New files for ProjectSelectionManager

src/ProjectSelectionManager.h

@@ -0,0 +1,58 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+ProjectSelectionManager.cpp
+
+Paul Licameli split from ProjectManager.cpp
+
+**********************************************************************/
+
+#ifndef __AUDACITY_PROJECT_SELECTION_MANAGER__
+#define __AUDACITY_PROJECT_SELECTION_MANAGER__
+
+#include "ClientData.h" // to inherit
+#include "toolbars/SelectionBarListener.h" // to inherit
+#include "toolbars/SpectralSelectionBarListener.h" // to inherit
+
+class AudacityProject;
+
+class ProjectSelectionManager final
+   : public ClientData::Base
+   , public SelectionBarListener
+   , public SpectralSelectionBarListener
+{
+public:
+   static ProjectSelectionManager &Get( AudacityProject &project );
+   static const ProjectSelectionManager &Get( const AudacityProject &project );
+
+   explicit ProjectSelectionManager( AudacityProject &project );
+   ~ProjectSelectionManager() override;
+
+   // SelectionBarListener callback methods
+   double AS_GetRate() override;
+   void AS_SetRate(double rate) override;
+   int AS_GetSnapTo() override;
+   void AS_SetSnapTo(int snap) override;
+   const NumericFormatSymbol & AS_GetSelectionFormat() override;
+   void AS_SetSelectionFormat(const NumericFormatSymbol & format) override;
+   void AS_ModifySelection(double &start, double &end, bool done) override;
+
+   // SpectralSelectionBarListener callback methods
+   double SSBL_GetRate() const override;
+   const NumericFormatSymbol & SSBL_GetFrequencySelectionFormatName() override;
+   void SSBL_SetFrequencySelectionFormatName(
+      const NumericFormatSymbol & formatName) override;
+   const NumericFormatSymbol & SSBL_GetBandwidthSelectionFormatName() override;
+   void SSBL_SetBandwidthSelectionFormatName(
+      const NumericFormatSymbol & formatName) override;
+   void SSBL_ModifySpectralSelection(
+      double &bottom, double &top, bool done) override;
+
+private:
+   bool SnapSelection();
+
+   AudacityProject &mProject;
+};
+
+#endif