diff options
Diffstat (limited to 'src/gui/guikernel/qeventdispatcher_s60.cpp')
| -rw-r--r-- | src/gui/guikernel/qeventdispatcher_s60.cpp | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/gui/guikernel/qeventdispatcher_s60.cpp b/src/gui/guikernel/qeventdispatcher_s60.cpp new file mode 100644 index 0000000000..2d92c89c07 --- /dev/null +++ b/src/gui/guikernel/qeventdispatcher_s60.cpp @@ -0,0 +1,196 @@ +/**************************************************************************** +** +** 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 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 <qwidget.h> + +#include "qeventdispatcher_s60_p.h" + +QT_BEGIN_NAMESPACE + +QtEikonEnv::QtEikonEnv() + : m_lastIterationCount(0) + , m_savedStatusCode(KRequestPending) + , m_hasAlreadyRun(false) +{ +} + +QtEikonEnv::~QtEikonEnv() +{ +} + +void QtEikonEnv::RunL() +{ + QEventDispatcherS60 *dispatcher = qobject_cast<QEventDispatcherS60 *>(QAbstractEventDispatcher::instance()); + if (!dispatcher) { + CEikonEnv::RunL(); + return; + } + + if (m_lastIterationCount != dispatcher->iterationCount()) { + m_hasAlreadyRun = false; + m_lastIterationCount = dispatcher->iterationCount(); + } + + if (m_hasAlreadyRun) { + // Fool the active scheduler into believing we are still waiting for events. + // The window server thinks we are not, however. + m_savedStatusCode = iStatus.Int(); + iStatus = KRequestPending; + SetActive(); + dispatcher->queueDeferredActiveObjectsCompletion(); + } else { + m_hasAlreadyRun = true; + CEikonEnv::RunL(); + } +} + +void QtEikonEnv::DoCancel() +{ + complete(); + + CEikonEnv::DoCancel(); +} + +void QtEikonEnv::complete() +{ + if (m_hasAlreadyRun) { + if (m_savedStatusCode != KRequestPending) { + TRequestStatus *status = &iStatus; + QEventDispatcherSymbian::RequestComplete(status, m_savedStatusCode); + m_savedStatusCode = KRequestPending; + } + m_hasAlreadyRun = false; + } +} + +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--); + } + } +} + +// reimpl +void QEventDispatcherS60::reactivateDeferredActiveObjects() +{ + if (S60->qtOwnsS60Environment) { + static_cast<QtEikonEnv *>(CCoeEnv::Static())->complete(); + } + + QEventDispatcherSymbian::reactivateDeferredActiveObjects(); +} + +QT_END_NAMESPACE |