Long live Qt!

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
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+/****************************************************************************
+**
+** 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