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Diffstat (limited to 'src/qml/doc/src/qmllint/unqualified.qdoc')
-rw-r--r-- | src/qml/doc/src/qmllint/unqualified.qdoc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/qml/doc/src/qmllint/unqualified.qdoc b/src/qml/doc/src/qmllint/unqualified.qdoc new file mode 100644 index 0000000000..7f2e315efe --- /dev/null +++ b/src/qml/doc/src/qmllint/unqualified.qdoc @@ -0,0 +1,52 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only + +/*! +\page qmllint-warnings-and-errors-unqualified.html +\ingroup qmllint-warnings-and-errors + +\title Unqualified Access +\brief Accessing an outer scope without its id. + +\section1 Unqualified Access + +\section2 What happened? + +A parent element was accessed without its \l{QML Object Attributes#the-id-attribute}{id}. + +\section2 Why is this bad? + +This makes the code harder to read and impedes performance. + +\section2 Example + +\qml +import QtQuick + +Item { + property int helloWorld + Item { + property int unqualifiedAccess: helloWorld + 1 // not ok: Unqualified access here. + } +} +\endqml + +You can fix this warning by referring to the parent object by +\l{QML Object Attributes#the-id-attribute}{id}. +If the object currently has no \l{QML Object Attributes#the-id-attribute}{id}, you will need to add +one first. + +\qml +import QtQuick + +Item { + id: root + property int helloWorld + Item { + property int unqualifiedAccess: root.helloWorld + 1 // ok: this access is qualified now! + } +} +\endqml + +\sa {QML Coding Conventions#unqualified-access}{QML Coding Conventions - Unqualified Access} +*/ |