QGIS API Documentation  3.14.0-Pi (9f7028fd23)
Class Hierarchy

Go to the graphical class hierarchy

This inheritance list is sorted roughly, but not completely, alphabetically:
[detail level 123456]
 C_CohenSutherland
 C_LayerRef< TYPE >Internal structure to keep weak pointer to QgsMapLayer or layerId if the layer is not available yet
 C_LayerRef< QgsMapLayer >
 C_LayerRef< QgsVectorLayer >
 CQgsActionMenu::ActionData
 CQgsIdentifyMenu::ActionData
 CQgsAbstractMetadataBase::AddressMetadata address structure
 CQgsAggregateMappingModel::AggregateThe Aggregate struct holds information about an aggregate column
 CQgsAggregateCalculator::AggregateInfoStructured information about the available aggregates
 CQgsAggregateCalculator::AggregateParametersA bundle of parameters controlling aggregate calculation
 CQgsCadUtils::AlignMapPointConstraintStructure with details of one constraint
 CQgsCadUtils::AlignMapPointContextStructure defining all constraints for alignMapPoint() method
 CQgsCadUtils::AlignMapPointOutputStructure returned from alignMapPoint() method
 CAnchorAlongSegmentRecord about anchor being along a segment
 CAnchorPointRecord about vertex coordinates and index of anchor to which it is snapped
 CQgsTemporalUtils::AnimationExportSettingsContains settings relating to exporting animations
 CQgsUnitTypes::AreaValueA combination of area value and unit
 CQgsSQLComposerDialog::ArgumentArgument of a function
 CQgsAdvancedDigitizingDockWidget::CadConstraintThe CadConstraint is an abstract class for all basic constraints (angle/distance/x/y). It contains all values (locked, value, relative) and pointers to corresponding widgets
 Cpal::CandidatePolygonRingDistanceCalculatorCalculates distance from a label candidate to nearest polygon ring
 CQgsMapCanvas::CanvasProperties
 Cpal::Chain
 CQgsGeometryCheck::ChangeDescripts a change to fix a geometry
 Cpal::LabelInfo::CharacterInfo
 Cpal::CHullBox
 CQgsPalettedRasterRenderer::ClassProperties of a single value class
 CQgsColorRampShader::ColorRampItem
 CQgsAttributeTableConfig::ColumnConfigDefines the configuration of a column in the attribute table
 Ccomp
 CQgsAbstractGeoPdfExporter::ComponentLayerDetailContains details of a particular input component to be used during PDF composition
 CQgsAbstractGeometry::const_part_iterator
 CQgsLayerMetadata::ConstraintMetadata constraint structure
 CQgsAbstractMetadataBase::ContactMetadata contact structure
 CQgsOgcUtils::ContextThe Context struct stores the current layer and coordinate transform context
 CContourWriterData
 CQgsAbstractGeoPdfExporter::ControlPointContains details of a control point used during georeferencing GeoPDF outputs
 Cpal::CostCalculator
 CQgsOpenClUtils::CPLAllocator< T >Tiny smart-pointer-like wrapper around CPLMalloc and CPLFree: this is needed because OpenCL C++ API may throw exceptions
 CQgsTerrainDownloader::DataSourceDefinition of data source for terrain tiles (assuming "terrarium" data encoding with usual XYZ tiling scheme)
 CQgsVectorLayer::DeleteContextContext for cascade delete features
 CQgsLayerDefinition::DependencySorter
 CQgsImageOperation::DistanceTransformPropertiesStruct for storing properties of a distance transform operation
 CQgsUnitTypes::DistanceValueA combination of distance value and unit
 CQgsVectorFileWriter::DriverDetailsDetails of available driver formats
 CQgsDxfExport::DxfLayerLayers and optional attribute index to split into multiple layers using attribute value as layer name
 CDxfLayerJobHolds information about each layer in a DXF job
 CQgsTracerGraph::E
 CEffectPropertiesWidget
 Cpal::ElemTrans
 CQgsEllipsoidUtils::EllipsoidDefinitionContains definition of an ellipsoid
 CQgsEllipsoidUtils::EllipsoidParametersContains parameters for an ellipsoid
 CQgsNewsFeedParser::EntryRepresents a single entry from a news feed
 CQgsGeometry::Error
 CQgsMapRendererJob::Error
 Cexception
 CQgsAbstractGeoPdfExporter::ExportDetails
 CQgsLayoutItem::ExportLayerDetailContains details of a particular export layer relating to a layout item
 CQgsExpressionFieldBuffer::ExpressionField
 CQgsLayerMetadata::ExtentMetadata extent structure
 CFace_t
 Cpal::FeatsFor usage in problem solving algorithm
 CQgsFeatureListModel::FeatureInfo
 CQgsRuleBasedRenderer::FeatureToRenderFeature for rendering by a QgsRuleBasedRenderer
 CQgsVectorLayerFeatureIterator::FetchJoinInfoJoin information prepared for fast attribute id mapping in QgsVectorLayerJoinBuffer::updateFeatureAttributes()
 CQgsFields::Field
 CQgsFieldMappingModel::FieldThe Field struct holds information about a mapped field
 CQgsVectorFileWriter::FieldValueConverter
 CQgsRasterFileWriter::FilterFormatDetailsDetails of available filters and formats
 CQgsVectorFileWriter::FilterFormatDetailsDetails of available filters and formats
 Cfloat_pair_hash
 CQgsSQLComposerDialog::FunctionDescription of server functions
 Cgdal::GDALDatasetCloserCloses and cleanups GDAL dataset
 Cgdal::GDALWarpOptionsDeleterCloses and cleanups GDAL warp options
 CQgsAbstractDatabaseProviderConnection::TableProperty::GeometryColumnTypeThe GeometryColumnType struct represents the combination of geometry type and CRS for the table geometry column
 CGeometryGeneratorWidgetBase
 Cpal::GeomFunction
 CQgsAbstractGeoPdfExporter::GeoReferencedSection
 Cgeos::GeosDeleterDestroys the GEOS geometry geom, using the static QGIS geos context
 CQgsExifTools::GeoTagDetailsExtended image geotag details
 CQgsWfs::getFeatureQuery
 CQgsWfs::getFeatureRequest
 CQgsDatumTransform::GridDetailsContains information about a projection transformation grid file
 CQgsEditFormConfig::GroupData
 CQgsPointDistanceRenderer::GroupedFeatureContains properties for a feature within a clustered group
 CHalfEdge
 CIDataStream
 CQgsMapToolIdentify::IdentifyResult
 CQgsLayoutExporter::ImageExportSettingsContains settings relating to exporting layouts to raster images
 CQgsSnappingConfig::IndividualLayerSettings
 CQgsLayerTreeRegistryBridge::InsertionPointA structure to define the insertion point to the layer tree
 Cpal::InternalExceptionVarious Exceptions
 CIQueryStrategy
 CQgsConnectionPoolGroup< T >::Item
 CQgsAlignRaster::ItemDefinition of one raster layer for alignment
 CQgsLayerTreeModelLegendNode::ItemContext
 CQgsLayerTreeModelLegendNode::ItemMetrics
 CQgsGeometryCheckerUtils::LayerFeatures::iterator
 CIVisitor
 CIVisitor
 CQgs3DAnimationSettings::KeyframeKeyframe definition
 Cpal::LabelInfoOptional additional info about label (for curved labels)
 CQgsVectorTileWriter::Layer
 Cpal::LayerA set of features which influence the labeling process
 CQgsSnappingUtils::LayerConfigConfigures how a certain layer should be handled in a snapping operation
 CQgsInterpolator::LayerDataA source together with the information about interpolation attribute / z-coordinate interpolation and the type (point, structure line, breakline)
 CQgsSublayersDialog::LayerDefinitionA structure that defines layers for the purpose of this dialog
 CQgsProcessingContext::LayerDetailsDetails for layers to load into projects
 CQgsGeometryCheckerUtils::LayerFeature
 CQgsGeometryCheck::LayerFeatureIdsA list of layers and feature ids for each of these layers
 CQgsGeometryCheckerUtils::LayerFeatures
 CQgsLayerTreeModel::LayerLegendDataStructure that stores all data associated with one map layer
 CQgsLayerTreeModel::LayerLegendTreeStructure that stores tree representation of map layer's legend
 CQgsRasterLayer::LayerOptionsSetting options for loading raster layers
 CQgsMeshLayer::LayerOptionsSetting options for loading mesh layers
 CQgsVectorLayer::LayerOptionsSetting options for loading vector layers
 CQgsAccessControlFilter::LayerPermissionsDescribe the layer permission
 CQgsOgcUtils::LayerProperties
 CQgsGmlStreamingParser::LayerProperties
 CLayerPropertiesWidget
 CLessThanTileRequestHelper class for ordering tile requests according to the distance from view center
 CQgsAbstractMetadataBase::LinkMetadata link structure
 CQgsMapThemeCollection::MapThemeLayerRecord
 CQgsMapThemeCollection::MapThemeRecord
 CQgsMaskSourceSelectionWidget::MaskSource
 CQgsPointLocator::Match
 CQgsPointLocator::MatchFilterInterface that allows rejection of some matches in intersection queries (e.g
 CQgsExpressionTreeView::MenuProvider
 CQgsProjectStorage::Metadata
 CQgsVectorFileWriter::MetaData
 CMVTGeometryWriterHelper class for writing of geometry commands
 CQgsExpressionNode::NamedNodeNamed node
 CQgsVectorDataProvider::NativeType
 CQgsRasterNuller::NoData
 CQgsStyleEntityVisitorInterface::NodeContains information relating to a node (i.e
 CQgsSQLStatement::Node
 CQgsExpressionNode::NodeListA list of expression nodes
 CQgsSQLStatement::NodeListA list of nodes
 Cnumpunct
 Cgdal::OGRDataSourceDeleterDestroys OGR data sources
 Cgdal::OGRFeatureDeleterDestroys OGR feature
 Cgdal::OGRFldDeleterDestroys OGR field definition
 Cgdal::OGRGeometryDeleterDestroys OGR geometries
 CQgsCoordinateOperationWidget::OperationDetailsCoordinate operation details
 CQgsVectorFileWriter::Option
 CQgsFeatureRequest::OrderByClause
 COrderByDialogBase
 CQgsGeometryOverlapCheckError::OverlappedFeature
 CQgsLayoutExporter::PageExportDetailsContains details of a page being exported by the class
 Cpal::PalMain Pal labeling class
 Cpal::PalExceptionVarious Exceptions
 Cpal::PalStatSummary statistics of labeling problem
 CQgsExpressionFunction::Parameter
 CQgsKernelDensityEstimation::ParametersKDE parameters
 CParametricLine
 CQgsExpression::ParserErrorDetails about any parser errors that were found when parsing the expression
 CQgsAbstractGeometry::part_iterator
 CQgsLayoutExporter::PdfExportSettingsContains settings relating to exporting layouts to PDF
 Cpal::Point
 Cpal::PointSet
 CQgsDataProvider::PreviewContextStores settings related to the context in which a preview job runs
 CQgsLayoutExporter::PrintExportSettingsContains settings relating to printing layouts
 Cpal::PriorityQueue
 Cpal::ProblemRepresentation of a labeling problem
 CQgsAlignRaster::ProgressHandlerHelper struct to be sub-classed for progress reporting
 CPropertyAssistantBase
 CQgsDataProvider::ProviderOptionsSetting options for creating vector data providers
 CQAbstractItemDelegate
 CQAbstractItemModel
 CQAbstractListModel
 CQAbstractTableModel
 CQAction
 CQApplication
 CQComboBox
 CQDateTimeEdit
 CQDial
 CQDialog
 CQDockWidget
 CQDoubleSpinBox
 CQEntity
 CQFileDialog
 CQFrame
 CQFutureWatcher
 CQGeometry
 CQgis
 CQgisPluginAbstract base class from which all plugins must inherit
 CQGraphicsEffect
 CQGraphicsItem
 CQGraphicsRectItem
 CQGraphicsScene
 CQGraphicsView
 CQGroupBox
 CQgs25DRendererWidgetBase
 CQgs3DAnimationSettings
 CQgs3DMapScenePickHandler
 CQgs3DRendererAbstractMetadataBase metadata class for 3D renderers
 CQgs3DRendererRegistryKeeps track of available 3D renderers
 CQgs3DTypes
 CQgs3DUtils
 CQgsAABB
 CQgsAbstract3DRenderer
 CQgsAbstract3DSymbol
 CQgsAbstractCacheIndexAbstract base class for cache indices
 CQgsAbstractContentCacheEntry
 CQgsAbstractFeatureIterator
 CQgsAbstractFeatureSource
 CQgsAbstractGeometryAbstract base class for all geometries
 CQgsAbstractGeometrySimplifier
 CQgsAbstractGeoPdfExporter
 CQgsAbstractLabelProviderInterface class. Implementations return list of labels and their associated geometries - these are used by QgsLabelingEngine to compute the final layout of labels
 CQgsAbstractLayoutIteratorAn abstract base class for QgsLayout based classes which can be exported by QgsLayoutExporter
 CQgsAbstractMetadataBaseAn abstract base class for metadata stores
 CQgsAbstractMetadataBaseValidatorAbstract base class for metadata validators
 CQgsAbstractPropertyCollectionAbstract base class for QgsPropertyCollection like objects
 CQgsAbstractProviderConnectionThe QgsAbstractProviderConnection provides an interface for data provider connections
 CQgsAbstractValidityCheckAbstract base class for individual validity checks
 CQgsAbstractVectorLayerLabeling
 CQgsAccessControlFilterClass defining access control interface for QGIS Server plugins
 CQgsAction
 CQgsActionScope
 CQgsAddAttrDialogBase
 CQgsAddTabOrGroupBase
 CQgsAdvancedDigitizingDockWidgetBase
 CQgsAdvancedDigitizingFloaterBase
 CQgsAggregateCalculatorUtility class for calculating aggregates for a field (or expression) over the features from a vector layer. It is recommended that QgsVectorLayer::aggregate() is used rather then directly using this class, as the QgsVectorLayer method can handle delegating aggregate calculation to a data provider for remote calculation
 CQgsAlignRasterQgsAlignRaster takes one or more raster layers and warps (resamples) them so they have the same:
 CQgsAnalysis
 CQgsArchiveClass allowing to manage the zip/unzip actions
 CQgsArrowSymbolLayerWidgetBase
 CQgsAttributeEditorContext
 CQgsAttributeEditorElement
 CQgsAttributeFormInterface
 CQgsAttributeLoadValues
 CQgsAttributeTableConfig
 CQgsAuthAuthoritiesEditor
 CQgsAuthCertInfo
 CQgsAuthCertManager
 CQgsAuthCertUtilsUtilities for working with certificates and keys
 CQgsAuthConfigEdit
 CQgsAuthConfigEditor
 CQgsAuthConfigIdEdit
 CQgsAuthConfigSelect
 CQgsAuthConfigSslServerConfiguration container for SSL server connection exceptions or overrides
 CQgsAuthConfigUriEdit
 CQgsAuthCrypto
 CQgsAuthEditors
 CQgsAuthGuiUtilsUtility functions for use by authentication GUI widgets or standalone apps
 CQgsAuthIdentitiesEditor
 CQgsAuthImportCertDialog
 CQgsAuthImportIdentityDialog
 CQgsAuthMethodConfigConfiguration storage class for authentication method configurations
 CQgsAuthMethodMetadata
 CQgsAuthMethodPlugins
 CQgsAuthMethodRegistry
 CQgsAuthServersEditor
 CQgsAuthSettingsWidget
 CQgsAuthSslConfigWidget
 CQgsAuthSslErrorsDialog
 CQgsAuthSslTestDialog
 CQgsAuthTrustedCAsDialog
 CQgsAuxiliaryStorageClass providing some utility methods to manage auxiliary storage
 CQgsBasicNumericFormatWidgetBase
 CQgsBearingNumericFormatWidgetBase
 CQgsBearingUtils
 CQgsBookmarkRepresents a spatial bookmark, with a name, CRS and extent
 CQgsBox3d
 CQgsBrowserDockWidgetBase
 CQgsCadUtils
 CQgsCalloutAbstract base class for callout renderers
 CQgsCalloutAbstractMetadata
 CQgsCallout::QgsCalloutContextContains additional contextual information about the context in which a callout is being rendered
 CQgsCalloutRegistry
 CQgsCameraPose
 CQgsCategorizedSymbolRendererWidget
 CQgsCharacterSelectorBase
 CQgsCheckBoxConfigDlgBase
 CQgsChunkLoaderFactory
 CQgsClassificationMethod
 CQgsClassificationMethodRegistry
 CQgsClassificationRange
 CQgsClipper
 CQgsColorBrewerColorRampWidgetBase
 CQgsColorBrewerPalette
 CQgsColorDialogBase
 CQgsColorRampAbstract base class for color ramps
 CQgsColorRampShaderWidgetBase
 CQgsColorSchemeAbstract base class for color schemes
 CQgsColorSchemeRegistryRegistry of color schemes
 CQgsCompositionConverterQgsCompositionConverter class converts a QGIS 2.x composition to a QGIS 3.x layout
 CQgsCompoundColorWidgetBase
 CQgsConditionalStyle
 CQgsConfigureShortcutsDialog
 CQgsConnectionPool< T, T_Group >
 CQgsConnectionPoolGroup< T >
 CQgsConstWkbPtr
 CQgsContrastEnhancement
 CQgsContrastEnhancementFunction
 CQgsCoordinateFormatterContains methods for converting coordinates for display in various formats
 CQgsCoordinateOperationWidgetBase
 CQgsCoordinateReferenceSystem
 CQgsCoordinateTransform
 CQgsCoordinateTransformContext
 CQgsCptCityArchive
 CQgsCptCityColorRampDialogBase
 CQgsCredentials
 CQgsCurrencyNumericFormatWidgetBase
 CQgsCurveTransformHandles scaling of input values to output values by using a curve created from smoothly joining a number of set control points
 CQgsDartMeasurement
 CQgsDashSpaceWidgetBase
 CQgsDataDefinedSizeLegend
 CQgsDataDefinedSizeLegendWidget
 CQgsDataDefinedValueBaseDialog
 CQgsDataItemGuiContext
 CQgsDataItemGuiProvider
 CQgsDataItemGuiProviderRegistry
 CQgsDataItemProvider
 CQgsDataProviderTemporalCapabilities
 CQgsDataSourceManagerDialog
 CQgsDataSourceSelectDialog
 CQgsDataSourceUri
 CQgsDateTimeEditConfig
 CQgsDateTimeStatisticalSummaryCalculator for summary statistics and aggregates for a list of datetimes
 CQgsDatumTransformContains methods and classes relating the datum transformations
 CQgsDatumTransformDialogBase
 CQgsDefaultValueContainer for managing client side default values for fields
 CQgsDetailedItemData
 CQgsDetailedItemWidgetBase
 CQgsDevToolWidgetFactory
 CQgsDiagram
 CQgsDiagramInterpolationSettings
 CQgsDiagramLayerSettingsStores the settings for rendering of all diagrams for a layer
 CQgsDiagramRendererEvaluates and returns the diagram settings relating to a diagram for a specific feature
 CQgsDiagramSettingsStores the settings for rendering a single diagram
 CQgsDistanceArea
 CQgsDualViewBase
 CQgsDummyConfigDlgBase
 CQgsVectorLayerUtils::QgsDuplicateFeatureContextContains mainly the QMap with QgsVectorLayer and QgsFeatureIds do list all the duplicated features
 CQgsEditConditionalRuleWidget
 CQgsEditFormConfig
 CQgsEditorWidgetAutoConfPlugin
 CQgsEditorWidgetFactory
 CQgsEditorWidgetSetup
 CQgsEffectPainterA class to manager painter saving and restoring required for effect drawing
 CQgsEffectStackPropertiesWidgetBase
 CQgsEllipseEllipse geometry type
 CQgsEllipsoidUtils
 CQgsError
 CQgsErrorDialogBase
 CQgsErrorMessage
 CQgsException
 CQgsExifToolsContains utilities for working with EXIF tags in images
 CQgsExpression
 CQgsExpressionBuilderDialogBase
 CQgsExpressionBuilderWidgetBase
 CQgsExpressionContextExpression contexts are used to encapsulate the parameters around which a QgsExpression should be evaluated. QgsExpressions can then utilize the information stored within a context to contextualise their evaluated result. A QgsExpressionContext consists of a stack of QgsExpressionContextScope objects, where scopes added later to the stack will override conflicting variables and functions from scopes lower in the stack
 CQgsExpressionContextGenerator
 CQgsExpressionContextScopeSingle scope for storing variables and functions for use within a QgsExpressionContext. Examples include a project's scope, which could contain information about the current project such as the project file's location. QgsExpressionContextScope can encapsulate both variables (static values) and functions(which are calculated only when an expression is evaluated)
 CQgsExpressionContextScopeGenerator
 CQgsExpressionContextScopePopper
 CQgsExpressionContextUtilsContains utilities for working with QgsExpressionContext objects, including methods for creating scopes for specific uses (e.g., project scopes, layer scopes)
 CQgsExpressionFieldBuffer
 CQgsExpressionFunction
 CQgsExpressionNode
 CQgsExpressionPreviewWidgetBase
 CQgsExpressionSelectionDialogBase
 CQgsExpressionStoreDialogBase
 CQgsExtentGroupBoxWidget
 CQgsExternalResourceConfigDlg
 CQgsFeature
 CQgsVectorLayerUtils::QgsFeatureDataEncapsulate geometry and attributes for new features, to be passed to createFeatures
 CQgsFeatureFilterProvider
 CQgsFeatureIterator
 CQgsFeatureModel
 CQgsFeatureRenderer
 CQgsFeatureRequest
 CQgsFeatureSelectionDlg
 CQgsFeatureSink
 CQgsFeatureSource
 CQgsField
 CQgsFieldConditionalWidget
 CQgsFieldConstraints
 CQgsFieldFormatter
 CQgsFieldFormatterContext
 CQgsFields
 CQgsFileFilterGenerator
 CQgsFileUtilsClass for file utilities
 CQgsFindFilesByPatternWidgetBase
 CQgsFontUtils
 CQgsFractionNumericFormatWidgetBase
 CQgsGdalUtilsUtilities for working with GDAL
 CQgsGenericProjectionSelectorBase
 CQgsGenericSpatialIndex< T >
 CQgsGenericSpatialIndex< QgsLabelPosition >
 CQgsGeometry
 CQgsGeometryCheck
 CQgsGeometryCheckContext
 CQgsGeometryCheckError
 CQgsGeometryCheckerUtils
 CQgsGeometryCheckFactory
 CQgsGeometryCheckRegistry
 CQgsGeometryCheckResolutionMethod
 CQgsGeometryConstPartIteratorJava-style iterator for const traversal of parts of a geometry
 CQgsGeometryEditUtilsConvenience functions for geometry editing
 CQgsGeometryEngineContains geometry relation and modification algorithms
 CQgsGeometryFactoryContains geometry creation routines
 CQgsGeometryPartIteratorJava-style iterator for traversal of parts of a geometry
 CQgsGeometryPrivate
 CQgsGeometrySnapperSingleSource
 CQgsGeometryUtilsContains various geometry utility functions
 CQgsGeoNodeConnectionEncapsulates settings related to a single GeoNode connection
 CQgsGeoNodeConnectionUtilsContains various utilities for managing the known collection of GeoNode servers associated with a QGIS install
 CQgsGeoNodeStyleEncapsulates information about a GeoNode layer style
 CQgsGmlFeatureClass
 CQgsGmlStreamingParser
 CQgsGpsConnectionRegistry
 CQgsGpsInformation
 CQgsGradientColorRampDialogBase
 CQgsGradientStopRepresents a color stop within a QgsGradientColorRamp color ramp
 CQgsGraduatedSymbolRendererWidget
 CQgsGraphMathematical graph representation
 CQgsGraphAnalyzer
 CQgsGraphBuilderInterfaceDetermine interface for creating a graph. Contains the settings of the graph. QgsGraphBuilder and QgsGraphDirector both use a "builder" design pattern
 CQgsGraphEdgeThis class implements a graph edge
 CQgsGraphVertexThis class implements a graph vertex
 CQgsGridFileWriter
 CQgsGroupWMSDataDialogBase
 CQgsHeatmapRendererWidgetBase
 CQgsHelpHelper class for showing help topic URI for the given key
 CQgsHillShadeWidget
 CQgsHistogramCalculator for a numeric histogram from a list of values
 CQgsHistogramWidgetBase
 CQgsHtmlUtilsClass for HTML utilities
 CQgsImageOperationContains operations and filters which apply to QImages
 CQgsIndexedFeature
 CQgsInternalGeometryEngine
 CQgsInternalGeometrySnapper
 CQgsInterpolatedLineColor
 CQgsInterpolatedLineRenderer
 CQgsInterpolatedLineWidth
 CQgsInterpolator
 CQgsInterpolatorVertexDataInterpolation data for an individual source vertex
 CQgsIntervalA representation of the interval between two datetime values
 CQgsInvertedPolygonRendererWidgetBase
 CQgsJsonExporterHandles exporting QgsFeature features to GeoJSON features
 CQgsJsonUtilsHelper utilities for working with JSON and GeoJSON conversions
 CQgsKernelDensityEstimation
 CQgsLabelBlockingRegion
 CQgsLabelCandidate
 CQgsLabelEngineConfigWidgetBase
 CQgsLabelFeatureDescribes a feature that should be used within the labeling engine. Those may be the usual textual labels, diagrams, or any other custom type of map annotations (generated by custom label providers)
 CQgsLabeling
 CQgsLabelingEngineMap labeling functionality. The input for the engine is a list of label provider objects and map settings. Based on the input, the engine computes layout of labels for the given map view with no collisions between the labels. Drawing of resulting labels is done again by label providers
 CQgsLabelingEngineSettings
 CQgsLabelingResults
 CQgsLabelingRulePropsWidget
 CQgsLabelingUtilsContains helper utilities for working with QGIS' labeling engine
 CQgsLabelingWidget
 CQgsLabelObstacleSettings
 CQgsLabelObstacleSettingsWidgetBase
 CQgsLabelPosition
 CQgsLabelSearchTree
 CQgsLabelSink
 CQgsLabelSorter
 CQgsLabelThinningSettings
 CQgsLayerDefinitionHolds generic methods for loading/exporting QLR files
 CQgsLayerMetadataFormatterClass for metadata formatter
 CQgsLayerRestorer
 CQgsLayerTreeEmbeddedConfigWidgetBase
 CQgsLayerTreeEmbeddedWidgetProvider
 CQgsLayerTreeEmbeddedWidgetRegistry
 CQgsLayerTreeUtils
 CQgsLayerTreeViewMenuProvider
 CQgsLayoutAlignerHandles aligning and distributing sets of layout items
 CQgsLayoutAtlasWidgetBase
 CQgsLayoutAttributeSelectionDialogBase
 CQgsLayoutAttributeTableWidgetBase
 CQgsLayoutExporterHandles rendering and exports of layouts to various formats
 CQgsLayoutGuideWidgetBase
 CQgsLayoutGuiUtils
 CQgsLayoutHtmlWidgetBase
 CQgsLayoutImageExportOptionsDialog
 CQgsLayoutItemAbstractGuiMetadataStores GUI metadata about one layout item class
 CQgsLayoutItemAbstractMetadataStores metadata about one layout item class
 CQgsLayoutItemGuiGroupStores GUI metadata about a group of layout item classes
 CQgsLayoutItemMapItemStackA collection of map items which are drawn above the map content in a QgsLayoutItemMap. The item stack controls which items are drawn and the order they are drawn in
 CQgsLayoutItemRenderContext
 CQgsLayoutItemWidgetBase
 CQgsLayoutLabelWidgetBase
 CQgsLayoutLegendLayersDialogBase
 CQgsLayoutManualTableWidgetBase
 CQgsLayoutMapGridWidgetBase
 CQgsLayoutMapLabelingWidgetBase
 CQgsLayoutMapWidgetBase
 CQgsLayoutMarkerWidgetBase
 CQgsLayoutMeasurementThis class provides a method of storing measurements for use in QGIS layouts using a variety of different measurement units
 CQgsLayoutMeasurementConverterThis class provides a method of converting QgsLayoutMeasurements from one unit to another. Conversion to or from pixel units utilizes a specified dots per inch (DPI) property for the converter. Converters default to using 300 DPI
 CQgsLayoutMultiFrameAbstractMetadataStores metadata about one layout multiframe class
 CQgsLayoutNewItemPropertiesDialog
 CQgsLayoutNewPageDialog
 CQgsLayoutPagePropertiesWidget
 CQgsLayoutPictureWidgetBase
 CQgsLayoutPointThis class provides a method of storing points, consisting of an x and y coordinate, for use in QGIS layouts. Measurement units are stored alongside the position
 CQgsLayoutPolygonWidgetBase
 CQgsLayoutPolylineWidgetBase
 CQgsLayoutScaleBarWidgetBase
 CQgsLayoutShapeWidgetBase
 CQgsLayoutSizeThis class provides a method of storing sizes, consisting of a width and height, for use in QGIS layouts. Measurement units are stored alongside the size
 CQgsLayoutTableBackgroundDialog
 CQgsLayoutTableColumn
 CQgsLayoutTableStyleStyling option for a layout table cell
 CQgsLayoutUndoObjectInterface
 CQgsLayoutUtils
 CQgsLayoutViewMenuProvider
 CQgsLayoutWidgetBase
 CQgsLegendPatchShape
 CQgsLegendPatchShapeWidgetBase
 CQgsLegendRendererHandles automatic layout and rendering of legend. The content is given by QgsLayerTreeModel instance. Various layout properties can be configured within QgsLegendRenderer
 CQgsLegendSettingsStores the appearance and layout settings for legend drawing with QgsLegendRenderer. The content of the legend is given in QgsLegendModel class
 CQgsLegendStyle
 CQgsLegendSymbolItem
 CQgsLimitedRandomColorRampWidgetBase
 CQgsLineSegment2D
 CQgsLocalDefaultSettingsContains local default settings which should be respected when creating new objects such as QgsProjects
 CQgsLocaleNumC
 CQgsLocalizedDataPathRegistry
 CQgsLocatorContext
 CQgsLocatorResult
 CQgsLogger
 CQgsLUDialogBase
 CQgsManageConnectionsDialogBase
 CQgsMapCanvasInteractionBlocker
 CQgsMapCanvasUtils
 CQgsMapDecorationInterface for map decorations
 CQgsMapHitTest
 CQgsMapLayerConfigWidgetFactory
 CQgsMapLayerDependency
 CQgsMapLayerLegendUtils
 CQgsMapLayerRenderer
 CQgsMapLayerStyle
 CQgsMapLayerStyleOverride
 CQgsWms::QgsMapRendererJobProxyProxy for sequential or parallel map render job
 CQgsMapSettingsUtils
 CQgsMapToPixel
 CQgsMapUnitScaleStruct for storing maximum and minimum scales for measurements in map units
 CQgsMapUnitScaleWidgetBase
 CQgsMarginsDefines the four margins of a rectangle
 CQgsMaskIdProvider
 CQgsMaskingWidgetBase
 CQgsMaskSymbolLayerWidgetBase
 CQgsMasterLayoutInterfaceInterface for master layout type objects, such as print layouts and reports
 CQgsMasterPasswordResetDialog
 CQgsMbTiles
 CQgsMemoryProviderUtils
 CQgsMesh
 CQgsMesh3dAveragingMethod
 CQgsMesh3dDataBlock
 CQgsMeshCalculator
 CQgsMeshContours
 CQgsMeshDataBlock
 CQgsMeshDatasetGroupMetadata
 CQgsMeshDatasetGroupTreeItem
 CQgsMeshDatasetIndex
 CQgsMeshDatasetMetadata
 CQgsMeshDatasetSourceInterface
 CQgsMeshDatasetValue
 CQgsMeshDataSourceInterface
 CQgsMeshDriverMetadata
 CQgsMeshRendererMeshSettings
 CQgsMeshRendererScalarSettings
 CQgsMeshRendererSettings
 CQgsMeshRendererVectorArrowSettings
 CQgsMeshRendererVectorSettings
 CQgsMeshRendererVectorStreamlineSettings
 CQgsMeshRendererVectorTracesSettings
 CQgsMeshSimplificationSettings
 CQgsMeshSpatialIndex
 CQgsMeshTimeSettings
 CQgsMeshVectorTraceAnimationGenerator
 CQgsMessageLogNotifyBlockerTemporarily blocks the application QgsMessageLog (see QgsApplication::messageLog()) from emitting the messageReceived( bool ) signal for the lifetime of the object
 CQgsMessageLogViewer
 CQgsMessageOutput
 CQgsMessageViewer
 CQgsMetadataWidgetBase
 CQgsMimeDataUtils
 CQgsModelSnapperManages snapping grids and preset snap lines in a layout, and handles snapping points to the nearest grid coordinate/snap line when possible
 CQgsMultiBandColorRendererWidgetBase
 CQgsMultiRenderChecker
 CQgsNetworkAuthenticationHandlerNetwork authentication handler, used for responding to network authentication requests during network requests
 CQgsNetworkReplyContentEncapsulates a network reply within a container which is inexpensive to copy and safe to pass between threads
 CQgsNetworkRequestParameters
 CQgsNetworkStrategyQgsNetworkStrategy defines strategy used for calculation of the edge cost. For example it can take into account travel distance, amount of time or money. Currently there are two strategies implemented in the analysis library: QgsNetworkDistanceStrategy and QgsNetworkSpeedStrategy. QgsNetworkStrategy implemented using "strategy" design pattern
 CQgsNewAuxiliaryFieldDialogBase
 CQgsNewAuxiliaryLayerDialogBase
 CQgsNewDatabaseTableNameWidget
 CQgsNewGeoPackageLayerDialogBase
 CQgsNewHttpConnectionBase
 CQgsNewMemoryLayerDialogBase
 CQgsNewOgrConnectionBase
 CQgsNewVectorLayerDialogBase
 CQgsNineCellFilter
 CQgsNumericFormat
 CQgsNumericFormatConfigurationWidgetFactoryInterface base class for factories for numeric format configuration widgets
 CQgsNumericFormatContext
 CQgsNumericFormatGuiRegistryThe QgsNumericFormatGuiRegistry is a home for widgets for configuring QgsNumericFormat objects
 CQgsNumericFormatRegistry
 CQgsNumericFormatSelectorBase
 CQgsObjectCustomProperties
 CQgsOgcUtilsVarious utility functions for conversion between OGC (Open Geospatial Consortium) standards and QGIS internal representations
 CQgsOgcUtilsExpressionFromFilterInternal use by QgsOgcUtils
 CQgsOgcUtilsExprToFilter
 CQgsOgcUtilsSQLStatementToFilter
 CQgsOgrUtilsUtilities for working with OGR features and layers
 CQgsOpenClUtilsResponsible for common OpenCL operations such as
 CQgsOptional< T >QgsOptional is a container for other classes and adds an additional enabled/disabled flag
 CQgsOptional< QgsExpression >
 CQgsOrganizeTableColumnsDialog
 CQgsOWSServerFilterRestorerRAII class to restore layer filters on destruction
 CQgsOWSSourceSelectBase
 CQgsPageSizeA named page size for layouts
 CQgsPageSizeRegistryA registry for known page sizes
 CQgsPaintEffectBase class for visual effects which can be applied to QPicture drawings
 CQgsPaintEffectAbstractMetadataStores metadata about a paint effect class
 CQgsPaintEffectRegistryRegistry of available paint effects
 CQgsPainterSwapperA class to manage painter saving and restoring required for drawing on a different painter (mask painter for example)
 CQgsPainting
 CQgsPalettedRendererWidgetBase
 CQgsPalLabeling
 CQgsPalLayerSettings
 CQgsPathResolver
 CQgsPdfExportOptionsDialog
 CQgsPercentageNumericFormatWidgetBase
 CQgsPhongMaterialSettings
 CQgsPkiBundleStorage set for PKI bundle: SSL certificate, key, optional CA cert chain
 CQgsPkiConfigBundleStorage set for constructed SSL certificate, key, associated with an authentication config
 CQgsPluginLayerRegistry
 CQgsPluginLayerType
 CQgsPointClusterRendererWidgetBase
 CQgsPointDisplacementRendererWidgetBase
 CQgsPointLightSettings
 CQgsPointXY
 CQgsPostgresStringUtils
 CQgsPresetColorRampWidgetBase
 CQgsProcessing
 CQgsProcessingAlgorithm
 CQgsProcessingAlgorithmConfigurationWidgetFactoryInterface base class for factories for algorithm configuration widgets
 CQgsProcessingContext
 CQgsProcessingContextGenerator
 CQgsProcessingFeatureSourceDefinition
 CQgsProcessingGui
 CQgsProcessingGuiRegistryThe QgsProcessingGuiRegistry is a home for widgets for processing configuration widgets
 CQgsProcessingLayerPostProcessorInterfaceAn interface for layer post-processing handlers for execution following a processing algorithm operation
 CQgsProcessingOutputDefinition
 CQgsProcessingOutputLayerDefinition
 CQgsProcessingParameterDefinition
 CQgsProcessingParameterLimitedDataTypes
 CQgsProcessingParameters
 CQgsProcessingParametersGenerator
 CQgsProcessingParameterTypeMakes metadata of processing parameters available
 CQgsProcessingParameterWidgetContext
 CQgsProcessingParameterWidgetFactoryInterface
 CQgsProcessingUtils
 CQgsProjContext
 CQgsProjectBadLayerHandler
 CQgsProjectDirtyBlockerTemporarily blocks QgsProject "dirtying" for the lifetime of the object
 CQgsProjectFileTransform
 CQgsProjectionSelectorBase
 CQgsProjectProperty
 CQgsProjectServerValidatorValidates the server specific parts of the configuration of a QGIS project
 CQgsProjectStorage
 CQgsProjectStorageGuiProvider
 CQgsProjectStorageGuiRegistry
 CQgsProjectStorageRegistry
 CQgsProjectTranslator
 CQgsProjectVersion
 CQgsProjUtils
 CQgsPropertyA store for object properties
 CQgsPropertyDefinitionDefinition for a property
 CQgsPropertyTransformerAbstract base class for objects which transform the calculated value of a property. Possible uses include transformers which map a value into a scaled size or color from a gradient
 CQgsProviderGuiMetadata
 CQgsProviderGuiRegistry
 CQgsProviderRegistry
 CQgsPythonRunner
 CQgsQuadrilateralQuadrilateral geometry type. A quadrilateral is a polygon with four edges (or sides) and four vertices or corners. This class allows the creation of simple quadrilateral (which does not self-intersect)
 CQgsQueryBuilderBase
 CQgsQuickFeatureLayerPair
 CQgsRange< T >
 CQgsRangeConfigDlgBase
 CQgsRaster
 CQgsRasterBandStats
 CQgsRasterBlock
 CQgsRasterCalcNode
 CQgsRasterCalculator
 CQgsRasterCalculatorEntry
 CQgsRasterChecker
 CQgsRasterContourRendererWidget
 CQgsRasterDrawer
 CQgsRasterFileWriter
 CQgsRasterFormatSaveOptionsWidgetBase
 CQgsRasterHistogram
 CQgsRasterHistogramWidgetBase
 CQgsRasterIdentifyResult
 CQgsRasterInterface
 CQgsRasterIterator
 CQgsRasterLayerPropertiesBase
 CQgsRasterLayerSaveAsDialogBase
 CQgsRasterLayerTemporalPropertiesWidgetBase
 CQgsRasterMatrix
 CQgsRasterMinMaxOrigin
 CQgsRasterMinMaxWidgetBase
 CQgsRasterPipe
 CQgsRasterPyramid
 CQgsRasterPyramidsOptionsWidgetBase
 CQgsRasterRange
 CQgsRasterRendererRegistry
 CQgsRasterRendererRegistryEntry
 CQgsRasterResampler
 CQgsRasterShader
 CQgsRasterShaderFunction
 CQgsRasterTransparency
 CQgsRasterTransparencyWidget
 CQgsRasterViewPort
 CQgsRay2DA 2D ray which extends from an origin point to an infinite distance in a given direction
 CQgsReadWriteContext
 CQgsReadWriteContextCategoryPopper
 CQgsReadWriteLocker
 CQgsRectangle
 CQgsReferencedGeometryBase
 CQgsRegularPolygonRegular Polygon geometry type
 CQgsRelation
 CQgsRelationContext
 CQgsRelief
 CQgsRelReferenceConfigDlgBase
 CQgsRemappingSinkDefinition
 CQgsRenderChecker
 CQgsRenderedFeatureHandlerInterface
 CQgsWms::QgsRendererMap renderer for WMS requests
 CQgsRendererAbstractMetadata
 CQgsRendererCategoryRepresents an individual category (class) from a QgsCategorizedSymbolRenderer
 CQgsRendererPropsDialogBase
 CQgsRendererRange
 CQgsRendererRangeLabelFormat
 CQgsRendererRasterPropsWidgetBase
 CQgsRendererRegistryRegistry of renderers
 CQgsRendererRulePropsWidget
 CQgsRendererWidgetContainerBase
 CQgsRequestHandler
 CQgsRuleBasedLabelingWidget
 CQgsRuleBasedRendererCount
 CQgsRuleBasedRendererWidget
 CQgsRuntimeProfiler
 CQgsSatelliteInfo
 CQgsScaleBarRenderer
 CQgsScaleBarRendererRegistry
 CQgsScaleBarSettings
 CQgsScaleCalculator
 CQgsScaleUtils
 CQgsScientificNumericFormatWidgetBase
 CQgsScopedProxyProgressTask
 CQgsScopedRenderContextPainterSwap
 CQgsScopedRenderContextScaleToMm
 CQgsScopedRenderContextScaleToPixels
 CQgsScopedRuntimeProfile
 CQgsScopeLogger
 CQgsServer
 CQgsServerApi
 CQgsServerApiContext
 CQgsServerApiUtils
 CQgsServerCacheFilterClass defining cache interface for QGIS Server plugins
 CQgsServerCacheManagerA helper class that centralizes caches accesses given by all the server cache filter plugins
 CQgsServerFilterClass defining I/O filters for QGIS Server and implemented in plugins
 CQgsServerInterface
 CQgsServerOgcApiHandler
 CQgsServerParameterDefinitionDefinition of a parameter with basic conversion methods
 CQgsServerParametersQgsServerParameters provides an interface to retrieve and manipulate global parameters received from the client
 CQgsServerPluginsInitializes Python server plugins and stores a list of server plugin names
 CQgsServerQueryStringParameterHolds the information regarding a query string input parameter and its validation
 CQgsServerRequest
 CQgsServerResponse
 CQgsServerSettingsProvides a way to retrieve settings by prioritizing according to environment variables, ini file and default values
 CQgsService
 CQgsServiceModuleClass defining the service module interface for QGIS server services
 CQgsServiceNativeLoaderClass defining the native service module loader for QGIS server services
 CQgsServiceNativeModuleEntryNative module (location, the module itself and the unload function)
 CQgsServiceRegistry
 CQgsSignalBlocker< Object >
 CQgsSimplifyMethod
 CQgsSingleBandGrayRendererWidgetBase
 CQgsSingleBandPseudoColorRendererWidgetBase
 CQgsSingleGeometryCheckError
 CQgsSmartGroupConditionWidget
 CQgsSmartGroupEditorDialogBase
 CQgsSnapIndicator
 CQgsSnappingConfig
 CQgsSourceSelectProvider
 CQgsSourceSelectProviderRegistry
 CQgsSpatialIndexKDBush
 CQgsSpatialIndexKDBushData
 CQgsSpatialIndexUtils
 CQgsSpatialiteCloser
 CQgsSQLComposerDialogBase
 CQgsSqlExpressionCompilerGeneric expression compiler for translation to provider specific SQL WHERE clauses
 CQgsSqlite3Closer
 CQgsSqlite3StatementFinalizerFinalizes an sqlite3 statement
 CQgsSqliteUtilsContains utilities for working with Sqlite data sources
 CQgsSQLStatement
 CQgsSslErrorHandlerSSL error handler, used for responding to SSL errors encountered during network requests
 CQgsStatisticalSummaryCalculator for summary statistics for a list of doubles
 CQgsStoredExpression
 CQgsStringReplacementA representation of a single string replacement
 CQgsStringReplacementCollectionA collection of string replacements (specified using QgsStringReplacement objects)
 CQgsStringStatisticalSummaryCalculator for summary statistics and aggregates for a list of strings
 CQgsStringUtilsUtility functions for working with strings
 CQgsStyleEntityInterface
 CQgsStyleEntityVisitorInterface
 CQgsStyleExportImportDialogBase
 CQgsStyleItemsListWidgetBase
 CQgsStyleManagerDialogBase
 CQgsStyleSaveDialog
 CQgsSublayersDialogBase
 CQgsSubstitutionListWidgetBase
 CQgsSymbol
 CQgsSymbolLayer
 CQgsSymbolLayerAbstractMetadata
 CQgsSymbolLayerIdWe may need stable references to symbol layers, when pointers to symbol layers is not usable (when a symbol or a feature renderer is cloned for example)
 CQgsSymbolLayerReference
 CQgsSymbolLayerRegistry
 CQgsSymbolLayerUtils
 CQgsSymbolLevelItem
 CQgsSymbolLevelsDialogBase
 CQgsSymbolRenderContext
 CQgsSymbolSelectorDialogBase
 CQgsSymbolWidgetContext
 CQgsTableCellEncapsulates the contents and formatting of a single table cell
 CQgsTableWidgetUiBase
 CQgsTemporalControllerWidgetBase
 CQgsTemporalRange< T >
 CQgsTemporalRangeObject
 CQgsTemporalUtilsContains utility methods for working with temporal layers and projects
 CQgsTemporaryCursorOverrideTemporarily sets a cursor override for the QApplication for the lifetime of the object
 CQgsTemporaryCursorRestoreOverrideTemporarily removes all cursor overrides for the QApplication for the lifetime of the object
 CQgsTerrainDownloader
 CQgsTessellator
 CQgsTextBackgroundSettings
 CQgsTextBlock
 CQgsTextBufferSettings
 CQgsTextCharacterFormat
 CQgsTextDocument
 CQgsTextEditConfigDlg
 CQgsTextFormat
 CQgsTextFormatWidgetBase
 CQgsTextFragment
 CQgsTextMaskSettings
 CQgsTextRenderer
 CQgsTextRendererUtils
 CQgsTextShadowSettings
 CQgsThreadingUtils
 CQgsTileCacheA simple tile cache implementation
 CQgsTileMatrix
 CQgsTileRange
 CQgsTileXYZ
 CQgsTilingScheme
 CQgsTolerance
 CQgsTracerGraphSimple graph structure for shortest path search
 CQgsTranslationContextUsed for the collecting of strings from projects for translation and creation of ts files
 CQgsTriangularMesh
 CQgsUniqueValuesConfigDlgBase
 CQgsUnitSelectionWidget
 CQgsUnitTypesHelper functions for various unit types
 CQgsUserProfile
 CQgsValidityCheckContextBase class for validity check contexts
 CQgsValidityCheckRegistry
 CQgsValidityCheckResultRepresents an individual result from a validity check run by a QgsAbstractValidityCheck subclass
 CQgsValidityCheckResultsBase
 CQgsValueMapWidget
 CQgsValueRelationConfigDlgBase
 CQgsVector
 CQgsVector3D
 CQgsVectorLayer3DTilingSettings
 CQgsVectorLayerEditUtils
 CQgsVectorLayerJoinInfo
 CQgsVectorLayerSaveAsDialogBase
 CQgsVectorLayerServerProperties
 CQgsVectorLayerTemporalContext
 CQgsVectorLayerTemporalPropertiesWidgetBase
 CQgsVectorLayerUtilsContains utility methods for working with QgsVectorLayers
 CQgsVectorSimplifyMethod
 CQgsVectorTileBasicLabelingStyle
 CQgsVectorTileBasicRendererStyle
 CQgsVectorTileLabeling
 CQgsVectorTileMVTDecoder
 CQgsVectorTileMVTEncoder
 CQgsVectorTileMVTUtils
 CQgsVectorTileRawData
 CQgsVectorTileRenderer
 CQgsVectorTileRendererData
 CQgsVectorTileUtils
 CQgsVectorTileWriter
 CQgsVertexIdUtility class for identifying a unique vertex within a geometry
 CQgsVertexIteratorJava-style iterator for traversal of vertices of a geometry
 CQgsVirtualLayerDefinition
 CQgsVirtualLayerDefinitionUtils
 CQgsWeakRelationRepresent a QgsRelation with possibly unresolved layers or unmatched fields
 CQgsWkbPtr
 CQgsWkbTypesHandles storage of information regarding WKB types and their properties
 CQgsWms::QgsWmsParametersComposerMap
 CQgsWms::QgsWmsParametersExternalLayer
 CQgsWms::QgsWmsParametersFilter
 CQgsWms::QgsWmsParametersHighlightLayer
 CQgsWms::QgsWmsParametersLayer
 CQgsWms::QgsWmsRenderContextRendering context for the WMS renderer
 CQgsWms::QgsWmsRestorer
 CQgsXmlUtils
 CQgsZonalStatistics
 CQItemDelegate
 CQItemSelectionModel
 CQLabel
 CQLineEdit
 CQList
 CQListView
 CQMaterial
 CQMenu
 CQMouseEvent
 CQNetworkAccessManager
 CQNetworkDiskCache
 CQObject
 CQObjectUniquePtr< T >Keeps a pointer to a QObject and deletes it whenever this object is deleted
 CQObjectUniquePtr< QgsMapToolDigitizeFeature >
 CQObjectUniquePtr< QgsMapToolIdentifyFeature >
 CQObjectUniquePtr< QgsRubberBand >
 CQPaintDevice
 CQPaintEngine
 CQPair
 CQProgressDialog
 CQProxyStyle
 CQQmlExtensionPlugin
 CQQuickItem
 CQQuickTransform
 CQsciScintilla
 CQScrollArea
 CQSGNode
 CQSlider
 CQSortFilterProxyModel
 CQSpinBox
 CQStackedWidget
 CQStandardItem
 CQStandardItemModel
 CQStyledItemDelegate
 CQSyntaxHighlighter
 CQTableView
 CQTableWidgetItem
 CQTabWidget
 CQTextBrowser
 CQThread
 CQToolButton
 CQTreeView
 CQTreeWidget
 CQTreeWidgetItem
 CQuantizedMeshHeader
 CQuantizedMeshTile
 CQUndoCommand
 CQValidator
 CQVector
 CQWidget
 CQWidgetAction
 CQgsAlignRaster::RasterInfoUtility class for gathering information about rasters
 CQgsReadWriteContext::ReadWriteMessageStruct for QgsReadWriteContext error or warning messages
 CQgsRelief::ReliefColor
 CQgsAbstractGeoPdfExporter::RenderedFeatureContains information about a feature rendered inside the PDF
 CQgsRenderedFeatureHandlerInterface::RenderedFeatureContext
 CQgsRuleBasedRenderer::RenderJobA QgsRuleBasedRenderer rendering job, consisting of a feature to be rendered with a particular symbol
 CQgsRuleBasedRenderer::RenderLevelRender level: a list of jobs to be drawn at particular level for a QgsRuleBasedRenderer
 CQgsLocatorResult::ResultActionThe ResultAction stores basic information for additional actions to be used in a locator widget for the result
 CRTree
 CQgsRuleBased3DRenderer::Rule
 CQgsRuleBasedRenderer::Rule
 CQgsRuleBasedLabeling::Rule
 CQgsVectorFileWriter::SaveVectorOptions
 CQgsScaleBarRenderer::ScaleBarContextContains parameters regarding scalebar calculations
 CQgsGeometryUtils::SelfIntersection
 CQgsGeoNodeRequest::ServiceLayerDetailService layer details for an individual layer from a GeoNode connection
 CQgsServerSettings::Setting
 CQgsDatumTransform::SingleOperationDetailsContains information about a single coordinate operation
 CQgsDataDefinedSizeLegend::SizeClassDefinition of one class for the legend
 CSol
 CQgsVirtualLayerDefinition::SourceLayer
 CQgsLayerMetadata::SpatialExtentMetadata spatial extent structure
 CQgsAbstractDatabaseProviderConnection::SpatialIndexOptionsContains extra options relating to spatial index creation
 CQgsSQLComposerDialog::SQLValidatorCallback
 CQgsExpressionContextScope::StaticVariableSingle variable definition for use within a QgsExpressionContextScope
 CQgsStyleEntityVisitorInterface::StyleLeafContains information relating to the style entity currently being visited
 CQgsOWSSourceSelect::SupportedFormatFormats supported by provider
 CQgsLayoutExporter::SvgExportSettingsContains settings relating to exporting layouts to SVG
 CSymbolsGroupSelectionDialogBase
 CSymbolsListWidget
 CQgsEditFormConfig::TabData
 CQgsAbstractDatabaseProviderConnection::TablePropertyDatabase table or view
 CQgsSQLComposerDialog::TableSelectedCallback
 CQgsTaskManager::TaskDefinitionDefinition of a task for inclusion in the manager
 CTiePointInfo
 CQgsWfs::transactionDelete
 CQgsWfs::v1_0_0::transactionDelete
 CQgsWfs::transactionInsert
 CQgsWfs::v1_0_0::transactionInsert
 CQgsWfs::v1_0_0::transactionRequest
 CQgsWfs::transactionRequest
 CQgsWfs::v1_0_0::transactionUpdate
 CQgsWfs::transactionUpdate
 CQgsDatumTransform::TransformDetailsContains information about a coordinate transformation operation
 CQgsDatumTransform::TransformInfoContains datum transform information
 CQgsDatumTransformDialog::TransformInfoDialog transformation entry info
 CTransformItem
 CQgsDatumTransform::TransformPairContains datum transform information
 CQgsRasterTransparency::TransparentSingleValuePixel
 CQgsRasterTransparency::TransparentThreeValuePixel
 CTriangleInterpolator
 CTriangulation
 CUi_QgsCredentialDialog
 Cunique_ptr
 CQgsMimeDataUtils::Uri
 Cpal::Util
 CQgsTracerGraph::V
 CQgsProjectServerValidator::ValidationResultContains the parameters describing a project validation failure
 CQgsAbstractMetadataBaseValidator::ValidationResultContains the parameters describing a metadata validation failure
 CQgsValueRelationFieldFormatter::ValueRelationItem
 CVector3D
 CQgsAbstractGeoPdfExporter::VectorComponentDetailContains information relating to a single PDF layer in the GeoPDF export
 CQgsProcessingAlgorithm::VectorPropertiesProperties of a vector source or sink used in an algorithm
 CQgsAbstractGeometry::vertex_iterator
 CQgsSQLStatement::Visitor
 CQgsExpressionNodeCondition::WhenThenRepresents a "WHEN... THEN..." portation of a CASE WHEN clause in an expression
 CWidgetBlur
 CWidgetCentroidFill
 CWidgetColorEffect
 CWidgetDrawSource
 CWidgetEllipseBase
 CWidgetFilledMarker
 CWidgetFontMarker
 CWidgetGlow
 CWidgetGradientFill
 CWidgetHashedLine
 CWidgetLinePatternFill
 CWidgetMarkerLine
 CWidgetPointPatternFill
 CWidgetRandomMarkerFill
 CWidgetRasterFill
 CWidgetRasterMarker
 CWidgetShadowEffect
 CWidgetShapeburstFill
 CWidgetSimpleFill
 CWidgetSimpleLine
 CWidgetSimpleMarker
 CWidgetSVGFill
 CWidgetSvgMarker
 CWidgetSvgSelector
 CWidgetTransform
 CWidgetVectorFieldBase
 CWkbEntry
 CQgsVectorLayerServerProperties::WmsDimensionInfoSetting to define QGIS Server WMS Dimension