SyncLock.h

Go to the documentation of this file.

/**********************************************************************
 
Audacity: A Digital Audio Editor
 
@file SyncLock.cpp
@brief Defines groupings of tracks that should keep contents synchronized
 
Paul Licameli split from Track.cpp
 
**********************************************************************/
#ifndef __AUDACITY_SYNC_LOCK__
#define __AUDACITY_SYNC_LOCK__
 
#include "Track.h" // for TrackIterRange
#include "AttachedVirtualFunction.h"
 
class AUDACITY_DLL_API SyncLock {
public:
   static bool IsSyncLockSelected( const Track *pTrack );
 
   static bool IsSelectedOrSyncLockSelected( const Track *pTrack );
 
   static TrackIterRange< Track > Group( Track *pTrack );
 
   static TrackIterRange< const Track > Group( const Track *pTrack )
   {
      return Group(const_cast<Track*>(pTrack)).Filter<const Track>();
   }
};
 
enum class SyncLockPolicy {
   Isolated, 
   Grouped, 
   EndSeparator, 
};
 
struct GetSyncLockPolicyTag;
 
using GetSyncLockPolicy =
AttachedVirtualFunction<
   GetSyncLockPolicyTag,
   SyncLockPolicy,
   const Track
>;
DECLARE_EXPORTED_ATTACHED_VIRTUAL(AUDACITY_DLL_API, GetSyncLockPolicy);
 
#endif