Files
harbour-core/harbour/contrib/libct/screen1.c
Walter Negro 72fa84b903 * contrib/libct/screen1.c
! Now return correctly a numeric value.
2002-05-30 03:46:39 +00:00

123 lines
3.6 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* CT3 video functions: - SCREENATTR()
*
* Copyright 2002 Walter Negro <anegro@overnet.com.ar>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbdefs.h"
#include "hbapi.h"
#include "hbapigt.h"
/* $DOC$
* $FUNCNAME$
* SCREENATTR()
* $CATEGORY$
* CT3 video functions
* $ONELINER$
* $SYNTAX$
* SCREENATTR ( [<nRow>],[<nColumn>] ) -> <nAttr>
* $ARGUMENTS$
* <nRow> Designates the line from which to determine the attribute.
* The default is the cursor line.
*
* <nColumn> Designates the column from which to determine the
* attribute. The default is the cursor column.
*
* $RETURNS$
* SCREENATTR() returns the attribute at the designated position.
*
* $DESCRIPTION$
* SCREENATTR() returns the current screen attribute at <nRow> and
* <nColumn>. You can query targeted attributes this way and save them
* to use later, or process them later with INVERTATTR().
*
* TODO: add documentation
* $EXAMPLES$
* $TESTS$
* $STATUS$
* Started
* $COMPLIANCE$
* $PLATFORMS$
* All
* $FILES$
* Source is screen1.c, library is libct.
* $SEEALSO$
* $END$
*/
HB_FUNC( SCREENATTR )
{
USHORT uiSize;
int iRow, iCol;
char * pcPos;
iRow = hb_parni( 1 );
iCol = hb_parni( 2 );
hb_gtRectSize( iRow, iCol, iRow, iCol, &uiSize );
pcPos = (char * ) hb_xalloc( uiSize + 1 );
if( pcPos != NULL )
{
hb_gtSave( iRow, iCol, iRow, iCol, pcPos );
hb_retni( ( int ) pcPos[1] );
}
else
hb_retni( 0 );
hb_xfree( pcPos );
}