fix: don't keep reference of styling history on annotation layer reset

the layer styling panel always showed history of the main annotation layer of a previously opened project
qgis · Jan 10, 2023 · d91acd6 · d91acd6
1 parent 3500e06
commit d91acd6
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diff --git a/src/core/annotations/qgsannotationlayer.cpp b/src/core/annotations/qgsannotationlayer.cpp
@@ -131,6 +131,9 @@ void QgsAnnotationLayer::reset()
   setOpacity( 1.0 );
   setCrs( QgsCoordinateReferenceSystem() );
   setTransformContext( QgsCoordinateTransformContext() );
+
+  undoStackStyles()->clear();
+
   clear();
 }
 

diff --git a/tests/src/python/test_qgsannotationlayer.py b/tests/src/python/test_qgsannotationlayer.py
@@ -152,6 +152,7 @@ def testReset(self):
         self.assertEqual(len(layer.items()), 0)
         self.assertEqual(layer.opacity(), 1.0)
         self.assertFalse(layer.crs().isValid())
+        self.assertEqual(layer.undoStackStyles().count(), 0)
 
     def testExtent(self):
         layer = QgsAnnotationLayer('test', QgsAnnotationLayer.LayerOptions(QgsProject.instance().transformContext()))