Merge pull request #5743 from m-kuhn/fix17564

Fix crash with constraint results and custom .ui
qgis · Nov 28, 2017 · 0f1f24a · 0f1f24a
2 parents d31f60b + 3c702c0
commit 0f1f24a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/gui/qgsattributeform.cpp b/src/gui/qgsattributeform.cpp
@@ -980,7 +980,10 @@ void QgsAttributeForm::synchronizeEnabledState()
     QgsEditorWidgetWrapper *eww = qobject_cast<QgsEditorWidgetWrapper *>( ww );
     if ( eww )
     {
-      mFormEditorWidgets.value( eww->fieldIdx() )->setConstraintResultVisible( isEditable );
+      QgsAttributeFormEditorWidget *formWidget = mFormEditorWidgets.value( eww->fieldIdx() );
+
+      if ( formWidget )
+        formWidget->setConstraintResultVisible( isEditable );
 
       eww->setConstraintResultVisible( isEditable );