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  1. Qt
  2. QTBUG-65791

QPrinterInfo/printsupport requires QGuiApplication, but not documented

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 5.10.0
    • Documentation, GUI: Printing
    • None
    • macOS High Sierra
    • macOS

      When QCoreApplication is used instead of a QApplication, no printer infos are available.

      QPrinterInfo::availablePrinters().isEmpty() == true
QPrinterInfo::defaultPrinter().isNull == true

      Printing should be independent of any GUI and if not, there should be a meaningful (or at least any) error message.

       

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            docteam Qt Documentation Team
            picaschaf Alexander Nassian
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              Updated:

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