From 6958308c09ceda855a30c5a2d491f078c5104071 Mon Sep 17 00:00:00 2001 From: J-P Nurmi Date: Mon, 29 Jan 2018 16:58:22 +0100 Subject: Doc: add C++11 lambda examples for qmlRegisterSingletonType() Change-Id: I444137fd10041781df232447b8e2bf712582f079 Reviewed-by: Mitch Curtis Reviewed-by: Shawn Rutledge --- src/qml/doc/src/qmlfunctions.qdoc | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'src/qml/doc/src/qmlfunctions.qdoc') diff --git a/src/qml/doc/src/qmlfunctions.qdoc b/src/qml/doc/src/qmlfunctions.qdoc index 8a62a18eec..f939ddbcf3 100644 --- a/src/qml/doc/src/qmlfunctions.qdoc +++ b/src/qml/doc/src/qmlfunctions.qdoc @@ -324,6 +324,19 @@ qmlRegisterSingletonType("Qt.example.qjsvalueApi", 1, 0, "MyApi", example_qjsvalue_singletontype_provider); \endcode + Alternatively, you can use a C++11 lambda: + + \code + qmlRegisterSingletonType("Qt.example.qjsvalueApi", 1, 0, "MyApi", [](QQmlEngine *engine, QJSEngine *scriptEngine) -> QJSValue { + Q_UNUSED(engine) + + static int seedValue = 5; + QJSValue example = scriptEngine->newObject(); + example.setProperty("someProperty", seedValue++); + return example; + }); + \endcode + In order to use the registered singleton type in QML, you must import the singleton type. \qml import QtQuick 2.0 @@ -423,6 +436,18 @@ qmlRegisterSingletonType("Qt.example.qobjectSingleton", 1, 0, "MyApi", example_qobject_singletontype_provider); \endcode + Alternatively, you can use a C++11 lambda: + + \code + qmlRegisterSingletonType("Qt.example.qjsvalueApi", 1, 0, "MyApi", [](QQmlEngine *engine, QJSEngine *scriptEngine) -> QObject * { + Q_UNUSED(engine) + Q_UNUSED(scriptEngine) + + SingletonTypeExample *example = new SingletonTypeExample(); + return example; + }); + \endcode + In order to use the registered singleton type in QML, you must import the singleton type. \qml import QtQuick 2.0 -- cgit v1.2.3