// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#if !defined(__TFEP4_H__)

#define __TFEP4_H__

#if !defined(__E32STD_H__)

#include <e32std.h>

#endif

#if !defined(__E32BASE_H__)

#include <e32base.h>

#endif

#if !defined(__W32STD_H__)

#include <w32std.h>

#endif

#if !defined(__FRMTLAY_H__)

#include <frmtlay.h>

#endif

#if !defined(__COEMAIN_H__)

#include <coemain.h>

#endif

#if !defined(__COECNTRL_H__)

#include <coecntrl.h>

#endif

#if !defined(__FEPBASE_H__)

#include <fepbase.h>

#endif

#if !defined(__FEPITFR_H__)

#include <fepitfr.h>

#endif

#if !defined(__EIKDIALG_H__)

#include <techview/eikdialg.h>

#endif

#include "pytable.h"

class TTstTextBackup

	{

public:

	TTstTextBackup(TDes& aText);

	void PushOntoCleanupStackL();

	void PopOffCleanupStack();

private:

	static void Cleanup(TAny* aTextBackup);

private:

	TCleanupItem iCleanupItem;

	TDes& iOriginal;

	HBufC* iBackup;

	};

class CTstInsertionPoint : public CBase

	{

public:

	enum

		{

		EWidth=5,

		EHeight=3

		};

public:

	static CTstInsertionPoint* NewL(RWindowBase& aWindow, CCoeEnv& aCoeEnv);

	virtual ~CTstInsertionPoint();

	void SetPosition(const TPoint& aPosition);

	void SetOn(TBool aOn);

private:

	enum

		{

		EFlagOn=0x00000001

		};

private:

	CTstInsertionPoint(RWsSession& aWindowServerSession);

	void ConstructL(RWindowBase& aWindow, TDisplayMode aDisplayMode);

	static CFbsBitmap* CreateBitmapL(TDisplayMode aDisplayMode);

	void DoSetOn(TBool aOn);

private:

	TSpriteMember iSpriteMember;

	RWsSprite iSprite;

	TPoint iPosition;

	TUint iFlags;

	};

class TTstArrayOfOneCtrlCharacter : private CCoeFep::MModifiedCharacter

	{

public:

	TTstArrayOfOneCtrlCharacter(TUint aCharacter);

	TArray<CCoeFep::MModifiedCharacter> ArrayOfModifiedCharacters(); // this function is deliberately non-const so that its client is not tempted to create an anonymous (temporary) TTstArrayOfOneCtrlCharacter object whose lifetime may turn out to be too short

private:

	static TInt NumberOfModifiedCharacters(const CBase* aThis); // aThis is really a TTstArrayOfOneCtrlCharacter

	static const TAny* ModifiedCharacter(const CBase* aThis, TInt aIndex); // aThis is really a TTstArrayOfOneCtrlCharacter

	// from CCoeFep::MModifiedCharacter

	virtual TUint CharacterCode() const;

	virtual TUint ModifierMask() const;

	virtual TUint ModifierValues() const;

private:

	TUint iCharacter;

	};

class CFont;

class TCharFormat;

class CTstFep;

class CTstControl : public CCoeControl, private MFormCustomDraw, private MFepInlineTextFormatRetriever, private MFepPointerEventHandlerDuringInlineEdit, private CCoeFep::MDeferredFunctionCall

	{

public:

	static CTstControl* NewL(CTstFep& aFep);

	virtual ~CTstControl();

	void CancelTransaction();

	void IsOnHasChangedState();

	void OfferPointerEventL(CCoeFep::TEventResponse& aEventResponse, const TPointerEvent& aPointerEvent, const CCoeControl* aWindowOwningControl);

	static TInt NumberOfAttributes();

	static TUid AttributeAtIndex(TInt aIndex);

	void WriteAttributeDataToStreamL(TUid aAttributeUid, RWriteStream& aStream) const;

	void ReadAttributeDataFromStreamL(TUid aAttributeUid, RReadStream& aStream);

	static void WriteAttributeDataToStreamL(TUid aAttributeUid, RWriteStream& aStream, TBool aInlineEditingEnabled, TInt aInputMethod);

	static void ReadAttributeDataFromStreamL(TUid aAttributeUid, RReadStream& aStream, TBool& aInlineEditingEnabled, TInt& aInputMethod);

	void HandleGainingForeground();

	void HandleLosingForeground();

	void HandleChangeInFocus();

	void HandleDestructionOfFocusedItem();

private:

	typedef void (*FChangeFunction)(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	enum {EArrowHeadSize=4};

//	enum {ENumberOfHexadecimalDigitsPerCharacterCode=2*sizeof(TText)};

	enum {ENumberOfHexadecimalDigitsPerCharacterCode=5};

	enum

		{

		EMaximumLengthOfBuffer=25,

		EMaximumLengthOfDisplayOfContextInformation=15

		};

	enum

		{

		ETstInlineEditingEnabledUid=0x100014a2,

		ETstInputMethodUid=0x100014a1

		};

	enum

		{

		EInputMethodPlain,

		EInputMethodHexadecimalCharacterCode,

		EInputMethodPinYin,

		// the next one must always be the last value in the enum

		EInputMethodOnePastTheLast

		};

	enum

		{

		EFlagForeground						=0x00000001,

		EFlagWindowIsBeingDragged			=0x00000002,

		EFlagInlineEditingEnabled			=0x00000004,

		EFlagInsideInlineEditingTransaction	=0x00000008,

		EFlagHasNoCompositionWindow			=0x00000010

		};

	enum

		{

		EGapLeftOfEachLine			=1,

		EGapAboveCompositionLine	=1,

		EGapBelowCompositionLine	=CTstInsertionPoint::EHeight+1,

		EGapAboveTopStatusLine		=1,

		EGapBetweenEachStatusLine	=1,

		EGapBelowBottomStatusLine	=1

		};

	class CStateInformation : public MCoeFepAwareTextEditor_Extension1::CState

		{

	public:

		static CStateInformation* NewLC(TInt aMeaninglessNumber);

		virtual ~CStateInformation();

		inline void IncrementMeaninglessNumber() {++*iMeaninglessNumber;}

		inline TInt MeaninglessNumber() const {return *iMeaninglessNumber;}

	private:

		CStateInformation();

		void ConstructL(TInt aMeaninglessNumber);

	private:

		TInt* iMeaninglessNumber; // this TInt is not "in-line" as we want to test that CStateInformation's destructor gets called

		};

private:

	CTstControl(CTstFep& aFep);

	void ConstructL();

	static void SetForeground(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	static void SetFocus(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	static void SetFlagInlineEditingEnabled(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	static void SetInputMethod(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	static void SetInputCapabilities(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter);

	static void SetFlag(CTstControl& aControl, TBool& aChangeWasMade, TInt aParameter, TUint aFlag);

	void ChangeSetupAndResetBufferAndDrawNow(FChangeFunction aChangeFunction, TInt aParameter=0);

	void InsertCompositionCharacterAndDrawNowL(TUint aCharacterCode);

	void SetInlineTextL(MCoeFepAwareTextEditor& aFepAwareTextEditor);

	void CancelInlineEdit(MCoeFepAwareTextEditor& aFepAwareTextEditor);

	void CommitInlineEditL(MCoeFepAwareTextEditor& aFepAwareTextEditor);

	void ResetBuffer();

	void SetPositionOfInsertionPointInBuffer(TInt aPositionOfInsertionPointInBuffer);

	void SetPositionOfInsertionPointInBuffer(TInt aPositionOfInsertionPointInBuffer, TInt aPositionOfAnchorInBuffer);

	TPoint PositionOfInsertionPointOnWindow() const;

	TInt PositionInBuffer(TInt aX) const;

	TBool IsLegalNonDigitForRealNumber(const TCharUC& aKeyCodeInUpperCase) const;

	static void GetFormatAtDocumentPosition(TCharFormat& aFormat, TInt aDocumentPosition, const MCoeFepAwareTextEditor& aFepAwareTextEditor);

	static TInt NumberOfCharactersInBuffer(const CBase* aControl); // aControl is really a CTstControl

	static const TAny* CharacterInBuffer(const CBase* aControl, TInt aIndex); // aControl is really a CTstControl

public:

	// from CCoeControl

	virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aEventCode);

private:

	// from CCoeControl

	virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);

	virtual void Draw(const TRect& aRect) const;

	// from MFormCustomDraw

	virtual void DrawText(const TParam& aParam, const TLineInfo& aLineInfo, const TCharFormat& aFormat, const TDesC& aText, const TPoint& aTextOrigin, TInt aExtraPixels) const;

	// from MFepInlineTextFormatRetriever

	virtual void GetFormatOfFepInlineText(TCharFormat& aFormat, TInt& aNumberOfCharactersWithSameFormat, TInt aPositionOfCharacter) const;

	// from MFepPointerEventHandlerDuringInlineEdit

	virtual void HandlePointerEventInInlineTextL(TPointerEvent::TType aType, TUint aModifiers, TInt aPositionInInlineText);

	// from CCoeFep::MDeferredFunctionCall

	virtual void ExecuteFunctionL();

private:

	CTstFep& iFep;

	TInt iInputMethod;

	TUint iFlags;

	TUint iCharacterCode; // used by CCoeFep::MDeferredFunctionCall::ExecuteFunctionL, and also independently by CharacterInBuffer

	TBuf<EMaximumLengthOfBuffer> iBuffer;

	TCursorSelection iSelectedCompositionText;

	TCoeInputCapabilities iInputCapabilities;

	CFont* iCompositionFont;

	CFont* iStatusFont;

	CTstInsertionPoint* iInsertionPoint;

	TPoint iPositionOnWindowBeingDragged;

private:

	CPinyinSelector iPinYinSelector;

	};

class CTstFep : public CCoeFep

	{

public:

	CTstFep(CCoeEnv& aConeEnvironment);

	void ConstructL(const CCoeFepParameters& aFepParameters);

	virtual ~CTstFep();

	inline void MakeDeferredFunctionCall(MDeferredFunctionCall& aDeferredFunctionCall) {CCoeFep::MakeDeferredFunctionCall(aDeferredFunctionCall);}

	inline void SimulateKeyEventsL(const TArray<TUint>& aArrayOfCharacters) {CCoeFep::SimulateKeyEventsL(aArrayOfCharacters);}

	inline void SimulateKeyEventsL(const TArray<MModifiedCharacter>& aArrayOfModifiedCharacters) {CCoeFep::SimulateKeyEventsL(aArrayOfModifiedCharacters);}

	inline void WriteAttributeDataAndBroadcastL(TUid aAttributeUid) {CCoeFep::WriteAttributeDataAndBroadcastL(aAttributeUid);}

	inline TBool IsOn() const {return CCoeFep::IsOn();}

private:

	// from CCoeFep

	virtual void CancelTransaction();

	virtual void IsOnHasChangedState();

	virtual void OfferKeyEventL(TEventResponse& aEventResponse, const TKeyEvent& aKeyEvent, TEventCode aEventCode);

	virtual void OfferPointerEventL(TEventResponse& aEventResponse, const TPointerEvent& aPointerEvent, const CCoeControl* aWindowOwningControl);

	virtual void OfferPointerBufferReadyEventL(TEventResponse& aEventResponse, const CCoeControl* aWindowOwningControl);

	// from MFepAttributeStorer (via CCoeFep)

	virtual TInt NumberOfAttributes() const;

	virtual TUid AttributeAtIndex(TInt aIndex) const;

	virtual void WriteAttributeDataToStreamL(TUid aAttributeUid, RWriteStream& aStream) const;

	virtual void ReadAttributeDataFromStreamL(TUid aAttributeUid, RReadStream& aStream);

	// from MCoeForegroundObserver (via CCoeFep)

	virtual void HandleGainingForeground();

	virtual void HandleLosingForeground();

	// from MCoeFocusObserver (via CCoeFep)

	virtual void HandleChangeInFocus();

	virtual void HandleDestructionOfFocusedItem();

private:

	CTstControl* iControl;

	};

class TTstResourceFileId : public TCleanupItem

	{

public:

	TTstResourceFileId(CCoeEnv& aConeEnvironment, TInt aResourceFileId);

private:

	static void UnloadResourceFile(TAny* aThis);

private:

	CCoeEnv& iConeEnvironment;

	TInt iResourceFileId;

	};

class CTstSettingsDialog : public CEikDialog, private MFepAttributeStorer

	{

public:

	CTstSettingsDialog();

private:

	// from CEikDialog

	virtual TBool OkToExitL(TInt aButtonId);

	virtual void PreLayoutDynInitL();

	// from MFepAttributeStorer

	virtual TInt NumberOfAttributes() const;

	virtual TUid AttributeAtIndex(TInt aIndex) const;

	virtual void WriteAttributeDataToStreamL(TUid aAttributeUid, RWriteStream& aStream) const;

	virtual void ReadAttributeDataFromStreamL(TUid aAttributeUid, RReadStream& aStream);

private:

	TBool iInlineEditingEnabled;

	TInt iInputMethod;

	TUid iUid;

	};

#endif