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  1. Qt
  2. QTBUG-86288

QQC2 ComboBox textAt() fails with some models

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 5.15
    • Quick: Controls 2
    • None
    • Linux, Qt built from 5.15 branch
    • All

      class Foo {
          Q_GADGET
          Q_PROPERTY(QString bar MEMBER bar CONSTANT)
          QString bar = "Hello";
      };
      
      class Bar : public QObject {
          Q_OBJECT
          Q_PROPERTY(QVariantList foos MEMBER foos CONSTANT)
      
          QVariantList foos{QVariant::fromValue(Foo{}),QVariant::fromValue(Foo{})};
      };
      
      ComboBox {
          model: Bar.foos
          textRole: "bar"
          onCurrentIndexChanged: console.log(textAt(currentIndex))
      }
      

      textAt(currentIndex) always returns an empty string, which results in the combobox displaying an empty string. The delegates however display the string properly.

      Replacing the QVariantList model with other types of models works fine though

       

      ComboBox {
          model: ["Foo", "bar"] // Works fine
          onCurrentIndexChanged: console.log(textAt(currentIndex))
      }
      
      
      ComboBox {
          model: [{bar: "Hello", foo: "Foo"}] // Works fine
          textRole: "bar"
          onCurrentIndexChanged: console.log(textAt(currentIndex))
      }
      

       

       

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            qt.team.quick.subscriptions Qt Quick and Widgets Team
            nicolasfella Nicolas Fella
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              Updated:

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