timeline: implemented in/out points

app/widget/timebased/timebased.h

@@ -3,6 +3,7 @@
 
 #include <QWidget>
 
+#include "common/timelinecommon.h"
 #include "node/output/viewer/viewer.h"
 #include "widget/resizablescrollbar/resizablescrollbar.h"
 #include "widget/timelinewidget/timelinescaledobject.h"
@@ -48,6 +49,16 @@ public slots:
 
   void GoToNextCut();
 
+  void SetInAtPlayhead();
+
+  void SetOutAtPlayhead();
+
+  void ResetIn();
+
+  void ResetOut();
+
+  void ClearInOutPoints();
+
   TimeRuler* ruler() const;
 
 protected slots:
@@ -84,6 +95,26 @@ signals:
   void TimebaseChanged(const rational&);
 
 private:
+  /**
+   * @brief Set either in or out point to the current playhead
+   *
+   * @param m
+   *
+   * Set to kTrimIn or kTrimOut for setting the in point or out point respectively.
+   */
+  void SetPoint(Timeline::MovementMode m, const rational &time);
+
+  /**
+   * @brief Reset either the in or out point
+   *
+   * Sets either the in point to 0 or the out point to `RATIONAL_MAX`.
+   *
+   * @param m
+   *
+   * Set to kTrimIn or kTrimOut for setting the in point or out point respectively.
+   */
+  void ResetPoint(Timeline::MovementMode m);
+
   ViewerOutput* viewer_node_;
 
   TimeRuler* ruler_;