CommonTrackControls.h

Go to the documentation of this file.

/**********************************************************************
 
Audacity: A Digital Audio Editor
 
CommonTrackControls.h
 
Paul Licameli split from TrackControls.h
 
**********************************************************************/
 
#ifndef __AUDACITY_COMMON_TRACK_CONTROLS__
#define __AUDACITY_COMMON_TRACK_CONTROLS__
 
#include "TrackControls.h" // to inherit
 
class CloseButtonHandle;
class MenuButtonHandle;
class PopupMenuTable;
class MinimizeButtonHandle;
class SelectButtonHandle;
class TrackSelectHandle;
 
namespace TrackInfo{ struct TCPLine; }
using TCPLines = std::vector< TrackInfo::TCPLine >;
 
class AUDACITY_DLL_API CommonTrackControls /* not final */ : public TrackControls
{
public:
   using TrackControls::TrackControls;
 
   // This is passed to the InitUserData() methods of the PopupMenuTable
   // objects returned by GetMenuExtension:
   struct InitMenuData
   {
   public:
      AudacityProject &project;
      Track *pTrack;
      wxWindow *pParent;
      unsigned result;
   };
 
   // This decides what details to draw in the track control panel, besides
   // those at the bottom
   virtual const TCPLines& GetTCPLines() const;
 
   // To help subclasses define GetTCPLines
   static const TCPLines& StaticTCPLines();
 
protected:
   // An override is supplied for derived classes to call through but it is
   // still marked pure virtual
   virtual std::vector<UIHandlePtr> HitTest
      (const TrackPanelMouseState &state,
       const AudacityProject *) override = 0;
 
   unsigned DoContextMenu
      (const wxRect &rect, wxWindow *pParent, const wxPoint *pPosition,
       AudacityProject *pProject) override;
   virtual PopupMenuTable *GetMenuExtension(Track *pTrack) = 0;
 
   // TrackPanelDrawable implementation
   void Draw(
      TrackPanelDrawingContext &context,
      const wxRect &rect, unsigned iPass ) override;
 
   wxRect DrawingArea(
      TrackPanelDrawingContext &,
      const wxRect &rect, const wxRect &panelRect, unsigned iPass ) override;
 
   std::weak_ptr<CloseButtonHandle> mCloseHandle;
   std::weak_ptr<MenuButtonHandle> mMenuHandle;
   std::weak_ptr<MinimizeButtonHandle> mMinimizeHandle;
   std::weak_ptr<SelectButtonHandle> mSelectButtonHandle;
   std::weak_ptr<TrackSelectHandle> mSelectHandle;
};
 
#endif