author | Simon Howkins <simonh@symbian.org> |
Tue, 16 Nov 2010 11:09:56 +0000 | |
branch | RCL_3 |
changeset 33 | 2d34f54f7334 |
parent 0 | e83bab7cf002 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007, 2008 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: Model implementation with utilities for scrollbar widget. |
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* |
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*/ |
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//User Includes |
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#include "alfscrollbarmodel.h" |
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#include "alfscrollbarwidget.h" |
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|
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//Widget includes |
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#include <alf/ialfscrollbardefaultbaseelement.h> |
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#include "ialfscrollbarbaseelementinternal.h" |
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#include "alfscrollbardefaultbaseelement.h" |
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|
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#include <alf/ialfscrollbarwidget.h> |
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#include <alf/alfmodel.h> |
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#include <alf/alfexception.h> |
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|
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namespace Alf |
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{ |
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|
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/* |
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* To store data required in the model class |
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*/ |
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struct ScrollbarModelDataImpl |
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{ |
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int mTotalLength; |
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int mViewLength; |
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int mViewStartPosition; |
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}; |
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|
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// ======== MEMBER FUNCTIONS ======== |
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|
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// --------------------------------------------------------------------------- |
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// C++ default constructor. |
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// --------------------------------------------------------------------------- |
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// |
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AlfScrollBarModel::AlfScrollBarModel(IAlfVariantType* aDataSource): |
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mModel ( NULL ) |
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{ |
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construct ( aDataSource ); |
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|
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// Create an instance of model specific data |
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mModelData = new (EMM) ScrollbarModelDataImpl(); |
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|
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// Initialise model data with default values |
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mModelData->mTotalLength = 0; |
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mModelData->mViewLength = 0; |
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mModelData->mViewStartPosition = 0; |
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mScrollWidget = NULL; |
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}//End of AlfScrollBarModel function. |
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// --------------------------------------------------------------------------- |
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// Destructor. |
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// --------------------------------------------------------------------------- |
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// |
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AlfScrollBarModel::~AlfScrollBarModel() |
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{ |
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if(mModelData) |
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delete mModelData; |
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delete mModel; |
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}//End of ~AlfScrollBarModel function. |
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|
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// --------------------------------------------------------------------------- |
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// Second Phase Constructor. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::construct ( IAlfVariantType* /*aDataSource */) |
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{ |
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}//End of construct function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Add a new observer to be notified of any changes in the model. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::addModelChangeObserver( |
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IAlfModelChangeObserver& /*aObserver*/) |
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{ |
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}//End of addModelChangeObserver function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Add a new observer to be notified of any changes in the model. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::removeModelChangeObserver( |
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IAlfModelChangeObserver& /*aObserver*/ ) |
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{ |
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}//End of function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Api to change the model completely at one short. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::setData ( IAlfVariantType* /*aData*/ ) |
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{ |
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}//End of removeModelChangeObserver function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Change a given of data fields in the model. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::updateData( |
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TInt /*aNumContainerIndices*/, |
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TInt* /*aContainerIndices*/, |
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IAlfVariantType* /*aData*/) |
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{ |
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ALF_THROW(AlfException,EInvalidArgument,"updateData") |
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}//End of updateData function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Add a number of data fields in the model data. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::addData( |
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TInt /*aNumContainerIndices*/, |
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TInt* /*aContainerIndices*/, |
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IAlfVariantType* /*aData*/) |
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{ |
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ALF_THROW(AlfException,EInvalidArgument,"addData") |
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}//End of addData function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Remove a number of data fields in the model data. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::removeData( |
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TInt /*aNumContainerIndices*/, |
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TInt* /*aContainerIndices*/ ) |
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{ |
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ALF_THROW(AlfException,EInvalidArgument,"removeData") |
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}//End of removeData function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Api for executing batch operations. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::executeOperations( |
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AlfPtrVector<AlfModelOperation>& /*aOperationsArray*/) |
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{ |
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ALF_THROW(AlfException,EInvalidArgument,"executeOperations") |
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}//End of executeOperations function. |
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Api for executing one operation at a Time. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::executeOperation(AlfModelOperation* /*aOperation*/) |
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{ |
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ALF_THROW(AlfException,EInvalidArgument,"executeOperation") |
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}//End of executeOperation function. |
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|
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Clears the Model. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::clearModel() |
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{ |
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}//End of clearModel function. |
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|
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// --------------------------------------------------------------------------- |
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// From class IAlfModel. |
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// Get the root data object of this model. |
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// --------------------------------------------------------------------------- |
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// |
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IAlfVariantType* AlfScrollBarModel::data() const |
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{ |
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return NULL; |
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}//End of data function. |
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|
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|
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// --------------------------------------------------------------------------- |
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// From class IAlfInterfaceBase. |
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// Getter for interfaces provided by the scrollbar model. |
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// --------------------------------------------------------------------------- |
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IAlfInterfaceBase* AlfScrollBarModel::makeInterface(const IfId& aType) |
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{ |
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IAlfInterfaceBase* ret ( 0 ); |
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UString param ( aType.mImplementationId ); |
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|
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if ( param == IAlfScrollBarModel::type().mImplementationId ) |
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{ |
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ret = static_cast<IAlfScrollBarModel*>(this); |
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} |
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else if ( param == IAlfModel::type().mImplementationId ) |
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{ |
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ret = static_cast<IAlfModel*>(this); |
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} |
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else |
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{ |
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//do nothing |
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} |
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|
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return ret; |
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}//End of makeInterface function. |
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|
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// --------------------------------------------------------------------------- |
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// From class IAlfScrollBarModel. |
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// Create the default data structure for a ScrollBar widget. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::initializeData( |
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int aTotalLength, |
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int aViewLengthInSteps, |
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int aViewStartPosition) |
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{ |
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|
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validateAllData(aTotalLength, |
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aViewLengthInSteps, |
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aViewStartPosition); |
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|
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// Initialise model with the data provided |
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mModelData->mTotalLength = aTotalLength; |
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mModelData->mViewLength = aViewLengthInSteps; |
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mModelData->mViewStartPosition = aViewStartPosition; |
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|
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changeData( |
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mModelData->mTotalLength, |
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mModelData->mViewLength, |
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mModelData->mViewStartPosition); |
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|
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}//End of function. |
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|
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// --------------------------------------------------------------------------- |
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// Set Total Length . |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::setTotalLength(int aTotalLength) |
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{ |
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int viewLength = getViewLength(); |
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int viewStartPos = getViewStartPosition(); |
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|
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if (validateAllData(aTotalLength, |
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viewLength, |
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viewStartPos)) |
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{ |
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updateScrollBarModel(aTotalLength, -1, -1 ); |
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} |
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else |
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{ |
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updateScrollBarModel(aTotalLength, viewLength, viewStartPos); |
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} |
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}//End of setTotalLength function. |
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|
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// --------------------------------------------------------------------------- |
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// Set ViewLength. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::setViewLength(int aViewLengthInSteps) |
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{ |
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validateViewLength(aViewLengthInSteps); |
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updateScrollBarModel ( -1, aViewLengthInSteps, -1); |
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|
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}//End of setViewLength function. |
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|
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|
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// --------------------------------------------------------------------------- |
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// Set Thumb Position. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::setViewStartPosition ( int aViewStartPosition ) |
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{ |
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validateViewStartPos(aViewStartPosition); |
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updateScrollBarModel (-1, -1, aViewStartPosition); |
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}//End of setViewStartPosition function. |
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|
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// --------------------------------------------------------------------------- |
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// Changes all the data of model with new values. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::changeData( |
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int aTotalLength, |
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int aViewLength, |
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int aViewStartPosition ) |
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{ |
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|
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validateAllData(aTotalLength, |
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aViewLength, |
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aViewStartPosition); |
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|
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if(getViewStartPosition() == aViewStartPosition && |
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getTotalLength() == aTotalLength && |
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getViewLength() == aViewLength) |
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{ |
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// nothing is changed |
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return ; |
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} |
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else |
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{ |
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updateScrollBarModel( |
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aTotalLength, |
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aViewLength, |
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aViewStartPosition); |
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} |
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|
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|
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}//End of changeData function. |
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|
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// --------------------------------------------------------------------------- |
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// getTotalLength. |
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// --------------------------------------------------------------------------- |
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// |
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int AlfScrollBarModel::getTotalLength() const |
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{ |
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return mModelData->mTotalLength; |
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}//End of getTotalLength function. |
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|
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|
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// --------------------------------------------------------------------------- |
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// Returns ViewLength. |
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// --------------------------------------------------------------------------- |
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// |
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int AlfScrollBarModel::getViewLength() const |
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{ |
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|
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return mModelData->mViewLength; |
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}//End of getViewLength function. |
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|
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|
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// --------------------------------------------------------------------------- |
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// Returns ViewStartPosition. |
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// --------------------------------------------------------------------------- |
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// |
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int AlfScrollBarModel::getViewStartPosition() const |
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{ |
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return mModelData->mViewStartPosition; |
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}//End of getViewStartPosition function. |
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|
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// --------------------------------------------------------------------------- |
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// Updates the ScrollBar visualization |
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// according to the model data. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::updateScrollBarVisualization() |
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{ |
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//updateVisualization with new model |
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IAlfElement* element = (mScrollWidget)->control()->findElement("BaseElement"); |
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IAlfScrollBarDefaultBaseElement* defaultLCTBaseElement = static_cast<IAlfScrollBarDefaultBaseElement*> ( |
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element->makeInterface (IAlfScrollBarDefaultBaseElement::type() ) ); |
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AlfScrollBarDefaultBaseElement* baseElement = (AlfScrollBarDefaultBaseElement*)defaultLCTBaseElement; |
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|
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baseElement->updateVisualization(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Updates the ScrollBar model according to the parameters. |
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// --------------------------------------------------------------------------- |
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// |
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void AlfScrollBarModel::updateScrollBarModel( |
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int aTotalLength, |
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int aViewLength, |
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int aViewStartPosition) |
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391 |
{ |
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//change only if the parameters are non negative . |
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|
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if(aTotalLength!=-1) |
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{ |
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mModelData->mTotalLength = aTotalLength; |
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} |
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else |
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399 |
{ |
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// Do Nothing |
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} |
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402 |
|
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if(aViewLength!=-1) |
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404 |
{ |
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mModelData->mViewLength = aViewLength; |
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} |
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else |
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408 |
{ |
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// Do Nothing |
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} |
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|
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412 |
|
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if(aViewStartPosition!=-1) |
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414 |
{ |
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mModelData->mViewStartPosition = aViewStartPosition; |
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} |
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else |
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418 |
{ |
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// Do Nothing |
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} |
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|
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//updateVisualization with new model |
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updateScrollBarVisualization(); |
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}//End of updateScrollBarModel function. |
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|
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// --------------------------------------------------------------------------- |
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// validateViewLength |
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// --------------------------------------------------------------------------- |
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// |
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bool AlfScrollBarModel::validateViewLength(int & aViewLength) |
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431 |
{ |
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bool ret = true; |
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|
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if (aViewLength <= 0) |
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435 |
{ |
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// Minimum view length |
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aViewLength = 1; |
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changeset
|
438 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
int totalLength = getTotalLength(); |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
if (aViewLength > totalLength) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
aViewLength = totalLength; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
// do nothing |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
return ret; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
// validateViewStartPos |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
// |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
bool AlfScrollBarModel::validateViewStartPos(int & aViewStartPos) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
bool ret = true; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
if (aViewStartPos < 0) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
aViewStartPos = 0; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
int totalLength = getTotalLength(); |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
int viewLength = getViewLength(); |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
if (aViewStartPos > (totalLength-viewLength)) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
// Maximum value |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
aViewStartPos = totalLength-viewLength; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
// do nothing |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
return ret; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
// validateAllData |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
// |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
bool AlfScrollBarModel::validateAllData(int & aTotalLength, |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
int & aViewLength, |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
int & aViewStartPos) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
bool ret = true; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
if (aTotalLength <= 0) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
aTotalLength = 1; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
// do nothing |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
// validate view length |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
if (aViewLength <= 0) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
aViewLength = 1; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
else if (aViewLength > aTotalLength) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
// Setting maximum possible value of View Length |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
aViewLength = aTotalLength; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
// do nothing |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
// validate view start pos |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
if (aViewStartPos < 0) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
aViewStartPos = 0; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
else if (aViewStartPos > (aTotalLength-aViewLength) ) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
// Setting maximum possible value of View Length |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
aViewStartPos = aTotalLength-aViewLength; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
ret = false; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
else |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
// do nothing |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
// No need to validate aFocusPos for now |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
return ret; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
|
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
// StoreWidget |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
// --------------------------------------------------------------------------- |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
// |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
void AlfScrollBarModel::storeWidget(AlfScrollBarWidget* aWidget) |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
{ |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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mScrollWidget = aWidget; |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
} |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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553 |
}//Namespace Alf |
e83bab7cf002
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |