#include <QInputMethodEvent>
#include <QCoreApplication>
#include <QKeyEvent>
#include "keyeventdispatcher.h"

KeyEventDispatcher::KeyEventDispatcher(QObject *parent) :
    QObject(parent),m_focusItem(0)
{
}

void KeyEventDispatcher::setFocusItem(QObject *focusItem)
{
    m_focusItem = focusItem;
}

void KeyEventDispatcher::sendKeyToFocusItem(const QString &keyText)
{
    if (!m_focusItem) {
        return;
    }
    if (keyText == QString("\x7F"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_Backspace, Qt::NoModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_Backspace, Qt::NoModifier));
    }
    else if (keyText == QString("\n"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_Return, Qt::NoModifier));
    }
    else if (keyText == QString("&&"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, 0, Qt::NoModifier, "&"));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, 0, Qt::NoModifier, "&"));
    }
    else if (keyText == QString("&CtrlC&"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_C, Qt::ControlModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_C, Qt::ControlModifier));
    }
    else if (keyText == QString("&CtrlV&"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_V, Qt::ControlModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_V, Qt::ControlModifier));
    }
    else if (keyText == QString("&Left&"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_Left, Qt::NoModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_Left, Qt::NoModifier));
    }
    else if (keyText == QString("&CtrlA&"))
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, Qt::Key_A, Qt::ControlModifier));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, Qt::Key_A, Qt::ControlModifier));
    }
    else
    {
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyPress, 0, Qt::NoModifier, keyText));
        QCoreApplication::sendEvent(m_focusItem, new QKeyEvent(QEvent::KeyRelease, 0, Qt::NoModifier, keyText));
    }
}