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/****************************************************************************
**
** Copyright (C) 2015 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://www.qt.io
**
** This file is part of the Qt Virtual Keyboard add-on for Qt Enterprise.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io
**
****************************************************************************/
#include "hangulinputmethod.h"
#include "declarativeinputcontext.h"
#include "hangul.h"
HangulInputMethod::HangulInputMethod(QObject *parent) :
AbstractInputMethod(*new AbstractInputMethodPrivate(), parent)
{
}
HangulInputMethod::~HangulInputMethod()
{
}
QList<DeclarativeInputEngine::InputMode> HangulInputMethod::inputModes(const QString &locale)
{
Q_UNUSED(locale)
return QList<DeclarativeInputEngine::InputMode>() << DeclarativeInputEngine::Hangul;
}
bool HangulInputMethod::setInputMode(const QString &locale, DeclarativeInputEngine::InputMode inputMode)
{
Q_UNUSED(locale)
Q_UNUSED(inputMode)
return true;
}
bool HangulInputMethod::setTextCase(DeclarativeInputEngine::TextCase textCase)
{
Q_UNUSED(textCase)
return true;
}
bool HangulInputMethod::keyEvent(Qt::Key key, const QString &text, Qt::KeyboardModifiers modifiers)
{
Q_UNUSED(modifiers)
DeclarativeInputContext *ic = inputContext();
bool accept = false;
int cursorPosition = ic->cursorPosition();
if (ic->cursorPosition() > 0) {
if (key == Qt::Key_Backspace) {
int contextLength = cursorPosition > 1 ? 2 : 1;
QString hangul = Hangul::decompose(ic->surroundingText().mid(cursorPosition - contextLength, contextLength));
int length = hangul.length();
if (hangul.length() > 1) {
ic->commit(Hangul::compose(hangul.left(length - 1)), -contextLength, contextLength);
accept = true;
}
} else if (!text.isEmpty() && Hangul::isJamo(text.at(0).unicode())) {
QString hangul = Hangul::compose(ic->surroundingText().mid(cursorPosition - 1, 1) + text);
ic->commit(hangul, -1, 1);
accept = true;
}
}
return accept;
}
void HangulInputMethod::reset()
{
}
void HangulInputMethod::update()
{
}
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