Method OnActivate

src/ProjectWindow.cpp:1189–1222

}

void ProjectWindow::OnActivate(wxActivateEvent & event)
{
   // Activate events can fire during window teardown, so just
   // ignore them.
   if (IsBeingDeleted()) {
      return;
   }

   auto pProject = FindProject();
   if (!pProject)
      return;
   auto &project = *pProject;

   mActive = event.GetActive();

   // Under Windows, focus can be "lost" when returning to
   // Audacity from a different application.
   //
   // This was observed by minimizing all windows using WINDOWS+M and
   // then ALT+TAB to return to Audacity.  Focus will be given to the
   // project window frame which is not at all useful.
   //
   // So, we use ToolManager's observation of focus changes in a wxEventFilter.
   // Then, when we receive the
   // activate event, we restore that focus to the child or the track
   // panel if no child had the focus (which probably should never happen).
   if (mActive) {
      auto &toolManager = ToolManager::Get( project );
      SetActiveProject( &project );
      if ( ! toolManager.RestoreFocus() )
         GetProjectPanel( project ).SetFocus();
   }
   event.Skip();
}

bool ProjectWindow::IsActive()
{