CutlineHandle.h

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
CutlineHandle.h
 
Paul Licameli
 
**********************************************************************/
 
#ifndef __AUDACITY_CUTLINE_HANDLE__
#define __AUDACITY_CUTLINE_HANDLE__
 
#include "../../../../UIHandle.h"
#include "../../../../WaveTrackLocation.h"
 
class wxMouseEvent;
class wxMouseState;
class WaveTrack;
 
class CutlineHandle final : public UIHandle
{
   CutlineHandle(const CutlineHandle&) = delete;
   static HitTestPreview HitPreview(bool cutline, bool unsafe);
 
public:
   explicit CutlineHandle
      ( const std::shared_ptr<WaveTrack> &pTrack,
        WaveTrackLocation location );
 
   CutlineHandle &operator=(const CutlineHandle&) = default;
 
   static UIHandlePtr HitAnywhere
      (const AudacityProject *pProject, bool cutline, UIHandlePtr ptr);
   static UIHandlePtr HitTest
      (std::weak_ptr<CutlineHandle> &holder,
       const wxMouseState &state, const wxRect &rect,
       const AudacityProject *pProject,
       const std::shared_ptr<WaveTrack> &pTrack);
 
   virtual ~CutlineHandle();
 
   const WaveTrackLocation &GetLocation() { return mLocation; }
   std::shared_ptr<WaveTrack> GetTrack() { return mpTrack; }
 
   void Enter(bool forward, AudacityProject *) override;
 
   bool HandlesRightClick() override;
 
   Result Click
      (const TrackPanelMouseEvent &event, AudacityProject *pProject) override;
 
   Result Drag
      (const TrackPanelMouseEvent &event, AudacityProject *pProject) override;
 
   HitTestPreview Preview
      (const TrackPanelMouseState &state, AudacityProject *pProject)
      override;
 
   Result Release
      (const TrackPanelMouseEvent &event, AudacityProject *pProject,
       wxWindow *pParent) override;
 
   Result Cancel(AudacityProject *pProject) override;
 
   bool StopsOnKeystroke() override { return true; }
 
private:
   std::shared_ptr<WaveTrack> mpTrack{};
   enum Operation { Merge, Expand, Remove };
   Operation mOperation{ Merge };
   double mStartTime{}, mEndTime{};
   WaveTrackLocation mLocation {};
};
 
#endif