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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qfbvthandler_p.h"
#include <QtCore/private/qcrashhandler_p.h>
#include <QtGui/private/qguiapplication_p.h>
#if defined(Q_OS_LINUX) && !defined(QT_NO_EVDEV)
#define HAS_VT
#endif
#ifdef HAS_VT
#include <sys/ioctl.h>
#include <linux/kd.h>
#ifdef K_OFF
#define KBD_OFF_MODE K_OFF
#else
#define KBD_OFF_MODE K_RAW
#endif
#endif // HAS_VT
QT_BEGIN_NAMESPACE
QFbVtHandler *QFbVtHandler::self = 0;
QFbVtHandler::QFbVtHandler(QObject *parent)
: QObject(parent), m_tty(-1)
{
Q_ASSERT(!self);
self = this;
#ifdef HAS_VT
if (!isatty(0))
return;
m_tty = 0;
::ioctl(m_tty, KDGKBMODE, &m_oldKbdMode);
if (!qEnvironmentVariableIntValue("QT_QPA_ENABLE_TERMINAL_KEYBOARD")) {
::ioctl(m_tty, KDSKBMODE, KBD_OFF_MODE);
QGuiApplicationPrivate *appd = QGuiApplicationPrivate::instance();
Q_ASSERT(appd);
QSegfaultHandler::initialize(appd->argv, appd->argc);
QSegfaultHandler::installCrashHandler(crashHandler);
}
#endif
}
QFbVtHandler::~QFbVtHandler()
{
self->cleanup();
self = 0;
}
void QFbVtHandler::cleanup()
{
if (m_tty == -1)
return;
#ifdef HAS_VT
::ioctl(m_tty, KDSKBMODE, m_oldKbdMode);
#endif
}
void QFbVtHandler::crashHandler()
{
Q_ASSERT(self);
self->cleanup();
}
QT_END_NAMESPACE
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