diff options
Diffstat (limited to 'src/plugins/platforms/winrt/qwinrteventdispatcher.cpp')
-rw-r--r-- | src/plugins/platforms/winrt/qwinrteventdispatcher.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/platforms/winrt/qwinrteventdispatcher.cpp b/src/plugins/platforms/winrt/qwinrteventdispatcher.cpp new file mode 100644 index 0000000000..baa8b5c636 --- /dev/null +++ b/src/plugins/platforms/winrt/qwinrteventdispatcher.cpp @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qwinrteventdispatcher.h" +#include <qpa/qwindowsysteminterface.h> +#include <qpa/qplatformscreen.h> +#include <qpa/qplatformscreenpageflipper.h> +#include <QtCore/QThread> +#include <QtGui/QGuiApplication> + +#include <Windows.ui.core.h> +#include <Windows.ApplicationModel.core.h> + +using namespace ABI::Windows::ApplicationModel::Core; +using namespace ABI::Windows::UI::Core; +using namespace ABI::Windows::Foundation; +using namespace Microsoft::WRL; + +QT_BEGIN_NAMESPACE + +QWinRTEventDispatcher::QWinRTEventDispatcher(ICoreDispatcher *dispatcher, QObject *parent) + : QEventDispatcherWinRT(parent) + , m_dispatcher(dispatcher) + , m_interrupt(false) +{ +} + +bool QWinRTEventDispatcher::hasPendingEvents() +{ + return QEventDispatcherWinRT::hasPendingEvents() || QWindowSystemInterface::windowSystemEventsQueued(); +} + +void QWinRTEventDispatcher::interrupt() +{ + m_interrupt = true; +} + +bool QWinRTEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) +{ + bool canWait = flags & QEventLoop::WaitForMoreEvents; + bool didProcess; + m_interrupt = false; + do { + // Send Qt events + didProcess = QEventDispatcherWinRT::processEvents(flags); + + // Process system events + emit aboutToBlock(); + if (m_dispatcher) + m_dispatcher->ProcessEvents(CoreProcessEventsOption_ProcessAllIfPresent); + emit awake(); + + // Dispatch accumulated user events + didProcess |= QWindowSystemInterface::sendWindowSystemEvents(flags); + canWait = canWait && !didProcess && !m_interrupt; + + // Short sleep if there is nothing to do + if (canWait) { + emit aboutToBlock(); + WaitForSingleObjectEx(GetCurrentThread(), 1, true); + emit awake(); + } + } while (canWait); + return didProcess; +} + +QT_END_NAMESPACE |