desktopinputselectioncontrol_p.h

Enable keyboard shortcuts

// Copyright (C) 2021 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef DESKTOPINPUTSELECTIONCONTROL_P_H

#define DESKTOPINPUTSELECTIONCONTROL_P_H

//

//  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.

//

#include <QtCore/qpointer.h>

#include <QtCore/qobject.h>

#include <QtGui/qimage.h>

#include <QtVirtualKeyboard/qvirtualkeyboard_global.h>

#include <QtCore/private/qglobal_p.h>

QT_BEGIN_NAMESPACE

class QMouseEvent;

class QVirtualKeyboardInputContext;

namespace QtVirtualKeyboard {

class InputSelectionHandle;

class Q_VIRTUALKEYBOARD_EXPORT DesktopInputSelectionControl : public QObject

    Q_OBJECT

public:

    DesktopInputSelectionControl(QObject *parent, QVirtualKeyboardInputContext *inputContext);

    ~DesktopInputSelectionControl() {}

    void createHandles();

    void destroyHandles();

    void setEnabled(bool enable);

    QImage *handleImage();

public Q_SLOTS:

    void updateAnchorHandlePosition();

    void updateCursorHandlePosition();

    void updateVisibility();

    void reloadGraphics();

protected:

    bool eventFilter(QObject *object, QEvent *event) override;

private:

    QRect anchorHandleRect() const;

    QRect cursorHandleRect() const;

    QRect handleRectForCursorRect(const QRectF &cursorRect) const;

private:

    QVirtualKeyboardInputContext *m_inputContext;

    QSharedPointer<InputSelectionHandle> m_anchorSelectionHandle;

    QSharedPointer<InputSelectionHandle> m_cursorSelectionHandle;

    QImage m_handleImage;

    enum {

        HandleIsReleased = 0,

        HandleIsHeld = 1,

        HandleIsMoving = 2

};

    enum HandleType {

        AnchorHandle = 0,

        CursorHandle = 1

};

    unsigned m_handleState : 2;

    unsigned m_currentDragHandle : 1;

    unsigned m_enabled : 1;

    unsigned m_anchorHandleVisible : 1;

    unsigned m_cursorHandleVisible : 1;

    unsigned m_eventFilterEnabled : 1;

    QPoint m_otherSelectionPoint;

    QList<QMouseEvent*> m_eventQueue;

    QPoint m_distanceBetweenMouseAndCursor;

    QPoint m_handleDragStartedPosition;

    QSize m_handleWindowSize;

};

} // namespace QtVirtualKeyboard

QT_END_NAMESPACE

#endif // DESKTOPINPUTSELECTIONCONTROL_P_H