--- a/src/eric7/QScintilla/EditorAssembly.py Fri Aug 02 14:33:12 2024 +0200 +++ b/src/eric7/QScintilla/EditorAssembly.py Fri Aug 02 14:35:21 2024 +0200 @@ -114,7 +114,7 @@ Public method to finish the setup of the assembly. """ splitterWidth = ( - self.__editorSplitter.width() - self.__editorSplitter.handleWidth() + self.parent().width() - self.__editorSplitter.handleWidth() ) outlineWidth = Preferences.getEditor("SourceOutlineWidth") self.__editorSplitter.setSizes([splitterWidth - outlineWidth, outlineWidth])