Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/LtsScriptTimeline/track_entry_preview_widget.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <LtsScriptTimeline/ltsscripttimeline_export.h>
+
+#include <QWidget>
+
+
+namespace Ui
+{
+class TrackEntryPreviewWidget;
+}
+
+namespace LtsScriptTimeline
+{
+class TrackEntry;
+
+
+class LTSSCRIPTTIMELINE_EXPORT TrackEntryPreviewWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit TrackEntryPreviewWidget(QWidget *parent = nullptr);
+  ~TrackEntryPreviewWidget();
+
+  
+
+  void setTrackEntry(TrackEntry *te);
+
+  void setTopicEnabled(bool enabled);
+
+private:
+  Ui::TrackEntryPreviewWidget *m_ui;
+
+  void contextMenuEvent(QContextMenuEvent *event);
+
+signals:
+  void signalStartDrag();
+  void signalStopDrag();
+  void signalDelete();
+};
+
+}