kwin/tests/shadowtest.cpp

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/*
SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "KWayland/Client/shadow.h"
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#include "KWayland/Client/compositor.h"
#include "KWayland/Client/connection_thread.h"
#include "KWayland/Client/event_queue.h"
#include "KWayland/Client/registry.h"
#include "KWayland/Client/shell.h"
#include "KWayland/Client/shm_pool.h"
#include "KWayland/Client/surface.h"
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// Qt
#include <QGuiApplication>
#include <QImage>
#include <QThread>
using namespace KWayland::Client;
class ShadowTest : public QObject
{
Q_OBJECT
public:
explicit ShadowTest(QObject *parent = nullptr);
virtual ~ShadowTest();
void init();
private:
void setupRegistry(Registry *registry);
void setupShadow();
void render();
QThread *m_connectionThread;
ConnectionThread *m_connectionThreadObject;
EventQueue *m_eventQueue = nullptr;
Compositor *m_compositor = nullptr;
Shell *m_shell = nullptr;
ShellSurface *m_shellSurface = nullptr;
ShmPool *m_shm = nullptr;
Surface *m_surface = nullptr;
ShadowManager *m_shadowManager = nullptr;
};
ShadowTest::ShadowTest(QObject *parent)
: QObject(parent)
, m_connectionThread(new QThread(this))
, m_connectionThreadObject(new ConnectionThread())
{
}
ShadowTest::~ShadowTest()
{
m_connectionThread->quit();
m_connectionThread->wait();
m_connectionThreadObject->deleteLater();
}
void ShadowTest::init()
{
connect(
m_connectionThreadObject,
&ConnectionThread::connected,
this,
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[this] {
m_eventQueue = new EventQueue(this);
m_eventQueue->setup(m_connectionThreadObject);
Registry *registry = new Registry(this);
setupRegistry(registry);
},
Qt::QueuedConnection);
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m_connectionThreadObject->moveToThread(m_connectionThread);
m_connectionThread->start();
m_connectionThreadObject->initConnection();
}
void ShadowTest::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::shadowAnnounced, this, [this, registry](quint32 name, quint32 version) {
m_shadowManager = registry->createShadowManager(name, version, this);
m_shadowManager->setEventQueue(m_eventQueue);
});
connect(registry, &Registry::interfacesAnnounced, this, [this] {
Q_ASSERT(m_compositor);
Q_ASSERT(m_shell);
Q_ASSERT(m_shm);
m_surface = m_compositor->createSurface(this);
Q_ASSERT(m_surface);
setupShadow();
m_shellSurface = m_shell->createSurface(m_surface, this);
Q_ASSERT(m_shellSurface);
m_shellSurface->setToplevel();
connect(m_shellSurface, &ShellSurface::sizeChanged, this, &ShadowTest::render);
render();
});
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registry->setEventQueue(m_eventQueue);
registry->create(m_connectionThreadObject);
registry->setup();
}
void ShadowTest::setupShadow()
{
Q_ASSERT(m_shadowManager);
Shadow *shadow = m_shadowManager->createShadow(m_surface, this);
Q_ASSERT(shadow);
auto addElement = [this](const QColor color) {
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const QSize size = QSize(10, 10);
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(color);
return buffer;
};
shadow->attachTopLeft(addElement(Qt::red));
shadow->attachTop(addElement(Qt::darkRed));
shadow->attachTopRight(addElement(Qt::green));
shadow->attachRight(addElement(Qt::darkGreen));
shadow->attachBottomRight(addElement(Qt::darkBlue));
shadow->attachBottom(addElement(Qt::cyan));
shadow->attachBottomLeft(addElement(Qt::darkCyan));
shadow->attachLeft(addElement(Qt::magenta));
shadow->setOffsets(QMarginsF(5, 5, 5, 5));
shadow->commit();
}
void ShadowTest::render()
{
const QSize &size = m_shellSurface->size().isValid() ? m_shellSurface->size() : QSize(300, 200);
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(QColor(255, 255, 255, 128));
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);
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ShadowTest client;
client.init();
return app.exec();
}
#include "shadowtest.moc"