/*
 * $Id$
 */

/*
 * Harbour Project source code:
 *    Low level keyboard shift state functions common to some GT drivers
 *
 * Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
 * 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.
 *
 */


/* NOTE: User programs should never call this layer directly! */

#define HB_OS_WIN_32_USED
#include "hbgtcore.h"

#if defined( HB_OS_WIN_32 )

int hb_gt_w32_getKbdState( void )
{
   BYTE kbState[256];
   int iKbdState = 0;

   GetKeyboardState( kbState );

   if( kbState[VK_SHIFT   ] & 0x80 ) iKbdState |= HB_GTI_KBD_SHIFT;
   if( kbState[VK_CONTROL ] & 0x80 ) iKbdState |= HB_GTI_KBD_CTRL;
   if( kbState[VK_MENU    ] & 0x80 ) iKbdState |= HB_GTI_KBD_ALT;
   if( kbState[VK_LWIN    ] & 0x80 ) iKbdState |= HB_GTI_KBD_LWIN;
   if( kbState[VK_RWIN    ] & 0x80 ) iKbdState |= HB_GTI_KBD_RWIN;
   if( kbState[VK_APPS    ] & 0x80 ) iKbdState |= HB_GTI_KBD_MENU;
   if( kbState[VK_SCROLL  ] & 0x01 ) iKbdState |= HB_GTI_KBD_SCROLOCK;
   if( kbState[VK_NUMLOCK ] & 0x01 ) iKbdState |= HB_GTI_KBD_NUMLOCK;
   if( kbState[VK_CAPITAL ] & 0x01 ) iKbdState |= HB_GTI_KBD_CAPSLOCK;
   if( kbState[VK_INSERT  ] & 0x01 ) iKbdState |= HB_GTI_KBD_INSERT;

   return iKbdState;
}

void hb_gt_w32_setKbdState( int iKbdState )
{
   BYTE kbState[256];

   GetKeyboardState( kbState );

   kbState[VK_SHIFT  ] = ( iKbdState & HB_GTI_KBD_SHIFT    ) ? 0x80 : 0;
   kbState[VK_CONTROL] = ( iKbdState & HB_GTI_KBD_CTRL     ) ? 0x80 : 0;
   kbState[VK_MENU   ] = ( iKbdState & HB_GTI_KBD_ALT      ) ? 0x80 : 0;
   kbState[VK_LWIN   ] = ( iKbdState & HB_GTI_KBD_LWIN     ) ? 0x80 : 0;
   kbState[VK_RWIN   ] = ( iKbdState & HB_GTI_KBD_RWIN     ) ? 0x80 : 0;
   kbState[VK_APPS   ] = ( iKbdState & HB_GTI_KBD_MENU     ) ? 0x80 : 0;
   kbState[VK_SCROLL ] = ( iKbdState & HB_GTI_KBD_SCROLOCK ) ? 0x01 : 0;
   kbState[VK_NUMLOCK] = ( iKbdState & HB_GTI_KBD_NUMLOCK  ) ? 0x01 : 0;
   kbState[VK_CAPITAL] = ( iKbdState & HB_GTI_KBD_CAPSLOCK ) ? 0x01 : 0;
   kbState[VK_INSERT ] = ( iKbdState & HB_GTI_KBD_INSERT   ) ? 0x01 : 0;

   SetKeyboardState( kbState );
}


#endif /* HB_OS_WIN_32 */
