LightEditor : Add columnName argument to registerParameter()

Changes.md

@@ -37,6 +37,7 @@ API
 - BoxPlug : Added Python bindings for `ValueType`, `PointType` and `ChildType` type aliases.
 - RenderPassEditor : Added `deregisterColumn()` method.
 - DocumentationAlgo : Added table and strikethrough support to `markdownToHTML()`.
+- LightEditor : Added `columnName` parameter to `registerParameter()` method, matching the behaviour of `RenderPassEditor.registerOption()`.
 - USDShader : Added support for loading from the UsdSchemaRegistry as well as from the SdrRegistry. This is now used when loading UsdLuxLights.
 
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python/GafferSceneUI/LightEditor.py

@@ -141,7 +141,7 @@ def scene( self ) :
 	# that will be matched against `self.__settingsNode["attribute"]` to determine if
 	# the column should be shown.
 	@classmethod
-	def registerParameter( cls, rendererKey, parameter, section = None ) :
+	def registerParameter( cls, rendererKey, parameter, section = None, columnName = None ) :
 
 		# We use `tuple` to store `ShaderNetwork.Parameter`, because
 		# the latter isn't hashable and we need to use it as a dict key.
@@ -155,7 +155,8 @@ def registerParameter( cls, rendererKey, parameter, section = None ) :
 			rendererKey,
 			parameter,
 			lambda scene, editScope : _GafferSceneUI._LightEditorInspectorColumn(
-				GafferSceneUI.Private.ParameterInspector( scene, editScope, rendererKey, parameter )
+				GafferSceneUI.Private.ParameterInspector( scene, editScope, rendererKey, parameter ),
+				columnName if columnName is not None else ""
 			),
 			section
 		)