void SlwReadline::set_parser(parser_t pars) {
switch(pars) {
case DEFAULT:
parser = DEFAULT;
SLtt_set_cursor_visibility(0);
break;
case COMMANDLINE:
parser = COMMANDLINE;
SLtt_set_cursor_visibility(1);
break;
case MOVELAYER:
::notice("move layer with arrows, press enter when done");
::act("use arrow keys to move, or keypad numbers");
::act("+ and - zoom, < and > rotate");
::act(", stop rotation . stop zoom and <space> to center");
::act("press <enter> when you are done");
parser = MOVELAYER;
SLtt_set_cursor_visibility(0);
break;
default:
error("unknown parser for readline");
break;
}
}
bool SLangConsole::refresh() {
/* S-Lang says:
* All well behaved applications should block signals that
* may affect the display while performing screen update. */
SLsig_block_signals ();
if(screen_size_changed && !keyboard_quit) {
SLtt_get_screen_size ();
SLsmg_reinit_smg ();
this->w = SLtt_Screen_Cols;
this->h = SLtt_Screen_Rows;
screen_size_changed = false;
// refresh all widgets
SLangWidget *wid;
wid = (SLangWidget*) widgets.begin();
while(wid) {
wid->refresh();
wid = (SLangWidget*) wid->next;
}
}
if(focused && !keyboard_quit)
if(focused->cursor) {
SLtt_set_cursor_visibility(1);
focused->gotoxy( focused->cur_x, focused->cur_y);
} else
SLtt_set_cursor_visibility(0);
SLsmg_refresh();
SLsig_unblock_signals();
if(keyboard_quit) {
func("keyboard requested forced quit");
return false;
}
return true;
}
void ui__exit(bool wait_for_ok)
{
if (wait_for_ok)
ui__question_window("Fatal Error",
ui_helpline__last_msg,
"Press any key...", 0);
SLtt_set_cursor_visibility(1);
SLsmg_refresh();
SLsmg_reset_smg();
SLang_reset_tty();
perf_error__unregister(&perf_tui_eops);
}
static int slang_end_graphics(caca_display_t *dp)
{
_caca_set_term_title("");
SLtt_set_mouse_mode(0, 0);
SLtt_set_cursor_visibility(1);
SLang_reset_tty();
SLsig_block_signals();
SLsmg_reset_smg();
SLsig_unblock_signals();
#if defined HAVE_GETENV && defined HAVE_PUTENV
slang_uninstall_terminal(dp);
#endif
free(dp->drv.p);
return 0;
}
void init_disp_state() {
int i;
/* initialize the display state */
disp.first_visible = 0;
disp.highlighted = 0;
SLtt_set_color(0, NULL, "lightgray", "default");
SLtt_set_color(1, NULL, "black", "lightgray");
SLtt_set_color(2, NULL, "lightgray", "blue");
SLtt_set_color(3, NULL, "red", "blue");
SLtt_set_cursor_visibility(0);
for(i = 0; i < 10; i++) {
disp.fkey_cmd[i] = NULL;
}
load_rc_file();
}
/* make sure to call free on the returned string once no longer needed */
char *get_input_line(char *title, char *prefill) {
#if (SLANG_VERSION >= 20000) /* libslang2 */
char *s = NULL;
char *buf;
unsigned int len = 0;
SLrline_Type *rli;
rli = SLrline_open(SLtt_Screen_Cols, SL_RLINE_BLINK_MATCH);
if( rli ) {
SLtt_set_cursor_visibility(1);
SLsmg_normal_video();
len = 255;
rline_update(NULL, len, strlen(title));
buf = SLrline_read_line(rli, title, &len);
if( buf ) {
s = strdup(buf);
add_history(s);
}
SLfree(buf);
SLtt_set_cursor_visibility(0);
}
#else /* libslang1 */
char *s;
SLang_RLine_Info_Type *rli;
s = malloc(256 * sizeof(char));
if( s ) {
rli = (SLang_RLine_Info_Type *)malloc(sizeof(SLang_RLine_Info_Type));
if( rli ) {
memset(rli, 0, sizeof(SLang_RLine_Info_Type));
rli->buf = (unsigned char *)s; /* buf is unsigned */
rli->buf_len = 255;
rli->tab = 8;
rli->dhscroll = 5;
rli->getkey = SLang_getkey;
rli->tt_goto_column = NULL;
rli->update_hook = rline_update;
rli->flags |= SL_RLINE_BLINK_MATCH;
rli->input_pending = SLang_input_pending;
SLang_init_readline(rli);
rli->edit_width = SLtt_Screen_Cols - 1;
rli->prompt = title;
/* now prefill if necessary */
if( *prefill ) {
strncpy(s, prefill, 255);
rli->buf[255] = '\0';
rli->point = strlen((char *)rli->buf);
} else {
*rli->buf = 0;
rli->point = 0;
}
SLtt_set_cursor_visibility(1);
SLsmg_normal_video();
SLang_read_line(rli);
add_history(s); /* buf is unsigned */
SLtt_set_cursor_visibility(0);
free(rli);
}
}
#endif
return s;
}
static void slang_set_cursor(caca_display_t *dp, int flags)
{
SLtt_set_cursor_visibility(flags ? 1 : 0);
}
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;
}
void newtSuspend(void) {
SLtt_set_cursor_visibility (1);
SLsmg_suspend_smg();
SLang_reset_tty();
SLtt_set_cursor_visibility (cursorOn);
}
void newtCursorOn(void) {
cursorOn = 1;
SLtt_set_cursor_visibility (cursorOn);
}
static int sl_output(int port, char *buf, int len)
{
int x,y,z,v,w;
char *str, *t1, *t2, *t3;
int ret;
char ch;
/* check for signals */
if (signal_cought != 0) { /* async out signal */
char xxx[5];
xxx[0] = 0;
put_int32(signal_cought, xxx+1);
driver_output(port, xxx, 5);
signal_cought = 0;
}
switch (*buf++) {
case INIT_TTY: {
int abort_char, flow_ctl, opost;
abort_char = get_int32(buf); buf+=4;
flow_ctl = get_int32(buf); buf+= 4;
opost = get_int32(buf); buf+= 4;
ret = SLang_init_tty (abort_char,flow_ctl, opost);
return ret_int(port, ret);
}
case SET_ABORT_FUNCTION: {
SLang_set_abort_signal (NULL);
return ret_int(port, 0);
}
case GETKEY: {
unsigned int key;
if (SLang_input_pending (0) == 0) {
wait_for = GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLang_getkey ();
return ret_int(port, x);
}
/* read a symbol */
case KP_GETKEY: {
if (SLang_input_pending (0) == 0) {
wait_for = KP_GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLkp_getkey ();
return ret_int(port, x);
}
case UNGETKEY: {
unsigned char key = (unsigned char) *buf;
SLang_ungetkey (key);
return 0;
}
case RESET_TTY: {
SLang_reset_tty();
return 0;
}
case KP_INIT: {
return ret_int(port, SLkp_init ());
}
case SETVAR: {
x = get_int32(buf);buf+= 4;
y = get_int32(buf);
switch (x) {
case esl_baud_rate:
SLang_TT_Baud_Rate = y; return 0;
case esl_read_fd:
return 0;
case esl_abort_char:
SLang_Abort_Char = y; return 0;
case esl_ignore_user_abort:
SLang_Ignore_User_Abort=y; return 0;
case esl_input_buffer_len :
SLang_Input_Buffer_Len=y; return 0;
case esl_keyboard_quit:
SLKeyBoard_Quit=y; return 0;
case esl_last_key_char:
SLang_Last_Key_Char=y; return 0;
case esl_rl_eof_char:
SLang_RL_EOF_Char=y; return 0;
case esl_rline_quit:
SLang_Rline_Quit=y; return 0;
case esl_screen_rows:
case esl_screen_cols :
return 0;
case esl_tab_width:
SLsmg_Tab_Width=y; return 0;
case esl_newline_behaviour:
SLsmg_Newline_Behavior=y; return 0;
case esl_error:
SLang_Error=y; return 0;
case esl_version:
return 0;
case esl_backspace_moves :
SLsmg_Backspace_Moves=y; return 0;
case esl_display_eight_bit:
SLsmg_Display_Eight_Bit=y; return 0;
default:
return 0;
}
}
case GETVAR: {
x = get_int32(buf);
switch (x) {
case esl_baud_rate:
return ret_int(port, SLang_TT_Baud_Rate);
case esl_read_fd:
return ret_int(port, SLang_TT_Read_FD);
case esl_abort_char:
return (ret_int(port, SLang_Abort_Char));
case esl_ignore_user_abort:
return ret_int(port, SLang_Ignore_User_Abort);
case esl_input_buffer_len :
return ret_int(port, SLang_Input_Buffer_Len);
case esl_keyboard_quit:
return ret_int(port, SLKeyBoard_Quit);
case esl_last_key_char:
return ret_int(port, SLang_Last_Key_Char);
case esl_rl_eof_char:
return ret_int(port, SLang_RL_EOF_Char);
case esl_rline_quit:
return ret_int(port, SLang_Rline_Quit);
case esl_screen_rows:
return ret_int(port, SLtt_Screen_Rows);
case esl_screen_cols :
return ret_int(port, SLtt_Screen_Cols);
case esl_tab_width:
return ret_int(port, SLsmg_Tab_Width);
case esl_newline_behaviour:
return ret_int(port, SLsmg_Newline_Behavior);
case esl_error:
return ret_int(port, SLang_Error);
case esl_version:
return ret_int(port, SLang_Version);
case esl_backspace_moves :
return ret_int(port, SLsmg_Backspace_Moves);
case esl_display_eight_bit:
return ret_int(port, SLsmg_Display_Eight_Bit);
default:
return ret_int(port, -1);
}
}
/*{{{ SLsmg Screen Management Functions */
case SMG_FILL_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
ch = *buf;
SLsmg_fill_region(x, y,z,v,ch);
return 0;
}
case SMG_SET_CHAR_SET: {
x = get_int32(buf); buf+= 4;
SLsmg_set_char_set(x);
return 0;
}
case SMG_SUSPEND_SMG: {
return ret_int(port, SLsmg_suspend_smg());
}
case SMG_RESUME_SMG: {
ret_int(port, SLsmg_resume_smg());
}
case SMG_ERASE_EOL: {
SLsmg_erase_eol();
return 0;
}
case SMG_GOTORC: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_gotorc(x, y);
return 0;
}
case SMG_ERASE_EOS: {
SLsmg_erase_eos();
return 0;
}
case SMG_REVERSE_VIDEO: {
SLsmg_reverse_video();
return 0;
}
case SMG_SET_COLOR: {
x = get_int32(buf); buf+= 4;
SLsmg_set_color(x);
return 0;
}
case SMG_NORMAL_VIDEO: {
SLsmg_normal_video();
return 0;
}
case SMG_WRITE_STRING: {
SLsmg_write_string(buf);
return 0;
}
case SMG_WRITE_CHAR: {
ch = *buf;
SLsmg_write_char(ch);
return 0;
}
case SMG_WRITE_WRAPPED_STRING: {
t1 = buf;
buf += strlen(t1) + 1;
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_write_wrapped_string(t1, x,y,z,v,w);
return 0;
}
case SMG_CLS: {
SLsmg_cls();
return 0;
}
case SMG_REFRESH: {
SLsmg_refresh();
return 0;
}
case SMG_TOUCH_LINES: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_touch_lines(x, y);
return 0;
}
case SMG_TOUCH_SCREEN: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
SLsmg_touch_screen();
#endif
return 0;
}
case SMG_INIT_SMG: {
return ret_int(port, SLsmg_init_smg());
}
case SMG_REINIT_SMG: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
return ret_int(port, SLsmg_reinit_smg());
#endif
}
case SMG_RESET_SMG: {
SLsmg_reset_smg();
return 0;
}
case SMG_CHAR_AT: {
return ret_int(port, SLsmg_char_at());
}
case SMG_SET_SCREEN_START: {
int *ip1, *ip2;
*ip1 = get_int32(buf); buf+= 4;
*ip2 = get_int32(buf); buf+= 4;
SLsmg_set_screen_start(ip1, ip2);
return ret_int_int(port, *ip1, *ip2);
}
case SMG_DRAW_HLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_hline(x);
return 0;
}
case SMG_DRAW_VLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_vline(x);
return 0;
}
case SMG_DRAW_OBJECT: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
x = get_int32(buf); buf+= 4;
SLsmg_draw_object(x, y,z);
return 0;
}
case SMG_DRAW_BOX: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
SLsmg_draw_box(x, y,z,v);
return 0;
}
case SMG_GET_COLUMN: {
return ret_int(port, SLsmg_get_column());
}
case SMG_GET_ROW: {
return ret_int(port, SLsmg_get_row());
}
case SMG_FORWARD: {
x = get_int32(buf); buf+= 4;
SLsmg_forward(x);
return 0;
}
case SMG_WRITE_COLOR_CHARS: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf); buf+= 4;
SLsmg_write_color_chars(sl, x);
return 0;
}
case SMG_READ_RAW: {
x = get_int32(buf); buf+= 4;
t1 = malloc((2*x) + 2 + 1);
y = SLsmg_read_raw((unsigned short*)t1 +1, x);
t1[1] = 1;
driver_output(port, t1, y+1);
free(t1);
return 0;
}
case SMG_WRITE_RAW: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf);
y = SLsmg_write_raw(sl, x);
return ret_int(port, y);
}
case SMG_SET_COLOR_IN_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_set_color_in_region(x, y,z,v,w);
return 0;
}
/* all the tt_functions */
case TT_FLUSH_OUTPUT: {
ret = SLtt_flush_output();
return ret_int(port, ret);
}
case TT_SET_SCROLL_REGION: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_scroll_region(x, y);
return 0;
}
case TT_RESET_SCROLL_REGION: {
SLtt_reset_scroll_region();
return 0;
}
case TT_REVERSE_VIDEO: {
SLtt_reverse_video (get_int32(buf));
return 0;
}
case TT_BOLD_VIDEO: {
SLtt_begin_insert();
return 0;
}
case TT_BEGIN_INSERT: {
SLtt_begin_insert();
return 0;
}
case TT_END_INSERT: {
SLtt_end_insert();
return 0;
}
case TT_DEL_EOL: {
SLtt_del_eol();
return 0;
}
case TT_GOTO_RC: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_goto_rc (x, y);
return 0;
}
case TT_DELETE_NLINES: {
SLtt_delete_nlines(get_int32(buf));
return 0;
}
case TT_DELETE_CHAR: {
SLtt_delete_char();
return 0;
}
case TT_ERASE_LINE: {
SLtt_erase_line();
return 0;
}
case TT_NORMAL_VIDEO: {
SLtt_normal_video();
return 0;
}
case TT_CLS: {
SLtt_cls();
return 0;
}
case TT_BEEP: {
SLtt_beep();
return 0;
}
case TT_REVERSE_INDEX: {
SLtt_reverse_index(get_int32(buf));
return 0;
}
case TT_SMART_PUTS: {
SLsmg_Char_Type *t1 ;
SLsmg_Char_Type *t2;
t1 = decode_smg_char_type(&buf);
t2 = decode_smg_char_type(&buf);
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_smart_puts(t1, t2,x,y);
return 0;
}
case TT_WRITE_STRING: {
SLtt_write_string (buf);
return 0;
}
case TT_PUTCHAR: {
SLtt_putchar((char) get_int32(buf));
return 0;
}
case TT_INIT_VIDEO: {
ret = SLtt_init_video ();
return ret_int(port, ret);
}
case TT_RESET_VIDEO: {
SLtt_reset_video ();
return 0;
}
case TT_GET_TERMINFO: {
SLtt_get_terminfo();
return 0;
}
case TT_GET_SCREEN_SIZE: {
SLtt_get_screen_size ();
return 0;
}
case TT_SET_CURSOR_VISIBILITY: {
ret = SLtt_set_cursor_visibility (get_int32(buf));
return ret_int(port, ret);
}
case TT_SET_MOUSE_MODE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
ret = SLtt_set_mouse_mode (x,y);
return ret_int(port, ret);
}
case TT_INITIALIZE: {
ret =SLtt_initialize (buf);
return ret_int(port, ret);
}
case TT_ENABLE_CURSOR_KEYS: {
SLtt_enable_cursor_keys();
return 0;
}
case TT_SET_TERM_VTXXX: {
return 0;
}
case TT_SET_COLOR_ESC: {
x = get_int32(buf); buf+=4;
SLtt_set_color_esc (x, buf);
return 0;
}
case TT_WIDE_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_NARROW_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_SET_ALT_CHAR_SET: {
SLtt_set_alt_char_set (get_int32(buf));
return 0;
}
case TT_WRITE_TO_STATUS_LINE: {
x = get_int32(buf); buf+=4;
SLtt_write_to_status_line (buf, x);
return 0;
}
case TT_DISABLE_STATUS_LINE: {
SLtt_disable_status_line ();
return 0;
}
case TT_TGETSTR: {
str = SLtt_tgetstr (buf);
return ret_string(port, str);
}
case TT_TGETNUM: {
x = SLtt_tgetnum (buf);
return ret_int(port, x);
}
case TT_TGETFLAG: {
x = SLtt_tgetflag (buf);
return ret_int(port, x);
}
case TT_TIGETENT: {
str = SLtt_tigetent (buf);
return ret_string(port, str);
}
case TT_TIGETSTR: {
return 0;
}
case TT_TIGETNUM: {
return 0;
}
case SLTT_GET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = SLtt_get_color_object (x);
return ret_int(port, y);
return 0;
}
case TT_SET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_color_object (x, y);
return 0;
}
case TT_SET_COLOR: {
x = get_int32(buf); buf+=4;
t1 = buf;
t2 = buf + (strlen(t1) + 1);
t3 = buf + (strlen(t1) + strlen(t2) + 2);
SLtt_set_color (x, t1, t2, t3);
return 0;
}
case TT_SET_MONO: {
x = get_int32(buf); buf+=4;
t1 = buf;
buf += strlen(t1) + 1;
y = get_int32(buf);
SLtt_set_mono (x, t1, y);
return 0;
}
case TT_ADD_COLOR_ATTRIBUTE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_add_color_attribute (x, y);
return 0;
}
case TT_SET_COLOR_FGBG: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
z = get_int32(buf); buf+=4;
SLtt_set_color_fgbg (x, y, z);
return 0;
}
case ISATTY: {
x = get_int32(buf); buf+=4;
return ret_int(port, isatty(x));
}
case EFORMAT: {
fprintf(stderr, "%s", buf);
fflush(stderr);
return 0;
}
case SIGNAL: {
x = get_int32(buf); buf+=4;
SLsignal(x_to_sig(x), sig_handler);
return 0;
}
case SIGNAL_CHECK: {
/* polled */
if (signal_cought != 0)
signal_cought = 0;
return ret_int(port, signal_cought);
}
default:
return 0;
}
}
static void slang_cursor(aa_context * c, int mode)
{
SLtt_set_cursor_visibility(mode);
}
