/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui 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 "qplatformdefs.h"#include "qapplication.h"#include "private/qwscommand_qws_p.h"#include "qwsdisplay_qws.h"#include "qwsevent_qws.h"#include "qwindowsystem_qws.h"#include "qeventdispatcher_qws_p.h"#include "private/qeventdispatcher_unix_p.h"#ifndef QT_NO_THREAD# include "qmutex.h"#endif#include <errno.h>QT_BEGIN_NAMESPACEQT_USE_NAMESPACEclass QEventDispatcherQWSPrivate : public QEventDispatcherUNIXPrivate{ Q_DECLARE_PUBLIC(QEventDispatcherQWS)public: inline QEventDispatcherQWSPrivate() { } QList<QWSEvent*> queuedUserInputEvents;};QEventDispatcherQWS::QEventDispatcherQWS(QObject *parent) : QEventDispatcherUNIX(*new QEventDispatcherQWSPrivate, parent){ }QEventDispatcherQWS::~QEventDispatcherQWS(){ }// from qapplication_qws.cppextern QWSDisplay* qt_fbdpy; // QWS `display'//#define ZERO_FOR_THE_MOMENTbool QEventDispatcherQWS::processEvents(QEventLoop::ProcessEventsFlags flags){ Q_D(QEventDispatcherQWS); // process events from the QWS server int nevents = 0; // handle gui and posted events d->interrupt = false; QApplication::sendPostedEvents(); while (!d->interrupt) { // also flushes output buffer ###can be optimized QWSEvent *event; if (!(flags & QEventLoop::ExcludeUserInputEvents) && !d->queuedUserInputEvents.isEmpty()) { // process a pending user input event event = d->queuedUserInputEvents.takeFirst(); } else if (qt_fbdpy->eventPending()) { event = qt_fbdpy->getEvent(); // get next event if (flags & QEventLoop::ExcludeUserInputEvents) { // queue user input events if (event->type == QWSEvent::Mouse || event->type == QWSEvent::Key) { d->queuedUserInputEvents.append(event); continue; } } } else { break; } if (filterEvent(event)) { delete event; continue; } nevents++; bool ret = qApp->qwsProcessEvent(event) == 1; delete event; if (ret) { return true; } } if (!d->interrupt) { extern QList<QWSCommand*> *qt_get_server_queue(); if (!qt_get_server_queue()->isEmpty()) { QWSServer::processEventQueue(); } if (QEventDispatcherUNIX::processEvents(flags)) return true; } return (nevents > 0);}bool QEventDispatcherQWS::hasPendingEvents(){ extern uint qGlobalPostedEventsCount(); // from qapplication.cpp return qGlobalPostedEventsCount() || qt_fbdpy->eventPending();}void QEventDispatcherQWS::startingUp(){}void QEventDispatcherQWS::closingDown(){}void QEventDispatcherQWS::flush(){ if(qApp) qApp->sendPostedEvents(); (void)qt_fbdpy->eventPending(); // flush}int QEventDispatcherQWS::select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, timeval *timeout){ return QEventDispatcherUNIX::select(nfds, readfds, writefds, exceptfds, timeout);}QT_END_NAMESPACE