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/*
SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "KWayland/Client/compositor.h"
#include "KWayland/Client/connection_thread.h"
#include "KWayland/Client/datadevice.h"
#include "KWayland/Client/datadevicemanager.h"
#include "KWayland/Client/dataoffer.h"
#include "KWayland/Client/event_queue.h"
#include "KWayland/Client/keyboard.h"
#include "KWayland/Client/pointer.h"
#include "KWayland/Client/registry.h"
#include "KWayland/Client/seat.h"
#include "KWayland/Client/shell.h"
#include "KWayland/Client/shm_pool.h"
#include "KWayland/Client/surface.h"
// Qt
#include <QCoreApplication>
#include <QDebug>
#include <QFile>
#include <QImage>
#include <QMimeType>
#include <QThreadPool>
// system
#include <unistd.h>
using namespace KWayland::Client;
class PasteClient : public QObject
{
Q_OBJECT
public:
explicit PasteClient(QObject *parent = nullptr);
virtual ~PasteClient();
void init();
private:
void setupRegistry(Registry *registry);
void render();
QThread *m_connectionThread;
ConnectionThread *m_connectionThreadObject;
EventQueue *m_eventQueue = nullptr;
Compositor *m_compositor = nullptr;
DataDeviceManager *m_dataDeviceManager = nullptr;
DataDevice *m_dataDevice = nullptr;
Seat *m_seat = nullptr;
Shell *m_shell = nullptr;
ShellSurface *m_shellSurface = nullptr;
ShmPool *m_shm = nullptr;
Surface *m_surface = nullptr;
};
PasteClient::PasteClient(QObject *parent)
: QObject(parent)
, m_connectionThread(new QThread(this))
, m_connectionThreadObject(new ConnectionThread())
{
}
PasteClient::~PasteClient()
{
m_connectionThread->quit();
m_connectionThread->wait();
m_connectionThreadObject->deleteLater();
}
void PasteClient::init()
{
connect(
m_connectionThreadObject,
&ConnectionThread::connected,
this,
[this] {
m_eventQueue = new EventQueue(this);
m_eventQueue->setup(m_connectionThreadObject);
Registry *registry = new Registry(this);
setupRegistry(registry);
},
Qt::QueuedConnection);
m_connectionThreadObject->moveToThread(m_connectionThread);
m_connectionThread->start();
m_connectionThreadObject->initConnection();
}
void PasteClient::setupRegistry(Registry *registry)
{
connect(registry, &Registry::compositorAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_compositor = registry->createCompositor(name, version, this);
});
connect(registry, &Registry::shellAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_shell = registry->createShell(name, version, this);
});
connect(registry, &Registry::shmAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_shm = registry->createShmPool(name, version, this);
});
connect(registry, &Registry::seatAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_seat = registry->createSeat(name, version, this);
});
connect(registry, &Registry::dataDeviceManagerAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_dataDeviceManager = registry->createDataDeviceManager(name, version, this);
});
connect(registry, &Registry::interfacesAnnounced, this, [this] {
Q_ASSERT(m_compositor);
Q_ASSERT(m_dataDeviceManager);
Q_ASSERT(m_seat);
Q_ASSERT(m_shell);
Q_ASSERT(m_shm);
m_surface = m_compositor->createSurface(this);
Q_ASSERT(m_surface);
m_shellSurface = m_shell->createSurface(m_surface, this);
Q_ASSERT(m_shellSurface);
m_shellSurface->setFullscreen();
connect(m_shellSurface, &ShellSurface::sizeChanged, this, &PasteClient::render);
m_dataDevice = m_dataDeviceManager->getDataDevice(m_seat, this);
connect(m_dataDevice, &DataDevice::selectionOffered, this, [this] {
auto dataOffer = m_dataDevice->offeredSelection();
if (!dataOffer) {
return;
}
const auto &mimeTypes = dataOffer->offeredMimeTypes();
auto it = std::find_if(mimeTypes.constBegin(), mimeTypes.constEnd(), [](const QMimeType &type) {
return type.inherits(QStringLiteral("text/plain"));
});
if (it == mimeTypes.constEnd()) {
return;
}
int pipeFds[2];
if (pipe(pipeFds) != 0) {
return;
}
dataOffer->receive((*it).name(), pipeFds[1]);
close(pipeFds[1]);
QThreadPool::globalInstance()->start([pipeFds] {
QFile readPipe;
if (readPipe.open(pipeFds[0], QIODevice::ReadOnly)) {
qDebug() << "Pasted: " << readPipe.readLine();
}
close(pipeFds[0]);
QCoreApplication::quit();
});
});
});
registry->setEventQueue(m_eventQueue);
registry->create(m_connectionThreadObject);
registry->setup();
}
void PasteClient::render()
{
const QSize &size = m_shellSurface->size();
auto buffer = m_shm->getBuffer(size, size.width() * 4).toStrongRef();
buffer->setUsed(true);
QImage image(buffer->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
image.fill(Qt::blue);
m_surface->attachBuffer(*buffer);
m_surface->damage(QRect(QPoint(0, 0), size));
m_surface->commit(Surface::CommitFlag::None);
buffer->setUsed(false);
}
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
PasteClient client;
client.init();
return app.exec();
}
#include "pasteclient.moc"
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