TrackPanelResizerCell.h

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/**********************************************************************
 
 Audacity: A Digital Audio Editor
 
 TrackPanelResizerCell.h
 
 Paul Licameli split from TrackPanel.cpp
 
 **********************************************************************/
 
#ifndef __AUDACITY_TRACK_PANEL_RESIZER_CELL__
#define __AUDACITY_TRACK_PANEL_RESIZER_CELL__
 
#include "ClientData.h" // to inherit
#include "tracks/ui/CommonTrackPanelCell.h" // to inherit
 
class Channel;
class TrackPanelResizeHandle;
 
class TrackPanelResizerCell
   : public CommonChannelCell
   , public std::enable_shared_from_this< TrackPanelResizerCell >
{
   TrackPanelResizerCell(const TrackPanelResizerCell&) = delete;
   TrackPanelResizerCell &operator= (const TrackPanelResizerCell&) = delete;
public:
 
   static TrackPanelResizerCell &Get(Channel &channel);
   static const TrackPanelResizerCell &Get(const Channel &channel);
 
   std::vector<UIHandlePtr> HitTest
      (const TrackPanelMouseState &, const AudacityProject *) override;
 
   explicit TrackPanelResizerCell(const std::shared_ptr<Channel> &channel);
 
private:
   static TrackPanelResizerCell &GetFromChannelGroup(
      ChannelGroup &group, size_t iChannel);
 
   // TrackPanelDrawable implementation
   void Draw(
      TrackPanelDrawingContext &context,
      const wxRect &rect, unsigned iPass ) override;
 
   std::weak_ptr<TrackPanelResizeHandle> mResizeHandle;
};
 
#endif