Add Settings.sync method

This matches QSettings.sync

Change-Id: Ife73e16c23e1b03f7539fac70ea0a71b76bd3aca
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/imports/settings/qqmlsettings.cpp b/src/imports/settings/qqmlsettings.cpp
index f7a7d8b055..287a70363a 100644
--- a/src/imports/settings/qqmlsettings.cpp
+++ b/src/imports/settings/qqmlsettings.cpp
@@ -487,6 +487,25 @@ void QQmlSettings::setValue(const QString &key, const QVariant &value)
     qCDebug(lcSettings) << "QQmlSettings: setValue" << key << ":" << value;
 }
 
+/*!
+   \qmlmethod Settings::sync()
+
+    Writes any unsaved changes to permanent storage, and reloads any
+    settings that have been changed in the meantime by another
+    application.
+
+    This function is called automatically from QSettings's destructor and
+    by the event loop at regular intervals, so you normally don't need to
+    call it yourself.
+
+   \sa QSettings::sync
+*/
+void QQmlSettings::sync()
+{
+    Q_D(QQmlSettings);
+    d->instance()->sync();
+}
+
 void QQmlSettings::classBegin()
 {
 }
diff --git a/src/imports/settings/qqmlsettings_p.h b/src/imports/settings/qqmlsettings_p.h
index f9122a58f7..a86c8b4751 100644
--- a/src/imports/settings/qqmlsettings_p.h
+++ b/src/imports/settings/qqmlsettings_p.h
@@ -79,6 +79,7 @@ public:
 
     Q_INVOKABLE QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
     Q_INVOKABLE void setValue(const QString &key, const QVariant &value);
+    Q_INVOKABLE void sync();
 
 protected:
     void timerEvent(QTimerEvent *event) override;