INPUT_RETURN_VALUE FcitxThaiDoInput(void* arg, FcitxKeySym sym, unsigned int state)
{
FcitxThai* thai = (FcitxThai*) arg;
struct thcell_t context_cell;
struct thinpconv_t conv;
tischar_t new_char;
if ((state & (FcitxKeyState_Ctrl | FcitxKeyState_Alt))
|| is_context_lost_key(sym)) {
FcitxThaiForgetPrevChars(thai);
return IRV_TO_PROCESS;
}
if (is_context_intact_key(sym)) {
return IRV_TO_PROCESS;
}
new_char = keyval_to_tis(thai->config.kb_map, sym);
if (0 == new_char)
return IRV_TO_PROCESS;
/* No correction -> just reject or commit */
if (!thai->config.do_correct) {
thchar_t prev_char = FcitxThaiGetPrevChar(thai);
if (!th_isaccept(prev_char, new_char, thai->config.isc_mode))
goto reject_char;
return FcitxThaiCommitChars(thai, &new_char, 1);
}
FcitxThaiGetPrevCell(thai, &context_cell);
if (!th_validate_leveled(context_cell, new_char, &conv,
thai->config.isc_mode)) {
goto reject_char;
}
if (conv.offset < 0) {
FcitxInputContext* ic = FcitxInstanceGetCurrentIC(thai->owner);
/* Can't correct context, just fall back to rejection */
if (!(ic->contextCaps & CAPACITY_SURROUNDING_TEXT))
goto reject_char;
FcitxInstanceDeleteSurroundingText(thai->owner, ic, conv.offset, -conv.offset);
}
FcitxThaiForgetPrevChars(thai);
FcitxThaiRememberPrevChars(thai, new_char);
return FcitxThaiCommitChars(thai, conv.conv, strlen((char*)conv.conv));
reject_char:
/* gdk_beep (); */
return true;
}
static gboolean
lx_tn_engine_process_key_event (LxIEngine *lx_iengine,
IBusEngine *ibus_engine,
guint keyval,
guint keycode,
guint modifiers)
{
LxTNEngine *lx_tn_engine = LX_TN_ENGINE (lx_iengine);
gint shift_lv;
gunichar new_char, prev_char;
LxTNImAction action;
if (modifiers & IBUS_RELEASE_MASK)
return FALSE;
if (modifiers & (IBUS_CONTROL_MASK | IBUS_MOD1_MASK))
return FALSE;
if (is_context_lost_key (keyval))
return FALSE;
if (0 == keyval || is_context_intact_key (keyval))
return FALSE;
shift_lv = !(modifiers & (IBUS_SHIFT_MASK | IBUS_MOD5_MASK)) ? 0
: ((modifiers & IBUS_MOD5_MASK) ? 2 : 1);
new_char = lx_tn_map_keycode (keycode, shift_lv);
if (0 == new_char)
return FALSE;
if (lx_tn_engine_convert_seq (lx_tn_engine, ibus_engine, new_char))
return TRUE;
prev_char = lx_tn_engine_get_prev_surrounding_char (lx_tn_engine,
ibus_engine);
action = lx_tn_im_action (prev_char, new_char);
switch (lx_tn_engine->isc_mode)
{
case ISC_PASSTHROUGH:
if (NA_R == action || NA_S == action)
action = NA_A;
break;
case ISC_STRICT:
if (NA_S == action)
action = NA_R;
break;
case ISC_BASIC:
default:
if (NA_S == action)
action = NA_A;
break;
}
switch (action)
{
case NA_A:
if (!lx_tn_engine_commit_char (lx_tn_engine, ibus_engine, new_char))
goto reject_char;
break;
case NA_R:
case NA_S:
goto reject_char;
default:
/* shouldn't reach here! */
break;
}
return TRUE;
reject_char:
/* gdk_beep() */
return TRUE;
}