harbour-core/harbour/src/rtl/inkey.c

/*
 * $Id$
 */

/*
 * Harbour Project source code:
 * The Keyboard API
 *
 * Copyright 1999 David G. Holm <dholm@jsd-llc.com>
 * www - http://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.
 *
 */

/*
 * The following parts are Copyright of the individual authors.
 * www - http://harbour-project.org
 *
 * Copyright 1999-2001 Viktor Szakats (harbour.01 syenar.hu)
 *    HB_KEYPUT()
 *
 * Copyright 2003 Przemyslaw Czerpak <druzus@acn.waw.pl>
 *    HB_SETLASTKEY()
 *
 * See COPYING for licensing terms.
 *
 */

#include "hbapigt.h"
#include "hbapiitm.h"
#include "hbset.h"
#include "hbstack.h"
#include "hbvm.h"

HB_FUNC( INKEY )
{
   int iPCount = hb_pcount();

   hb_retni( hb_inkey( iPCount == 1 || ( iPCount > 1 && HB_ISNUM( 1 ) ),
                       hb_parnd( 1 ), hb_parnidef( 2, hb_setGetEventMask() ) ) );
}

HB_FUNC( __KEYBOARD )
{
   /* Clear the typeahead buffer without reallocating the keyboard buffer */
   hb_inkeyReset();

   if( HB_ISCHAR( 1 ) )
      hb_inkeySetText( hb_parc( 1 ), hb_parclen( 1 ) );
}

HB_FUNC( HB_KEYCLEAR )
{
   hb_inkeyReset();
}

HB_FUNC( HB_KEYPUT )
{
   if( HB_ISNUM( 1 ) )
   {
      hb_inkeyPut( hb_parni( 1 ) );
   }
   else if( HB_ISCHAR( 1 ) )
   {
      hb_inkeySetText( hb_parc( 1 ), hb_parclen( 1 ) );
   }
   else if( HB_ISARRAY( 1 ) )
   {
      PHB_ITEM pArray = hb_param( 1, HB_IT_ARRAY );
      HB_SIZE nIndex;
      HB_SIZE nElements = hb_arrayLen( pArray );

      for( nIndex = 1; nIndex <= nElements; ++nIndex )
      {
         HB_TYPE type = hb_arrayGetType( pArray, nIndex );

         if( type & HB_IT_NUMERIC )
         {
            hb_inkeyPut( hb_arrayGetNI( pArray, nIndex ) );
         }
         else if( type & HB_IT_STRING )
         {
            hb_inkeySetText( hb_arrayGetCPtr( pArray, nIndex ), hb_arrayGetCLen( pArray, nIndex ) );
         }
      }
   }
}

HB_FUNC( HB_KEYINS )
{
   if( HB_ISNUM( 1 ) )
   {
      hb_inkeyIns( hb_parni( 1 ) );
   }
   else if( HB_ISCHAR( 1 ) )
   {
      hb_inkeySetText( hb_parc( 1 ), hb_parclen( 1 ) );
   }
   else if( HB_ISARRAY( 1 ) )
   {
      PHB_ITEM pArray = hb_param( 1, HB_IT_ARRAY );
      HB_SIZE nIndex;
      HB_SIZE nElements = hb_arrayLen( pArray );

      for( nIndex = 1; nIndex <= nElements; ++nIndex )
      {
         HB_TYPE type = hb_arrayGetType( pArray, nIndex );

         if( type & HB_IT_NUMERIC )
         {
            hb_inkeyIns( hb_arrayGetNI( pArray, nIndex ) );
         }
         else if( type & HB_IT_STRING )
         {
            hb_inkeySetText( hb_arrayGetCPtr( pArray, nIndex ), hb_arrayGetCLen( pArray, nIndex ) );
         }
      }
   }
}

HB_FUNC( NEXTKEY )
{
#if defined( HB_LEGACY_LEVEL3 )
   /* NOTE: Dirty extension. Clipper accepts no parameter here. Deprecated */
   hb_retni( hb_inkeyNext( HB_ISNUM( 1 ) ? hb_parni( 1 ) : hb_setGetEventMask() ) );
#else
   hb_retni( hb_inkeyNext( hb_setGetEventMask() ) );
#endif
}

HB_FUNC( LASTKEY )
{
   hb_retni( hb_inkeyLast( INKEY_ALL ) );
}

HB_FUNC( HB_SETLASTKEY )
{
   if( HB_ISNUM( 1 ) )
      hb_retni( hb_inkeySetLast( hb_parni( 1 ) ) );
}