Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/LtsTimelineClassic/TimelineHeaderView.h

@@ -0,0 +1,63 @@
+
+
+
+#pragma once
+
+#include "EventTools.h"
+
+#include <QHeaderView>
+
+
+class QPainter;
+
+namespace LtsTimelineClassic
+{
+
+
+
+class TimelineHeaderView : public QHeaderView
+{
+  Q_OBJECT
+
+public:
+  explicit TimelineHeaderView(QWidget *parent = nullptr);
+
+  
+
+  void refreshData();
+  void setLiveTime(qint64 time);
+
+private:
+  qint64 m_posMarkTime; 
+  QRect m_paintingRange; 
+  
+  qint64 m_liveTime;
+
+protected:
+  
+
+  void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const;
+
+signals:
+  
+
+  void signalSetPosMarkPos(int pos); 
+
+public slots:
+
+  
+
+  void slotSectionResized(int logicalIndex, int oldSize, int newSize);
+
+  
+
+  void setPosMarkTime(qint64 time);
+
+private:
+
+  
+
+  void setPosMarkPos();
+};
+
+}