void QUimInputContext::updatePreedit()
{
QString newString = getPreeditString();
int cursor = getPreeditCursorPosition();
int selLength = getPreeditSelectionLength();
if ( newString.isEmpty() && ! isComposing() )
return ;
// Activating the IM
if ( ! newString.isEmpty() && ! isComposing() )
sendIMEvent( QEvent::IMStart );
if ( ! newString.isEmpty() )
{
#ifdef ENABLE_DEBUG
qDebug( "cursor = %d, length = %d", cursor, newString.length() );
#endif
sendIMEvent( QEvent::IMCompose, newString, cursor, selLength );
}
// Preedit's length is Zero, we should deactivate IM and
// cancel the inputting, that is, sending IMEnd event with
// empty string.
if ( newString.isEmpty() && isComposing() )
sendIMEvent( QEvent::IMEnd );
}
bool QHangulPlatformInputContext::backspace() {
bool ret = hangul_ic_backspace(m_hic);
if (ret) {
QString str = getPreeditString();
updatePreedit(str);
}
return ret;
}
void
CIMIClassicView::updateWindows(unsigned mask)
{
if (!m_pWinHandler)
return;
if (mask & PREEDIT_MASK) {
CPreEditString ps;
getPreeditString (ps);
m_pWinHandler->updatePreedit (&ps);
}
if ((mask & PREEDIT_MASK) || (mask & CANDIDATE_MASK)) {
unsigned word_num = m_pIC->getBestSentence (m_tailSentence, m_candiFrIdx);
if (word_num <= 1 || (!m_candiList.empty() && m_tailSentence == m_candiList[0].m_cwstr))
m_tailSentence.clear ();
}
if (mask & CANDIDATE_MASK) {
CCandidateList cl;
getCandidateList (cl, m_candiPageFirst, m_candiWindowSize);
m_pWinHandler->updateCandidates (&cl);
}
}
bool QHangulPlatformInputContext::filterEvent(const QEvent *event) {
if (event->type() != QEvent::KeyPress)
return false;
const QKeyEvent *keyevent = static_cast<const QKeyEvent*>(event);
if (m_candidateList != NULL && m_candidateList->isVisible()) {
if (m_candidateList->filterEvent(keyevent)) {
if (m_candidateList->isSelected()) {
hangul_ic_reset(m_hic);
QString candidate(m_candidateList->getCandidate());
commitText(candidate);
}
m_candidateList->close();
}
return true;
}
if (keyevent->key() == Qt::Key_Shift)
return false;
if (keyevent->key() == Qt::Key_Backspace)
return backspace();
if (isTriggerKey(keyevent)) {
if (m_mode == MODE_DIRECT) {
m_mode = MODE_HANGUL;
} else {
reset();
m_mode = MODE_DIRECT;
}
setModeInfo(m_mode);
return true;
}
if (isCandidateKey(keyevent)) {
return popupCandidateList();
}
if (keyevent->modifiers() & Qt::ControlModifier ||
keyevent->modifiers() & Qt::AltModifier ||
keyevent->modifiers() & Qt::MetaModifier) {
reset();
return false;
}
if (m_mode == MODE_HANGUL) {
QString text = keyevent->text();
if (keyevent->modifiers() & Qt::ShiftModifier)
text = text.toUpper();
else
text = text.toLower();
int ascii = 0;
if (!text.isEmpty())
ascii = text[0].unicode();
bool ret = hangul_ic_process(m_hic, ascii);
QString commitString = getCommitString();
if (!commitString.isEmpty())
commitText(commitString);
QString preeditString = getPreeditString();
if (!preeditString.isEmpty())
updatePreedit(preeditString);
return ret;
}
return false;
}
void
CIMIClassicView::updateWindows(unsigned mask)
{
if (!m_pWinHandler)
return;
if (mask & PREEDIT_MASK) {
m_uiPreeditString.clear();
getPreeditString(m_uiPreeditString);
// m_pWinHandler->updatePreedit(&ps);
handlerUpdatePreedit(&m_uiPreeditString);
}
if ((mask & PREEDIT_MASK) || (mask & CANDIDATE_MASK)) {
// calculate all possible best sentences
m_sentences.clear();
int best_rank = -1;
for (size_t i = 0; i < m_pIC->getNBest(); i++) {
wstring sentence;
unsigned word_num = m_pIC->getBestSentence(sentence, i,
m_candiFrIdx);
if (word_num == 0) goto pass; // when sentence is not worthy of
#ifdef DEBUG
printf("%d ", i);
print_wide(sentence.c_str());
printf("\n");
#endif
for (size_t j = 0; j < m_sentences.size(); j++) {
if (sentence == m_sentences[j].second) goto pass;
}
if (best_rank < 0 && word_num > 1) {
best_rank = i;
}
m_sentences.push_back(std::make_pair(i, sentence));
pass:
continue;
}
// build all possible tails with best_rank
std::vector<CCandidates> tails =
m_pIC->getBestSentenceTails(best_rank, m_candiFrIdx);
m_tails.clear();
for (size_t i = 0; i < tails.size(); i++) {
CCandidates& tail = tails[i];
wstring tail_text;
// translate this tail into text
for (size_t j = 0; j < tail.size(); j++) {
tail_text += tail[j].m_cwstr;
}
m_tails.push_back(std::make_pair(tail_text, tail));
}
}
if (mask & CANDIDATE_MASK) {
m_uiCandidateList.clear();
getCandidateList(m_uiCandidateList, m_candiPageFirst,
m_candiWindowSize);
// m_pWinHandler->updateCandidates(&cl);
handlerUpdateCandidates(&m_uiPreeditString, &m_uiCandidateList);
}
}
