sharebufferextension.cpp

Enable keyboard shortcuts

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

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

#include "sharebufferextension.h"

#include <QWaylandSurface>

#include <QDebug>

#include <QQuickWindow>

#include <QPainter>

#include <QPen>

ShareBufferExtension::ShareBufferExtension(QWaylandCompositor *compositor)

    : QWaylandCompositorExtensionTemplate(compositor)

void ShareBufferExtension::initialize()

    QWaylandCompositorExtensionTemplate::initialize();

    QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());

    init(compositor->display(), 1);

QtWayland::ServerBuffer *ShareBufferExtension::addImage(const QImage &img)

    if (!m_server_buffer_integration) {

        QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());

        m_server_buffer_integration = QWaylandCompositorPrivate::get(compositor)->serverBufferIntegration();

        if (!m_server_buffer_integration) {

            qWarning("Could not find a server buffer integration");

            return nullptr;

    QImage image = img.convertToFormat(QImage::Format_RGBA8888);

    auto *buffer = m_server_buffer_integration->createServerBufferFromImage(image, QtWayland::ServerBuffer::RGBA32);

    m_server_buffers.append(buffer);

    return buffer;

void ShareBufferExtension::createServerBuffers()

    QImage image(100,100,QImage::Format_ARGB32_Premultiplied);

    image.fill(QColor(0x55,0x0,0x55,0x01));

        QPainter p(&image);

        QPen pen = p.pen();

        pen.setWidthF(3);

        pen.setColor(Qt::red);

        p.setPen(pen);

        p.drawLine(0,0,100,100);

        pen.setColor(Qt::green);

        p.setPen(pen);

        p.drawLine(100,0,0,100);

        pen.setColor(Qt::blue);

        p.setPen(pen);

        p.drawLine(25,15,75,15);

    addImage(image);

    QImage image2(":/images/Siberischer_tiger_de_edit02.jpg");

    addImage(image2);

    m_server_buffers_created = true;

void ShareBufferExtension::share_buffer_bind_resource(Resource *resource)

    if (!m_server_buffers_created)

        createServerBuffers();

    for (auto *buffer : std::as_const(m_server_buffers)) {

        qDebug() << "sending" << buffer << "to client";

        struct ::wl_client *client = wl_resource_get_client(resource->handle);

        struct ::wl_resource *buffer_resource = buffer->resourceForClient(client);

        send_cross_buffer(resource->handle, buffer_resource);