diff options
Diffstat (limited to 'src/gui/kernel/qeventdispatcher_qws.cpp')
| -rw-r--r-- | src/gui/kernel/qeventdispatcher_qws.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/gui/kernel/qeventdispatcher_qws.cpp b/src/gui/kernel/qeventdispatcher_qws.cpp new file mode 100644 index 0000000..6e2cc2b --- /dev/null +++ b/src/gui/kernel/qeventdispatcher_qws.cpp @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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_NAMESPACE + +QT_USE_NAMESPACE + +class 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.cpp +extern QWSDisplay* qt_fbdpy; // QWS `display' + +//#define ZERO_FOR_THE_MOMENT + +bool 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 |