--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/extras/calcsoft/inc/CalcView.h Wed Sep 01 12:29:54 2010 +0100
@@ -0,0 +1,258 @@
+/*
+* 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 CCalcView class
+* which derived from CAknView class.
+*
+*/
+
+
+#ifndef CALCVIEW_H
+#define CALCVIEW_H
+
+// INCLUDES
+
+#include <aknview.h>
+
+#include "CalcEditline.h"
+
+
+// CONSTANTS
+const TInt KCalcViewId(1); // view ID of CCalcView
+
+// FORWARD DECLARATIONS
+class CCalcContainer;
+class CEikMenuPane;
+class CCalcDocument;
+class CCalcEditorSubPane;
+class CCalcOutputSheet;
+class CAiwServiceHandler;
+
+// CLASS DEFINITIONS
+
+/**
+View class for Calculator application
+*/
+class CCalcView
+ : public CAknView
+ {
+ public:
+ enum TStateNo // State number
+ {
+ EInitialMode, // State 1 : initial mode
+ EOperandOnly, // State 2 : operand only
+ EOperandAndOperator, // State 3 : operand and operator
+ EOperandAndOperatorAndOperand, // State 4 : operand,operator and operand
+ ESelectResult, // State 5 : User has selected result
+ EOperatorOnlyResult // State 6 : sqrt and percent display result right away
+ };
+
+ enum TKindOfInput // kind of operand or operator
+ {
+ EOperand,
+ EOperator,
+ EEqual,
+ EMemorySave,
+ EMemoryRecall, // Latest input is MR, LR, or +/- on State3.
+ EAllClear,
+ EOperatorResult // For sqrt and percent, because they displayes the result right away
+ };
+
+
+ public: // Constructors and destructor
+ /**
+ * Two-phased constructor.
+ */
+ static CCalcView* NewLC();
+
+ /**
+ * Destructor.
+ */
+ virtual ~CCalcView();
+
+ public: // New functions
+ /**
+ * Return current state
+ * @return Current state
+ */
+ TStateNo State() const;
+
+ /**
+ * Return type of latest input
+ */
+ TKindOfInput LatestInput() const;
+
+ /**
+ * Update state by using kind of input
+ * @param aKind : Kind of input
+ */
+ void UpdateState(const TKindOfInput& aKind);
+
+ /**
+ * Display error message
+ * @param aErrorCode : error code, e.g KErrOverflow.
+ */
+ void ErrorMsgL(TInt aErrorCode);
+
+ /**
+ * Delete meaningless items from main menu.
+ * @param aMenuPane : Pointer of menu pane
+ */
+ void DynInitMainMenuPane(CEikMenuPane* aMenuPane);
+
+ /**
+ * Delete meaningless items from menu of memory
+ * @param aMenuPane : Pointer of menu pane
+ */
+ void DynInitMemoryMenuPane(CEikMenuPane* aMenuPane);
+
+ /**
+ * Notify changing decimal separator.
+ * @param aOld : Old decimal separator
+ * @param aNew : New decimal separator
+ */
+ void NotifyChangeDecimal(TChar aOld, TChar aNew);
+
+ /**
+ * Handle Memory-Recall command
+ */
+ void HandleMemoryRecallL();
+
+ public: // Functions from base classes
+ /**
+ * From MEikMenuObserver : Handle a command
+ * @param aCommand : command ID
+ */
+ void HandleCommandL(TInt aCommand);
+
+
+ private: // New functions
+ /**
+ * By default constructor is private.
+ */
+ CCalcView();
+
+ /**
+ * Second-phase constructor
+ */
+ void ConstructL();
+
+ /**
+ * Create CCalcContainer class
+ */
+ void CreateContainerL();
+
+ /**
+ * Handle Result command
+ */
+ void HandleResultL();
+
+ /**
+ * Handle Change-Sign command
+ */
+ void HandleChangeSignL();
+
+ /**
+ * Handle Last-Result command
+ */
+ void HandleLastResultL();
+
+ /**
+ * Handle Memory-Save command
+ */
+ void HandleMemorySaveL();
+
+ /**
+ * Handle Memory-Clear command
+ */
+ void HandleMemoryClearL();
+
+ /**
+ * Handle Scroll-up command
+ */
+ void HandleScrollUp();
+
+ /**
+ * Handle Scroll-Down command
+ */
+ void HandleScrollDown();
+
+ /**
+ * Handle Clear OutputSheet command
+ */
+ void DoClearCalcAndHistoryL();
+
+ /**
+ * Handle Add, Subtract, Multiply, Divide command
+ * @param TCalcEditLine::TCalcOperatorType : Type of operator
+ */
+ void HandleOperatorL(TCalcEditLine::TCalcOperatorType aOperator);
+
+ /**
+ * Common routine for handling result and handling memory save
+ * on State4 and two operands and operator.
+ * Role of this function is calculating result.
+ * But State is not updated.
+ * @return KErrNone : Calculation error does not occur
+ * KErrOverflow, KErrDivideByZero : Calculation error occurs
+ */
+ TInt HandleEqualSubRoutineL();
+
+ private: // From CAknView
+ /**
+ * When CCalcView becomes active, this is called.
+ * @param aPrevViewId :
+ * @param aCustomMessageId :
+ * @param aCustomMessage :
+ */
+ void DoActivateL(const TVwsViewId& aPrevViewId, TUid aCustomMessageId,
+ const TDesC8& aCustomMessage);
+
+ /**
+ * When CCalcView becomes deactive, this is called.
+ */
+ void DoDeactivate();
+
+ /**
+ * Return UID of CCalcView
+ * @return UID of CCalcView, KCalcViewId
+ */
+ TUid Id() const;
+
+ /**
+ * From MEikMenuObserver, Delete meaningless menu item.
+ * @param aResourceId : resource ID of menu pane
+ * @param aMenuPane : Pointer of menu pane object
+ */
+ void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane);
+
+ /**
+ *To handle when this application comes to foreground.
+ */
+ void HandleForegroundEventL(TBool aForeground);
+
+ private: // Data
+ CCalcDocument* iCalcDocument; // Not own
+ CCalcContainer* iContainer; // own
+ CCalcEditorSubPane* iEditorSubPane; // Not own
+ CCalcOutputSheet* iOutputSheet; // Not own
+ TStateNo iState; // Current State
+ TKindOfInput iLatestInput; // Kind of latest input
+ public:
+ CAiwServiceHandler* iServiceHandler;
+ TBool iLastResultSetected;
+ };
+
+#endif // CALCVIEW_H
+
+// End of File