60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Clipboard.h
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Paul Licameli
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**********************************************************************/
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#ifndef __AUDACITY_CLIPBOARD__
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#define __AUDACITY_CLIPBOARD__
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#include <memory>
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#include <wx/event.h> // to inherit wxEvtHandler
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class AudacityProject;
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class TrackList;
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// An event emitted by the clipboard whenever its contents change.
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wxDECLARE_EXPORTED_EVENT( AUDACITY_DLL_API,
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EVT_CLIPBOARD_CHANGE, wxCommandEvent );
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class AUDACITY_DLL_API Clipboard final
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: public wxEvtHandler
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{
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public:
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static Clipboard &Get();
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const TrackList &GetTracks() const;
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double T0() const { return mT0; }
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double T1() const { return mT1; }
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double Duration() const { return mT1 - mT0; }
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const std::weak_ptr<AudacityProject> &Project() const { return mProject; }
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void Clear();
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void Assign(
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TrackList && newContents, double t0, double t1,
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const std::weak_ptr<AudacityProject> &pProject );
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Clipboard();
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~Clipboard();
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void Swap( Clipboard &other );
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private:
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std::shared_ptr<TrackList> mTracks;
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std::weak_ptr<AudacityProject> mProject{};
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double mT0{ 0 };
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double mT1{ 0 };
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};
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#endif
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