Use the extended QQmlListProperty interface in a few places

Task-number: QTBUG-79263
Change-Id: If518f644b5b9eddbacfb1cb16fbb557127ffcfb2
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 23 insertions, 1 deletions

diff --git a/src/imports/labsmodels/qqmldelegatecomponent.cpp b/src/imports/labsmodels/qqmldelegatecomponent.cpp
index aaf3fea5da..b8eb8049b3 100644
--- a/src/imports/labsmodels/qqmldelegatecomponent.cpp
+++ b/src/imports/labsmodels/qqmldelegatecomponent.cpp
@@ -250,7 +250,9 @@ QQmlListProperty<QQmlDelegateChoice> QQmlDelegateChooser::choices()
                                                 QQmlDelegateChooser::choices_append,
                                                 QQmlDelegateChooser::choices_count,
                                                 QQmlDelegateChooser::choices_at,
-                                                QQmlDelegateChooser::choices_clear);
+                                                QQmlDelegateChooser::choices_clear,
+                                                QQmlDelegateChooser::choices_replace,
+                                                QQmlDelegateChooser::choices_removeLast);
 }
 
 void QQmlDelegateChooser::choices_append(QQmlListProperty<QQmlDelegateChoice> *prop, QQmlDelegateChoice *choice)
@@ -282,6 +284,26 @@ void QQmlDelegateChooser::choices_clear(QQmlListProperty<QQmlDelegateChoice> *pr
     q->delegateChanged();
 }
 
+void QQmlDelegateChooser::choices_replace(QQmlListProperty<QQmlDelegateChoice> *prop, int index,
+                                          QQmlDelegateChoice *choice)
+{
+    QQmlDelegateChooser *q = static_cast<QQmlDelegateChooser *>(prop->object);
+    disconnect(q->m_choices[index], &QQmlDelegateChoice::changed,
+               q, &QQmlAbstractDelegateComponent::delegateChanged);
+    q->m_choices[index] = choice;
+    connect(choice, &QQmlDelegateChoice::changed, q,
+            &QQmlAbstractDelegateComponent::delegateChanged);
+    q->delegateChanged();
+}
+
+void QQmlDelegateChooser::choices_removeLast(QQmlListProperty<QQmlDelegateChoice> *prop)
+{
+    QQmlDelegateChooser *q = static_cast<QQmlDelegateChooser *>(prop->object);
+    disconnect(q->m_choices.takeLast(), &QQmlDelegateChoice::changed,
+               q, &QQmlAbstractDelegateComponent::delegateChanged);
+    q->delegateChanged();
+}
+
 QQmlComponent *QQmlDelegateChooser::delegate(QQmlAdaptorModel *adaptorModel, int row, int column) const
 {
     QVariant v;