A double settings entry. More...

#include <qgssettingsentryimpl.h>

Inheritance diagram for QgsSettingsEntryDouble:

[legend]

Public Member Functions
	QgsSettingsEntryDouble (const QString &key, const QString &section, double defaultValue=0.0, const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions(), double minValue=std::numeric_limits< double >::lowest(), double maxValue=std::numeric_limits< double >::max(), int displayDecimals=1)
	Constructor for QgsSettingsEntryDouble.

	QgsSettingsEntryDouble (const QString &name, QgsSettingsTreeNode *parent, double defaultValue=0.0, const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions(), double minValue=std::numeric_limits< double >::lowest(), double maxValue=std::numeric_limits< double >::max(), int displayDecimals=1)
	Constructor for QgsSettingsEntryDouble.

double	convertFromVariant (const QVariant &value) const override
	Converts the variant value to the value type of the setting.

int	displayHintDecimals () const
	Returns how much decimals should be shown in the Gui.

double	maxValue () const
	Returns the maximum value.

double	minValue () const
	Returns the minimum value.

void	setDisplayHintDecimals (int displayHintDecimals)
	Set the display hint decimals.

virtual Qgis::SettingsType	settingsType () const override
	Returns the settings entry type.

Public Member Functions inherited from QgsSettingsEntryBaseTemplate< double >
	QgsSettingsEntryBaseTemplate (const QString &key, const QString &section, const QVariant &defaultValue, const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions())
	Constructor for QgsSettingsEntryByReference.

	QgsSettingsEntryBaseTemplate (const QString &name, QgsSettingsTreeNode *parent, const QVariant &defaultValue, const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions())
	Constructor for QgsSettingsEntryByReference.

bool	checkValueVariant (const QVariant &value) const override
	Returns `true` if the given value is valid towards the setting definition.

double	defaultValue () const
	Returns settings default value.

double	formerValue (const QString &dynamicKeyPart=QString()) const
	Returns the former value.

double	formerValue (const QStringList &dynamicKeyPartList) const
	Returns the former value Returns the current value (or default) if there is no former value.

bool	setValue (const double &value, const QString &dynamicKeyPart=QString()) const
	Set settings value.

bool	setValue (const double &value, const QStringList &dynamicKeyPartList) const
	Set settings value.

double	value (const QString &dynamicKeyPart=QString()) const
	Returns settings value.

double	value (const QStringList &dynamicKeyPartList) const
	Returns settings value.

double	valueWithDefaultOverride (const double &defaultValueOverride, const QString &dynamicKeyPart=QString()) const
	Returns the settings value with a defaultValueOverride and with an optional dynamicKeyPart.

double	valueWithDefaultOverride (const double &defaultValueOverride, const QStringList &dynamicKeyPartList) const
	Returns the settings value with a defaultValueOverride for the dynamicKeyPartList.

Public Member Functions inherited from QgsSettingsEntryBase
	QgsSettingsEntryBase (const QString &key, const QString &section, const QVariant &defaultValue=QVariant(), const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions())
	Constructor for QgsSettingsEntryBase.

	QgsSettingsEntryBase (const QString &name, QgsSettingsTreeNode *parent, const QVariant &defaultValue=QVariant(), const QString &description=QString(), Qgis::SettingsOptions options=Qgis::SettingsOptions())
	Constructor for QgsSettingsEntryBase.

virtual	~QgsSettingsEntryBase ()

bool	copyValueFromKey (const QString &key, bool removeSettingAtKey=false) const
	Copies the value from a given key if it exists.

bool	copyValueFromKey (const QString &key, const QStringList &dynamicKeyPartList, bool removeSettingAtKey=false) const
	Copies the value from a given key if it exists.

void	copyValueToKey (const QString &key, const QStringList &dynamicKeyPartList=QStringList()) const
	Copies the settings to the given key.

void	copyValueToKeyIfChanged (const QString &key, const QStringList &dynamicKeyPartList=QStringList()) const
	Copies the settings to the given key, if it has changed during the current QGIS session (see hasChanged()).

QVariant	defaultValueAsVariant () const
	Returns settings default value.

QString	definitionKey () const
	Returns settings entry defining key.

QString	description () const
	Returns the settings entry description.

bool	exists (const QString &dynamicKeyPart=QString()) const
	Returns `true` if the settings is contained in the underlying QSettings.

bool	exists (const QStringList &dynamicKeyPartList) const
	Returns `true` if the settings is contained in the underlying QSettings.

QVariant	formerValueAsVariant (const QString &dynamicKeyPart) const
	Returns the former value of the settings if it has been enabled in the options.

QVariant	formerValueAsVariant (const QStringList &dynamicKeyPartList) const
	Returns the former value of the settings if it has been enabled in the options Returns the current value (or default) if there is no former value.

bool	hasChanged () const
	Returns `true` if the setting was changed during the current QGIS session.

bool	hasDynamicKey () const
	Returns `true` if a part of the settings key is built dynamically.

QString	key (const QString &dynamicKeyPart=QString()) const
	Returns settings entry key.

QString	key (const QStringList &dynamicKeyPartList) const
	Returns settings entry key.

bool	keyIsValid (const QString &key) const
	Returns `true` if the provided key match the settings entry.

QString	name () const
	Returns the name of the settings.

Qgis::SettingsOptions	options () const
	Returns the settings options.

Qgis::SettingsOrigin	origin (const QStringList &dynamicKeyPartList) const
	Returns the origin of the setting if it exists.

QgsSettingsTreeNode *	parent () const
	Returns the parent tree element.

void	remove (const QString &dynamicKeyPart=QString()) const
	Removes the settings from the underlying QSettings.

void	remove (const QStringList &dynamicKeyPartList) const
	Removes the settings from the underlying QSettings.

Q_DECL_DEPRECATED int	section () const
	Returns settings section.

bool	setVariantValue (const QVariant &value, const QString &dynamicKeyPart=QString()) const
	Set settings value.

bool	setVariantValue (const QVariant &value, const QStringList &dynamicKeyPartList) const
	Set settings value.

virtual QString	typeId () const
	Returns the id of the type of settings This can be re-implemented in a custom implementation of a setting.

Q_DECL_DEPRECATED QVariant	valueAsVariant (const QString &dynamicKeyPart, bool useDefaultValueOverride, const QVariant &defaultValueOverride) const
	Returns settings value with an optional default value override.

QVariant	valueAsVariant (const QString &dynamicKeyPart=QString()) const
	Returns settings value with.

QVariant	valueAsVariant (const QStringList &dynamicKeyPartList) const
	Returns settings value with.

Q_DECL_DEPRECATED QVariant	valueAsVariant (const QStringList &dynamicKeyPartList, bool useDefaultValueOverride, const QVariant &defaultValueOverride) const
	Returns settings value with an optional default value override.

QVariant	valueAsVariantWithDefaultOverride (const QVariant &defaultValueOverride, const QString &dynamicKeyPart=QString()) const
	Returns settings value with a defaultValueOverride.

QVariant	valueAsVariantWithDefaultOverride (const QVariant &defaultValueOverride, const QStringList &dynamicKeyPartList) const
	Returns settings value.

Additional Inherited Members
Static Public Member Functions inherited from QgsSettingsEntryBase
static QStringList	dynamicKeyPartToList (const QString &dynamicKeyPart)
	Transforms a dynamic key part string to list.

Protected Member Functions inherited from QgsSettingsEntryBaseTemplate< double >
virtual QVariant	convertToVariant (const double &value) const
	Converts the value to a variant.

virtual bool	setValuePrivate (const double &value, const QStringList &dynamicKeyPartList) const
	Sets the settings value with an optional list of dynamic parts.

Detailed Description

A double settings entry.

Since: QGIS 3.20

Definition at line 562 of file qgssettingsentryimpl.h.

Constructor & Destructor Documentation

◆ QgsSettingsEntryDouble() [1/2]

QgsSettingsEntryDouble::QgsSettingsEntryDouble	(	const QString &	name,
		QgsSettingsTreeNode *	parent,
		double	defaultValue = `0.0`,
		const QString &	description = `QString()`,
		Qgis::SettingsOptions	options = `Qgis::SettingsOptions()`,
		double	minValue = `std::numeric_limits<double>::lowest()`,
		double	maxValue = `std::numeric_limits<double>::max()`,
		int	displayDecimals = `1`
	)

inline

Constructor for QgsSettingsEntryDouble.

Parameters

name	specifies the name of the setting.
parent	specifies the parent in the tree of settings.
defaultValue	specifies the default value for the settings entry.
description	specifies a description for the settings entry.
options	specifies the options for the settings entry.
minValue	specifies the minimal value.
maxValue	specifies the maximal value.
displayDecimals	specifies a hint for the gui about how much decimals to show for example for a QDoubleSpinBox.

Definition at line 579 of file qgssettingsentryimpl.h.

◆ QgsSettingsEntryDouble() [2/2]

QgsSettingsEntryDouble::QgsSettingsEntryDouble	(	const QString &	key,
		const QString &	section,
		double	defaultValue = `0.0`,
		const QString &	description = `QString()`,
		Qgis::SettingsOptions	options = `Qgis::SettingsOptions()`,
		double	minValue = `std::numeric_limits<double>::lowest()`,
		double	maxValue = `std::numeric_limits<double>::max()`,
		int	displayDecimals = `1`
	)

inline

Constructor for QgsSettingsEntryDouble.

Parameters

key	specifies the final part of the settings key.
section	specifies the section.
defaultValue	specifies the default value for the settings entry.
description	specifies a description for the settings entry.
options	specifies the options for the settings entry.
minValue	specifies the minimal value.
maxValue	specifies the maximal value.
displayDecimals	specifies a hint for the gui about how much decimals to show for example for a QDoubleSpinBox.

Definition at line 606 of file qgssettingsentryimpl.h.

Member Function Documentation

◆ convertFromVariant()

double QgsSettingsEntryDouble::convertFromVariant ( const QVariant & value ) const

overridevirtual

Converts the variant value to the value type of the setting.

Implements QgsSettingsEntryBaseTemplate< double >.

Definition at line 195 of file qgssettingsentryimpl.cpp.

◆ displayHintDecimals()

int QgsSettingsEntryDouble::displayHintDecimals ( ) const

Returns how much decimals should be shown in the Gui.

Definition at line 220 of file qgssettingsentryimpl.cpp.

◆ maxValue()

double QgsSettingsEntryDouble::maxValue ( ) const

Returns the maximum value.

Definition at line 210 of file qgssettingsentryimpl.cpp.

◆ minValue()

double QgsSettingsEntryDouble::minValue ( ) const

Returns the minimum value.

Definition at line 205 of file qgssettingsentryimpl.cpp.

◆ setDisplayHintDecimals()

void QgsSettingsEntryDouble::setDisplayHintDecimals ( int displayHintDecimals )

Set the display hint decimals.

displayHintDecimals The number of decimals that should be shown in the Gui.

Definition at line 215 of file qgssettingsentryimpl.cpp.

◆ settingsType()

Qgis::SettingsType QgsSettingsEntryDouble::settingsType ( ) const