The QSpinBox class provides a spin box widget. More...

#include <qspinbox.h>

Inheritance diagram for QSpinBox:

Collaboration diagram for QSpinBox:

Public Slots
void	setValue (int val)

Public Slots inherited from QAbstractSpinBox
void	stepUp ()

void	stepDown ()

void	selectAll ()

virtual void	clear ()

Public Slots inherited from QWidget
void	setEnabled (bool)

void	setDisabled (bool)

void	setWindowModified (bool)

void	setWindowTitle (const QString &)

void	setStyleSheet (const QString &styleSheet)

void	setFocus ()

void	update ()

void	repaint ()

virtual void	setVisible (bool visible)

void	setHidden (bool hidden)

void	show ()

void	hide ()

void	showMinimized ()

void	showMaximized ()

void	showFullScreen ()

void	showNormal ()

bool	close ()

void	raise ()

void	lower ()

Public Slots inherited from QObject
void	deleteLater ()

Signals
void	valueChanged (int)

void	textChanged (const QString &)

Signals inherited from QAbstractSpinBox
void	editingFinished ()

Signals inherited from QWidget
void	windowTitleChanged (const QString &title)

void	windowIconChanged (const QIcon &icon)

void	windowIconTextChanged (const QString &iconText)

void	customContextMenuRequested (const QPoint &pos)

Signals inherited from QObject
void	destroyed (QObject *=nullptr)

void	objectNameChanged (const QString &objectName, QPrivateSignal)

Public Member Functions
	QSpinBox (QWidget *parent=nullptr)

	~QSpinBox ()

int	value () const

QString	prefix () const

void	setPrefix (const QString &prefix)

QString	suffix () const

void	setSuffix (const QString &suffix)

QString	cleanText () const

int	singleStep () const

void	setSingleStep (int val)

int	minimum () const

void	setMinimum (int min)

int	maximum () const

void	setMaximum (int max)

void	setRange (int min, int max)

StepType	stepType () const

void	setStepType (StepType stepType)

int	displayIntegerBase () const

void	setDisplayIntegerBase (int base)

Public Member Functions inherited from QAbstractSpinBox
	QAbstractSpinBox (QWidget *parent=nullptr)

	~QAbstractSpinBox ()

ButtonSymbols	buttonSymbols () const

void	setButtonSymbols (ButtonSymbols bs)

void	setCorrectionMode (CorrectionMode cm)

CorrectionMode	correctionMode () const

bool	hasAcceptableInput () const

QString	text () const

QString	specialValueText () const

void	setSpecialValueText (const QString &txt)

bool	wrapping () const

void	setWrapping (bool w)

void	setReadOnly (bool r)

bool	isReadOnly () const

void	setKeyboardTracking (bool kt)

bool	keyboardTracking () const

void	setAlignment (Qt::Alignment flag)

Qt::Alignment	alignment () const

void	setFrame (bool)

bool	hasFrame () const

void	setAccelerated (bool on)

bool	isAccelerated () const

void	setGroupSeparatorShown (bool shown)

bool	isGroupSeparatorShown () const

QSize	sizeHint () const override

QSize	minimumSizeHint () const override

void	interpretText ()

QVariant	inputMethodQuery (Qt::InputMethodQuery) const override

virtual void	stepBy (int steps)

Public Member Functions inherited from QWidget
	QWidget (QWidget *parent=nullptr, Qt::WindowFlags f=Qt::WindowFlags())

	~QWidget ()

int	devType () const override

WId	winId () const

void	createWinId ()

WId	internalWinId () const

WId	effectiveWinId () const

QStyle *	style () const

void	setStyle (QStyle *)

bool	isWindow () const

bool	isModal () const

Qt::WindowModality	windowModality () const

void	setWindowModality (Qt::WindowModality windowModality)

bool	isEnabled () const

bool	isEnabledTo (const QWidget *) const

QRect	frameGeometry () const

const QRect &	geometry () const

QRect	normalGeometry () const

int	x () const

int	y () const

QPoint	pos () const

QSize	frameSize () const

QSize	size () const

int	width () const

int	height () const

QRect	rect () const

QRect	childrenRect () const

QRegion	childrenRegion () const

QSize	minimumSize () const

QSize	maximumSize () const

int	minimumWidth () const

int	minimumHeight () const

int	maximumWidth () const

int	maximumHeight () const

void	setMinimumSize (const QSize &)

void	setMinimumSize (int minw, int minh)

void	setMaximumSize (const QSize &)

void	setMaximumSize (int maxw, int maxh)

void	setMinimumWidth (int minw)

void	setMinimumHeight (int minh)

void	setMaximumWidth (int maxw)

void	setMaximumHeight (int maxh)

QSize	sizeIncrement () const

void	setSizeIncrement (const QSize &)

void	setSizeIncrement (int w, int h)

QSize	baseSize () const

void	setBaseSize (const QSize &)

void	setBaseSize (int basew, int baseh)

void	setFixedSize (const QSize &)

void	setFixedSize (int w, int h)

void	setFixedWidth (int w)

void	setFixedHeight (int h)

QPointF	mapToGlobal (const QPointF &) const

QPoint	mapToGlobal (const QPoint &) const

QPointF	mapFromGlobal (const QPointF &) const

QPoint	mapFromGlobal (const QPoint &) const

QPointF	mapToParent (const QPointF &) const

QPoint	mapToParent (const QPoint &) const

QPointF	mapFromParent (const QPointF &) const

QPoint	mapFromParent (const QPoint &) const

QPointF	mapTo (const QWidget *, const QPointF &) const

QPoint	mapTo (const QWidget *, const QPoint &) const

QPointF	mapFrom (const QWidget *, const QPointF &) const

QPoint	mapFrom (const QWidget *, const QPoint &) const

QWidget *	window () const

QWidget *	nativeParentWidget () const

QWidget *	topLevelWidget () const

const QPalette &	palette () const

void	setPalette (const QPalette &)

void	setBackgroundRole (QPalette::ColorRole)

QPalette::ColorRole	backgroundRole () const

void	setForegroundRole (QPalette::ColorRole)

QPalette::ColorRole	foregroundRole () const

const QFont &	font () const

void	setFont (const QFont &)

QFontMetrics	fontMetrics () const

QFontInfo	fontInfo () const

QCursor	cursor () const

void	setCursor (const QCursor &)

void	unsetCursor ()

void	setMouseTracking (bool enable)

bool	hasMouseTracking () const

bool	underMouse () const

void	setTabletTracking (bool enable)

bool	hasTabletTracking () const

void	setMask (const QBitmap &)

void	setMask (const QRegion &)

QRegion	mask () const

void	clearMask ()

void	render (QPaintDevice *target, const QPoint &targetOffset=QPoint(), const QRegion &sourceRegion=QRegion(), RenderFlags renderFlags=RenderFlags(DrawWindowBackground\|DrawChildren))

void	render (QPainter *painter, const QPoint &targetOffset=QPoint(), const QRegion &sourceRegion=QRegion(), RenderFlags renderFlags=RenderFlags(DrawWindowBackground\|DrawChildren))

Q_INVOKABLE QPixmap	grab (const QRect &rectangle=QRect(QPoint(0, 0), QSize(-1, -1)))

void	grabGesture (Qt::GestureType type, Qt::GestureFlags flags=Qt::GestureFlags())

void	ungrabGesture (Qt::GestureType type)

QString	styleSheet () const

QString	windowTitle () const

void	setWindowIcon (const QIcon &icon)

QIcon	windowIcon () const

void	setWindowIconText (const QString &)

QString	windowIconText () const

void	setWindowRole (const QString &)

QString	windowRole () const

void	setWindowFilePath (const QString &filePath)

QString	windowFilePath () const

void	setWindowOpacity (qreal level)

qreal	windowOpacity () const

bool	isWindowModified () const

QString	accessibleName () const

void	setAccessibleName (const QString &name)

QString	accessibleDescription () const

void	setAccessibleDescription (const QString &description)

void	setLayoutDirection (Qt::LayoutDirection direction)

Qt::LayoutDirection	layoutDirection () const

void	unsetLayoutDirection ()

void	setLocale (const QLocale &locale)

QLocale	locale () const

void	unsetLocale ()

bool	isRightToLeft () const

bool	isLeftToRight () const

bool	isActiveWindow () const

void	activateWindow ()

void	clearFocus ()

void	setFocus (Qt::FocusReason reason)

Qt::FocusPolicy	focusPolicy () const

void	setFocusPolicy (Qt::FocusPolicy policy)

bool	hasFocus () const

void	setFocusProxy (QWidget *)

QWidget *	focusProxy () const

Qt::ContextMenuPolicy	contextMenuPolicy () const

void	setContextMenuPolicy (Qt::ContextMenuPolicy policy)

void	grabMouse ()

void	grabMouse (const QCursor &)

void	releaseMouse ()

void	grabKeyboard ()

void	releaseKeyboard ()

int	grabShortcut (const QKeySequence &key, Qt::ShortcutContext context=Qt::WindowShortcut)

void	releaseShortcut (int id)

void	setShortcutEnabled (int id, bool enable=true)

void	setShortcutAutoRepeat (int id, bool enable=true)

bool	updatesEnabled () const

void	setUpdatesEnabled (bool enable)

void	update (int x, int y, int w, int h)

void	update (const QRect &)

void	update (const QRegion &)

void	repaint (int x, int y, int w, int h)

void	repaint (const QRect &)

void	repaint (const QRegion &)

void	stackUnder (QWidget *)

void	move (int x, int y)

void	move (const QPoint &)

void	resize (int w, int h)

void	resize (const QSize &)

void	setGeometry (int x, int y, int w, int h)

void	setGeometry (const QRect &)

QByteArray	saveGeometry () const

bool	restoreGeometry (const QByteArray &geometry)

void	adjustSize ()

bool	isVisible () const

bool	isVisibleTo (const QWidget *) const

bool	isHidden () const

bool	isMinimized () const

bool	isMaximized () const

bool	isFullScreen () const

Qt::WindowStates	windowState () const

void	setWindowState (Qt::WindowStates state)

void	overrideWindowState (Qt::WindowStates state)

QSizePolicy	sizePolicy () const

void	setSizePolicy (QSizePolicy)

void	setSizePolicy (QSizePolicy::Policy horizontal, QSizePolicy::Policy vertical)

virtual int	heightForWidth (int) const

virtual bool	hasHeightForWidth () const

QRegion	visibleRegion () const

void	setContentsMargins (int left, int top, int right, int bottom)

void	setContentsMargins (const QMargins &margins)
	The setContentsMargins function sets the margins around the widget's contents. More...

QMargins	contentsMargins () const
	The contentsMargins function returns the widget's contents margins. More...

QRect	contentsRect () const

QLayout *	layout () const

void	setLayout (QLayout *)

void	updateGeometry ()

void	setParent (QWidget *parent)

void	setParent (QWidget *parent, Qt::WindowFlags f)

void	scroll (int dx, int dy)

void	scroll (int dx, int dy, const QRect &)

QWidget *	focusWidget () const

QWidget *	nextInFocusChain () const

QWidget *	previousInFocusChain () const
	The previousInFocusChain function returns the previous widget in this widget's focus chain. More...

bool	acceptDrops () const

void	setAcceptDrops (bool on)

void	addAction (QAction *action)

void	addActions (const QList< QAction * > &actions)

void	insertActions (QAction before, const QList< QAction > &actions)

void	insertAction (QAction before, QAction action)

void	removeAction (QAction *action)

QList< QAction * >	actions () const

QAction *	addAction (const QString &text)

QAction *	addAction (const QIcon &icon, const QString &text)

QAction *	addAction (const QString &text, const QObject receiver, const char member, Qt::ConnectionType type=Qt::AutoConnection)

QAction *	addAction (const QIcon &icon, const QString &text, const QObject receiver, const char member, Qt::ConnectionType type=Qt::AutoConnection)

template<typename... Args, typename = compatible_action_slot_args<Args...>>
QAction *	addAction (const QString &text, Args &&...args)

template<typename... Args, typename = compatible_action_slot_args<Args...>>
QAction *	addAction (const QIcon &icon, const QString &text, Args &&...args)

QWidget *	parentWidget () const

void	setWindowFlags (Qt::WindowFlags type)

Qt::WindowFlags	windowFlags () const

void	setWindowFlag (Qt::WindowType, bool on=true)

void	overrideWindowFlags (Qt::WindowFlags type)

Qt::WindowType	windowType () const

QWidget *	childAt (int x, int y) const

QWidget *	childAt (const QPoint &p) const

void	setAttribute (Qt::WidgetAttribute, bool on=true)

bool	testAttribute (Qt::WidgetAttribute) const

QPaintEngine *	paintEngine () const override

void	ensurePolished () const

bool	isAncestorOf (const QWidget *child) const

bool	autoFillBackground () const

void	setAutoFillBackground (bool enabled)

QBackingStore *	backingStore () const

QWindow *	windowHandle () const

QScreen *	screen () const

void	setScreen (QScreen *)

Qt::InputMethodHints	inputMethodHints () const

void	setInputMethodHints (Qt::InputMethodHints hints)

Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=nullptr)

virtual	~QObject ()

virtual bool	eventFilter (QObject watched, QEvent event)

QString	objectName () const

void	setObjectName (const QString &name)

QBindable< QString >	bindableObjectName ()

bool	isWidgetType () const

bool	isWindowType () const

bool	signalsBlocked () const noexcept

bool	blockSignals (bool b) noexcept

QThread *	thread () const

void	moveToThread (QThread *thread)

int	startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)

void	killTimer (int id)

template<typename T >
T	findChild (const QString &aName=QString(), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const

template<typename T >
QList< T >	findChildren (const QString &aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const

template<typename T >
QList< T >	findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const

const QObjectList &	children () const

void	setParent (QObject *parent)

void	installEventFilter (QObject *filterObj)

void	removeEventFilter (QObject *obj)

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

void	dumpObjectInfo () const

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

QVariant	property (const char *name) const

QList< QByteArray >	dynamicPropertyNames () const

QBindingStorage *	bindingStorage ()

const QBindingStorage *	bindingStorage () const

QObject *	parent () const

bool	inherits (const char *classname) const

Public Member Functions inherited from QPaintDevice
virtual	~QPaintDevice ()

bool	paintingActive () const

int	width () const

int	height () const

int	widthMM () const

int	heightMM () const

int	logicalDpiX () const

int	logicalDpiY () const

int	physicalDpiX () const

int	physicalDpiY () const

qreal	devicePixelRatio () const

qreal	devicePixelRatioF () const

int	colorCount () const

int	depth () const

Protected Member Functions
bool	event (QEvent *event) override

QValidator::State	validate (QString &input, int &pos) const override

virtual int	valueFromText (const QString &text) const

virtual QString	textFromValue (int val) const

void	fixup (QString &str) const override

Protected Member Functions inherited from QAbstractSpinBox
void	resizeEvent (QResizeEvent *event) override

void	keyPressEvent (QKeyEvent *event) override

void	keyReleaseEvent (QKeyEvent *event) override

void	focusInEvent (QFocusEvent *event) override

void	focusOutEvent (QFocusEvent *event) override

void	changeEvent (QEvent *event) override

void	closeEvent (QCloseEvent *event) override

void	hideEvent (QHideEvent *event) override

void	mousePressEvent (QMouseEvent *event) override

void	mouseReleaseEvent (QMouseEvent *event) override

void	mouseMoveEvent (QMouseEvent *event) override

void	timerEvent (QTimerEvent *event) override

void	paintEvent (QPaintEvent *event) override

void	showEvent (QShowEvent *event) override

virtual void	initStyleOption (QStyleOptionSpinBox *option) const

QLineEdit *	lineEdit () const

void	setLineEdit (QLineEdit *edit)

virtual StepEnabled	stepEnabled () const

	QAbstractSpinBox (QAbstractSpinBoxPrivate &dd, QWidget *parent=nullptr)

Protected Member Functions inherited from QWidget
virtual void	mouseDoubleClickEvent (QMouseEvent *event)

virtual void	enterEvent (QEnterEvent *event)

virtual void	leaveEvent (QEvent *event)

virtual void	moveEvent (QMoveEvent *event)

virtual void	contextMenuEvent (QContextMenuEvent *event)

virtual void	actionEvent (QActionEvent *event)

virtual bool	nativeEvent (const QByteArray &eventType, void message, qintptr result)

int	metric (PaintDeviceMetric) const override

void	initPainter (QPainter *painter) const override

QPaintDevice *	redirected (QPoint *offset) const override

QPainter *	sharedPainter () const override

virtual void	inputMethodEvent (QInputMethodEvent *)

void	create (WId=0, bool initializeWindow=true, bool destroyOldWindow=true)

void	destroy (bool destroyWindow=true, bool destroySubWindows=true)

virtual bool	focusNextPrevChild (bool next)

bool	focusNextChild ()

bool	focusPreviousChild ()

	QWidget (QWidgetPrivate &d, QWidget *parent, Qt::WindowFlags f)

Protected Member Functions inherited from QObject
QObject *	sender () const

int	senderSignalIndex () const

int	receivers (const char *signal) const

bool	isSignalConnected (const QMetaMethod &signal) const

virtual void	childEvent (QChildEvent *event)

virtual void	customEvent (QEvent *event)

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	disconnectNotify (const QMetaMethod &signal)

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

Protected Member Functions inherited from QPaintDevice
	QPaintDevice () noexcept

Properties
QString	suffix
	the suffix of the spin box More...

QString	prefix
	the spin box's prefix More...

QString	cleanText
	the text of the spin box excluding any prefix, suffix, or leading or trailing whitespace. More...

int	minimum
	the minimum value of the spin box More...

int	maximum
	the maximum value of the spin box More...

int	singleStep
	the step value More...

StepType	stepType
	The step type. More...

int	value
	the value of the spin box More...

int	displayIntegerBase
	the base used to display the value of the spin box More...

Properties inherited from QAbstractSpinBox
bool	wrapping
	whether the spin box is circular. More...

bool	frame
	whether the spin box draws itself with a frame More...

Qt::Alignment	alignment
	the alignment of the spin box More...

bool	readOnly
	whether the spin box is read only. More...

ButtonSymbols	buttonSymbols
	the current button symbol mode More...

QString	specialValueText
	the special-value text More...

QString	text
	the spin box's text, including any prefix and suffix More...

bool	accelerated
	whether the spin box will accelerate the frequency of the steps when pressing the step Up/Down buttons. More...

CorrectionMode	correctionMode
	the mode to correct an \l{QValidator::}{Intermediate} value if editing finishes More...

bool	acceptableInput
	whether the input satisfies the current validation More...

bool	keyboardTracking
	whether keyboard tracking is enabled for the spinbox. More...

bool	showGroupSeparator
	whether a thousands separator is enabled. By default this property is false. More...

Properties inherited from QWidget
bool	modal
	whether the widget is a modal widget More...

Qt::WindowModality	windowModality
	which windows are blocked by the modal widget More...

bool	enabled
	whether the widget is enabled More...

QRect	geometry
	the geometry of the widget relative to its parent and excluding the window frame More...

QRect	frameGeometry
	geometry of the widget relative to its parent including any window frame More...

QRect	normalGeometry
	the geometry of the widget as it will appear when shown as a normal (not maximized or full screen) top-level widget More...

int	x
	the x coordinate of the widget relative to its parent including any window frame More...

int	y
	the y coordinate of the widget relative to its parent and including any window frame More...

QPoint	pos
	the position of the widget within its parent widget More...

QSize	frameSize
	the size of the widget including any window frame More...

QSize	size
	the size of the widget excluding any window frame More...

int	width
	the width of the widget excluding any window frame More...

int	height
	the height of the widget excluding any window frame More...

QRect	rect
	the internal geometry of the widget excluding any window frame More...

QRect	childrenRect
	the bounding rectangle of the widget's children More...

QRegion	childrenRegion
	the combined region occupied by the widget's children More...

QSizePolicy	sizePolicy
	the default layout behavior of the widget More...

QSize	minimumSize
	the widget's minimum size More...

QSize	maximumSize
	the widget's maximum size in pixels More...

int	minimumWidth
	the widget's minimum width in pixels More...

int	minimumHeight
	the widget's minimum height in pixels More...

int	maximumWidth
	the widget's maximum width in pixels More...

int	maximumHeight
	the widget's maximum height in pixels More...

QSize	sizeIncrement
	the size increment of the widget More...

QSize	baseSize
	the base size of the widget More...

QPalette	palette
	the widget's palette More...

QFont	font
	the font currently set for the widget More...

QCursor	cursor
	the cursor shape for this widget More...

bool	mouseTracking
	whether mouse tracking is enabled for the widget More...

bool	tabletTracking
	whether tablet tracking is enabled for the widget More...

bool	isActiveWindow
	whether this widget's window is the active window More...

Qt::FocusPolicy	focusPolicy
	the way the widget accepts keyboard focus More...

bool	focus
	whether this widget (or its focus proxy) has the keyboard input focus More...

Qt::ContextMenuPolicy	contextMenuPolicy
	how the widget shows a context menu More...

bool	updatesEnabled
	whether updates are enabled More...

bool	visible
	whether the widget is visible More...

bool	minimized
	whether this widget is minimized (iconified) More...

bool	maximized
	whether this widget is maximized More...

bool	fullScreen
	whether the widget is shown in full screen mode More...

QSize	sizeHint
	the recommended size for the widget More...

QSize	minimumSizeHint
	the recommended minimum size for the widget More...

bool	acceptDrops
	whether drop events are enabled for this widget More...

QString	windowTitle
	the window title (caption) More...

QIcon	windowIcon
	the widget's icon More...

QString	windowIconText
	the text to be displayed on the icon of a minimized window More...

double	windowOpacity
	The level of opacity for the window. More...

bool	windowModified
	whether the document shown in the window has unsaved changes More...

QString	accessibleName
	the widget's name as seen by assistive technologies More...

QString	accessibleDescription
	the widget's description as seen by assistive technologies More...

Qt::LayoutDirection	layoutDirection
	the layout direction for this widget. More...

bool	autoFillBackground
	whether the widget background is filled automatically More...

QString	styleSheet
	the widget's style sheet More...

QLocale	locale
	the widget's locale More...

QString	windowFilePath
	the file path associated with a widget More...

Qt::InputMethodHints	inputMethodHints
	What input method specific hints the widget has. More...

Properties inherited from QObject
QString	objectName
	the name of this object More...

Additional Inherited Members
Public Types inherited from QAbstractSpinBox
enum	StepEnabledFlag { StepNone = 0x00 , StepUpEnabled = 0x01 , StepDownEnabled = 0x02 }

enum	ButtonSymbols { UpDownArrows , PlusMinus , NoButtons }

enum	CorrectionMode { CorrectToPreviousValue , CorrectToNearestValue }

enum	StepType { DefaultStepType , AdaptiveDecimalStepType }

Public Types inherited from QWidget
enum	RenderFlag { DrawWindowBackground = 0x1 , DrawChildren = 0x2 , IgnoreMask = 0x4 }

Public Types inherited from QPaintDevice
enum	PaintDeviceMetric { PdmWidth = 1 , PdmHeight , PdmWidthMM , PdmHeightMM , PdmNumColors , PdmDepth , PdmDpiX , PdmDpiY , PdmPhysicalDpiX , PdmPhysicalDpiY , PdmDevicePixelRatio , PdmDevicePixelRatioScaled }

Static Public Member Functions inherited from QWidget
static void	setTabOrder (QWidget , QWidget )

static QWidget *	mouseGrabber ()

static QWidget *	keyboardGrabber ()

static QWidget *	find (WId)

static QWidget *	createWindowContainer (QWindow window, QWidget parent=nullptr, Qt::WindowFlags flags=Qt::WindowFlags())

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)

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::FunctionPointer< Func2 >::Object receiver, Func2 slot, Qt::ConnectionType type=Qt::AutoConnection)

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

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

template<typename Func1 , typename Func2 >
static std::enable_if< QtPrivate::FunctionPointer< Func2 >::ArgumentCount==-1 &&!std::is_convertible_v< Func2, const char * >, QMetaObject::Connection >::type	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 slot)

template<typename Func1 , typename Func2 >
static std::enable_if< QtPrivate::FunctionPointer< Func2 >::ArgumentCount==-1 &&!std::is_convertible_v< Func2, const char * >, QMetaObject::Connection >::type	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const QObject context, Func2 slot, Qt::ConnectionType type=Qt::AutoConnection)

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

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

static bool	disconnect (const QMetaObject::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)

Static Public Member Functions inherited from QPaintDevice
static qreal	devicePixelRatioFScale ()

Protected Slots inherited from QWidget
void	updateMicroFocus (Qt::InputMethodQuery query=Qt::ImQueryAll)

Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Protected Attributes inherited from QPaintDevice
ushort	painters

Related Functions inherited from QWidget
	setupUi (QWidget *widget)

Related Functions inherited from QObject
template< class T > T	qobject_cast (const QObject *object)

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

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

	QObjectList

Detailed Description

The QSpinBox class provides a spin box widget.

\inmodule QtWidgets

QSpinBox is designed to handle integers and discrete sets of values (e.g., month names); use QDoubleSpinBox for floating point values.

QSpinBox allows the user to choose a value by clicking the up/down buttons or pressing up/down on the keyboard to increase/decrease the value currently displayed. The user can also type the value in manually. The spin box supports integer values but can be extended to use different strings with validate(), textFromValue() and valueFromText().

Every time the value changes QSpinBox emits valueChanged() and textChanged() signals, the former providing a int and the latter a QString. The textChanged() signal provides the value with both prefix() and suffix(). The current value can be fetched with value() and set with setValue().

Clicking the up/down buttons or using the keyboard accelerator's up and down arrows will increase or decrease the current value in steps of size singleStep(). If you want to change this behaviour you can reimplement the virtual function stepBy(). The minimum and maximum value and the step size can be set using one of the constructors, and can be changed later with setMinimum(), setMaximum() and setSingleStep().

Most spin boxes are directional, but QSpinBox can also operate as a circular spin box, i.e. if the range is 0-99 and the current value is 99, clicking "up" will give 0 if wrapping() is set to true. Use setWrapping() if you want circular behavior.

The displayed value can be prepended and appended with arbitrary strings indicating, for example, currency or the unit of measurement. See setPrefix() and setSuffix(). The text in the spin box is retrieved with text() (which includes any prefix() and suffix()), or with cleanText() (which has no prefix(), no suffix() and no leading or trailing whitespace).

It is often desirable to give the user a special (often default) choice in addition to the range of numeric values. See setSpecialValueText() for how to do this with QSpinBox.

Definition at line 51 of file qspinbox.h.

Constructor & Destructor Documentation

◆ QSpinBox()

QSpinBox::QSpinBox ( QWidget * parent = nullptr )

explicit

Constructs a spin box with 0 as minimum value and 99 as maximum value, a step value of 1. The value is initially set to 0. It is parented to parent.

See also: setMinimum(), setMaximum(), setSingleStep()

Definition at line 202 of file qspinbox.cpp.

◆ ~QSpinBox()

QSpinBox::~QSpinBox ( )

Destructor.

Definition at line 212 of file qspinbox.cpp.

Member Function Documentation

◆ cleanText()

QString QSpinBox::cleanText ( ) const

Definition at line 318 of file qspinbox.cpp.

◆ displayIntegerBase()

int QSpinBox::displayIntegerBase ( ) const

Definition at line 476 of file qspinbox.cpp.

◆ event()

bool QSpinBox::event ( QEvent * event )

overrideprotectedvirtual

\reimp

Reimplemented from QAbstractSpinBox.

Definition at line 1458 of file qspinbox.cpp.

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◆ fixup()

void QSpinBox::fixup ( QString & input ) const

overrideprotectedvirtual

\reimp

Reimplemented from QAbstractSpinBox.

Definition at line 574 of file qspinbox.cpp.

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◆ maximum()

int QSpinBox::maximum ( ) const

Definition at line 393 of file qspinbox.cpp.

◆ minimum()

int QSpinBox::minimum ( ) const

Definition at line 365 of file qspinbox.cpp.

◆ prefix()

QString QSpinBox::prefix ( ) const

Definition at line 254 of file qspinbox.cpp.

◆ setDisplayIntegerBase()

void QSpinBox::setDisplayIntegerBase ( int base )

Definition at line 482 of file qspinbox.cpp.

◆ setMaximum()

void QSpinBox::setMaximum ( int max )

Definition at line 400 of file qspinbox.cpp.

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◆ setMinimum()

void QSpinBox::setMinimum ( int min )

Definition at line 372 of file qspinbox.cpp.

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◆ setPrefix()

void QSpinBox::setPrefix ( const QString & prefix )

Definition at line 260 of file qspinbox.cpp.

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◆ setRange()

void QSpinBox::setRange	(	int	minimum,
		int	maximum
	)

Convenience function to set the minimum, and maximum values with a single function call.

is equivalent to:

See also: minimum, maximum

Definition at line 418 of file qspinbox.cpp.

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◆ setSingleStep()

void QSpinBox::setSingleStep ( int val )

Definition at line 343 of file qspinbox.cpp.

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◆ setStepType()

void QSpinBox::setStepType ( QAbstractSpinBox::StepType stepType )

Sets the step type for the spin box to stepType, which is single step or adaptive decimal step.

Adaptive decimal step means that the step size will continuously be adjusted to one power of ten below the current \l value. So when the value is 1100, the step is set to 100, so stepping up once increases it to 1200. For 1200 stepping up takes it to 1300. For negative values, stepping down from -1100 goes to -1200.

Step direction is taken into account to handle edges cases, so that stepping down from 100 takes the value to 99 instead of 90. Thus a step up followed by a step down – or vice versa – always lands on the starting value; 99 -> 100 -> 99.

Setting this will cause the spin box to disregard the value of \l singleStep, although it is preserved so that \l singleStep comes into effect if adaptive decimal step is later turned off.

Since: 5.12

Definition at line 446 of file qspinbox.cpp.

◆ setSuffix()

void QSpinBox::setSuffix ( const QString & suffix )

Definition at line 298 of file qspinbox.cpp.

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◆ setValue

void QSpinBox::setValue ( int val )

slot

Definition at line 229 of file qspinbox.cpp.

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◆ singleStep()

int QSpinBox::singleStep ( ) const

Definition at line 336 of file qspinbox.cpp.

◆ stepType()

QAbstractSpinBox::StepType QSpinBox::stepType ( ) const

Definition at line 459 of file qspinbox.cpp.

◆ suffix()

QString QSpinBox::suffix ( ) const

Definition at line 291 of file qspinbox.cpp.

◆ textChanged

void QSpinBox::textChanged ( const QString & text )

signal

Since: 5.14

This signal is emitted whenever the spin box's text is changed. The new text is passed in text with prefix() and suffix().

◆ textFromValue()

QString QSpinBox::textFromValue ( int value ) const

protectedvirtual

This virtual function is used by the spin box whenever it needs to display the given value. The default implementation returns a string containing value printed in the standard way using QWidget::locale().toString(), but with the thousand separator removed unless setGroupSeparatorShown() is set. Reimplementations may return anything. (See the example in the detailed description.)

Note: QSpinBox does not call this function for specialValueText() and that neither prefix() nor suffix() should be included in the return value.

If you reimplement this, you may also need to reimplement valueFromText() and validate()

See also: valueFromText(), validate(), QLocale::groupSeparator()

Reimplemented in IconSizeSpinBox, and SpinBox.

Definition at line 515 of file qspinbox.cpp.

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◆ validate()

QValidator::State QSpinBox::validate	(	QString &	text,
		int &	pos
	)		const

overrideprotectedvirtual

\reimp

Reimplemented from QAbstractSpinBox.

Reimplemented in SpinBox.

Definition at line 561 of file qspinbox.cpp.

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◆ value()

int QSpinBox::value ( ) const

Definition at line 223 of file qspinbox.cpp.

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◆ valueChanged

void QSpinBox::valueChanged ( int i )

signal

This signal is emitted whenever the spin box's value is changed. The new value's integer value is passed in i.

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◆ valueFromText()

int QSpinBox::valueFromText ( const QString & text ) const

protectedvirtual

This virtual function is used by the spin box whenever it needs to interpret text entered by the user as a value.

Subclasses that need to display spin box values in a non-numeric way need to reimplement this function.

Note: QSpinBox handles specialValueText() separately; this function is only concerned with the other values.

See also: textFromValue(), validate()

Reimplemented in SpinBox, and IconSizeSpinBox.

Definition at line 548 of file qspinbox.cpp.

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Property Documentation

◆ cleanText

QSpinBox::cleanText

read

the text of the spin box excluding any prefix, suffix, or leading or trailing whitespace.

See also: text, QSpinBox::prefix, QSpinBox::suffix

Definition at line 178 of file qspinbox.h.

◆ displayIntegerBase

QSpinBox::displayIntegerBase

readwrite

the base used to display the value of the spin box

The default displayIntegerBase value is 10.

See also: textFromValue(), valueFromText()

Since: 5.2

Definition at line 178 of file qspinbox.h.

◆ maximum

QSpinBox::maximum

readwrite

the maximum value of the spin box

When setting this property the minimum is adjusted if necessary, to ensure that the range remains valid.

The default maximum value is 99.

See also: setRange(), specialValueText

Definition at line 178 of file qspinbox.h.

◆ minimum

QSpinBox::minimum

readwrite

the minimum value of the spin box

When setting this property the \l maximum is adjusted if necessary to ensure that the range remains valid.

The default minimum value is 0.

See also: setRange(), specialValueText

Definition at line 178 of file qspinbox.h.

◆ prefix

QSpinBox::prefix

readwrite

the spin box's prefix

The prefix is prepended to the start of the displayed value. Typical use is to display a unit of measurement or a currency symbol. For example:

To turn off the prefix display, set this property to an empty string. The default is no prefix. The prefix is not displayed when value() == minimum() and specialValueText() is set.

If no prefix is set, prefix() returns an empty string.

See also: suffix(), setSuffix(), specialValueText(), setSpecialValueText()

Definition at line 178 of file qspinbox.h.

◆ singleStep

QSpinBox::singleStep

readwrite

the step value

When the user uses the arrows to change the spin box's value the value will be incremented/decremented by the amount of the singleStep. The default value is 1. Setting a singleStep value of less than 0 does nothing.

Definition at line 178 of file qspinbox.h.

◆ stepType

QSpinBox::stepType

readwrite

The step type.

The step type can be single step or adaptive decimal step.

Definition at line 178 of file qspinbox.h.

◆ suffix

QSpinBox::suffix

readwrite

the suffix of the spin box

The suffix is appended to the end of the displayed value. Typical use is to display a unit of measurement or a currency symbol. For example:

To turn off the suffix display, set this property to an empty string. The default is no suffix. The suffix is not displayed for the minimum() if specialValueText() is set.

If no suffix is set, suffix() returns an empty string.

See also: prefix(), setPrefix(), specialValueText(), setSpecialValueText()

Definition at line 178 of file qspinbox.h.

◆ value

QSpinBox::value

readwrite

the value of the spin box

setValue() will emit valueChanged() if the new value is different from the old one. The value property has a second notifier signal which includes the spin box's prefix and suffix.

Definition at line 178 of file qspinbox.h.

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

src/widgets/widgets/qspinbox.h
src/widgets/widgets/qspinbox.cpp

Public Slots

Signals

Public Member Functions

Protected Member Functions

Properties

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QSpinBox()

◆ ~QSpinBox()

Member Function Documentation

◆ cleanText()

◆ displayIntegerBase()

◆ event()

◆ fixup()

◆ maximum()

◆ minimum()

◆ prefix()

◆ setDisplayIntegerBase()

◆ setMaximum()

◆ setMinimum()

◆ setPrefix()

◆ setRange()

◆ setSingleStep()

◆ setStepType()

◆ setSuffix()

◆ setValue

◆ singleStep()

◆ stepType()

◆ suffix()

◆ textChanged

◆ textFromValue()

◆ validate()

◆ value()

◆ valueChanged

◆ valueFromText()

Property Documentation

◆ cleanText

◆ displayIntegerBase

◆ maximum

◆ minimum

◆ prefix

◆ singleStep

◆ stepType

◆ suffix

◆ value