radioapp/radiowidgets/src/radiostripbase.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 15:52:32 +0300
changeset 19 afea38384506
parent 16 f54ebcfc1b80
child 37 451b2e1545b2
permissions -rw-r--r--
Revision: 201017 Kit: 201019
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/*
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* Copyright (c) 2009 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:
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*
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*/
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// System includes
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#include <QGraphicsSceneEvent>
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// User includes
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#include "radiostripbase.h"
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#include "radiologger.h"
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// Constants
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/*!
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 *
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 */
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RadioStripBase::RadioStripBase( QGraphicsItem* parent ) :
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    HbScrollArea( parent ),
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    mAutoScrollTime( 0 ),
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    mStripContainer( new HbWidget( this ) ),
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    mModel( 0 ),
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    mIsCyclic( true ),
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    mAutoCenter( false ),
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    mSpacing( 0 ),
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    mItemPoolParent( new QGraphicsWidget( NULL ) ),
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    mCurrentIndex( 0 ),
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    mPressedIndex( 0 ),
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    mStripLength( 0 ),
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    mContentsLength( 0 )
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{
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    setClampingStyle( HbScrollArea::NoClamping );
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    setScrollDirections( Qt::Horizontal );
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    setFlag( QGraphicsItem::ItemClipsChildrenToShape, true );
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    setContentWidget( mStripContainer );
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    setFrictionEnabled( true );
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    setLongPressEnabled( false );
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    setHorizontalScrollBarPolicy( HbScrollArea::ScrollBarAlwaysOff );
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    setVerticalScrollBarPolicy( HbScrollArea::ScrollBarAlwaysOff );
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    // mItemParent is used to hold the unused QGraphicsItem's in the pool.  It's visibility is set to false
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    // so the visibility of the items doesn't need to be modified.
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    mItemPoolParent->setVisible( false );
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    connectAndTest( this,   SIGNAL(scrollPositionChanged(QPointF)),
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                    this,   SLOT(scrollPositionChanged(QPointF)));
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}
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/*!
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 *
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 */
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RadioStripBase::~RadioStripBase()
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{
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}
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/*!
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 *
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 */
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void RadioStripBase::setAutoScrollTime( const int time )
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{
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    mAutoScrollTime = time;
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}
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/*!
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 *
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 */
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int RadioStripBase::autoScrollTime() const
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{
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    return mAutoScrollTime;
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}
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/*!
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 *
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 */
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void RadioStripBase::setModel( QAbstractItemModel* model )
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{
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    if ( mModel != model )
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    {
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    //    if ( mModel )
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    //    {
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    //        disconnectDataModel();
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    //    }
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        mModel = model;
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        if ( mModel )
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        {
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    //        connectDataModel();
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            mCurrentIndex = 0;
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            populateAndLayout();
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        }
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    }
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}
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/*!
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 *
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 */
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QAbstractItemModel* RadioStripBase::model() const
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{
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    return mModel;
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}
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/*!
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 *
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 */
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void RadioStripBase::setCyclic( bool isCyclic )
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{
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    mIsCyclic = isCyclic;
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}
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/*!
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 *
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 */
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void RadioStripBase::setSpacing( qreal spacing )
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{
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    if ( mSpacing != spacing )
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    {
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        mSpacing = spacing;
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        prepareGeometryChange();
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        populateAndLayout();
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        update();
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        updateGeometry();
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    }
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}
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/*!
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 *
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 */
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void RadioStripBase::setAutoCenter( bool autoCenter )
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{
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    mAutoCenter = autoCenter;
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}
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/*!
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 *
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 */
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void RadioStripBase::setItemSize( const QSizeF& size )
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{
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    if ( mItemSize != size ) {
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        mItemSize = size;
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        prepareGeometryChange();
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        populateAndLayout();
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        update();
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        updateGeometry();
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    }
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}
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/*!
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 *
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 */
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void RadioStripBase::setIndex( int index, bool animateToCenter )
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{
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    Q_UNUSED( animateToCenter )
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    // Sanity checks
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    if ( !mModel || ( !mIsCyclic && ( index < 0 || index >= mModel->rowCount() ) ) ) {
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        return;
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    }
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    const int oldIndex = mCurrentIndex;
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    if ( mIsCyclic )
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    {
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        int numRows = mModel->rowCount();
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        index = (index + numRows) % numRows;
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    }
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    Q_ASSERT( index >= 0 );
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    mCurrentIndex = index;
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    updateItemWithIndex( mCurrentIndex );
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    updateItemWithIndex( oldIndex );
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}
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/*!
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 * \reimp
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 */
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void RadioStripBase::resizeEvent( QGraphicsSceneResizeEvent* event )
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{
16
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    Q_UNUSED( event );
13
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    populateAndLayout();
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}
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/*!
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 * \reimp
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 */
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void RadioStripBase::mousePressEvent( QGraphicsSceneMouseEvent* event )
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{
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    if ( event->button() != Qt::LeftButton || !mModel || !mModel->rowCount() )
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    {
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        event->ignore();
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        return;
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    }
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    HbScrollArea::mousePressEvent( event );
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}
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/*!
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 * \reimp
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 */
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void RadioStripBase::mouseReleaseEvent( QGraphicsSceneMouseEvent* event )
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{
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    if ( event->button() != Qt::LeftButton )
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    {
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        event->ignore();
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        return;
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    }
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    HbScrollArea::mouseReleaseEvent( event );
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}
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/*!
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 * Private slot
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 */
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void RadioStripBase::scrollPositionChanged( QPointF newPosition )
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{
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    adjustItems();
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    scrollPosChanged( newPosition );
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}
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/*!
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 *
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 */
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void RadioStripBase::moveAllItemsToPool()
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{
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    // set parent of all items to pool
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    foreach( QGraphicsItem* item, mItemAtSlot )
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    {
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        item->setParentItem( mItemPoolParent );
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parents:
diff changeset
   247
    }
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parents:
diff changeset
   248
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   249
    // move all items to pool
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   250
    mItemPool += mItemAtSlot;
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parents:
diff changeset
   251
    mItemAtSlot.clear();
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parents:
diff changeset
   252
    mIndexAtSlot.clear();
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parents:
diff changeset
   253
}
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parents:
diff changeset
   254
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parents:
diff changeset
   255
/*!
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parents:
diff changeset
   256
 *
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parents:
diff changeset
   257
 */
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parents:
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   258
void RadioStripBase::populateAndLayout()
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parents:
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   259
{
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   260
    moveAllItemsToPool();
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parents:
diff changeset
   261
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   262
    if ( !mModel || mModel->rowCount() == 0 )
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parents:
diff changeset
   263
    {
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parents:
diff changeset
   264
        return;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   267
    mStripLength = boundingRect().width();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   268
    qreal itemSize = mItemSize.width();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   269
    mContentsLength = mModel->rowCount() * (itemSize + mSpacing) + mSpacing;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   270
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parents:
diff changeset
   271
    if ( mIsCyclic )
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parents:
diff changeset
   272
    {
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parents:
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   273
        // if treating the items cyclically, double the content area so it can
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parents:
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   274
        // be shifted back and forth as you scroll
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parents:
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   275
        mContentsLength = mModel->rowCount() * (itemSize + mSpacing);
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parents:
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   276
        mContentsLength *= 2.0;
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parents:
diff changeset
   277
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   278
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   279
    qreal currPos = mSpacing;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   280
    for ( int i = 0; i < mModel->rowCount(); ++i ) {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   281
        if ( currPos > mStripLength )
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parents:
diff changeset
   282
        {
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parents:
diff changeset
   283
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   286
        QGraphicsItem* item = constructItem( i, true );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
        if ( item )
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parents:
diff changeset
   288
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
            item->setPos( QPointF( currPos, mSpacing ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
            currPos += itemSize + mSpacing;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
    QRectF contentsRect(0,0,0,0);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
    contentsRect.setBottom( itemSize + 2 * mSpacing );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
    contentsRect.setRight( mContentsLength );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
    mStripContainer->setGeometry( contentsRect );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
    if ( mCurrentIndex >= 0 )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
        setIndex( mCurrentIndex, false );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
 *
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
QGraphicsItem* RadioStripBase::constructItem( int index, bool append )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   310
{
46974bebc798 Revision: 201007
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parents:
diff changeset
   311
    QGraphicsItem* item = getFromPool();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
    if ( mIsCyclic )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
        Q_ASSERT( index >= 0 && index < 2 * mModel->rowCount() );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
        updateItemPrimitive( item, index % mModel->rowCount() );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
    else
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
        Q_ASSERT( index >= 0 && index < mModel->rowCount() );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
        updateItemPrimitive( item, index );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
    item->setParentItem( mStripContainer );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
    if ( append )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
        mItemAtSlot.append( item );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
        mIndexAtSlot.append( index );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
    else
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
        mItemAtSlot.prepend( item );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
        mIndexAtSlot.prepend( index );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
    return item;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
 *
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
QGraphicsItem* RadioStripBase::getFromPool()
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
    QGraphicsItem* item = 0;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    if ( mItemPool.isEmpty() )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        item = createItemPrimitive( this );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
    else
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        item = mItemPool.takeFirst();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    return item;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
 *
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
void RadioStripBase::returnToPool( QGraphicsItem* item )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
    // Unparent the item so it doesn't get deleted
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
    item->setParentItem( mItemPoolParent );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    mItemPool.append( item );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
 * Returns starting coordinate of the item with the specified index
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
qreal RadioStripBase::indexToOffset( int index )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
    return index * ( mItemSize.width() + mSpacing ) + mSpacing;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
 * Returns item index for specified offset amount into the content
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
int RadioStripBase::offsetToIndex( qreal offset )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    const int rows = mModel->rowCount();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
    int index = (int)( ( offset - mSpacing) / ( mItemSize.width() + mSpacing ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
    if ( mIsCyclic )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
       return qBound( 0, index, 2 * rows - 1 );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
    return qBound( 0, index, rows - 1 );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
 * updates items with specified index value
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
void RadioStripBase::updateItemWithIndex( int index )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
    if( index >= 0 )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
        QList<QGraphicsItem *>::const_iterator item = mItemAtSlot.constBegin();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
        QList<QGraphicsItem *>::const_iterator itemsEnd = mItemAtSlot.constEnd();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
        QList<int>::const_iterator itemIndex = mIndexAtSlot.constBegin();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
        const int rowCount = mModel->rowCount();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
        // Find all items with this index (can be 2 in special cycling case)
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
        for( ; item != itemsEnd; ++item, ++itemIndex )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
            if( index == *itemIndex || index == *itemIndex - rowCount )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
            {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
                // update those items
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
                updateItemPrimitive( *item, index );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
            }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
}
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
/*!
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
 * Updates items during scrolling: removing invisible items and adding items that became visible
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
 */
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
void RadioStripBase::adjustItems()
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
{
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    qreal contentPos = mStripContainer->pos().x();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    if ( mIsCyclic )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
        if ( -contentPos < 0 )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
            // trying  to display off the left end of the strip, so
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
            // shift the strip one length to the left
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
            contentPos -= mContentsLength * 0.5;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
            mStripContainer->setPos( QPointF ( contentPos, mStripContainer->pos().y() ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
        } else if (-contentPos > mContentsLength * 0.5) {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
            // trying to display off the right end of the strip, so
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
            // shift the strip one length to the right
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
            contentPos += mContentsLength * 0.5;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
            mStripContainer->setPos( QPointF ( contentPos, mStripContainer->pos().y() ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
    // find the first and last indices of the visible items
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
    int firstVisibleIndex = offsetToIndex( -contentPos );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
    int lastVisibleIndex = offsetToIndex( -contentPos + mStripLength );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
    // remove items at the start that are no longer visible
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    while ( !mIndexAtSlot.isEmpty() )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
        int firstSlotIndex = mIndexAtSlot.first();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
        if ( firstVisibleIndex <= firstSlotIndex )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
            break;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
        returnToPool( mItemAtSlot.first() );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
        mItemAtSlot.removeFirst();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
        mIndexAtSlot.removeFirst();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
    // remove items at the end that are no longer visible
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
    while ( !mIndexAtSlot.isEmpty() )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
        int lastSlotIndex = mIndexAtSlot.last();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
        if ( lastVisibleIndex >= lastSlotIndex )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
            break;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
        returnToPool( mItemAtSlot.last() );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
        mItemAtSlot.removeLast();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
        mIndexAtSlot.removeLast();
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
    if ( mItemAtSlot.isEmpty() )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
        // fill area with all needed items
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
        for ( int i = firstVisibleIndex; i <= lastVisibleIndex; ++i )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
            QGraphicsItem* item = constructItem( i, true );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
            if ( item )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
            {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
                item->setPos( QPointF( indexToOffset( i ), mSpacing ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
            }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
    else
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
        // add missing items at the front
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
        int firstItemToCreate = mIndexAtSlot.first()-1;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
        for ( int i = firstItemToCreate; i >= firstVisibleIndex; --i )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
            QGraphicsItem* item = constructItem( i, false );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
            if ( item )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
            {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
                item->setPos( QPointF( indexToOffset( i ), mSpacing ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
            }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
        // add missing items at the end
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
        firstItemToCreate = mIndexAtSlot.last()+1;
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
        for ( int i = firstItemToCreate; i <= lastVisibleIndex; ++i )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
        {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
            QGraphicsItem* item = constructItem( i, true );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
            if ( item )
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
            {
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
                item->setPos( QPointF( indexToOffset( i ), mSpacing ) );
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
            }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
        }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
    }
46974bebc798 Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
}