The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value. More...

#include <qgsspinbox.h>

Inheritance diagram for QgsSpinBox:

Public Types
enum	ClearValueMode { MinimumValue , MaximumValue , CustomValue }
	Behavior when widget is cleared. More...

Signals
void	returnPressed ()
	Emitted when the Return or Enter key is used in the line edit.

void	textEdited (const QString &text)
	Emitted when the the value has been manually edited via line edit.

Public Member Functions
	QgsSpinBox (QWidget *parent=nullptr)
	Constructor for QgsSpinBox.

void	clear () override
	Sets the current value to the value defined by the clear value.

int	clearValue () const
	Returns the value used when clear() is called.

bool	expressionsEnabled () const
	Returns whether the widget will allow entry of simple expressions, which are evaluated and then discarded.

void	setClearValue (int customValue, const QString &clearValueText=QString())
	Defines the clear value as a custom value and will automatically set the clear value mode to CustomValue.

void	setClearValueMode (ClearValueMode mode, const QString &clearValueText=QString())
	Defines if the clear value should be the minimum or maximum values of the widget or a custom value.

void	setExpressionsEnabled (bool enabled)
	Sets if the widget will allow entry of simple expressions, which are evaluated and then discarded.

void	setLineEditAlignment (Qt::Alignment alignment)
	Set alignment in the embedded line edit widget.

void	setShowClearButton (bool showClearButton)
	Sets whether the widget will show a clear button.

void	setSpecialValueText (const QString &txt)
	Set the special-value text to be txt If set, the spin box will display this text instead of a numeric value whenever the current value is equal to minimum().

bool	showClearButton () const
	Returns whether the widget is showing a clear button.

void	stepBy (int steps) override

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

int	valueFromText (const QString &text) const override

Protected Member Functions
void	changeEvent (QEvent *event) override

void	paintEvent (QPaintEvent *event) override

void	timerEvent (QTimerEvent *event) override

void	wheelEvent (QWheelEvent *event) override

Properties
bool	clearValue

bool	expressionsEnabled

bool	showClearButton

Friends
class	TestQgsRangeWidgetWrapper

Detailed Description

The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value.

The clear value can be either the minimum or the maiximum value of the spin box or a custom value. This value can then be handled by a special value text.

Definition at line 42 of file qgsspinbox.h.

Member Enumeration Documentation

◆ ClearValueMode

enum QgsSpinBox::ClearValueMode

Behavior when widget is cleared.

Enumerator
MinimumValue	Reset value to minimum()
MaximumValue	Reset value to maximum()
CustomValue	Reset value to custom value (see setClearValue() )

Definition at line 62 of file qgsspinbox.h.

Constructor & Destructor Documentation

◆ QgsSpinBox()

QgsSpinBox::QgsSpinBox ( QWidget * parent = nullptr )

explicit

Constructor for QgsSpinBox.

Parameters

parent parent widget

Definition at line 38 of file qgsspinbox.cpp.

Member Function Documentation

◆ changeEvent()

void QgsSpinBox::changeEvent ( QEvent * event )

overrideprotected

Definition at line 65 of file qgsspinbox.cpp.

◆ clear()

void QgsSpinBox::clear ( )

override

Sets the current value to the value defined by the clear value.

Definition at line 120 of file qgsspinbox.cpp.

◆ clearValue()

int QgsSpinBox::clearValue ( ) const

Returns the value used when clear() is called.

See also: setClearValue()

Definition at line 165 of file qgsspinbox.cpp.

◆ expressionsEnabled()

bool QgsSpinBox::expressionsEnabled ( ) const

inline

Returns whether the widget will allow entry of simple expressions, which are evaluated and then discarded.

Returns: true if spin box allows expression entry

Definition at line 101 of file qgsspinbox.h.

◆ paintEvent()

void QgsSpinBox::paintEvent ( QPaintEvent * event )

overrideprotected

Definition at line 77 of file qgsspinbox.cpp.

◆ returnPressed

void QgsSpinBox::returnPressed ( )

signal

Emitted when the Return or Enter key is used in the line edit.

Since: QGIS 3.40

◆ setClearValue()

void QgsSpinBox::setClearValue	(	int	customValue,
		const QString &	clearValueText = `QString()`
	)

Defines the clear value as a custom value and will automatically set the clear value mode to CustomValue.

Parameters

customValue	defines the numerical value used as the clear value
clearValueText	is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.

See also: setClearValue()

Definition at line 127 of file qgsspinbox.cpp.

◆ setClearValueMode()

void QgsSpinBox::setClearValueMode	(	QgsSpinBox::ClearValueMode	mode,
		const QString &	clearValueText = `QString()`
	)

Defines if the clear value should be the minimum or maximum values of the widget or a custom value.

Parameters

mode	mode to user for clear value
clearValueText	is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.

Definition at line 146 of file qgsspinbox.cpp.

◆ setExpressionsEnabled()

void QgsSpinBox::setExpressionsEnabled ( bool enabled )

Sets if the widget will allow entry of simple expressions, which are evaluated and then discarded.

Parameters

enabled set to true to allow expression entry

Definition at line 60 of file qgsspinbox.cpp.

◆ setLineEditAlignment()

void QgsSpinBox::setLineEditAlignment ( Qt::Alignment alignment )

Set alignment in the embedded line edit widget.

Parameters

alignment

Definition at line 175 of file qgsspinbox.cpp.

◆ setShowClearButton()

void QgsSpinBox::setShowClearButton ( bool showClearButton )

Sets whether the widget will show a clear button.

The clear button allows users to reset the widget to a default or empty state.

Parameters

showClearButton set to true to show the clear button, or false to hide it

See also: showClearButton()

Definition at line 54 of file qgsspinbox.cpp.

◆ setSpecialValueText()

void QgsSpinBox::setSpecialValueText ( const QString & txt )

Set the special-value text to be txt If set, the spin box will display this text instead of a numeric value whenever the current value is equal to minimum().

Typical use is to indicate that this choice has a special (default) meaning.

Definition at line 180 of file qgsspinbox.cpp.

◆ showClearButton()

bool QgsSpinBox::showClearButton ( ) const

inline

Returns whether the widget is showing a clear button.

See also: setShowClearButton()

Definition at line 87 of file qgsspinbox.h.

◆ stepBy()

void QgsSpinBox::stepBy ( int steps )

override

Definition at line 221 of file qgsspinbox.cpp.

◆ textEdited

void QgsSpinBox::textEdited ( const QString & text )

signal

Emitted when the the value has been manually edited via line edit.

Since: QGIS 3.40

◆ timerEvent()

void QgsSpinBox::timerEvent ( QTimerEvent * event )

overrideprotected

Definition at line 104 of file qgsspinbox.cpp.

◆ validate()

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

override

Definition at line 210 of file qgsspinbox.cpp.

◆ valueFromText()

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

override

Definition at line 194 of file qgsspinbox.cpp.

◆ wheelEvent()

void QgsSpinBox::wheelEvent ( QWheelEvent * event )

overrideprotected

Definition at line 83 of file qgsspinbox.cpp.

Friends And Related Symbol Documentation

◆ TestQgsRangeWidgetWrapper

friend class TestQgsRangeWidgetWrapper

friend

Definition at line 185 of file qgsspinbox.h.

Property Documentation

◆ clearValue

bool QgsSpinBox::clearValue

readwrite

Definition at line 56 of file qgsspinbox.h.

◆ expressionsEnabled

bool QgsSpinBox::expressionsEnabled

readwrite

Definition at line 57 of file qgsspinbox.h.

◆ showClearButton

bool QgsSpinBox::showClearButton

readwrite

Definition at line 55 of file qgsspinbox.h.

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

/build/qgis-3.40.0+99sid/src/gui/editorwidgets/qgsspinbox.h
/build/qgis-3.40.0+99sid/src/gui/editorwidgets/qgsspinbox.cpp

Public Types

Signals

Public Member Functions

Protected Member Functions

Properties

Friends

Detailed Description

Member Enumeration Documentation

◆ ClearValueMode

Constructor & Destructor Documentation

◆ QgsSpinBox()

Member Function Documentation

◆ changeEvent()

◆ clear()

◆ clearValue()

◆ expressionsEnabled()

◆ paintEvent()

◆ returnPressed

◆ setClearValue()

◆ setClearValueMode()

◆ setExpressionsEnabled()

◆ setLineEditAlignment()

◆ setShowClearButton()

◆ setSpecialValueText()

◆ showClearButton()

◆ stepBy()

◆ textEdited

◆ timerEvent()

◆ validate()

◆ valueFromText()

◆ wheelEvent()

Friends And Related Symbol Documentation

◆ TestQgsRangeWidgetWrapper

Property Documentation

◆ clearValue

◆ expressionsEnabled

◆ showClearButton