Add timeline manager

scwx-qt/source/scwx/qt/manager/timeline_manager.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <memory>
+
+#include <QObject>
+
+namespace scwx
+{
+namespace qt
+{
+namespace manager
+{
+
+class TimelineManager : public QObject
+{
+   Q_OBJECT
+
+public:
+   explicit TimelineManager();
+   ~TimelineManager();
+
+   static std::shared_ptr<TimelineManager> Instance();
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace manager
+} // namespace qt
+} // namespace scwx