
{
/* We ensure that userwin is never null. So even if a null
WINDOW parameter is passed, we store the SCREENS stdscr.
The only MENU that can have a null userwin is the static
_nc_default_Menu.
*/
SCREEN *sp = _nc_screen_of(menu->userwin);
menu->userwin = win ? win : sp->_stdscr;
_nc_Calculate_Item_Length_and_Width(menu);
}
#else
menu->userwin = win;
#endif
}
else
_nc_Default_Menu.userwin = win;
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : WINDOW* menu_win(const MENU*)
|
| Description : Returns pointer to the window of the menu
|
| Return Values : NULL on error, otherwise pointer to window
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(WINDOW *)
menu_win(const MENU * menu)
{
const MENU *m = Normalize_Menu(menu);
T((T_CALLED("menu_win(%p)"), (const void *)menu));
returnWin(Get_Menu_UserWin(m));
}
/* m_win.c ends here */