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; }