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  1. Qt Creator
  2. QTCREATORBUG-11801

CLONE - import QtMultimedia 5.0 causes Qt Quick Designer to be blank

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Details

    • Bug
    • Resolution: Invalid
    • P1: Critical
    • None
    • Qt Creator 3.0.0
    • Quick / QML Support, Quick Designer
    • None

    Description

      When using C++ custom components and then

      import QtMultimedia 5.0
      ..

      MediaPlayer

      { id: player }

      The Qt Designer randomly stops working, it get blank content window altough it can be used as GUI editor.

      Screenshot attached.

      CONSOLE LOG:

      $ QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      Process finished: QProcess(0xb8370a0, name = "EditorProcess")
      Process finished: QProcess(0xb7fe388, name = "PreviewProcess")
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      Process finished: QProcess(0xb817b48, name = "RenderProcess")
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      qrc:/stateseditor/stateslist.qml:400: TypeError: Cannot read property of null
      qrc:/stateseditor/stateslist.qml:168:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-2
      Process finished: QProcess(0xb8315d8, name = "EditorProcess")
      Process finished: QProcess(0xb802268, name = "PreviewProcess")
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      Process finished: QProcess(0xb81ad88, name = "RenderProcess")
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      QIODevice::write: device not open
      qrc:/stateseditor/stateslist.qml:400: TypeError: Cannot read property of null
      qrc:/stateseditor/stateslist.qml:168:17: QML Image: Failed to get image from provider: image://qmldesigner_stateseditor/baseState-4
      qrc:/stateseditor/stateslist.qml:400: TypeError: Cannot read property of null
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3
      QPainter::begin: Paint device returned engine == 0, type: 3

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            bubke Marco Bubke
            desert Ariel Molina R.
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            Dates

              Created:
              Updated:
              Resolved:

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