unsigned
CIMIClassicView::_moveHome (unsigned& mask, bool searchAgain)
{
if (m_cursorFrIdx == 0)
return 0;
mask |= PREEDIT_MASK;
if (m_candiFrIdx != 0) {
std::vector<unsigned>& best_path = m_pIC->getBestPath();
std::vector<unsigned>::iterator it = best_path.begin();
std::vector<unsigned>::iterator ite = best_path.end();
CLattice& lattice = m_pIC->getLattice ();
for (; it != ite; ++it) {
if (lattice[*it].m_bwType & CLatticeFrame::USER_SELECTED)
m_pIC->cancelSelection (*it, false);
}
mask |= CANDIDATE_MASK;
m_candiFrIdx = 0;
_getCandidates ();
if (searchAgain) m_pIC->searchFrom ();
}
m_cursorFrIdx = 0;
return 0;
}
void
CIMIClassicView::_erase (bool backward, unsigned &changeMasks)
{
if (backward) {
if (m_cursorFrIdx == m_pIC->getLastFrIdx())
m_pPySegmentor->pop();
else if (m_cursorFrIdx > 0)
m_pPySegmentor->deleteAt(m_cursorFrIdx-1, backward);
else
return;
_moveLeft(changeMasks, true);
} else {
if (m_cursorFrIdx < m_pIC->getLastFrIdx ())
m_pPySegmentor->deleteAt(m_cursorFrIdx-1, backward);
else
return;
}
IPySegmentor::TSegmentVec &segs = m_pPySegmentor->getSegments ();
if (m_pIC->buildLattice (segs, m_pPySegmentor->updatedFrom()+1))
_getCandidates ();
changeMasks |= PREEDIT_MASK | CANDIDATE_MASK | KEYEVENT_USED;
}
unsigned
CIMIClassicView::_moveLeft (unsigned& mask, bool searchAgain)
{
if (m_cursorFrIdx == 0)
return 0;
mask |= PREEDIT_MASK;
if (m_cursorFrIdx == m_candiFrIdx) {
mask |= CANDIDATE_MASK;
m_candiFrIdx = m_pIC->cancelSelection (m_candiFrIdx, searchAgain);
_getCandidates ();
}
return --m_cursorFrIdx;
}
void
CIMIClassicView::_deleteCandidate (int candiIdx, unsigned& mask)
{
candiIdx += m_candiPageFirst;
if (!m_tailSentence.empty ()) --candiIdx;
// try to remove candidate 0 which is a calculated sentence
if (candiIdx < 0) {
return;
}
CCandidate& candi = m_candiList [candiIdx];
m_pIC->deleteCandidate(candi);
_getCandidates ();
mask |= PREEDIT_MASK | CANDIDATE_MASK;
}
unsigned
CIMIClassicView::_moveLeftSyllable (unsigned& mask, bool searchAgain)
{
if (m_cursorFrIdx == 0)
return 0;
unsigned i, j;
mask |= PREEDIT_MASK;
if (m_cursorFrIdx == m_candiFrIdx) {
mask |= CANDIDATE_MASK;
m_candiFrIdx = m_pIC->cancelSelection (m_candiFrIdx, searchAgain);
_getCandidates ();
}
m_pPySegmentor->locateSegment (m_cursorFrIdx-1, i, j);
return m_cursorFrIdx = i;
}
void
CIMIClassicView::_makeSelection (int candiIdx, unsigned& mask)
{
candiIdx += m_candiPageFirst;
if (!m_tailSentence.empty ()) --candiIdx;
if (candiIdx < 0) {
// commit the best sentence
mask |= PREEDIT_MASK | CANDIDATE_MASK;
_doCommit ();
clearIC ();
} else if (candiIdx < m_candiList.size ()) {
mask |= PREEDIT_MASK | CANDIDATE_MASK;
CCandidate& candi = m_candiList [candiIdx];
m_pIC->makeSelection (candi);
m_candiFrIdx = candi.m_end;
if (m_cursorFrIdx < m_candiFrIdx) m_cursorFrIdx = m_candiFrIdx;
CLattice& lattice = m_pIC->getLattice ();
while (m_candiFrIdx < m_pIC->getLastFrIdx () &&
!lattice[m_candiFrIdx+1].isUnusedFrame () &&
!lattice[m_candiFrIdx+1].isSyllableFrame ()) {
++ m_candiFrIdx;
lattice[m_candiFrIdx].m_bwType |= CLatticeFrame::IGNORED;
}
if (m_candiFrIdx == m_pIC->getLastFrIdx ()) {
_doCommit ();
clearIC ();
} else {
m_candiPageFirst = 0;
_getCandidates ();
}
} else if (candiIdx == 0 && m_candiList.size() == 0) {
// user might delete all the left over pinyin characters, this will
// make m_candiList empty
// 0 or space choices should commit previous selected candidates
mask |= PREEDIT_MASK | CANDIDATE_MASK;
_doCommit();
clearIC();
}
}
void
CIMIClassicView::_insert (unsigned keyvalue, unsigned &changeMasks)
{
changeMasks |= KEYEVENT_USED;
if (m_pPySegmentor->getInputBuffer().size() >= MAX_LATTICE_LENGTH-1)
return;
if (m_cursorFrIdx == m_pIC->getLastFrIdx ())
m_pPySegmentor->push (keyvalue);
else
m_pPySegmentor->insertAt (m_cursorFrIdx, keyvalue);
m_cursorFrIdx ++;
if (m_pIC->buildLattice (m_pPySegmentor))
_getCandidates ();
changeMasks |= PREEDIT_MASK | CANDIDATE_MASK;
}
