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/*
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0""
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: CCalcView is a view class of Calculator application.
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* Base class of CCalcView is CAknView.
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*
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*/
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// INCLUDE FILES
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#include <avkon.hrh>
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#include <eikon.hrh>
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#include <eikmenup.h>
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#include <aknnotewrappers.h>
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#include <AiwServiceHandler.h>
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#include <aknbutton.h>
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#include <hlplch.h> // For HlpLauncher
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#include <featmgr.h> // Feature Manager
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#include <Calcsoft.rsg>
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#include "CalcView.h"
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#include "CalcCont.h"
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#include "CalcEdit.h"
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#include "CalcAppUi.h"
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#include "CalcDoc.h"
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#include "CalcHistory.h"
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#include "CalcOutSheet.h"
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#include "CalcFunc.h"
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#include "CalcEnv.h"
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#include "calc.hrh"
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#include "CalcEditline.h"
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//#include "CalcCmdBtn.h"
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#include <layoutmetadata.cdl.h>
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#include <AiwMenu.h>
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#include <AiwCommon.h>
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// LOCAL CONSTANTS AND MACROS
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// ================= MEMBER FUNCTIONS =======================
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// Two-phased constructor.
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CCalcView* CCalcView::NewLC()
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{
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CCalcView* self = new (ELeave) CCalcView();
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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// default constructor can leave.
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void CCalcView::ConstructL()
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{
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BaseConstructL(R_CALC_VIEW_INFO);
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iCalcDocument = STATIC_CAST(CCalcDocument*, AppUi()->Document());
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iCalcDocument->SetCalcView( this );
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iCalcDocument->LoadStateL();
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/******** Initialize the ServiceHandler in the ConstructL *****/
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iServiceHandler = CAiwServiceHandler::NewL();
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/***** Attach the Menu Items of the Calculator and also the Interest *****/
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iServiceHandler->AttachMenuL(R_CALC_POPUPMENU, R_AIWHELPAPP_INTEREST);
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this->iLastResultSetected = EFalse;
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}
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// Destructor
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CCalcView::~CCalcView()
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{
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if ( iContainer )
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{
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delete iContainer;
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iContainer = NULL;
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}
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if( iServiceHandler )
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{
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delete iServiceHandler;
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iServiceHandler = NULL;
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}
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}
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// ---------------------------------------------------------
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// CCalcView::State
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// Return current state
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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CCalcView::TStateNo CCalcView::State() const
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{
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return iState;
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}
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// ----------------------------------------------------
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// CCalcView::LatestInput
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// Return type of latest input
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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CCalcView::TKindOfInput CCalcView::LatestInput() const
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{
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return iLatestInput;
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}
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// ----------------------------------------------------
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// CCalcView::UpdateState
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// Update state by using kind of input
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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void CCalcView::UpdateState
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(const TKindOfInput& aKind)
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{
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iLatestInput = aKind;
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switch (aKind)
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{
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case EOperand:
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case EMemoryRecall:
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{
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switch (iState)
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{
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case EInitialMode:
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case ESelectResult:
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iState = EOperandOnly;
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break;
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case EOperandAndOperator:
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iState = EOperandAndOperatorAndOperand;
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break;
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default:
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break;
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}
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break;
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}
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case EOperatorResult:
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{
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iState = EOperatorOnlyResult;
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break;
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}
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case EOperator:
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{
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iState = EOperandAndOperator;
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break;
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}
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case EEqual:
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{
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iState = ESelectResult;
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break;
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}
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case EMemorySave:
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{
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switch (iState)
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{
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case EOperandAndOperatorAndOperand:
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iState = ESelectResult;
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break;
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case ESelectResult:
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iState = EOperandOnly;
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break;
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default:
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break;
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}
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break;
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}
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case EAllClear:
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{
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iState = EOperandOnly;
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break;
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}
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default:
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{
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break;
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}
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}
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}
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// ----------------------------------------------------
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// CCalcView::ErrorMsgL
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// Display error message
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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void CCalcView::ErrorMsgL
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(TInt aErrorCode)
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{
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TInt resourceId(0);
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switch (aErrorCode)
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{
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case KErrOverflow:
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{
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resourceId = R_CALC_ERROR_OUTOFRANGE;
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break;
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}
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case KErrDivideByZero:
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{
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resourceId = R_CALC_ERROR_DIVISIONBYZERO;
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// UpdateState( EOperator );
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break;
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}
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case KErrNotSupported:
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{
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resourceId = R_CALC_ERROR_NEGATIVEVALUESQRT;
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break;
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}
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default:
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{
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return;
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}
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}
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//Localisation of scalable UI.
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HBufC* message = iCoeEnv->AllocReadResourceLC(resourceId) ;
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CAknErrorNote* note = new (ELeave) CAknErrorNote();
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note->ExecuteLD(*message);
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CleanupStack::PopAndDestroy(message);
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}
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// ----------------------------------------------------
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// CCalcView::DynInitMainMenuPane
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// Delete meaningless items from main menu.
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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void CCalcView::DynInitMainMenuPane
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(CEikMenuPane* aMenuPane)
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{
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switch (iState)
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{
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case ESelectResult:
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{
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aMenuPane->DeleteMenuItem(ECalcCmdLastResult);
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break;
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}
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case EInitialMode:
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{
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aMenuPane->DeleteMenuItem(ECalcCmdClearCalcAndHistory);
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break;
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}
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case EOperandOnly:
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{
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if (iCalcDocument->History()->Count() == 0)
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{
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aMenuPane->DeleteMenuItem(ECalcCmdClearCalcAndHistory);
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}
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if(iLastResultSetected)
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{
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aMenuPane->DeleteMenuItem(ECalcCmdLastResult);
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}
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break;
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}
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case EOperandAndOperator:
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case EOperandAndOperatorAndOperand:
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if(iLastResultSetected)
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{
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aMenuPane->DeleteMenuItem(ECalcCmdLastResult);
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}
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break;
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default:
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{
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break;
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}
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}
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}
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// ----------------------------------------------------
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// CCalcView::DynInitMemoryMenuPane
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// Delete meaningless items from menu of memory
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// (other items were commented in a header).
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// ----------------------------------------------------
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//
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void CCalcView::DynInitMemoryMenuPane
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(CEikMenuPane* aMenuPane)
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{
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if (!iCalcDocument->HasMemory())
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{
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aMenuPane->DeleteMenuItem(ECalcCmdMemoryClear);
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}
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}
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// ---------------------------------------------------------
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// CCalcView::NotifyChangeDecimal
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// Call when decimal separator is changed.
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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void CCalcView::NotifyChangeDecimal(TChar aOld, TChar aNew)
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{
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iContainer->NotifyChangeDecimal(aOld, aNew);
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}
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// ---------------------------------------------------------
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// CCalcView::HandleCommandL
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// Handling command.
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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void CCalcView::HandleCommandL
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( TInt aCommand )
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{
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// Handle the command generated by:
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// 1. menu item selection
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// 2. short-cut key press
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switch ( aCommand )
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{
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case ECalcCmdResult:
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{
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HandleResultL();
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break;
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}
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case ECalcCmdAdd:
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{
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HandleOperatorL(TCalcEditLine::ECalcAdd);
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break;
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}
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case ECalcCmdSubtract:
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{
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HandleOperatorL(TCalcEditLine::ECalcSubtract);
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break;
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}
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case ECalcCmdMultiply:
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{
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HandleOperatorL(TCalcEditLine::ECalcMultiply);
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break;
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}
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case ECalcCmdDivide:
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{
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HandleOperatorL(TCalcEditLine::ECalcDivide);
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break;
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}
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case ECalcCmdChangeSign:
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{
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this->iLastResultSetected = EFalse;
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HandleChangeSignL();
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break;
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}
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case ECalcCmdLastResult:
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{
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HandleLastResultL();
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break;
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}
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case ECalcCmdPercent:
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{
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HandleOperatorL(TCalcEditLine::ECalcPercent);
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// The result is always is displayed
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// after the percent button is pressed.
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// But if there was a error in the calculation
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// this if will enable us to not call the
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// HandleResultL and thus making sure that
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// the state of the buttons is identical to the
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// situation before the calculation.
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if (iState == EOperatorOnlyResult)
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HandleResultL();
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break;
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}
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case ECalcCmdSqrt:
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{
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// TRequestStatus trs;
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// RTimer timer;
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// timer.CreateLocal();
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// timer.After(trs, 1000*2);
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// while ( trs == KRequestPending) {
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// User::WaitForAnyRequest();
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// }
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// timer.Cancel();
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// timer.Close();
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HandleOperatorL(TCalcEditLine::ECalcSqrt);
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// HandleResultL only if sqrt was pressed after single operand.
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if (iState == EOperatorOnlyResult)
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HandleResultL();
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break;
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}
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case ECalcCmdMemorySave:
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{
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HandleMemorySaveL();
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break;
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}
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case ECalcCmdMemoryRecall:
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{
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this->iLastResultSetected = EFalse;
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HandleMemoryRecallL();
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break;
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}
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case ECalcCmdMemoryClear:
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{
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HandleMemoryClearL();
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break;
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}
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case ECalcCmdScrollUp:
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{
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HandleScrollUp();
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break;
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}
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case ECalcCmdScrollDown:
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{
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HandleScrollDown();
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break;
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}
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case ECalcCmdClearCalcAndHistory:
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{
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DoClearCalcAndHistoryL();
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break;
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}
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case EAknSoftkeyExit:
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case EEikCmdExit:
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{
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STATIC_CAST(CCalcAppUi*, AppUi())->ExitCalculator();
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break;
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}
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case ECalcCmdHelp:
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{
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if (FeatureManager::FeatureSupported( KFeatureIdHelp ))
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{
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HlpLauncher::LaunchHelpApplicationL(iEikonEnv->WsSession(), AppUi()->AppHelpContextL());
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}
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break;
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}
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case EAknSoftkeySelect:
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{
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iContainer->HandleMiddleSoftKey();
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break;
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}
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//Below cases are possible only for Touch UI Layouts
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case ECalcCmdOne:
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{
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iContainer->SetOperatorFromTouchL(1);
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}
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break;
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case ECalcCmdTwo:
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{
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iContainer->SetOperatorFromTouchL(2);
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}
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break;
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case ECalcCmdThree:
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{
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iContainer->SetOperatorFromTouchL(3);
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}
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break;
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case ECalcCmdFour:
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{
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iContainer->SetOperatorFromTouchL(4);
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}
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break;
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case ECalcCmdFive:
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{
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iContainer->SetOperatorFromTouchL(5);
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}
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break;
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|
488 |
case ECalcCmdSix:
|
|
489 |
{
|
|
490 |
iContainer->SetOperatorFromTouchL(6);
|
|
491 |
}
|
|
492 |
break;
|
|
493 |
case ECalcCmdSeven:
|
|
494 |
{
|
|
495 |
iContainer->SetOperatorFromTouchL(7);
|
|
496 |
}
|
|
497 |
break;
|
|
498 |
|
|
499 |
case ECalcCmdEight:
|
|
500 |
{
|
|
501 |
iContainer->SetOperatorFromTouchL(8);
|
|
502 |
}
|
|
503 |
break;
|
|
504 |
|
|
505 |
case ECalcCmdNine:
|
|
506 |
{
|
|
507 |
iContainer->SetOperatorFromTouchL(9);
|
|
508 |
}
|
|
509 |
break;
|
|
510 |
|
|
511 |
case ECalcCmdZero:
|
|
512 |
{
|
|
513 |
iContainer->SetOperatorFromTouchL(0);
|
|
514 |
}
|
|
515 |
break;
|
|
516 |
|
|
517 |
case ECalcCmdSeparator:
|
|
518 |
{
|
|
519 |
iContainer->SetSeparatorFromTouchL();
|
|
520 |
}
|
|
521 |
break;
|
|
522 |
case ECalcCmdCancel:
|
|
523 |
{
|
|
524 |
TInt repeat( iContainer->FuncmapSubPane()->IsKeyLongPressed() );
|
|
525 |
iContainer->ClearInputKeyL( repeat );
|
|
526 |
}
|
|
527 |
break;
|
|
528 |
|
|
529 |
/****** If none of the cases handle the Aiw Help then it will come to the default case ****/
|
|
530 |
default:
|
|
531 |
{
|
|
532 |
CArrayFix<TCoeHelpContext>* buf = AppUi()->AppHelpContextL();
|
|
533 |
TCoeHelpContext& helpContext = buf->At(0);
|
|
534 |
TAiwVariant uidVariant;
|
|
535 |
TAiwVariant contextVariant;
|
|
536 |
uidVariant.Set(helpContext.iMajor);
|
|
537 |
TAiwGenericParam uidParam(EGenericParamHelpItem, uidVariant); contextVariant.Set(helpContext.iContext);
|
|
538 |
contextVariant.Set(helpContext.iContext);
|
|
539 |
TAiwGenericParam contextParam(EGenericParamHelpItem, contextVariant);
|
|
540 |
CAiwGenericParamList* list = CAiwGenericParamList::NewLC();
|
|
541 |
list->AppendL(uidParam);
|
|
542 |
list->AppendL(contextParam);
|
|
543 |
iServiceHandler->ExecuteMenuCmdL(aCommand,*list,iServiceHandler->OutParamListL());
|
|
544 |
CleanupStack::PopAndDestroy(list);
|
|
545 |
delete buf;
|
|
546 |
buf= NULL;
|
|
547 |
break;
|
|
548 |
}
|
|
549 |
}
|
|
550 |
}
|
|
551 |
|
|
552 |
|
|
553 |
// C++ default constructor can NOT contain any code, that
|
|
554 |
// might leave.
|
|
555 |
//
|
|
556 |
CCalcView::CCalcView():
|
|
557 |
iState(EInitialMode),
|
|
558 |
iLatestInput(EOperand)
|
|
559 |
{
|
|
560 |
}
|
|
561 |
|
|
562 |
|
|
563 |
// ---------------------------------------------------------
|
|
564 |
// CCalcView::CreateContainerL
|
|
565 |
// Create CCalcContainer class
|
|
566 |
// (other items were commented in a header).
|
|
567 |
// ---------------------------------------------------------
|
|
568 |
//
|
|
569 |
void CCalcView::CreateContainerL()
|
|
570 |
{
|
|
571 |
iContainer = CCalcContainer::NewL(this);
|
|
572 |
|
|
573 |
iContainer->SetMopParent(this);
|
|
574 |
|
|
575 |
TRect mainPaneRect ;
|
|
576 |
TRect statusPaneRect;
|
|
577 |
|
|
578 |
if (Layout_Meta_Data::IsLandscapeOrientation())
|
|
579 |
|
|
580 |
{
|
|
581 |
|
|
582 |
AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,mainPaneRect);
|
|
583 |
AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane,statusPaneRect);
|
|
584 |
mainPaneRect.iTl= statusPaneRect.iTl;
|
|
585 |
|
|
586 |
}
|
|
587 |
|
|
588 |
else
|
|
589 |
|
|
590 |
{
|
|
591 |
|
|
592 |
AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,mainPaneRect);
|
|
593 |
AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane,statusPaneRect);
|
|
594 |
|
|
595 |
mainPaneRect.iTl= statusPaneRect.iTl;
|
|
596 |
|
|
597 |
}
|
|
598 |
|
|
599 |
|
|
600 |
iContainer->SetRect(mainPaneRect);
|
|
601 |
iEditorSubPane = iContainer->EditorPane();
|
|
602 |
iOutputSheet = iContainer->OutputSheet();
|
|
603 |
}
|
|
604 |
|
|
605 |
|
|
606 |
// ---------------------------------------------------------
|
|
607 |
// CCalcView::HandleResultL
|
|
608 |
// Handle result command
|
|
609 |
// (other items were commented in a header).
|
|
610 |
// ---------------------------------------------------------
|
|
611 |
//
|
|
612 |
void CCalcView::HandleResultL()
|
|
613 |
{
|
|
614 |
if (!HandleEqualSubRoutineL())
|
|
615 |
{
|
|
616 |
iEditorSubPane->DrawNow();
|
|
617 |
UpdateState(EEqual);
|
|
618 |
|
|
619 |
iContainer->SetSqrtEnableL();
|
|
620 |
iContainer->ShowPercentButton(EFalse);
|
|
621 |
iContainer->SetClearKeyEnable();
|
|
622 |
}
|
|
623 |
}
|
|
624 |
|
|
625 |
|
|
626 |
// ---------------------------------------------------------
|
|
627 |
// CCalcView::HandleChangeSignL
|
|
628 |
// Handle ChangeSign command
|
|
629 |
// (other items were commented in a header).
|
|
630 |
// ---------------------------------------------------------
|
|
631 |
//
|
|
632 |
void CCalcView::HandleChangeSignL()
|
|
633 |
{
|
|
634 |
iEditorSubPane->DoChangeSignL(iState);
|
|
635 |
|
|
636 |
if (iState == CCalcView::EOperandAndOperator)
|
|
637 |
{
|
|
638 |
UpdateState(EMemoryRecall);
|
|
639 |
}
|
|
640 |
}
|
|
641 |
|
|
642 |
// ---------------------------------------------------------
|
|
643 |
// CCalcView::HandleLastResultL
|
|
644 |
// Handle LastResult command
|
|
645 |
// (other items were commented in a header).
|
|
646 |
// ---------------------------------------------------------
|
|
647 |
//
|
|
648 |
void CCalcView::HandleLastResultL()
|
|
649 |
{
|
|
650 |
iLastResultSetected = ETrue;
|
|
651 |
// Recall "LastResult", which is the answer based on latest "=" input.
|
|
652 |
iEditorSubPane->DoMemoryRecallOrLastResult(
|
|
653 |
iCalcDocument->LastResult(), iState);
|
|
654 |
|
|
655 |
UpdateState(EMemoryRecall);
|
|
656 |
if ( iState == EOperandOnly &&
|
|
657 |
iEditorSubPane->EditLine().CheckZeroL() )
|
|
658 |
{
|
|
659 |
UpdateState(EAllClear);
|
|
660 |
}
|
|
661 |
iContainer->SetChangeSignEnableL();
|
|
662 |
iContainer->SetSqrtEnableL();
|
|
663 |
iContainer->SetClearKeyEnable();
|
|
664 |
|
|
665 |
//highlighting the sign "%".
|
|
666 |
if ( iState == EOperandAndOperatorAndOperand )
|
|
667 |
{
|
|
668 |
iContainer->SetPercentEnableL();
|
|
669 |
}
|
|
670 |
}
|
|
671 |
|
|
672 |
// ---------------------------------------------------------
|
|
673 |
// CCalcView::HandleMemorySaveL
|
|
674 |
// Handle MemorySave command
|
|
675 |
// (other items were commented in a header).
|
|
676 |
// ---------------------------------------------------------
|
|
677 |
//
|
|
678 |
void CCalcView::HandleMemorySaveL()
|
|
679 |
{
|
|
680 |
CCalcView::TKindOfInput kindOfInput(CCalcView::EMemorySave);
|
|
681 |
|
|
682 |
if (iState == EOperandAndOperatorAndOperand)
|
|
683 |
{
|
|
684 |
if (HandleEqualSubRoutineL()) // Calculate result
|
|
685 |
{
|
|
686 |
return;
|
|
687 |
}
|
|
688 |
}
|
|
689 |
else
|
|
690 |
{
|
|
691 |
if (iState == ESelectResult)
|
|
692 |
{
|
|
693 |
iCalcDocument->AddEmptyLine();
|
|
694 |
iOutputSheet->ScrollToBottomL();
|
|
695 |
iContainer->ScrollArrowUpdate();
|
|
696 |
iEditorSubPane->SetOperator(TCalcEditLine::ECalcOperatorNone);
|
|
697 |
|
|
698 |
if (iEditorSubPane->EditLine().CheckZeroL())
|
|
699 |
{
|
|
700 |
kindOfInput = CCalcView::EAllClear;
|
|
701 |
}
|
|
702 |
}
|
|
703 |
}
|
|
704 |
iCalcDocument->MemorySaveL(iEditorSubPane->EditorNumber());
|
|
705 |
iEditorSubPane->DrawNow();
|
|
706 |
UpdateState(kindOfInput);
|
|
707 |
iContainer->SetChangeSignEnableL();
|
|
708 |
iContainer->SetSqrtEnableL();
|
|
709 |
}
|
|
710 |
|
|
711 |
// ---------------------------------------------------------
|
|
712 |
// CCalcView::HandleMemoryRecallL
|
|
713 |
// Handle MemoryRecall command
|
|
714 |
// (other items were commented in a header).
|
|
715 |
// ---------------------------------------------------------
|
|
716 |
//
|
|
717 |
void CCalcView::HandleMemoryRecallL()
|
|
718 |
{
|
|
719 |
iEditorSubPane->DoMemoryRecallOrLastResult(
|
|
720 |
iCalcDocument->Memory(), iState );
|
|
721 |
|
|
722 |
if ( iState == ESelectResult )
|
|
723 |
{
|
|
724 |
iCalcDocument->AddEmptyLine();
|
|
725 |
iOutputSheet->ScrollToBottomL();
|
|
726 |
iContainer->ScrollArrowUpdate();
|
|
727 |
}
|
|
728 |
|
|
729 |
UpdateState( EMemoryRecall );
|
|
730 |
if ( iState == EOperandOnly &&
|
|
731 |
iEditorSubPane->EditLine().CheckZeroL() )
|
|
732 |
{
|
|
733 |
UpdateState( EAllClear );
|
|
734 |
}
|
|
735 |
|
|
736 |
iContainer->SetChangeSignEnableL();
|
|
737 |
iContainer->SetSqrtEnableL();
|
|
738 |
|
|
739 |
iContainer->SetClearKeyEnable();
|
|
740 |
|
|
741 |
// highlighting the sign "%".
|
|
742 |
if ( iState == EOperandAndOperatorAndOperand )
|
|
743 |
{
|
|
744 |
iContainer->SetPercentEnableL();
|
|
745 |
}
|
|
746 |
}
|
|
747 |
|
|
748 |
// ---------------------------------------------------------
|
|
749 |
// CCalcView::HandleMemoryClear
|
|
750 |
// Handle MemoryClear command
|
|
751 |
// (other items were commented in a header).
|
|
752 |
// ---------------------------------------------------------
|
|
753 |
//
|
|
754 |
|
|
755 |
void CCalcView::HandleMemoryClearL()
|
|
756 |
{
|
|
757 |
iCalcDocument->MemoryClearL();
|
|
758 |
iEditorSubPane->DrawNow();
|
|
759 |
}
|
|
760 |
|
|
761 |
// ---------------------------------------------------------
|
|
762 |
// CCalcView::HandleScrollUp
|
|
763 |
// Handle Scroll up button command
|
|
764 |
// (other items were commented in a header).
|
|
765 |
// ---------------------------------------------------------
|
|
766 |
//
|
|
767 |
void CCalcView::HandleScrollUp()
|
|
768 |
{
|
|
769 |
iOutputSheet->ScrollUp();
|
|
770 |
iContainer->ScrollArrowUpdate();
|
|
771 |
}
|
|
772 |
|
|
773 |
// ---------------------------------------------------------
|
|
774 |
// CCalcView::HandleScrollDown
|
|
775 |
// Handle Scroll down button command
|
|
776 |
// (other items were commented in a header).
|
|
777 |
// ---------------------------------------------------------
|
|
778 |
//
|
|
779 |
void CCalcView::HandleScrollDown()
|
|
780 |
{
|
|
781 |
iOutputSheet->ScrollDown();
|
|
782 |
iContainer->ScrollArrowUpdate();
|
|
783 |
}
|
|
784 |
|
|
785 |
// ---------------------------------------------------------
|
|
786 |
// CCalcView::DoClearCalcAndHistoryL
|
|
787 |
// Clear calculation history and clear calculation.
|
|
788 |
// (other items were commented in a header).
|
|
789 |
// ---------------------------------------------------------
|
|
790 |
//
|
|
791 |
void CCalcView::DoClearCalcAndHistoryL()
|
|
792 |
{
|
|
793 |
iCalcDocument->History()->ClearHistory();
|
|
794 |
iOutputSheet->NotifyClearHistoryL();
|
|
795 |
iContainer->ScrollArrowUpdate();
|
|
796 |
// Clear calculation
|
|
797 |
TKeyEvent keyEvent;
|
|
798 |
keyEvent.iCode = EKeyBackspace;
|
|
799 |
keyEvent.iRepeats = 1;
|
|
800 |
iEditorSubPane->OfferKeyEventL(keyEvent, EEventKey);
|
|
801 |
iContainer->ShowPercentButton(EFalse);
|
|
802 |
}
|
|
803 |
|
|
804 |
|
|
805 |
// ---------------------------------------------------------
|
|
806 |
// CCalcView::HandleOperatorL
|
|
807 |
// Operator Handler common routin.
|
|
808 |
// (other items were commented in a header).
|
|
809 |
// ---------------------------------------------------------
|
|
810 |
//
|
|
811 |
void CCalcView::HandleOperatorL
|
|
812 |
(TCalcEditLine::TCalcOperatorType aOperator)
|
|
813 |
{
|
|
814 |
TCalcEditLine editLine(iEditorSubPane->EditLine());
|
|
815 |
TReal64 editorNumber(iEditorSubPane->EditorNumber());
|
|
816 |
TReal64 result(editorNumber);
|
|
817 |
|
|
818 |
this->iLastResultSetected = EFalse;
|
|
819 |
// User has pressed %
|
|
820 |
if (aOperator == TCalcEditLine::ECalcPercent)
|
|
821 |
{
|
|
822 |
if (iState == EOperandAndOperatorAndOperand)
|
|
823 |
{
|
|
824 |
editLine.TrimZeroL();
|
|
825 |
// Save the previous operator
|
|
826 |
TCalcEditLine::TCalcOperatorType previousOperator = editLine.Operator();
|
|
827 |
// Set the operator to percent
|
|
828 |
editLine.SetOperator(TCalcEditLine::ECalcPercent);
|
|
829 |
|
|
830 |
|
|
831 |
// Calculate
|
|
832 |
TRAPD(errorCode3,
|
|
833 |
result = iCalcDocument->CalculateAndModifyHistoryL(
|
|
834 |
editorNumber, editLine, previousOperator));
|
|
835 |
|
|
836 |
if (errorCode3)
|
|
837 |
{
|
|
838 |
iContainer->SetErrorCode(errorCode3);
|
|
839 |
return;
|
|
840 |
}
|
|
841 |
|
|
842 |
iOutputSheet->ScrollToBottomL();
|
|
843 |
// Show the correct operand in the output sheet
|
|
844 |
aOperator = previousOperator;
|
|
845 |
// Set the state to EOperatorResult so that the HandleResult knows what to do
|
|
846 |
UpdateState(EOperatorResult);
|
|
847 |
}
|
|
848 |
}
|
|
849 |
|
|
850 |
// User has pressed sqrt
|
|
851 |
else if (aOperator == TCalcEditLine::ECalcSqrt)
|
|
852 |
{
|
|
853 |
// We are in a middle of calculation chain
|
|
854 |
if (iState == EOperandAndOperatorAndOperand)
|
|
855 |
{
|
|
856 |
editLine.TrimZeroL();
|
|
857 |
// Save the previous operator
|
|
858 |
TCalcEditLine::TCalcOperatorType previousOperator = editLine.Operator();
|
|
859 |
// Set the operator to sqrt
|
|
860 |
editLine.SetOperator(TCalcEditLine::ECalcSqrt);
|
|
861 |
|
|
862 |
// First calculate the sqrt
|
|
863 |
TRAPD(errorCode,
|
|
864 |
result = iCalcDocument->CalculateAndNoHistoryL(
|
|
865 |
editorNumber, editLine));
|
|
866 |
|
|
867 |
if (errorCode)
|
|
868 |
{
|
|
869 |
iContainer->SetErrorCode(errorCode);
|
|
870 |
return;
|
|
871 |
}
|
|
872 |
|
|
873 |
// Set the operator to previous one
|
|
874 |
editLine.SetOperator(previousOperator);
|
|
875 |
// Result goes to the outputsheet
|
|
876 |
editLine.SetNumber(result);
|
|
877 |
|
|
878 |
// Calculate again
|
|
879 |
TRAPD(errorCode2,
|
|
880 |
result = iCalcDocument->CalculateAndAddHistoryL(
|
|
881 |
result, editLine));
|
|
882 |
|
|
883 |
if (errorCode2)
|
|
884 |
{
|
|
885 |
iContainer->SetErrorCode(errorCode2);
|
|
886 |
return;
|
|
887 |
}
|
|
888 |
// Set this so that we will display correct operator in the output sheet
|
|
889 |
aOperator = previousOperator;
|
|
890 |
iOutputSheet->ScrollToBottomL();
|
|
891 |
UpdateState(EOperator);
|
|
892 |
// Dimm the square root and percent
|
|
893 |
iContainer->ShowSqrtButton(EFalse);
|
|
894 |
iContainer->ShowPercentButton(EFalse);
|
|
895 |
}
|
|
896 |
// Only operand and sqrt
|
|
897 |
else
|
|
898 |
{
|
|
899 |
editLine.SetOperator(aOperator);
|
|
900 |
|
|
901 |
// Trap harness, because the CalculateAndHistoryL leaves in case of negative operand
|
|
902 |
TRAPD(errorCode,
|
|
903 |
result = iCalcDocument->CalculateAndAddHistoryL(
|
|
904 |
editorNumber, editLine));
|
|
905 |
|
|
906 |
if (errorCode)
|
|
907 |
{
|
|
908 |
iContainer->SetErrorCode(errorCode);
|
|
909 |
return;
|
|
910 |
}
|
|
911 |
|
|
912 |
iOutputSheet->ScrollToBottomL();
|
|
913 |
//Set the state to EOperatorResult so that we know to call HandleResult later
|
|
914 |
UpdateState(EOperatorResult);
|
|
915 |
}
|
|
916 |
}
|
|
917 |
// Current state is state4 and previous input is MS,
|
|
918 |
// provisional result is get and show this the editor.
|
|
919 |
// And a line is not added to OutputSheet because a line
|
|
920 |
// is already added.
|
|
921 |
|
|
922 |
else if (iState == ESelectResult)
|
|
923 |
{
|
|
924 |
iCalcDocument->AddEmptyLine();
|
|
925 |
editLine.SetOperator(TCalcEditLine::ECalcOperatorNone);
|
|
926 |
// Because the state is "User has selected result",
|
|
927 |
// this function does not occur leave.
|
|
928 |
result = iCalcDocument->CalculateAndAddHistoryL(
|
|
929 |
editorNumber, editLine);
|
|
930 |
iOutputSheet->ScrollToBottomL();
|
|
931 |
UpdateState(EOperator);
|
|
932 |
iContainer->SetSqrtEnableL();
|
|
933 |
}
|
|
934 |
|
|
935 |
// If a input is a operator and state is updated,
|
|
936 |
// calculate and update history.
|
|
937 |
else if (iState != EOperandAndOperator)
|
|
938 |
{
|
|
939 |
editLine.TrimZeroL();
|
|
940 |
|
|
941 |
// If the number in the EditLine is not a operand
|
|
942 |
// we need to dim square root and percent buttons
|
|
943 |
if (iState == EOperandAndOperatorAndOperand)
|
|
944 |
{
|
|
945 |
iContainer->ShowSqrtButton(EFalse);
|
|
946 |
iContainer->ShowPercentButton(EFalse);
|
|
947 |
}
|
|
948 |
// Calculate by user's input
|
|
949 |
TRAPD(errorCode,
|
|
950 |
result = iCalcDocument->CalculateAndAddHistoryL(
|
|
951 |
editorNumber, editLine));
|
|
952 |
|
|
953 |
if (errorCode)
|
|
954 |
{
|
|
955 |
iContainer->SetErrorCode(errorCode);
|
|
956 |
return;
|
|
957 |
}
|
|
958 |
iOutputSheet->ScrollToBottomL();
|
|
959 |
UpdateState(EOperator);
|
|
960 |
}
|
|
961 |
|
|
962 |
iEditorSubPane->SetEditorNumber(result);
|
|
963 |
iEditorSubPane->SetOperator(aOperator);
|
|
964 |
|
|
965 |
if ( aOperator != TCalcEditLine::ECalcSqrt )
|
|
966 |
{
|
|
967 |
iEditorSubPane->DrawNow();
|
|
968 |
}
|
|
969 |
iContainer->ScrollArrowUpdate();
|
|
970 |
|
|
971 |
iContainer->SetClearKeyEnable();
|
|
972 |
if (aOperator == TCalcEditLine::ECalcAdd ||aOperator == TCalcEditLine::ECalcSubtract ||
|
|
973 |
aOperator == TCalcEditLine::ECalcMultiply ||aOperator == TCalcEditLine::ECalcDivide )
|
|
974 |
{
|
|
975 |
iContainer->SetChangeSignDisable();
|
|
976 |
}
|
|
977 |
|
|
978 |
}
|
|
979 |
|
|
980 |
|
|
981 |
// ---------------------------------------------------------
|
|
982 |
// CCalcView::HandleEqualSubRoutineL
|
|
983 |
// Common routine for select result and MemorySave on two operands
|
|
984 |
// and operator or State4.
|
|
985 |
// (other items were commented in a header).
|
|
986 |
// ---------------------------------------------------------
|
|
987 |
//
|
|
988 |
TInt CCalcView::HandleEqualSubRoutineL()
|
|
989 |
{
|
|
990 |
TCalcEditLine editLine(iEditorSubPane->EditLine());
|
|
991 |
TInt calculationError(KErrNone);
|
|
992 |
TReal64 result(0);
|
|
993 |
|
|
994 |
if (iState == EOperandAndOperator || iState == EOperatorOnlyResult)
|
|
995 |
{
|
|
996 |
// User has selected equal or operand and sqrt, or percent
|
|
997 |
result = iCalcDocument->ProvisionalResult();
|
|
998 |
}
|
|
999 |
else
|
|
1000 |
{
|
|
1001 |
editLine.TrimZeroL();
|
|
1002 |
// We are calculating the intermediate result.
|
|
1003 |
// So we need to dim the sqrt and percent buttons.
|
|
1004 |
iContainer->ShowSqrtButton(EFalse);
|
|
1005 |
iContainer->ShowPercentButton(EFalse);
|
|
1006 |
|
|
1007 |
if (iState == ESelectResult)
|
|
1008 |
{
|
|
1009 |
iCalcDocument->AddEmptyLine();
|
|
1010 |
editLine.SetOperator(TCalcEditLine::ECalcOperatorNone);
|
|
1011 |
}
|
|
1012 |
TRAP(calculationError,
|
|
1013 |
result = iCalcDocument->CalculateAndAddHistoryL(
|
|
1014 |
iEditorSubPane->EditorNumber(), editLine));
|
|
1015 |
}
|
|
1016 |
|
|
1017 |
// If overflow or division by zero occurs,
|
|
1018 |
// error message is displayed.
|
|
1019 |
if (calculationError)
|
|
1020 |
{
|
|
1021 |
iContainer->SetErrorCode(calculationError);
|
|
1022 |
}
|
|
1023 |
else
|
|
1024 |
{
|
|
1025 |
iCalcDocument->AddEqualLineAndUpdateLastResultL();
|
|
1026 |
iEditorSubPane->SetEditorNumber(result);
|
|
1027 |
iEditorSubPane->SetOperator(TCalcEditLine::ECalcEqual);
|
|
1028 |
// Show result on the sheet
|
|
1029 |
CCalcOutputSheet* sheet = iContainer->OutputSheet();
|
|
1030 |
sheet->ScrollToBottomL();
|
|
1031 |
iContainer->ScrollArrowUpdate();
|
|
1032 |
}
|
|
1033 |
return calculationError;
|
|
1034 |
}
|
|
1035 |
|
|
1036 |
// ----------------------------------------------------
|
|
1037 |
// CCalcView::DoActivateL
|
|
1038 |
// This is called when CCalcView becomes active.
|
|
1039 |
// (other items were commented in a header).
|
|
1040 |
// ----------------------------------------------------
|
|
1041 |
//
|
|
1042 |
void CCalcView::DoActivateL
|
|
1043 |
(const TVwsViewId& /* aPrevViewId */,
|
|
1044 |
TUid /* aCustomMessageId */,
|
|
1045 |
const TDesC8& /* aCustomMessage */)
|
|
1046 |
{
|
|
1047 |
if ( iContainer == NULL )
|
|
1048 |
{
|
|
1049 |
CreateContainerL();
|
|
1050 |
AppUi()->AddToStackL( *this, iContainer );
|
|
1051 |
iContainer->ActivateL();
|
|
1052 |
}
|
|
1053 |
|
|
1054 |
}
|
|
1055 |
|
|
1056 |
// ----------------------------------------------------
|
|
1057 |
// CCalcView::DoDeactivate
|
|
1058 |
// This is called when CCalcView becomes deactive.
|
|
1059 |
// (other items were commented in a header).
|
|
1060 |
// ----------------------------------------------------
|
|
1061 |
//
|
|
1062 |
void CCalcView::DoDeactivate()
|
|
1063 |
{
|
|
1064 |
if ( iContainer )
|
|
1065 |
{
|
|
1066 |
AppUi()->RemoveFromStack( iContainer );
|
|
1067 |
delete iContainer;
|
|
1068 |
iContainer = NULL;
|
|
1069 |
}
|
|
1070 |
}
|
|
1071 |
|
|
1072 |
// ---------------------------------------------------------
|
|
1073 |
// CCalcView::Id
|
|
1074 |
// Return UID of CCalcView
|
|
1075 |
// (other items were commented in a header).
|
|
1076 |
// ---------------------------------------------------------
|
|
1077 |
//
|
|
1078 |
TUid CCalcView::Id() const
|
|
1079 |
{
|
|
1080 |
return TUid::Uid(KCalcViewId);
|
|
1081 |
}
|
|
1082 |
|
|
1083 |
// ---------------------------------------------------------
|
|
1084 |
// CCalcView::DynInitMenuPaneL
|
|
1085 |
// This app can have only one menu.
|
|
1086 |
// But menu of Calculator application is changed on State, memory etc.
|
|
1087 |
// Therefore to delete meaningless items from menu, this function is defined.
|
|
1088 |
// (other items were commented in a header).
|
|
1089 |
// ---------------------------------------------------------
|
|
1090 |
//
|
|
1091 |
void CCalcView::DynInitMenuPaneL
|
|
1092 |
(TInt aResourceId,
|
|
1093 |
CEikMenuPane* aMenuPane)
|
|
1094 |
{
|
|
1095 |
if(iServiceHandler->HandleSubmenuL(*aMenuPane))
|
|
1096 |
{
|
|
1097 |
return;
|
|
1098 |
}
|
|
1099 |
switch (aResourceId)
|
|
1100 |
{
|
|
1101 |
case (R_CALC_POPUPMENU):
|
|
1102 |
{
|
|
1103 |
|
|
1104 |
DynInitMainMenuPane(aMenuPane);
|
|
1105 |
|
|
1106 |
/***** Get the context of the Help topic from here *****/
|
|
1107 |
CArrayFix<TCoeHelpContext>* buf= AppUi()->AppHelpContextL();
|
|
1108 |
TInt i= buf->Count();
|
|
1109 |
if(i!=0)
|
|
1110 |
{
|
|
1111 |
/***** Check whether our flag is defined or not *****/
|
|
1112 |
#ifdef RD_HELP_AIW_INTEGRATION
|
|
1113 |
|
|
1114 |
/***** Call the AiwProvider's AddItemsL to attach the mnu items********/
|
|
1115 |
|
|
1116 |
iServiceHandler->InitializeMenuPaneL(*aMenuPane,aResourceId,
|
|
1117 |
ECmdLast,iServiceHandler->InParamListL());
|
|
1118 |
/**** Set the old embedded help as dimmed one ****/
|
|
1119 |
aMenuPane->SetItemDimmed(ECalcCmdHelp, ETrue);
|
|
1120 |
#else
|
|
1121 |
/**** Set the Aiw Help as dimmed one as our feature flag is not defined ****/
|
|
1122 |
aMenuPane->SetItemDimmed(ECmdAiwPlaceHolder,ETrue);
|
|
1123 |
#endif
|
|
1124 |
}
|
|
1125 |
else
|
|
1126 |
{
|
|
1127 |
/**** If the Feature flag is not defined dont show the Aiw Help ****/
|
|
1128 |
aMenuPane->SetItemDimmed(ECmdAiwPlaceHolder,ETrue);
|
|
1129 |
}
|
|
1130 |
|
|
1131 |
/******* Delete the buffer and make it to NULL *****/
|
|
1132 |
delete buf;
|
|
1133 |
buf = NULL;
|
|
1134 |
if (!FeatureManager::FeatureSupported( KFeatureIdHelp ))
|
|
1135 |
{
|
|
1136 |
aMenuPane->DeleteMenuItem(ECalcCmdHelp);
|
|
1137 |
aMenuPane->DeleteMenuItem(ECmdAiwPlaceHolder);
|
|
1138 |
}
|
|
1139 |
break;
|
|
1140 |
}
|
|
1141 |
|
|
1142 |
case (R_CALC_MEMORY_MENU):
|
|
1143 |
{
|
|
1144 |
DynInitMemoryMenuPane(aMenuPane);
|
|
1145 |
break;
|
|
1146 |
}
|
|
1147 |
default:
|
|
1148 |
{
|
|
1149 |
break;
|
|
1150 |
}
|
|
1151 |
}
|
|
1152 |
}
|
|
1153 |
// ---------------------------------------------------------
|
|
1154 |
// CCalcView::HandleForegroundEventL
|
|
1155 |
//Refresh and draw display ,paper and function map Icons.
|
|
1156 |
// ---------------------------------------------------------
|
|
1157 |
//
|
|
1158 |
void CCalcView::HandleForegroundEventL(TBool aForeground)
|
|
1159 |
{
|
|
1160 |
if( (aForeground) && (STATIC_CAST(CCalcAppUi*, AppUi())->IsSkinChanged()) )
|
|
1161 |
{
|
|
1162 |
iEditorSubPane->RefreshDisplaySideLBitmap();
|
|
1163 |
iEditorSubPane->RefreshDisplayCenterBitmap();
|
|
1164 |
iEditorSubPane->RefreshDisplaySideRBitmap();
|
|
1165 |
|
|
1166 |
iEditorSubPane->DrawNow();
|
|
1167 |
|
|
1168 |
iOutputSheet->RefreshPaperBitmap();
|
|
1169 |
iOutputSheet->RefreshScalablePaperBitmap();
|
|
1170 |
#ifdef __SCALABLE_ICONS
|
|
1171 |
iOutputSheet->RefreshResultsLineBitmap();
|
|
1172 |
#endif
|
|
1173 |
iOutputSheet->DrawNow();
|
|
1174 |
|
|
1175 |
iContainer->FunctionSubPane()->RefreshButtonIcons();
|
|
1176 |
for(TInt i =0; i< 10; i++)
|
|
1177 |
{
|
|
1178 |
iContainer->FunctionSubPane()->GetButtonBitmapControl(i)->DrawNow();
|
|
1179 |
}
|
|
1180 |
}
|
|
1181 |
else
|
|
1182 |
{
|
|
1183 |
CAknView::HandleForegroundEventL(aForeground);
|
|
1184 |
}
|
|
1185 |
}
|
|
1186 |
|
|
1187 |
|
|
1188 |
// End of File
|