ganeswidgets/src/hgwidgets_p.cpp
author hgs
Fri, 23 Jul 2010 10:05:37 +0300
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/*
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* Copyright (c) 2010 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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#include <QApplication>
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#include <HbScrollbar>
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#include <hgwidgets/hgwidgets.h>
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#include "hgwidgets_p.h"
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#include "hgcontainer.h"
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#include "hgcoverflowcontainer.h"
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#include "hgscrollbuffermanager.h"
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#include "hgwidgetitem.h"
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#include "trace.h"
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//#include "hgindexfeedback.h"
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static const int INITIAL_SCROLLBAR_HIDE_TIMEOUT(4000);
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static const int DEFAULT_BUFFER_SIZE(25);
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HgWidgetPrivate::HgWidgetPrivate() :
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    mContainer(0),
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    mBufferManager(0),
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    mModel(0),
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    mDefaultSelectionModel(0),
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    mScrollBar(0),
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    mAbleToScroll(false),
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    mHandleLongPress(false),
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    mBufferSize(DEFAULT_BUFFER_SIZE),
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    mStaticScrollDirection(false)
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{
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    FUNC_LOG;
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}
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HgWidgetPrivate::~HgWidgetPrivate()
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{
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    FUNC_LOG;
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    delete mScrollBarHideTimer;
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    delete mDefaultSelectionModel;
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    delete mBufferManager;
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}
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void HgWidgetPrivate::init(HgContainer *container)
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{
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    FUNC_LOG;
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    Q_Q(HgWidget);
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    mScrollBarHideTimer = new QTimer();
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    mScrollBarHideTimer->setSingleShot(true);
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    q->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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    q->setFlag( QGraphicsItem::ItemClipsChildrenToShape, true );
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    q->setFocusPolicy(Qt::StrongFocus);
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    createScrollBar(container->scrollDirection());
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    //QObject::connect(&(mScrollBarHideTimer), SIGNAL(timeout()), q, SLOT(_q_hideScrollBars()));
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    mContainer = container;
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    mScrollBarPolicy = HgWidget::ScrollBarAutoHide;
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    q->connect(mContainer, SIGNAL(scrollPositionChanged(qreal,bool)),
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               q, SLOT(_q_scrollPositionChanged(qreal,bool)));
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    q->connect(mContainer, SIGNAL(activated(const QModelIndex&)),
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               q, SIGNAL(activated(const QModelIndex&)));
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    q->connect(mContainer, SIGNAL(longPressed(const QModelIndex&, const QPointF &)),
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               q, SIGNAL(longPressed(const QModelIndex&, const QPointF &)));
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    q->connect(mContainer, SIGNAL(scrollingStarted()), q, SIGNAL(scrollingStarted()));
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    q->connect(mContainer, SIGNAL(scrollingEnded()), q, SIGNAL(scrollingEnded()));
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    q->connect(mScrollBarHideTimer, SIGNAL(timeout()), q, SLOT(_q_hideScrollBars()));
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//    mIndexFeedback = new HgIndexFeedback(q);
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//    mIndexFeedback->setWidget(q);
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}
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void HgWidgetPrivate::setModel( QAbstractItemModel *model )
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{
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    FUNC_LOG;
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    if (model != mModel) {
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        clearCurrentModel();
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        mModel = model;
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        initializeNewModel();
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    }
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}
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void HgWidgetPrivate::setSelectionModel(QItemSelectionModel *selectionModel)
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{
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    FUNC_LOG;
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    Q_Q(HgWidget);
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    if (mContainer) {
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        if (mContainer->selectionModel()) {
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            q->disconnect(mContainer->selectionModel(),
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                SIGNAL(currentChanged(QModelIndex, QModelIndex)),
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                q,
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                SLOT(_q_updateCurrentItem(QModelIndex, QModelIndex)));
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        }
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        QModelIndex defaultItem;
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        if (mModel && mModel->rowCount() > 0) {
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            defaultItem = mModel->index(0, 0);
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        }
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0
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        if (selectionModel == 0) {
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            QItemSelectionModel *oldSelectionModel = mDefaultSelectionModel;
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            mDefaultSelectionModel = 0;
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            mDefaultSelectionModel = new QItemSelectionModel(mModel);
5
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            q->connect(mDefaultSelectionModel,
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                SIGNAL(currentChanged(QModelIndex, QModelIndex)),
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                SLOT(_q_updateCurrentItem(QModelIndex, QModelIndex)));
3
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            mContainer->setSelectionModel(mDefaultSelectionModel, defaultItem);
0
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            delete oldSelectionModel;
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        }
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        else if (selectionModel != mContainer->selectionModel()) {
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            QItemSelectionModel *oldSelectionModel = mDefaultSelectionModel;
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            mDefaultSelectionModel = 0;
5
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            q->connect(selectionModel,
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                SIGNAL(currentChanged(QModelIndex, QModelIndex)),
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                SLOT(_q_updateCurrentItem(QModelIndex, QModelIndex)));
3
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            mContainer->setSelectionModel(selectionModel, defaultItem);
0
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            delete oldSelectionModel;
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        }
3
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0
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        if (mContainer->selectionModel()) {
2
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//            if (mIndexFeedback) {
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//                delete mIndexFeedback;
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//                mIndexFeedback = 0;
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//            }
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//            mIndexFeedback = new HgIndexFeedback(q);
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//            mIndexFeedback->setWidget(q);
3
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        }
0
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    }
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}
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QItemSelectionModel *HgWidgetPrivate::selectionModel() const
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{
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    FUNC_LOG;
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    if (mContainer) {
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        return mContainer->selectionModel();
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    }
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    return 0;
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}
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HgWidget::SelectionMode HgWidgetPrivate::selectionMode() const
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{
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    FUNC_LOG;
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    if (mContainer) {
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        return mContainer->selectionMode();
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    }
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    return HgWidget::NoSelection;
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}
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void HgWidgetPrivate::setSelectionMode(HgWidget::SelectionMode mode, bool resetSelection)
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{
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    FUNC_LOG;
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    if (mContainer) {
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        mContainer->setSelectionMode(mode, resetSelection);
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    }
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}
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void HgWidgetPrivate::selectAll()
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{
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    FUNC_LOG;
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    Q_Q(HgWidget);
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   186
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    if (mContainer &&
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        (mContainer->selectionMode() == HgWidget::MultiSelection ||
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         mContainer->selectionMode() == HgWidget::ContiguousSelection) &&
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        mModel && mModel->columnCount() > 0 && mModel->rowCount() > 0) {
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        QItemSelection selection(
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   192
                mModel->index(0, 0),
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   193
                mModel->index(mModel->rowCount()-1, mModel->columnCount()-1));
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   194
        mContainer->selectionModel()->select(selection, QItemSelectionModel::Select);
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        q->update();
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   196
    }
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}
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   198
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void HgWidgetPrivate::clearSelection()
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{
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    FUNC_LOG;
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   202
    Q_Q(HgWidget);
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   203
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    if (mContainer) {
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        mContainer->selectionModel()->clearSelection();
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        q->update();
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    }
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}
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   209
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QModelIndex HgWidgetPrivate::currentIndex() const
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{
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    FUNC_LOG;
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   213
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    if (mContainer && mContainer->selectionModel()) {
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        return mContainer->selectionModel()->currentIndex();
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    }
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    return QModelIndex();
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}
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   219
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void HgWidgetPrivate::setCurrentIndex(
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    const QModelIndex &index, QItemSelectionModel::SelectionFlags selectionFlag)
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{
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    FUNC_LOG;
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   224
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    if (mContainer && mContainer->selectionModel()) {
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        mContainer->selectionModel()->setCurrentIndex(index, selectionFlag);
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    }
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}
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void HgWidgetPrivate::scrollTo(const QModelIndex &index)
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{
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    FUNC_LOG;
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   233
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   234
    if (index.isValid()) {
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        if (mContainer) {
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            mContainer->scrollTo(index);
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            updateScrollMetrics(mContainer->scrollPosition());
0
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        }
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        if (mBufferManager) {
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            mBufferManager->scrollPositionChanged(index.row());
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        }
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    }
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}
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void HgWidgetPrivate::initializeNewModel()
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{
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    FUNC_LOG;
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    Q_Q(HgWidget);
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    if (mModel) {
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        // These asserts do basic sanity checking of the model
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        Q_ASSERT_X(mModel->index(0,0) == mModel->index(0,0),
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                   "HbAbstractItemView::setModel",
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                   "A model should return the exact same index "
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                   "(including its internal id/pointer) when asked for it twice in a row.");
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        Q_ASSERT_X(mModel->index(0,0).parent() == QModelIndex(),
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                   "HbAbstractItemView::setModel",
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                   "The parent of a top level index should be invalid");
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        q->connect(mModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
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                           SLOT( dataChanged(QModelIndex,QModelIndex)));
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        q->connect(mModel, SIGNAL(rowsInserted(QModelIndex, int, int)),
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                           SLOT(_q_insertRows(QModelIndex, int, int)));
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        q->connect(mModel, SIGNAL(rowsRemoved(QModelIndex, int, int)),
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                           SLOT(_q_removeRows(QModelIndex, int, int)));
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        q->connect(mModel, SIGNAL(rowsMoved(QModelIndex, int, int, QModelIndex, int)),
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                           SLOT(_q_moveRows(QModelIndex, int, int, QModelIndex, int)));
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        q->connect(mModel, SIGNAL(modelReset()),SLOT(_q_modelReset()));
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0
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        mContainer->setItemCount(mModel->rowCount(QModelIndex()));
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        QList<HgWidgetItem*> items = mContainer->items();
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        // set model indexes for the items firsts
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        const int itemCount = items.count();
0
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        for( int i=0; i<itemCount; i++)
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        {
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            items.at(i)->setModelIndex(mModel->index(i, 0, QModelIndex()));
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        }
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1
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        initBufferManager(itemCount);
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0
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        setSelectionModel(0); // Default
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    }
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}
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void HgWidgetPrivate::clearCurrentModel()
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{
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    FUNC_LOG;
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    Q_Q(HgWidget);
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    if (mModel) {
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        mModel->disconnect(q, SLOT(dataChanged(QModelIndex, QModelIndex)));
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        mModel->disconnect(q, SLOT(_q_insertRows(QModelIndex, int, int)));
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        mModel->disconnect(q, SLOT(_q_removeRows(QModelIndex, int, int)));
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        mModel->disconnect(q, SLOT(_q_moveRows(QModelIndex, int, int, QModelIndex, int)));
1
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        mModel->disconnect(q, SLOT(_q_modelReset()));
0
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        mModel = 0;
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    }
1
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    else if (mContainer) {
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        mContainer->setItemCount(0);
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    }
0
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//  TODO: setSelectionModel(0);
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}
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void HgWidgetPrivate::_q_releaseItems( int releaseStart, int releaseEnd )
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{
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    FUNC_LOG;
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    QList<HgWidgetItem*> items = mContainer->items();
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    const int itemCount = items.count();
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    int start = qBound(0, releaseStart, itemCount-1);
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    int end = qBound(0, releaseEnd, itemCount-1);
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    INFO("Release items:" << start << "-" << end);
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    // request data for items
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    for (int i = start; i <= end; i++) {
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        HgWidgetItem* item = items.at(i);
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        if (item) {
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            item->releaseItemData();
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        }
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    }
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}
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   324
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void HgWidgetPrivate::_q_requestItems(int requestStart, int requestEnd)
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{
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    FUNC_LOG;
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   328
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    QList<HgWidgetItem*> items = mContainer->items();
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    const int itemCount = items.count();
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    int start = qBound(0, requestStart, itemCount-1);
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    int end = qBound(0, requestEnd, itemCount-1);
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    // variables to track which items are really updated.
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    int firstUpdated = -1;
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    int lastUpdated = -1;
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    INFO("Request items:" << start << "-" << end);
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    // request data for items
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    for (int i = start; i <= end; i++) {
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        HgWidgetItem* item = items.at(i);
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        if (item && item->updateItemData()) {
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            if (firstUpdated == -1) firstUpdated = i;
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            lastUpdated = i;
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        }
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    }
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   348
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    // notify container which items have updated data available.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
    // container is responsible to redraw view if some of the items
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    // is visible.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    if (firstUpdated != -1 && lastUpdated != -1) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
        mContainer->itemDataChanged(firstUpdated, lastUpdated);
5
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   354
        // if item data for current has changed we need to update current.
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   355
        if (mContainer->selectionModel()) {
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   356
            QModelIndex currentIndex = mContainer->selectionModel()->currentIndex();
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   357
            if (currentIndex.isValid() &&
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   358
                currentIndex.row() >= firstUpdated &&
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   359
                currentIndex.row() <= lastUpdated) {
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   360
                updateCurrentItem(currentIndex);
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   361
            }
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   362
        }
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   363
    }    
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
void HgWidgetPrivate::_q_scrollPositionChanged(qreal index,bool scrollBarAnimation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    int newPos = index;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    newPos *= mContainer->rowCount();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
    if (mBufferManager) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
        mBufferManager->scrollPositionChanged(newPos);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    if (!scrollBarAnimation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
        updateScrollMetrics(index);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
void HgWidgetPrivate::replaceScrollBar(HbScrollBar *scrollBar)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    delete mScrollBar;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
    mScrollBar = scrollBar;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    scrollBar->setParentItem(q);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    // make sure the scrollbar is on top
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
    scrollBar->setZValue(q->zValue() + 1);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
    prepareScrollBars();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
    QObject::connect(scrollBar, SIGNAL(valueChanged(qreal, Qt::Orientation)), q, SLOT(_q_thumbPositionChanged(qreal, Qt::Orientation)));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
void HgWidgetPrivate::prepareScrollBars( qreal pos )
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
    Q_Q( HgWidget );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
    QRectF boundingRect = q->boundingRect();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
    bool scrollBarsVisible(false);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
    if ((mAbleToScroll && mScrollBarPolicy != HgWidget::ScrollBarAlwaysOff) ||
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
        mScrollBarPolicy == HgWidget::ScrollBarAlwaysOn) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
        displayScrollBar(pos );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
        scrollBarsVisible = true;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
    else if((!mAbleToScroll || mScrollBarPolicy == HgWidget::ScrollBarAlwaysOff)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
               && mScrollBar->isVisible()){
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
            mScrollBar->setVisible(false);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   413
    if (scrollBarsVisible) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   414
        mScrollBarHideTimer->stop();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   415
        mScrollBarHideTimer->start(INITIAL_SCROLLBAR_HIDE_TIMEOUT);
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
void HgWidgetPrivate::displayScrollBar(qreal pos)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
    // Layout the scrollbar
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
    setScrollBarMetrics(pos);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    // Activate the scrollbar
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    if ( !mScrollBar->isVisible() && q->isVisible()) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
        mScrollBar->setVisible(true);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
void HgWidgetPrivate::setScrollBarPolicy(HgWidget::ScrollBarPolicy policy)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
{
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   433
    Q_Q(HgWidget);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   434
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   435
    if (mScrollBarPolicy != policy) {
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   436
        mScrollBarPolicy = policy;
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   438
        if (mScrollBarPolicy == HgWidget::ScrollBarAlwaysOff &&
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   439
            mScrollBar->isVisible()){
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   440
            mScrollBar->setVisible(false);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   441
        }
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   443
        if(policy != HgWidget::ScrollBarAlwaysOff){
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   444
            updateScrollMetrics();
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   445
        }
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
void HgWidgetPrivate::_q_hideScrollBars()
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
    if (mScrollBar && mScrollBarPolicy == HgWidget::ScrollBarAutoHide) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        // TODO, do we need to know if scrollbar was pressed? we cannot access the private methods, since
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
        // only scrollareaprivate is a friend class.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
        if (false/*scrollBarPressed(mHorizontalScrollBar) ||
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
                scrollBarPressed(mVerticalScrollBar)*/) {
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   457
            mScrollBarHideTimer->start();
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
        } else if(mScrollBarPolicy != HgWidget::ScrollBarAlwaysOn
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
                  && mScrollBar->isVisible()){
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
            mScrollBar->setVisible(false);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
        }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
/**
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
 *
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
 */
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
void HgWidgetPrivate::_q_thumbPositionChanged(qreal value, Qt::Orientation orientation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    Q_UNUSED(orientation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
    mContainer->scrollToPosition( value, true );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    // TODO, stop all scrolling and animations
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   477
    if (mScrollBarHideTimer->isActive()) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   478
        mScrollBarHideTimer->stop();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   479
        mScrollBarHideTimer->start();
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
void HgWidgetPrivate::_q_insertRows(const QModelIndex &parent, int start, int end)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    FUNC_LOG;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
    INFO("Insert rows" << start << "-" << end);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    Q_UNUSED(parent)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
    if (mContainer) {
2
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   491
        const int oldItemCount = mContainer->itemCount();
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   492
        if (oldItemCount == 0) {
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   493
            // rows have been inserted to empty model. This is a special case
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   494
            // that reset function should handle.
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   495
            _q_modelReset();
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   496
            return;
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   497
        }
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   498
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   499
        mBufferManager->addItems(start, end);
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
        mContainer->addItems(start, end);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
        // re-set model indexes for the items including and after the added indexes
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
        QList<HgWidgetItem *> items = mContainer->items();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
        int newItemCount = items.count();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
        for (int i = start; i < newItemCount; i++) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
            items.at(i)->setModelIndex(mModel->index(i, 0, QModelIndex()));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
        }
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   507
        mBufferManager->flushRequestBuffers();
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
        q->update();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
void HgWidgetPrivate::_q_removeRows(const QModelIndex &parent, int start, int end)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
    FUNC_LOG;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
    INFO("Remove rows" << start << "-" << end);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
    Q_UNUSED(parent)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
    if (mContainer && mBufferManager) {
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   520
        int itemCount = mContainer->itemCount();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   521
        int first= qBound(0, start, itemCount-1);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   522
        int last = qBound(0, end, itemCount-1);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   523
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   524
        mBufferManager->removeItems(first, last);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   525
        mContainer->removeItems(first, last);
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
        // re-set model indexes for the items after the removed indexes
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
        QList<HgWidgetItem *> items = mContainer->items();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
        int newItemCount = items.count();
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   529
        for (int i = first; i < newItemCount; i++) {
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
            items.at(i)->setModelIndex(mModel->index(i, 0, QModelIndex()));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
        }
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   532
        mBufferManager->flushRequestBuffers();
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
        q->update();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
void HgWidgetPrivate::_q_moveRows(const QModelIndex &sourceParent,
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
    int sourceStart, int sourceEnd,
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
    const QModelIndex &destinationParent, int destinationRow)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
    FUNC_LOG;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
    INFO("Move rows" << sourceStart << "-" << sourceEnd << "to" << destinationRow);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
    Q_UNUSED(sourceParent)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
    Q_UNUSED(destinationParent)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
    if (mContainer) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
        mContainer->moveItems(sourceStart, sourceEnd, destinationRow);
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   549
        mBufferManager->moveItems(sourceStart, sourceEnd, destinationRow);
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
        // re-set model indexes for the items after the removed indexes
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
        QList<HgWidgetItem *> items = mContainer->items();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
        int itemCount = items.count();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
        for (int i = qMin(sourceStart, destinationRow); i < itemCount; i++) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
            items.at(i)->setModelIndex(mModel->index(i, 0, QModelIndex()));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
        }
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   556
        mBufferManager->flushRequestBuffers();
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
        q->update();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   561
void HgWidgetPrivate::_q_modelReset()
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   562
{
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   563
    FUNC_LOG;
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   564
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   565
    if (mContainer && mBufferManager) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   566
        const int oldItemCount = mContainer->itemCount();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   567
        const int newItemCount = mModel->rowCount();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   568
        if (newItemCount == oldItemCount) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   569
            // Model is reseted but itemcount is still the same.
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   570
            // Just reload all data for current buffer.
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   571
            mBufferManager->resetBuffer(mContainer->scrollPosition(), newItemCount);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   572
        }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   573
        else {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   574
            // Container destroyes all old items when new itemcount is set.
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   575
            mContainer->setItemCount(newItemCount);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   576
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   577
            // set model indexes for the items
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   578
            QList<HgWidgetItem*> items = mContainer->items();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   579
            const int itemCount = items.count();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   580
            for( int i=0; i<itemCount; i++) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   581
                items.at(i)->setModelIndex(mModel->index(i, 0, QModelIndex()));
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   582
            }
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   583
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   584
            // Buffermanager requests items to be updated.
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   585
            mBufferManager->resetBuffer(0, newItemCount);
5
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   586
        }
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   587
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   588
        // Update selection model's current.
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   589
        QItemSelectionModel *selectionModel = mContainer->selectionModel();
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   590
        if (mModel->rowCount() > 0) {
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   591
            if (selectionModel && selectionModel->currentIndex().isValid()) {
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   592
                scrollTo(selectionModel->currentIndex());
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   593
            }
5
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   594
            else {
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   595
                setCurrentIndex(mModel->index(0, 0));
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   596
                scrollTo(mModel->index(0, 0));
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   597
            }
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   598
        }    
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   599
    }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   600
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   601
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
void HgWidgetPrivate::setScrollBarMetrics(qreal pos)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
    Q_Q( HgWidget );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
    if (!mContainer)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
        return;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
    qreal screenSize, worldSize;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
    mContainer->dimensions(screenSize,worldSize);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
    const qreal start(0.0);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
    const qreal end(1.0);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
    const qreal page(screenSize/worldSize);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
    // Set handle size
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
    mScrollBar->setPageSize( qBound(start,page,end ) );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
    updateScrollBar(pos);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
void HgWidgetPrivate::updateScrollBar(qreal pos)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
    Q_Q( HgWidget );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
    if (pos < 0.0)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
        pos = 0.0;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
    else if (pos > 1.0)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
        pos = 1.0;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
        // The scrollbar "thumb" position is the current position of the contents widget divided
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
        // by the difference between the height of the contents widget and the height of the scroll area.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
        // This formula assumes that the "thumb" of the the scroll bar is sized proportionately to
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
        // the height of the contents widget.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
    mScrollBar->setValue(pos);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
/*
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
 * updateScrollMetrics() is a private function called when
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
 * scrolling starts to set the metrics needed in scrolling.
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
 */
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
void HgWidgetPrivate::updateScrollMetrics( qreal pos)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
    QRectF scrollAreaBoundingRect = q->boundingRect();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
    qreal screenSize, worldSize;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
    mContainer->dimensions(screenSize,worldSize);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
    mAbleToScroll = false;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
    if (worldSize > screenSize) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
        mAbleToScroll = true;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
    prepareScrollBars( pos/worldSize );
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
void HgWidgetPrivate::adjustGeometry()
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
{
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   661
    FUNC_LOG;
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
    Q_Q(HgWidget);
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   663
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
    QRectF scrollAreaBoundingRect = q->boundingRect();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
    if( scrollAreaBoundingRect.isNull() ||
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
            !scrollAreaBoundingRect.isValid() ||
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
            !mContainer ||
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
            scrollAreaBoundingRect == mContainer->boundingRect() )
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
        return;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
    mContainer->resize(scrollAreaBoundingRect.size());
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   673
    updateScrollMetrics(mContainer->scrollPosition());
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
void HgWidgetPrivate::lostForeground()
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
    if( !mForeground ) return;
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   680
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
    mForeground = false;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
    QList<HgWidgetItem*> list = mContainer->items();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
    foreach(HgWidgetItem* item, list){
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
        item->releaseItemData();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
void HgWidgetPrivate::gainedForeground()
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
    if( mForeground ) return;
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   691
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
    mForeground = true;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
    QList<HgWidgetItem*> list = mContainer->items();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
    int bufferStart = 0;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
    int bufferEnd = 0;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
    mBufferManager->currentBuffer(bufferStart,bufferEnd);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
    for(;bufferStart<=bufferEnd;bufferStart++){
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
        list.at(bufferStart)->updateItemData();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   702
void HgWidgetPrivate::updateCurrentItem(const QModelIndex &currentItem)
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   703
{
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   704
    Q_UNUSED(currentItem);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   705
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   706
    // By default do nothing
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   707
}
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   708
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
bool HgWidgetPrivate::getItemOutline(const QModelIndex& index, QPolygonF& points)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
    return mContainer->getItemPoints(index.row(), points);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
void HgWidgetPrivate::aboutToChangeOrientation()
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
void HgWidgetPrivate::orientationChanged(Qt::Orientation orientation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
    Q_Q(HgWidget);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
    if (mContainer->orientation() != orientation) {
2
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   723
        mContainer->setOrientation(orientation, q->isVisible());
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   724
        if (!mStaticScrollDirection) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   725
            createScrollBar(orientation);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   726
        }
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
        adjustGeometry();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
void HgWidgetPrivate::_q_groovePressed(qreal value, Qt::Orientation orientation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
    Q_UNUSED(value);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
    Q_UNUSED(orientation);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   737
void HgWidgetPrivate::_q_updateCurrentItem(const QModelIndex &current, const QModelIndex &previous)
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   738
{
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   739
    Q_UNUSED(previous);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   740
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   741
    updateCurrentItem(current);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   742
}
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   743
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
Qt::Orientation HgWidgetPrivate::scrollDirection() const
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
    return mContainer->orientation();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
void HgWidgetPrivate::createScrollBar(Qt::Orientation orientation)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
    Q_Q(HgWidget);
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   752
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
    delete mScrollBar;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
    mScrollBar = 0;
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
    mScrollBar = new HbScrollBar(orientation,q);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
    if (orientation == Qt::Vertical) {
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
        HbStyle::setItemName(mScrollBar, "scrollbar-vertical");
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
    else {
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   760
        HbStyle::setItemName(mScrollBar, "scrollbar-horizontal");
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
    }
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
    mScrollBar->setZValue(q->zValue() + 1);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
    QObject::connect(mScrollBar, SIGNAL(valueChanged(qreal, Qt::Orientation)),
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
                     q, SLOT(_q_thumbPositionChanged(qreal, Qt::Orientation)));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
    QObject::connect(mScrollBar, SIGNAL(valueChangeRequested(qreal, Qt::Orientation)),
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
                     q, SLOT(_q_groovePressed(qreal, Qt::Orientation)));
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
    mScrollBar->setVisible(false);
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
QList<QModelIndex> HgWidgetPrivate::getVisibleItemIndices() const
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
{
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
    return mContainer->getVisibleItemIndices();
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
void HgWidgetPrivate::setIndexFeedbackPolicy( HgWidget::IndexFeedbackPolicy policy)
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
{
5
4fa04caf0f43 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 3
diff changeset
   778
    Q_UNUSED(policy)
2
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   779
//    mIndexFeedback->setIndexFeedbackPolicy(policy);
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
HgWidget::IndexFeedbackPolicy HgWidgetPrivate::indexFeedbackPolicy() const
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
{
2
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   784
//    return mIndexFeedback->indexFeedbackPolicy();
49c70dcc3f17 Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 1
diff changeset
   785
    return HgWidget::IndexFeedbackNone;
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
}
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   788
void HgWidgetPrivate::setDefaultImage(QImage defaultImage)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   789
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   790
    mContainer->setDefaultImage(defaultImage);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   791
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   792
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   793
void HgWidgetPrivate::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   794
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   795
    FUNC_LOG;
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   796
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   797
    // TODO,take columns into count
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   798
    for( int i = topLeft.row(); i <= bottomRight.row(); i++ ){
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   799
        // if data for item outside our current buffer has changed
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   800
        // we just have to ignore it since we dont have resources
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   801
        // to handle it(or we dont want to waste resources).
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   802
        if (mBufferManager->positionInsideBuffer(i)) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   803
            HgWidgetItem* item = mContainer->itemByIndex( i );
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   804
            if (item) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   805
                item->updateItemData();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   806
            }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   807
        }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   808
    }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   809
    mContainer->itemDataChanged(topLeft, bottomRight);
3
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   810
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   811
    if (mContainer->selectionModel()) {
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   812
        QModelIndex currentIndex = mContainer->selectionModel()->currentIndex();
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   813
        if (currentIndex.isValid() &&
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   814
            currentIndex.row() >= topLeft.row() &&
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   815
            currentIndex.row() <= bottomRight.row()) {
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   816
            updateCurrentItem(currentIndex);
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   817
        }
c863538fcbb6 Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 2
diff changeset
   818
    }
1
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   819
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   820
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   821
void HgWidgetPrivate::setItemSizePolicy(HgWidget::ItemSizePolicy policy)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   822
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   823
    mContainer->setItemSizePolicy(policy);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   824
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   825
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   826
HgWidget::ItemSizePolicy HgWidgetPrivate::itemSizePolicy() const
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   827
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   828
    return mContainer->itemSizePolicy();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   829
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   830
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   831
void HgWidgetPrivate::setItemSize(const QSizeF& size)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   832
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   833
    mContainer->setItemSize(size);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   834
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   835
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   836
QSizeF HgWidgetPrivate::itemSize() const
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   837
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   838
    return mContainer->itemSize();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   839
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   840
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   841
void HgWidgetPrivate::setItemSpacing(const QSizeF& spacing)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   842
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   843
    mContainer->setItemSpacing(spacing);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   844
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   845
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   846
QSizeF HgWidgetPrivate::itemSpacing() const
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   847
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   848
    return mContainer->itemSpacing();
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   849
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   850
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   851
void HgWidgetPrivate::initBufferManager(int itemCount)
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   852
{
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   853
    Q_Q(HgWidget);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   854
    if (mBufferManager) {
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   855
        q->disconnect( mBufferManager, SIGNAL(releaseItems(int,int)), q, SLOT(_q_releaseItems(int,int)));
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   856
        q->disconnect( mBufferManager, SIGNAL(requestItems(int,int)), q, SLOT(_q_requestItems(int,int)));
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   857
        delete mBufferManager;
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   858
        mBufferManager = 0;
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   859
    }
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   860
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   861
    mBufferManager = new HgScrollBufferManager(mBufferSize,qMax(mContainer->rowCount()*2,3),0,itemCount);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   862
    q->connect( mBufferManager, SIGNAL(releaseItems(int,int)), q, SLOT(_q_releaseItems(int,int)));
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   863
    q->connect( mBufferManager, SIGNAL(requestItems(int,int)), q, SLOT(_q_requestItems(int,int)));
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   864
    mBufferManager->resetBuffer(0, itemCount);
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   865
}
e48454f237ca Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   866
0
89c329efa980 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   867
#include "moc_hgwidgets.cpp"