Qt 6.x
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Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
QListModeViewBase Class Reference

#include <qlistview_p.h>

+ Inheritance diagram for QListModeViewBase:
+ Collaboration diagram for QListModeViewBase:

Public Member Functions

 QListModeViewBase (QListView *q, QListViewPrivate *d)
 
int itemIndex (const QListViewItem &item) const override
 
QListViewItem indexToListViewItem (const QModelIndex &index) const override
 
bool doBatchedItemLayout (const QListViewLayoutInfo &info, int max) override
 
void clear () override
 
void setRowCount (int rowCount) override
 
QList< QModelIndex > intersectingSet (const QRect &area) const override
 
void dataChanged (const QModelIndex &, const QModelIndex &) override
 
int horizontalScrollToValue (int index, QListView::ScrollHint hint, bool leftOf, bool rightOf, const QRect &area, const QRect &rect) const override
 
int verticalScrollToValue (int index, QListView::ScrollHint hint, bool above, bool below, const QRect &area, const QRect &rect) const override
 
void scrollContentsBy (int dx, int dy, bool scrollElasticBand) override
 
QRect mapToViewport (const QRect &rect) const override
 
int horizontalOffset () const override
 
int verticalOffset () const override
 
void updateHorizontalScrollBar (const QSize &step) override
 
void updateVerticalScrollBar (const QSize &step) override
 
- Public Member Functions inherited from QCommonListViewBase
 QCommonListViewBase (QListView *q, QListViewPrivate *d)
 
virtual ~QCommonListViewBase ()
 
virtual int itemIndex (const QListViewItem &item) const =0
 
virtual QListViewItem indexToListViewItem (const QModelIndex &index) const =0
 
virtual bool doBatchedItemLayout (const QListViewLayoutInfo &info, int max)=0
 
virtual void clear ()=0
 
virtual void setRowCount (int)=0
 
virtual QList< QModelIndex > intersectingSet (const QRect &area) const =0
 
virtual void dataChanged (const QModelIndex &, const QModelIndex &)=0
 
virtual int horizontalScrollToValue (int index, QListView::ScrollHint hint, bool leftOf, bool rightOf, const QRect &area, const QRect &rect) const
 
virtual int verticalScrollToValue (int index, QListView::ScrollHint hint, bool above, bool below, const QRect &area, const QRect &rect) const
 
virtual void scrollContentsBy (int dx, int dy, bool scrollElasticBand)
 
virtual QRect mapToViewport (const QRect &rect) const
 
virtual int horizontalOffset () const
 
virtual int verticalOffset () const
 
virtual void updateHorizontalScrollBar (const QSize &step)
 
virtual void updateVerticalScrollBar (const QSize &step)
 
virtual void appendHiddenRow (int row)
 
virtual void removeHiddenRow (int row)
 
virtual void setPositionForIndex (const QPoint &, const QModelIndex &)
 
int spacing () const
 
bool isWrapping () const
 
QSize gridSize () const
 
QListView::Flow flow () const
 
QListView::Movement movement () const
 
QPoint offset () const
 
QPoint pressedPosition () const
 
bool uniformItemSizes () const
 
int column () const
 
QScrollBar * verticalScrollBar () const
 
QScrollBar * horizontalScrollBar () const
 
QListView::ScrollMode verticalScrollMode () const
 
QListView::ScrollMode horizontalScrollMode () const
 
QModelIndex modelIndex (int row) const
 
int rowCount () const
 
void initViewItemOption (QStyleOptionViewItem *option) const
 
QWidget * viewport () const
 
QRect clipRect () const
 
QSize cachedItemSize () const
 
QRect viewItemRect (const QListViewItem &item) const
 
QSize itemSize (const QStyleOptionViewItem &opt, const QModelIndex &idx) const
 
QAbstractItemDelegate * delegate (const QModelIndex &idx) const
 
bool isHidden (int row) const
 
int hiddenCount () const
 
bool isRightToLeft () const
 

Static Public Member Functions

static QSize viewportSize (const QAbstractItemView *v)
 

Public Attributes

QList< int > flowPositions
 
QList< int > segmentPositions
 
QList< int > segmentStartRows
 
QList< int > segmentExtents
 
QList< int > scrollValueMap
 
int batchSavedPosition
 
- Public Attributes inherited from QCommonListViewBase
QListViewPrivate * dd
 
QListView * qq
 
QSize contentsSize
 
int batchStartRow
 
int batchSavedDeltaSeg
 

Detailed Description

Definition at line 161 of file qlistview_p.h.

Constructor & Destructor Documentation

◆ QListModeViewBase()

QListModeViewBase::QListModeViewBase ( QListView *  q,
QListViewPrivate *  d 
)

Definition at line 2114 of file qlistview.cpp.

References Qt::CopyAction, and QCommonListViewBase::dd.

Member Function Documentation

◆ clear()

void QListModeViewBase::clear ( )
overridevirtual

Implements QCommonListViewBase.

Definition at line 2840 of file qlistview.cpp.

References QCommonListViewBase::batchSavedDeltaSeg, batchSavedPosition, QCommonListViewBase::batchStartRow, QList< T >::clear(), flowPositions, segmentExtents, segmentPositions, and segmentStartRows.

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◆ dataChanged()

void QListModeViewBase::dataChanged ( const QModelIndex &  ,
const QModelIndex &   
)
overridevirtual

Implements QCommonListViewBase.

Definition at line 2710 of file qlistview.cpp.

References QCommonListViewBase::dd, and QAbstractItemViewPrivate::doDelayedItemsLayout().

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◆ doBatchedItemLayout()

bool QListModeViewBase::doBatchedItemLayout ( const QListViewLayoutInfo &  info,
int  max 
)
overridevirtual

Implements QCommonListViewBase.

Definition at line 2459 of file qlistview.cpp.

References QCommonListViewBase::batchStartRow, and info.

◆ horizontalOffset()

int QListModeViewBase::horizontalOffset ( ) const
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2351 of file qlistview.cpp.

References QList< T >::at(), currentValue, QCommonListViewBase::flow(), flowPositions, QCommonListViewBase::horizontalOffset(), QCommonListViewBase::horizontalScrollBar(), QCommonListViewBase::horizontalScrollMode(), QList< T >::isEmpty(), QCommonListViewBase::isRightToLeft(), QCommonListViewBase::isWrapping(), QListView::LeftToRight, position(), qBound(), QAbstractItemView::ScrollPerItem, scrollValueMap, segmentPositions, QList< T >::size(), and QListView::TopToBottom.

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◆ horizontalScrollToValue()

int QListModeViewBase::horizontalScrollToValue ( int  index,
QListView::ScrollHint  hint,
bool  leftOf,
bool  rightOf,
const QRect &  area,
const QRect &  rect 
) const
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2392 of file qlistview.cpp.

References area(), QList< T >::at(), QAbstractItemView::EnsureVisible, flowPositions, hint(), Qt::Horizontal, QCommonListViewBase::horizontalScrollBar(), QCommonListViewBase::horizontalScrollMode(), QCommonListViewBase::horizontalScrollToValue(), QList< T >::isEmpty(), QCommonListViewBase::isWrapping(), QAbstractItemView::PositionAtBottom, QAbstractItemView::PositionAtTop, qBound(), rect, QAbstractItemView::ScrollPerItem, scrollValueMap, and QList< T >::size().

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◆ indexToListViewItem()

QListViewItem QListModeViewBase::indexToListViewItem ( const QModelIndex &  index) const
overridevirtual

Implements QCommonListViewBase.

Definition at line 2465 of file qlistview.cpp.

References Qt::AlignHCenter, Qt::AlignHorizontal_Mask, Qt::AlignRight, QList< T >::at(), QCommonListViewBase::cachedItemSize(), QCommonListViewBase::contentsSize, QCommonListViewBase::dd, QCommonListViewBase::flow(), flowPositions, QCommonListViewBase::initViewItemOption(), QList< T >::isEmpty(), QSize::isValid(), QCommonListViewBase::isWrapping(), QListViewPrivate::itemAlignment, QCommonListViewBase::itemSize(), QListView::LeftToRight, pos, qMax(), qMin(), segmentPositions, segmentStartRows, QSize::setWidth(), QList< T >::size(), QCommonListViewBase::spacing(), QCommonListViewBase::uniformItemSizes(), QCommonListViewBase::viewport(), and QSize::width().

Referenced by intersectingSet().

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◆ intersectingSet()

QList< QModelIndex > QListModeViewBase::intersectingSet ( const QRect &  area) const
overridevirtual

Finds the set of items intersecting with area. In this function, itemsize is counted from topleft to the start of the next item.

Implements QCommonListViewBase.

Definition at line 2656 of file qlistview.cpp.

References area(), QList< T >::at(), QCommonListViewBase::batchStartRow, QCommonListViewBase::dd, QCommonListViewBase::flow(), flowPositions, indexToListViewItem(), QList< T >::isEmpty(), QCommonListViewBase::isHidden(), QListViewPrivate::itemAlignment, QListView::LeftToRight, QCommonListViewBase::modelIndex(), qMax(), qMin(), qWarning, ret, segmentExtents, segmentPositions, segmentStartRows, and QList< T >::size().

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◆ itemIndex()

int QListModeViewBase::itemIndex ( const QListViewItem &  item) const
inlineoverridevirtual

Implements QCommonListViewBase.

Definition at line 176 of file qlistview_p.h.

References item.

◆ mapToViewport()

QRect QListModeViewBase::mapToViewport ( const QRect &  rect) const
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2716 of file qlistview.cpp.

References QCommonListViewBase::contentsSize, QCommonListViewBase::flow(), QSize::height(), QCommonListViewBase::isWrapping(), qMax(), rect, QCommonListViewBase::spacing(), QListView::TopToBottom, QCommonListViewBase::viewport(), and QSize::width().

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◆ scrollContentsBy()

void QListModeViewBase::scrollContentsBy ( int  dx,
int  dy,
bool  scrollElasticBand 
)
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2413 of file qlistview.cpp.

References QList< T >::at(), currentValue, QCommonListViewBase::flow(), flowPositions, QCommonListViewBase::horizontalScrollBar(), QCommonListViewBase::horizontalScrollMode(), QList< T >::isEmpty(), QCommonListViewBase::isWrapping(), QListView::LeftToRight, qBound(), QCommonListViewBase::scrollContentsBy(), QAbstractItemView::ScrollPerItem, scrollValueMap, segmentPositions, QList< T >::size(), QCommonListViewBase::spacing(), QListView::TopToBottom, QAbstractSlider::value, QCommonListViewBase::verticalScrollBar(), and QCommonListViewBase::verticalScrollMode().

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◆ setRowCount()

void QListModeViewBase::setRowCount ( int  rowCount)
inlineoverridevirtual

Implements QCommonListViewBase.

Definition at line 180 of file qlistview_p.h.

References flowPositions, QList< T >::resize(), and QCommonListViewBase::rowCount().

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◆ updateHorizontalScrollBar()

void QListModeViewBase::updateHorizontalScrollBar ( const QSize &  step)
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2304 of file qlistview.cpp.

References QCommonListViewBase::contentsSize, QCommonListViewBase::flow(), QCommonListViewBase::horizontalScrollBar(), QCommonListViewBase::horizontalScrollMode(), QCommonListViewBase::isWrapping(), QListView::LeftToRight, QAbstractItemView::ScrollPerItem, scrollValueMap, segmentPositions, QAbstractSlider::setPageStep(), QAbstractSlider::setRange(), QAbstractSlider::setSingleStep(), QListView::TopToBottom, QCommonListViewBase::updateHorizontalScrollBar(), QCommonListViewBase::viewport(), and QSize::width().

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◆ updateVerticalScrollBar()

void QListModeViewBase::updateVerticalScrollBar ( const QSize &  step)
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2283 of file qlistview.cpp.

References QCommonListViewBase::contentsSize, QCommonListViewBase::flow(), QSize::height(), QCommonListViewBase::isWrapping(), QListView::LeftToRight, QAbstractItemView::ScrollPerItem, scrollValueMap, segmentPositions, QAbstractSlider::setPageStep(), QAbstractSlider::setRange(), QAbstractSlider::setSingleStep(), QListView::TopToBottom, QCommonListViewBase::updateVerticalScrollBar(), QCommonListViewBase::verticalScrollBar(), QCommonListViewBase::verticalScrollMode(), and QCommonListViewBase::viewport().

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◆ verticalOffset()

int QListModeViewBase::verticalOffset ( ) const
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2372 of file qlistview.cpp.

References QList< T >::at(), QCommonListViewBase::flow(), flowPositions, QList< T >::isEmpty(), QCommonListViewBase::isWrapping(), QListView::LeftToRight, QAbstractItemView::ScrollPerItem, scrollValueMap, segmentPositions, QList< T >::size(), QCommonListViewBase::spacing(), QListView::TopToBottom, QAbstractSlider::value, QCommonListViewBase::verticalOffset(), QCommonListViewBase::verticalScrollBar(), and QCommonListViewBase::verticalScrollMode().

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◆ verticalScrollToValue()

int QListModeViewBase::verticalScrollToValue ( int  index,
QListView::ScrollHint  hint,
bool  above,
bool  below,
const QRect &  area,
const QRect &  rect 
) const
overridevirtual

Reimplemented from QCommonListViewBase.

Definition at line 2323 of file qlistview.cpp.

References area(), QList< T >::at(), QCommonListViewBase::dd, QAbstractItemView::EnsureVisible, flowPositions, QListViewPrivate::hiddenRows, hint(), QList< T >::isEmpty(), QCommonListViewBase::isWrapping(), QAbstractItemView::PositionAtBottom, QAbstractItemView::PositionAtTop, qBound(), rect, QModelIndex::row(), QAbstractItemView::ScrollPerItem, scrollValueMap, QList< T >::size(), QAbstractSlider::value, Qt::Vertical, QCommonListViewBase::verticalScrollBar(), QCommonListViewBase::verticalScrollMode(), and QCommonListViewBase::verticalScrollToValue().

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◆ viewportSize()

QSize QListModeViewBase::viewportSize ( const QAbstractItemView *  v)
inlinestatic

Definition at line 1996 of file qlistview.cpp.

Referenced by QCommonListViewBase::updateHorizontalScrollBar(), and QCommonListViewBase::updateVerticalScrollBar().

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Member Data Documentation

◆ batchSavedPosition

int QListModeViewBase::batchSavedPosition

Definition at line 173 of file qlistview_p.h.

Referenced by clear().

◆ flowPositions

QList<int> QListModeViewBase::flowPositions

Definition at line 166 of file qlistview_p.h.

Referenced by clear(), horizontalOffset(), horizontalScrollToValue(), indexToListViewItem(), intersectingSet(), scrollContentsBy(), setRowCount(), verticalOffset(), and verticalScrollToValue().

◆ scrollValueMap

QList<int> QListModeViewBase::scrollValueMap

Definition at line 170 of file qlistview_p.h.

Referenced by horizontalOffset(), horizontalScrollToValue(), scrollContentsBy(), updateHorizontalScrollBar(), updateVerticalScrollBar(), verticalOffset(), and verticalScrollToValue().

◆ segmentExtents

QList<int> QListModeViewBase::segmentExtents

Definition at line 169 of file qlistview_p.h.

Referenced by clear(), and intersectingSet().

◆ segmentPositions

QList<int> QListModeViewBase::segmentPositions

Definition at line 167 of file qlistview_p.h.

Referenced by clear(), horizontalOffset(), indexToListViewItem(), intersectingSet(), scrollContentsBy(), updateHorizontalScrollBar(), updateVerticalScrollBar(), and verticalOffset().

◆ segmentStartRows

QList<int> QListModeViewBase::segmentStartRows

Definition at line 168 of file qlistview_p.h.

Referenced by clear(), indexToListViewItem(), and intersectingSet().

The documentation for this class was generated from the following files: