QtViewportInteractionEngine::QtViewportInteractionEngine(QQuickWebView* viewport, QQuickWebPage* content)
: m_viewport(viewport)
, m_content(content)
, m_suspendCount(0)
, m_hasSuspendedContent(false)
, m_hadUserInteraction(false)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
{
reset();
connect(m_content, SIGNAL(widthChanged()), SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_content, SIGNAL(heightChanged()), SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_viewport, SIGNAL(movementStarted()), SLOT(flickableMoveStarted()), Qt::DirectConnection);
connect(m_viewport, SIGNAL(movementEnded()), SLOT(flickableMoveEnded()), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(valueChanged(QVariant)),
SLOT(scaleAnimationValueChanged(QVariant)), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)), Qt::DirectConnection);
}
void DataSetView::calculateCellSizes()
{
_cellSizes.clear();
_dataColsMaxWidth.clear();
for(auto col : _cellTextItems)
{
for(auto row : col.second)
storeTextItem(row.first, col.first, false);
col.second.clear();
}
_cellSizes.resize(_model->columnCount());
_colXPositions.resize(_model->columnCount());
_cellTextItems.clear();
for(int col=0; col<_model->columnCount(); col++)
{
QString text = _model->headerData(col, Qt::Orientation::Horizontal, _roleNameToRole["maxColString"]).toString();
QSizeF calcedSize = _metricsFont.size(Qt::TextSingleLine, text);
_cellSizes[col] = calcedSize;
}
_dataColsMaxWidth.resize(_model->columnCount());
for(int col=0; col<_model->columnCount(); col++)
_dataColsMaxWidth[col] = _cellSizes[col].width() + _itemHorizontalPadding * 2;
_dataRowsMaxHeight = _model->columnCount() == 0 ? 0 : _cellSizes[0].height() + _itemVerticalPadding * 2;
float w=_rowNumberMaxWidth;
for(int col=0; col<_model->columnCount(); col++)
w += _dataColsMaxWidth[col];
float x = _rowNumberMaxWidth;
for(int col=0; col<_model->columnCount(); col++)
{
_colXPositions[col] = x;
x += _dataColsMaxWidth[col];
}
setWidth(w);
setHeight( _dataRowsMaxHeight * _model->rowCount());
_recalculateCellSizes = false;
emit itemSizeChanged();
}
QtViewportInteractionEngine::QtViewportInteractionEngine(const QQuickWebView* viewport, QQuickWebPage* content)
: m_viewport(viewport)
, m_content(content)
, m_suspendCount(0)
, m_scaleAnimation(new ScaleAnimation(this))
, m_pinchStartScale(-1)
{
reset();
QScrollerProperties properties = scroller()->scrollerProperties();
// The QtPanGestureRecognizer is responsible for recognizing the gesture
// thus we need to disable the drag start distance.
properties.setScrollMetric(QScrollerProperties::DragStartDistance, 0.0);
// Set some default QScroller constrains to mimic the physics engine of the N9 browser.
properties.setScrollMetric(QScrollerProperties::AxisLockThreshold, 0.66);
properties.setScrollMetric(QScrollerProperties::ScrollingCurve, QEasingCurve(QEasingCurve::OutExpo));
properties.setScrollMetric(QScrollerProperties::DecelerationFactor, 0.05);
properties.setScrollMetric(QScrollerProperties::MaximumVelocity, 0.635);
properties.setScrollMetric(QScrollerProperties::OvershootDragResistanceFactor, 0.33);
properties.setScrollMetric(QScrollerProperties::OvershootScrollDistanceFactor, 0.33);
scroller()->setScrollerProperties(properties);
connect(m_content, SIGNAL(widthChanged()), this, SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_content, SIGNAL(heightChanged()), this, SLOT(itemSizeChanged()), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(valueChanged(QVariant)),
SLOT(scaleAnimationValueChanged(QVariant)), Qt::DirectConnection);
connect(m_scaleAnimation, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)),
SLOT(scaleAnimationStateChanged(QAbstractAnimation::State, QAbstractAnimation::State)), Qt::DirectConnection);
connect(scroller(), SIGNAL(stateChanged(QScroller::State)),
SLOT(scrollStateChanged(QScroller::State)), Qt::DirectConnection);
}
void KasBar::setItemExtent( int size )
{
if ( size == itemExtent_ )
return;
itemExtent_ = size;
if ( size < MEDIUM_EXTENT )
itemSize_ = Small;
else if ( size < LARGE_EXTENT )
itemSize_ = Medium;
else if ( size < HUGE_EXTENT )
itemSize_ = Large;
else if ( size < ENORMOUS_EXTENT )
itemSize_ = Huge;
else
itemSize_ = Enormous;
emit itemSizeChanged( itemSize_ );
emit configChanged();
updateLayout();
}
