void
ArrayInstance::space_key_press()
{
// space is the page down key when keying symbols and phrases
if (m_lookup_table.number_of_candidates() > m_lookup_table.get_page_size())
{
lookup_table_page_down();
return;
}
WideString inkey = m_preedit_string;
// If the user is already press the space before,
// commit the first candidate in the lookup table
if (commit_press_count == 1)
{
WideString str = m_lookup_table.get_candidate_in_current_page (0);
if (str.compare(utf8_mbstowcs(SCIM_ARRAY_EMPTY_CHAR)) == 0) {
hide_lookup_table();
return;
}
if (str.length()) {
send_commit_string(inkey, str);
return;
}
}
create_lookup_table(_ScimArray::Array_Table);
update_lookup_table(m_lookup_table);
if (m_lookup_table.number_of_candidates() > 1)
{
show_lookup_table();
commit_press_count++;
return;
}
hide_lookup_table();
WideString str = m_lookup_table.get_candidate_in_current_page (0);
if (str.length() && str.compare(utf8_mbstowcs(SCIM_ARRAY_EMPTY_CHAR))) {
send_commit_string(inkey, str);
return;
}
}
bool
ArrayInstance::process_key_event (const KeyEvent& rawkey)
{
KeyEvent key = rawkey.map_to_layout(SCIM_KEYBOARD_Default);
if (key.is_key_release ()) return false;
// English/Chinese change mode key
if ( match_key_event(m_factory->m_ench_key, key))
{
trigger_property(SCIM_PROP_STATUS);
return true;
}
// Full/Half width chang mode key
if ( match_key_event(m_factory->m_full_half_key, key))
{
trigger_property(SCIM_PROP_LETTER);
return true;
}
// if in forward mode
if (m_forward)
{
if ( key.code >= SCIM_KEY_space && key.code <= SCIM_KEY_asciitilde)
{
if (m_full_width_letter)
{
char widthc = key.get_ascii_code();
WideString outws;
outws.push_back(scim_wchar_to_full_width(widthc));
commit_string(outws);
return true;
}
else
return false;
}
else
return false;
}
//reset key
if (key.code == SCIM_KEY_Escape && key.mask == 0) {
// Do not catch ESC while no key input for VI users
if (m_preedit_string.size() == 0)
return false;
reset ();
return true;
}
//delete key
if (key.code == SCIM_KEY_BackSpace && key.mask == 0 &&
m_preedit_string.size () != 0)
{
m_preedit_string.erase (m_preedit_string.length () - 1, 1);
pre_update_preedit_string (m_preedit_string);
process_preedit_string ();
commit_press_count = 0; // reset to 0 to avoid output error
return true;
}
// valid keys
if (((key.code >= SCIM_KEY_a && key.code <= SCIM_KEY_z) ||
(key.code == SCIM_KEY_comma) || (key.code == SCIM_KEY_period) ||
(key.code == SCIM_KEY_semicolon) || (key.code == SCIM_KEY_slash))
&&
(key.mask == 0))
{
if (m_preedit_string.length () >= m_max_preedit_len)
return true;
if (commit_press_count == 1)
{
WideString str = m_lookup_table.get_candidate_in_current_page (0);
if (str.length() && str.compare(utf8_mbstowcs(SCIM_ARRAY_EMPTY_CHAR)) != 0 ) {
send_commit_string(m_preedit_string,
m_lookup_table.get_candidate_in_current_page(0));
}
else
reset();
}
if (m_preedit_string.length () == 0)
{
hide_aux_string ();
show_preedit_string ();
}
ucs4_t ascii = (ucs4_t) tolower (key.get_ascii_code ());
m_preedit_string.push_back (ascii);
pre_update_preedit_string (m_preedit_string);
process_preedit_string ();
return true;
}
// apostrophe key for end of phrases
if (m_use_phrases && key.code == SCIM_KEY_apostrophe
&& m_preedit_string.length())
{
phrase_key_press();
return true;
}
// wildcard keys
if (key.code == SCIM_KEY_question || key.code == SCIM_KEY_asterisk)
{
hide_lookup_table();
ucs4_t ascii = (ucs4_t) tolower (key.get_ascii_code ());
m_preedit_string.push_back (ascii);
pre_update_preedit_string (m_preedit_string);
process_preedit_string ();
return true;
}
// selection keys
if (key.code >= SCIM_KEY_0 && key.code <= SCIM_KEY_9)
{
if (!m_preedit_string.length())
return false;
WideString inkey = m_preedit_string;
// key "w" to enable the symbol input
if (m_preedit_string.compare(utf8_mbstowcs("w")) == 0)
{
ucs4_t ascii = (ucs4_t) tolower (key.get_ascii_code ());
m_preedit_string.push_back (ascii);
pre_update_preedit_string (m_preedit_string);
process_symbol_preedit_string ();
return true;
}
int selectnum = (int)(key.get_ascii_code() - '0' - 1);
if (selectnum < 0)
selectnum = 9;
WideString cmtstr = m_lookup_table.get_candidate_in_current_page(selectnum);
if (cmtstr.length() && cmtstr.compare(utf8_mbstowcs(SCIM_ARRAY_EMPTY_CHAR)) != 0)
{
send_commit_string(inkey, cmtstr);
return true;
}
else
{
return true;
}
}
// commit key
if (key.code == SCIM_KEY_space && key.mask == 0 && m_preedit_string.length ())
{
space_key_press();
return true;
}
//page up key.
if (key.code == SCIM_KEY_Page_Up && key.mask == 0)
lookup_table_page_up ();
//page down key.
if (key.code == SCIM_KEY_Page_Down && key.mask == 0)
lookup_table_page_down ();
//other keys is not allowed when preediting
if (m_preedit_string.length ())
return true;
//other keys wiil be send out if the Full width mode on
if ( (key.code >= SCIM_KEY_space && key.code <= SCIM_KEY_asciitilde) && (key.mask == 0 || key.is_shift_down()))
{
WideString outws;
char widthc = key.get_ascii_code();
if (widthc >= 'A' && widthc <= 'Z')
if (!key.is_caps_lock_down())
widthc = widthc - 'A' + 'a';
if (m_full_width_letter)
outws.push_back(scim_wchar_to_full_width(widthc));
else
outws.push_back(widthc);
commit_string(outws);
return true;
}
return false;
}
