timeline: implemented in/out points

app/widget/timeruler/timeruler.h

@@ -26,6 +26,7 @@
 
 #include "common/rational.h"
 #include "common/timerange.h"
+#include "timeline/timelinepoints.h"
 #include "widget/timelinewidget/view/timelineplayhead.h"
 
 class TimeRuler : public QWidget
@@ -41,6 +42,8 @@ public:
 
   void SetCenteredText(bool c);
 
+  void ConnectTimelinePoints(TimelinePoints* points);
+
   const int64_t& GetTime();
 
 public slots:
@@ -115,6 +118,11 @@ private:
 
   TimeRangeList dirty_cache_ranges_;
 
+  TimelinePoints* timeline_points_;
+
+private slots:
+  void TimelineWorkareaChanged();
+
 };
 
 #endif // TIMERULER_H