mirror of
https://github.com/cookiengineer/audacity
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2a06b10884
... except for Tags; also some uses of final and explicit This caught a mistake in Scrubbing.cpp
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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ProjectHistory.h
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Paul Licameli split from ProjectManager.h
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**********************************************************************/
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#ifndef __AUDACITY_PROJECT_HISTORY__
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#define __AUDACITY_PROJECT_HISTORY__
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#include "ClientData.h"
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class AudacityProject;
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struct UndoState;
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enum class UndoPush : unsigned char;
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class ProjectHistory final
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: public ClientData::Base
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{
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public:
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static ProjectHistory &Get( AudacityProject &project );
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static const ProjectHistory &Get( const AudacityProject &project );
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explicit ProjectHistory( AudacityProject &project )
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: mProject{ project }
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{}
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ProjectHistory( const ProjectHistory & ) PROHIBITED;
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ProjectHistory &operator=( const ProjectHistory & ) PROHIBITED;
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~ProjectHistory() override;
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void InitialState();
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void SetStateTo(unsigned int n);
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bool UndoAvailable() const;
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bool RedoAvailable() const;
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void PushState(const wxString &desc, const wxString &shortDesc); // use UndoPush::AUTOSAVE
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void PushState(const wxString &desc, const wxString &shortDesc, UndoPush flags);
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void RollbackState();
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void ModifyState(bool bWantsAutoSave); // if true, writes auto-save file.
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// Should set only if you really want the state change restored after
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// a crash, as it can take many seconds for large (eg. 10 track-hours)
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// projects
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void PopState(const UndoState &state);
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bool GetDirty() const { return mDirty; }
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void SetDirty( bool value ) { mDirty = value; }
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private:
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AudacityProject &mProject;
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bool mDirty{ false };
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};
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#endif
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