Add desginer plugin to cmake build

Fixes: QTBUG-95668
Pick-to: 6.2
Change-Id: If3613043bfad00871b847c57a3e0961a67cec89b
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

4 files changed, 266 insertions, 0 deletions

diff --git a/src/webenginewidgets/plugins/qwebengineview/CMakeLists.txt b/src/webenginewidgets/plugins/qwebengineview/CMakeLists.txt
new file mode 100644
index 000000000..3e6f324da
--- /dev/null
+++ b/src/webenginewidgets/plugins/qwebengineview/CMakeLists.txt
@@ -0,0 +1,22 @@
+qt_internal_add_plugin(QWebEngineViewPlugin
+    OUTPUT_NAME qwebengineview
+    PLUGIN_TYPE designer
+    SOURCES
+        qwebengineview_plugin.cpp qwebengineview_plugin.h
+    LIBRARIES
+        Qt::Core
+        Qt::Designer
+        Qt::Gui
+        Qt::WebEngineWidgets
+)
+
+set(qwebengineview_plugin_resource_files
+    "images/qwebengineview.png"
+)
+
+qt_internal_add_resource(QWebEngineViewPlugin "qwebengineview_plugin"
+    PREFIX
+        "/qt-project.org/qwebengineview"
+    FILES
+        ${qwebengineview_plugin_resource_files}
+)
diff --git a/src/webenginewidgets/plugins/qwebengineview/images/qwebengineview.png b/src/webenginewidgets/plugins/qwebengineview/images/qwebengineview.png
new file mode 100644
index 000000000..01a0920c9
--- /dev/null
+++ b/src/webenginewidgets/plugins/qwebengineview/images/qwebengineview.png
diff --git a/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.cpp b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.cpp
new file mode 100644
index 000000000..dff041800
--- /dev/null
+++ b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.cpp
@@ -0,0 +1,137 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwebengineview_plugin.h"
+
+#include <QtDesigner/QExtensionFactory>
+#include <QtDesigner/QExtensionManager>
+
+#include <QtCore/qplugin.h>
+#include <QWebEngineView>
+
+QT_BEGIN_NAMESPACE
+
+static const char toolTipC[] =
+    QT_TRANSLATE_NOOP(QWebEngineViewPlugin,
+                      "A widget for displaying a web page, from the Qt WebEngineWidgets module");
+
+QWebEngineViewPlugin::QWebEngineViewPlugin(QObject *parent) :
+    QObject(parent),
+    m_initialized(false)
+{
+}
+
+QString QWebEngineViewPlugin::name() const
+{
+    return QStringLiteral("QWebEngineView");
+}
+
+QString QWebEngineViewPlugin::group() const
+{
+    return QStringLiteral("Display Widgets");
+}
+
+QString QWebEngineViewPlugin::toolTip() const
+{
+    return tr(toolTipC);
+}
+
+QString QWebEngineViewPlugin::whatsThis() const
+{
+    return tr(toolTipC);
+}
+
+QString QWebEngineViewPlugin::includeFile() const
+{
+    return QStringLiteral("<QtWebEngineWidgets/QWebEngineView>");
+}
+
+QIcon QWebEngineViewPlugin::icon() const
+{
+    return QIcon(QStringLiteral(":/qt-project.org/qwebengineview/images/qwebengineview.png"));
+}
+
+bool QWebEngineViewPlugin::isContainer() const
+{
+    return false;
+}
+
+QWidget *QWebEngineViewPlugin::createWidget(QWidget *parent)
+{
+    if (parent)
+        return new QWebEngineView(parent);
+    return new fake::QWebEngineView;
+}
+
+bool QWebEngineViewPlugin::isInitialized() const
+{
+    return m_initialized;
+}
+
+void QWebEngineViewPlugin::initialize(QDesignerFormEditorInterface * /*core*/)
+{
+    if (m_initialized)
+        return;
+
+    m_initialized = true;
+}
+
+QString QWebEngineViewPlugin::domXml() const
+{
+    return QStringLiteral("\
+    <ui language=\"c++\">\
+        <widget class=\"QWebEngineView\" name=\"webEngineView\">\
+            <property name=\"url\">\
+                <url>\
+                    <string>about:blank</string>\
+                </url>\
+            </property>\
+            <property name=\"geometry\">\
+                <rect>\
+                    <x>0</x>\
+                    <y>0</y>\
+                    <width>300</width>\
+                    <height>200</height>\
+                </rect>\
+            </property>\
+        </widget>\
+    </ui>");
+}
+
+QT_END_NAMESPACE
diff --git a/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h
new file mode 100644
index 000000000..8c0960adc
--- /dev/null
+++ b/src/webenginewidgets/plugins/qwebengineview/qwebengineview_plugin.h
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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