Reuse macro segment widgets if possible

src/headers/macro-condition-edit.hpp

@@ -48,6 +48,7 @@ private slots:
 	void DurationUnitChanged(DurationUnit unit);
 
 private:
+	void SetLogicSelection();
 	MacroSegment *Data();
 
 	QComboBox *_logicSelection;

src/headers/macro-segment-list.hpp

@@ -15,6 +15,7 @@ public:
 	virtual ~MacroSegmentList();
 	void SetHelpMsg(const QString &msg);
 	void SetHelpMsgVisible(bool visible);
+	MacroSegmentEdit *WidgetAt(int idx);
 	void Insert(int idx, QWidget *widget);
 	void Add(QWidget *widget);
 	void Remove(int idx);
@@ -47,7 +48,6 @@ private:
 	bool IsInListArea(const QPoint &);
 	QRect GetContentItemRectWithPadding(int idx);
 	void HideLastDropLine();
-	MacroSegmentEdit *WidgetAt(int idx);
 
 	int _dragPosition = -1;
 	int _dropLineIdx = -1;