| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
A boolean parameter for processing algorithms. More...
#include <qgsprocessingparameters.h>

| Public Member Functions | |
| QgsProcessingParameterBoolean (const QString &name, const QString &description=QString(), const QVariant &defaultValue=QVariant(), bool optional=false) | |
| Constructor for QgsProcessingParameterBoolean.  More... | |
| QString | asScriptCode () const override | 
| Returns the parameter definition encoded in a string which can be used within a Processing script.  More... | |
| QgsProcessingParameterDefinition * | clone () const override | 
| Creates a clone of the parameter definition.  More... | |
| QString | type () const override | 
| Unique parameter type name.  More... | |
| QString | valueAsPythonString (const QVariant &value, QgsProcessingContext &context) const override | 
| Returns a string version of the parameter input value, which is suitable for use as an input parameter value when running an algorithm directly from a Python command.  More... | |
|  Public Member Functions inherited from QgsProcessingParameterDefinition | |
| QgsProcessingParameterDefinition (const QString &name, const QString &description=QString(), const QVariant &defaultValue=QVariant(), bool optional=false, const QString &help=QString()) | |
| Constructor for QgsProcessingParameterDefinition.  More... | |
| virtual | ~QgsProcessingParameterDefinition ()=default | 
| QStringList | additionalExpressionContextVariables () const | 
| Returns a list of additional expression context variables which are available for use when evaluating this parameter.  More... | |
| QgsProcessingAlgorithm * | algorithm () const | 
| Returns a pointer to the algorithm which owns this parameter.  More... | |
| virtual QString | asPythonString (QgsProcessing::PythonOutputType outputType=QgsProcessing::PythonQgsProcessingAlgorithmSubclass) const | 
| Returns the parameter definition as a Python command which can be used within a Python Processing script.  More... | |
| virtual bool | checkValueIsAcceptable (const QVariant &input, QgsProcessingContext *context=nullptr) const | 
| Checks whether the specified input value is acceptable for the parameter.  More... | |
| QVariant | defaultValue () const | 
| Returns the default value for the parameter.  More... | |
| QVariant | defaultValueForGui () const | 
| Returns the default value to use for the parameter in a GUI.  More... | |
| virtual QStringList | dependsOnOtherParameters () const | 
| Returns a list of other parameter names on which this parameter is dependent (e.g.  More... | |
| QString | description () const | 
| Returns the description for the parameter.  More... | |
| QString | dynamicLayerParameterName () const | 
| Returns the name of the parameter for a layer linked to a dynamic parameter, or an empty string if this is not set.  More... | |
| QgsPropertyDefinition | dynamicPropertyDefinition () const | 
| Returns the property definition for dynamic properties.  More... | |
| Flags | flags () const | 
| Returns any flags associated with the parameter.  More... | |
| virtual bool | fromVariantMap (const QVariantMap &map) | 
| Restores this parameter to a QVariantMap.  More... | |
| QVariant | guiDefaultValueOverride () const | 
| Returns the default value to use in the GUI for the parameter.  More... | |
| QString | help () const | 
| Returns the help for the parameter.  More... | |
| virtual bool | isDestination () const | 
| Returns trueif this parameter represents a file or layer destination, e.g.  More... | |
| bool | isDynamic () const | 
| Returns trueif the parameter supports is dynamic, and can support data-defined values (i.e.  More... | |
| QVariantMap & | metadata () | 
| Returns the parameter's freeform metadata.  More... | |
| QVariantMap | metadata () const | 
| Returns the parameter's freeform metadata.  More... | |
| QString | name () const | 
| Returns the name of the parameter.  More... | |
| QgsProcessingProvider * | provider () const | 
| Returns a pointer to the provider for the algorithm which owns this parameter.  More... | |
| void | setAdditionalExpressionContextVariables (const QStringList &variables) | 
| Sets a list of additional expression context variables which are available for use when evaluating this parameter.  More... | |
| void | setDefaultValue (const QVariant &value) | 
| Sets the default value for the parameter.  More... | |
| void | setDescription (const QString &description) | 
| Sets the description for the parameter.  More... | |
| void | setDynamicLayerParameterName (const QString &name) | 
| Sets the name for the parameter for a layer linked to a dynamic parameter, or an empty string if this is not set.  More... | |
| void | setDynamicPropertyDefinition (const QgsPropertyDefinition &definition) | 
| Sets the property definition for dynamic properties.  More... | |
| void | setFlags (Flags flags) | 
| Sets the flags associated with the parameter.  More... | |
| void | setGuiDefaultValueOverride (const QVariant &value) | 
| Sets the default value to use for the parameter in GUI widgets.  More... | |
| void | setHelp (const QString &help) | 
| Sets the help for the parameter.  More... | |
| void | setIsDynamic (bool dynamic) | 
| Sets whether the parameter is dynamic, and can support data-defined values (i.e.  More... | |
| void | setMetadata (const QVariantMap &metadata) | 
| Sets the parameter's freeform metadata.  More... | |
| void | setName (const QString &name) | 
| Sets the name of the parameter.  More... | |
| virtual QString | toolTip () const | 
| Returns a formatted tooltip for use with the parameter, which gives helpful information like parameter description, ID, and extra content like default values (depending on parameter type).  More... | |
| virtual QVariantMap | toVariantMap () const | 
| Saves this parameter to a QVariantMap.  More... | |
| virtual QString | valueAsPythonComment (const QVariant &value, QgsProcessingContext &context) const | 
| Returns a Python comment explaining a parameter value, or an empty string if no comment is required.  More... | |
| Static Public Member Functions | |
| static QgsProcessingParameterBoolean * | fromScriptCode (const QString &name, const QString &description, bool isOptional, const QString &definition) | 
| Creates a new parameter using the definition from a script code.  More... | |
| static QString | typeName () | 
| Returns the type name for the parameter class.  More... | |
| Additional Inherited Members | |
|  Public Types inherited from QgsProcessingParameterDefinition | |
| enum | Flag { FlagAdvanced = 1 << 1 , FlagHidden = 1 << 2 , FlagOptional = 1 << 3 , FlagIsModelOutput = 1 << 4 } | 
| Parameter flags.  More... | |
|  Protected Attributes inherited from QgsProcessingParameterDefinition | |
| QStringList | mAdditionalExpressionVariables | 
| Additional expression context variables exposed for use by this parameter.  More... | |
| QgsProcessingAlgorithm * | mAlgorithm = nullptr | 
| Pointer to algorithm which owns this parameter.  More... | |
| QVariant | mDefault | 
| Default value for parameter.  More... | |
| QString | mDescription | 
| Parameter description.  More... | |
| QString | mDynamicLayerParameterName | 
| Linked vector layer parameter name for dynamic properties.  More... | |
| Flags | mFlags | 
| Parameter flags.  More... | |
| QVariant | mGuiDefault | 
| Default value for parameter in GUI.  More... | |
| QString | mHelp | 
| Parameter help.  More... | |
| bool | mIsDynamic = false | 
| True for dynamic parameters, which can have data-defined (QgsProperty) based values.  More... | |
| QVariantMap | mMetadata | 
| Freeform metadata for parameter. Mostly used by widget wrappers to customize their appearance and behavior.  More... | |
| QString | mName | 
| Parameter name.  More... | |
| QgsPropertyDefinition | mPropertyDefinition | 
| Data defined property definition.  More... | |
A boolean parameter for processing algorithms.
Definition at line 1600 of file qgsprocessingparameters.h.
| QgsProcessingParameterBoolean::QgsProcessingParameterBoolean | ( | const QString & | name, | 
| const QString & | description = QString(), | ||
| const QVariant & | defaultValue = QVariant(), | ||
| bool | optional = false | ||
| ) | 
Constructor for QgsProcessingParameterBoolean.
Definition at line 2495 of file qgsprocessingparameters.cpp.
| 
 | overridevirtual | 
Returns the parameter definition encoded in a string which can be used within a Processing script.
Reimplemented from QgsProcessingParameterDefinition.
Definition at line 2514 of file qgsprocessingparameters.cpp.
| 
 | overridevirtual | 
Creates a clone of the parameter definition.
Implements QgsProcessingParameterDefinition.
Definition at line 2499 of file qgsprocessingparameters.cpp.
| 
 | static | 
Creates a new parameter using the definition from a script code.
Definition at line 2524 of file qgsprocessingparameters.cpp.
| 
 | inlineoverridevirtual | 
Unique parameter type name.
Implements QgsProcessingParameterDefinition.
Definition at line 1615 of file qgsprocessingparameters.h.
| 
 | inlinestatic | 
Returns the type name for the parameter class.
Definition at line 1613 of file qgsprocessingparameters.h.
| 
 | overridevirtual | 
Returns a string version of the parameter input value, which is suitable for use as an input parameter value when running an algorithm directly from a Python command.
Reimplemented from QgsProcessingParameterDefinition.
Definition at line 2504 of file qgsprocessingparameters.cpp.