QgsDoubleValidator Class Reference

A custom validator which allows entry of doubles in a locale-tolerant way. More...

#include <qgsdoublevalidator.h>

Inheritance diagram for QgsDoubleValidator:

Public Member Functions
	QgsDoubleValidator (const QRegularExpression &expression, double bottom, double top, QObject *parent)
	Constructor for QgsDoubleValidator.
	QgsDoubleValidator (double bottom, double top, int decimal, QObject *parent)
	Constructor for QgsDoubleValidator.
	QgsDoubleValidator (double bottom, double top, QObject *parent)
	Constructor for QgsDoubleValidator.
	QgsDoubleValidator (int decimal, QObject *parent)
	Constructor for QgsDoubleValidator.
	QgsDoubleValidator (QObject *parent)
	Constructor for QgsDoubleValidator.
double	bottom () const
	Returns top range limit.
void	setBottom (double bottom)
	Set top range limit.
void	setMaxDecimals (int maxDecimals)
	Sets the number of decimals accepted by the validator to maxDecimals.
virtual void	setRange (double bottom, double top)
	Set bottom and top range limits.
void	setTop (double top)
	Set top range limit.
double	top () const
	Returns top range limit.
QValidator::State	validate (QString &input) const
	Evaluates input string validity according to QRegularExpression and ability to be converted in double value.
QValidator::State	validate (QString &input, int &) const override

Static Public Member Functions
static double	toDouble (const QString &input)
	Converts input string to double value.
static double	toDouble (const QString &input, bool *ok)
	Converts input string to double value.

Detailed Description

A custom validator which allows entry of doubles in a locale-tolerant way.

QgsDoubleValidator is a QLineEdit Validator that combines QDoubleValidator and QRegularExpressionValidator to allow users to enter doubles with both local and C interpretation as a fallback.

Since

QGIS 3.14

Definition at line 42 of file qgsdoublevalidator.h.

Constructor & Destructor Documentation

QgsDoubleValidator() [1/5]

QgsDoubleValidator::QgsDoubleValidator ( QObject *  parent )

explicit

Constructor for QgsDoubleValidator.

Definition at line 31 of file qgsdoublevalidator.cpp.

QgsDoubleValidator() [2/5]

QgsDoubleValidator::QgsDoubleValidator	(	const QRegularExpression &	expression,
		double	bottom,
		double	top,
		QObject *	parent
	)

Constructor for QgsDoubleValidator.

Parameters

bottom	the minimal range limit accepted by the validator
top	the maximal range limit accepted by the validator
parent	parent object
expression	custom regular expression

Definition at line 44 of file qgsdoublevalidator.cpp.

QgsDoubleValidator() [3/5]

QgsDoubleValidator::QgsDoubleValidator	(	double	bottom,
		double	top,
		QObject *	parent
	)

Constructor for QgsDoubleValidator.

Parameters

bottom	the minimal range limit accepted by the validator
top	the maximal range limit accepted by the validator
parent	parent object

Definition at line 52 of file qgsdoublevalidator.cpp.

QgsDoubleValidator() [4/5]

QgsDoubleValidator::QgsDoubleValidator	(	double	bottom,
		double	top,
		int	decimal,
		QObject *	parent
	)

Constructor for QgsDoubleValidator.

Parameters

bottom	the minimal range limit accepted by the validator
top	the maximal range limit accepted by the validator
decimal	the number of decimals accepted by the validator
parent	parent object

Definition at line 65 of file qgsdoublevalidator.cpp.

QgsDoubleValidator() [5/5]

QgsDoubleValidator::QgsDoubleValidator	(	int	decimal,
		QObject *	parent
	)

Constructor for QgsDoubleValidator.

Parameters

decimal	the number of decimals accepted by the validator
parent	parent object

Since

QGIS 3.16

Definition at line 78 of file qgsdoublevalidator.cpp.

Member Function Documentation

bottom()

double QgsDoubleValidator::bottom ( ) const

inline

Returns top range limit.

See also

setBottom

Definition at line 149 of file qgsdoublevalidator.h.

setBottom()

void QgsDoubleValidator::setBottom ( double  bottom )

inline

Set top range limit.

See also

setTop

setRange

Definition at line 125 of file qgsdoublevalidator.h.

setMaxDecimals()

void QgsDoubleValidator::setMaxDecimals

(

int

maxDecimals

)

Sets the number of decimals accepted by the validator to maxDecimals.

Warning

setting decimals overrides any custom regular expression that was previously set

Since

QGIS 3.22

Definition at line 91 of file qgsdoublevalidator.cpp.

setRange()

virtual void QgsDoubleValidator::setRange ( double  bottom, double  top  )

inlinevirtual

Set bottom and top range limits.

See also

setBottom

setTop

Definition at line 139 of file qgsdoublevalidator.h.

setTop()

void QgsDoubleValidator::setTop ( double  top )

inline

Set top range limit.

See also

setBottom

setRange

Definition at line 132 of file qgsdoublevalidator.h.

toDouble() [1/2]

double QgsDoubleValidator::toDouble ( const QString &  input )

static

Converts input string to double value.

It uses locale interpretation first and C locale interpretation as fallback

Definition at line 144 of file qgsdoublevalidator.cpp.

toDouble() [2/2]

double QgsDoubleValidator::toDouble ( const QString &  input, bool *  ok  )

static

Converts input string to double value.

It uses locale interpretation first and C locale interpretation as fallback

Definition at line 150 of file qgsdoublevalidator.cpp.

top()

double QgsDoubleValidator::top ( ) const

inline

Returns top range limit.

See also

setTop

Definition at line 155 of file qgsdoublevalidator.h.

validate() [1/2]

QValidator::State QgsDoubleValidator::validate

(

QString &

input

)

const

Evaluates input string validity according to QRegularExpression and ability to be converted in double value.

Definition at line 122 of file qgsdoublevalidator.cpp.

validate() [2/2]

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

override

Definition at line 100 of file qgsdoublevalidator.cpp.

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

• /build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/qgsdoublevalidator.h
• /build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/qgsdoublevalidator.cpp