diff options
10 files changed, 136 insertions, 31 deletions
diff --git a/doc/src/declarative/qtbinding.qdoc b/doc/src/declarative/qtbinding.qdoc index d11825e..3659caa 100644 --- a/doc/src/declarative/qtbinding.qdoc +++ b/doc/src/declarative/qtbinding.qdoc @@ -368,6 +368,10 @@ instead to create the signal handler: \o \snippet doc/src/snippets/declarative/qtbinding/signals-cpp/MyItem.qml 0 \endtable +C++ signals can use enum values as parameters provided that the enum is declared in the +class that is emitting the signal, and that the enum is registered using Q_ENUMS. +See \l {Using enumerations of a custom type} below for details. + \section2 Modifying properties @@ -503,6 +507,21 @@ the \l {Extending QML Functionalities using C++} reference documentation for more information. +\section2 Using enumeration values as signal parameters + +C++ signals may pass enumeration values as signal parameters to QML, providing that the enumeration +and the signal are declared within the same class, or that the enumeration value is one of those declared +in the \l {Qt}{Qt Namespace}. + +Additionally, if a C++ signal with an enum parameter should be connectable to a QML function using the +\l {Connecting signals to methods and other signals}{connect()} function, the enum type must be +registered using qRegisterMetaType(). + +For QML signals, enum values may be used as signal parameters using the \c int type: + +\snippet doc/src/snippets/declarative/qtbinding/enums/standalone.qml 1 + + \section2 Automatic type conversion from strings As a convenience, some basic types can be specified in QML using format strings to make it easier to diff --git a/doc/src/snippets/declarative/qtbinding/enums/standalone.qml b/doc/src/snippets/declarative/qtbinding/enums/standalone.qml index 5721870..74e2c9c 100644 --- a/doc/src/snippets/declarative/qtbinding/enums/standalone.qml +++ b/doc/src/snippets/declarative/qtbinding/enums/standalone.qml @@ -38,6 +38,9 @@ ** ****************************************************************************/ import MyLibrary 1.0 +import QtQuick 1.0 + +Item { //![0] ImageViewer { @@ -47,3 +50,15 @@ ImageViewer { } } //![0] + +//![1] +ImageViewer { + signal someOtherSignal(int statusValue) + + Component.onCompleted: { + someOtherSignal(ImageViewer.Loading) + } +} +//![1] + +} diff --git a/src/declarative/qml/qdeclarativeboundsignal.cpp b/src/declarative/qml/qdeclarativeboundsignal.cpp index 28dfea9..47a15cb 100644 --- a/src/declarative/qml/qdeclarativeboundsignal.cpp +++ b/src/declarative/qml/qdeclarativeboundsignal.cpp @@ -225,9 +225,35 @@ QDeclarativeBoundSignalParameters::QDeclarativeBoundSignalParameters(const QMeta QMetaPropertyBuilder prop = mob.addProperty(name, "QObject*"); prop.setWritable(false); } else { + QByteArray propType = type; + if (t >= QVariant::UserType || t == QVariant::Invalid) { + //copy of QDeclarativeObjectScriptClass::enumType() + QByteArray scope; + QByteArray name; + int scopeIdx = propType.lastIndexOf("::"); + if (scopeIdx != -1) { + scope = propType.left(scopeIdx); + name = propType.mid(scopeIdx + 2); + } else { + name = propType; + } + const QMetaObject *meta; + if (scope == "Qt") + meta = &QObject::staticQtMetaObject; + else + meta = parent->parent()->metaObject(); //### assumes parent->parent() + for (int i = meta->enumeratorCount() - 1; i >= 0; --i) { + QMetaEnum m = meta->enumerator(i); + if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope))) { + t = QVariant::Int; + propType = "int"; + break; + } + } + } if (QDeclarativeMetaType::canCopy(t)) { types[ii] = t; - QMetaPropertyBuilder prop = mob.addProperty(name, type); + QMetaPropertyBuilder prop = mob.addProperty(name, propType); prop.setWritable(false); } else { types[ii] = 0x80000000 | t; diff --git a/src/declarative/util/qdeclarativelistmodel.cpp b/src/declarative/util/qdeclarativelistmodel.cpp index b2739f0..258bc81 100644 --- a/src/declarative/util/qdeclarativelistmodel.cpp +++ b/src/declarative/util/qdeclarativelistmodel.cpp @@ -1301,9 +1301,6 @@ int NestedListModel::count() const void NestedListModel::clear() { - _rolesOk = false; - roleStrings.clear(); - if (_root) _root->clear(); } diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/signalAssignment.2.qml b/tests/auto/declarative/qdeclarativeecmascript/data/signalAssignment.2.qml index 8addcb9..6467c42 100644 --- a/tests/auto/declarative/qdeclarativeecmascript/data/signalAssignment.2.qml +++ b/tests/auto/declarative/qdeclarativeecmascript/data/signalAssignment.2.qml @@ -1,5 +1,5 @@ import Qt.test 1.0 MyQmlObject { - onArgumentSignal: setString('pass ' + a + ' ' + b + ' ' + c) + onArgumentSignal: setString('pass ' + a + ' ' + b + ' ' + c + ' ' + d + ' ' + e) } diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/signalParameterTypes.qml b/tests/auto/declarative/qdeclarativeecmascript/data/signalParameterTypes.qml index ffbe317..4fc2dab 100644 --- a/tests/auto/declarative/qdeclarativeecmascript/data/signalParameterTypes.qml +++ b/tests/auto/declarative/qdeclarativeecmascript/data/signalParameterTypes.qml @@ -7,10 +7,12 @@ MyQmlObject property real realProperty property color colorProperty property variant variantProperty + property int enumProperty + property int qtEnumProperty - signal mySignal(int a, real b, color c, variant d) + signal mySignal(int a, real b, color c, variant d, int e, int f) - onMySignal: { intProperty = a; realProperty = b; colorProperty = c; variantProperty = d; } + onMySignal: { intProperty = a; realProperty = b; colorProperty = c; variantProperty = d; enumProperty = e; qtEnumProperty = f; } - onBasicSignal: root.mySignal(10, 19.2, Qt.rgba(1, 1, 0, 1), Qt.rgba(1, 0, 1, 1)) + onBasicSignal: root.mySignal(10, 19.2, Qt.rgba(1, 1, 0, 1), Qt.rgba(1, 0, 1, 1), MyQmlObject.EnumValue3, Qt.LeftButton) } diff --git a/tests/auto/declarative/qdeclarativeecmascript/testtypes.cpp b/tests/auto/declarative/qdeclarativeecmascript/testtypes.cpp index 7e63bd5..1d65b15 100644 --- a/tests/auto/declarative/qdeclarativeecmascript/testtypes.cpp +++ b/tests/auto/declarative/qdeclarativeecmascript/testtypes.cpp @@ -127,6 +127,8 @@ void registerTypes() qmlRegisterType<QPlainTextEdit>("Qt.test",1,0,"QPlainTextEdit"); qRegisterMetaType<MyQmlObject::MyType>("MyQmlObject::MyType"); + qRegisterMetaType<MyQmlObject::MyType>("MyEnum2"); + qRegisterMetaType<Qt::MouseButtons>("Qt::MouseButtons"); } #include "testtypes.moc" diff --git a/tests/auto/declarative/qdeclarativeecmascript/testtypes.h b/tests/auto/declarative/qdeclarativeecmascript/testtypes.h index 081cc4c..94cec3f 100644 --- a/tests/auto/declarative/qdeclarativeecmascript/testtypes.h +++ b/tests/auto/declarative/qdeclarativeecmascript/testtypes.h @@ -159,7 +159,7 @@ public: signals: void basicSignal(); - void argumentSignal(int a, QString b, qreal c); + void argumentSignal(int a, QString b, qreal c, MyEnum2 d, Qt::MouseButtons e); void stringChanged(); void objectChanged(); void anotherBasicSignal(); diff --git a/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp b/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp index 48466d5..7876671 100644 --- a/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp +++ b/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp @@ -304,8 +304,8 @@ void tst_qdeclarativeecmascript::signalAssignment() MyQmlObject *object = qobject_cast<MyQmlObject *>(component.create()); QVERIFY(object != 0); QCOMPARE(object->string(), QString()); - emit object->argumentSignal(19, "Hello world!", 10.25); - QCOMPARE(object->string(), QString("pass 19 Hello world! 10.25")); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); + QCOMPARE(object->string(), QString("pass 19 Hello world! 10.25 3 2")); } } @@ -870,7 +870,7 @@ void tst_qdeclarativeecmascript::scope() QCOMPARE(object->property("test").toInt(), 0); QCOMPARE(object->property("test2").toString(), QString()); - emit object->argumentSignal(13, "Argument Scope", 9); + emit object->argumentSignal(13, "Argument Scope", 9, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 13); QCOMPARE(object->property("test2").toString(), QString("Argument Scope")); @@ -895,6 +895,8 @@ void tst_qdeclarativeecmascript::signalParameterTypes() QCOMPARE(object->property("realProperty").toReal(), 19.2); QVERIFY(object->property("colorProperty").value<QColor>() == QColor(255, 255, 0, 255)); QVERIFY(object->property("variantProperty") == QVariant::fromValue(QColor(255, 0, 255, 255))); + QVERIFY(object->property("enumProperty") == MyQmlObject::EnumValue3); + QVERIFY(object->property("qtEnumProperty") == Qt::LeftButton); } /* @@ -1139,7 +1141,7 @@ void tst_qdeclarativeecmascript::signalTriggeredBindings() QCOMPARE(object->property("test1").toReal(), 200.); QCOMPARE(object->property("test2").toReal(), 200.); - object->argumentSignal(10, QString(), 10); + object->argumentSignal(10, QString(), 10, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("base").toReal(), 400.); QCOMPARE(object->property("test1").toReal(), 400.); @@ -1940,7 +1942,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toBool(), false); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toBool(), true); delete object; @@ -1953,7 +1955,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toBool(), false); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toBool(), true); delete object; @@ -1966,7 +1968,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toBool(), false); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toBool(), true); delete object; @@ -1979,7 +1981,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->methodCalled(), false); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->methodCalled(), true); delete object; @@ -1992,7 +1994,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->methodCalled(), false); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->methodCalled(), true); delete object; @@ -2005,7 +2007,7 @@ void tst_qdeclarativeecmascript::scriptConnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toInt(), 0); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); delete object; @@ -2021,13 +2023,13 @@ void tst_qdeclarativeecmascript::scriptDisconnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toInt(), 0); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 1); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); emit object->basicSignal(); QCOMPARE(object->property("test").toInt(), 2); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); delete object; @@ -2040,13 +2042,13 @@ void tst_qdeclarativeecmascript::scriptDisconnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toInt(), 0); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 1); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); emit object->basicSignal(); QCOMPARE(object->property("test").toInt(), 2); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); delete object; @@ -2059,13 +2061,13 @@ void tst_qdeclarativeecmascript::scriptDisconnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toInt(), 0); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 1); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); emit object->basicSignal(); QCOMPARE(object->property("test").toInt(), 2); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 3); delete object; @@ -2077,13 +2079,13 @@ void tst_qdeclarativeecmascript::scriptDisconnect() QVERIFY(object != 0); QCOMPARE(object->property("test").toInt(), 0); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 1); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 2); emit object->basicSignal(); QCOMPARE(object->property("test").toInt(), 2); - emit object->argumentSignal(19, "Hello world!", 10.25); + emit object->argumentSignal(19, "Hello world!", 10.25, MyQmlObject::EnumValue4, Qt::RightButton); QCOMPARE(object->property("test").toInt(), 3); delete object; diff --git a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp index 45072f3..2f7513f 100644 --- a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp +++ b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp @@ -106,6 +106,7 @@ private slots: void property_changes_data(); void property_changes_worker(); void property_changes_worker_data(); + void clear(); }; int tst_qdeclarativelistmodel::roleFromName(const QDeclarativeListModel *model, const QString &roleName) { @@ -1091,6 +1092,47 @@ void tst_qdeclarativelistmodel::property_changes_worker_data() property_changes_data(); } +void tst_qdeclarativelistmodel::clear() +{ + QDeclarativeEngine engine; + QDeclarativeListModel model; + QDeclarativeEngine::setContextForObject(&model, engine.rootContext()); + engine.rootContext()->setContextObject(&model); + + QScriptEngine *seng = QDeclarativeEnginePrivate::getScriptEngine(&engine); + QScriptValue sv = seng->newObject(); + QVariant result; + + model.clear(); + QCOMPARE(model.count(), 0); + + sv.setProperty("propertyA", "value a"); + sv.setProperty("propertyB", "value b"); + model.append(sv); + QCOMPARE(model.count(), 1); + + model.clear(); + QCOMPARE(model.count(), 0); + + model.append(sv); + model.append(sv); + QCOMPARE(model.count(), 2); + + model.clear(); + QCOMPARE(model.count(), 0); + + // clearing does not remove the roles + sv.setProperty("propertyC", "value c"); + model.append(sv); + QList<int> roles = model.roles(); + model.clear(); + QCOMPARE(model.count(), 0); + QCOMPARE(model.roles(), roles); + QCOMPARE(model.toString(roles[0]), QString("propertyA")); + QCOMPARE(model.toString(roles[1]), QString("propertyB")); + QCOMPARE(model.toString(roles[2]), QString("propertyC")); +} + QTEST_MAIN(tst_qdeclarativelistmodel) #include "tst_qdeclarativelistmodel.moc" |