bool pop()
{
if (level_==0) {
return true;
}
prefix_ = prefix_.substr(0,prefix_.length()-1);
level_--;
update_candidates();
return false;
}
bool push_button(int key) {
crtrace trace("selector::push(): ");
lString8 old_prefix = prefix_;
prefix_.append(1,static_cast<char>(key));
if(update_candidates()) {
level_++;
return true;
}
prefix_ = old_prefix;
return false;
}
selector(LVDocView& docview, const TEncoding& encoding) :
words_(docview, encoding),
current_(0),
level_(0),
candidates_(),
prefix_(),
repeat_(0)
{
// init_keytable(keytable_);
update_candidates();
};
void
HangulInstance::select_candidate (unsigned int index)
{
SCIM_DEBUG_IMENGINE(2) << "select_candidate.\n";
if ((int)index >= m_lookup_table.get_current_page_size ())
return;
WideString candidate = m_lookup_table.get_candidate_in_current_page(index);
WideString commit_str = candidate;
WideString preedit = get_preedit_string();
if (is_hanja_mode() || m_factory->m_commit_by_word) {
// prefix method
int len = m_surrounding_text.length();
if (len > 0)
delete_surrounding_text(-len, len);
if (candidate.length() <= m_surrounding_text.length()) {
len = m_surrounding_text.length() - candidate.length();
commit_str.append(m_surrounding_text, candidate.length(), len);
m_surrounding_text.erase(0, candidate.length());
} else if (candidate.length() <= m_surrounding_text.length() + preedit.length()) {
len = candidate.length() - m_surrounding_text.length();
if (len > (int)m_preedit.length()) {
m_preedit.clear();
hangul_ic_reset(m_hic);
} else {
m_preedit.erase(0, len);
}
m_surrounding_text.clear();
} else {
m_preedit.clear();
hangul_ic_reset(m_hic);
m_surrounding_text.clear();
}
} else {
// suffix method
if (candidate.length() > preedit.length()) {
int len = candidate.length() - preedit.length();
delete_surrounding_text(-len, len);
}
hangul_ic_reset(m_hic);
m_surrounding_text.clear();
}
commit_string(commit_str);
hangul_update_preedit_string ();
if (is_hanja_mode()) {
update_candidates();
} else {
delete_candidates();
}
}
void
empathy_call_handler_bus_message (EmpathyCallHandler *handler,
GstBus *bus, GstMessage *message)
{
EmpathyCallHandlerPriv *priv = GET_PRIV (handler);
const GstStructure *s = gst_message_get_structure (message);
if (priv->tfchannel == NULL)
return;
if (s != NULL &&
gst_structure_has_name (s, "farsight-send-codec-changed"))
{
const GValue *val;
FsCodec *codec;
FsSession *session;
DEBUG ("farsight-send-codec-changed");
val = gst_structure_get_value (s, "codec");
codec = g_value_get_boxed (val);
val = gst_structure_get_value (s, "session");
session = g_value_get_object (val);
update_sending_codec (handler, codec, session);
}
else if (s != NULL &&
gst_structure_has_name (s, "farsight-recv-codecs-changed"))
{
const GValue *val;
GList *codecs;
FsStream *stream;
DEBUG ("farsight-recv-codecs-changed");
val = gst_structure_get_value (s, "codecs");
codecs = g_value_get_boxed (val);
val = gst_structure_get_value (s, "stream");
stream = g_value_get_object (val);
update_receiving_codec (handler, codecs, stream);
}
else if (s != NULL &&
gst_structure_has_name (s, "farsight-new-active-candidate-pair"))
{
const GValue *val;
FsCandidate *remote_candidate, *local_candidate;
FsStream *stream;
DEBUG ("farsight-new-active-candidate-pair");
val = gst_structure_get_value (s, "remote-candidate");
remote_candidate = g_value_get_boxed (val);
val = gst_structure_get_value (s, "local-candidate");
local_candidate = g_value_get_boxed (val);
val = gst_structure_get_value (s, "stream");
stream = g_value_get_object (val);
update_candidates (handler, remote_candidate, local_candidate, stream);
}
tf_channel_bus_message (priv->tfchannel, message);
}
bool
HangulInstance::process_key_event (const KeyEvent& rawkey)
{
SCIM_DEBUG_IMENGINE(1) << "process_key_event.\n";
KeyEvent key = rawkey.map_to_layout(SCIM_KEYBOARD_Default);
m_prev_key = key;
if (use_ascii_mode() && !is_hangul_mode()) {
if (is_hangul_key(key)) {
toggle_hangul_mode();
return true;
}
return false;
}
/* ignore key release. */
if (key.is_key_release ())
return false;
/* mode change */
if (use_ascii_mode() && is_hangul_key(key)) {
toggle_hangul_mode();
return true;
}
/* hanja mode */
if (is_hanja_mode_key (key)) {
toggle_hanja_mode();
}
/* toggle candidate table */
if (is_hanja_key (key)) {
if (is_hanja_mode()) {
update_candidates ();
} else {
if (m_lookup_table.number_of_candidates ())
delete_candidates ();
else
update_candidates ();
}
return true;
}
/* ignore shift keys */
if (key.code == SCIM_KEY_Shift_L || key.code == SCIM_KEY_Shift_R)
return false;
/* flush on modifier-on keys */
if (key.is_control_down() || key.is_alt_down()) {
flush ();
return false;
}
/* candidate keys */
if (m_lookup_table.number_of_candidates ()) {
if (candidate_key_event(key))
return true;
}
/* change to ascii mode on ESCAPE key, for vi users.
* We should process this key after processing candidate keys,
* or input mode will be changed to non-hangul mode when the user presses
* escape key to close candidate window. */
if (use_ascii_mode() && !is_hanja_mode()) {
if (key.code == SCIM_KEY_Escape) {
toggle_hangul_mode();
}
}
/* backspace */
if (is_backspace_key(key)) {
bool ret = hangul_ic_backspace(m_hic);
if (ret) {
hangul_update_preedit_string ();
} else if (m_preedit.length() > 0) {
ret = true;
m_preedit.erase(m_preedit.length() - 1, 1);
hangul_update_preedit_string();
} else {
if (m_surrounding_text.length() > 0) {
m_surrounding_text.erase(m_surrounding_text.length() - 1, 1);
if (m_surrounding_text.empty()) {
delete_candidates();
return ret;
}
}
}
if (is_hanja_mode() && m_lookup_table.number_of_candidates()) {
update_candidates();
}
return ret;
}
if (key.code >= SCIM_KEY_exclam && key.code <= SCIM_KEY_asciitilde) {
/* main hangul composing process */
int ascii = key.get_ascii_code();
if (key.is_caps_lock_down()) {
if (isupper(ascii))
ascii = tolower(ascii);
else if (islower(ascii))
ascii = toupper(ascii);
}
bool ret = hangul_ic_process(m_hic, ascii);
WideString wstr;
wstr = get_commit_string ();
if (wstr.length ()) {
/* Before commit, we set preedit string to null to work arround
* some buggy IM implementation, ex) Qt, Evolution */
hide_preedit_string ();
if (is_hanja_mode() || m_factory->m_commit_by_word) {
m_preedit += wstr;
} else {
commit_string(wstr);
}
}
if (is_hanja_mode() || m_factory->m_commit_by_word) {
if (hangul_ic_is_empty(m_hic)) {
flush();
}
}
hangul_update_preedit_string ();
if (is_hanja_mode()) {
update_candidates();
}
return ret;
}
flush();
return false;
}
