1 files changed, 71 insertions, 0 deletions
diff --git a/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h
new file mode 100644
index 000000000..a7150151d
--- /dev/null
+++ b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h
@@ -0,0 +1,71 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QWEBENGINEVIEW_PLUGIN_H
+#define QWEBENGINEVIEW_PLUGIN_H
+
+#include <QtUiPlugin/QDesignerCustomWidgetInterface>
+#include <QtWidgets/QWidget>
+#include <QtGui/QIcon>
+#include <QtCore/QUrl>
+
+QT_BEGIN_NAMESPACE
+
+namespace fake {
+// A lightweight "fake" QWebEngineView class that is returned when Qt Designer
+// queries the default property values by calling
+// QDesignerCustomWidgetInterface::createWidget() with 0 parent, preventing
+// crashes during QWebEngine initialization (QTBUG-53984).
+// The property list needs to be kept in sync with QWebEngineView.
+class QWebEngineView : public QWidget {
+    Q_OBJECT
+    Q_PROPERTY(QString title READ title)
+    Q_PROPERTY(QUrl url READ url WRITE setUrl) // Designable
+    Q_PROPERTY(QUrl iconUrl READ iconUrl)
+    Q_PROPERTY(QIcon icon READ icon)
+    Q_PROPERTY(QString selectedText READ selectedText)
+    Q_PROPERTY(bool hasSelection READ hasSelection)
+    Q_PROPERTY(qreal zoomFactor READ zoomFactor WRITE setZoomFactor) // Designable
+
+public:
+    explicit QWebEngineView(QWidget *parent = nullptr) : QWidget(parent) {}
+
+    QString title() const { return QString(); }
+    QUrl url() const { return QUrl(); }
+    void setUrl(const QUrl &) {}
+    QUrl iconUrl() const { return QUrl(); }
+    QIcon icon() const { return QIcon(); }
+    QString selectedText() { return QString(); }
+    bool hasSelection() { return false; }
+    qreal zoomFactor() const { return 1; }
+    void setZoomFactor(qreal) {}
+};
+} // namespace fake
+
+class QWebEngineViewPlugin: public QObject, public QDesignerCustomWidgetInterface
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QDesignerCustomWidgetInterface")
+    Q_INTERFACES(QDesignerCustomWidgetInterface)
+public:
+    explicit QWebEngineViewPlugin(QObject *parent = nullptr);
+
+    QString name() const override;
+    QString group() const override;
+    QString toolTip() const override;
+    QString whatsThis() const override;
+    QString includeFile() const override;
+    QIcon icon() const override;
+    bool isContainer() const override;
+    QWidget *createWidget(QWidget *parent) override;
+    bool isInitialized() const override;
+    void initialize(QDesignerFormEditorInterface *core) override;
+    QString domXml() const override;
+
+private:
+    bool m_initialized;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWEBENGINEVIEW_PLUGIN_H