qqnxwindowgrabber_p.h

Enable keyboard shortcuts

// Copyright (C) 2016 Research In Motion

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QQnxWindowGrabber_H

#define QQnxWindowGrabber_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.

//

#define EGL_EGLEXT_PROTOTYPES

#define GL_GLEXT_PROTOTYPES

#include <EGL/egl.h>

#include <GLES2/gl2.h>

#include <GLES2/gl2ext.h>

#include <EGL/eglext.h>

#include <QAbstractNativeEventFilter>

#include <QObject>

#include <QSize>

#include <QTimer>

#include <memory>

#include <screen/screen.h>

QT_BEGIN_NAMESPACE

class QRhi;

class QQnxWindowGrabberImage;

class QQnxWindowGrabber : public QObject, public QAbstractNativeEventFilter

    Q_OBJECT

public:

    struct BufferView

        int width = -1;

        int height = -1;

        int stride = -1;

        unsigned char *data = nullptr;

        static constexpr int pixelSize = 4; // BGRX8888;

};

    explicit QQnxWindowGrabber(QObject *parent = 0);

    ~QQnxWindowGrabber();

    void setFrameRate(int frameRate);

    void setWindowId(const QByteArray &windowId);

    void setRhi(QRhi *rhi);

    void start();

    void stop();

    void pause();

    void resume();

    void forceUpdate();

    bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) override;

    bool handleScreenEvent(screen_event_t event);

    QByteArray windowGroupId() const;

    bool isEglImageSupported() const;

    int getNextTextureId();

    BufferView getNextBuffer();

Q_SIGNALS:

    void updateScene(const QSize &size);

private Q_SLOTS:

    void triggerUpdate();

private:

    bool selectBuffer();

    void resetBuffers();

    void checkForEglImageExtension();

    QTimer m_timer;

    QByteArray m_windowId;

    screen_window_t m_windowParent;

    screen_window_t m_window;

    screen_context_t m_screenContext;

    std::unique_ptr<QQnxWindowGrabberImage> m_frontBuffer;

    std::unique_ptr<QQnxWindowGrabberImage> m_backBuffer;

    QSize m_size;

    QRhi *m_rhi;

    bool m_active;

    bool m_eglImageSupported;

    bool m_startPending;

};

QT_END_NAMESPACE

#endif