38 lines
959 B
C++
38 lines
959 B
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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TrackPanelListener.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_TRACK_PANEL_LISTENER__
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#define __AUDACITY_TRACK_PANEL_LISTENER__
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enum class UndoPush : unsigned char;
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/*
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\brief A now badly named abstract class which was a failed attempt to let
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TrackPanel code pretend it doesn't completely know what an AudacityProject is
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and use only a limited number of its services.
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*/
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class AUDACITY_DLL_API TrackPanelListener /* not final */ {
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public:
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TrackPanelListener(){};
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virtual ~TrackPanelListener(){};
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virtual void TP_RedrawScrollbars() = 0;
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virtual void TP_ScrollLeft() = 0;
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virtual void TP_ScrollRight() = 0;
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virtual void TP_ScrollWindow(double scrollto) = 0;
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virtual bool TP_ScrollUpDown(int delta) = 0;
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virtual void TP_HandleResize() = 0;
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};
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#endif
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