void
HangulInstance::update_candidates ()
{
m_lookup_table.clear ();
m_candidate_comments.clear ();
HanjaList* list = NULL;
// search for symbol character
// key string for symbol character is like:
// 'ㄱ', 'ㄴ', 'ㄷ', etc
WideString preeditw = get_preedit_string();
if (preeditw.length() == 1) {
String key = utf8_wcstombs(preeditw);
list = hanja_table_match_suffix(m_factory->m_symbol_table, key.c_str());
}
// search for hanja
if (list == NULL) {
String str = get_candidate_string();
SCIM_DEBUG_IMENGINE(1) << "candidate string: " << str << "\n";
if (str.length() > 0) {
if (is_hanja_mode() || m_factory->m_commit_by_word) {
list = hanja_table_match_prefix(m_factory->m_hanja_table,
str.c_str());
} else {
list = hanja_table_match_suffix(m_factory->m_hanja_table,
str.c_str());
}
}
}
if (list != NULL) {
int n = hanja_list_get_size(list);
for (int i = 0; i < n; ++i) {
const char* value = hanja_list_get_nth_value(list, i);
const char* comment = hanja_list_get_nth_comment(list, i);
WideString candidate = utf8_mbstowcs(value, -1);
m_lookup_table.append_candidate(candidate);
m_candidate_comments.push_back(String(comment));
}
m_lookup_table.set_page_size (9);
m_lookup_table.show_cursor ();
update_lookup_table (m_lookup_table);
show_lookup_table ();
hangul_update_aux_string ();
hanja_list_delete(list);
}
if (m_lookup_table.number_of_candidates() <= 0) {
delete_candidates();
}
}
void
HangulInstance::lookup_table_page_up ()
{
if (!m_lookup_table.number_of_candidates () || !m_lookup_table.get_current_page_start ())
return;
SCIM_DEBUG_IMENGINE(2) << "lookup_table_page_up.\n";
m_lookup_table.page_up ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
}
void
HangulInstance::lookup_table_page_down ()
{
if (m_lookup_table.number_of_candidates () <= 0 ||
m_lookup_table.get_current_page_start () + m_lookup_table.get_current_page_size () >=
(int)m_lookup_table.number_of_candidates ())
return;
SCIM_DEBUG_IMENGINE(2) << "lookup_table_page_down.\n";
m_lookup_table.page_down ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
}
void
HangulInstance::focus_in ()
{
SCIM_DEBUG_IMENGINE(2) << "focus_in.\n";
register_all_properties();
if (m_lookup_table.number_of_candidates ()) {
update_lookup_table (m_lookup_table);
show_lookup_table ();
} else {
hide_lookup_table ();
}
hangul_update_aux_string ();
}
void
HangulInstance::focus_in ()
{
SCIM_DEBUG_IMENGINE(2) << "focus_in.\n";
register_all_properties();
hangul_ic_select_keyboard(m_hic, m_factory->m_keyboard_layout.c_str());
if (m_lookup_table.number_of_candidates ()) {
update_lookup_table (m_lookup_table);
show_lookup_table ();
} else {
hide_lookup_table ();
}
hangul_update_aux_string ();
}
bool
HangulInstance::candidate_key_event (const KeyEvent &key)
{
switch (key.code) {
case SCIM_KEY_Return:
case SCIM_KEY_KP_Enter:
select_candidate (m_lookup_table.get_cursor_pos_in_current_page ());
break;
case SCIM_KEY_KP_Subtract:
m_lookup_table.cursor_up ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
break;
case SCIM_KEY_space:
if (is_hanja_mode())
return false;
case SCIM_KEY_KP_Add:
m_lookup_table.cursor_down ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
break;
case SCIM_KEY_Page_Up:
lookup_table_page_up();
break;
case SCIM_KEY_Page_Down:
case SCIM_KEY_KP_Tab:
lookup_table_page_down();
break;
case SCIM_KEY_h:
if (is_hanja_mode())
return false;
case SCIM_KEY_Left:
if (m_factory->m_lookup_table_vertical) {
lookup_table_page_up();
} else {
m_lookup_table.cursor_up ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
}
break;
case SCIM_KEY_l:
if (is_hanja_mode())
return false;
case SCIM_KEY_Right:
if (m_factory->m_lookup_table_vertical) {
lookup_table_page_down();
} else {
m_lookup_table.cursor_down ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
}
break;
case SCIM_KEY_k:
if (is_hanja_mode())
return false;
case SCIM_KEY_Up:
if (m_factory->m_lookup_table_vertical) {
m_lookup_table.cursor_up ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
} else {
lookup_table_page_up();
}
break;
case SCIM_KEY_j:
if (is_hanja_mode())
return false;
case SCIM_KEY_Down:
if (m_factory->m_lookup_table_vertical) {
m_lookup_table.cursor_down ();
update_lookup_table (m_lookup_table);
hangul_update_aux_string ();
} else {
lookup_table_page_down();
}
break;
case SCIM_KEY_Escape:
delete_candidates ();
break;
case SCIM_KEY_1:
case SCIM_KEY_2:
case SCIM_KEY_3:
case SCIM_KEY_4:
case SCIM_KEY_5:
case SCIM_KEY_6:
case SCIM_KEY_7:
case SCIM_KEY_8:
case SCIM_KEY_9:
select_candidate (key.code - SCIM_KEY_1);
break;
default:
return !is_hanja_mode();
}
return true;
}