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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "waylandqtamclientextension_p.h"
#include <QWindow>
#include <QGuiApplication>
#include <QEvent>
#include <QExposeEvent>
#include <qpa/qplatformnativeinterface.h>
#include <QtAppManCommon/logging.h>
QT_BEGIN_NAMESPACE_AM
WaylandQtAMClientExtension::WaylandQtAMClientExtension()
: QWaylandClientExtensionTemplate(1)
{
qApp->installEventFilter(this);
}
WaylandQtAMClientExtension::~WaylandQtAMClientExtension()
{
qApp->removeEventFilter(this);
}
bool WaylandQtAMClientExtension::eventFilter(QObject *o, QEvent *e)
{
if (e->type() == QEvent::Expose) {
if (!isActive()) {
qCWarning(LogWayland) << "WaylandQtAMClientExtension is not active";
} else {
QWindow *window = qobject_cast<QWindow *>(o);
Q_ASSERT(window);
// we're only interested in the first expose to setup our mapping
if (!m_windowToSurface.contains(window)) {
auto surface = static_cast<struct ::wl_surface *>
(QGuiApplication::platformNativeInterface()->nativeResourceForWindow("surface", window));
if (surface) {
m_windowToSurface.insert(window, surface);
const QVariantMap wp = windowProperties(window);
for (auto it = wp.cbegin(); it != wp.cend(); ++it)
sendPropertyToServer(surface, it.key(), it.value());
}
// pointers can be reused, so we have to remove the old mappings
connect(window, &QObject::destroyed, this, [this, window]() {
m_windowToSurface.remove(window);
m_windowProperties.remove(window);
});
}
}
} else if (e->type() == QEvent::Hide) {
m_windowToSurface.remove(qobject_cast<QWindow *>(o));
}
return QWaylandClientExtensionTemplate<WaylandQtAMClientExtension>::eventFilter(o, e);
}
QVariantMap WaylandQtAMClientExtension::windowProperties(QWindow *window) const
{
return m_windowProperties.value(window);
}
void WaylandQtAMClientExtension::sendPropertyToServer(struct ::wl_surface *surface, const QString &name,
const QVariant &value)
{
if (int(qtam_extension::version()) != QWaylandClientExtension::version()) {
qCWarning(LogWayland) << "Unsupported qtam_extension version:" << qtam_extension::version();
return;
}
QByteArray data;
QDataStream ds(&data, QDataStream::WriteOnly);
ds << value;
qCDebug(LogWayland) << "window property: client send:" << surface << name << value;
set_window_property(surface, name, data);
}
bool WaylandQtAMClientExtension::setWindowProperty(QWindow *window, const QString &name, const QVariant &value)
{
if (setWindowPropertyHelper(window, name, value) && m_windowToSurface.contains(window)) {
auto surface = static_cast<struct ::wl_surface *>
(QGuiApplication::platformNativeInterface()->nativeResourceForWindow("surface", window));
if (surface) {
sendPropertyToServer(surface, name, value);
return true;
}
}
return false;
}
bool WaylandQtAMClientExtension::setWindowPropertyHelper(QWindow *window, const QString &name, const QVariant &value)
{
auto it = m_windowProperties.find(window);
if ((it == m_windowProperties.end()) || (it.value().value(name) != value)) {
if (it == m_windowProperties.end())
m_windowProperties[window].insert(name, value);
else
it.value().insert(name, value);
emit windowPropertyChanged(window, name, value);
return true;
}
return false;
}
void WaylandQtAMClientExtension::clearWindowPropertyCache(QWindow *window)
{
m_windowProperties.remove(window);
}
void WaylandQtAMClientExtension::qtam_extension_window_property_changed(wl_surface *surface, const QString &name,
wl_array *value)
{
if (int(qtam_extension::version()) != QWaylandClientExtension::version()) {
qCWarning(LogWayland) << "Unsupported qtam_extension version:" << qtam_extension::version();
return;
}
if (QWindow *window = m_windowToSurface.key(surface)) {
const auto data = QByteArray::fromRawData(static_cast<const char *>(value->data), qsizetype(value->size));
QDataStream ds(data);
QVariant variantValue;
ds >> variantValue;
qCDebug(LogWayland) << "window property: client receive" << window << name << variantValue;
setWindowPropertyHelper(window, name, variantValue);
}
}
QT_END_NAMESPACE_AM
#include "moc_waylandqtamclientextension_p.cpp"
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