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#include "qinputcontrol_p.h"
#include <QtGui/qevent.h>

QT_BEGIN_NAMESPACE

QInputControl::QInputControl(Type type, QObject *parent)
    : QObject(parent)
    , m_type(type)
{
}

QInputControl::QInputControl(Type type, QObjectPrivate &dd, QObject *parent)
    : QObject(dd, parent)
    , m_type(type)
{
}

bool QInputControl::isAcceptableInput(const QKeyEvent *event) const
{
    const QString text = event->text();
    if (text.isEmpty())
        return false;

    const QChar c = text.at(0);

    // ZWNJ and ZWJ. This needs to go before the next test, since CTRL+SHIFT is
    // used to input it on Windows.
    if (c == QChar(0x200C) || c == QChar(0x200D))
        return true;

    // QTBUG-35734: ignore Ctrl/Ctrl+Shift; accept only AltGr (Alt+Ctrl) on German keyboards
    if (event->modifiers() == Qt::ControlModifier
            || event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier)) {
        return false;
    }

    if (c.isPrint())
        return true;

    if (c.category() == QChar::Other_PrivateUse)
        return true;

    if (m_type == TextEdit && c == QLatin1Char('\t'))
        return true;

    return false;
}

QT_END_NAMESPACE