Qt Designer: Fix clang-tidy warnings about class definitions

- Use ' = default' for trivial constructors/destructors
- replace virtual by override or add override where applicable
- Return *this from assignment operators of custom iterators
- Replace trivial constructors by member initialization for simple structs
- Add Q_DISABLE_COPY

Change-Id: I67fb07cb82ccba93a41d58a8a0782628c9c681d9
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/designer/src/lib/shared/layout_p.h b/src/designer/src/lib/shared/layout_p.h
index a64ac46c5..2b97fb823 100644
--- a/src/designer/src/lib/shared/layout_p.h
+++ b/src/designer/src/lib/shared/layout_p.h
@@ -69,7 +69,7 @@ public:
                                  QDesignerFormWindowInterface *fw,
                                  QWidget *layoutBase, LayoutInfo::Type layoutType);
 
-    virtual ~Layout();
+    ~Layout() override;
 
     virtual void sort() = 0;
     virtual void doLayout() = 0;