int SLsmg_init_smg (void)
{
int ret;
BLOCK_SIGNALS;
if (tt_Screen_Rows == NULL)
init_tt_symbols ();
if (Smg_Inited)
SLsmg_reset_smg ();
if (UTF8_Mode == -1)
(void) SLsmg_utf8_enable (-1);
if (-1 == (*tt_init_video) ())
{
UNBLOCK_SIGNALS;
return -1;
}
if (-1 == (ret = init_smg ()))
(void) (*tt_reset_video)();
UNBLOCK_SIGNALS;
return ret;
}
static int slang_init_graphics(caca_display_t *dp)
{
dp->drv.p = malloc(sizeof(struct driver_private));
dp->drv.p->sigint_event = 0;
#if defined(HAVE_GETENV) && defined(HAVE_PUTENV)
slang_install_terminal(dp);
#endif
#if defined(HAVE_SIGNAL)
sigwinch_d = dp;
signal(SIGWINCH, sigwinch_handler);
#endif
_caca_set_term_title("caca for S-Lang");
/* Initialise slang library */
SLsig_block_signals();
/* Disable SLang's own SIGINT on ctrl-c */
SLang_set_abort_signal(default_sigint);
SLtt_get_terminfo();
if(SLkp_init() == -1)
{
SLsig_unblock_signals();
return -1;
}
SLang_init_tty(-1, 0, 1);
if(SLsmg_init_smg() == -1)
{
SLsig_unblock_signals();
return -1;
}
SLsmg_cls();
SLtt_set_cursor_visibility(0);
SLkp_define_keysym("\e[M", 1001);
SLtt_set_mouse_mode(1, 0);
SLsmg_refresh();
/* Disable scrolling so that hashmap scrolling optimization code
* does not cause ugly refreshes due to slow terminals */
SLtt_Term_Cannot_Scroll = 1;
slang_init_palette();
#if defined(VMS) || defined(REAL_UNIX_SYSTEM)
/* Disable alt charset support so that we get a chance to have all
* 256 colour pairs */
SLtt_Has_Alt_Charset = 0;
#endif
#ifdef HAVE_SLSMG_UTF8_ENABLE
SLsmg_utf8_enable(1); /* 1 == force, 0 == disable, -1 == autodetect */
SLtt_utf8_enable(1);
#endif
caca_add_dirty_rect(dp->cv, 0, 0, dp->cv->width, dp->cv->height);
dp->resize.allow = 1;
caca_set_canvas_size(dp->cv, SLtt_Screen_Cols, SLtt_Screen_Rows);
dp->resize.allow = 0;
SLsig_unblock_signals();
return 0;
}
