NoteTrackButtonHandle.h

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
NoteTrackButtonHandle.h
 
Paul Licameli split from TrackPanel.cpp
 
**********************************************************************/
 
#ifndef __AUDACITY_NOTE_TRACK_BUTTON_HANDLE__
#define __AUDACITY_NOTE_TRACK_BUTTON_HANDLE__
 
class wxMouseState;
class NoteTrack;
 
#include "../../../../UIHandle.h"
 
// TODO: do appearance changes as in ButtonHandle, or even, inherit from that
class NoteTrackButtonHandle : public UIHandle
{
   NoteTrackButtonHandle(const NoteTrackButtonHandle&);
   NoteTrackButtonHandle();
   static NoteTrackButtonHandle& Instance();
 
public:
   explicit NoteTrackButtonHandle
      ( const std::shared_ptr<NoteTrack> &pTrack,
        int channel, const wxRect &rect );
 
   NoteTrackButtonHandle &operator=(const NoteTrackButtonHandle&) = default;
 
   virtual ~NoteTrackButtonHandle();
 
   static UIHandlePtr HitTest
      (std::weak_ptr<NoteTrackButtonHandle> &holder,
       const wxMouseState &state, const wxRect &rect,
       const std::shared_ptr<NoteTrack> &pTrack);
 
   std::shared_ptr<NoteTrack> GetTrack() const { return mpTrack.lock(); }
   std::shared_ptr<const Track> FindTrack() const override;
   int GetChannel() const { return mChannel; }
 
   static UIHandle::Result NeedChangeHighlight
      (const NoteTrackButtonHandle &oldState,
       const NoteTrackButtonHandle &newState);
 
protected:
   void Enter(bool forward, AudacityProject *) 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;
 
   std::weak_ptr<NoteTrack> mpTrack;
   int mChannel{ -1 };
   wxRect mRect{};
};
 
#endif