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  1. Qt
  2. QTBUG-108739

Most properties in QtQuick are not FINAL and can be shadowed

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    Description

      Accessing a DragHandler via property like

      import QtQuick

Window {
    id: root
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    readonly property bool active: root.dragHandler.active
    property DragHandler dragHandler: DragHandler {}
}

      compiles with

      Warning: main.qml:10:53: Could not compile binding for active: Member active of QQuickDragHandler of (component in /home/prcs1076/tmp/untitled/build/main.qml)::dragHandler 
with type QQuickDragHandler can be shadowed [compiler]

    readonly property bool active: root.dragHandler.active

       

      In contrast to QTBUG-108599 the assigned type is defined. Maybe because it's active property is not FINAL.

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          is covered by

          Task - A task that needs to be done. QTBUG-98320 Clean up overriding of Q_PROPERTY and Q_INVOKABLE

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported
          relates to

          Suggestion - Public suggestions QTBUG-114161 QML FolderListModel: Give its writable properties NOTIFY signals

          • Not Evaluated - Not yet evaluated/prioritized
          • Reported

          Suggestion - Public suggestions QTBUG-116636 qmltc: Add ability to mark Q_PROPERTY() as FINAL

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported

          Suggestion - Public suggestions QTBUG-114750 AppMan: Add "FINAL" to all Q_PROPERTY() declarations (unless they are meant to be overridden)

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-114140 qmlsc complains about shadowing on the wrong type

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          mentioned in

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              qt.team.quick.subscriptions Qt Quick and Widgets Team
              cajus Cajus Pollmeier
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              Dates

                Created:
                Updated:
                Resolved: