freebsd-dev/menu/m_scale.c

74 lines
3.6 KiB
C

/****************************************************************************
* Copyright (c) 1998-2003,2004 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_scale *
* Menu scaling routine *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_scale.c,v 1.9 2004/12/11 23:29:34 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int scale_menu(const MENU *menu)
|
| Description : Returns the minimum window size necessary for the
| subwindow of menu.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid menu pointer
| E_NOT_CONNECTED - no items are connected to menu
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
scale_menu(const MENU * menu, int *rows, int *cols)
{
T((T_CALLED("scale_menu(%p,%p,%p)"), menu, rows, cols));
if (!menu)
RETURN(E_BAD_ARGUMENT);
if (menu->items && *(menu->items))
{
if (rows)
*rows = menu->height;
if (cols)
*cols = menu->width;
RETURN(E_OK);
}
else
RETURN(E_NOT_CONNECTED);
}
/* m_scale.c ends here */