QtTWAIN/src/qtwaineventfilter.cpp

/*
 * MIT License
 *
 * Copyright (c) 2020 Alexey Edelev <semlanik@gmail.com>
 *
 * This file is part of QtTWAIN project https://git.semlanik.org/semlanik/QtTWAIN
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include "qtwaineventfilter_p.h"

#include <QByteArray>
#include <QCoreApplication>

#include "qtwaincontext_p.h"
#include "qtwainscanner_p.h"

using namespace QtTWAIN;

QTWAINEventFilter::QTWAINEventFilter(QTWAINScannerPrivate *s) : scanner(s)
{
    QCoreApplication::instance()->installNativeEventFilter(this);
}

QTWAINEventFilter::~QTWAINEventFilter()
{
    QCoreApplication::instance()->removeNativeEventFilter(this);
}

bool QTWAINEventFilter::nativeEventFilter(const QByteArray &, void *message, long *)
{
    return scanner->processEvent(message);
}