/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SV_SLIDER_HXX
#define _SV_SLIDER_HXX

#include <vcl/sv.h>
#include <vcl/dllapi.h>
#include <vcl/ctrl.hxx>
// for enum ScrollType
#include <vcl/scrbar.hxx>

// ----------
// - Slider -
// ----------

class VCL_DLLPUBLIC Slider : public Control
{
private:
    Rectangle		maChannel1Rect;
    Rectangle		maChannel2Rect;
    Rectangle		maThumbRect;
    long			mnStartPos;
    long			mnMouseOff;
    long			mnThumbPixOffset;
    long			mnThumbPixRange;
    long			mnThumbPixPos;
    long			mnChannelPixOffset;
    long			mnChannelPixRange;
    long			mnChannelPixTop;
    long			mnChannelPixBottom;
    long			mnMinRange;
    long			mnMaxRange;
    long			mnThumbPos;
    long			mnLineSize;
    long			mnPageSize;
    long			mnDelta;
    sal_uInt16			mnDragDraw;
    sal_uInt16			mnStateFlags;
    ScrollType		meScrollType;
    sal_Bool			mbCalcSize;
    sal_Bool			mbFullDrag;
    Link			maSlideHdl;
    Link			maEndSlideHdl;

    using Control::ImplInitSettings;
    using Window::ImplInit;
    SAL_DLLPRIVATE void	ImplInit( Window* pParent, WinBits nStyle );
    SAL_DLLPRIVATE void	ImplLoadRes( const ResId& rResId );
    SAL_DLLPRIVATE void	ImplInitSettings();
    SAL_DLLPRIVATE void	ImplUpdateRects( sal_Bool bUpdate = sal_True );
    SAL_DLLPRIVATE long	ImplCalcThumbPos( long nPixPos );
    SAL_DLLPRIVATE long	ImplCalcThumbPosPix( long nPos );
    SAL_DLLPRIVATE void	ImplCalc( sal_Bool bUpdate = sal_True );
    SAL_DLLPRIVATE void	ImplDraw( sal_uInt16 nDrawFlags );
    SAL_DLLPRIVATE sal_Bool	ImplIsPageUp( const Point& rPos );
    SAL_DLLPRIVATE sal_Bool	ImplIsPageDown( const Point& rPos );
    SAL_DLLPRIVATE long	ImplSlide( long nNewPos, sal_Bool bCallEndSlide );
    SAL_DLLPRIVATE long	ImplDoAction( sal_Bool bCallEndSlide );
    SAL_DLLPRIVATE void	ImplDoMouseAction( const Point& rPos, sal_Bool bCallAction = sal_True );
    SAL_DLLPRIVATE long	ImplDoSlide( long nNewPos );
    SAL_DLLPRIVATE long	ImplDoSlideAction( ScrollType eScrollType );

public:
                    Slider( Window* pParent, WinBits nStyle = WB_HORZ );
                    Slider( Window* pParent, const ResId& rResId );

    virtual void	MouseButtonDown( const MouseEvent& rMEvt );
    virtual void	MouseButtonUp( const MouseEvent& rMEvt );
    virtual void	Tracking( const TrackingEvent& rTEvt );
    virtual void	KeyInput( const KeyEvent& rKEvt );
    virtual void	Paint( const Rectangle& rRect );
    virtual void	Resize();
    virtual void	RequestHelp( const HelpEvent& rHEvt );
    virtual void	StateChanged( StateChangedType nType );
    virtual void	DataChanged( const DataChangedEvent& rDCEvt );

    virtual void	Slide();
    virtual void	EndSlide();

    void			EnableDrag( sal_Bool bEnable = sal_True )
                        { mbFullDrag = bEnable; }
    sal_Bool			IsDragEnabled() const { return mbFullDrag; }

    void			SetRangeMin( long nNewRange );
    long			GetRangeMin() const { return mnMinRange; }
    void			SetRangeMax( long nNewRange );
    long			GetRangeMax() const { return mnMaxRange; }
    void			SetRange( const Range& rRange );
    Range			GetRange() const { return Range( GetRangeMin(), GetRangeMax() ); }
    void			SetThumbPos( long nThumbPos );
    long			GetThumbPos() const { return mnThumbPos; }
    void			SetLineSize( long nNewSize ) { mnLineSize = nNewSize; }
    long			GetLineSize() const { return mnLineSize; }
    void			SetPageSize( long nNewSize ) { mnPageSize = nNewSize; }
    long			GetPageSize() const { return mnPageSize; }

    long			GetDelta() const { return mnDelta; }

    Size			CalcWindowSizePixel();

    void			SetSlideHdl( const Link& rLink ) { maSlideHdl = rLink; }
    const Link& 	GetSlideHdl() const { return maSlideHdl;	}
    void			SetEndSlideHdl( const Link& rLink ) { maEndSlideHdl = rLink; }
    const Link& 	GetEndSlideHdl() const { return maEndSlideHdl; }
};

#endif // _SV_SLIDER_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
