Paulstretch.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  Paulstretch.cpp
 
  Nasca Octavian Paul (Paul Nasca)
  Some GUI code was taken from the Echo effect
 
**********************************************************************/
#include "Paulstretch.h"
#include "../widgets/valnum.h"
#include "AudacityMessageBox.h"
#include "EffectEditor.h"
#include "LoadEffects.h"
#include "ShuttleGui.h"
#include <wx/valgen.h>
 
//
// PaulstretchBase
//
 
namespace{ BuiltinEffectsModule::Registration< EffectPaulstretch > reg; }
 
BEGIN_EVENT_TABLE(EffectPaulstretch, wxEvtHandler)
    EVT_TEXT(wxID_ANY, EffectPaulstretch::OnText)
END_EVENT_TABLE()
 
std::unique_ptr<EffectEditor> EffectPaulstretch::PopulateOrExchange(
   ShuttleGui & S, EffectInstance &, EffectSettingsAccess &,
   const EffectOutputs *)
{
   mUIParent = S.GetParent();
   S.StartMultiColumn(2, wxALIGN_CENTER);
   {
      S
         .Validator<FloatingPointValidator<float>>(
            1, &mAmount, NumValidatorStyle::DEFAULT, Amount.min)
         /* i18n-hint: This is how many times longer the sound will be, e.g. applying
          * the effect to a 1-second sample, with the default Stretch Factor of 10.0
          * will give an (approximately) 10 second sound
          */
         .AddTextBox(XXO("&Stretch Factor:"), wxT(""), 10);
 
      S
         .Validator<FloatingPointValidator<float>>(
            3, &mTime_resolution, NumValidatorStyle::ONE_TRAILING_ZERO, Time.min)
         .AddTextBox(XXO("&Time Resolution (seconds):"), L"", 10);
   }
   S.EndMultiColumn();
   return nullptr;
};
 
bool EffectPaulstretch::TransferDataToWindow(const EffectSettings &)
{
   if (!mUIParent->TransferDataToWindow())
   {
      return false;
   }
 
   return true;
}
 
bool EffectPaulstretch::TransferDataFromWindow(EffectSettings &)
{
   if (!mUIParent->Validate() || !mUIParent->TransferDataFromWindow())
   {
      return false;
   }
 
   return true;
}
 
// EffectPaulstretch implementation
 
void EffectPaulstretch::OnText(wxCommandEvent & WXUNUSED(evt))
{
   EffectEditor::EnableApply(
      mUIParent, mUIParent->TransferDataFromWindow());
}