void QinPinyin::update_preedit_string(const IPreeditString& preedit)
{
const int len = preedit.size();
if (len > 0) {
preeditStr = TWCHAR2str(preedit.string(), preedit.size());
} else {
preeditStr.clear();
}
}
void
CIMIClassicView::getPreeditString(IPreeditString& ps)
{
ps.clear();
wstring &wstr = ps.getString ();
IPreeditString::CCharTypeVec& charTypes = ps.getCharTypeVec ();
m_pIC->getBestSentence (wstr, 0, m_candiFrIdx);
int caret = wstr.size ();
charTypes.reserve (caret);
for (int i = 0; i < caret; ++i)
charTypes.push_back (IPreeditString::HANZI_CHAR | IPreeditString::USER_CHOICE);
const wstring& pystr = m_pPySegmentor->getInputBuffer ();
IPySegmentor::TSegmentVec& segments = m_pPySegmentor->getSegments ();
IPySegmentor::TSegmentVec::const_iterator it = segments.begin ();
IPySegmentor::TSegmentVec::const_iterator ite = segments.end ();
CLattice& lattice = m_pIC->getLattice ();
unsigned i = 0, l = 0;
for (; it != ite; ++it, i+=l) {
l = it->m_len;
if (i+l <= m_candiFrIdx)
continue;
if (i < m_cursorFrIdx && m_cursorFrIdx <= i+l)
caret = wstr.size() + (m_cursorFrIdx-i);
CLatticeFrame &fr = lattice [i+l];
int ct = IPreeditString::PINYIN_CHAR;
if (fr.isSyllableSepFrame()) {
ct = IPreeditString::BOUNDARY | IPreeditString::USER_CHOICE;
} else if (fr.m_type == CLatticeFrame::ASCII) {
ct = IPreeditString::ASCII_CHAR;
} else if (fr.m_type == CLatticeFrame::SYMBOL) {
ct = IPreeditString::SYMBOL_CHAR;
}
wstr.insert (wstr.end(), pystr.begin()+i, pystr.begin()+i+l);
for (int c=0; c<l; ++c)
charTypes.push_back (ct);
if (fr.isSyllableFrame() && !fr.isSyllableSepFrame()) {
if ( it != ite -1 && !lattice[i+l+1].isSyllableSepFrame ()) {
wstr.push_back (' ');
charTypes.push_back (IPreeditString::BOUNDARY);
}
}
}
ps.setCaret (caret);
}
void decorate_preedit_string_using_caret_pos(IBusText *text, const IPreeditString& preedit, int caret)
{
if (caret < preedit.size()) {
// add underline, otherwise gtk app won't have the same color scheme with that of x11 apps
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_UNDERLINE, IBUS_ATTR_UNDERLINE_SINGLE,
caret, preedit.size());
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_FOREGROUND, WHITE,
caret, preedit.size());
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_BACKGROUND, GRAY_BLUE,
caret, preedit.size());
}
}
void
SunPinyinEngine::update_preedit_string(const IPreeditString& preedit)
{
const int len = preedit.size();
if (len > 0) {
IBusText *text = ibus_text_new_from_ucs4((const gunichar*) preedit.string());
const int caret = preedit.caret();
if (caret < len) {
decorate_preedit_string_using_caret_pos(text, preedit, caret);
} else {
decorate_preedit_string_using_char_type(text, preedit);
}
ibus_engine_update_preedit_text(m_engine, text, caret, TRUE);
} else {
ibus_engine_hide_preedit_text(m_engine);
}
}
int decorate_preedit_char(IBusText *text, const IPreeditString& preedit,
int begin, int end, unsigned type,
unsigned long fg_color)
{
int i = begin;
while (i < end && (preedit.charTypeAt(i) & type) == type)
++i;
end = i;
int len = end - begin;
if (len > 0) {
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_FOREGROUND,
fg_color, begin, end);
}
return len;
}
void decorate_preedit_string_using_char_type(IBusText *text, const IPreeditString& preedit)
{
for (int i = 0, size = preedit.charTypeSize(); i < size; ) {
int len = 0;
if ((len = decorate_preedit_char(text, preedit, i, size, preedit.PINYIN_CHAR,
GRAY_BLUE)) > 0) {
i += len;
} else if ((len = decorate_preedit_char(text, preedit, i, size,
preedit.BOUNDARY,
GRAY_BLUE)) > 0) {
i += len;
} else {
++i;
}
}
}
void
CIMIClassicView::getPreeditString(IPreeditString& ps)
{
ps.clear();
wstring &wstr = ps.getString ();
IPreeditString::CCharTypeVec& charTypes = ps.getCharTypeVec ();
m_pIC->getBestSentence (wstr, 0, m_candiFrIdx);
int caret = wstr.size ();
charTypes.reserve (caret);
for (int i = 0; i < caret; ++i)
charTypes.push_back (IPreeditString::HANZI_CHAR | IPreeditString::USER_CHOICE);
const wstring& pystr = m_pPySegmentor->getInputBuffer ();
std::vector<unsigned>& seg_path = m_pIC->getBestSegPath();
if (pystr.empty())
return;
/* FIXME:
* CIMIContext would fail to backTrace the bestPathes when there are no latticeStates
* on frame e.g., 'yiden' in Quanpin mode, need a better solution later!
*/
if (seg_path.empty()) {
IPySegmentor::TSegmentVec& segments = m_pPySegmentor->getSegments ();
IPySegmentor::TSegmentVec::const_iterator it = segments.begin ();
IPySegmentor::TSegmentVec::const_iterator ite = segments.end ();
CLattice& lattice = m_pIC->getLattice ();
unsigned i = 0, l = 0;
for (; it != ite; ++it, i+=l) {
l = it->m_len;
if (i+l <= m_candiFrIdx)
continue;
if (i < m_cursorFrIdx && m_cursorFrIdx <= i+l)
caret = wstr.size() + (m_cursorFrIdx-i);
CLatticeFrame &fr = lattice [i+l];
int ct = IPreeditString::PINYIN_CHAR;
if (fr.isSyllableSepFrame()) {
ct = IPreeditString::BOUNDARY | IPreeditString::USER_CHOICE;
} else if (fr.m_type == CLatticeFrame::ASCII) {
ct = IPreeditString::ASCII_CHAR;
} else if (fr.m_type == CLatticeFrame::SYMBOL) {
ct = IPreeditString::SYMBOL_CHAR;
}
wstr.insert (wstr.end(), pystr.begin()+i, pystr.begin()+i+l);
for (int c=0; c<l; ++c)
charTypes.push_back (ct);
if (fr.isSyllableFrame() && !fr.isSyllableSepFrame()) {
if ( it != ite -1 && !lattice[i+l+1].isSyllableSepFrame ()) {
wstr.push_back (' ');
charTypes.push_back (IPreeditString::BOUNDARY);
}
}
}
} else {
std::vector<unsigned>::iterator it = seg_path.begin() + 1;
std::vector<unsigned>::iterator ite = seg_path.end();
CLattice& lattice = m_pIC->getLattice ();
unsigned i = 0, l = 0;
for (; it != ite; i=*(it++)) {
l = *it - i;
if (*it <= m_candiFrIdx)
continue;
if (i < m_cursorFrIdx && m_cursorFrIdx <= i+l)
caret = wstr.size() + (m_cursorFrIdx-i);
CLatticeFrame &fr = lattice [i+l];
int ct = IPreeditString::PINYIN_CHAR;
if (fr.isSyllableSepFrame()) {
ct = IPreeditString::BOUNDARY | IPreeditString::USER_CHOICE;
} else if (fr.m_type == CLatticeFrame::ASCII) {
ct = IPreeditString::ASCII_CHAR;
} else if (fr.m_type == CLatticeFrame::SYMBOL) {
ct = IPreeditString::SYMBOL_CHAR;
}
wstr.insert (wstr.end(), pystr.begin()+i, pystr.begin()+i+l);
for (int c=0; c<l; ++c)
charTypes.push_back (ct);
if (fr.isSyllableFrame() && !fr.isSyllableSepFrame()) {
if ( it != ite -1 && !lattice[i+l+1].isSyllableSepFrame ()) {
wstr.push_back (' ');
charTypes.push_back (IPreeditString::BOUNDARY);
}
}
}
}
ps.setCaret (caret);
}
