From 3d90e35abae15f133ad2a71874f6926773c96449 Mon Sep 17 00:00:00 2001 From: Aaron Kennedy Date: Fri, 9 Apr 2010 17:59:07 +1000 Subject: Add a Qt.isQtObject() method QTBUG-9705 --- doc/src/declarative/globalobject.qdoc | 3 +++ src/declarative/qml/qdeclarativeengine.cpp | 9 +++++++++ src/declarative/qml/qdeclarativeengine_p.h | 1 + .../auto/declarative/qdeclarativeqt/data/isQtObject.qml | 14 ++++++++++++++ .../declarative/qdeclarativeqt/tst_qdeclarativeqt.cpp | 16 ++++++++++++++++ 5 files changed, 43 insertions(+) create mode 100644 tests/auto/declarative/qdeclarativeqt/data/isQtObject.qml diff --git a/doc/src/declarative/globalobject.qdoc b/doc/src/declarative/globalobject.qdoc index 71ab67d..97f5d91 100644 --- a/doc/src/declarative/globalobject.qdoc +++ b/doc/src/declarative/globalobject.qdoc @@ -203,6 +203,9 @@ This function causes the QML engine to emit the quit signal, which in This function returns \c url resolved relative to the URL of the caller. +\section3 Qt.isQtObject(object) +Returns true if \c object is a valid reference to a Qt or QML object, otherwise false. + \section1 Dynamic Object Creation The following functions on the global object allow you to dynamically create QML items from files or strings. See \l{Dynamic Object Management} for an overview diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp index 944abce..e459d0f 100644 --- a/src/declarative/qml/qdeclarativeengine.cpp +++ b/src/declarative/qml/qdeclarativeengine.cpp @@ -225,6 +225,7 @@ QDeclarativeScriptEngine::QDeclarativeScriptEngine(QDeclarativeEnginePrivate *pr // XXX used to add Qt.Sound class. //types + qtObject.setProperty(QLatin1String("isQtObject"), newFunction(QDeclarativeEnginePrivate::isQtObject, 1)); qtObject.setProperty(QLatin1String("rgba"), newFunction(QDeclarativeEnginePrivate::rgba, 4)); qtObject.setProperty(QLatin1String("hsla"), newFunction(QDeclarativeEnginePrivate::hsla, 4)); qtObject.setProperty(QLatin1String("rect"), newFunction(QDeclarativeEnginePrivate::rect, 4)); @@ -1027,6 +1028,14 @@ QScriptValue QDeclarativeEnginePrivate::createQmlObject(QScriptContext *ctxt, QS return activeEnginePriv->objectClass->newQObject(obj, QMetaType::QObjectStar); } +QScriptValue QDeclarativeEnginePrivate::isQtObject(QScriptContext *ctxt, QScriptEngine *engine) +{ + if (ctxt->argumentCount() == 0) + return QScriptValue(engine, false); + + return QScriptValue(engine, 0 != ctxt->argument(0).toQObject()); +} + QScriptValue QDeclarativeEnginePrivate::vector(QScriptContext *ctxt, QScriptEngine *engine) { if(ctxt->argumentCount() != 3) diff --git a/src/declarative/qml/qdeclarativeengine_p.h b/src/declarative/qml/qdeclarativeengine_p.h index 6bcd0d1..7766ad6 100644 --- a/src/declarative/qml/qdeclarativeengine_p.h +++ b/src/declarative/qml/qdeclarativeengine_p.h @@ -317,6 +317,7 @@ public: static QScriptValue createComponent(QScriptContext*, QScriptEngine*); static QScriptValue createQmlObject(QScriptContext*, QScriptEngine*); + static QScriptValue isQtObject(QScriptContext*, QScriptEngine*); static QScriptValue vector(QScriptContext*, QScriptEngine*); static QScriptValue rgba(QScriptContext*, QScriptEngine*); static QScriptValue hsla(QScriptContext*, QScriptEngine*); diff --git a/tests/auto/declarative/qdeclarativeqt/data/isQtObject.qml b/tests/auto/declarative/qdeclarativeqt/data/isQtObject.qml new file mode 100644 index 0000000..d986492 --- /dev/null +++ b/tests/auto/declarative/qdeclarativeqt/data/isQtObject.qml @@ -0,0 +1,14 @@ +import Qt 4.6 + +QtObject { + id: root + + property QtObject nullObject + + property bool test1: Qt.isQtObject(root) + property bool test2: Qt.isQtObject(nullObject) + property bool test3: Qt.isQtObject(10) + property bool test4: Qt.isQtObject(null) + property bool test5: Qt.isQtObject({ a: 10, b: 11 }) +} + diff --git a/tests/auto/declarative/qdeclarativeqt/tst_qdeclarativeqt.cpp b/tests/auto/declarative/qdeclarativeqt/tst_qdeclarativeqt.cpp index 48d5235..98f1200 100644 --- a/tests/auto/declarative/qdeclarativeqt/tst_qdeclarativeqt.cpp +++ b/tests/auto/declarative/qdeclarativeqt/tst_qdeclarativeqt.cpp @@ -73,6 +73,7 @@ private slots: void createQmlObject(); void consoleLog(); void formatting(); + void isQtObject(); private: QDeclarativeEngine engine; @@ -392,6 +393,21 @@ void tst_qdeclarativeqt::formatting() delete object; } +void tst_qdeclarativeqt::isQtObject() +{ + QDeclarativeComponent component(&engine, TEST_FILE("isQtObject.qml")); + QObject *object = component.create(); + QVERIFY(object != 0); + + QCOMPARE(object->property("test1").toBool(), true); + QCOMPARE(object->property("test2").toBool(), false); + QCOMPARE(object->property("test3").toBool(), false); + QCOMPARE(object->property("test4").toBool(), false); + QCOMPARE(object->property("test5").toBool(), false); + + delete object; +} + QTEST_MAIN(tst_qdeclarativeqt) #include "tst_qdeclarativeqt.moc" -- cgit v0.12