freebsd-dev/contrib/ncurses/menu/m_scale.c
Peter Wemm 0e3d540892 Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.
This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from:	ftp://ftp.clark.net/pub/dickey/ncurses
1999-08-24 01:06:48 +00:00

72 lines
3.5 KiB
C

/****************************************************************************
* Copyright (c) 1998 Free Software Foundation, Inc. *
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* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
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****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_scale *
* Menu scaling routine *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_scale.c,v 1.4 1999/05/16 17:28:00 juergen 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
+--------------------------------------------------------------------------*/
int scale_menu(const MENU *menu, int *rows, int *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 */