QQmlListModel: emit dataChange signal when updating the translations

We can't really track the individual bindings. Updating all string
fields is a blunt thing to do, but it always works and it's not worse
than what we did before the translation binding optimization.

Fixes: QTBUG-107208
Change-Id: I96b86c979b3168f052af4685874741f674e3337f
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 53fa870971c23f932aebcaca6e5393aadd081e54)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/qmlmodels/qqmllistmodel.cpp b/src/qmlmodels/qqmllistmodel.cpp
index 94bb5d6c02..1019a367a8 100644
--- a/src/qmlmodels/qqmllistmodel.cpp
+++ b/src/qmlmodels/qqmllistmodel.cpp
@@ -2518,6 +2518,16 @@ void QQmlListModel::updateTranslations()
     if (m_dynamicRoles)
         return;
     Q_ASSERT(m_listModel);
+
+    QList<int> roles;
+    for (int i = 0, end = m_listModel->roleCount(); i != end; ++i) {
+        if (m_listModel->getExistingRole(i).type == ListLayout::Role::String)
+            roles.append(i);
+    }
+
+    if (!roles.isEmpty())
+        emitItemsChanged(0, rowCount(QModelIndex()), roles);
+
     m_listModel->updateTranslations();
 }