IsVisibleTrack Struct Reference

#include <TrackPanel.h>

Public Member Functions
	IsVisibleTrack (AudacityProject *project)
bool	operator() (const Track *pTrack) const

Public Attributes
wxRect	mPanelRect

Detailed Description

Definition at line 216 of file TrackPanel.h.

Constructor & Destructor Documentation

IsVisibleTrack()

IsVisibleTrack::IsVisibleTrack

(

AudacityProject *

project

)

Definition at line 1626 of file TrackPanel.cpp.

   : mPanelRect {
        wxPoint{ 0, ViewInfo::Get( *project ).vpos },
        wxSize{
           ViewInfo::Get( *project ).GetTracksUsableWidth(),
           ViewInfo::Get( *project ).GetHeight()
        }
     }
{}

References ViewInfo::Get(), ViewInfo::GetHeight(), ZoomInfo::GetTracksUsableWidth(), and ZoomInfo::vpos.

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Member Function Documentation

operator()()

bool IsVisibleTrack::operator()

(

const Track *

pTrack

)

const

Definition at line 1636 of file TrackPanel.cpp.

{
   // Need to return true if this track or a later channel intersects
   // the view
   return
   TrackList::Channels(pTrack).StartingWith(pTrack).any_of(
      [this]( const Track *pT ) {
         auto &view = TrackView::Get( *pT );
         wxRect r(0, view.GetY(), 1, view.GetHeight());
         return r.Intersects(mPanelRect);
      }
   );
}

References TrackList::Channels(), TrackView::Get(), and mPanelRect.

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Member Data Documentation

mPanelRect

wxRect IsVisibleTrack::mPanelRect

Definition at line 222 of file TrackPanel.h.

Referenced by operator()().

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The documentation for this struct was generated from the following files:

• TrackPanel.h
• TrackPanel.cpp