updated timeline tools to take custom mouse events

app/node/output/timeline/tracklist.h

@@ -25,13 +25,14 @@
 
 #include "node/graph.h"
 #include "node/output/track/track.h"
+#include "tracktypes.h"
 
 class TimelineOutput;
 
 class TrackList : public QObject {
   Q_OBJECT
 public:
-  TrackList(TimelineOutput *parent, NodeInput* track_input);
+  TrackList(TimelineOutput *parent, const enum TrackType& type, NodeInput* track_input);
 
   TrackOutput* attached_track();
 
@@ -53,6 +54,8 @@ public:
 
   const rational& TrackLength();
 
+  const enum TrackType& TrackType();
+
 public slots:/**
    * @brief Slot for when the track connection is added
    */
@@ -114,6 +117,8 @@ private:
 
   rational total_length_;
 
+  enum TrackType type_;
+
 private slots:
   void UpdateTotalLength();
 };