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#include <QtCore>

#include "myinputpanelcontext.h"

//! [0]

MyInputPanelContext::MyInputPanelContext()

{

    inputPanel = new MyInputPanel;

    connect(inputPanel, SIGNAL(characterGenerated(QChar)), SLOT(sendCharacter(QChar)));

}

//! [0]

MyInputPanelContext::~MyInputPanelContext()

{

    delete inputPanel;

}

//! [1]

bool MyInputPanelContext::filterEvent(const QEvent* event)

{

    if (event->type() == QEvent::RequestSoftwareInputPanel) {

        updatePosition();

        inputPanel->show();

        return true;

    } else if (event->type() == QEvent::CloseSoftwareInputPanel) {

        inputPanel->hide();

        return true;

    }

    return false;

}

//! [1]

QString MyInputPanelContext::identifierName()

{

    return "MyInputPanelContext";

}

void MyInputPanelContext::reset()

{

}

bool MyInputPanelContext::isComposing() const

{

    return false;

}

QString MyInputPanelContext::language()

{

    return "en_US";

}

//! [2]

void MyInputPanelContext::sendCharacter(QChar character)

{

    QPointer<QWidget> w = focusWidget();

    if (!w)

        return;

    QKeyEvent keyPress(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString(character));

    QApplication::sendEvent(w, &keyPress);

    if (!w)

        return;

    QKeyEvent keyRelease(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString());

    QApplication::sendEvent(w, &keyRelease);

}

//! [2]

//! [3]

void MyInputPanelContext::updatePosition()

{

    QWidget *widget = focusWidget();

    if (!widget)

        return;

    QRect widgetRect = widget->rect();

    QPoint panelPos = QPoint(widgetRect.left(), widgetRect.bottom() + 2);

    panelPos = widget->mapToGlobal(panelPos);

    inputPanel->move(panelPos);

}

//! [3]