window_multithreaded.h

Enable keyboard shortcuts

// Copyright (C) 2017 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#ifndef WINDOW_MULTITHREADED_H

#define WINDOW_MULTITHREADED_H

#include <QWindow>

#include <QMatrix4x4>

#include <QThread>

#include <QWaitCondition>

#include <QMutex>

QT_FORWARD_DECLARE_CLASS(QOpenGLContext)

QT_FORWARD_DECLARE_CLASS(QOffscreenSurface)

QT_FORWARD_DECLARE_CLASS(QQuickRenderControl)

QT_FORWARD_DECLARE_CLASS(QQuickWindow)

QT_FORWARD_DECLARE_CLASS(QQmlEngine)

QT_FORWARD_DECLARE_CLASS(QQmlComponent)

QT_FORWARD_DECLARE_CLASS(QQuickItem)

QT_FORWARD_DECLARE_CLASS(QRhi)

class CubeRenderer;

class QuickRenderer : public QObject

    Q_OBJECT

public:

    QuickRenderer();

    void requestInit();

    void requestRender();

    void requestResize();

    void requestCleanup();

    void requestStop();

    QWaitCondition *cond() { return &m_cond; }

    QMutex *mutex() { return &m_mutex; }

    void setContext(QOpenGLContext *ctx) { m_context = ctx; }

    void setSurface(QOffscreenSurface *s) { m_surface = s; }

    void setWindow(QWindow *w) { m_window = w; }

    void setQuickWindow(QQuickWindow *w) { m_quickWindow = w; }

    void setRenderControl(QQuickRenderControl *r) { m_renderControl = r; }

    void aboutToQuit();

private:

    bool event(QEvent *e) override;

    void init();

    void cleanup();

    void cleanupRhi();

    void ensureTexture();

    void render(QMutexLocker<QMutex> *lock);

    QWaitCondition m_cond;

    QMutex m_mutex;

    QOpenGLContext *m_context;

    QOffscreenSurface *m_surface;

    QWindow *m_window;

    QQuickWindow *m_quickWindow;

    QQuickRenderControl *m_renderControl;

    QRhi *m_rhi;

    uint m_textureId;

    QSize m_textureSize;

    CubeRenderer *m_cubeRenderer;

    QMutex m_quitMutex;

    bool m_quit;

};

class WindowMultiThreaded : public QWindow

    Q_OBJECT

public:

    WindowMultiThreaded();

    ~WindowMultiThreaded();

protected:

    void exposeEvent(QExposeEvent *e) override;

    void resizeEvent(QResizeEvent *e) override;

    void mousePressEvent(QMouseEvent *e) override;

    void mouseReleaseEvent(QMouseEvent *e) override;

    bool event(QEvent *e) override;

private slots:

    void run();

    void requestUpdate();

    void polishSyncAndRender();

private:

    void startQuick(const QString &filename);

    void updateSizes();

    QuickRenderer *m_quickRenderer;

    QThread *m_quickRendererThread;

    QOpenGLContext *m_context;

    QOffscreenSurface *m_offscreenSurface;

    QQuickRenderControl *m_renderControl;

    QQuickWindow *m_quickWindow;

    QQmlEngine *m_qmlEngine;

    QQmlComponent *m_qmlComponent;

    QQuickItem *m_rootItem;

    bool m_quickInitialized;

    bool m_psrRequested;

};

#endif