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// Copyright (C) 2020 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
//
// 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 <QMap>
#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_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
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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