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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qeventdispatcher_glib_p.h"
#include "qguiapplication.h"
#include "qplatformdefs.h"
#include <glib.h>
#include "private/qguiapplication_p.h"
#include <qdebug.h>
QT_BEGIN_NAMESPACE
struct GUserEventSource
{
GSource source;
QPAEventDispatcherGlib *q;
};
static gboolean userEventSourcePrepare(GSource *s, gint *timeout)
{
Q_UNUSED(s)
Q_UNUSED(timeout)
return QWindowSystemInterface::windowSystemEventsQueued() > 0;
}
static gboolean userEventSourceCheck(GSource *source)
{
return userEventSourcePrepare(source, 0);
}
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);
userEventSource = reinterpret_cast<GUserEventSource *>(g_source_new(&userEventSourceFuncs,
sizeof(GUserEventSource)));
userEventSource->q = q;
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 = 0;
}
bool QPAEventDispatcherGlib::processEvents(QEventLoop::ProcessEventsFlags flags)
{
m_flags = flags;
return QEventDispatcherGlib::processEvents(m_flags);
}
QT_END_NAMESPACE
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