#include <qquickcombobox_p.h>

Inheritance diagram for QQuickComboBox:

Collaboration diagram for QQuickComboBox:

Public Types
enum	ImplicitContentWidthPolicy { ContentItemImplicitWidth , WidestText , WidestTextWhenCompleted }

Public Types inherited from QQuickItem
enum	Flag { ItemClipsChildrenToShape = 0x01 , ItemIsFocusScope = 0x04 , ItemHasContents = 0x08 , ItemAcceptsDrops = 0x10 , ItemIsViewport = 0x20 , ItemObservesViewport = 0x40 }
	\qmltype Item \nativetype QQuickItem \inherits QtObject \inqmlmodule QtQuick More...

enum	ItemChange { ItemChildAddedChange , ItemChildRemovedChange , ItemSceneChange , ItemVisibleHasChanged , ItemParentHasChanged , ItemOpacityHasChanged , ItemActiveFocusHasChanged , ItemRotationHasChanged , ItemAntialiasingHasChanged , ItemDevicePixelRatioHasChanged , ItemEnabledHasChanged , ItemScaleHasChanged , ItemTransformHasChanged }
	Used in conjunction with QQuickItem::itemChange() to notify the item about certain types of changes. More...

enum	TransformOrigin { TopLeft , Top , TopRight , Left , Center , Right , BottomLeft , Bottom , BottomRight }
	\variable QQuickItem::ItemChangeData::realValue The numeric value that has changed: \l {QQuickItem::opacity()}{opacity}, \l {QQuickItem::rotation()}{rotation}, or \l {QQuickItem::scale()}{scale}, or \l {QScreen::devicePixelRatio}{device pixel ratio}. More...

Public Slots
void	incrementCurrentIndex ()
	\qmlmethod void QtQuick.Controls::ComboBox::incrementCurrentIndex()

void	decrementCurrentIndex ()
	\qmlmethod void QtQuick.Controls::ComboBox::decrementCurrentIndex()

	Q_REVISION (2, 2) void selectAll()

Public Slots inherited from QQuickItem
void	update ()
	Schedules a call to updatePaintNode() for this item.

Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

Signals
void	activated (int index)

void	highlighted (int index)

void	countChanged ()

void	modelChanged ()

void	delegateModelChanged ()

void	pressedChanged ()

void	highlightedIndexChanged ()

void	currentIndexChanged ()

void	currentTextChanged ()

void	displayTextChanged ()

void	textRoleChanged ()

void	delegateChanged ()

void	indicatorChanged ()

void	popupChanged ()

	Q_REVISION (2, 1) void flatChanged()

	Q_REVISION (2, 2) void accepted()

	Q_REVISION (2, 2) void downChanged()

	Q_REVISION (2, 2) void editableChanged()

	Q_REVISION (2, 2) void editTextChanged()

	Q_REVISION (2, 2) void inputMethodHintsChanged()

	Q_REVISION (2, 2) void inputMethodComposingChanged()

	Q_REVISION (2, 2) void acceptableInputChanged()

	Q_REVISION (2, 5) void implicitIndicatorWidthChanged()

	Q_REVISION (2, 5) void implicitIndicatorHeightChanged()

	Q_REVISION (2, 14) void valueRoleChanged()

	Q_REVISION (2, 14) void currentValueChanged()

	Q_REVISION (2, 15) void selectTextByMouseChanged()

	Q_REVISION (6, 0) void implicitContentWidthPolicyChanged()

Signals inherited from QQuickControl
void	fontChanged ()

void	availableWidthChanged ()

void	availableHeightChanged ()

void	paddingChanged ()

void	topPaddingChanged ()

void	leftPaddingChanged ()

void	rightPaddingChanged ()

void	bottomPaddingChanged ()

void	spacingChanged ()

void	localeChanged ()

void	focusReasonChanged ()

void	mirroredChanged ()

void	visualFocusChanged ()

void	hoveredChanged ()

void	hoverEnabledChanged ()

void	wheelEnabledChanged ()

void	backgroundChanged ()

void	contentItemChanged ()

void	baselineOffsetChanged ()

	Q_REVISION (2, 5) void horizontalPaddingChanged()

	Q_REVISION (2, 5) void verticalPaddingChanged()

	Q_REVISION (2, 5) void implicitContentWidthChanged()

	Q_REVISION (2, 5) void implicitContentHeightChanged()

	Q_REVISION (2, 5) void implicitBackgroundWidthChanged()

	Q_REVISION (2, 5) void implicitBackgroundHeightChanged()

	Q_REVISION (2, 5) void topInsetChanged()

	Q_REVISION (2, 5) void leftInsetChanged()

	Q_REVISION (2, 5) void rightInsetChanged()

	Q_REVISION (2, 5) void bottomInsetChanged()

Signals inherited from QQuickItem
void	childrenRectChanged (const QRectF &)

void	baselineOffsetChanged (qreal)

void	stateChanged (const QString &)

void	focusChanged (bool)

void	activeFocusChanged (bool)

Q_REVISION(6, 7) void focusPolicyChanged(Qt	Q_REVISION (2, 1) void activeFocusOnTabChanged(bool)

void	parentChanged (QQuickItem *)

void	transformOriginChanged (TransformOrigin)

void	smoothChanged (bool)

void	antialiasingChanged (bool)

void	clipChanged (bool)

	Q_REVISION (2, 1) void windowChanged(QQuickWindow *window)

void	childrenChanged ()

void	opacityChanged ()

void	enabledChanged ()

void	visibleChanged ()

void	visibleChildrenChanged ()

void	rotationChanged ()

void	scaleChanged ()

void	xChanged ()

void	yChanged ()

void	widthChanged ()

void	heightChanged ()

void	zChanged ()

void	implicitWidthChanged ()

void	implicitHeightChanged ()

	Q_REVISION (2, 11) void containmentMaskChanged()

	Q_REVISION (6, 0) void paletteChanged()

	Q_REVISION (6, 0) void paletteCreated()

Signals inherited from QObject
void	destroyed (QObject *=nullptr)
	This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.

void	objectNameChanged (const QString &objectName, QPrivateSignal)
	This signal is emitted after the object's name has been changed.

Public Member Functions
	QQuickComboBox (QQuickItem *parent=nullptr)

	~QQuickComboBox ()

int	count () const
	\readonly \qmlproperty int QtQuick.Controls::ComboBox::count

QVariant	model () const
	\qmlproperty model QtQuick.Controls::ComboBox::model

void	setModel (const QVariant &model)

QQmlInstanceModel *	delegateModel () const
	\readonly \qmlproperty model QtQuick.Controls::ComboBox::delegateModel

bool	isPressed () const
	\readonly \qmlproperty bool QtQuick.Controls::ComboBox::pressed

void	setPressed (bool pressed)

int	highlightedIndex () const
	\readonly \qmlproperty int QtQuick.Controls::ComboBox::highlightedIndex

int	currentIndex () const
	\qmlproperty int QtQuick.Controls::ComboBox::currentIndex

void	setCurrentIndex (int index)

QString	currentText () const
	\readonly \qmlproperty string QtQuick.Controls::ComboBox::currentText

QString	displayText () const
	\qmlproperty string QtQuick.Controls::ComboBox::displayText

void	setDisplayText (const QString &text)

void	resetDisplayText ()

QString	textRole () const
	\qmlproperty string QtQuick.Controls::ComboBox::textRole

void	setTextRole (const QString &role)

QString	valueRole () const

void	setValueRole (const QString &role)

QQmlComponent *	delegate () const
	\qmlproperty Component QtQuick.Controls::ComboBox::delegate

void	setDelegate (QQmlComponent *delegate)

QQuickItem *	indicator () const
	\qmlproperty Item QtQuick.Controls::ComboBox::indicator

void	setIndicator (QQuickItem *indicator)

QQuickPopup *	popup () const
	\qmlproperty Popup QtQuick.Controls::ComboBox::popup

void	setPopup (QQuickPopup *popup)

Q_INVOKABLE QString	textAt (int index) const
	\qmlmethod string QtQuick.Controls::ComboBox::textAt(int index)

Q_INVOKABLE int	find (const QString &text, Qt::MatchFlags flags=Qt::MatchExactly) const
	\qmlmethod int QtQuick.Controls::ComboBox::find(string text, enumeration flags)

bool	isFlat () const

void	setFlat (bool flat)

bool	isDown () const

void	setDown (bool down)

void	resetDown ()

bool	isEditable () const

void	setEditable (bool editable)

QString	editText () const

void	setEditText (const QString &text)

void	resetEditText ()

Qt::InputMethodHints	inputMethodHints () const

void	setInputMethodHints (Qt::InputMethodHints hints)

bool	isInputMethodComposing () const

bool	hasAcceptableInput () const

qreal	implicitIndicatorWidth () const

qreal	implicitIndicatorHeight () const

QVariant	currentValue () const
	\readonly

	Q_REVISION (2, 14) Q_INVOKABLE QVariant valueAt(int index) const

	Q_REVISION (2, 14) Q_INVOKABLE int indexOfValue(const QVariant &value) const

bool	selectTextByMouse () const

void	setSelectTextByMouse (bool canSelect)

ImplicitContentWidthPolicy	implicitContentWidthPolicy () const

void	setImplicitContentWidthPolicy (ImplicitContentWidthPolicy policy)

Public Member Functions inherited from QQuickControl
	QQuickControl (QQuickItem *parent=nullptr)

	~QQuickControl ()

QFont	font () const
	\qmlproperty font QtQuick.Controls::Control::font

void	setFont (const QFont &font)

void	resetFont ()

qreal	availableWidth () const
	\qmlproperty real QtQuick.Controls::Control::availableWidth \readonly

qreal	availableHeight () const
	\qmlproperty real QtQuick.Controls::Control::availableHeight \readonly

qreal	padding () const
	\qmlproperty real QtQuick.Controls::Control::padding

void	setPadding (qreal padding)

void	resetPadding ()

qreal	topPadding () const
	\qmlproperty real QtQuick.Controls::Control::topPadding

void	setTopPadding (qreal padding)

void	resetTopPadding ()

qreal	leftPadding () const
	\qmlproperty real QtQuick.Controls::Control::leftPadding

void	setLeftPadding (qreal padding)

void	resetLeftPadding ()

qreal	rightPadding () const
	\qmlproperty real QtQuick.Controls::Control::rightPadding

void	setRightPadding (qreal padding)

void	resetRightPadding ()

qreal	bottomPadding () const
	\qmlproperty real QtQuick.Controls::Control::bottomPadding

void	setBottomPadding (qreal padding)

void	resetBottomPadding ()

qreal	spacing () const
	\qmlproperty real QtQuick.Controls::Control::spacing

void	setSpacing (qreal spacing)

void	resetSpacing ()

QLocale	locale () const
	\qmlproperty Locale QtQuick.Controls::Control::locale

void	setLocale (const QLocale &locale)

void	resetLocale ()

bool	isMirrored () const
	\qmlproperty bool QtQuick.Controls::Control::mirrored \readonly

Qt::FocusReason	focusReason () const
	\qmlproperty enumeration QtQuick.Controls::Control::focusReason

void	setFocusReason (Qt::FocusReason reason)

bool	hasVisualFocus () const
	\qmlproperty bool QtQuick.Controls::Control::visualFocus \readonly

bool	isHovered () const
	\qmlproperty bool QtQuick.Controls::Control::hovered \readonly

void	setHovered (bool hovered)

bool	isHoverEnabled () const
	\qmlproperty bool QtQuick.Controls::Control::hoverEnabled

void	setHoverEnabled (bool enabled)

void	resetHoverEnabled ()

bool	isWheelEnabled () const
	\qmlproperty bool QtQuick.Controls::Control::wheelEnabled

void	setWheelEnabled (bool enabled)

QQuickItem *	background () const
	\qmlproperty Item QtQuick.Controls::Control::background

void	setBackground (QQuickItem *background)

QQuickItem *	contentItem () const
	\qmlproperty Item QtQuick.Controls::Control::contentItem

void	setContentItem (QQuickItem *item)

qreal	baselineOffset () const

void	setBaselineOffset (qreal offset)

void	resetBaselineOffset ()

qreal	horizontalPadding () const

void	setHorizontalPadding (qreal padding)

void	resetHorizontalPadding ()

qreal	verticalPadding () const

void	setVerticalPadding (qreal padding)

void	resetVerticalPadding ()

qreal	implicitContentWidth () const

qreal	implicitContentHeight () const

qreal	implicitBackgroundWidth () const

qreal	implicitBackgroundHeight () const

qreal	topInset () const

void	setTopInset (qreal inset)

void	resetTopInset ()

qreal	leftInset () const

void	setLeftInset (qreal inset)

void	resetLeftInset ()

qreal	rightInset () const

void	setRightInset (qreal inset)

void	resetRightInset ()

qreal	bottomInset () const

void	setBottomInset (qreal inset)

void	resetBottomInset ()

Public Member Functions inherited from QQuickItem
	QQuickItem (QQuickItem *parent=nullptr)
	Constructs a QQuickItem with the given parent.

	~QQuickItem () override
	Destroys the QQuickItem.

QQuickWindow *	window () const
	Returns the window in which this item is rendered.

QQuickItem *	parentItem () const

void	setParentItem (QQuickItem *parent)

void	stackBefore (const QQuickItem *)
	Moves the specified sibling item to the index before this item within the list of children.

void	stackAfter (const QQuickItem *)
	Moves the specified sibling item to the index after this item within the list of children.

QRectF	childrenRect ()
	\qmlpropertygroup QtQuick::Item::childrenRect \qmlproperty real QtQuick::Item::childrenRect.x \qmlproperty real QtQuick::Item::childrenRect.y \qmlproperty real QtQuick::Item::childrenRect.width \qmlproperty real QtQuick::Item::childrenRect.height \readonly

QList< QQuickItem * >	childItems () const
	Returns the children of this item.

bool	clip () const
	\qmlproperty bool QtQuick::Item::clip This property holds whether clipping is enabled.

void	setClip (bool)

QString	state () const
	\qmlproperty string QtQuick::Item::state

void	setState (const QString &)

qreal	baselineOffset () const
	\qmlproperty int QtQuick::Item::baselineOffset

void	setBaselineOffset (qreal)

QQmlListProperty< QQuickTransform >	transform ()

qreal	x () const

qreal	y () const

QPointF	position () const

void	setX (qreal)

void	setY (qreal)

void	setPosition (const QPointF &)

QBindable< qreal >	bindableX ()

QBindable< qreal >	bindableY ()

qreal	width () const

void	setWidth (qreal)

void	resetWidth ()

void	setImplicitWidth (qreal)

qreal	implicitWidth () const
	Returns the width of the item that is implied by other properties that determine the content.

QBindable< qreal >	bindableWidth ()

qreal	height () const

void	setHeight (qreal)

void	resetHeight ()

void	setImplicitHeight (qreal)

qreal	implicitHeight () const

QBindable< qreal >	bindableHeight ()

QSizeF	size () const

void	setSize (const QSizeF &size)

TransformOrigin	transformOrigin () const

void	setTransformOrigin (TransformOrigin)

QPointF	transformOriginPoint () const

void	setTransformOriginPoint (const QPointF &)

qreal	z () const

void	setZ (qreal)

qreal	rotation () const

void	setRotation (qreal)

qreal	scale () const

void	setScale (qreal)

qreal	opacity () const

void	setOpacity (qreal)

bool	isVisible () const

void	setVisible (bool)

bool	isEnabled () const

void	setEnabled (bool)

bool	smooth () const

void	setSmooth (bool)

bool	activeFocusOnTab () const
	\qmlproperty bool QtQuick::Item::activeFocusOnTab

void	setActiveFocusOnTab (bool)

bool	antialiasing () const

void	setAntialiasing (bool)

void	resetAntialiasing ()

Flags	flags () const
	Returns the item flags for this item.

void	setFlag (Flag flag, bool enabled=true)
	Enables the specified flag for this item if enabled is true; if enabled is false, the flag is disabled.

void	setFlags (Flags flags)
	Enables the specified flags for this item.

virtual QRectF	boundingRect () const
	Returns the extents of the item in its own coordinate system: a rectangle from {0, 0} to \l width() and \l height().

virtual QRectF	clipRect () const
	Returns the rectangular area within this item that is currently visible in \l viewportItem(), if there is a viewport and the \l ItemObservesViewport flag is set; otherwise, the extents of this item in its own coordinate system: a rectangle from {0, 0} to \l width() and \l height().

QQuickItem *	viewportItem () const
	If the \l ItemObservesViewport flag is set, returns the nearest parent with the \l ItemIsViewport flag.

bool	hasActiveFocus () const

bool	hasFocus () const

void	setFocus (bool)

void	setFocus (bool focus, Qt::FocusReason reason)

bool	isFocusScope () const
	Returns true if this item is a focus scope, and false otherwise.

QQuickItem *	scopedFocusItem () const
	If this item is a focus scope, this returns the item in its focus chain that currently has focus.

Qt::FocusPolicy	focusPolicy () const

void	setFocusPolicy (Qt::FocusPolicy policy)
	Sets the focus policy of this item to policy.

bool	isAncestorOf (const QQuickItem *child) const
	Returns `true` if this item is an ancestor of child (i.e., if this item is child's parent, or one of child's parent's ancestors).

Qt::MouseButtons	acceptedMouseButtons () const
	Returns the mouse buttons accepted by this item.

void	setAcceptedMouseButtons (Qt::MouseButtons buttons)
	Sets the mouse buttons accepted by this item to buttons.

bool	acceptHoverEvents () const
	Returns whether hover events are accepted by this item.

void	setAcceptHoverEvents (bool enabled)
	If enabled is true, this sets the item to accept hover events; otherwise, hover events are not accepted by this item.

bool	acceptTouchEvents () const
	Returns whether touch events are accepted by this item.

void	setAcceptTouchEvents (bool accept)
	If enabled is true, this sets the item to accept touch events; otherwise, touch events are not accepted by this item.

bool	isUnderMouse () const

void	grabMouse ()

void	ungrabMouse ()

bool	keepMouseGrab () const
	Returns whether mouse input should exclusively remain with this item.

void	setKeepMouseGrab (bool)
	Sets whether the mouse input should remain exclusively with this item.

bool	filtersChildMouseEvents () const
	Returns whether pointer events intended for this item's children should be filtered through this item.

void	setFiltersChildMouseEvents (bool filter)
	Sets whether pointer events intended for this item's children should be filtered through this item.

void	grabTouchPoints (const QList< int > &ids)

void	ungrabTouchPoints ()

bool	keepTouchGrab () const
	Returns whether the touch points grabbed by this item should exclusively remain with this item.

void	setKeepTouchGrab (bool)
	Sets whether the touch points grabbed by this item should remain exclusively with this item.

	Q_REVISION (2, 4) Q_INVOKABLE bool grabToImage(const QJSValue &callback

QSharedPointer< QQuickItemGrabResult >	grabToImage (const QSize &targetSize=QSize())
	Grabs the item into an in-memory image.

virtual Q_INVOKABLE bool	contains (const QPointF &point) const
	\qmlmethod bool QtQuick::Item::contains(point point)

QObject *	containmentMask () const

void	setContainmentMask (QObject *mask)

QTransform	itemTransform (QQuickItem , bool ) const
	\qmlmethod point QtQuick::Item::mapFromItem(Item item, real x, real y) \qmlmethod point QtQuick::Item::mapFromItem(Item item, point p) \qmlmethod rect QtQuick::Item::mapFromItem(Item item, real x, real y, real width, real height) \qmlmethod rect QtQuick::Item::mapFromItem(Item item, rect r)

QPointF	mapToScene (const QPointF &point) const
	Maps the given point in this item's coordinate system to the equivalent point within the scene's coordinate system, and returns the mapped coordinate.

QRectF	mapRectToItem (const QQuickItem *item, const QRectF &rect) const
	Maps the given rect in this item's coordinate system to the equivalent rectangular area within item's coordinate system, and returns the mapped rectangle value.

QRectF	mapRectToScene (const QRectF &rect) const
	Maps the given rect in this item's coordinate system to the equivalent rectangular area within the scene's coordinate system, and returns the mapped rectangle value.

QPointF	mapFromScene (const QPointF &point) const
	Maps the given point in the scene's coordinate system to the equivalent point within this item's coordinate system, and returns the mapped coordinate.

QRectF	mapRectFromItem (const QQuickItem *item, const QRectF &rect) const
	Maps the given rect in item's coordinate system to the equivalent rectangular area within this item's coordinate system, and returns the mapped rectangle value.

QRectF	mapRectFromScene (const QRectF &rect) const
	Maps the given rect in the scene's coordinate system to the equivalent rectangular area within this item's coordinate system, and returns the mapped rectangle value.

void	polish ()
	Schedules a polish event for this item.

Q_INVOKABLE QPointF	mapFromItem (const QQuickItem *item, const QPointF &point) const
	Maps the given point in item's coordinate system to the equivalent point within this item's coordinate system, and returns the mapped coordinate.

Q_INVOKABLE QPointF	mapFromItem (const QQuickItem *item, qreal x, qreal y)

Q_INVOKABLE QRectF	mapFromItem (const QQuickItem *item, const QRectF &rect) const

Q_INVOKABLE QRectF	mapFromItem (const QQuickItem *item, qreal x, qreal y, qreal width, qreal height) const

Q_INVOKABLE QPointF	mapToItem (const QQuickItem *item, const QPointF &point) const
	Maps the given point in this item's coordinate system to the equivalent point within item's coordinate system, and returns the mapped coordinate.

Q_INVOKABLE QPointF	mapToItem (const QQuickItem *item, qreal x, qreal y)

Q_INVOKABLE QRectF	mapToItem (const QQuickItem *item, const QRectF &rect) const

Q_INVOKABLE QRectF	mapToItem (const QQuickItem *item, qreal x, qreal y, qreal width, qreal height) const

	Q_REVISION (2, 7) Q_INVOKABLE QPointF mapFromGlobal(qreal x

	Q_REVISION (2, 7) Q_INVOKABLE QPointF mapFromGlobal(const QPointF &point) const

	Q_REVISION (2, 7) Q_INVOKABLE QPointF mapToGlobal(qreal x

	Q_REVISION (2, 7) Q_INVOKABLE QPointF mapToGlobal(const QPointF &point) const

Q_INVOKABLE void	forceActiveFocus ()
	\qmlmethod point QtQuick::Item::mapToItem(Item item, real x, real y) \qmlmethod point QtQuick::Item::mapToItem(Item item, point p) \qmlmethod rect QtQuick::Item::mapToItem(Item item, real x, real y, real width, real height) \qmlmethod rect QtQuick::Item::mapToItem(Item item, rect r)

Q_INVOKABLE void	forceActiveFocus (Qt::FocusReason reason)
	\qmlmethod QtQuick::Item::forceActiveFocus(Qt::FocusReason reason) This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Forces active focus on the item with the given reason.

	Q_REVISION (2, 1) Q_INVOKABLE QQuickItem *nextItemInFocusChain(bool forward

Q_INVOKABLE QQuickItem *	childAt (qreal x, qreal y) const
	\qmlmethod QtQuick::Item::childAt(real x, real y)

	Q_REVISION (6, 3) Q_INVOKABLE void ensurePolished()

	Q_REVISION (6, 3) Q_INVOKABLE void dumpItemTree() const

virtual bool	isTextureProvider () const
	Returns true if this item is a texture provider.

virtual QSGTextureProvider *	textureProvider () const
	Returns the texture provider for an item.

Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=nullptr)
	Constructs an object with parent object parent.

virtual	~QObject ()
	Destroys the object, deleting all its child objects.

QString	objectName () const

Q_WEAK_OVERLOAD void	setObjectName (const QString &name)
	Sets the object's name to name.

void	setObjectName (QAnyStringView name)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

QBindable< QString >	bindableObjectName ()

bool	isWidgetType () const
	Returns `true` if the object is a widget; otherwise returns `false`.

bool	isWindowType () const
	Returns `true` if the object is a window; otherwise returns `false`.

bool	isQuickItemType () const
	Returns `true` if the object is a QQuickItem; otherwise returns `false`.

bool	signalsBlocked () const noexcept
	Returns `true` if signals are blocked; otherwise returns `false`.

bool	blockSignals (bool b) noexcept
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).

QThread *	thread () const
	Returns the thread in which the object lives.

bool	moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
	Changes the thread affinity for this object and its children and returns `true` on success.

int	startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
	This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.

int	startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)

void	killTimer (int id)
	Kills the timer with timer identifier, id.

void	killTimer (Qt::TimerId id)

template<typename T >
T	findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.

template<typename T >
QList< T >	findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.

template<typename T >
T	findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

template<typename T >
QList< T >	findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

const QObjectList &	children () const
	Returns a list of child objects.

void	setParent (QObject *parent)
	Makes the object a child of parent.

void	installEventFilter (QObject *filterObj)
	Installs an event filter filterObj on this object.

void	removeEventFilter (QObject *obj)
	Removes an event filter object obj from this object.

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=nullptr, const QObject receiver=nullptr, const char *member=nullptr) const

bool	disconnect (const QObject receiver, const char member=nullptr) const

void	dumpObjectTree () const
	Dumps a tree of children to the debug output.

void	dumpObjectInfo () const
	Dumps information about signal connections, etc.

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value.

bool	setProperty (const char *name, QVariant &&value)

QVariant	property (const char *name) const
	Returns the value of the object's name property.

QList< QByteArray >	dynamicPropertyNames () const

QBindingStorage *	bindingStorage ()

const QBindingStorage *	bindingStorage () const

QObject *	parent () const
	Returns a pointer to the parent object.

bool	inherits (const char *classname) const
	Returns `true` if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns `false`.

Public Member Functions inherited from QQmlParserStatus
	QQmlParserStatus ()

virtual	~QQmlParserStatus ()

Protected Member Functions
bool	eventFilter (QObject object, QEvent event) override
	Filters events if this object has been installed as an event filter for the watched object.

void	focusInEvent (QFocusEvent *event) override
	This event handler can be reimplemented in a subclass to receive focus-in events for an item.

void	focusOutEvent (QFocusEvent *event) override
	This event handler can be reimplemented in a subclass to receive focus-out events for an item.

void	keyPressEvent (QKeyEvent *event) override
	This event handler can be reimplemented in a subclass to receive key press events for an item.

void	keyReleaseEvent (QKeyEvent *event) override
	This event handler can be reimplemented in a subclass to receive key release events for an item.

bool	event (QEvent *e) override
	This virtual function receives events to an object and should return true if the event e was recognized and processed.

void	componentComplete () override
	Invoked after the root component that caused this instantiation has completed construction.

void	itemChange (ItemChange change, const ItemChangeData &value) override
	Called when change occurs for this item.

void	fontChange (const QFont &newFont, const QFont &oldFont) override

void	contentItemChange (QQuickItem newItem, QQuickItem oldItem) override

void	localeChange (const QLocale &newLocale, const QLocale &oldLocale) override

QFont	defaultFont () const override

Protected Member Functions inherited from QQuickControl
	QQuickControl (QQuickControlPrivate &dd, QQuickItem *parent)

void	classBegin () override
	Invoked after class creation, but before any properties have been set.

void	componentComplete () override
	Invoked after the root component that caused this instantiation has completed construction.

void	itemChange (ItemChange change, const ItemChangeData &value) override
	Called when change occurs for this item.

void	focusInEvent (QFocusEvent *event) override
	This event handler can be reimplemented in a subclass to receive focus-in events for an item.

void	focusOutEvent (QFocusEvent *event) override
	This event handler can be reimplemented in a subclass to receive focus-out events for an item.

void	mousePressEvent (QMouseEvent *event) override
	This event handler can be reimplemented in a subclass to receive mouse press events for an item.

void	mouseMoveEvent (QMouseEvent *event) override
	This event handler can be reimplemented in a subclass to receive mouse move events for an item.

void	mouseReleaseEvent (QMouseEvent *event) override
	This event handler can be reimplemented in a subclass to receive mouse release events for an item.

void	mouseUngrabEvent () override
	This event handler can be reimplemented in a subclass to be notified when a mouse ungrab event has occurred on this item.

void	geometryChange (const QRectF &newGeometry, const QRectF &oldGeometry) override

virtual void	mirrorChange ()

virtual void	spacingChange (qreal newSpacing, qreal oldSpacing)

virtual void	paddingChange (const QMarginsF &newPadding, const QMarginsF &oldPadding)

virtual void	insetChange (const QMarginsF &newInset, const QMarginsF &oldInset)

virtual void	enabledChange ()

QString	accessibleName () const

void	maybeSetAccessibleName (const QString &name)

QVariant	accessibleProperty (const char *propertyName)

bool	setAccessibleProperty (const char *propertyName, const QVariant &value)

Protected Member Functions inherited from QQuickItem
bool	event (QEvent *) override
	\reimp

bool	isComponentComplete () const
	Returns true if construction of the QML component is complete; otherwise returns false.

bool	widthValid () const
	Returns whether the width property has been set explicitly.

bool	heightValid () const
	Returns whether the height property has been set explicitly.

void	setImplicitSize (qreal, qreal)

void	classBegin () override
	\reimp Derived classes should call the base class method before adding their own action to perform at classBegin.

void	componentComplete () override
	\reimp Derived classes should call the base class method before adding their own actions to perform at componentComplete.

virtual void	mouseDoubleClickEvent (QMouseEvent *event)
	This event handler can be reimplemented in a subclass to receive mouse double-click events for an item.

virtual void	touchUngrabEvent ()
	This event handler can be reimplemented in a subclass to be notified when a touch ungrab event has occurred on this item.

virtual void	touchEvent (QTouchEvent *event)
	This event handler can be reimplemented in a subclass to receive touch events for an item.

virtual void	hoverEnterEvent (QHoverEvent *event)
	This event handler can be reimplemented in a subclass to receive hover-enter events for an item.

virtual void	hoverMoveEvent (QHoverEvent *event)
	This event handler can be reimplemented in a subclass to receive hover-move events for an item.

virtual void	hoverLeaveEvent (QHoverEvent *event)
	This event handler can be reimplemented in a subclass to receive hover-leave events for an item.

virtual bool	childMouseEventFilter (QQuickItem , QEvent )
	Reimplement this method to filter the pointer events that are received by this item's children.

virtual QSGNode *	updatePaintNode (QSGNode , UpdatePaintNodeData )
	Called on the render thread when it is time to sync the state of the item with the scene graph.

virtual void	releaseResources ()
	This function is called when an item should release graphics resources which are not already managed by the nodes returned from QQuickItem::updatePaintNode().

virtual void	updatePolish ()
	This function should perform any layout as required for this item.

	QQuickItem (QQuickItemPrivate &dd, QQuickItem *parent=nullptr)

Protected Member Functions inherited from QObject
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.

int	senderSignalIndex () const

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal.

bool	isSignalConnected (const QMetaMethod &signal) const

virtual void	timerEvent (QTimerEvent *event)
	This event handler can be reimplemented in a subclass to receive timer events for the object.

virtual void	childEvent (QChildEvent *event)
	This event handler can be reimplemented in a subclass to receive child events.

virtual void	customEvent (QEvent *event)
	This event handler can be reimplemented in a subclass to receive custom events.

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	disconnectNotify (const QMetaMethod &signal)

	QObject (QObjectPrivate &dd, QObject *parent=nullptr)

Properties
int	count

QVariant	model

QQmlInstanceModel *	delegateModel

bool	pressed

int	highlightedIndex

int	currentIndex

QString	currentText

QString	displayText

QString	textRole

QQmlComponent *	delegate

QQuickItem *	indicator

QQuickPopup *	popup

bool	flat

bool	down

bool	editable

QString	editText

Qt::InputMethodHints	inputMethodHints

bool	inputMethodComposing

bool	acceptableInput

qreal	implicitIndicatorWidth

qreal	implicitIndicatorHeight

QVariant	currentValue

QString	valueRole

bool	selectTextByMouse

ImplicitContentWidthPolicy	implicitContentWidthPolicy

Properties inherited from QQuickControl
QFont	font

qreal	availableWidth

qreal	availableHeight

qreal	padding

qreal	topPadding

qreal	leftPadding

qreal	rightPadding

qreal	bottomPadding

qreal	spacing

QLocale	locale

bool	mirrored

Qt::FocusReason	focusReason

bool	visualFocus

bool	hovered

bool	hoverEnabled

bool	wheelEnabled

QQuickItem *	background

QQuickItem *	contentItem

qreal	baselineOffset

qreal	horizontalPadding

qreal	verticalPadding

qreal	implicitContentWidth

qreal	implicitContentHeight

qreal	implicitBackgroundWidth

qreal	implicitBackgroundHeight

qreal	topInset

qreal	leftInset

qreal	rightInset

qreal	bottomInset

Properties inherited from QQuickItem
QQuickItem *	parent
	\qmlproperty Item QtQuick::Item::parent This property holds the visual parent of the item.

qreal	x
	\qmlproperty real QtQuick::Item::x \qmlproperty real QtQuick::Item::y \qmlproperty real QtQuick::Item::width \qmlproperty real QtQuick::Item::height

qreal	y
	Defines the item's y position relative to its parent.

qreal	z
	\qmlproperty real QtQuick::Item::z

qreal	width
	This property holds the width of this item.

qreal	height
	This property holds the height of this item.

qreal	opacity
	\qmlproperty real QtQuick::Item::opacity

bool	enabled
	\qmlproperty bool QtQuick::Item::enabled

bool	visible
	\qmlproperty bool QtQuick::Item::visible

Qt::FocusPolicy	focusPolicy
	\qmlproperty enumeration QtQuick::Item::focusPolicy

qreal	rotation
	\qmlproperty real QtQuick::Item::rotation This property holds the rotation of the item in degrees clockwise around its transformOrigin.

qreal	scale
	\qmlproperty real QtQuick::Item::scale This property holds the scale factor for this item.

TransformOrigin	transformOrigin
	\qmlproperty enumeration QtQuick::Item::transformOrigin This property holds the origin point around which scale and rotation transform.

QPointF	transformOriginPoint

QQmlListProperty< QQuickTransform >	transform
	\qmlproperty list<Transform> QtQuick::Item::transform This property holds the list of transformations to apply.

bool	smooth
	\qmlproperty bool QtQuick::Item::smooth

bool	antialiasing
	\qmlproperty bool QtQuick::Item::antialiasing

qreal	implicitWidth

qreal	implicitHeight

QObject *	containmentMask
	\qmlproperty QObject* QtQuick::Item::containmentMask

Properties inherited from QObject
QString	objectName
	the name of this object

Additional Inherited Members
Static Public Member Functions inherited from QObject
static QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	\threadsafe

static QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	\threadsafe

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static bool	disconnect (const QMetaObject::Connection &)
	Disconnect a connection.

template<typename Func1 , typename Func2 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object receiver, Func2 slot)

template<typename Func1 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const QObject receiver, void **zero)

Public Attributes inherited from QQuickItem
const QSize &	targetSize = QSize())

qreal y	const

Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Related Symbols inherited from QObject
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.

template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 34 of file qquickcombobox_p.h.

Member Enumeration Documentation

◆ ImplicitContentWidthPolicy

enum QQuickComboBox::ImplicitContentWidthPolicy

Enumerator
ContentItemImplicitWidth
WidestText
WidestTextWhenCompleted

Definition at line 159 of file qquickcombobox_p.h.

Constructor & Destructor Documentation

◆ QQuickComboBox()

QQuickComboBox::QQuickComboBox ( QQuickItem * parent = nullptr )

explicit

Definition at line 949 of file qquickcombobox.cpp.

◆ ~QQuickComboBox()

QQuickComboBox::~QQuickComboBox ( )

Definition at line 963 of file qquickcombobox.cpp.

Member Function Documentation

◆ activated

void QQuickComboBox::activated ( int index )

signal

◆ componentComplete()

void QQuickComboBox::componentComplete ( )

overrideprotectedvirtual

Invoked after the root component that caused this instantiation has completed construction.

At this point all static values and binding values have been assigned to the class.

Implements QQmlParserStatus.

Definition at line 2164 of file qquickcombobox.cpp.

◆ contentItemChange()

void QQuickComboBox::contentItemChange	(	QQuickItem *	newItem,
		QQuickItem *	oldItem )

overrideprotectedvirtual

Reimplemented from QQuickControl.

Definition at line 2205 of file qquickcombobox.cpp.

◆ count()

int QQuickComboBox::count ( ) const

\readonly \qmlproperty int QtQuick.Controls::ComboBox::count

This property holds the number of items in the combo box.

Definition at line 982 of file qquickcombobox.cpp.

◆ countChanged

void QQuickComboBox::countChanged ( )

signal

◆ currentIndex()

int QQuickComboBox::currentIndex ( ) const

\qmlproperty int QtQuick.Controls::ComboBox::currentIndex

This property holds the index of the current item in the combo box.

The default value is -1 when \l count is 0, and 0 otherwise.

See also: activated(), currentText, highlightedIndex

Definition at line 1118 of file qquickcombobox.cpp.

◆ currentIndexChanged

void QQuickComboBox::currentIndexChanged ( )

signal

◆ currentText()

QString QQuickComboBox::currentText ( ) const

\readonly \qmlproperty string QtQuick.Controls::ComboBox::currentText

This property holds the text of the current item in the combo box.

See also: currentIndex, displayText, textRole, editText

Definition at line 1139 of file qquickcombobox.cpp.

◆ currentTextChanged

void QQuickComboBox::currentTextChanged ( )

signal

◆ currentValue()

QVariant QQuickComboBox::currentValue ( ) const

\readonly

Since: QtQuick.Controls 2.14 (Qt 5.14) \qmlproperty var QtQuick.Controls::ComboBox::currentValue

This property holds the value of the current item in the combo box.

For an example of how to use this property, see \l {ComboBox Model Roles}.

See also: currentIndex, currentText, valueRole

Definition at line 1704 of file qquickcombobox.cpp.

◆ decrementCurrentIndex

void QQuickComboBox::decrementCurrentIndex ( )

slot

\qmlmethod void QtQuick.Controls::ComboBox::decrementCurrentIndex()

Decrements the current index of the combo box, or the highlighted index if the popup list is visible.

See also: currentIndex, highlightedIndex

Definition at line 1919 of file qquickcombobox.cpp.

◆ defaultFont()

QFont QQuickComboBox::defaultFont ( ) const

overrideprotectedvirtual

Reimplemented from QQuickControl.

Definition at line 2242 of file qquickcombobox.cpp.

◆ delegate()

QQmlComponent * QQuickComboBox::delegate ( ) const

\qmlproperty Component QtQuick.Controls::ComboBox::delegate

This property holds a delegate that presents an item in the combo box popup.

It is recommended to use \l ItemDelegate (or any other \l AbstractButton derivatives) as the delegate. This ensures that the interaction works as expected, and the popup will automatically close when appropriate. When other types are used as the delegate, the popup must be closed manually. For example, if \l MouseArea is used:

delegate: Rectangle {
    // ...
    MouseArea {
        // ...
        onClicked: comboBox.popup.close()
    }
}

See also: ItemDelegate, {Customizing ComboBox}

Definition at line 1273 of file qquickcombobox.cpp.

◆ delegateChanged

void QQuickComboBox::delegateChanged ( )

signal

◆ delegateModel()

QQmlInstanceModel * QQuickComboBox::delegateModel ( ) const

\readonly \qmlproperty model QtQuick.Controls::ComboBox::delegateModel

This property holds the model that provides delegate instances for the combo box.

It is typically assigned to a \l ListView in the \l {Popup::}{contentItem} of the \l popup.

See also: {Customizing ComboBox}

Definition at line 1054 of file qquickcombobox.cpp.

◆ delegateModelChanged

void QQuickComboBox::delegateModelChanged ( )

signal

◆ displayText()

QString QQuickComboBox::displayText ( ) const

\qmlproperty string QtQuick.Controls::ComboBox::displayText

This property holds the text that is displayed on the combo box button.

By default, the display text presents the current selection. That is, it follows the text of the current item. However, the default display text can be overridden with a custom value.

ComboBox {
    currentIndex: 1
    displayText: "Size: " + currentText
    model: ["S", "M", "L"]
}

See also: currentText, textRole

Definition at line 1164 of file qquickcombobox.cpp.

◆ displayTextChanged

void QQuickComboBox::displayTextChanged ( )

signal

◆ editText()

QString QQuickComboBox::editText ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty string QtQuick.Controls::ComboBox::editText

This property holds the text in the text field of an editable combo box.

See also: editable, currentText, displayText

Definition at line 1519 of file qquickcombobox.cpp.

◆ event()

bool QQuickComboBox::event ( QEvent * e )

overrideprotectedvirtual

This virtual function receives events to an object and should return true if the event e was recognized and processed.

The event() function can be reimplemented to customize the behavior of an object.

Make sure you call the parent event class implementation for all the events you did not handle.

Example:

class MyClass : public QWidget
{
    Q_OBJECT
 
public:
    MyClass(QWidget *parent = nullptr);
    ~MyClass();
 
    bool event(QEvent* ev) override
    {
        if (ev->type() == QEvent::PolishRequest) {
            // overwrite handling of PolishRequest if any
            doThings();
            return true;
        } else  if (ev->type() == QEvent::Show) {
            // complement handling of Show if any
            doThings2();
            QWidget::event(ev);
            return true;
        }
        // Make sure the rest of events are handled
        return QWidget::event(ev);
    }
};

See also: installEventFilter(), timerEvent(), QCoreApplication::sendEvent(), QCoreApplication::postEvent()

Reimplemented from QObject.

Definition at line 2156 of file qquickcombobox.cpp.

◆ eventFilter()

bool QQuickComboBox::eventFilter	(	QObject *	watched,
		QEvent *	event )

overrideprotectedvirtual

Filters events if this object has been installed as an event filter for the watched object.

In your reimplementation of this function, if you want to filter the event out, i.e. stop it being handled further, return true; otherwise return false.

Example:

class MainWindow : public QMainWindow
{
public:
    MainWindow();
 
protected:
    bool eventFilter(QObject *obj, QEvent *ev) override;
 
private:
    QTextEdit *textEdit;
};
 
MainWindow::MainWindow()
{
    textEdit = new QTextEdit;
    setCentralWidget(textEdit);
 
    textEdit->installEventFilter(this);
}
 
bool MainWindow::eventFilter(QObject *obj, QEvent *event)
{
    if (obj == textEdit) {
        if (event->type() == QEvent::KeyPress) {
            QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
            qDebug() << "Ate key press" << keyEvent->key();
            return true;
        } else {
            return false;
        }
    } else {
        // pass the event on to the parent class
        return QMainWindow::eventFilter(obj, event);
    }
}

Notice in the example above that unhandled events are passed to the base class's eventFilter() function, since the base class might have reimplemented eventFilter() for its own internal purposes.

Some events, such as \l QEvent::ShortcutOverride must be explicitly accepted (by calling \l {QEvent::}{accept()} on them) in order to prevent propagation.

Warning: If you delete the receiver object in this function, be sure to return true. Otherwise, Qt will forward the event to the deleted object and the program might crash.

See also: installEventFilter()

Reimplemented from QObject.

Definition at line 1942 of file qquickcombobox.cpp.

◆ find()

int QQuickComboBox::find	(	const QString &	text,
		Qt::MatchFlags	flags = Qt::MatchExactly ) const

\qmlmethod int QtQuick.Controls::ComboBox::find(string text, enumeration flags)

Returns the index of the specified text, or -1 if no match is found.

The way the search is performed is defined by the specified match flags. By default, combo box performs case sensitive exact matching (Qt.MatchExactly). All other match types are case-insensitive unless the Qt.MatchCaseSensitive flag is also specified.

\value Qt.MatchExactly The search term matches exactly (default). \value Qt.MatchRegularExpression The search term matches as a regular expression. \value Qt.MatchWildcard The search term matches using wildcards. \value Qt.MatchFixedString The search term matches as a fixed string. \value Qt.MatchStartsWith The search term matches the start of the item. \value Qt.MatchEndsWith The search term matches the end of the item. \value Qt.MatchContains The search term is contained in the item. \value Qt.MatchCaseSensitive The search is case sensitive.

functions-after-component-completion For example:

ComboBox {
    model: ListModel {
        ListElement { text: "Banana" }
        ListElement { text: "Apple" }
        ListElement { text: "Coconut" }
    }
    Component.onCompleted: currentIndex = find("Coconut")
}

See also: textRole

Definition at line 1891 of file qquickcombobox.cpp.

◆ focusInEvent()

void QQuickComboBox::focusInEvent ( QFocusEvent * event )

overrideprotectedvirtual

This event handler can be reimplemented in a subclass to receive focus-in events for an item.

The event information is provided by the event parameter.

\input item.qdocinc accepting-events

If you do reimplement this function, you should call the base class implementation.

Reimplemented from QQuickItem.

Definition at line 1990 of file qquickcombobox.cpp.

◆ focusOutEvent()

void QQuickComboBox::focusOutEvent ( QFocusEvent * event )

overrideprotectedvirtual

This event handler can be reimplemented in a subclass to receive focus-out events for an item.

The event information is provided by the event parameter.

\input item.qdocinc accepting-events

Reimplemented from QQuickItem.

Definition at line 2002 of file qquickcombobox.cpp.

◆ fontChange()

void QQuickComboBox::fontChange	(	const QFont &	newFont,
		const QFont &	oldFont )

overrideprotectedvirtual

Reimplemented from QQuickControl.

Definition at line 2198 of file qquickcombobox.cpp.

◆ hasAcceptableInput()

bool QQuickComboBox::hasAcceptableInput ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty bool QtQuick.Controls::ComboBox::acceptableInput \readonly

This property holds whether the combo box contains acceptable text in the editable text field.

If a validator has been set, the value is true only if the current text is acceptable to the validator as a final string (not as an intermediate string).

See also: validator, accepted

Definition at line 1643 of file qquickcombobox.cpp.

◆ highlighted

void QQuickComboBox::highlighted ( int index )

signal

◆ highlightedIndex()

int QQuickComboBox::highlightedIndex ( ) const

\readonly \qmlproperty int QtQuick.Controls::ComboBox::highlightedIndex

This property holds the index of the highlighted item in the combo box popup list.

When a highlighted item is activated, the popup is closed, \l currentIndex is set to highlightedIndex, and the value of this property is reset to -1, as there is no longer a highlighted item.

See also: highlighted(), currentIndex

Definition at line 1103 of file qquickcombobox.cpp.

◆ highlightedIndexChanged

void QQuickComboBox::highlightedIndexChanged ( )

signal

◆ implicitContentWidthPolicy()

QQuickComboBox::ImplicitContentWidthPolicy QQuickComboBox::implicitContentWidthPolicy ( ) const

Since: QtQuick.Controls 6.0 (Qt 6.0) \qmlproperty enumeration QtQuick.Controls::ComboBox::implicitContentWidthPolicy

This property controls how the \l{Control::}{implicitContentWidth} of the ComboBox is calculated.

When the width of a ComboBox is not large enough to display text, that text is elided. Depending on which parts of the text are elided, this can make selecting an item difficult for the end user. An efficient way of ensuring that a ComboBox is wide enough to avoid text being elided is to set a width that is known to be large enough:

width: 300

implicitContentWidthPolicy: ComboBox.ContentItemImplicitWidth

QQuickComboBox::implicitContentWidthPolicy

ImplicitContentWidthPolicy implicitContentWidthPolicy

Definition qquickcombobox_p.h:72

QQuickItem::width

qreal width

This property holds the width of this item.

Definition qquickitem.h:75

However, it is often not possible to know whether or not a hard-coded value will be large enough, as the size of text depends on many factors, such as font family, font size, translations, and so on.

implicitContentWidthPolicy provides an easy way to control how the implicitContentWidth is calculated, which in turn affects the \l{Item::}{implicitWidth} of the ComboBox and ensures that text will not be elided.

The available values are:

\value ContentItemImplicitWidth The implicitContentWidth will default to that of the \l{Control::}{contentItem}. This is the most efficient option, as no extra text layout is done. \value WidestText The implicitContentWidth will be set to the implicit width of the the largest text for the given \l textRole every time the model changes. This option should be used with smaller models, as it can be expensive. \value WidestTextWhenCompleted The implicitContentWidth will be set to the implicit width of the the largest text for the given \l textRole once after \l {QQmlParserStatus::componentComplete()}{component completion}. This option should be used with smaller models, as it can be expensive.

The default value is ContentItemImplicitWidth.

As this property only affects the implicitWidth of the ComboBox, setting an explicit \l{Item::}{width} can still result in eliding.

Note: This feature requires the contentItem to be a type derived from \l TextInput.; This feature requires text to be laid out, and can therefore be expensive for large models or models whose contents are updated frequently.

Definition at line 1830 of file qquickcombobox.cpp.

◆ implicitIndicatorHeight()

qreal QQuickComboBox::implicitIndicatorHeight ( ) const

Since: QtQuick.Controls 2.5 (Qt 5.12) \qmlproperty real QtQuick.Controls::ComboBox::implicitIndicatorHeight \readonly

This property holds the implicit indicator height.

The value is equal to {indicator ? indicator.implicitHeight : 0}.

This is typically used, together with \l {Control::}{implicitContentHeight} and \l {Control::}{implicitBackgroundHeight}, to calculate the \l {Item::}{implicitHeight}.

See also: implicitIndicatorWidth

Definition at line 1685 of file qquickcombobox.cpp.

◆ implicitIndicatorWidth()

qreal QQuickComboBox::implicitIndicatorWidth ( ) const

Since: QtQuick.Controls 2.5 (Qt 5.12) \qmlproperty real QtQuick.Controls::ComboBox::implicitIndicatorWidth \readonly

This property holds the implicit indicator width.

The value is equal to {indicator ? indicator.implicitWidth : 0}.

This is typically used, together with \l {Control::}{implicitContentWidth} and \l {Control::}{implicitBackgroundWidth}, to calculate the \l {Item::}{implicitWidth}.

See also: implicitIndicatorHeight

Definition at line 1663 of file qquickcombobox.cpp.

◆ incrementCurrentIndex

void QQuickComboBox::incrementCurrentIndex ( )

slot

\qmlmethod void QtQuick.Controls::ComboBox::incrementCurrentIndex()

Increments the current index of the combo box, or the highlighted index if the popup list is visible.

See also: currentIndex, highlightedIndex

Definition at line 1905 of file qquickcombobox.cpp.

◆ indicator()

QQuickItem * QQuickComboBox::indicator ( ) const

\qmlproperty Item QtQuick.Controls::ComboBox::indicator

This property holds the drop indicator item.

See also: {Customizing ComboBox}

Definition at line 1300 of file qquickcombobox.cpp.

◆ indicatorChanged

void QQuickComboBox::indicatorChanged ( )

signal

◆ inputMethodHints()

Qt::InputMethodHints QQuickComboBox::inputMethodHints ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty flags QtQuick.Controls::ComboBox::inputMethodHints

Provides hints to the input method about the expected content of the combo box and how it should operate.

The default value is Qt.ImhNoPredictiveText.

Definition at line 1602 of file qquickcombobox.cpp.

◆ isDown()

bool QQuickComboBox::isDown ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty bool QtQuick.Controls::ComboBox::down

This property holds whether the combo box button is visually down.

Unless explicitly set, this property is true when either pressed or popup.visible is true. To return to the default value, set this property to undefined.

See also: pressed, popup

Definition at line 1434 of file qquickcombobox.cpp.

◆ isEditable()

bool QQuickComboBox::isEditable ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty bool QtQuick.Controls::ComboBox::editable

This property holds whether the combo box is editable.

The default value is false.

See also: validator

Definition at line 1472 of file qquickcombobox.cpp.

◆ isFlat()

bool QQuickComboBox::isFlat ( ) const

Since: QtQuick.Controls 2.1 (Qt 5.8) \qmlproperty bool QtQuick.Controls::ComboBox::flat

This property holds whether the combo box button is flat.

A flat combo box button does not draw a background unless it is interacted with. In comparison to normal combo boxes, flat combo boxes provide looks that make them stand out less from the rest of the UI. For instance, when placing a combo box into a tool bar, it may be desirable to make the combo box flat so it matches better with the flat looks of tool buttons.

The default value is false.

Definition at line 1406 of file qquickcombobox.cpp.

◆ isInputMethodComposing()

bool QQuickComboBox::isInputMethodComposing ( ) const

Since: QtQuick.Controls 2.2 (Qt 5.9) \qmlproperty bool QtQuick.Controls::ComboBox::inputMethodComposing \readonly

This property holds whether an editable combo box has partial text input from an input method.

While it is composing, an input method may rely on mouse or key events from the combo box to edit or commit the partial text. This property can be used to determine when to disable event handlers that may interfere with the correct operation of an input method.

Definition at line 1625 of file qquickcombobox.cpp.

◆ isPressed()

bool QQuickComboBox::isPressed ( ) const

\readonly \qmlproperty bool QtQuick.Controls::ComboBox::pressed

This property holds whether the combo box button is physically pressed. A button can be pressed by either touch or key events.

See also: down

Definition at line 1070 of file qquickcombobox.cpp.

◆ itemChange()

void QQuickComboBox::itemChange	(	QQuickItem::ItemChange	change,
		const ItemChangeData &	value )

overrideprotectedvirtual

Called when change occurs for this item.

value contains extra information relating to the change, when applicable.

If you re-implement this method in a subclass, be sure to call

QQuickItem::itemChange(change, value);

QQuickItem::itemChange

virtual void itemChange(ItemChange, const ItemChangeData &)

Called when change occurs for this item.

Definition qquickitem.cpp:5793

value

EGLOutputLayerEXT EGLint EGLAttrib value

[5]

Definition qeglstreamconvenience_p.h:46

typically at the end of your implementation, to ensure the \l windowChanged() signal will be emitted.

Reimplemented from QQuickItem.

Definition at line 2188 of file qquickcombobox.cpp.

◆ keyPressEvent()

void QQuickComboBox::keyPressEvent ( QKeyEvent * event )

overrideprotectedvirtual

This event handler can be reimplemented in a subclass to receive key press events for an item.

The event information is provided by the event parameter.

\input item.qdocinc accepting-events

Reimplemented from QQuickItem.

Definition at line 2030 of file qquickcombobox.cpp.

◆ keyReleaseEvent()

void QQuickComboBox::keyReleaseEvent ( QKeyEvent * event )

overrideprotectedvirtual

This event handler can be reimplemented in a subclass to receive key release events for an item.

The event information is provided by the event parameter.

\input item.qdocinc accepting-events

Reimplemented from QQuickItem.

Definition at line 2098 of file qquickcombobox.cpp.

◆ localeChange()

void QQuickComboBox::localeChange	(	const QLocale &	newLocale,
		const QLocale &	oldLocale )

overrideprotectedvirtual

Reimplemented from QQuickControl.

Definition at line 2233 of file qquickcombobox.cpp.

◆ model()

QVariant QQuickComboBox::model ( ) const

\qmlproperty model QtQuick.Controls::ComboBox::model

This property holds the model providing data for the combo box.

ComboBox {
    textRole: "key"
    model: ListModel {
        ListElement { key: "First"; value: 123 }
        ListElement { key: "Second"; value: 456 }
        ListElement { key: "Third"; value: 789 }
    }
}

See also: textRole, {qml-data-models}{Data Models}

Definition at line 1006 of file qquickcombobox.cpp.

◆ modelChanged

void QQuickComboBox::modelChanged ( )

signal

◆ popup()

QQuickPopup * QQuickComboBox::popup ( ) const

\qmlproperty Popup QtQuick.Controls::ComboBox::popup

This property holds the popup.

The popup can be opened or closed manually, if necessary:

onSpecialEvent: comboBox.popup.close()

See also: {Customizing ComboBox}

Definition at line 1352 of file qquickcombobox.cpp.

◆ popupChanged

void QQuickComboBox::popupChanged ( )

signal

◆ pressedChanged

void QQuickComboBox::pressedChanged ( )

signal

◆ Q_REVISION [1/17]

QQuickComboBox::Q_REVISION	(	2	,
		1	)

signal

◆ Q_REVISION() [2/17]

QQuickComboBox::Q_REVISION	(	2	,
		14	) const &

◆ Q_REVISION() [3/17]

QQuickComboBox::Q_REVISION	(	2	,
		14	) const

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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
		2	)

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QQuickComboBox::Q_REVISION	(	2	,
		2	)

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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	2	,
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QQuickComboBox::Q_REVISION	(	6	,
		0	)

signal

◆ resetDisplayText()

void QQuickComboBox::resetDisplayText ( )

Definition at line 1182 of file qquickcombobox.cpp.

◆ resetDown()

void QQuickComboBox::resetDown ( )

Definition at line 1452 of file qquickcombobox.cpp.

◆ resetEditText()

void QQuickComboBox::resetEditText ( )

Definition at line 1535 of file qquickcombobox.cpp.

◆ selectTextByMouse()

bool QQuickComboBox::selectTextByMouse ( ) const

Since: QtQuick.Controls 2.15 (Qt 5.15) \qmlproperty bool QtQuick.Controls::ComboBox::selectTextByMouse

This property holds whether the text field for an editable ComboBox can be selected with the mouse.

The default value is false.

Definition at line 1760 of file qquickcombobox.cpp.

◆ setCurrentIndex()

void QQuickComboBox::setCurrentIndex ( int index )

Definition at line 1124 of file qquickcombobox.cpp.

◆ setDelegate()

void QQuickComboBox::setDelegate ( QQmlComponent * delegate )

Definition at line 1279 of file qquickcombobox.cpp.

◆ setDisplayText()

void QQuickComboBox::setDisplayText ( const QString & text )

Definition at line 1170 of file qquickcombobox.cpp.

◆ setDown()

void QQuickComboBox::setDown ( bool down )

Definition at line 1440 of file qquickcombobox.cpp.

◆ setEditable()

void QQuickComboBox::setEditable ( bool editable )

Definition at line 1478 of file qquickcombobox.cpp.

◆ setEditText()

void QQuickComboBox::setEditText ( const QString & text )

Definition at line 1525 of file qquickcombobox.cpp.

◆ setFlat()

void QQuickComboBox::setFlat ( bool flat )

Definition at line 1412 of file qquickcombobox.cpp.

◆ setImplicitContentWidthPolicy()

void QQuickComboBox::setImplicitContentWidthPolicy ( QQuickComboBox::ImplicitContentWidthPolicy policy )

Definition at line 1836 of file qquickcombobox.cpp.

◆ setIndicator()

void QQuickComboBox::setIndicator ( QQuickItem * indicator )

Definition at line 1308 of file qquickcombobox.cpp.

◆ setInputMethodHints()

void QQuickComboBox::setInputMethodHints ( Qt::InputMethodHints hints )

Definition at line 1608 of file qquickcombobox.cpp.

◆ setModel()

void QQuickComboBox::setModel ( const QVariant & model )

Definition at line 1012 of file qquickcombobox.cpp.

◆ setPopup()

void QQuickComboBox::setPopup ( QQuickPopup * popup )

Definition at line 1360 of file qquickcombobox.cpp.

◆ setPressed()

void QQuickComboBox::setPressed ( bool pressed )

Definition at line 1076 of file qquickcombobox.cpp.

◆ setSelectTextByMouse()

void QQuickComboBox::setSelectTextByMouse ( bool canSelect )

Definition at line 1766 of file qquickcombobox.cpp.

◆ setTextRole()

void QQuickComboBox::setTextRole ( const QString & role )

Definition at line 1209 of file qquickcombobox.cpp.

◆ setValueRole()

void QQuickComboBox::setValueRole ( const QString & role )

Definition at line 1238 of file qquickcombobox.cpp.

◆ textAt()

QString QQuickComboBox::textAt ( int index ) const

\qmlmethod string QtQuick.Controls::ComboBox::textAt(int index)

Returns the text for the specified index, or an empty string if the index is out of bounds.

functions-after-component-completion For example:

ComboBox {
    model: ListModel {
        ListElement { text: "Banana" }
        ListElement { text: "Apple" }
        ListElement { text: "Coconut" }
    }
    onActivated: (index) => { print(textAt(index)) }
}

See also: textRole

Definition at line 1858 of file qquickcombobox.cpp.

◆ textRole()

QString QQuickComboBox::textRole ( ) const

\qmlproperty string QtQuick.Controls::ComboBox::textRole

This property holds the model role used for populating the combo box.

When the model has multiple roles, textRole can be set to determine which role should be displayed.

See also: model, currentText, displayText, {ComboBox Model Roles}

Definition at line 1203 of file qquickcombobox.cpp.

◆ textRoleChanged

void QQuickComboBox::textRoleChanged ( )

signal

◆ valueRole()

QString QQuickComboBox::valueRole ( ) const

Since: QtQuick.Controls 2.14 (Qt 5.14) \qmlproperty string QtQuick.Controls::ComboBox::valueRole

This property holds the model role used for storing the value associated with each item in the model.

For an example of how to use this property, see \l {ComboBox Model Roles}.

See also: model, currentValue

readwrite

Definition at line 45 of file qquickcombobox_p.h.

◆ valueRole

QString QQuickComboBox::valueRole

readwrite

Definition at line 67 of file qquickcombobox_p.h.

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

qtdeclarative/src/quicktemplates/qquickcombobox_p.h (82971e75b8e55ea14b6cbdb77ba6f280cd0c7bd5)
qtdeclarative/src/quicktemplates/qquickcombobox.cpp (07ebdaf11dbb39a02b271501bf1a5a0f91991c5a)

Public Types

Public Slots

Signals

Public Member Functions

Protected Member Functions

Properties

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ImplicitContentWidthPolicy

Constructor & Destructor Documentation

◆ QQuickComboBox()

◆ ~QQuickComboBox()

Member Function Documentation

◆ activated

◆ componentComplete()

◆ contentItemChange()

◆ count()

◆ countChanged

◆ currentIndex()

◆ currentIndexChanged

◆ currentText()

◆ currentTextChanged

◆ currentValue()

◆ decrementCurrentIndex

◆ defaultFont()

◆ delegate()

◆ delegateChanged

◆ delegateModel()

◆ delegateModelChanged

◆ displayText()

◆ displayTextChanged

◆ editText()

◆ event()

◆ eventFilter()

◆ find()

◆ focusInEvent()

◆ focusOutEvent()

◆ fontChange()

◆ hasAcceptableInput()

◆ highlighted

◆ highlightedIndex()

◆ highlightedIndexChanged

◆ implicitContentWidthPolicy()

◆ implicitIndicatorHeight()

◆ implicitIndicatorWidth()

◆ incrementCurrentIndex

◆ indicator()

◆ indicatorChanged

◆ inputMethodHints()

◆ isDown()

◆ isEditable()

◆ isFlat()

◆ isInputMethodComposing()

◆ isPressed()

◆ itemChange()

◆ keyPressEvent()

◆ keyReleaseEvent()

◆ localeChange()

◆ model()

◆ modelChanged

◆ popup()

◆ popupChanged

◆ pressedChanged

◆ Q_REVISION [1/17]

◆ Q_REVISION() [2/17]

◆ Q_REVISION() [3/17]

◆ Q_REVISION [4/17]

◆ Q_REVISION [5/17]

◆ Q_REVISION [6/17]

◆ Q_REVISION [7/17]

◆ Q_REVISION [8/17]

◆ Q_REVISION [9/17]

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◆ Q_REVISION [16/17]