#include <qfiledialog_p.h>

Inheritance diagram for QFileDialogTreeView:

Collaboration diagram for QFileDialogTreeView:

Public Member Functions
	QFileDialogTreeView (QWidget *parent)

void	setFileDialogPrivate (QFileDialogPrivate *d_pointer)

QSize	sizeHint () const override

Public Member Functions inherited from QTreeView
	QTreeView (QWidget *parent=nullptr)
	Constructs a tree view with a parent to represent a model's data.

	~QTreeView ()
	Destroys the tree view.

void	setModel (QAbstractItemModel *model) override
	\reimp

void	setRootIndex (const QModelIndex &index) override
	\reimp

void	setSelectionModel (QItemSelectionModel *selectionModel) override
	\reimp

QHeaderView *	header () const
	Returns the header for the tree view.

void	setHeader (QHeaderView *header)
	Sets the header for the tree view, to the given header.

int	autoExpandDelay () const

void	setAutoExpandDelay (int delay)

int	indentation () const

void	setIndentation (int i)

void	resetIndentation ()

bool	rootIsDecorated () const

void	setRootIsDecorated (bool show)

bool	uniformRowHeights () const

void	setUniformRowHeights (bool uniform)

bool	itemsExpandable () const

void	setItemsExpandable (bool enable)

bool	expandsOnDoubleClick () const

void	setExpandsOnDoubleClick (bool enable)

int	columnViewportPosition (int column) const
	Returns the horizontal position of the column in the viewport.

int	columnWidth (int column) const
	Returns the width of the column.

void	setColumnWidth (int column, int width)

int	columnAt (int x) const
	Returns the column in the tree view whose header covers the x coordinate given.

bool	isColumnHidden (int column) const
	Returns `true` if the column is hidden; otherwise returns `false`.

void	setColumnHidden (int column, bool hide)
	If hide is true the column is hidden, otherwise the column is shown.

bool	isHeaderHidden () const

void	setHeaderHidden (bool hide)

bool	isRowHidden (int row, const QModelIndex &parent) const
	Returns `true` if the item in the given row of the parent is hidden; otherwise returns `false`.

void	setRowHidden (int row, const QModelIndex &parent, bool hide)
	If hide is true the row with the given parent is hidden, otherwise the row is shown.

bool	isFirstColumnSpanned (int row, const QModelIndex &parent) const

void	setFirstColumnSpanned (int row, const QModelIndex &parent, bool span)

bool	isExpanded (const QModelIndex &index) const
	Returns `true` if the model item index is expanded; otherwise returns false.

void	setExpanded (const QModelIndex &index, bool expand)
	Sets the item referred to by index to either collapse or expanded, depending on the value of expanded.

void	setSortingEnabled (bool enable)

bool	isSortingEnabled () const

void	setAnimated (bool enable)

bool	isAnimated () const

void	setAllColumnsShowFocus (bool enable)

bool	allColumnsShowFocus () const

void	setWordWrap (bool on)

bool	wordWrap () const

void	setTreePosition (int logicalIndex)

int	treePosition () const

void	keyboardSearch (const QString &search) override
	\reimp

QRect	visualRect (const QModelIndex &index) const override
	Returns the rectangle on the viewport occupied by the item at index.

void	scrollTo (const QModelIndex &index, ScrollHint hint=EnsureVisible) override
	Scroll the contents of the tree view until the given model item index is visible.

QModelIndex	indexAt (const QPoint &p) const override
	\reimp

QModelIndex	indexAbove (const QModelIndex &index) const
	Returns the model index of the item above index.

QModelIndex	indexBelow (const QModelIndex &index) const
	Returns the model index of the item below index.

void	doItemsLayout () override

void	reset () override
	\reimp

void	dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList< int > &roles=QList< int >()) override
	\reimp

void	selectAll () override
	\reimp

Public Member Functions inherited from QAbstractItemView
	QAbstractItemView (QWidget *parent=nullptr)
	Constructs an abstract item view with the given parent.

	~QAbstractItemView ()
	Destroys the view.

virtual void	setModel (QAbstractItemModel *model)
	Sets the model for the view to present.

QAbstractItemModel *	model () const
	Returns the model that this view is presenting.

virtual void	setSelectionModel (QItemSelectionModel *selectionModel)
	Sets the current selection model to the given selectionModel.

QItemSelectionModel *	selectionModel () const
	Returns the current selection model.

void	setItemDelegate (QAbstractItemDelegate *delegate)
	Sets the item delegate for this view and its model to delegate.

QAbstractItemDelegate *	itemDelegate () const
	Returns the item delegate used by this view and model.

void	setSelectionMode (QAbstractItemView::SelectionMode mode)

QAbstractItemView::SelectionMode	selectionMode () const

void	setSelectionBehavior (QAbstractItemView::SelectionBehavior behavior)

QAbstractItemView::SelectionBehavior	selectionBehavior () const

QModelIndex	currentIndex () const
	Returns the model index of the current item.

QModelIndex	rootIndex () const
	Returns the model index of the model's root item.

void	setEditTriggers (EditTriggers triggers)

EditTriggers	editTriggers () const

void	setVerticalScrollMode (ScrollMode mode)

ScrollMode	verticalScrollMode () const

void	resetVerticalScrollMode ()

void	setHorizontalScrollMode (ScrollMode mode)

ScrollMode	horizontalScrollMode () const

void	resetHorizontalScrollMode ()

void	setAutoScroll (bool enable)

bool	hasAutoScroll () const

void	setAutoScrollMargin (int margin)

int	autoScrollMargin () const

void	setTabKeyNavigation (bool enable)

bool	tabKeyNavigation () const

void	setAlternatingRowColors (bool enable)

bool	alternatingRowColors () const

void	setIconSize (const QSize &size)

QSize	iconSize () const

void	setTextElideMode (Qt::TextElideMode mode)

Qt::TextElideMode	textElideMode () const

virtual void	keyboardSearch (const QString &search)
	Moves to and selects the item best matching the string search.

virtual QRect	visualRect (const QModelIndex &index) const =0
	Returns the rectangle on the viewport occupied by the item at index.

virtual void	scrollTo (const QModelIndex &index, ScrollHint hint=EnsureVisible)=0
	Scrolls the view if necessary to ensure that the item at index is visible.

virtual QModelIndex	indexAt (const QPoint &point) const =0
	Returns the model index of the item at the viewport coordinates point.

QSize	sizeHintForIndex (const QModelIndex &index) const
	Returns the size hint for the item with the specified index or an invalid size for invalid indexes.

virtual int	sizeHintForRow (int row) const
	Returns the height size hint for the specified row or -1 if there is no model.

virtual int	sizeHintForColumn (int column) const
	Returns the width size hint for the specified column or -1 if there is no model.

void	openPersistentEditor (const QModelIndex &index)
	Opens a persistent editor on the item at the given index.

void	closePersistentEditor (const QModelIndex &index)
	Closes the persistent editor for the item at the given index.

bool	isPersistentEditorOpen (const QModelIndex &index) const

void	setIndexWidget (const QModelIndex &index, QWidget *widget)

QWidget *	indexWidget (const QModelIndex &index) const

void	setItemDelegateForRow (int row, QAbstractItemDelegate *delegate)

QAbstractItemDelegate *	itemDelegateForRow (int row) const

void	setItemDelegateForColumn (int column, QAbstractItemDelegate *delegate)

QAbstractItemDelegate *	itemDelegateForColumn (int column) const

virtual QAbstractItemDelegate *	itemDelegateForIndex (const QModelIndex &index) const

virtual QVariant	inputMethodQuery (Qt::InputMethodQuery query) const override
	\reimp

Protected Member Functions
void	keyPressEvent (QKeyEvent *e) override

Protected Member Functions inherited from QTreeView
	QTreeView (QTreeViewPrivate &dd, QWidget *parent=nullptr)

void	scrollContentsBy (int dx, int dy) override
	Scrolls the contents of the tree view by (dx, dy).

void	rowsInserted (const QModelIndex &parent, int start, int end) override
	Informs the view that the rows from the start row to the end row inclusive have been inserted into the parent model item.

void	rowsAboutToBeRemoved (const QModelIndex &parent, int start, int end) override
	Informs the view that the rows from the start row to the end row inclusive are about to removed from the given parent model item.

QModelIndex	moveCursor (CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override
	Move the cursor in the way described by cursorAction, using the information provided by the button modifiers.

int	horizontalOffset () const override
	Returns the horizontal offset of the items in the treeview.

int	verticalOffset () const override
	Returns the vertical offset of the items in the tree view.

void	setSelection (const QRect &rect, QItemSelectionModel::SelectionFlags command) override
	Applies the selection command to the items in or touched by the rectangle, rect.

QRegion	visualRegionForSelection (const QItemSelection &selection) const override
	Returns the rectangle from the viewport of the items in the given selection.

QModelIndexList	selectedIndexes () const override
	\reimp

void	changeEvent (QEvent *event) override
	\reimp

void	timerEvent (QTimerEvent *event) override
	\reimp

void	paintEvent (QPaintEvent *event) override
	\reimp

void	drawTree (QPainter *painter, const QRegion &region) const

virtual void	drawRow (QPainter *painter, const QStyleOptionViewItem &options, const QModelIndex &index) const
	Draws the row in the tree view that contains the model item index, using the painter given.

virtual void	drawBranches (QPainter *painter, const QRect &rect, const QModelIndex &index) const
	Draws the branches in the tree view on the same row as the model item index, using the painter given.

void	mousePressEvent (QMouseEvent *event) override
	\reimp

void	mouseReleaseEvent (QMouseEvent *event) override
	\reimp

void	mouseDoubleClickEvent (QMouseEvent *event) override
	\reimp

void	mouseMoveEvent (QMouseEvent *event) override
	\reimp

void	keyPressEvent (QKeyEvent *event) override
	\reimp

bool	viewportEvent (QEvent *event) override
	\reimp

void	updateGeometries () override
	\reimp

QSize	viewportSizeHint () const override
	\reimp

int	sizeHintForColumn (int column) const override
	Returns the size hint for the column's width or -1 if there is no model.

int	indexRowSizeHint (const QModelIndex &index) const
	Returns the size hint for the row indicated by index.

int	rowHeight (const QModelIndex &index) const

void	horizontalScrollbarAction (int action) override

bool	isIndexHidden (const QModelIndex &index) const override
	\reimp

void	selectionChanged (const QItemSelection &selected, const QItemSelection &deselected) override
	\reimp

void	currentChanged (const QModelIndex &current, const QModelIndex &previous) override
	\reimp

Protected Member Functions inherited from QAbstractItemView
	QAbstractItemView (QAbstractItemViewPrivate &, QWidget *parent=nullptr)

virtual QModelIndex	moveCursor (CursorAction cursorAction, Qt::KeyboardModifiers modifiers)=0
	Returns a QModelIndex object pointing to the next object in the view, based on the given cursorAction and keyboard modifiers specified by modifiers.

virtual int	horizontalOffset () const =0
	Returns the horizontal offset of the view.

virtual int	verticalOffset () const =0
	Returns the vertical offset of the view.

virtual bool	isIndexHidden (const QModelIndex &index) const =0
	Returns `true` if the item referred to by the given index is hidden in the view, otherwise returns `false`.

virtual void	setSelection (const QRect &rect, QItemSelectionModel::SelectionFlags command)=0
	Applies the selection flags to the items in or touched by the rectangle, rect.

virtual QRegion	visualRegionForSelection (const QItemSelection &selection) const =0
	Returns the region from the viewport of the items in the given selection.

virtual QModelIndexList	selectedIndexes () const
	This convenience function returns a list of all selected and non-hidden item indexes in the view.

virtual bool	edit (const QModelIndex &index, EditTrigger trigger, QEvent *event)
	Starts editing the item at index, creating an editor if necessary, and returns `true` if the view's \l{State} is now EditingState; otherwise returns `false`.

virtual QItemSelectionModel::SelectionFlags	selectionCommand (const QModelIndex &index, const QEvent *event=nullptr) const
	Returns the SelectionFlags to be used when updating a selection model for the specified index.

virtual void	initViewItemOption (QStyleOptionViewItem *option) const

State	state () const
	Returns the item view's state.

void	setState (State state)
	Sets the item view's state to the given state.

void	scheduleDelayedItemsLayout ()
	Schedules a layout of the items in the view to be executed when the event processing starts.

void	executeDelayedItemsLayout ()
	Executes the scheduled layouts without waiting for the event processing to begin.

void	setDirtyRegion (const QRegion &region)

void	scrollDirtyRegion (int dx, int dy)
	Prepares the view for scrolling by ({dx},{dy}) pixels by moving the dirty regions in the opposite direction.

QPoint	dirtyRegionOffset () const
	Returns the offset of the dirty regions in the view.

void	startAutoScroll ()

void	stopAutoScroll ()

void	doAutoScroll ()

bool	focusNextPrevChild (bool next) override
	\reimp

bool	event (QEvent *event) override
	\reimp

bool	viewportEvent (QEvent *event) override
	This function is used to handle tool tips, and What's This? mode, if the given event is a QEvent::ToolTip,or a QEvent::WhatsThis.

void	mousePressEvent (QMouseEvent *event) override
	This function is called with the given event when a mouse button is pressed while the cursor is inside the widget.

void	mouseMoveEvent (QMouseEvent *event) override
	This function is called with the given event when a mouse move event is sent to the widget.

void	mouseReleaseEvent (QMouseEvent *event) override
	This function is called with the given event when a mouse button is released, after a mouse press event on the widget.

void	mouseDoubleClickEvent (QMouseEvent *event) override
	This function is called with the given event when a mouse button is double clicked inside the widget.

void	focusInEvent (QFocusEvent *event) override
	This function is called with the given event when the widget obtains the focus.

void	focusOutEvent (QFocusEvent *event) override
	This function is called with the given event when the widget loses the focus.

void	keyPressEvent (QKeyEvent *event) override
	This function is called with the given event when a key event is sent to the widget.

void	resizeEvent (QResizeEvent *event) override
	This function is called with the given event when a resize event is sent to the widget.

void	timerEvent (QTimerEvent *event) override
	This function is called with the given event when a timer event is sent to the widget.

void	inputMethodEvent (QInputMethodEvent *event) override
	\reimp

bool	eventFilter (QObject object, QEvent event) override
	\reimp

QSize	viewportSizeHint () const override

Additional Inherited Members
Public Types inherited from QAbstractItemView
enum	SelectionMode { NoSelection , SingleSelection , MultiSelection , ExtendedSelection , ContiguousSelection }
	This enum indicates how the view responds to user selections: More...

enum	SelectionBehavior { SelectItems , SelectRows , SelectColumns }
	\value SelectItems Selecting single items. More...

enum	ScrollHint { EnsureVisible , PositionAtTop , PositionAtBottom , PositionAtCenter }
	\value EnsureVisible Scroll to ensure that the item is visible. More...

enum	EditTrigger { NoEditTriggers = 0 , CurrentChanged = 1 , DoubleClicked = 2 , SelectedClicked = 4 , EditKeyPressed = 8 , AnyKeyPressed = 16 , AllEditTriggers = 31 }
	This enum describes actions which will initiate item editing. More...

enum	ScrollMode { ScrollPerItem , ScrollPerPixel }

Public Slots inherited from QTreeView
void	hideColumn (int column)
	Hides the column given.

void	showColumn (int column)
	Shows the given column in the tree view.

void	expand (const QModelIndex &index)
	Expands the model item specified by the index.

void	collapse (const QModelIndex &index)
	Collapses the model item specified by the index.

void	resizeColumnToContents (int column)
	Resizes the column given to the size of its contents.

void	sortByColumn (int column, Qt::SortOrder order)

void	expandAll ()

void	expandRecursively (const QModelIndex &index, int depth=-1)

void	collapseAll ()

void	expandToDepth (int depth)

Public Slots inherited from QAbstractItemView
virtual void	reset ()
	Reset the internal state of the view.

virtual void	setRootIndex (const QModelIndex &index)
	Sets the root item to the item at the given index.

virtual void	doItemsLayout ()

virtual void	selectAll ()
	Selects all items in the view.

void	edit (const QModelIndex &index)
	Starts editing the item corresponding to the given index if it is editable.

void	clearSelection ()
	Deselects all selected items.

void	setCurrentIndex (const QModelIndex &index)
	Sets the current item to be the item at index.

void	scrollToTop ()

void	scrollToBottom ()

void	update (const QModelIndex &index)

Signals inherited from QTreeView
void	expanded (const QModelIndex &index)
	This signal is emitted when the item specified by index is expanded.

void	collapsed (const QModelIndex &index)
	This signal is emitted when the item specified by index is collapsed.

Signals inherited from QAbstractItemView
void	pressed (const QModelIndex &index)
	This signal is emitted when a mouse button is pressed.

void	clicked (const QModelIndex &index)
	This signal is emitted when a mouse button is left-clicked.

void	doubleClicked (const QModelIndex &index)
	This signal is emitted when a mouse button is double-clicked.

void	activated (const QModelIndex &index)
	This signal is emitted when the item specified by index is activated by the user.

void	entered (const QModelIndex &index)
	This signal is emitted when the mouse cursor enters the item specified by index.

void	viewportEntered ()
	This signal is emitted when the mouse cursor enters the viewport.

void	iconSizeChanged (const QSize &size)

Protected Types inherited from QAbstractItemView
enum	CursorAction { MoveUp , MoveDown , MoveLeft , MoveRight , MoveHome , MoveEnd , MovePageUp , MovePageDown , MoveNext , MovePrevious }
	This enum describes the different ways to navigate between items,. More...

enum	State { NoState , DraggingState , DragSelectingState , EditingState , ExpandingState , CollapsingState , AnimatingState }
	Describes the different states the view can be in. More...

Protected Slots inherited from QTreeView
void	columnResized (int column, int oldSize, int newSize)
	This function is called whenever {column}'s size is changed in the header.

void	columnCountChanged (int oldCount, int newCount)
	Informs the tree view that the number of columns in the tree view has changed from oldCount to newCount.

void	columnMoved ()
	This slot is called whenever a column has been moved.

void	reexpand ()

void	rowsRemoved (const QModelIndex &parent, int first, int last)

void	verticalScrollbarValueChanged (int value) override

Protected Slots inherited from QAbstractItemView
virtual void	dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList< int > &roles=QList< int >())
	This slot is called when items with the given roles are changed in the model.

virtual void	rowsInserted (const QModelIndex &parent, int start, int end)
	This slot is called when rows are inserted.

virtual void	rowsAboutToBeRemoved (const QModelIndex &parent, int start, int end)
	This slot is called when rows are about to be removed.

virtual void	selectionChanged (const QItemSelection &selected, const QItemSelection &deselected)
	This slot is called when the selection is changed.

virtual void	currentChanged (const QModelIndex &current, const QModelIndex &previous)
	This slot is called when a new item becomes the current item.

virtual void	updateEditorData ()

virtual void	updateEditorGeometries ()

virtual void	updateGeometries ()

virtual void	verticalScrollbarAction (int action)

virtual void	horizontalScrollbarAction (int action)

virtual void	verticalScrollbarValueChanged (int value)

virtual void	horizontalScrollbarValueChanged (int value)

virtual void	closeEditor (QWidget *editor, QAbstractItemDelegate::EndEditHint hint)
	Closes the given editor, and releases it.

virtual void	commitData (QWidget *editor)
	Commit the data in the editor to the model.

virtual void	editorDestroyed (QObject *editor)
	This function is called when the given editor has been destroyed.

Properties inherited from QTreeView
int	autoExpandDelay
	The delay time before items in a tree are opened during a drag and drop operation.

int	indentation
	indentation of the items in the tree view.

bool	rootIsDecorated
	whether to show controls for expanding and collapsing top-level items

bool	uniformRowHeights
	whether all items in the treeview have the same height

bool	itemsExpandable
	whether the items are expandable by the user.

bool	sortingEnabled
	whether sorting is enabled

bool	animated
	whether animations are enabled

bool	allColumnsShowFocus
	whether items should show keyboard focus using all columns

bool	wordWrap
	the item text word-wrapping policy

bool	headerHidden
	whether the header is shown or not.

bool	expandsOnDoubleClick
	whether the items can be expanded by double-clicking.

Properties inherited from QAbstractItemView
bool	autoScroll
	whether autoscrolling in drag move events is enabled

int	autoScrollMargin
	the size of the area when auto scrolling is triggered

EditTriggers	editTriggers
	which actions will initiate item editing

bool	tabKeyNavigation
	whether item navigation with tab and backtab is enabled.

bool	alternatingRowColors
	whether to draw the background using alternating colors

SelectionMode	selectionMode
	which selection mode the view operates in

SelectionBehavior	selectionBehavior
	which selection behavior the view uses

QSize	iconSize
	the size of items' icons

Qt::TextElideMode	textElideMode
	the position of the "..." in elided text.

ScrollMode	verticalScrollMode
	how the view scrolls its contents in the vertical direction

ScrollMode	horizontalScrollMode
	how the view scrolls its contents in the horizontal direction

Detailed Description

Definition at line 305 of file qfiledialog_p.h.

Constructor & Destructor Documentation

◆ QFileDialogTreeView()

QFileDialogTreeView::QFileDialogTreeView ( QWidget * parent )

inline

Definition at line 308 of file qfiledialog_p.h.

Member Function Documentation

◆ keyPressEvent()

void QFileDialogTreeView::keyPressEvent ( QKeyEvent * e )

overrideprotected

Definition at line 4112 of file qfiledialog.cpp.

References e, QFileDialogPrivate::itemViewKeyboardEvent(), QTreeView::keyPressEvent(), and Qt::NavigationModeKeypadDirectional.

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◆ setFileDialogPrivate()

void QFileDialogTreeView::setFileDialogPrivate ( QFileDialogPrivate * d_pointer )

Definition at line 4095 of file qfiledialog.cpp.

References Qt::AscendingOrder, Qt::CustomContextMenu, QAbstractItemView::EditKeyPressed, Qt::ElideMiddle, QTreeView::header(), QAbstractItemView::SelectRows, QAbstractItemView::setEditTriggers(), QTreeView::setItemsExpandable(), QTreeView::setRootIsDecorated(), QAbstractItemView::setSelectionBehavior(), QHeaderView::setSortIndicator(), QTreeView::setSortingEnabled(), QHeaderView::setStretchLastSection(), and QAbstractItemView::setTextElideMode().

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◆ sizeHint()

QSize QFileDialogTreeView::sizeHint ( ) const

override

Definition at line 4126 of file qfiledialog.cpp.

References QTreeView::header(), qMax(), sizeHint(), QHeaderView::sizeHint(), QAbstractItemView::sizeHintForRow(), and QSize::width().

Referenced by sizeHint().

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

qtbase/src/widgets/dialogs/qfiledialog_p.h
qtbase/src/widgets/dialogs/qfiledialog.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QFileDialogTreeView()

Member Function Documentation

◆ keyPressEvent()

◆ setFileDialogPrivate()

◆ sizeHint()