/*

* Copyright (c) 2002 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:  Header file of "CCalcContainer",  CCalcContainer class 

*                which derived from CCoeControl class. Role of this class 

*                is to update the calculator data and display on user's input.

*

*/

#ifndef     CALCCONT_H

#define     CALCCONT_H

//  INCLUDES

#include <coecntrl.h>

#include "CalcEditline.h"

#include "CalcView.h"

//  FORWARD DECLARATIONS

class   CCalcEditorSubPane;

class   CCalcFuncmapSubPane;

class   CCalcOutputSheet; 

class   CCalcView;

class   CCalcDocument;

class   CPeriodic;

class   CAknsBasicBackgroundControlContext;

//Enum declarations for touch values

enum enlayout_values

{

    enTouch_disabled = 0,

    enTouch_enabled,

    enTouch_with_prt,

    enTouch_with_lsc

};

//  CLASS DEFINITIONS 

/**

CCalcContainer : 'Main-Pane' class

*/

class   CCalcContainer

        :public CCoeControl

    {

    public:  // Constructors and destructor   

        /**

        * Two-phased constructor.

        */

        static CCalcContainer* NewL(CCalcView* aView); 

        /**

        * Destructor.

        */

        virtual ~CCalcContainer();  

    public:  // New functions

        /**

        * Return pointer of FunctionMap subpane class

        * @return Pointer of FunctionMap subpane class 

        */

        inline CCalcFuncmapSubPane* FuncmapSubPane() const; 

        /**

        * Return pointer of editor subpane.

        * @return Pointer of Editor subpane class 

        */

        inline CCalcEditorSubPane* EditorPane() const;

        /**

        * Return pointer of OutputSheet.

        * @return Pointer of OutputSheet class 

        */

        inline CCalcOutputSheet* OutputSheet() const;

        /**

        * Return pointer of CCalcView.

        * @return Pointer of CCalcView class 

        */

        inline CCalcView* View() const;

        /**

        * The pretreatment of a numerical input is performed.

        */

        void ProcessPreinputL();

        /**

        * Clear editor,

        * and if need, empty line is added to calculation history. 

        */

        void InputClearL();

        /**

        * Redraw scroll-up and down button on scrolling enable.

        */

        void ScrollArrowUpdate();

        /**

        * Redraw ChangeSign button on ChangeSign enable.

        */

        void SetChangeSignEnableL();

        /**

        * Redraw ChangeSign button on ChangeSign disable.

        */

        void SetChangeSignDisable();

        /**

        * Redraw Clear button on ClearKey enable.

        */

        void SetClearKeyEnable();

        /**

        * Show square root button only if no 0 in editor.

        */

        void SetSqrtEnableL();

        /**

        * Show percent button only if no 0 in editor.

        */

        void SetPercentEnableL();

        /**

        * Redraw square root button.

        */

        void ShowSqrtButton(TBool aEnable);

        /**

        * Redraw percent button.

        */

        void ShowPercentButton(TBool aEnable);

        /**

        * Returns the state of the calculator.

        */

        CCalcView::TStateNo GetState();

        /**

        * Time out CallBack function for *-key press

        * @param aObject this class.

        * @return always 0

        */

        static TInt TimeoutCallbackL(TAny* aObject);

        /**

        * Time out CallBack function for * /key press

        * @param aObject this class.

        * @return always 0

        */

        static TInt TimeoutCallbackChrL( TAny* aObject );

        /**

        * Time out CallBack function for +#key press

        * @param aObject this class.

        * @return always 0

        */

        static TInt TimeoutCallbackShiftL( TAny* aObject );

        /**

        * Notify changing decimal separator.

        * @param aOld : Old decimal separator

        * @param aNew : New decimal separator  

        */

        void NotifyChangeDecimal(TChar aOld, TChar aNew);

        /**

        * Called  when an error is displayed.

        * @param aErrorCode : an error code  from  CCalcContainer

        */

        void SetErrorCode(TInt aErrorCode);

    public: // Functions from base classes

        /**

        * From CCoeControl : Get help context

        * @param aContext : help context. 

        */

        void GetHelpContext(TCoeHelpContext& aContext) const;

        /**

        *Returns functionMap subpane

        */

        inline CCalcFuncmapSubPane* FunctionSubPane() const; 

        /**

        * HandleMiddleSoftKey

        * Handled when MSK is selected 

        */    

        void HandleMiddleSoftKey();

        /**

        * SetOperatorFromTouch

        * To handle the addition of Touch Input values for digits

        */    

        void SetOperatorFromTouchL(TInt akey);

        /**

        * ClearInputKey

        * To handle the clear input key through the touch UI 

        */    

        void ClearInputKeyL(TInt aRepeat = 0);

        /**

        * ClearInputKey

        * To handle the '.' key press

        */    

        void SetSeparatorFromTouchL();

        // From CCoeControl        

        void ActivateL();

    private:  // New functions 

        /**

        * C++ default constructor.

        * @param aView : Pointer of CCalcView

        */

        CCalcContainer();  

        /**

        * Second-phase constructor.

        */

        void ConstructL(CCalcView* aView);   

        /**

        * If no key is pressed until timeout of *-key,

        * this function is called.

        */

        void DoTimeoutL();

        /**

        * If no key is pressed until timeout of * /key,

        * this function is called.

        */

        void DoTimeoutChrL();

        /**

        * If no key is pressed until timeout of +#key,

        * this function is called.

        */

        void DoTimeoutShiftL();        

        /**

        * Called when any key is pressed.

        * If timeout notifier for *-key is active, make calculation or

        * stop notifier according to user's input.

        * @param aKeyEvent : The key event

        * @param aType     : The type of the event

        * @return : If ETrue, the key event is used only for *-key timeout.

        *           If EFalse, the key event is used not only for *-key 

        *           timeout but also for other effect of each key. 

        */

        TBool HandleAsterKeyTimeoutForKeyPressL(

             const TKeyEvent& aKeyEvent, TEventCode aType);

        /**

        * Called when any key is pressed.

        * If timeout notifier for * /key is active, make calculation or

        * stop notifier according to user's input.

        * @param aKeyEvent : The key event

        * @param aType     : The type of the event

        * @return : If ETrue, the key event is used only for * /key timeout.

        *           If EFalse, the key event is used not only for *+key 

        *           timeout but also for other effect of each key. 

        */

        TBool HandleChrKeyTimeoutForKeyPressL(

             const TKeyEvent& aKeyEvent, TEventCode aType );

        /**

        * Called when any key is pressed.

        * If timeout notifier for +#key is active, make calculation or

        * stop notifier according to user's input.

        * @param aKeyEvent : The key event

        * @param aType     : The type of the event

        * @return : If ETrue, the key event is used only for +#key timeout.

        *           If EFalse, the key event is used not only for +#key 

        *           timeout but also for other effect of each key. 

        */

        TBool HandleShiftKeyTimeoutForKeyPressL(

             const TKeyEvent& aKeyEvent, TEventCode aType );    

    private:  // Functions from base classes 

        /**

        * From CCoeControl : Return count of controls contained in a compound control.

        * @return Count of controls contained in a compound control 

        */

        TInt CountComponentControls() const;

        /**

        * From CCoeControl : Get the components of a compound control

        * @param aIndex : index of control

        * @return Control of argument aIndex  

        */

        CCoeControl* ComponentControl(TInt aIndex) const;

        /**

        * From CCoeControl : Handling key event

        * @param aKeyEvent : The key event

        * @param aType     : The type of the event

        * @return EKeyWasConsumed    : Key event is used. 

        *         EKeyWasNotConsumed : Key event is not used.

        */

        TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, 

                                    TEventCode aType);

        /**

        * From CCoeControl : Notifier for changing language

        * @param aType : Type of resource change

        */

        void HandleResourceChange(TInt aType);

        /**

        * @param aType : Type of resource change

        */

        void HandleResourceChangeCalSoftL(TInt aType);

        /**

        * From CCoeControl : Control size is set.

        */

        void SizeChanged();

        /**

        * From CCoeControl : Clear whole rectangle. 

        * @param aRect : rectangle of control

        */

        void Draw(const TRect& aRect) const;

        /**

        * From CCoeControl.

        * Pass skin information if need.

        * @param aId : Type of supplied object.

        */

        TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

         /**

        * From CCoeControl : Handling pointer event

        * @param aKeyEvent : The key event

        * 

        */

        void HandlePointerEventL

                ( const TPointerEvent& aKeyEvent );

    private:    // Data

        CCalcEditorSubPane*  iEditorPane;  // Editor subpane 

        CCalcFuncmapSubPane* iFuncmapPane; // FunctionMap subpane

        CCalcOutputSheet*    iSheetPane;   // OutputSheet

        CCalcView*           iView;        // Calculator view 

        CCalcDocument*       iCalcDocument;

        CPeriodic*           iTimeout;     // For handling *-key

        CPeriodic*           iTimeoutChr;     // For handling */key

        CPeriodic*           iTimeoutShift;     // For handling +#key   

        TUint                iPrevInput;   // Key code of previous input

        CAknsBasicBackgroundControlContext* iSkinContext; // skin data

        TInt iValue ; 

    };

#include "CalcCont.inl"

#endif      //  CALCCONT_H

// End of File