QTreeViewPrivate Class Reference

#include <qtreeview_p.h>

Inheritance diagram for QTreeViewPrivate:

Collaboration diagram for QTreeViewPrivate:

Public Types
enum	RectRule { FullRow , SingleSection , AddRowIndicatorToFirstSection }

Public Member Functions
	QTreeViewPrivate ()
	~QTreeViewPrivate ()
void	initialize ()
void	clearConnections ()
int	logicalIndexForTree () const
bool	isTreePosition (int logicalIndex) const
QItemViewPaintPairs	draggablePaintPairs (const QModelIndexList &indexes, QRect *r) const override
	\reimp
void	adjustViewOptionsForIndex (QStyleOptionViewItem *option, const QModelIndex &current) const override
void	expand (int item, bool emitSignal)
void	collapse (int item, bool emitSignal)
void	columnsAboutToBeRemoved (const QModelIndex &, int, int) override
void	columnsRemoved (const QModelIndex &, int, int) override
void	modelAboutToBeReset ()
void	sortIndicatorChanged (int column, Qt::SortOrder order)
void	modelDestroyed () override
QRect	intersectedRect (const QRect rect, const QModelIndex &topLeft, const QModelIndex &bottomRight) const override
void	layout (int item, bool recusiveExpanding=false, bool afterIsUninitialized=false)
int	pageUp (int item) const
int	pageDown (int item) const
int	itemForKeyHome () const
int	itemForKeyEnd () const
int	itemHeight (int item) const
int	indentationForItem (int item) const
int	coordinateForItem (int item) const
int	itemAtCoordinate (int coordinate) const
int	viewIndex (const QModelIndex &index) const
QModelIndex	modelIndex (int i, int column=0) const
void	insertViewItems (int pos, int count, const QTreeViewItem &viewItem)
void	removeViewItems (int pos, int count)
int	firstVisibleItem (int *offset=nullptr) const
int	lastVisibleItem (int firstVisual=-1, int offset=-1) const
int	columnAt (int x) const
bool	hasVisibleChildren (const QModelIndex &parent) const
bool	expandOrCollapseItemAtPos (const QPoint &pos)
void	updateScrollBars ()
int	itemDecorationAt (const QPoint &pos) const
QRect	itemDecorationRect (const QModelIndex &index) const
QList< QPair< int, int > >	columnRanges (const QModelIndex &topIndex, const QModelIndex &bottomIndex) const
void	select (const QModelIndex &start, const QModelIndex &stop, QItemSelectionModel::SelectionFlags command)
QPair< int, int >	startAndEndColumns (const QRect &rect) const
void	updateChildCount (const int parentItem, const int delta)
void	paintAlternatingRowColors (QPainter *painter, QStyleOptionViewItem *option, int y, int bottom) const
void	calcLogicalIndices (QList< int > *logicalIndices, QList< QStyleOptionViewItem::ViewItemPosition > *itemPositions, int left, int right) const
int	widthHintForIndex (const QModelIndex &index, int hint, const QStyleOptionViewItem &option, int i) const
QRect	visualRect (const QModelIndex &index) const override
QRect	visualRect (const QModelIndex &index, RectRule rule) const
bool	storeExpanded (const QPersistentModelIndex &idx)
bool	isIndexExpanded (const QModelIndex &idx) const
bool	isRowHidden (const QModelIndex &idx) const
bool	isItemHiddenOrDisabled (int i) const
int	above (int item) const
int	below (int item) const
void	invalidateHeightCache (int item) const
int	accessibleTable2Index (const QModelIndex &index) const
int	accessibleTree2Index (const QModelIndex &index) const
void	updateIndentationFromStyle ()
void	updateAccessibility ()
Public Member Functions inherited from QAbstractItemViewPrivate
	QAbstractItemViewPrivate ()
virtual	~QAbstractItemViewPrivate ()
void	init ()
virtual void	rowsRemoved (const QModelIndex &parent, int start, int end)
virtual void	rowsInserted (const QModelIndex &parent, int start, int end)
virtual void	columnsInserted (const QModelIndex &parent, int start, int end)
virtual void	layoutChanged ()
virtual void	rowsMoved (const QModelIndex &source, int sourceStart, int sourceEnd, const QModelIndex &destination, int destinationStart)
virtual void	columnsMoved (const QModelIndex &source, int sourceStart, int sourceEnd, const QModelIndex &destination, int destinationStart)
void	headerDataChanged ()
void	scrollerStateChanged ()
void	delegateSizeHintChanged (const QModelIndex &index)
void	fetchMore ()
bool	shouldEdit (QAbstractItemView::EditTrigger trigger, const QModelIndex &index) const
bool	shouldForwardEvent (QAbstractItemView::EditTrigger trigger, const QEvent *event) const
bool	shouldAutoScroll (const QPoint &pos) const
void	doDelayedItemsLayout (int delay=0)
void	interruptDelayedItemsLayout () const
void	updateGeometry ()
void	startAutoScroll ()
void	stopAutoScroll ()
bool	droppingOnItself (QDropEvent *event, const QModelIndex &index)
QWidget *	editor (const QModelIndex &index, const QStyleOptionViewItem &options)
bool	sendDelegateEvent (const QModelIndex &index, QEvent *event) const
bool	openEditor (const QModelIndex &index, QEvent *event)
void	updateEditorData (const QModelIndex &topLeft, const QModelIndex &bottomRight)
void	selectAllInEditor (QWidget *w)
QItemSelectionModel::SelectionFlags	multiSelectionCommand (const QModelIndex &index, const QEvent *event) const
QItemSelectionModel::SelectionFlags	extendedSelectionCommand (const QModelIndex &index, const QEvent *event) const
QItemSelectionModel::SelectionFlags	contiguousSelectionCommand (const QModelIndex &index, const QEvent *event) const
virtual void	selectAll (QItemSelectionModel::SelectionFlags command)
void	setHoverIndex (const QPersistentModelIndex &index)
void	checkMouseMove (const QPersistentModelIndex &index)
void	checkMouseMove (const QPoint &pos)
QItemSelectionModel::SelectionFlags	selectionBehaviorFlags () const
void	releaseEditor (QWidget *editor, const QModelIndex &index=QModelIndex()) const
void	executePostedLayout () const
void	setDirtyRegion (const QRegion &visualRegion)
void	scrollDirtyRegion (int dx, int dy)
void	scrollContentsBy (int dx, int dy)
void	updateDirtyRegion ()
void	clearOrRemove ()
void	checkPersistentEditorFocus ()
QPixmap	renderToPixmap (const QModelIndexList &indexes, QRect *r) const
QPoint	offset () const
const QEditorInfo &	editorForIndex (const QModelIndex &index) const
bool	hasEditor (const QModelIndex &index) const
QModelIndex	indexForEditor (QWidget *editor) const
void	addEditor (const QModelIndex &index, QWidget *editor, bool isStatic)
void	removeEditor (QWidget *editor)
bool	isAnimating () const
bool	isIndexValid (const QModelIndex &index) const
bool	isIndexSelectable (const QModelIndex &index) const
bool	isIndexEnabled (const QModelIndex &index) const
virtual bool	selectionAllowed (const QModelIndex &index) const
QPoint	contentsOffset () const override
int	delegateRefCount (const QAbstractItemDelegate *delegate) const
bool	isPersistent (const QModelIndex &index) const
void	doDelayedReset ()

Public Attributes
QHeaderView *	header
int	indent
QList< QTreeViewItem >	viewItems
int	lastViewedItem
int	defaultItemHeight
bool	uniformRowHeights
bool	rootDecoration
bool	itemsExpandable
bool	sortingEnabled
bool	expandsOnDoubleClick
bool	allColumnsShowFocus
bool	customIndent
QPair< int, int >	leftAndRight
int	current
bool	spanning
QSet< QPersistentModelIndex >	expandedIndexes
bool	animationsEnabled
QSet< QPersistentModelIndex >	hiddenIndexes
QSet< QPersistentModelIndex >	spanningIndexes
int	columnResizeTimerID
QList< int >	columnsToUpdate
int	autoExpandDelay
QBasicTimer	openTimer
int	hoverBranch
bool	geometryRecursionBlock
bool	hasRemovedItems
int	treePosition
QMetaObject::Connection	animationConnection
QMetaObject::Connection	selectionmodelConnection
std::array< QMetaObject::Connection, 2 >	modelConnections
std::array< QMetaObject::Connection, 5 >	headerConnections
QMetaObject::Connection	sortHeaderConnection
Public Attributes inherited from QAbstractItemViewPrivate
QAbstractItemModel *	model
QPointer< QAbstractItemDelegate >	itemDelegate
QMap< int, QPointer< QAbstractItemDelegate > >	rowDelegates
QMap< int, QPointer< QAbstractItemDelegate > >	columnDelegates
QPointer< QItemSelectionModel >	selectionModel
QItemSelectionModel::SelectionFlag	ctrlDragSelectionFlag
bool	noSelectionOnMousePress
QAbstractItemView::SelectionMode	selectionMode
QAbstractItemView::SelectionBehavior	selectionBehavior
QEditorIndexHash	editorIndexHash
QIndexEditorHash	indexEditorHash
QSet< QWidget * >	persistent
QWidget *	currentlyCommittingEditor
QBasicTimer	pressClosedEditorWatcher
QPersistentModelIndex	lastEditedIndex
bool	pressClosedEditor
bool	waitForIMCommit
QPersistentModelIndex	enteredIndex
QPersistentModelIndex	pressedIndex
QPersistentModelIndex	currentSelectionStartIndex
Qt::KeyboardModifiers	pressedModifiers
QPoint	pressedPosition
QPoint	draggedPosition
bool	pressedAlreadySelected
bool	releaseFromDoubleClick
bool	viewportEnteredNeeded
QAbstractItemView::State	state
QAbstractItemView::State	stateBeforeAnimation
QAbstractItemView::EditTriggers	editTriggers
QAbstractItemView::EditTrigger	lastTrigger
QPersistentModelIndex	root
QPersistentModelIndex	hover
bool	tabKeyNavigation
QString	keyboardInput
QElapsedTimer	keyboardInputTime
bool	autoScroll
QBasicTimer	autoScrollTimer
int	autoScrollMargin
int	autoScrollCount
bool	shouldScrollToCurrentOnShow
bool	shouldClearStatusTip
bool	alternatingColors
QSize	iconSize
Qt::TextElideMode	textElideMode
QRegion	updateRegion
QPoint	scrollDelayOffset
QBasicTimer	updateTimer
QBasicTimer	delayedEditing
QBasicTimer	delayedAutoScroll
QBasicTimer	delayedReset
QAbstractItemView::ScrollMode	verticalScrollMode
QAbstractItemView::ScrollMode	horizontalScrollMode
QItemSelection	oldSelection
QModelIndex	oldCurrent
bool	currentIndexSet
bool	wrapItemText
bool	delayedPendingLayout
bool	moveCursorUpdatedView
bool	verticalScrollModeSet
bool	horizontalScrollModeSet
std::array< QMetaObject::Connection, 14 >	modelConnections
std::array< QMetaObject::Connection, 4 >	scrollbarConnections

Detailed Description

Definition at line 49 of file qtreeview_p.h.

Member Enumeration Documentation

RectRule

enum QTreeViewPrivate::RectRule

Enumerator
FullRow
SingleSection
AddRowIndicatorToFirstSection

Definition at line 157 of file qtreeview_p.h.

Constructor & Destructor Documentation

QTreeViewPrivate()

QTreeViewPrivate::QTreeViewPrivate ( )

inline

Definition at line 54 of file qtreeview_p.h.

~QTreeViewPrivate()

QTreeViewPrivate::~QTreeViewPrivate ( )

inline

Definition at line 65 of file qtreeview_p.h.

Member Function Documentation

above()

int QTreeViewPrivate::above ( int item ) const

inline

Definition at line 223 of file qtreeview_p.h.

References i, and item.

accessibleTable2Index()

int QTreeViewPrivate::accessibleTable2Index ( const QModelIndex & index ) const

inline

Definition at line 230 of file qtreeview_p.h.

References QSqlQueryModel::columnCount(), header(), and model.

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accessibleTree2Index()

int QTreeViewPrivate::accessibleTree2Index

(

const QModelIndex &

index

)

const

Definition at line 4044 of file qtreeview.cpp.

adjustViewOptionsForIndex()

void QTreeViewPrivate::adjustViewOptionsForIndex ( QStyleOptionViewItem * option, const QModelIndex & current ) const

overridevirtual

Reimplemented from QAbstractItemViewPrivate.

Definition at line 1446 of file qtreeview.cpp.

References QList< T >::at(), calcLogicalIndices(), QHeaderView::count(), current, QTreeViewItem::expanded, QTreeViewItem::hasChildren, QTreeViewItem::hasMoreSiblings, header, QAbstractItemViewPrivate::selectionBehavior, QAbstractItemView::SelectRows, QTreeViewItem::spanning, spanning, QStyle::State_Children, QStyle::State_None, QStyle::State_Open, QStyle::State_Sibling, viewIndex(), viewItems, and QHeaderView::visualIndex().

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below()

int QTreeViewPrivate::below ( int item ) const

inline

Definition at line 225 of file qtreeview_p.h.

References i, and item.

calcLogicalIndices()

void QTreeViewPrivate::calcLogicalIndices	(	QList< int > *	logicalIndices,
		QList< QStyleOptionViewItem::ViewItemPosition > *	itemPositions,
		int	left,
		int	right ) const

Definition at line 1560 of file qtreeview.cpp.

References QHeaderView::count(), header, QHeaderView::isSectionHidden(), isTreePosition(), QHeaderView::logicalIndex(), pos, and spanning.

Referenced by adjustViewOptionsForIndex().

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clearConnections()

void QTreeViewPrivate::clearConnections

(

)

Definition at line 3103 of file qtreeview.cpp.

References animationConnection, connection, QObject::disconnect(), headerConnections, modelConnections, selectionmodelConnection, and sortHeaderConnection.

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collapse()

void QTreeViewPrivate::collapse	(	int	item,
		bool	emitSignal )

Definition at line 3184 of file qtreeview.cpp.

References QAbstractItemView::AnimatingState, animationsEnabled, QList< T >::at(), QAbstractAnimation::Backward, QAbstractItemView::CollapsingState, QAbstractItemViewPrivate::delayedAutoScroll, emit, QSet< T >::end(), QSet< T >::erase(), QTreeViewItem::expanded, expandedIndexes, QSet< T >::find(), QTreeViewItem::index, QSet< T >::isEmpty(), QAbstractItemViewPrivate::isPersistent(), it, item, modelIndex(), removeViewItems(), QAbstractItemViewPrivate::state, QAbstractItemViewPrivate::stateBeforeAnimation, QBasicTimer::stop(), QTreeViewItem::total, and viewItems.

Referenced by expandOrCollapseItemAtPos().

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columnAt()

int QTreeViewPrivate::columnAt

(

int

x

)

const

Definition at line 3768 of file qtreeview.cpp.

References header, and QHeaderView::logicalIndexAt().

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columnRanges()

QList< QPair< int, int > > QTreeViewPrivate::columnRanges	(	const QModelIndex &	topIndex,
		const QModelIndex &	bottomIndex ) const

Definition at line 3896 of file qtreeview.cpp.

References current, header, i, QHeaderView::isSectionHidden(), QHeaderView::logicalIndex(), qMax(), qMin(), ret, and QHeaderView::visualIndex().

Referenced by select().

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columnsAboutToBeRemoved()

void QTreeViewPrivate::columnsAboutToBeRemoved ( const QModelIndex & parent, int start, int end )

overridevirtual

This slot is called when columns are about to be removed. The deleted columns are those under the given parent from start to end inclusive.

Reimplemented from QAbstractItemViewPrivate.

Definition at line 3343 of file qtreeview.cpp.

References QList< T >::clear(), QAbstractItemViewPrivate::columnsAboutToBeRemoved(), and viewItems.

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columnsRemoved()

void QTreeViewPrivate::columnsRemoved ( const QModelIndex & index, int start, int end )

overridevirtual

This slot is called when columns have been removed. The deleted rows are those under the given parent from start to end inclusive.

Reimplemented from QAbstractItemViewPrivate.

Definition at line 3350 of file qtreeview.cpp.

References QAbstractItemViewPrivate::columnsRemoved(), and QAbstractItemViewPrivate::doDelayedItemsLayout().

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coordinateForItem()

int QTreeViewPrivate::coordinateForItem

(

int

item

)

const

Returns the viewport y coordinate for item.

Definition at line 3566 of file qtreeview.cpp.

References defaultItemHeight, i, item, itemHeight(), Q_ASSERT, QAbstractItemView::ScrollPerPixel, QList< T >::size(), uniformRowHeights, QAbstractItemViewPrivate::verticalScrollMode, and viewItems.

Referenced by itemDecorationRect(), pageDown(), pageUp(), and visualRect().

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draggablePaintPairs()

QItemViewPaintPairs QTreeViewPrivate::draggablePaintPairs ( const QModelIndexList & indexes, QRect * r ) const

overridevirtual

\reimp

We have a QTreeView way of knowing what elements are on the viewport

Reimplemented from QAbstractItemViewPrivate.

Definition at line 1431 of file qtreeview.cpp.

References QAbstractItemViewPrivate::draggablePaintPairs(), QSet< T >::isEmpty(), list, Q_ASSERT, and spanningIndexes.

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expand()

void QTreeViewPrivate::expand	(	int	item,
		bool	emitSignal )

Definition at line 3116 of file qtreeview.cpp.

References QAbstractItemView::AnimatingState, animationsEnabled, QList< T >::at(), QAbstractItemModel::canFetchMore(), emit, QTreeViewItem::expanded, QAbstractItemView::ExpandingState, QAbstractItemModel::fetchMore(), QAbstractAnimation::Forward, QTreeViewItem::index, item, Qt::ItemNeverHasChildren, layout, QAbstractItemViewPrivate::model, QAbstractItemViewPrivate::state, QAbstractItemViewPrivate::stateBeforeAnimation, storeExpanded(), updateAccessibility(), and viewItems.

Referenced by expandOrCollapseItemAtPos().

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expandOrCollapseItemAtPos()

bool QTreeViewPrivate::expandOrCollapseItemAtPos

(

const QPoint &

pos

)

Definition at line 1378 of file qtreeview.cpp.

References QList< T >::at(), collapse(), QAbstractItemView::EditingState, expand(), QTreeViewItem::expanded, hasVisibleChildren(), i, QTreeViewItem::index, QAbstractItemViewPrivate::isAnimating(), itemDecorationAt(), itemsExpandable, QAbstractItemView::NoState, pos, QAbstractItemViewPrivate::state, viewItems, and viewport().

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firstVisibleItem()

int QTreeViewPrivate::firstVisibleItem

(

int *

offset = nullptr

)

const

Definition at line 3721 of file qtreeview.cpp.

References defaultItemHeight, i, itemHeight(), QAbstractItemView::ScrollPerItem, QList< T >::size(), uniformRowHeights, QAbstractItemViewPrivate::verticalScrollMode, and viewItems.

Referenced by lastVisibleItem().

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hasVisibleChildren()

bool QTreeViewPrivate::hasVisibleChildren

(

const QModelIndex &

parent

)

const

Definition at line 4018 of file qtreeview.cpp.

References QModelIndex::flags(), QAbstractItemModel::hasChildren(), hiddenIndexes, i, QSet< T >::isEmpty(), Qt::ItemNeverHasChildren, QAbstractItemViewPrivate::model, and QAbstractItemModel::rowCount().

Referenced by expandOrCollapseItemAtPos(), itemDecorationRect(), and layout().

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indentationForItem()

int QTreeViewPrivate::indentationForItem

(

int

item

)

const

Definition at line 3533 of file qtreeview.cpp.

References QList< T >::at(), indent, item, QTreeViewItem::level, rootDecoration, QList< T >::size(), and viewItems.

Referenced by itemDecorationRect(), visualRect(), and widthHintForIndex().

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initialize()

void QTreeViewPrivate::initialize

(

)

Definition at line 3079 of file qtreeview.cpp.

References Qt::AlignLeft, Qt::AlignVCenter, animationConnection, animationsEnabled, QObjectPrivate::connect(), QAbstractAnimation::finished(), header, Qt::Horizontal, QAbstractItemView::ScrollPerPixel, QAbstractItemView::SelectRows, QHeaderView::setDefaultAlignment(), QHeaderView::setSectionsMovable(), QHeaderView::setStretchLastSection(), QStyle::SH_Widget_Animation_Duration, QAbstractItemView::SingleSelection, updateIndentationFromStyle(), and Qt::WA_MacShowFocusRect.

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insertViewItems()

void QTreeViewPrivate::insertViewItems	(	int	pos,
		int	count,
		const QTreeViewItem &	viewItem )

Definition at line 3151 of file qtreeview.cpp.

References QList< T >::data(), i, QList< T >::insert(), items, pos, QList< T >::size(), and viewItems.

Referenced by layout().

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intersectedRect()

QRect QTreeViewPrivate::intersectedRect ( const QRect rect, const QModelIndex & topLeft, const QModelIndex & bottomRight ) const

overridevirtual

Reimplemented from QAbstractItemViewPrivate.

Definition at line 1410 of file qtreeview.cpp.

References QModelIndex::column(), QAbstractItemViewPrivate::executePostedLayout(), QAbstractItemModel::index(), isRowHidden(), QAbstractItemViewPrivate::model, QModelIndex::parent(), rect, QModelIndex::row(), SingleSection, and visualRect().

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invalidateHeightCache()

void QTreeViewPrivate::invalidateHeightCache ( int item ) const

inline

Definition at line 227 of file qtreeview_p.h.

References item.

isIndexExpanded()

bool QTreeViewPrivate::isIndexExpanded ( const QModelIndex & idx ) const

inline

Definition at line 201 of file qtreeview_p.h.

References QModelIndex::flags(), and Qt::ItemNeverHasChildren.

Referenced by layout().

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isItemHiddenOrDisabled()

bool QTreeViewPrivate::isItemHiddenOrDisabled ( int i ) const

inline

Definition at line 216 of file qtreeview_p.h.

References i.

Referenced by itemForKeyEnd(), itemForKeyHome(), pageDown(), and pageUp().

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isRowHidden()

bool QTreeViewPrivate::isRowHidden ( const QModelIndex & idx ) const

inline

Definition at line 209 of file qtreeview_p.h.

Referenced by intersectedRect(), and layout().

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isTreePosition()

bool QTreeViewPrivate::isTreePosition ( int logicalIndex ) const

inline

Definition at line 69 of file qtreeview_p.h.

Referenced by calcLogicalIndices(), itemDecorationAt(), visualRect(), and widthHintForIndex().

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itemAtCoordinate()

int QTreeViewPrivate::itemAtCoordinate

(

int

coordinate

)

const

Returns the index of the view item at the given viewport coordinate.

See also

modelIndex()

Definition at line 3617 of file qtreeview.cpp.

References defaultItemHeight, itemHeight(), QAbstractItemView::ScrollPerPixel, QList< T >::size(), uniformRowHeights, QAbstractItemViewPrivate::verticalScrollMode, and viewItems.

Referenced by itemDecorationAt(), pageDown(), and pageUp().

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itemDecorationAt()

int QTreeViewPrivate::itemDecorationAt

(

const QPoint &

pos

)

const

Definition at line 3847 of file qtreeview.cpp.

References QAbstractItemViewPrivate::executePostedLayout(), header, QSet< T >::isEmpty(), isTreePosition(), itemAtCoordinate(), itemDecorationRect(), QHeaderView::logicalIndexAt(), modelIndex(), pos, and spanningIndexes.

Referenced by expandOrCollapseItemAtPos().

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itemDecorationRect()

QRect QTreeViewPrivate::itemDecorationRect

(

const QModelIndex &

index

)

const

Definition at line 3869 of file qtreeview.cpp.

References QList< T >::at(), coordinateForItem(), hasVisibleChildren(), header, indent, indentationForItem(), QTreeViewItem::index, QStyleOption::initFrom(), itemHeight(), logicalIndexForTree(), opt, position(), rect, QStyleOption::rect, QAbstractItemViewPrivate::root, rootDecoration, QStyle::SE_TreeViewDisclosureItem, QHeaderView::sectionSize(), QHeaderView::sectionViewportPosition(), viewIndex(), and viewItems.

Referenced by itemDecorationAt().

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itemForKeyEnd()

int QTreeViewPrivate::itemForKeyEnd

(

)

const

Definition at line 3525 of file qtreeview.cpp.

References isItemHiddenOrDisabled(), QList< T >::size(), and viewItems.

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itemForKeyHome()

int QTreeViewPrivate::itemForKeyHome

(

)

const

Definition at line 3517 of file qtreeview.cpp.

References isItemHiddenOrDisabled(), QList< T >::size(), and viewItems.

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itemHeight()

int QTreeViewPrivate::itemHeight

(

int

item

)

const

Definition at line 3543 of file qtreeview.cpp.

References QList< T >::at(), defaultItemHeight, QTreeViewItem::height, QTreeViewItem::index, QList< T >::isEmpty(), item, Q_ASSERT, qMax(), QList< T >::size(), uniformRowHeights, and viewItems.

Referenced by coordinateForItem(), firstVisibleItem(), itemAtCoordinate(), itemDecorationRect(), lastVisibleItem(), layout(), updateScrollBars(), and visualRect().

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lastVisibleItem()

int QTreeViewPrivate::lastVisibleItem	(	int	firstVisual = -1,
		int	offset = -1 ) const

Definition at line 3750 of file qtreeview.cpp.

References firstVisibleItem(), i, itemHeight(), QAbstractItemViewPrivate::offset(), QList< T >::size(), viewItems, and viewport().

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layout()

void QTreeViewPrivate::layout	(	int	i,
		bool	recursiveExpanding = false,
		bool	afterIsUninitialized = false )

creates and initialize the viewItem structure of the children of the element

set recursiveExpanding if the function has to expand all the children (called from expandAll) afterIsUninitialized is when we recurse from layout(-1), it means all the items after 'i' are not yet initialized and need not to be moved

Definition at line 3379 of file qtreeview.cpp.

References QList< T >::at(), QAbstractItemModel::canFetchMore(), current, defaultItemHeight, emit, QAbstractItemModel::fetchMore(), QAbstractItemModel::hasChildren(), hasVisibleChildren(), i, QAbstractItemModel::index(), insertViewItems(), isIndexExpanded(), isRowHidden(), QModelIndex::isValid(), item, itemHeight(), Qt::ItemNeverHasChildren, j, layout, QTreeViewItem::level, QAbstractItemViewPrivate::model, modelIndex(), QGraphicsItem::parentItem(), qScopeGuard(), removeViewItems(), QList< T >::resize(), QAbstractItemViewPrivate::root, QAbstractItemModel::rowCount(), QList< T >::size(), storeExpanded(), uniformRowHeights, viewItems, and viewport().

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logicalIndexForTree()

int QTreeViewPrivate::logicalIndexForTree

(

)

const

Definition at line 1350 of file qtreeview.cpp.

References header, QHeaderView::logicalIndex(), and treePosition.

Referenced by itemDecorationRect().

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modelAboutToBeReset()

void QTreeViewPrivate::modelAboutToBeReset

(

)

Definition at line 3338 of file qtreeview.cpp.

References QList< T >::clear(), and viewItems.

Referenced by QTreeView::setModel().

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modelDestroyed()

void QTreeViewPrivate::modelDestroyed ( )

overridevirtual

Reimplemented from QAbstractItemViewPrivate.

Definition at line 1402 of file qtreeview.cpp.

References QList< T >::clear(), QAbstractItemViewPrivate::modelDestroyed(), and viewItems.

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modelIndex()

QModelIndex QTreeViewPrivate::modelIndex	(	int	i,
		int	column = 0 ) const

Definition at line 3710 of file qtreeview.cpp.

References QList< T >::at(), i, QTreeViewItem::index, ret, QModelIndex::sibling(), QList< T >::size(), and viewItems.

Referenced by collapse(), itemDecorationAt(), layout(), and select().

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pageDown()

int QTreeViewPrivate::pageDown

(

int

item

)

const

Definition at line 3505 of file qtreeview.cpp.

References coordinateForItem(), i, isItemHiddenOrDisabled(), itemAtCoordinate(), QList< T >::size(), viewItems, and viewport().

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pageUp()

int QTreeViewPrivate::pageUp

(

int

item

)

const

Definition at line 3493 of file qtreeview.cpp.

References coordinateForItem(), i, isItemHiddenOrDisabled(), itemAtCoordinate(), QList< T >::size(), viewItems, and viewport().

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paintAlternatingRowColors()

void QTreeViewPrivate::paintAlternatingRowColors	(	QPainter *	painter,
		QStyleOptionViewItem *	option,
		int	y,
		int	bottom ) const

Definition at line 1358 of file qtreeview.cpp.

References QAbstractItemViewPrivate::alternatingColors, current, defaultItemHeight, QAbstractItemViewPrivate::itemDelegate, painter, QStyle::PE_PanelItemViewRow, QStyle::SH_ItemView_PaintAlternatingRowColorsForEmptyArea, QAbstractItemDelegate::sizeHint(), and viewport().

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removeViewItems()

void QTreeViewPrivate::removeViewItems	(	int	pos,
		int	count )

Definition at line 3160 of file qtreeview.cpp.

References QList< T >::data(), i, items, pos, QList< T >::remove(), QList< T >::size(), and viewItems.

Referenced by collapse(), and layout().

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select()

void QTreeViewPrivate::select	(	const QModelIndex &	start,
		const QModelIndex &	stop,
		QItemSelectionModel::SelectionFlags	command )

Definition at line 3943 of file qtreeview.cpp.

References QList< T >::append(), QSet< T >::begin(), columnRanges(), QSet< T >::end(), i, QAbstractItemModel::index(), QModelIndex::isValid(), it, QAbstractItemViewPrivate::model, modelIndex(), QModelIndex::parent(), qAbs(), QModelIndex::row(), selection, QModelIndex::sibling(), and viewIndex().

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sortIndicatorChanged()

void QTreeViewPrivate::sortIndicatorChanged	(	int	column,
		Qt::SortOrder	order )

Definition at line 4039 of file qtreeview.cpp.

References QAbstractItemViewPrivate::model.

Referenced by QTreeView::setSortingEnabled().

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startAndEndColumns()

QPair< int, int > QTreeViewPrivate::startAndEndColumns

(

const QRect &

rect

)

const

Definition at line 4003 of file qtreeview.cpp.

References QHeaderView::count(), header, qMakePair(), qMax(), qMin(), rect, and QHeaderView::visualIndexAt().

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storeExpanded()

bool QTreeViewPrivate::storeExpanded ( const QPersistentModelIndex & idx )

inline

Definition at line 194 of file qtreeview_p.h.

Referenced by expand(), and layout().

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updateAccessibility()

void QTreeViewPrivate::updateAccessibility

(

)

Definition at line 3357 of file qtreeview.cpp.

Referenced by expand().

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updateChildCount()

void QTreeViewPrivate::updateChildCount	(	const int	parentItem,
		const int	delta )

updateIndentationFromStyle()

void QTreeViewPrivate::updateIndentationFromStyle

(

)

Definition at line 4052 of file qtreeview.cpp.

References indent, and QStyle::PM_TreeViewIndentation.

Referenced by initialize().

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updateScrollBars()

void QTreeViewPrivate::updateScrollBars

(

)

Definition at line 3773 of file qtreeview.cpp.

References QHeaderView::count(), defaultItemHeight, QAbstractItemViewPrivate::executePostedLayout(), header, QSize::height(), QAbstractItemViewPrivate::horizontalScrollMode, i, QList< T >::isEmpty(), QSize::isValid(), item, itemHeight(), QHeaderView::length(), QHeaderView::logicalIndex(), qMax(), QAbstractItemView::ScrollPerItem, QHeaderView::sectionSize(), QList< T >::size(), uniformRowHeights, QAbstractItemViewPrivate::verticalScrollMode, viewItems, viewport(), and QSize::width().

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viewIndex()

int QTreeViewPrivate::viewIndex

(

const QModelIndex &

index

)

const

Definition at line 3666 of file qtreeview.cpp.

References QList< T >::at(), i, QTreeViewItem::index, QModelIndex::internalId(), QList< T >::isEmpty(), QModelIndex::isValid(), j, lastViewedItem, qMax(), qMin(), QModelIndex::row(), QModelIndex::sibling(), QList< T >::size(), and viewItems.

Referenced by adjustViewOptionsForIndex(), itemDecorationRect(), select(), and visualRect().

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visualRect() [1/2]

QRect QTreeViewPrivate::visualRect ( const QModelIndex & index ) const

inlineoverridevirtual

Reimplemented from QAbstractItemViewPrivate.

Definition at line 164 of file qtreeview_p.h.

References visualRect().

Referenced by intersectedRect().

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visualRect() [2/2]

QRect QTreeViewPrivate::visualRect	(	const QModelIndex &	index,
		RectRule	rule ) const

Returns

the visual rectangle at

Parameters

index,according	to
rule.	\list SingleSection The return value matches the section, which index points to. FullRow Return the rectangle of the entire row, no matter which section index points to. AddRowIndicatorToFirstSection Like SingleSection. If \index points to the first section, add the row indicator and its margins. \endlist

Definition at line 1090 of file qtreeview.cpp.

References QList< T >::at(), coordinateForItem(), QAbstractItemViewPrivate::executePostedLayout(), FullRow, header, indentationForItem(), QAbstractItemViewPrivate::isIndexValid(), isTreePosition(), itemHeight(), QHeaderView::length(), rule, SingleSection, QTreeViewItem::spanning, spanning, viewIndex(), and viewItems.

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widthHintForIndex()

int QTreeViewPrivate::widthHintForIndex	(	const QModelIndex &	index,
		int	hint,
		const QStyleOptionViewItem &	option,
		int	i ) const

Get sizeHint width for single index (providing existing hint and style option) and index in viewIndex i.

Definition at line 1616 of file qtreeview.cpp.

References QSet< T >::contains(), QPointer< T >::data(), QAbstractItemViewPrivate::editor(), QAbstractItemViewPrivate::editorForIndex(), hint(), i, indentationForItem(), isTreePosition(), QWidget::maximumSize, QWidget::minimumSize, QAbstractItemViewPrivate::persistent, qBound(), qMax(), QWidget::sizeHint, QEditorInfo::widget, and QSize::width().

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Member Data Documentation

allColumnsShowFocus

bool QTreeViewPrivate::allColumnsShowFocus

Definition at line 182 of file qtreeview_p.h.

animationConnection

QMetaObject::Connection QTreeViewPrivate::animationConnection

Definition at line 267 of file qtreeview_p.h.

Referenced by clearConnections(), and initialize().

animationsEnabled

bool QTreeViewPrivate::animationsEnabled

Definition at line 192 of file qtreeview_p.h.

Referenced by collapse(), expand(), and initialize().

autoExpandDelay

int QTreeViewPrivate::autoExpandDelay

Definition at line 246 of file qtreeview_p.h.

columnResizeTimerID

int QTreeViewPrivate::columnResizeTimerID

Definition at line 242 of file qtreeview_p.h.

columnsToUpdate

QList<int> QTreeViewPrivate::columnsToUpdate

Definition at line 243 of file qtreeview_p.h.

current

int QTreeViewPrivate::current

mutable

Definition at line 187 of file qtreeview_p.h.

Referenced by adjustViewOptionsForIndex(), columnRanges(), QTreeWidgetPrivate::emitCurrentItemChanged(), layout(), and paintAlternatingRowColors().

customIndent

bool QTreeViewPrivate::customIndent

Definition at line 183 of file qtreeview_p.h.

defaultItemHeight

int QTreeViewPrivate::defaultItemHeight

Definition at line 176 of file qtreeview_p.h.

Referenced by coordinateForItem(), firstVisibleItem(), itemAtCoordinate(), itemHeight(), layout(), paintAlternatingRowColors(), and updateScrollBars().

expandedIndexes

QSet<QPersistentModelIndex> QTreeViewPrivate::expandedIndexes

Definition at line 191 of file qtreeview_p.h.

Referenced by collapse().

expandsOnDoubleClick

bool QTreeViewPrivate::expandsOnDoubleClick

Definition at line 181 of file qtreeview_p.h.

geometryRecursionBlock

bool QTreeViewPrivate::geometryRecursionBlock

Definition at line 253 of file qtreeview_p.h.

hasRemovedItems

bool QTreeViewPrivate::hasRemovedItems

Definition at line 256 of file qtreeview_p.h.

header

QHeaderView* QTreeViewPrivate::header

Definition at line 171 of file qtreeview_p.h.

Referenced by adjustViewOptionsForIndex(), calcLogicalIndices(), columnAt(), columnRanges(), QTreeWidgetPrivate::dataChanged(), initialize(), itemDecorationAt(), itemDecorationRect(), logicalIndexForTree(), QTreeWidgetPrivate::sort(), startAndEndColumns(), updateScrollBars(), and visualRect().

headerConnections

std::array<QMetaObject::Connection, 5> QTreeViewPrivate::headerConnections

Definition at line 270 of file qtreeview_p.h.

Referenced by clearConnections().

hiddenIndexes

QSet<QPersistentModelIndex> QTreeViewPrivate::hiddenIndexes

Definition at line 207 of file qtreeview_p.h.

Referenced by hasVisibleChildren().

hoverBranch

int QTreeViewPrivate::hoverBranch

mutable

Definition at line 250 of file qtreeview_p.h.

indent

int QTreeViewPrivate::indent

Definition at line 172 of file qtreeview_p.h.

Referenced by indentationForItem(), itemDecorationRect(), and updateIndentationFromStyle().

itemsExpandable

bool QTreeViewPrivate::itemsExpandable

Definition at line 179 of file qtreeview_p.h.

Referenced by expandOrCollapseItemAtPos().

lastViewedItem

int QTreeViewPrivate::lastViewedItem

mutable

Definition at line 175 of file qtreeview_p.h.

Referenced by viewIndex().

leftAndRight

QPair<int,int> QTreeViewPrivate::leftAndRight

mutable

Definition at line 186 of file qtreeview_p.h.

modelConnections

std::array<QMetaObject::Connection, 2> QTreeViewPrivate::modelConnections

Definition at line 269 of file qtreeview_p.h.

Referenced by clearConnections().

openTimer

QBasicTimer QTreeViewPrivate::openTimer

Definition at line 247 of file qtreeview_p.h.

rootDecoration

bool QTreeViewPrivate::rootDecoration

Definition at line 178 of file qtreeview_p.h.

Referenced by indentationForItem(), and itemDecorationRect().

selectionmodelConnection

QMetaObject::Connection QTreeViewPrivate::selectionmodelConnection

Definition at line 268 of file qtreeview_p.h.

Referenced by clearConnections().

sortHeaderConnection

QMetaObject::Connection QTreeViewPrivate::sortHeaderConnection

Definition at line 271 of file qtreeview_p.h.

Referenced by clearConnections().

sortingEnabled

bool QTreeViewPrivate::sortingEnabled

Definition at line 180 of file qtreeview_p.h.

Referenced by QTreeWidgetPrivate::dataChanged(), and QTreeWidgetPrivate::sort().

spanning

bool QTreeViewPrivate::spanning

mutable

Definition at line 188 of file qtreeview_p.h.

Referenced by adjustViewOptionsForIndex(), calcLogicalIndices(), and visualRect().

spanningIndexes

QSet<QPersistentModelIndex> QTreeViewPrivate::spanningIndexes

Definition at line 239 of file qtreeview_p.h.

Referenced by draggablePaintPairs(), and itemDecorationAt().

treePosition

int QTreeViewPrivate::treePosition

Definition at line 259 of file qtreeview_p.h.

Referenced by logicalIndexForTree().

uniformRowHeights

bool QTreeViewPrivate::uniformRowHeights

Definition at line 177 of file qtreeview_p.h.

Referenced by coordinateForItem(), firstVisibleItem(), itemAtCoordinate(), itemHeight(), layout(), and updateScrollBars().

viewItems

QList<QTreeViewItem> QTreeViewPrivate::viewItems

mutable

Definition at line 174 of file qtreeview_p.h.

Referenced by adjustViewOptionsForIndex(), collapse(), columnsAboutToBeRemoved(), coordinateForItem(), expand(), expandOrCollapseItemAtPos(), firstVisibleItem(), indentationForItem(), insertViewItems(), itemAtCoordinate(), itemDecorationRect(), itemForKeyEnd(), itemForKeyHome(), itemHeight(), lastVisibleItem(), layout(), modelAboutToBeReset(), modelDestroyed(), modelIndex(), pageDown(), pageUp(), removeViewItems(), updateScrollBars(), viewIndex(), and visualRect().

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

• qtbase/src/widgets/itemviews/qtreeview_p.h (a86321cb665b1af03b245b3b0fe0b57faa4a678f)
• qtbase/src/widgets/itemviews/qtreeview.cpp (a86321cb665b1af03b245b3b0fe0b57faa4a678f)