src/gui/kernel/qeventdispatcher_s60.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qeventdispatcher_s60.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui 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 <qwidget.h>
+
+#include "qeventdispatcher_s60_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QEventDispatcherS60::QEventDispatcherS60(QObject *parent)
+    : QEventDispatcherSymbian(parent),
+      m_noInputEvents(false)
+{
+}
+
+QEventDispatcherS60::~QEventDispatcherS60()
+{
+    for (int c = 0; c < m_deferredInputEvents.size(); ++c) {
+        delete m_deferredInputEvents[c].event;
+    }
+}
+
+bool QEventDispatcherS60::processEvents ( QEventLoop::ProcessEventsFlags flags )
+{
+    bool ret = false;
+
+    QT_TRY {
+        bool oldNoInputEventsValue = m_noInputEvents;
+        if (flags & QEventLoop::ExcludeUserInputEvents) {
+            m_noInputEvents = true;
+        } else {
+            m_noInputEvents = false;
+            ret = sendDeferredInputEvents() || ret;
+        }
+
+        ret = QEventDispatcherSymbian::processEvents(flags) || ret;
+
+        m_noInputEvents = oldNoInputEventsValue;
+    } QT_CATCH (const std::exception& ex) {
+#ifndef QT_NO_EXCEPTIONS
+        CActiveScheduler::Current()->Error(qt_symbian_exception2Error(ex));
+#endif
+    }
+
+    return ret;
+}
+
+bool QEventDispatcherS60::hasPendingEvents()
+{
+    return !m_deferredInputEvents.isEmpty() || QEventDispatcherSymbian::hasPendingEvents();
+}
+
+void QEventDispatcherS60::saveInputEvent(QSymbianControl *control, QWidget *widget, QInputEvent *event)
+{
+    DeferredInputEvent inputEvent = {control, widget, event};
+    m_deferredInputEvents.append(inputEvent);
+    connect(widget, SIGNAL(destroyed(QObject *)), SLOT(removeInputEventsForWidget(QObject *)));
+}
+
+bool QEventDispatcherS60::sendDeferredInputEvents()
+{
+    bool eventsSent = false;
+    while (!m_deferredInputEvents.isEmpty()) {
+        DeferredInputEvent inputEvent = m_deferredInputEvents.takeFirst();
+#ifndef QT_NO_EXCEPTIONS
+        try {
+#endif
+            inputEvent.control->sendInputEvent(inputEvent.widget, inputEvent.event);
+#ifndef QT_NO_EXCEPTIONS
+        } catch (...) {
+            delete inputEvent.event;
+            throw;
+        }
+#endif
+        delete inputEvent.event;
+        eventsSent = true;
+    }
+
+    return eventsSent;
+}
+
+void QEventDispatcherS60::removeInputEventsForWidget(QObject *object)
+{
+    for (int c = 0; c < m_deferredInputEvents.size(); ++c) {
+        if (m_deferredInputEvents[c].widget == object) {
+            delete m_deferredInputEvents[c].event;
+            m_deferredInputEvents.removeAt(c--);
+        }
+    }
+}
+
+QT_END_NAMESPACE