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/components/signalsloteditor/signalsloteditor_tool.h b/src/designer/src/components/signalsloteditor/signalsloteditor_tool.h
index 264143bde..c0ba92316 100644
--- a/src/designer/src/components/signalsloteditor/signalsloteditor_tool.h
+++ b/src/designer/src/components/signalsloteditor/signalsloteditor_tool.h
@@ -50,7 +50,7 @@ class QT_SIGNALSLOTEDITOR_EXPORT SignalSlotEditorTool: public QDesignerFormWindo
     Q_OBJECT
 public:
     explicit SignalSlotEditorTool(QDesignerFormWindowInterface *formWindow, QObject *parent = 0);
-    virtual ~SignalSlotEditorTool();
+    ~SignalSlotEditorTool() override;
 
     QDesignerFormEditorInterface *core() const override;
     QDesignerFormWindowInterface *formWindow() const override;