Exemplo n.º 1
0
static void
on_get_surrounding_text (MInputContext *context,
                         MSymbol        command)
{
  g_debug (G_STRLOC ": %s", G_STRFUNC);

  NimfM17n *m17n = context->arg;

  if (!NIMF_IS_M17N (m17n) || !nimf_service_im_target)
    return;

  gchar *text;
  gint   cursor_pos, nchars, nbytes;
  MText *mt, *surround = NULL;
  int    len, pos;

  nimf_engine_get_surrounding (NIMF_ENGINE (m17n),
                               nimf_service_im_target,
                               &text,
                               &cursor_pos);
  if (text == NULL)
    return;

  nchars = g_utf8_strlen (text, -1);
  nbytes = strlen (text);

  mt = mconv_decode_buffer (Mcoding_utf_8,
                            (const unsigned char *) text, nbytes);
  g_free (text);

  len = (long) mplist_value (m17n->ic->plist);

  if (len < 0)
  {
    pos = cursor_pos + len;

    if (pos < 0)
      pos = 0;

    surround = mtext_duplicate (mt, pos, cursor_pos);
  }
  else if (len > 0)
  {
    pos = cursor_pos + len;

    if (pos > nchars)
      pos = nchars;

    surround = mtext_duplicate (mt, cursor_pos, pos);
  }

  if (!surround)
    surround = mtext ();

  m17n_object_unref (mt);
  mplist_set (m17n->ic->plist, Mtext, surround);
  m17n_object_unref (surround);
}
Exemplo n.º 2
0
static void
ibus_m17n_engine_callback (MInputContext *context,
                           MSymbol        command)
{
    IBusM17NEngine *m17n = NULL;

    m17n = context->arg;
    g_return_if_fail (m17n != NULL);

    /* the callback may be called in minput_create_ic, in the time
     * m17n->context has not be assigned, so need assign it. */
    if (m17n->context == NULL) {
        m17n->context = context;
    }

    if (command == Minput_preedit_start) {
        ibus_engine_hide_preedit_text ((IBusEngine *)m17n);
    }
    else if (command == Minput_preedit_draw) {
        ibus_m17n_engine_update_preedit (m17n);
    }
    else if (command == Minput_preedit_done) {
        ibus_engine_hide_preedit_text ((IBusEngine *)m17n);
    }
    else if (command == Minput_status_start) {
        ibus_engine_hide_preedit_text ((IBusEngine *)m17n);
    }
    else if (command == Minput_status_draw) {
        gchar *status;
        status = ibus_m17n_mtext_to_utf8 (m17n->context->status);

        if (status && strlen (status)) {
            IBusText *text;
            text = ibus_text_new_from_string (status);
            ibus_property_set_label (m17n->status_prop, text);
            ibus_property_set_visible (m17n->status_prop, TRUE);
        }
        else {
            ibus_property_set_label (m17n->status_prop, NULL);
            ibus_property_set_visible (m17n->status_prop, FALSE);
        }

        ibus_engine_update_property ((IBusEngine *)m17n, m17n->status_prop);
        g_free (status);
    }
    else if (command == Minput_status_done) {
    }
    else if (command == Minput_candidates_start) {
        ibus_engine_hide_lookup_table ((IBusEngine *) m17n);
        ibus_engine_hide_auxiliary_text ((IBusEngine *) m17n);
    }
    else if (command == Minput_candidates_draw) {
        ibus_m17n_engine_update_lookup_table (m17n);
    }
    else if (command == Minput_candidates_done) {
        ibus_engine_hide_lookup_table ((IBusEngine *) m17n);
        ibus_engine_hide_auxiliary_text ((IBusEngine *) m17n);
    }
    else if (command == Minput_set_spot) {
    }
    else if (command == Minput_toggle) {
    }
    else if (command == Minput_reset) {
    }
    /* ibus_engine_get_surrounding_text is only available in the current
       git master (1.3.99+) */
#ifdef HAVE_IBUS_ENGINE_GET_SURROUNDING_TEXT
    else if (command == Minput_get_surrounding_text &&
             (((IBusEngine *) m17n)->client_capabilities &
              IBUS_CAP_SURROUNDING_TEXT) != 0) {
        IBusText *text;
        guint cursor_pos, nchars, nbytes;
        MText *mt, *surround;
        int len, pos;

        ibus_engine_get_surrounding_text ((IBusEngine *) m17n,
                                          &text,
                                          &cursor_pos);
        nchars = ibus_text_get_length (text);
        nbytes = g_utf8_offset_to_pointer (text->text, nchars) - text->text;
        mt = mconv_decode_buffer (Mcoding_utf_8, text->text, nbytes);
        g_object_unref (text);

        len = (long) mplist_value (m17n->context->plist);
        if (len < 0) {
            pos = cursor_pos + len;
            if (pos < 0)
                pos = 0;
            surround = mtext_duplicate (mt, pos, cursor_pos);
        }
        else if (len > 0) {
            pos = cursor_pos + len;
            if (pos > nchars)
                pos = nchars;
            surround = mtext_duplicate (mt, cursor_pos, pos);
        }
        else {
            surround = mtext ();
        }
        m17n_object_unref (mt);
        mplist_set (m17n->context->plist, Mtext, surround);
        m17n_object_unref (surround);
    }
#endif  /* !HAVE_IBUS_ENGINE_GET_SURROUNDING_TEXT */
    else if (command == Minput_delete_surrounding_text &&
             (((IBusEngine *) m17n)->client_capabilities &
              IBUS_CAP_SURROUNDING_TEXT) != 0) {
        int len;

        len = (long) mplist_value (m17n->context->plist);
        if (len < 0)
            ibus_engine_delete_surrounding_text ((IBusEngine *) m17n,
                                                 len, -len);
        else if (len > 0)
            ibus_engine_delete_surrounding_text ((IBusEngine *) m17n,
                                                 0, len);
    }
}