MeterToolBar.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  MeterToolbar.h
 
  Dominic Mazzoni
  Leland Lucius
 
  ToolBar to hold the VU Meter
 
**********************************************************************/
 
#ifndef __AUDACITY_METER_TOOLBAR__
#define __AUDACITY_METER_TOOLBAR__
 
#include <functional>
#include <vector>
#include "ToolBar.h"
 
class wxDC;
class wxGridBagSizer;
class wxSizeEvent;
class wxWindow;
 
class AudacityProject;
class MeterPanel;
class MeterToolBar;
 
using MeterToolBars = std::vector< std::reference_wrapper<MeterToolBar> >;
using ConstMeterToolBars = std::vector< std::reference_wrapper<const MeterToolBar> >;
 
// Constants used as bit pattern
constexpr int kWithRecordMeter = 1;
constexpr int kWithPlayMeter = 2;
constexpr int kCombinedMeter = kWithPlayMeter | kWithRecordMeter;
 
class MeterToolBar final : public ToolBar {
 
 public:
 
   static Identifier ID();
   static Identifier PlayID();
   static Identifier RecordID();
 
   MeterToolBar(AudacityProject &project,
      unsigned whichMeters,
      const TranslatableString &label, Identifier ID);
   virtual ~MeterToolBar();
 
   static MeterToolBars GetToolBars(AudacityProject &project);
   static ConstMeterToolBars GetToolBars(const AudacityProject &project);
 
   static MeterToolBar & Get(AudacityProject &project, bool forPlayMeterToolBar);
   static const MeterToolBar & Get(const AudacityProject &project, bool forPlayMeterToolBar);
 
   bool ShownByDefault() const override;
 
   void Create(wxWindow *parent) override;
 
   void Populate() override;
   void ReCreateButtons() override;
   void Repaint(wxDC * WXUNUSED(dc)) override {};
   void EnableDisableButtons() override {};
   void UpdatePrefs() override;
   void UpdateControls();
 
   void OnSize(wxSizeEvent & event);
   bool Expose(bool show) override;
 
   int GetInitialWidth() override;
   int GetMinToolbarWidth()  override { return 150; }
   wxSize GetDockedSize() override {
      return GetSmartDockedSize();
   };
 
   void ShowOutputGainDialog();
   void ShowInputGainDialog();
 
   void AdjustOutputGain(int adj);
   void AdjustInputGain(int adj);
 
 private:
   void RegenerateTooltips() override {}
   void RebuildLayout(bool force);
 
   unsigned mWhichMeters;
   wxBoxSizer *mRootSizer{nullptr};
   AButton* mPlaySetupButton{nullptr};
   MeterPanel *mPlayMeter{nullptr};
   AButton* mRecordSetupButton{nullptr};
   MeterPanel *mRecordMeter{nullptr};
 
 public:
 
   DECLARE_CLASS(MeterToolBar)
   DECLARE_EVENT_TABLE()
 
};
 
#endif