Support unregistered Qt namespace enums in QML methods.

This brings the support in line with signal handlers, which should allow
us to reuse the implementation there when appropriate. Also adds tests
for both registered and unregisted Qt namespace enums.

Change-Id: I366846626fc44d6d99b51e93fc9e3cb948c748f9
Reviewed-by: Chris Adams <christopher.adams@nokia.com>

src/qml/qml/qqmlpropertycache.cpp

@@ -682,7 +682,13 @@ QStringList QQmlPropertyCache::propertyNames() const
     return keys;
 }
 
-static int EnumType(const QMetaObject *meta, const QByteArray &str)
+struct StaticQtMetaObject : public QObject
+{
+    static const QMetaObject *get()
+        { return &static_cast<StaticQtMetaObject*> (0)->staticQtMetaObject; }
+};
+
+static int EnumType(const QMetaObject *metaobj, const QByteArray &str)
 {
     QByteArray scope;
     QByteArray name;
@@ -693,6 +699,11 @@ static int EnumType(const QMetaObject *meta, const QByteArray &str)
     } else { 
         name = str;
     }
+    const QMetaObject *meta;
+    if (scope == "Qt")
+        meta = StaticQtMetaObject::get();
+    else
+        meta = metaobj;
     for (int i = meta->enumeratorCount() - 1; i >= 0; --i) {
         QMetaEnum m = meta->enumerator(i);
         if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope)))

tests/auto/qml/qqmllanguage/data/globalEnums.qml

@@ -19,13 +19,25 @@ Item {
             bValue = newValue;
         }
 
+        onValueCChanged: {
+            cValue = newValue;
+        }
+
+        onValueDChanged: {
+            dValue = newValue;
+        }
+
         property int aValue: 0
         property int bValue: 0
+        property int cValue: 0
+        property int dValue: 0
     }
 
     function setEnumValues() {
         enum1Class.setValue(MyEnum1Class.A_13);
         enumDerivedClass.setValueA(MyEnum1Class.A_11);
         enumDerivedClass.setValueB(MyEnum2Class.B_37);
+        enumDerivedClass.setValueC(Qt.RichText);
+        enumDerivedClass.setValueD(Qt.ElideMiddle);
     }
 }

tests/auto/qml/qqmllanguage/testtypes.h

@@ -854,17 +854,25 @@ class MyEnum2Class : public QObject
 
     MyEnum1Class::EnumA getValueA() { return valueA; }
     EnumB getValueB() { return valueB; }
+    Qt::TextFormat getValueC() { return valueC; }
+    Qt::TextElideMode getValueD() { return valueD; }
 
     Q_INVOKABLE void setValueA(MyEnum1Class::EnumA v) { valueA = v; emit valueAChanged(v); }
     Q_INVOKABLE void setValueB(EnumB v) { valueB = v; emit valueBChanged(v); }
+    Q_INVOKABLE void setValueC(Qt::TextFormat v) { valueC = v; emit valueCChanged(v); }     //registered
+    Q_INVOKABLE void setValueD(Qt::TextElideMode v) { valueD = v; emit valueDChanged(v); }  //unregistered
 
 signals:
     void valueAChanged(MyEnum1Class::EnumA newValue);
     void valueBChanged(MyEnum2Class::EnumB newValue);
+    void valueCChanged(Qt::TextFormat newValue);
+    void valueDChanged(Qt::TextElideMode newValue);
 
 private:
     MyEnum1Class::EnumA valueA;
     EnumB valueB;
+    Qt::TextFormat valueC;
+    Qt::TextElideMode valueD;
 };
 
 class MyEnumDerivedClass : public MyEnum2Class
@@ -874,6 +882,7 @@ class MyEnumDerivedClass : public MyEnum2Class
 
 Q_DECLARE_METATYPE(MyEnum2Class::EnumB)
 Q_DECLARE_METATYPE(MyEnum1Class::EnumA)
+Q_DECLARE_METATYPE(Qt::TextFormat)
 
 QML_DECLARE_TYPE(MyRevisionedBaseClassRegistered)
 QML_DECLARE_TYPE(MyRevisionedBaseClassUnregistered)

tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp

@@ -2293,6 +2293,7 @@ void tst_qqmllanguage::globalEnums()
 {
     qRegisterMetaType<MyEnum1Class::EnumA>();
     qRegisterMetaType<MyEnum2Class::EnumB>();
+    qRegisterMetaType<Qt::TextFormat>();
 
     QQmlComponent component(&engine, TEST_FILE("globalEnums.qml"));
 
@@ -2310,6 +2311,8 @@ void tst_qqmllanguage::globalEnums()
 
     QVERIFY(enum2Class->property("aValue") == 0);
     QVERIFY(enum2Class->property("bValue") == 0);
+    QVERIFY(enum2Class->property("cValue") == 0);
+    QVERIFY(enum2Class->property("dValue") == 0);
 
     QSignalSpy signalA(enum2Class, SIGNAL(valueAChanged(MyEnum1Class::EnumA)));
     QSignalSpy signalB(enum2Class, SIGNAL(valueBChanged(MyEnum2Class::EnumB)));
@@ -2319,12 +2322,16 @@ void tst_qqmllanguage::globalEnums()
     QVERIFY(enum1Class->getValue() == MyEnum1Class::A_13);
     QVERIFY(enum2Class->getValueA() == MyEnum1Class::A_11);
     QVERIFY(enum2Class->getValueB() == MyEnum2Class::B_37);
+    QVERIFY(enum2Class->getValueC() == Qt::RichText);
+    QVERIFY(enum2Class->getValueD() == Qt::ElideMiddle);
 
     QVERIFY(signalA.count() == 1);
     QVERIFY(signalB.count() == 1);
 
     QVERIFY(enum2Class->property("aValue") == MyEnum1Class::A_11);
     QVERIFY(enum2Class->property("bValue") == 37);
+    QVERIFY(enum2Class->property("cValue") == 1);
+    QVERIFY(enum2Class->property("dValue") == 2);
 
     delete o;
 }