/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/


#ifndef _SRCEDTW_HXX
#define _SRCEDTW_HXX

#include <vcl/window.hxx>
#include <svl/lstner.hxx>
#include <unotools/options.hxx>
#include <vcl/timer.hxx>

#ifndef _TABLE_HXX //autogen
#include <tools/table.hxx>
#endif
#include <svtools/xtextedt.hxx>

class ScrollBar;
class SwSrcView;
class SwSrcEditWindow;
class TextEngine;
class ExtTextView;
class DataChangedEvent;

namespace utl
{
    class SourceViewConfig;
}

class TextViewOutWin : public Window
{
	ExtTextView*	pTextView;

protected:
	virtual void	Paint( const Rectangle& );
	virtual void	KeyInput( const KeyEvent& rKeyEvt );
	virtual void	MouseMove( const MouseEvent& rMEvt );
	virtual void	MouseButtonDown( const MouseEvent& rMEvt );
	virtual void	MouseButtonUp( const MouseEvent& rMEvt );
	virtual void	Command( const CommandEvent& rCEvt );
	virtual void	DataChanged( const DataChangedEvent& );

public:
		TextViewOutWin(Window* pParent, WinBits nBits) :
			Window(pParent, nBits), pTextView(0){}

	void	SetTextView( ExtTextView* pView ) {pTextView = pView;}

};

//------------------------------------------------------------
namespace svt{ class SourceViewConfig;}
class SwSrcEditWindow : public Window, public SfxListener, public utl::ConfigurationListener
{
private:
	ExtTextView*	pTextView;
	ExtTextEngine*	pTextEngine;

	TextViewOutWin*	pOutWin;
	ScrollBar	   	*pHScrollbar,
					*pVScrollbar;

	SwSrcView* 		pSrcView;
    utl::SourceViewConfig* pSourceViewConfig;

	long			nCurTextWidth;
	sal_uInt32			nStartLine;
    rtl_TextEncoding eSourceEncoding;
	sal_Bool			bReadonly;
	sal_Bool			bDoSyntaxHighlight;
	sal_Bool			bHighlighting;

	Timer			aSyntaxIdleTimer;
	Table			aSyntaxLineTable;

	void			ImpDoHighlight( const String& rSource, sal_uInt32 nLineOff );

	using OutputDevice::SetFont;
    void            SetFont();

	DECL_LINK( SyntaxTimerHdl, Timer * );
	DECL_LINK( TimeoutHdl, Timer * );

    using Window::Notify;
    using Window::Invalidate;

protected:

	virtual void	Resize();
	virtual void	DataChanged( const DataChangedEvent& );
	virtual void 	GetFocus();
//	virtual void 	LoseFocus();

	void 			CreateTextEngine();
	void			DoSyntaxHighlight( sal_uInt32 nPara );

	virtual void	Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
    virtual void    ConfigurationChanged( utl::ConfigurationBroadcaster*, sal_uInt32 );

	DECL_LINK(ScrollHdl, ScrollBar*);

public:
					SwSrcEditWindow( Window* pParent, SwSrcView* pParentView );
					~SwSrcEditWindow();

	void			SetScrollBarRanges();
	void			InitScrollBars();
	sal_uLong			Read( SvStream& rInput)
						{return pTextEngine->Read(rInput);}
	sal_uLong			Write( SvStream& rOutput)
						{return pTextEngine->Write(rOutput);}

	ExtTextView*	GetTextView()
						{return pTextView;}
	TextEngine*		GetTextEngine()
						{return pTextEngine;}
	SwSrcView* 		GetSrcView() {return pSrcView;}

	TextViewOutWin*	GetOutWin() {return pOutWin;}

	virtual void    Invalidate( sal_uInt16 nFlags = 0 );

	void			ClearModifyFlag()
						{ pTextEngine->SetModified(sal_False); }
	sal_Bool			IsModified() const
						{ return pTextEngine->IsModified();}
	void			CreateScrollbars();

	void			SetReadonly(sal_Bool bSet){bReadonly = bSet;}
	sal_Bool			IsReadonly(){return bReadonly;}

	void			DoDelayedSyntaxHighlight( sal_uInt32 nPara );

	void			SetStartLine(sal_uInt32 nLine){nStartLine = nLine;}

	virtual void	Command( const CommandEvent& rCEvt );
	void 			HandleWheelCommand( const CommandEvent& rCEvt );

    void            SetTextEncoding(rtl_TextEncoding eEncoding);
};

#endif