VSTEditor.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  VSTEditor.h
 
  Dominic Mazzoni
 
  Paul Licameli split from VSTEffect.h
 
**********************************************************************/
 
#ifndef __AUDACITY_VST_EDITOR__
#define __AUDACITY_VST_EDITOR__
 
#include "VSTWrapper.h"
#include "../EffectEditor.h"
 
#include <wx/weakref.h>
#include <wx/event.h>
 
class VSTInstance;
class wxSlider;
class wxStaticText;
class NumericTextCtrl;
class VSTControl;
 
class VSTTimer;
 
class VSTEditor final
   : public wxEvtHandler
   , public EffectEditor
   , public VSTUIWrapper
{
public:
 
   VSTEditor(VSTInstance&       instance, EffectType type, bool gui,
      const EffectUIServices&  services,
      EffectSettingsAccess&    access,
      wxWindow*                pParent,
      int                      numParams
   );
 
   ~VSTEditor() override;
 
   VSTInstance& GetInstance() const;
 
   bool ValidateUI() override;
   bool UpdateUI() override;
 
   void OnClose() override;
 
   void BuildPlain(EffectSettingsAccess& access, EffectType effectType, double projectRate);
   void BuildFancy(EffectInstance& instance);
 
   void OnTimer();
 
   std::unique_ptr<VSTTimer> mTimer;
 
   void RefreshParameters(int skip = -1) const;
 
   void Automate(int index, float value) override;
 
   void OnSlider(wxCommandEvent& evt);
 
   int ShowDialog(bool nonModal);
 
   bool IsGraphicalUI() override;
 
   void Flush() override;
 
protected:
   void SizeWindow(int w, int h) override;
 
private:
   void NotifyParameterChanged(int index, float value);
   void OnIdle(wxIdleEvent &evt);
 
   VSTInstance& mInstance;
   const EffectType mType;
   const bool mGui;
 
   bool FetchSettingsFromInstance(EffectSettings& settings);
   bool StoreSettingsToInstance(const EffectSettings& settings);
   void NeedEditIdle(bool state);
   void NeedIdle() override;
   void Idle() override;
 
   void OnSizeWindow(wxCommandEvent& evt);
 
   int  mTimerGuard{ 0 };
 
   bool mWantsEditIdle{ false };
   bool mWantsIdle{ false };
 
   // Remembers last slider movements until idle time
   std::vector<std::pair<int, double>> mLastMovements{};
 
   ArrayOf<wxStaticText*> mNames;
   ArrayOf<wxSlider*> mSliders;
   ArrayOf<wxStaticText*> mDisplays;
   ArrayOf<wxStaticText*> mLabels;
   NumericTextCtrl* mDuration;
 
   wxWindow* mParent;
   wxWeakRef<wxDialog> mDialog;
 
   VSTControl* mControl{};
 
   // Mapping from parameter ID to string
   std::vector<wxString> mParamNames;
 
   int mNumParams{ 0 };
};
 
#endif