IBusText *decorate_pre_edit(IBusChewingPreEdit * icPreEdit,
IBusCapabilite capabilite)
{
gchar *preEdit = ibus_chewing_pre_edit_get_pre_edit(icPreEdit);
IBusText *iText =
g_object_ref_sink(ibus_text_new_from_string(preEdit));
gint chiSymbolCursor = chewing_cursor_Current(icPreEdit->context);
IBUS_CHEWING_LOG(DEBUG,
"decorate_pre_edit() cursor=%d preEdit=%s",
chiSymbolCursor, preEdit);
gint charLen = (gint) g_utf8_strlen(preEdit, -1);
gint cursorRight = chiSymbolCursor + icPreEdit->bpmfLen;
IBUS_CHEWING_LOG(DEBUG,
"decorate_pre_edit() charLen=%d cursorRight=%d",
charLen, cursorRight);
IntervalType it;
chewing_interval_Enumerate(icPreEdit->context);
/* Add double lines on chewing interval that contains cursor */
/* Add single line on other chewing interval */
while (chewing_interval_hasNext(icPreEdit->context)) {
chewing_interval_Get(icPreEdit->context, &it);
if (it.from <= chiSymbolCursor && chiSymbolCursor <= it.to) {
ibus_text_append_attribute(iText,
IBUS_ATTR_TYPE_UNDERLINE,
IBUS_ATTR_UNDERLINE_DOUBLE,
it.from, it.to + 1);
} else {
ibus_text_append_attribute(iText,
IBUS_ATTR_TYPE_UNDERLINE,
IBUS_ATTR_UNDERLINE_SINGLE,
it.from, it.to + 1);
}
}
if (!mkdg_has_flag(capabilite, IBUS_CAP_SURROUNDING_TEXT)
|| !mkdg_has_flag(capabilite, IBUS_CAP_AUXILIARY_TEXT)) {
/* Cannot change color when if the client is not capable
* of showing surrounding text or auxiliary text
*/
return iText;
}
/* Show current cursor in red */
ibus_text_append_attribute(iText, IBUS_ATTR_TYPE_BACKGROUND,
0x00ff0000, chiSymbolCursor,
chiSymbolCursor + 1);
return iText;
}
static void
ibus_hangul_engine_update_preedit_text (IBusHangulEngine *hangul)
{
const ucschar *hic_preedit;
IBusText *text;
UString *preedit;
gint preedit_len;
// ibus-hangul's preedit string is made up of ibus context's
// internal preedit string and libhangul's preedit string.
// libhangul only supports one syllable preedit string.
// In order to make longer preedit string, ibus-hangul maintains
// internal preedit string.
hic_preedit = hangul_ic_get_preedit_string (hangul->context);
preedit = ustring_dup (hangul->preedit);
preedit_len = ustring_length(preedit);
ustring_append_ucs4 (preedit, hic_preedit, -1);
if (ustring_length(preedit) > 0) {
IBusPreeditFocusMode preedit_option = IBUS_ENGINE_PREEDIT_COMMIT;
if (hangul->hanja_list != NULL)
preedit_option = IBUS_ENGINE_PREEDIT_CLEAR;
text = ibus_text_new_from_ucs4 ((gunichar*)preedit->data);
// ibus-hangul's internal preedit string
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_UNDERLINE,
IBUS_ATTR_UNDERLINE_SINGLE, 0, preedit_len);
// Preedit string from libhangul context.
// This is currently composing syllable.
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_FOREGROUND,
0x00ffffff, preedit_len, -1);
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_BACKGROUND,
0x00000000, preedit_len, -1);
ibus_engine_update_preedit_text_with_mode ((IBusEngine *)hangul,
text,
ibus_text_get_length (text),
TRUE,
preedit_option);
} else {
text = ibus_text_new_from_static_string ("");
ibus_engine_update_preedit_text ((IBusEngine *)hangul, text, 0, FALSE);
}
ustring_delete(preedit);
}
static void ibus_unikey_engine_update_preedit_string(IBusEngine *engine, const gchar *string, gboolean visible)
{
IBusText *text;
text = ibus_text_new_from_static_string(string);
// underline text
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_UNDERLINE, IBUS_ATTR_UNDERLINE_SINGLE, 0, -1);
// update and display text
ibus_engine_update_preedit_text_with_mode(engine, text, ibus_text_get_length(text), visible, IBUS_ENGINE_PREEDIT_COMMIT);
}
static void
ibus_m17n_engine_update_preedit (IBusM17NEngine *m17n)
{
IBusText *text;
gchar *buf;
IBusM17NEngineClass *klass = (IBusM17NEngineClass *) G_OBJECT_GET_CLASS (m17n);
buf = ibus_m17n_mtext_to_utf8 (m17n->context->preedit);
if (buf) {
text = ibus_text_new_from_static_string (buf);
if (klass->preedit_foreground != INVALID_COLOR)
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_FOREGROUND,
klass->preedit_foreground, 0, -1);
if (klass->preedit_background != INVALID_COLOR)
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_BACKGROUND,
klass->preedit_background, 0, -1);
ibus_text_append_attribute (text, IBUS_ATTR_TYPE_UNDERLINE,
klass->preedit_underline, 0, -1);
ibus_engine_update_preedit_text ((IBusEngine *) m17n,
text,
m17n->context->cursor_pos,
mtext_len (m17n->context->preedit) > 0);
}
}
static void ibus_unikey_engine_update_preedit_string(IBusEngine *engine, const gchar *string, gboolean visible)
{
IBusText *text;
text = ibus_text_new_from_static_string(string);
// underline text
ibus_text_append_attribute(text, IBUS_ATTR_TYPE_UNDERLINE, IBUS_ATTR_UNDERLINE_SINGLE, 0, -1);
// update and display text
ibus_engine_update_preedit_text(engine, text, ibus_text_get_length(text), visible);
// every time have preedit text -> unlock mutex -> start capture mouse
if (unikey->mouse_capture)
{
// unlock capture thread (start capture)
pthread_mutex_unlock(&mutex_mcap);
}
}