Add FeatureSymbology capability to QgsVectorDataProvider

If present, the provider is able to retrieve embedded symbology associated with individual features.
qgis · Mar 6, 2021 · d8aba0c · d8aba0c
1 parent b8b5528
commit d8aba0c
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diff --git a/python/core/auto_generated/vector/qgsvectordataprovider.sip.in b/python/core/auto_generated/vector/qgsvectordataprovider.sip.in
@@ -54,6 +54,7 @@ of feature and attribute information from a spatial datasource.
       CreateRenderer,
       CreateLabeling,
       ReloadData,
+      FeatureSymbology,
     };
 
     typedef QFlags<QgsVectorDataProvider::Capability> Capabilities;

diff --git a/src/core/vector/qgsvectordataprovider.cpp b/src/core/vector/qgsvectordataprovider.cpp
@@ -321,6 +321,11 @@ QString QgsVectorDataProvider::capabilitiesString() const
     abilitiesList += tr( "Curved Geometries" );
   }
 
+  if ( abilities & QgsVectorDataProvider::FeatureSymbology )
+  {
+    abilitiesList += tr( "Feature Symbology" );
+  }
+
   return abilitiesList.join( QLatin1String( ", " ) );
 }
 

diff --git a/src/core/vector/qgsvectordataprovider.h b/src/core/vector/qgsvectordataprovider.h
@@ -95,6 +95,7 @@ class CORE_EXPORT QgsVectorDataProvider : public QgsDataProvider, public QgsFeat
       CreateRenderer = 1 << 24, //!< Provider can create feature renderers using backend-specific formatting information. Since QGIS 3.2. See QgsVectorDataProvider::createRenderer().
       CreateLabeling = 1 << 25, //!< Provider can set labeling settings using backend-specific formatting information. Since QGIS 3.6. See QgsVectorDataProvider::createLabeling().
       ReloadData = 1 << 26, //!< Provider is able to force reload data
+      FeatureSymbology = 1 << 27, //!< Provider is able retrieve embedded symbology associated with individual features. Since QGIS 3.20.
     };
 
     Q_DECLARE_FLAGS( Capabilities, Capability )