WaveformVRulerControls.h

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
WaveformVRulerControls.h
 
Paul Licameli split from WaveChannelVRulerControls.h
 
**********************************************************************/
 
#ifndef __AUDACITY_WAVEFORM_VRULER_CONTROLS__
#define __AUDACITY_WAVEFORM_VRULER_CONTROLS__
 
#include "../../../ui/ChannelVRulerControls.h" // to inherit
 
class WaveChannel;
class WaveformVZoomHandle;
 
class WaveformVRulerControls final : public ChannelVRulerControls
{
   WaveformVRulerControls(const WaveformVRulerControls&) = delete;
   WaveformVRulerControls &operator=(const WaveformVRulerControls&) = delete;
 
public:
   explicit
   WaveformVRulerControls(const std::shared_ptr<ChannelView> &pChannelView)
      : ChannelVRulerControls{ pChannelView } {}
   ~WaveformVRulerControls() override;
 
   std::vector<UIHandlePtr> HitTest(
      const TrackPanelMouseState &state,
      const AudacityProject *) override;
 
   unsigned HandleWheelRotation(
      const TrackPanelMouseEvent &event,
      AudacityProject *pProject) override;
   static unsigned DoHandleWheelRotation(
      const TrackPanelMouseEvent &event,
      AudacityProject *pProject, WaveChannel &wc);
 
   std::shared_ptr<WaveChannel> FindWaveChannel();
 
private:
   // TrackPanelDrawable implementation
   void Draw(
      TrackPanelDrawingContext &context,
      const wxRect &rect, unsigned iPass ) override;
 
   // ChannelVRulerControls implementation
   void UpdateRuler( const wxRect &rect ) override;
 
   static void DoUpdateVRuler(const wxRect &rect, const WaveChannel &wc);
 
   std::weak_ptr<WaveformVZoomHandle> mVZoomHandle;
};
 
#endif