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/****************************************************************************
**
** Copyright (C) 2022 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 RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
#include "compositor/compositor.h"
#include "render_widget_host_view_qt_delegate.h"
#include <QtQuick/QQuickItem>
QT_BEGIN_NAMESPACE
class QQuickWebEngineViewPrivate;
class QWebEngineViewPrivate;
QT_END_NAMESPACE
namespace QtWebEngineCore {
class RenderWidgetHostViewQtDelegateClient;
class WebContentsAdapterClient;
class WebEngineQuickWidget;
class WidgetDelegate
{
public:
virtual ~WidgetDelegate() = default;
virtual void InitAsPopup(const QRect &screenRect) = 0;
virtual void SetInputMethodEnabled(bool) { }
virtual void SetInputMethodHints(Qt::InputMethodHints) { }
virtual void SetClearColor(const QColor &) { }
virtual bool ActiveFocusOnPress() = 0;
virtual void MoveWindow(const QPoint & ) { }
virtual void Bind(WebContentsAdapterClient *) = 0;
virtual void Unbind() = 0;
virtual void Destroy() = 0;
virtual void Resize(int, int) { }
virtual QWindow *Window() { return nullptr; }
};
// Useful information keyboard and mouse QEvent propagation.
// A RenderWidgetHostViewQtDelegateItem instance initialized as a popup will receive
// no keyboard focus (so all keyboard QEvents will be sent to the parent RWHVQD instance),
// but will still receive mouse input (all mouse QEvent moves and clicks will be given to the popup
// RWHVQD instance, and the mouse interaction area covers the surface of the whole parent
// QWebEngineView, and not only the smaller surface that an HTML select popup would occupy).
class Q_WEBENGINECORE_PRIVATE_EXPORT RenderWidgetHostViewQtDelegateItem
: public QQuickItem
, public RenderWidgetHostViewQtDelegate
, public Compositor::Observer
{
Q_OBJECT
public:
RenderWidgetHostViewQtDelegateItem(RenderWidgetHostViewQtDelegateClient *client, bool isPopup);
~RenderWidgetHostViewQtDelegateItem();
void initAsPopup(const QRect&) override;
QRectF viewGeometry() const override;
QRect windowGeometry() const override;
void setKeyboardFocus() override;
bool hasKeyboardFocus() override;
void lockMouse() override;
void unlockMouse() override;
void show() override;
void hide() override;
bool isVisible() const override;
QWindow *Window() const override;
void updateCursor(const QCursor &) override;
void resize(int width, int height) override;
void move(const QPoint &screenPos) override;
void inputMethodStateChanged(bool editorVisible, bool passwordInput) override;
void setInputMethodHints(Qt::InputMethodHints) override;
void setClearColor(const QColor &color) override;
void unhandledWheelEvent(QWheelEvent *ev) override;
void readyToSwap() override;
void setWidgetDelegate(WidgetDelegate *delegate);
protected:
bool event(QEvent *event) override;
void focusInEvent(QFocusEvent *event) override;
void focusOutEvent(QFocusEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
void wheelEvent(QWheelEvent *event) override;
void touchEvent(QTouchEvent *event) override;
void hoverMoveEvent(QHoverEvent *event) override;
void hoverLeaveEvent(QHoverEvent *event) override;
QVariant inputMethodQuery(Qt::InputMethodQuery query) const override;
void inputMethodEvent(QInputMethodEvent *event) override;
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
void adapterClientChanged(WebContentsAdapterClient *client) override;
private Q_SLOTS:
void onBeforeRendering();
void onWindowPosChanged();
void onHide();
private:
friend QWebEngineViewPrivate;
friend QQuickWebEngineViewPrivate;
friend WebEngineQuickWidget;
RenderWidgetHostViewQtDelegateClient *m_client;
bool m_isPopup;
QColor m_clearColor;
Qt::InputMethodHints m_inputMethodHints = {};
QList<QMetaObject::Connection> m_windowConnections;
WebContentsAdapterClient *m_adapterClient = nullptr;
WidgetDelegate *m_widgetDelegate = nullptr;
};
} // namespace QtWebEngineCore
#endif // RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_ITEM_H
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