/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2010 <Jean-Pierre Charras>
 * Copyright (C) 1992-2010 KiCad Developers, see change_log.txt for contributors.
 *
 * 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
 * of the License, 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 program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

/**
 * @file gerbview/controle.cpp
 */

#include <fctsys.h>
#include <common.h>
#include <class_drawpanel.h>
#include <gerbview.h>


void GERBVIEW_FRAME::GeneralControl( wxDC* aDC, const wxPoint& aPosition, int aHotKey )
{
    wxRealPoint gridSize;
    wxPoint     oldpos;
    wxPoint     pos = aPosition;

    pos = GetScreen()->GetNearestGridPosition( pos );

    oldpos = GetScreen()->GetCrossHairPosition();
    gridSize = GetScreen()->GetGridSize();

    switch( aHotKey )
    {
    case WXK_NUMPAD8:
    case WXK_UP:
        pos.y -= wxRound( gridSize.y );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD2:
    case WXK_DOWN:
        pos.y += wxRound( gridSize.y );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD4:
    case WXK_LEFT:
        pos.x -= wxRound( gridSize.x );
        m_canvas->MoveCursor( pos );
        break;

    case WXK_NUMPAD6:
    case WXK_RIGHT:
        pos.x += wxRound( gridSize.x );
        m_canvas->MoveCursor( pos );
        break;

    default:
        break;
    }

    GetScreen()->SetCrossHairPosition( pos );

    if( oldpos != GetScreen()->GetCrossHairPosition() )
    {
        pos = GetScreen()->GetCrossHairPosition();
        GetScreen()->SetCrossHairPosition( oldpos );
        m_canvas->CrossHairOff( aDC );
        GetScreen()->SetCrossHairPosition( pos );
        m_canvas->CrossHairOn( aDC );

        if( m_canvas->IsMouseCaptured() )
        {
#ifdef USE_WX_OVERLAY
            wxDCOverlay oDC( m_overlay, (wxWindowDC*)aDC );
            oDC.Clear();
            m_canvas->CallMouseCapture( aDC, aPosition, false );
#else
            m_canvas->CallMouseCapture( aDC, aPosition, true );
#endif
        }
#ifdef USE_WX_OVERLAY
        else
        {
            m_overlay.Reset();
        }
#endif

    }

    if( aHotKey )
    {
        OnHotKey( aDC, aHotKey, NULL );
    }

    UpdateStatusBar();
}