diff options
Diffstat (limited to 'src/quickwidgets/qquickwidget.cpp')
| -rw-r--r-- | src/quickwidgets/qquickwidget.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/quickwidgets/qquickwidget.cpp b/src/quickwidgets/qquickwidget.cpp index 38dde806ed..5dd439fdd0 100644 --- a/src/quickwidgets/qquickwidget.cpp +++ b/src/quickwidgets/qquickwidget.cpp @@ -531,6 +531,9 @@ QQuickWidget::Status QQuickWidget::status() const if (!d->component) return QQuickWidget::Null; + if (d->component->status() == QQmlComponent::Ready && !d->root) + return QQuickWidget::Error; + return QQuickWidget::Status(d->component->status()); } @@ -552,6 +555,10 @@ QList<QQmlError> QQuickWidget::errors() const QQmlError error; error.setDescription(QLatin1String("QQuickWidget: invalid qml engine.")); errs << error; + } else if (d->component->status() == QQmlComponent::Ready && !d->root) { + QQmlError error; + error.setDescription(QLatin1String("QQuickWidget: invalid root object.")); + errs << error; } return errs; @@ -861,14 +868,15 @@ void QQuickWidgetPrivate::setRootObject(QObject *obj) if (QQuickItem *sgItem = qobject_cast<QQuickItem *>(obj)) { root = sgItem; sgItem->setParentItem(offscreenWindow->contentItem()); + } else if (qobject_cast<QWindow *>(obj)) { + qWarning() << "QQuickWidget does not support using windows as a root item." << endl + << endl + << "If you wish to create your root window from QML, consider using QQmlApplicationEngine instead." << endl; } else { qWarning() << "QQuickWidget only supports loading of root objects that derive from QQuickItem." << endl << endl - << "If your example is using QML 2, (such as qmlscene) and the .qml file you" << endl - << "loaded has 'import QtQuick 1.0' or 'import Qt 4.7', this error will occur." << endl - << endl - << "To load files with 'import QtQuick 1.0' or 'import Qt 4.7', use the" << endl - << "QDeclarativeView class in the Qt Quick 1 module." << endl; + << "Ensure your QML code is written for QtQuick 2, and uses a root that is or" << endl + << "inherits from QtQuick's Item (not a Timer, QtObject, etc)." << endl; delete obj; root = 0; } |