ChangeTempo.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ChangeTempo.h
 
  Vaughan Johnson, Dominic Mazzoni
 
  Change Tempo effect provides speeding up or
  slowing down tempo without changing pitch.
 
**********************************************************************/
 
 
#if USE_SOUNDTOUCH
 
#ifndef __AUDACITY_EFFECT_CHANGETEMPO__
#define __AUDACITY_EFFECT_CHANGETEMPO__
 
#include "ChangeTempoBase.h"
#include "StatefulEffectUIServices.h"
#include <wx/weakref.h>
 
class wxSlider;
class wxCheckBox;
class wxTextCtrl;
class ShuttleGui;
 
class EffectChangeTempo :
    public ChangeTempoBase,
    public StatefulEffectUIServices
{
public:
   std::unique_ptr<EffectEditor> PopulateOrExchange(
      ShuttleGui& S, EffectInstance& instance, EffectSettingsAccess& access,
      const EffectOutputs* pOutputs) override;
   bool TransferDataToWindow(const EffectSettings& settings) override;
   bool TransferDataFromWindow(EffectSettings& settings) override;
 
   DECLARE_EVENT_TABLE()
 
private:
   // handlers
   void OnText_PercentChange(wxCommandEvent & evt);
   void OnSlider_PercentChange(wxCommandEvent & evt);
   void OnText_FromBPM(wxCommandEvent & evt);
   void OnText_ToBPM(wxCommandEvent & evt);
   void OnText_ToLength(wxCommandEvent & evt);
 
   // helper fns
   void Update_Text_PercentChange(); // Update control per current m_PercentChange.
   void Update_Slider_PercentChange(); // Update control per current m_PercentChange.
   void Update_Text_ToBPM(); // Use m_FromBPM & m_PercentChange to set NEW m_ToBPM & control.
   void Update_Text_ToLength(); // Use m_FromLength & m_PercentChange to set NEW m_ToLength & control.
 
   wxWeakRef<wxWindow> mUIParent{};
 
   // controls
   wxTextCtrl *   m_pTextCtrl_PercentChange;
   wxSlider *     m_pSlider_PercentChange;
   wxTextCtrl *   m_pTextCtrl_FromBPM;
   wxTextCtrl *   m_pTextCtrl_ToBPM;
   wxTextCtrl *   m_pTextCtrl_FromLength;
   wxTextCtrl *   m_pTextCtrl_ToLength;
 
#if USE_SBSMS
   wxCheckBox *   mUseSBSMSCheckBox;
#endif
};
 
#endif // __AUDACITY_EFFECT_CHANGETEMPO__
 
#endif // USE_SOUNDTOUCH