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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef _SVX_CHARMAP_HXX
#define _SVX_CHARMAP_HXX

// include ---------------------------------------------------------------

#include <vcl/ctrl.hxx>
#include <vcl/metric.hxx>
#include <vcl/scrbar.hxx>
#include <map>
#include <tools/shl.hxx> //add CHINA001
#include <tools/debug.hxx> //add CHINA001
#include "svx/svxdllapi.h"

// define ----------------------------------------------------------------

#define COLUMN_COUNT    16
#define ROW_COUNT        8

namespace svx
{
	struct SvxShowCharSetItem;
	class SvxShowCharSetVirtualAcc;
}

// class SvxShowCharSet --------------------------------------------------

class SVX_DLLPUBLIC SvxShowCharSet : public Control
{
public:
					SvxShowCharSet( Window* pParent, const ResId& rResId );
					~SvxShowCharSet();

	void            SetFont( const Font& rFont );

	void            SelectCharacter( sal_uInt32 cNew, sal_Bool bFocus = sal_False );
	sal_UCS4        GetSelectCharacter() const;

	Link            GetDoubleClickHdl() const { return aDoubleClkHdl; }
	void			SetDoubleClickHdl( const Link& rLink ) { aDoubleClkHdl = rLink; }
	Link            GetSelectHdl() const { return aSelectHdl; }
	void            SetSelectHdl( const Link& rHdl ) { aSelectHdl = rHdl; }
	Link            GetHighlightHdl() const { return aHighHdl; }
	void            SetHighlightHdl( const Link& rHdl )	{ aHighHdl = rHdl; }
	Link            GetPreSelectHdl() const { return aHighHdl; }
	void            SetPreSelectHdl( const Link& rHdl )	{ aPreSelectHdl = rHdl; }
	static sal_uInt32& getSelectedChar();

#ifdef _SVX_CHARMAP_CXX_
	::svx::SvxShowCharSetItem*	ImplGetItem( int _nPos );
	int							FirstInView( void) const;
	int							LastInView( void) const;
	int							PixelToMapIndex( const Point&) const;
	void						SelectIndex( int index, sal_Bool bFocus = sal_False );
	void						DeSelect();
	inline sal_Bool				IsSelected(sal_uInt16 _nPos) const { return _nPos == nSelectedIndex; }
	inline sal_uInt16				GetSelectIndexId() const { return sal::static_int_cast<sal_uInt16>(nSelectedIndex); }
	sal_uInt16						GetRowPos(sal_uInt16 _nPos) const;
	sal_uInt16						GetColumnPos(sal_uInt16 _nPos) const;

	void						ImplFireAccessibleEvent( short nEventId,
														 const ::com::sun::star::uno::Any& rOldValue,
														 const ::com::sun::star::uno::Any& rNewValue );
	ScrollBar*					getScrollBar();
	void						ReleaseAccessible();
	sal_Int32					getMaxCharCount() const;
#endif // _SVX_CHARMAP_CXX_

protected:
	virtual void    Paint( const Rectangle& );
	virtual void    MouseButtonDown( const MouseEvent& rMEvt );
	virtual void    MouseButtonUp( const MouseEvent& rMEvt );
	virtual void    MouseMove( const MouseEvent& rMEvt );
	virtual void    Command( const CommandEvent& rCEvt );
	virtual void    KeyInput( const KeyEvent& rKEvt );
	virtual void    GetFocus();
	virtual void    LoseFocus();
	virtual void	StateChanged( StateChangedType nStateChange );
	virtual void	DataChanged( const DataChangedEvent& rDCEvt );


    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > CreateAccessible();



private:
	typedef ::std::map<sal_Int32, ::svx::SvxShowCharSetItem*> ItemsMap;
	ItemsMap		m_aItems;
	Link            aDoubleClkHdl;
	Link            aSelectHdl;
	Link            aHighHdl;
	Link			aPreSelectHdl;
	::svx::SvxShowCharSetVirtualAcc*	m_pAccessible;
	::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > m_xAccessible;
	long	        nX;
	long			nY;
	sal_Bool            bDrag;

	sal_Int32		nSelectedIndex;

    FontCharMap     maFontCharMap;
    ScrollBar       aVscrollSB;
    Size            aOrigSize;
    Point           aOrigPos;

private:
    void            DrawChars_Impl( int n1, int n2);
    void            InitSettings( sal_Bool bForeground, sal_Bool bBackground);
    // abstraction layers are: Unicode<->MapIndex<->Pixel
    Point           MapIndexToPixel( int) const;
	DECL_LINK( VscrollHdl, ScrollBar* );
};

#endif