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-rw-r--r--src/gui/kernel/qeventdispatcher_glib_qpa.cpp146
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diff --git a/src/gui/kernel/qeventdispatcher_glib_qpa.cpp b/src/gui/kernel/qeventdispatcher_glib_qpa.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeventdispatcher_glib_qpa_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 QWindowSystemInterfacePrivate::windowSystemEventsQueued() > 0;
+}
+
+static gboolean userEventSourceCheck(GSource *source)
+{
+ return userEventSourcePrepare(source, 0);
+}
+
+static gboolean userEventSourceDispatch(GSource *s, GSourceFunc, gpointer)
+{
+ GUserEventSource * source = reinterpret_cast<GUserEventSource *>(s);
+
+ QWindowSystemInterfacePrivate::WindowSystemEvent * event;
+ while (QWindowSystemInterfacePrivate::windowSystemEventsQueued()) {
+ event = QWindowSystemInterfacePrivate::getWindowSystemEvent();
+ if (!event)
+ break;
+
+ // send through event filter
+ if (source->q->filterEvent(event)) {
+ delete event;
+ continue;
+ }
+ QGuiApplicationPrivate::processWindowSystemEvent(event);
+ delete event;
+ }
+
+ return true;
+}
+
+
+static GSourceFuncs userEventSourceFuncs = {
+ userEventSourcePrepare,
+ userEventSourceCheck,
+ userEventSourceDispatch,
+ NULL,
+ NULL,
+ NULL
+};
+
+QPAEventDispatcherGlibPrivate::QPAEventDispatcherGlibPrivate(GMainContext *context)
+ : QEventDispatcherGlibPrivate(context)
+{
+ userEventSource = reinterpret_cast<GUserEventSource *>(g_source_new(&userEventSourceFuncs,
+ sizeof(GUserEventSource)));
+ userEventSource->q = 0;
+ g_source_set_can_recurse(&userEventSource->source, true);
+ g_source_attach(&userEventSource->source, mainContext);
+}
+
+
+QPAEventDispatcherGlib::QPAEventDispatcherGlib(QObject *parent)
+ : QEventDispatcherGlib(*new QPAEventDispatcherGlibPrivate, parent)
+{
+ 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)
+{
+ static bool init = false;
+ if (!init) {
+ if (QGuiApplicationPrivate::platformIntegration()->createEventLoopIntegration()) {
+ qWarning("Eventloop integration is not supported by the glib event dispatcher");
+ qWarning("Use the UNIX event dispatcher by defining environment variable QT_NO_GLIB=1");
+ }
+ init = true;
+ }
+ return QEventDispatcherGlib::processEvents(flags);
+}
+
+QT_END_NAMESPACE