SelectionBar.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  SelectionBar.h
 
  Dominic Mazzoni
  Dmitry Vedenko
 
**********************************************************************/
 
#ifndef __AUDACITY_SELECTION_BAR__
#define __AUDACITY_SELECTION_BAR__
 
#include <wx/defs.h>
 
#include <array>
 
#include "ToolBar.h"
#include "widgets/auStaticText.h"
 
#include "Observer.h"
 
 
class wxChoice;
class wxComboBox;
class wxCommandEvent;
class wxDC;
class wxSizeEvent;
class wxStaticText;
 
class AudacityProject;
class NumericTextCtrl;
 
extern IntSetting SelectionToolbarMode;
 
class AUDACITY_DLL_API SelectionBar final : public ToolBar {
 
 public:
   enum class SelectionMode
   {
      StartEnd,
      StartLength,
      LengthEnd,
      LengthCenter 
   };
   
   static Identifier ID();
 
   SelectionBar( AudacityProject &project );
   virtual ~SelectionBar();
 
   bool ShownByDefault() const override;
   DockID DefaultDockID() const override;
 
   static SelectionBar &Get( AudacityProject &project );
   static const SelectionBar &Get( const AudacityProject &project );
 
   void Create(wxWindow *parent) override;
 
   void Populate() override;
   void Repaint(wxDC * WXUNUSED(dc)) override {};
   void EnableDisableButtons() override {};
   void UpdatePrefs() override;
 
   void SetTimes(double start, double end);
 
   void SetSelectionFormat(const NumericFormatID & format);
   void RegenerateTooltips() override;
 
 private:
   AButton* MakeSetupButton();
   
   void AddTitle( const TranslatableString & Title,
      wxSizer * pSizer );
   void AddTime( int id, wxSizer * pSizer );
   void AddSelectionSetupButton(wxSizer* pSizer);
 
   void SetSelectionMode(SelectionMode mode);
   void ValuesToControls();
   void OnUpdate(wxCommandEvent &evt);
 
   void OnFocus(wxFocusEvent &event);
   void OnCaptureKey(wxCommandEvent &event);
   void OnSize(wxSizeEvent &evt);
   void OnIdle( wxIdleEvent &evt );
 
   void ModifySelection(int driver, bool done = false);
   void SelectionModeUpdated();
 
   void UpdateTimeControlsFormat(const NumericFormatID& format);
 
   void FitToTimeControls();
 
   void OnFormatsChanged(struct ProjectNumericFormatsEvent);
 
   double mRate;
   double mStart, mEnd, mLength, mCenter;
 
   SelectionMode mSelectionMode {};
   SelectionMode mLastSelectionMode {};
 
   std::array<NumericTextCtrl*, 2> mTimeControls {};
   AButton* mSetupButton{};
 
   Observer::Subscription mFormatChangedToFitValueSubscription[2];
 
   wxString mLastValidText;
   const Observer::Subscription mFormatsSubscription;
 
 public:
 
   DECLARE_CLASS(SelectionBar)
   DECLARE_EVENT_TABLE()
};
 
#endif