qwaylandscreen_p.h

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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

// Qt-Security score:significant reason:default

#ifndef QWAYLANDSCREEN_H

#define QWAYLANDSCREEN_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 <qpa/qplatformscreen.h>

#include <QtGui/qscreen_platform.h>

#include <QtWaylandClient/qtwaylandclientglobal.h>

#include <QtWaylandClient/private/qwayland-wayland.h>

#include <QtWaylandClient/private/qwayland-xdg-output-unstable-v1.h>

#include <QtCore/private/qglobal_p.h>

QT_BEGIN_NAMESPACE

namespace QtWaylandClient {

class QWaylandDisplay;

class QWaylandCursor;

class Q_WAYLANDCLIENT_EXPORT QWaylandXdgOutputManagerV1 : public QtWayland::zxdg_output_manager_v1 {

public:

    QWaylandXdgOutputManagerV1(QWaylandDisplay *display, uint id, uint version);

    ~QWaylandXdgOutputManagerV1();

private:

    Q_DISABLE_COPY(QWaylandXdgOutputManagerV1)

};

class Q_WAYLANDCLIENT_EXPORT QWaylandScreen : public QPlatformScreen,

                                              QtWayland::wl_output,

                                              QtWayland::zxdg_output_v1,

                                              public QNativeInterface::QWaylandScreen

public:

    QWaylandScreen(QWaylandDisplay *waylandDisplay, int version, uint32_t id);

    ~QWaylandScreen() override;

    void maybeInitialize();

    void initXdgOutput(QWaylandXdgOutputManagerV1 *xdgOutputManager);

    QWaylandDisplay *display() const;

    QString manufacturer() const override;

    QString model() const override;

    QRect geometry() const override;

    int depth() const override;

    QImage::Format format() const override;

    QSizeF physicalSize() const override;

    QDpi logicalDpi() const override;

    QList<QPlatformScreen *> virtualSiblings() const override;

    Qt::ScreenOrientation orientation() const override;

    int scale() const;

    qreal devicePixelRatio() const override;

    qreal refreshRate() const override;

    QString name() const override { return mOutputName; }

#if QT_CONFIG(cursor)

    QPlatformCursor *cursor() const override;

#endif

    SubpixelAntialiasingType subpixelAntialiasingTypeHint() const override;

    uint32_t outputId() const { return m_outputId; }

    ::wl_output *output() const override

        return const_cast<::wl_output *>(QtWayland::wl_output::object());

    static QWaylandScreen *waylandScreenFromWindow(QWindow *window);

    static QWaylandScreen *fromWlOutput(::wl_output *output);

    Qt::ScreenOrientation toScreenOrientation(int wlTransform,

                                              Qt::ScreenOrientation fallback) const;

protected:

    enum Event : uint {

        XdgOutputDoneEvent = 0x1,

        OutputDoneEvent = 0x2,

        XdgOutputNameEvent = 0x4,

        OutputNameEvent = 0x8,

};

    uint requiredEvents() const;

    void output_mode(uint32_t flags, int width, int height, int refresh) override;

    void output_geometry(int32_t x, int32_t y,

                         int32_t width, int32_t height,

                         int subpixel,

                         const QString &make,

                         const QString &model,

                         int32_t transform) override;

    void output_scale(int32_t factor) override;

    void output_done() override;

    void output_name(const QString &name) override;

    void updateOutputProperties();

    // XdgOutput

    void zxdg_output_v1_logical_position(int32_t x, int32_t y) override;

    void zxdg_output_v1_logical_size(int32_t width, int32_t height) override;

    void zxdg_output_v1_done() override;

    void zxdg_output_v1_name(const QString &name) override;

    void updateXdgOutputProperties();

    int m_outputId;

    QWaylandDisplay *mWaylandDisplay = nullptr;

    QString mManufacturer;

    QString mModel;

    QRect mGeometry;

    QRect mXdgGeometry;

    int mScale = 1;

    int mDepth = 32;

    int mRefreshRate = 60000;

    int mSubpixel = -1;

    int mTransform = -1;

    QImage::Format mFormat = QImage::Format_ARGB32_Premultiplied;

    QSize mPhysicalSize;

    QString mOutputName;

    Qt::ScreenOrientation m_orientation = Qt::PrimaryOrientation;

    uint mProcessedEvents = 0;

    bool mInitialized = false;

private:

    Q_DISABLE_COPY(QWaylandScreen)

};

QT_END_NAMESPACE

#endif // QWAYLANDSCREEN_H