source: trunk/src/gui/kernel/qclipboard_win.cpp@ 5

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qclipboard.h"

#ifndef QT_NO_CLIPBOARD

#include "qapplication.h"
#include "qapplication_p.h"
#include "qeventloop.h"
#include "qwidget.h"
#include "qevent.h"
#include "qmime.h"
#include "qt_windows.h"
#include "qdnd_p.h"

QT_BEGIN_NAMESPACE

#if defined(Q_OS_WINCE)
QT_BEGIN_INCLUDE_NAMESPACE
#include "qguifunctions_wince.h"
QT_END_INCLUDE_NAMESPACE

HRESULT QtCeGetClipboard(IDataObject** obj);
HRESULT QtCeSetClipboard(IDataObject* obj);
void QtCeFlushClipboard();

#define OleGetClipboard QtCeGetClipboard
#define OleSetClipboard QtCeSetClipboard
#define OleFlushClipboard QtCeFlushClipboard

#endif


class QClipboardWatcher : public QInternalMimeData {
public:
    QClipboardWatcher()
        : QInternalMimeData()
    {
    }

    bool hasFormat_sys(const QString &mimetype) const;
    QStringList formats_sys() const;
    QVariant retrieveData_sys(const QString &mimetype, QVariant::Type preferredType) const;
};


bool QClipboardWatcher::hasFormat_sys(const QString &mime) const
{
    IDataObject * pDataObj = 0;

    if (OleGetClipboard(&pDataObj) != S_OK && !pDataObj) // Sanity
        return false;

    bool has = QWindowsMime::converterToMime(mime, pDataObj) != 0;

    pDataObj->Release();

    return has;
}

QStringList QClipboardWatcher::formats_sys() const
{
    QStringList fmts;
    IDataObject * pDataObj = 0;

    if (OleGetClipboard(&pDataObj) != S_OK && !pDataObj) // Sanity
        return QStringList();

    fmts = QWindowsMime::allMimesForFormats(pDataObj);

    pDataObj->Release();