String
HangulInstance::get_candidate_string()
{
int cursor = 0;
if (m_surrounding_text.empty())
get_surrounding_text(m_surrounding_text, cursor, 10, 0);
int i;
for (i = m_surrounding_text.length() - 1; i >= 0; i--) {
if (!hangul_is_syllable(m_surrounding_text[i]))
break;
}
if (i >= 0)
m_surrounding_text.erase(0, i + 1);
return utf8_wcstombs(m_surrounding_text + get_preedit_string());
}
thcell_t
ThaiInstance::_get_previous_cell ()
{
WideString surrounding;
int cursor_index;
thcell_t the_cell;
th_init_cell (&the_cell);
if (get_surrounding_text (surrounding, cursor_index))
{
thchar_t* tis_text = new thchar_t [cursor_index+1];
if (!tis_text)
goto exit_point;
tis_text [cursor_index] = '\0';
int begin_index = cursor_index;
while (begin_index > 0)
{
thchar_t c = th_uni2tis (surrounding [begin_index-1]);
if (c == THCHAR_ERR)
break;
tis_text [--begin_index] = c;
}
if (begin_index < cursor_index)
{
th_prev_cell (tis_text + begin_index, cursor_index - begin_index,
&the_cell, true);
}
delete tis_text;
}
else
{
th_prev_cell (m_char_buff, m_buff_tail, &the_cell, true);
}
exit_point:
return the_cell;
}
bool
SocketInstance::do_transaction (Transaction &trans, bool &ret)
{
int cmd = -1;
bool cont = false;
ret = false;
SCIM_DEBUG_IMENGINE(2) << " Do transaction:\n";
if (trans.get_command (cmd) && cmd == SCIM_TRANS_CMD_REPLY) {
while (trans.get_command (cmd)) {
switch (cmd) {
case SCIM_TRANS_CMD_SHOW_PREEDIT_STRING:
{
SCIM_DEBUG_IMENGINE(3) << " show_preedit_string ()\n";
show_preedit_string ();
break;
}
case SCIM_TRANS_CMD_SHOW_AUX_STRING:
{
SCIM_DEBUG_IMENGINE(3) << " show_aux_string ()\n";
show_aux_string ();
break;
}
case SCIM_TRANS_CMD_SHOW_LOOKUP_TABLE:
{
SCIM_DEBUG_IMENGINE(3) << " show_lookup_table ()\n";
show_lookup_table ();
break;
}
case SCIM_TRANS_CMD_HIDE_PREEDIT_STRING:
{
SCIM_DEBUG_IMENGINE(3) << " hide_preedit_string ()\n";
hide_preedit_string ();
break;
}
case SCIM_TRANS_CMD_HIDE_AUX_STRING:
{
SCIM_DEBUG_IMENGINE(3) << " hide_aux_string ()\n";
hide_aux_string ();
break;
}
case SCIM_TRANS_CMD_HIDE_LOOKUP_TABLE:
{
SCIM_DEBUG_IMENGINE(3) << " hide_lookup_table ()\n";
hide_lookup_table ();
break;
}
case SCIM_TRANS_CMD_UPDATE_PREEDIT_CARET:
{
uint32 caret;
if (trans.get_data (caret)) {
SCIM_DEBUG_IMENGINE(3) << " update_preedit_caret (" << caret << ")\n";
update_preedit_caret (caret);
}
break;
}
case SCIM_TRANS_CMD_UPDATE_PREEDIT_STRING:
{
WideString str;
AttributeList attrs;
if (trans.get_data (str) && trans.get_data (attrs)) {
SCIM_DEBUG_IMENGINE(3) << " update_preedit_string ()\n";
update_preedit_string (str, attrs);
}
break;
}
case SCIM_TRANS_CMD_UPDATE_AUX_STRING:
{
WideString str;
AttributeList attrs;
if (trans.get_data (str) && trans.get_data (attrs)) {
SCIM_DEBUG_IMENGINE(3) << " update_aux_string ()\n";
update_aux_string (str, attrs);
}
break;
}
case SCIM_TRANS_CMD_UPDATE_LOOKUP_TABLE:
{
CommonLookupTable table;
if (trans.get_data (table)) {
SCIM_DEBUG_IMENGINE(3) << " update_lookup_table ()\n";
update_lookup_table (table);
}
break;
}
case SCIM_TRANS_CMD_COMMIT_STRING:
{
WideString str;
if (trans.get_data (str)) {
SCIM_DEBUG_IMENGINE(3) << " commit_string ()\n";
commit_string (str);
}
break;
}
case SCIM_TRANS_CMD_FORWARD_KEY_EVENT:
{
KeyEvent key;
if (trans.get_data (key)) {
SCIM_DEBUG_IMENGINE(3) << " forward_key_event ()\n";
forward_key_event (key);
}
break;
}
case SCIM_TRANS_CMD_REGISTER_PROPERTIES:
{
PropertyList proplist;
if (trans.get_data (proplist)) {
SCIM_DEBUG_IMENGINE(3) << " register_properties ()\n";
// Load icon files of these properties from remote SocketFrontEnd.
for (PropertyList::iterator it = proplist.begin (); it != proplist.end (); ++it)
it->set_icon (global->load_icon (it->get_icon ()));
register_properties (proplist);
}
break;
}
case SCIM_TRANS_CMD_UPDATE_PROPERTY:
{
Property prop;
if (trans.get_data (prop)) {
SCIM_DEBUG_IMENGINE(3) << " update_property ()\n";
// Load the icon file of this property from remote SocketFrontEnd.
prop.set_icon (global->load_icon (prop.get_icon ()));
update_property (prop);
}
break;
}
case SCIM_TRANS_CMD_BEEP:
{
SCIM_DEBUG_IMENGINE(3) << " beep ()\n";
beep ();
break;
}
case SCIM_TRANS_CMD_START_HELPER:
{
String helper_uuid;
if (trans.get_data (helper_uuid)) {
SCIM_DEBUG_IMENGINE(3) << " start_helper (" << helper_uuid << ")\n";
start_helper (helper_uuid);
}
break;
}
case SCIM_TRANS_CMD_STOP_HELPER:
{
String helper_uuid;
if (trans.get_data (helper_uuid)) {
SCIM_DEBUG_IMENGINE(3) << " stop_helper (" << helper_uuid << ")\n";
stop_helper (helper_uuid);
}
break;
}
case SCIM_TRANS_CMD_SEND_HELPER_EVENT:
{
String helper_uuid;
Transaction temp_trans;
if (trans.get_data (helper_uuid) && trans.get_data (temp_trans)) {
SCIM_DEBUG_IMENGINE(3) << " send_helper_event (" << helper_uuid << ")\n";
send_helper_event (helper_uuid, temp_trans);
}
break;
}
case SCIM_TRANS_CMD_OK:
{
SCIM_DEBUG_IMENGINE(3) << " ret = true\n";
ret = true;
break;
}
case SCIM_TRANS_CMD_GET_SURROUNDING_TEXT:
{
WideString text;
int cursor;
uint32 maxlen_before;
uint32 maxlen_after;
Transaction temp_trans;
if (trans.get_data (maxlen_before) && trans.get_data (maxlen_after)) {
global->init_transaction (temp_trans);
if (get_surrounding_text (text, cursor, (int) maxlen_before, (int) maxlen_after)) {
temp_trans.put_command (SCIM_TRANS_CMD_GET_SURROUNDING_TEXT);
temp_trans.put_data (text);
temp_trans.put_data ((uint32) cursor);
} else {
temp_trans.put_command (SCIM_TRANS_CMD_FAIL);
}
global->send_transaction (temp_trans);
}
cont = true;
break;
}
case SCIM_TRANS_CMD_DELETE_SURROUNDING_TEXT:
{
uint32 offset;
uint32 len;
Transaction temp_trans;
if (trans.get_data (offset) && trans.get_data (len)) {
global->init_transaction (temp_trans);
if (delete_surrounding_text ((int) offset, (int) len)) {
temp_trans.put_command (SCIM_TRANS_CMD_DELETE_SURROUNDING_TEXT);
temp_trans.put_command (SCIM_TRANS_CMD_OK);
} else {
temp_trans.put_command (SCIM_TRANS_CMD_FAIL);
}
global->send_transaction (temp_trans);
}
cont = true;
break;
}
default:
SCIM_DEBUG_IMENGINE(3) << " Strange cmd: " << cmd << "\n";;
}
}
} else {
SCIM_DEBUG_IMENGINE(3) << " Failed to get cmd: " << cmd << "\n";
}
SCIM_DEBUG_IMENGINE(2) << " End of Do transaction\n";
return cont;
}
bool
FilterInstanceBase::filter_get_surrounding_text (WideString &text, int &cursor, int maxlen_before, int maxlen_after)
{
return get_surrounding_text (text, cursor, maxlen_before, maxlen_after);
}
