LabelTextHandle.h

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
LabelTextHandle.h
 
Paul Licameli split from TrackPanel.cpp
 
**********************************************************************/
 
#ifndef __AUDACITY_LABEL_TEXT_HANDLE__
#define __AUDACITY_LABEL_TEXT_HANDLE__
 
#include "LabelDefaultClickHandle.h"
#include "SelectedRegion.h"
 
class wxMouseState;
class LabelTrack;
class SelectionStateChanger;
class ZoomInfo;
 
class LabelTextHandle final : public LabelDefaultClickHandle
{
   static HitTestPreview HitPreview();
 
public:
   static UIHandlePtr HitTest
      (std::weak_ptr<LabelTextHandle> &holder,
       const wxMouseState &state, const std::shared_ptr<LabelTrack> &pLT);
 
   LabelTextHandle &operator=(const LabelTextHandle&) = default;
 
   explicit LabelTextHandle
      ( const std::shared_ptr<LabelTrack> &pLT, int labelNum );
   virtual ~LabelTextHandle();
 
   std::shared_ptr<const Track> FindTrack() const override;
   int GetLabelNum() const { return mLabelNum; }
 
   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;
 
private:
   void HandleTextClick
      (AudacityProject &project, const wxMouseEvent & evt);
   void HandleTextDragRelease(
      AudacityProject &project, const wxMouseEvent & evt);
 
   std::weak_ptr<LabelTrack> mpLT {};
   int mLabelNum{ -1 };
   int mLabelTrackStartXPos { -1 };
   int mLabelTrackStartYPos { -1 };
 
   bool mRightDragging{ false };
};
 
#endif