/****************************************************************************
 **
 ** Copyright (C) 2016 Ivan Vizir <define-true-false@yandex.com>
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the QtWinExtras module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial License Usage
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 ** accordance with the commercial license agreement provided with the
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 ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
 ** packaging of this file. Please review the following information to
 ** ensure the GNU Lesser General Public License version 3 requirements
 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 2.0 or (at your option) the GNU General
 ** Public license version 3 or any later version approved by the KDE Free
 ** Qt Foundation. The licenses are as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
 ** included in the packaging of this file. Please review the following
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 ****************************************************************************/

#ifndef QWINEVENTFILTER_H
#define QWINEVENTFILTER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtWinExtras/qwinextrasglobal.h>
#include <QtCore/qabstractnativeeventfilter.h>
#include <QtCore/qt_windows.h>

QT_BEGIN_NAMESPACE

class QWindow;

class Q_WINEXTRAS_EXPORT QWinEventFilter : public QAbstractNativeEventFilter
{
public:
    QWinEventFilter();
    ~QWinEventFilter();
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) override;
#else
    bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override;
#endif

    static void setup();

private:
    static QWinEventFilter *instance;
    QWindow *findWindow(HWND);
    UINT tbButtonCreatedMsgId;
};

QT_END_NAMESPACE

#endif // QWINEVENTFILTER_H