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/****************************************************************************
**
** Copyright (C) 2020 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H
#define RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H
#include "compositor/compositor.h"
#include <QtGui/QCursor>
#include <QtGui/QTouchEvent>
QT_BEGIN_NAMESPACE
class QEvent;
class QVariant;
class QMouseEvent;
class QKeyEvent;
class QTabletEvent;
class QNativeGestureEvent;
class QHoverEvent;
class QFocusEvent;
class QInputMethodEvent;
class QInputMethodQueryEvent;
QT_END_NAMESPACE
namespace QtWebEngineCore {
class RenderWidgetHostViewQt;
struct MultipleMouseClickHelper
{
QPoint lastPressPosition;
Qt::MouseButton lastPressButton = Qt::NoButton;
int clickCounter = 0;
ulong lastPressTimestamp = 0;
};
class Q_WEBENGINECORE_PRIVATE_EXPORT RenderWidgetHostViewQtDelegateClient
{
public:
RenderWidgetHostViewQtDelegateClient(RenderWidgetHostViewQt *rwhv);
Compositor::Id compositorId();
void notifyShown();
void notifyHidden();
void visualPropertiesChanged();
bool forwardEvent(QEvent *);
QVariant inputMethodQuery(Qt::InputMethodQuery query);
void closePopup();
private:
friend class RenderWidgetHostViewQt;
template<class T>
void handlePointerEvent(T *);
void handleMouseEvent(QMouseEvent *);
void handleKeyEvent(QKeyEvent *);
void handleTouchEvent(QTouchEvent *);
#if QT_CONFIG(tabletevent)
void handleTabletEvent(QTabletEvent *);
#endif
#if QT_CONFIG(gestures)
void handleGestureEvent(QNativeGestureEvent *);
#endif
void handleHoverEvent(QHoverEvent *);
void handleFocusEvent(QFocusEvent *);
void handleInputMethodEvent(QInputMethodEvent *);
void handleInputMethodQueryEvent(QInputMethodQueryEvent *);
QRect viewRectInDips() const { return m_viewRectInDips; }
QRect windowRectInDips() const { return m_windowRectInDips; }
// Mouse
void resetPreviousMousePosition() { m_previousMousePosition = QCursor::pos(); }
// Touch
void clearPreviousTouchMotionState();
// IME
void selectionChanged();
void setCursorPosition(uint pos) { m_cursorPosition = pos; }
void setSurroundingText(const QString &text) { m_surroundingText = text; }
bool isPreviousSelectionEmpty() const { return m_emptyPreviousSelection; }
RenderWidgetHostViewQt *m_rwhv;
// Mouse
bool m_imeHasHiddenTextCapability;
uint m_mouseButtonPressed = 0;
QPoint m_previousMousePosition;
MultipleMouseClickHelper m_clickHelper;
// Key
std::string m_editCommand;
// Touch
typedef QPair<int, QTouchEvent::TouchPoint> TouchPoint;
QList<TouchPoint> mapTouchPointIds(const QList<QTouchEvent::TouchPoint> &input);
QMap<int, int> m_touchIdMapping;
QList<TouchPoint> m_previousTouchPoints;
bool m_touchMotionStarted = false;
bool m_sendMotionActionDown = false;
int64_t m_eventsToNowDelta = 0; // delta for first touch in microseconds
// IME
bool m_receivedEmptyImeEvent = false;
bool m_imeInProgress = false;
bool m_emptyPreviousSelection = true;
uint m_cursorPosition = 0;
int m_anchorPositionWithinSelection = -1;
int m_cursorPositionWithinSelection = -1;
QString m_surroundingText;
// Geometry of the view in screen DIPs.
QRect m_viewRectInDips;
// Geometry of the window, including frame, in screen DIPs.
QRect m_windowRectInDips;
};
} // namespace QtWebEngineCore
#endif // RENDER_WIDGET_HOST_VIEW_QT_DELEGATE_CLIENT_H
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