<reponame>viewdy/phantomjs
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#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 (!qgetenv("QT_QPA_ENABLE_TERMINAL_KEYBOARD").toInt()) {
        ::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
