Method Cancel

src/TrackPanelResizeHandle.cpp:293–336

}

UIHandle::Result TrackPanelResizeHandle::Cancel(AudacityProject *pProject)
{
   auto &tracks = TrackList::Get( *pProject );
   auto theChannel = FindChannel();
   if (!theChannel)
      return RefreshCode::Cancelled;


   switch (mMode) {
   case IsResizing:
   {
      auto &view = ChannelView::Get(*theChannel);
      view.SetExpandedHeight(mInitialExpandedHeight);
      view.SetMinimized( mInitialMinimized );
   }
   break;
   case IsResizingBetweenLinkedTracks:
   {
      // Assume next channel is present, see constructor
      const auto next = NextChannel(*theChannel);
      auto &view = ChannelView::Get(*theChannel),
         &nextView = ChannelView::Get(*next);
      view.SetExpandedHeight(mInitialUpperExpandedHeight);
      view.SetMinimized( mInitialMinimized );
      nextView.SetExpandedHeight(mInitialExpandedHeight);
      nextView.SetMinimized( mInitialMinimized );
   }
   break;
   case IsResizingBelowLinkedTracks:
   {
      // Assume previous channel is present, see constructor
      const auto prev = PrevChannel(*theChannel);
      auto &view = ChannelView::Get(*theChannel),
         &prevView = ChannelView::Get(*prev);
      view.SetExpandedHeight(mInitialExpandedHeight);
      view.SetMinimized( mInitialMinimized );
      prevView.SetExpandedHeight(mInitialUpperExpandedHeight);
      prevView.SetMinimized(mInitialMinimized);
   }
   break;
   }

   return RefreshCode::RefreshAll;
}

Track &TrackPanelResizeHandle::GetTrack(Channel &channel)
{