AudacityLogger.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  AudacityLogger.h
 
  Dominic Mazzoni
 
**********************************************************************/
 
#ifndef __AUDACITY_LOGGER__
#define __AUDACITY_LOGGER__
 
#include <wx/log.h> // to inherit
#include <wx/event.h> // to inherit wxEvtHandler
 
class wxFrame;
class wxTextCtrl;
 
class FILES_API AudacityLogger final : public wxEvtHandler,
                             public wxLog
{
 public:
 
   ~AudacityLogger() override;
 
   // Get the singleton instance or null
   static AudacityLogger *Get();
 
   bool SaveLog(const wxString &fileName) const;
   bool ClearLog();
 
 
   wxString GetLog(int count = 0);
 
   const wxString &GetBuffer() const { return mBuffer; }
 
   void Flush() override;
 
 
   using Listener = std::function< bool() >;
 
   Listener SetListener(Listener listener);
 
protected:
   void DoLogText(const wxString & msg) override;
 
 private:
   AudacityLogger();
 
   Listener mListener;
   wxString mBuffer;
   bool mUpdated;
};
 
#endif