class RichEdit : public Ctrl, private TextArrayOps {
public:
	virtual void  Layout();
	virtual void  Paint(Draw& w);
	virtual bool  Key(dword key, int count);
	virtual void  LeftDown(Point p, dword flags);
	virtual void  MiddleDown(Point p, dword flags);
	virtual void  LeftUp(Point p, dword flags);
	virtual void  LeftDrag(Point p, dword flags);
	virtual void  RightDown(Point p, dword flags);
	virtual void  LeftDouble(Point p, dword flags);
	virtual void  LeftTriple(Point p, dword flags);
	virtual void  MouseMove(Point p, dword flags);
	virtual void  LeftRepeat(Point p, dword flags);
	virtual void  MouseWheel(Point p, int zdelta, dword keyflags);
	virtual void  CancelMode();
	virtual Image CursorImage(Point p, dword flags);
	virtual Value GetData() const;
	virtual void  SetData(const Value& v);
	virtual void  Serialize(Stream& s);
	virtual void  DragAndDrop(Point p, PasteClip& d);
	virtual void  DragRepeat(Point p);
	virtual void  DragLeave();
	virtual String GetSelectionData(const String& fmt) const;


private:
	Size                     p_size;
	bool                     sizetracking;
	ScrollBar                sb;
	Scroller                 scroller;
	RichRuler                ruler;
	RichText                 text;
	RichText::FormatInfo     formatinfo;
	int                      cursor, anchor;
	RichCaret                cursorc;
	RichPos                  cursorp;
	RichPos                  anchorp;
	int                      tablesel;
	Rect                     cells;
	int                      gx;
	int                      oselh, osell;
	int                      objectpos;
	Rect                     objectrect;
	RichHotPos               tabmove;
	int                      mpos;
	int                      undosteps;
	Rect                     dropcaret;
	bool                     selclick;
	DropList                 face;
	FontHeight               height;
	DataPusher               hyperlink;
	DataPusher               label;
	DataPusher               indexentry;
	FrameRight<Button>       gotolabel, gotoentry;
	MultiButton::SubButton  *setstyle;
	PopUpTable               gototable;
	ColorButton              ink, paper;
	ToolButton               adjustunits;
	DropList                 style;
	DropList                 language;
	Size                     pagesz;
	String                   footer;
	bool                     nolinks;
	bool                     overwrite;
	bool                     useraction, modified;
	static int               fixedlang;

	WithRichFindReplaceLayout<TopWindow> findreplace;

	bool                     found, notfoundfw;

	VectorMap<String, Value> vars;

	int                      unit;
	Color                    showcodes;
	int                      zoom;
	bool                     spellcheck;
	bool                     paintcarect;

	int                      undoserial;
	bool                     incundoserial;

	static int fh[];

	struct UndoRec {
		int     serial;
		int     cursor;

		virtual void     Apply(RichText& txt) = 0;
		virtual UndoRec *GetRedo(const RichText& txt) = 0;

		UndoRec *Serial(int s) { serial = s; return this; }

		virtual ~UndoRec() {}
	};

	struct UndoInsert : UndoRec {
		int                  pos;
		int                  length;
		bool                 typing;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoInsert(int pos, int length, bool typing = false);
	};

	struct UndoRemove : UndoRec {
		int                  pos;
		RichText             text;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoRemove(const RichText& txt, int pos, int length);
	};

	struct UndoFormat : UndoRec {
		int                 pos;
		int                 length;
		RichText::Formating format;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoFormat(const RichText& txt, int pos, int length);
	};

	struct UndoStyle : UndoRec {
		Uuid                 id;
		RichStyle            style;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoStyle(const RichText& txt, const Uuid& id);
	};

	struct UndoStyles : UndoRec {
		RichStyles           styles;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoStyles(const RichText& txt);
	};

	struct UndoTableFormat : UndoRec {
		int                 table;
		RichTable::Format   format;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoTableFormat(const RichText& txt, int table);
	};

	struct UndoCreateTable : UndoRec {
		int              table;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoCreateTable(int table) : table(table) {}
	};

	struct UndoDestroyTable : UndoRec {
		int              pos;
		RichTable        table;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoDestroyTable(const RichText& txt, int pos);
	};

	struct UndoRemoveParaSpecial : UndoRec {
		int              table;
		bool             before;
		RichPara::Format format;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoRemoveParaSpecial(const RichText& txt, int table, bool before);
	};

	struct UndoInsertParaSpecial : UndoRec {
		int              table;
		bool             before;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoInsertParaSpecial(int table, bool before) : table(table), before(before) {}
	};

	struct UndoTable : UndoRec {
		int             table;
		RichTable       copy;

		virtual void     Apply(RichText& txt);
		virtual UndoRec *GetRedo(const RichText& txt);

		UndoTable(const RichText& txt, int table);
	};

	BiArray<UndoRec> undo;
	Array<UndoRec>   redo;
	
	FileSel          imagefs;
	
	struct StyleKey {
		Uuid   styleid;
		String stylename;
		String face;
		int    height;
		Color  ink;
		Color  paper;
	};
	
	StyleKey   stylekey[20];

	Rect       GetTextRect() const;
	Size       GetZoomedPage() const;
	int        GetPosY(PageY py) const;
	void       GetPagePoint(Point p, PageY& py, int& x);
	int        GetX(int x);
	int        GetSnapX(int x);
	PageY      GetPageY(int y) const;
	int        GetNearestPos(int x, PageY py);
	void       SetSb();
	void       Scroll();
	Rect       PlaceCaret();
	void       FinishNF();
	void       Finish();
	void       ReadFormat();
	void       ShowFormat();
	int        GetMousePos(Point p);
	RichHotPos GetHotPos(Point p);
	int        GetHotSpot(Point p) const;
	Rect       GetObjectRect(int pos) const;
	void       FixObjectRect();

	void       SetObjectPos(int pos);
	void       AdjustObjectSize();
	void       SetObjectPercent(int p);
	void       SetObjectYDelta(int pt);
	void       SetFace();
	void       SetHeight();

	bool       SelBeg(bool select);
	bool       SelEnd(bool select);
	void       SelCell(int dx, int dy);

	void       Limit(int& pos, int& count);
	bool       InvalidRange(int c1, int c2);
	void       NextUndo()                 { undoserial += incundoserial; incundoserial = false; }
	void       AddUndo(UndoRec *undo);

	void       BeginRulerTrack();
	void       RulerTrack();
	void       IndentMark();
	void       HighLightTab(int r);
	void       TabAdd(int align);
	void       AddTab();
	void       TabMenu();

	void       Hyperlink();
	void       Label();
	void       IndexEntry();
	void       GotoLbl();
	void       GotoEntry();
	void       GotoType(int type, Ctrl& l);
	void       Goto();

	void       SetInk();
	void       SetPaper();
	void       SetLanguage();
	void       Language();
	void       SetupLanguage(pick_ Vector<int>& lng);

	void       SetBullet(int bullet);

	void       SetupRuler();

	void       ReadStyles();

	void       SetStyle();

	void       EndSizeTracking();

	RichObject GetObject() const;
	void       ReplaceObject(const RichObject& obj);

	static bool   IsW(int c);
	static void   SetupFaceList(DropList& face);

	void Insert(int pos, const RichText& text, bool typing = false);
	void Remove(int pos, int len, bool joinnext = false);
	void SaveFormat(int pos, int count);
	void SaveFormat();
	void ModifyFormat(int pos, const RichText::FormatInfo& fi, int count);
	void SetParaFormat(dword paravalid);

	void SaveStylesUndo();
	void SaveStyleUndo(const Uuid& id);

	bool CursorKey(dword key, int count);

	void ApplyFormat(dword charvalid, dword paravalid = 0);

	void MoveNG(int newpos, bool select);
	void MoveUpDown(int dir, bool select, int firststep = 0);
	void MovePageUpDown(int dir, bool select);
	void MoveWordRight(bool select);
	void MoveWordLeft(bool select);
	void MoveHomeEnd(int dir, bool select);

	void InsertLine();

	void Bold();
	void Italic();
	void Underline();
	void Strikeout();
	void Capitals();
	void SetScript(int script);

	void AlignLeft();
	void AlignRight();
	void AlignCenter();
	void AlignJustify();

	void Style();

	void ParaFormat();
	void ToPara();

	void SetupUnits();
	void SpellCheck();

	void    AddUserDict();
	WString GetWordAtCursor();

	Rect     GetCaretRect(const RichCaret& pr) const;
	Rect     GetCaretRect() const;

	void     SaveTableFormat(int table);
	void     SaveTable(int table);
	void     InsertTable();
	void     DestroyTable();
	void     TableProps();
	bool     RemoveSpecial(int ll, int hh, bool back);
	bool     InsertLineSpecial();
	void     TableInsertRow();
	void     TableRemoveRow();
	void     TableInsertColumn();
	void     TableRemoveColumn();
	void     SplitCell();
	void     JoinCell();
	void     CellProperties();

	void     OpenFindReplace();
	void     CloseFindReplace();
	int      FindPos();
	RichText ReplaceText();
	void     Find();
	void     Replace();
	void     FindReplaceAddHistory();

	void     Reset();

	void     DoRefreshBar();
	void     RefreshBar();

	bool     Accept(PasteClip& d, RichText& clip);
	void     ClipPaste(RichText& clip);
	bool     InSelection(int& c) const;
	void     RefreshDropCaret();
	
	void     InsertImage();
	
	void     StyleKeys();

	static bool   SpellWord(const wchar *wrd, int len, int lang);
	static void   SpellerAdd(const WString& w, int lang);

	friend class StyleKeysDlg;

protected:
	enum {
		TIMEID_ENDSIZETRACKING = Ctrl::TIMEID_COUNT,
		TIMEID_REFRESHBAR,
		TIMEID_COUNT
	};

public:
	static double DotToPt(int dot);
	static int    PtToDot(double pt);
	static Bits   SpellParagraph(const RichPara& p);
	static void   FixedLang(int lang)              { fixedlang = lang; }

	Callback                     WhenRefreshBar;
	Callback                     WhenStartEvaluating;
	Callback2<String&, WString&> WhenHyperlink;
	Callback1<String&>           WhenLabel;

	void   SerializeSettings(Stream& s);

	Zoom   GetZoom() const;

	int    GetCursor() const                       { return cursor; }
	int    GetAnchor() const                       { return anchor; }

	void     Select(int pos, int count);
	bool     IsSelection() const;
	bool     GetSelection(int& l, int& h) const;
	RichText GetSelection(int maxlen = INT_MAX) const;
	void     SetSelection(int l, int h)            { Select(l, h - l); }
	bool     RemoveSelection(bool joinnext = false);
	void     CancelSelection();

	void   BeginOp()                               { NextUndo(); }

	int                  GetLength() const         { return text.GetLength(); }
	void                 PasteText(const RichText& text);
	void                 RemoveText(int count);
	RichText             CopyText(int pos, int count) const;
	RichText::FormatInfo GetFormatInfo() const     { return formatinfo; }
	void                 ApplyFormatInfo(const RichText::FormatInfo& fi);
	int                  GetChar(int pos) const    { return text[pos]; }
	int                  operator[](int pos) const { return text[pos]; }

	void   Undo();
	void   Redo();

	void   ScrollToCursor()                     { Finish(); }

	void   Move(int newpos, bool select = false);

	void   Copy();
	void   Cut();
	void   Paste();
	void   InsertObject(int type);

	void   Styles();

	bool   Print();
	void   DoPrint()                             { Print(); }

	void   StyleTool(Bar& bar, int width = 120);
	void   FaceTool(Bar& bar, int width = 130);
	void   HeightTool(Bar& bar, int width = 50);
	void   BoldTool(Bar& bar, dword key = K_CTRL_B);
	void   ItalicTool(Bar& bar, dword key = K_CTRL_I);
	void   UnderlineTool(Bar& bar, dword key = K_CTRL_U);
	void   StrikeoutTool(Bar& bar, dword key = 0);
	void   CapitalsTool(Bar& bar, dword key = 0);
	void   SuperscriptTool(Bar& bar, dword key = 0);
	void   SubscriptTool(Bar& bar, dword key = 0);
	void   InkTool(Bar& bar);
	void   PaperTool(Bar& bar);
	void   LanguageTool(Bar& bar, int width = HZoom(60));
	void   HyperlinkTool(Bar& bar, int width = 180, dword key = 0, const char *tip = NULL);
	void   SpellCheckTool(Bar& bar);
	void   IndexEntryTool(Bar& bar, int width = 80, dword key = 0, const char *tip = NULL);

	void   LeftTool(Bar& bar, dword key = K_CTRL_L);
	void   RightTool(Bar& bar, dword key = K_CTRL_R);
	void   CenterTool(Bar& bar, dword key = K_CTRL_E);
	void   JustifyTool(Bar& bar, dword key = K_CTRL_J);
	void   RoundBulletTool(Bar& bar, dword key = 0);
	void   RoundWhiteBulletTool(Bar& bar, dword key = 0);
	void   BoxBulletTool(Bar& bar, dword key = 0);
	void   BoxWhiteBulletTool(Bar& bar, dword key = 0);
	void   TextBulletTool(Bar& bar, dword key = 0);
	void   ParaFormatTool(Bar& bar, dword key = 0);
	void   LabelTool(Bar& bar, int width = 80, dword key = 0, const char *tip = NULL);
	void   ToParaTool(Bar& bar, dword key = K_CTRL_K);

	void   UndoTool(Bar& bar, dword key = K_CTRL_Z);
	void   RedoTool(Bar& bar, dword key = K_SHIFT_CTRL_Z);
	void   CutTool(Bar& bar, dword key = K_CTRL_X);
	void   CopyTool(Bar& bar, dword key = K_CTRL_C);
	void   PasteTool(Bar& bar, dword key = K_CTRL_V);
	void   ObjectTool(Bar& bar, dword key = 0);
	void   FindReplaceTool(Bar& bar, dword key = K_CTRL_F);

	void   InsertTableTool(Bar& bar, dword key = K_CTRL_F12);
	void   TablePropertiesTool(Bar& bar, dword key = K_SHIFT_F12);
	void   InsertTableRowTool(Bar& bar, dword key = 0);
	void   RemoveTableRowTool(Bar& bar, dword key = 0);
	void   InsertTableColumnTool(Bar& bar, dword key = 0);
	void   RemoveTableColumnTool(Bar& bar, dword key = 0);
	void   SplitJoinCellTool(Bar& bar, dword key = 0);
	void   CellPropertiesTool(Bar& bar, dword key = 0);

	void   PrintTool(Bar& bar, dword key = K_CTRL_P);

	void   FontTools(Bar& bar);
	void   ParaTools(Bar& bar);
	void   EditTools(Bar& bar);
	void   TableTools(Bar& bar);

	void   InsertImageTool(Bar& bar);
	void   StyleKeysTool(Bar& bar);

	void   DefaultBar(Bar& bar, bool extended = true);

	void            EvaluateFields()               { WhenStartEvaluating(); text.EvaluateFields(vars); }

	void            GotoLabel(const String& lbl);

	void            Clear();
	void            Pick(pick_ RichText& t);
	void            SetQTF(const char *qtf)               { Pick(ParseQTF(qtf)); }
	const RichText& Get() const                           { return text; }
	String          GetQTF(byte cs = CHARSET_UTF8) const  { return AsQTF(text, cs); }
	void            ApplyStylesheet(const RichText& r);
	void            SetPage(const Size& sz)               { pagesz = sz; Finish(); }
	Size            GetPage()                             { return pagesz; }

	void            NoRuler()                             { RemoveFrame(ruler); }

	RichEdit&       FontFaces(const Vector<int>& face);
	RichEdit&       ShowCodes(Color c)                    { showcodes = c; Refresh(); return *this; }
	RichEdit&       Unit(int u)                           { unit = u; Refresh(); return *this; }
	RichEdit&       SpellCheck(bool b)                    { spellcheck = b; Refresh(); return *this; }
	RichEdit&       SetZoom(int z)                        { zoom = z; Refresh(); return *this; }

	struct UndoInfo {
		int              undoserial;
		BiArray<UndoRec> undo;
		Array<UndoRec>   redo;
	};

	struct PosInfo {
		int cursor;
		int anchor;
		int sbpos;

		void Serialize(Stream& s)  { int version = 0; s / version % cursor % anchor % sbpos; }
	};

	UndoInfo PickUndoInfo();
	void     SetPickUndoInfo(pick_ UndoInfo& f);

	PosInfo  GetPosInfo() const;
	void     SetPosInfo(const PosInfo& pos);

	void     SetFooter(const String& s)                   { footer = s; }
	void     PrintNoLinks(bool b = true)                  { nolinks = b; }

	typedef RichEdit CLASSNAME;

	RichEdit();
	virtual ~RichEdit();
};