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