diff options
Diffstat (limited to 'src/declarative/qml')
-rw-r--r-- | src/declarative/qml/qdeclarativecompiler.cpp | 4 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativecomponent.cpp | 37 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativecontext.cpp | 2 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativedom.cpp | 2 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeengine.cpp | 8 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeexpression.cpp | 24 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeextensionplugin.cpp | 4 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativeimport.cpp | 24 | ||||
-rw-r--r-- | src/declarative/qml/qdeclarativemetatype.cpp | 2 |
9 files changed, 87 insertions, 20 deletions
diff --git a/src/declarative/qml/qdeclarativecompiler.cpp b/src/declarative/qml/qdeclarativecompiler.cpp index 623e3df..e3ce70e 100644 --- a/src/declarative/qml/qdeclarativecompiler.cpp +++ b/src/declarative/qml/qdeclarativecompiler.cpp @@ -228,10 +228,10 @@ bool QDeclarativeCompiler::testLiteralAssignment(const QMetaProperty &prop, } break; case QMetaType::Float: - if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: float expected")); + if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: number expected")); break; case QVariant::Double: - if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: double expected")); + if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: number expected")); break; case QVariant::Color: { diff --git a/src/declarative/qml/qdeclarativecomponent.cpp b/src/declarative/qml/qdeclarativecomponent.cpp index 9d3032c..8b013fe 100644 --- a/src/declarative/qml/qdeclarativecomponent.cpp +++ b/src/declarative/qml/qdeclarativecomponent.cpp @@ -68,14 +68,44 @@ class QByteArray; /*! \class QDeclarativeComponent \since 4.7 - \brief The QDeclarativeComponent class encapsulates a QML component description. + \brief The QDeclarativeComponent class encapsulates a QML component definition. \mainclass + + Components are reusable, encapsulated QML elements with well-defined interfaces. + They are often defined in \l {qdeclarativedocuments.html}{Component Files}. + + A QDeclarativeComponent instance can be created from a QML file. + For example, if there is a \c main.qml file like this: + + \qml + import Qt 4.7 + + Item { + width: 200 + height: 200 + } + \endqml + + The following code loads this QML file as a component, creates an instance of + this component using create(), and then queries the \l Item's \l {Item::}{width} + value: + + \code + QDeclarativeEngine *engine = new QDeclarativeEngine; + QDeclarativeComponent component(engine, QUrl::fromLocalFile("main.qml")); + + QObject *myObject = component.create(); + QDeclarativeItem *item = qobject_cast<QDeclarativeItem*>(myObject); + int width = item->width(); + \endcode + + \sa {Using QML in C++ Applications} */ /*! \qmlclass Component QDeclarativeComponent \since 4.7 - \brief The Component element encapsulates a QML component description. + \brief The Component element encapsulates a QML component definition. Components are reusable, encapsulated QML elements with well-defined interfaces. They are often defined in \l {qdeclarativedocuments.html}{Component Files}. @@ -448,7 +478,8 @@ void QDeclarativeComponent::loadUrl(const QUrl &url) d->clear(); - if (url.isRelative() && !url.isEmpty()) + if ((url.isRelative() && !url.isEmpty()) + || url.scheme() == QLatin1String("file")) // Workaround QTBUG-11929 d->url = d->engine->baseUrl().resolved(url); else d->url = url; diff --git a/src/declarative/qml/qdeclarativecontext.cpp b/src/declarative/qml/qdeclarativecontext.cpp index 60e9dd3..3d25291 100644 --- a/src/declarative/qml/qdeclarativecontext.cpp +++ b/src/declarative/qml/qdeclarativecontext.cpp @@ -145,6 +145,8 @@ QDeclarativeContextPrivate::QDeclarativeContextPrivate() has been created in that context is an expensive operation (essentially forcing all bindings to reevaluate). Thus whenever possible you should complete "setup" of the context before using it to create any objects. + + \sa {Using QML in C++ Applications} */ /*! \internal */ diff --git a/src/declarative/qml/qdeclarativedom.cpp b/src/declarative/qml/qdeclarativedom.cpp index a3cddb5..5b30bde 100644 --- a/src/declarative/qml/qdeclarativedom.cpp +++ b/src/declarative/qml/qdeclarativedom.cpp @@ -493,7 +493,7 @@ int QDeclarativeDomDynamicProperty::propertyType() const return QMetaType::type("int"); case QDeclarativeParser::Object::DynamicProperty::Real: - return QMetaType::type("double"); + return sizeof(qreal) == sizeof(double) ? QMetaType::type("double") : QMetaType::type("float"); case QDeclarativeParser::Object::DynamicProperty::String: return QMetaType::type("QString"); diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp index 8b15ae9..8bf7450 100644 --- a/src/declarative/qml/qdeclarativeengine.cpp +++ b/src/declarative/qml/qdeclarativeengine.cpp @@ -151,6 +151,7 @@ void QDeclarativeEnginePrivate::defineModule() } /*! +\keyword QmlGlobalQtObject \qmlclass Qt QDeclarativeEnginePrivate \brief The QML global Qt object provides useful enums and functions from Qt. @@ -1077,7 +1078,7 @@ If you are certain the files will be local, you could simplify to: \snippet doc/src/snippets/declarative/componentCreation.js 2 To create a QML object from an arbitrary string of QML (instead of a file), -use \l{Qt::createQmlObject()}{Qt.createQmlObject()}. +use \l{QML:Qt::createQmlObject()}{Qt.createQmlObject()}. */ QScriptValue QDeclarativeEnginePrivate::createComponent(QScriptContext *ctxt, QScriptEngine *engine) @@ -1124,7 +1125,7 @@ Each object in this array has the members \c lineNumber, \c columnNumber, \c fil Note that this function returns immediately, and therefore may not work if the \a qml string loads new components (that is, external QML files that have not yet been loaded). -If this is the case, consider using \l{Qt::createComponent()}{Qt.createComponent()} instead. +If this is the case, consider using \l{QML:Qt::createComponent()}{Qt.createComponent()} instead. */ QScriptValue QDeclarativeEnginePrivate::createQmlObject(QScriptContext *ctxt, QScriptEngine *engine) @@ -1728,8 +1729,7 @@ void QDeclarativeEnginePrivate::warning(QDeclarativeEnginePrivate *engine, const /*! \qmlmethod Qt::quit() This function causes the QDeclarativeEngine::quit() signal to be emitted. -Within the \l {Qt Declarative UI Runtime}{qml} application this causes the -launcher application to exit. +Within the \l {QML Viewer}, this causes the launcher application to exit. */ QScriptValue QDeclarativeEnginePrivate::quit(QScriptContext * /*ctxt*/, QScriptEngine *e) diff --git a/src/declarative/qml/qdeclarativeexpression.cpp b/src/declarative/qml/qdeclarativeexpression.cpp index 8ae5f2f..96cdec1 100644 --- a/src/declarative/qml/qdeclarativeexpression.cpp +++ b/src/declarative/qml/qdeclarativeexpression.cpp @@ -214,8 +214,30 @@ QScriptValue QDeclarativeExpressionPrivate::evalInObjectScope(QDeclarativeContex /*! \class QDeclarativeExpression - \since 4.7 + \since 4.7 \brief The QDeclarativeExpression class evaluates JavaScript in a QML context. + + For example, given a file \c main.qml like this: + + \qml + import Qt 4.7 + + Item { + width: 200; height: 200 + } + \endqml + + The following code evaluates a JavaScript expression in the context of the + above QML: + + \code + QDeclarativeEngine *engine = new QDeclarativeEngine; + QDeclarativeComponent component(engine, QUrl::fromLocalFile("main.qml")); + + QObject *myObject = component.create(); + QDeclarativeExpression *expr = new QDeclarativeExpression(engine->rootContext(), myObject, "width * 2"); + int result = expr->evaluate().toInt(); // result = 400 + \endcode */ /*! diff --git a/src/declarative/qml/qdeclarativeextensionplugin.cpp b/src/declarative/qml/qdeclarativeextensionplugin.cpp index c2e8300..0660599 100644 --- a/src/declarative/qml/qdeclarativeextensionplugin.cpp +++ b/src/declarative/qml/qdeclarativeextensionplugin.cpp @@ -67,10 +67,8 @@ QT_BEGIN_NAMESPACE See \l {Tutorial: Writing QML extensions with C++} for details on creating QML extensions, including how to build a plugin with with QDeclarativeExtensionPlugin. For a simple overview, see the \l{declarative/cppextensions/plugins}{plugins} example. - - Also see \l {How to Create Qt Plugins} for general Qt plugin documentation. - \sa QDeclarativeEngine::importPlugin() + \sa QDeclarativeEngine::importPlugin(), {How to Create Qt Plugins} */ /*! diff --git a/src/declarative/qml/qdeclarativeimport.cpp b/src/declarative/qml/qdeclarativeimport.cpp index a2e3831..8d81b34 100644 --- a/src/declarative/qml/qdeclarativeimport.cpp +++ b/src/declarative/qml/qdeclarativeimport.cpp @@ -409,7 +409,8 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp QString localFileOrQrc = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(importUrl); if (!localFileOrQrc.isEmpty()) { QString dir = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))); - if (dir.isEmpty() || !QDir().exists(dir)) { + QFileInfo dirinfo(dir); + if (dir.isEmpty() || !dirinfo.exists() || !dirinfo.isDir()) { if (errorString) *errorString = QDeclarativeImportDatabase::tr("\"%1\": no such directory").arg(uri_arg); return false; // local import dirs must exist @@ -425,7 +426,8 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp if (prefix.isEmpty()) { // directory must at least exist for valid import QString localFileOrQrc = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))); - if (localFileOrQrc.isEmpty() || !QDir().exists(localFileOrQrc)) { + QFileInfo dirinfo(localFileOrQrc); + if (localFileOrQrc.isEmpty() || !dirinfo.exists() || !dirinfo.isDir()) { if (errorString) { if (localFileOrQrc.isEmpty()) *errorString = QDeclarativeImportDatabase::tr("import \"%1\" has no qmldir and no namespace").arg(uri); @@ -445,11 +447,23 @@ bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomp if (vmaj > -1 && vmin > -1 && !qmldircomponents.isEmpty()) { QList<QDeclarativeDirParser::Component>::ConstIterator it = qmldircomponents.begin(); + int lowest_maj = INT_MAX; + int lowest_min = INT_MAX; + int highest_maj = INT_MIN; + int highest_min = INT_MIN; for (; it != qmldircomponents.end(); ++it) { - if (it->majorVersion > vmaj || (it->majorVersion == vmaj && it->minorVersion >= vmin)) - break; + if (it->majorVersion > highest_maj || (it->majorVersion == highest_maj && it->minorVersion > highest_min)) { + highest_maj = it->majorVersion; + highest_min = it->minorVersion; + } + if (it->majorVersion < lowest_maj || (it->majorVersion == lowest_maj && it->minorVersion < lowest_min)) { + lowest_maj = it->majorVersion; + lowest_min = it->minorVersion; + } } - if (it == qmldircomponents.end()) { + if (lowest_maj > vmaj || (lowest_maj == vmaj && lowest_min > vmin) + || highest_maj < vmaj || (highest_maj == vmaj && highest_min < vmin)) + { *errorString = QDeclarativeImportDatabase::tr("module \"%1\" version %2.%3 is not installed").arg(uri_arg).arg(vmaj).arg(vmin); return false; } diff --git a/src/declarative/qml/qdeclarativemetatype.cpp b/src/declarative/qml/qdeclarativemetatype.cpp index c32cab6..153e2be 100644 --- a/src/declarative/qml/qdeclarativemetatype.cpp +++ b/src/declarative/qml/qdeclarativemetatype.cpp @@ -1152,7 +1152,7 @@ bool QDeclarativeMetaType::copy(int type, void *data, const void *copy) *static_cast<float *>(data) = float(0); return true; case QMetaType::Double: - *static_cast<double *>(data) = double(); + *static_cast<double *>(data) = double(0); return true; case QMetaType::QChar: *static_cast<NS(QChar) *>(data) = NS(QChar)(); |