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  1. Qt
  2. QTBUG-99750

cannot activate file system watcher in QFileSystemModel

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Details

    • Bug
    • Resolution: Unresolved
    • P3: Somewhat important
    • None
    • 6.3.0 Feature Freeze
    • Core: Item Models
    • None

    Description

      QFileSystemModel relies on QFileInfoGatherer for file system watching.

      QFileInfoGatherer::setWatching(bool v) can only disable watching, not enable it. There is just no code to do it in this member function:

      void QFileInfoGatherer::setWatching(bool v)
      {
      #if QT_CONFIG(filesystemwatcher)
          QMutexLocker locker(&mutex);
          if (v != m_watching) {
              if (!v) {
                  delete m_watcher;
                  m_watcher = nullptr;
              }
              m_watching = v;
          }
      #else
          Q_UNUSED(v);
      #endif
      }
      

      A unit test showing this problem is linked to this bug.

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            cnn Qt Core & Network
            andreasbuhr Andreas Buhr
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            Dates

              Created:
              Updated: