Revision control
Copy as Markdown
// Copyright (C) 2026 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// A derived type (DerivedWidget) that adds its own property (localCount, with a
// localCountChanged signal) and its own method (combined()) on top of the
// composite base Widget. Its instances live in this (un-reloaded) CU, so their
// caches must be relinked when Widget's layout changes on reload.
pragma ComponentBehavior: Bound
import QtQuick
Item {
component DerivedWidget: Widget {
property int localCount: 3
function combined() { return localCount + value; }
}
DerivedWidget { objectName: "w1" }
DerivedWidget { objectName: "w2" }
}