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/****************************************************************************
**
** Copyright (C) 2012 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 "qoffscreenintegration.h"
#include "qoffscreenwindow.h"
#include "qoffscreencommon.h"
#if defined(Q_OS_UNIX)
#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
#if defined(Q_OS_MAC)
#include <qpa/qplatformfontdatabase.h>
#else
#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
#endif
#elif defined(Q_OS_WIN)
#include <QtPlatformSupport/private/qbasicfontdatabase_p.h>
#ifndef Q_OS_WINRT
#include <QtCore/private/qeventdispatcher_win_p.h>
#else
#include <QtCore/private/qeventdispatcher_winrt_p.h>
#endif
#endif
#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include <qpa/qplatformservices.h>
QT_BEGIN_NAMESPACE
template <typename BaseEventDispatcher>
class QOffscreenEventDispatcher : public BaseEventDispatcher
{
public:
explicit QOffscreenEventDispatcher(QObject *parent = 0)
: BaseEventDispatcher(parent)
{
}
bool processEvents(QEventLoop::ProcessEventsFlags flags)
{
bool didSendEvents = BaseEventDispatcher::processEvents(flags);
return QWindowSystemInterface::sendWindowSystemEvents(flags) || didSendEvents;
}
bool hasPendingEvents()
{
return BaseEventDispatcher::hasPendingEvents()
|| QWindowSystemInterface::windowSystemEventsQueued();
}
void flush()
{
if (qApp)
qApp->sendPostedEvents();
BaseEventDispatcher::flush();
}
};
QOffscreenIntegration::QOffscreenIntegration()
{
#if defined(Q_OS_UNIX)
m_eventDispatcher = createUnixEventDispatcher();
#if defined(Q_OS_MAC)
m_fontDatabase.reset(new QPlatformFontDatabase());
#else
m_fontDatabase.reset(new QGenericUnixFontDatabase());
#endif
#elif defined(Q_OS_WIN)
#ifndef Q_OS_WINRT
m_eventDispatcher = new QOffscreenEventDispatcher<QEventDispatcherWin32>();
#else
m_eventDispatcher = new QOffscreenEventDispatcher<QEventDispatcherWinRT>();
#endif
m_fontDatabase.reset(new QBasicFontDatabase());
#endif
#ifndef QT_NO_DRAGANDDROP
m_drag.reset(new QOffscreenDrag);
#endif
m_services.reset(new QPlatformServices);
QGuiApplicationPrivate::instance()->setEventDispatcher(m_eventDispatcher);
screenAdded(new QOffscreenScreen);
}
QOffscreenIntegration::~QOffscreenIntegration()
{
}
bool QOffscreenIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
switch (cap) {
case ThreadedPixmaps: return true;
case MultipleWindows: return true;
default: return QPlatformIntegration::hasCapability(cap);
}
}
QPlatformWindow *QOffscreenIntegration::createPlatformWindow(QWindow *window) const
{
Q_UNUSED(window);
QPlatformWindow *w = new QOffscreenWindow(window);
w->requestActivateWindow();
return w;
}
QPlatformBackingStore *QOffscreenIntegration::createPlatformBackingStore(QWindow *window) const
{
return new QOffscreenBackingStore(window);
}
QAbstractEventDispatcher *QOffscreenIntegration::guiThreadEventDispatcher() const
{
return m_eventDispatcher;
}
QPlatformFontDatabase *QOffscreenIntegration::fontDatabase() const
{
return m_fontDatabase.data();
}
#ifndef QT_NO_DRAGANDDROP
QPlatformDrag *QOffscreenIntegration::drag() const
{
return m_drag.data();
}
#endif
QPlatformServices *QOffscreenIntegration::services() const
{
return m_services.data();
}
QT_END_NAMESPACE
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