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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qeventdispatcher_glib_p.h"
#include "qguiapplication.h"
#include "qplatformdefs.h"
#include <glib.h>
#include "private/qguiapplication_p.h"
QT_BEGIN_NAMESPACE
struct GUserEventSource
{
GSource source;
QPAEventDispatcherGlib *q;
QPAEventDispatcherGlibPrivate *d;
};
static gboolean userEventSourcePrepare(GSource *source, gint *timeout)
{
Q_UNUSED(timeout);
GUserEventSource *userEventSource = reinterpret_cast<GUserEventSource *>(source);
return userEventSource->d->wakeUpCalled;
}
static gboolean userEventSourceCheck(GSource *source)
{
return userEventSourcePrepare(source, nullptr);
}
static gboolean userEventSourceDispatch(GSource *source, GSourceFunc, gpointer)
{
GUserEventSource *userEventSource = reinterpret_cast<GUserEventSource *>(source);
QPAEventDispatcherGlib *dispatcher = userEventSource->q;
QWindowSystemInterface::sendWindowSystemEvents(dispatcher->m_flags);
return true;
}
static GSourceFuncs userEventSourceFuncs = {
userEventSourcePrepare,
userEventSourceCheck,
userEventSourceDispatch,
NULL,
NULL,
NULL
};
QPAEventDispatcherGlibPrivate::QPAEventDispatcherGlibPrivate(GMainContext *context)
: QEventDispatcherGlibPrivate(context)
{
Q_Q(QPAEventDispatcherGlib);
GSource *source = g_source_new(&userEventSourceFuncs, sizeof(GUserEventSource));
g_source_set_name(source, "[Qt] GUserEventSource");
userEventSource = reinterpret_cast<GUserEventSource *>(source);
userEventSource->q = q;
userEventSource->d = this;
g_source_set_can_recurse(&userEventSource->source, true);
g_source_attach(&userEventSource->source, mainContext);
}
QPAEventDispatcherGlib::QPAEventDispatcherGlib(QObject *parent)
: QEventDispatcherGlib(*new QPAEventDispatcherGlibPrivate, parent)
, m_flags(QEventLoop::AllEvents)
{
Q_D(QPAEventDispatcherGlib);
d->userEventSource->q = this;
}
QPAEventDispatcherGlib::~QPAEventDispatcherGlib()
{
Q_D(QPAEventDispatcherGlib);
g_source_destroy(&d->userEventSource->source);
g_source_unref(&d->userEventSource->source);
d->userEventSource = nullptr;
}
bool QPAEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags)
{
m_flags = flags;
return QEventDispatcherGlib::processEvents(m_flags);
}
QT_END_NAMESPACE
#include "moc_qeventdispatcher_glib_p.cpp"
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