#define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 )
+const char sco2ansicolour[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
+
#define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t))
const wchar_t sel_nl[] = SEL_NL;
*/
oldlen = line[0];
lineattrs = line[oldlen + 1];
- line = srealloc(line, TSIZE * (2 + cols));
+ line = sresize(line, 2 + cols, TTYPE);
line[0] = cols;
for (i = oldlen; i < cols; i++)
line[i + 1] = ERASE_CHAR;
term->in_vbell = FALSE;
term->cursor_on = 1;
term->big_cursor = 0;
- term->save_attr = term->curr_attr = ATTR_DEFAULT;
+ term->default_attr = term->save_attr = term->curr_attr = ATTR_DEFAULT;
term->term_editing = term->term_echoing = FALSE;
term->app_cursor_keys = term->cfg.app_cursor;
term->app_keypad_keys = term->cfg.app_keypad;
term->seen_disp_event = 0;
need_sbar_update = TRUE;
}
+
+ /* Allocate temporary buffers for Arabic shaping and bidi. */
+ if (!term->cfg.arabicshaping || !term->cfg.bidi)
+ {
+ term->wcFrom = sresize(term->wcFrom, term->cols, bidi_char);
+ term->ltemp = sresize(term->ltemp, term->cols+1, unsigned long);
+ term->wcTo = sresize(term->wcTo, term->cols, bidi_char);
+ }
+
if (need_sbar_update)
update_sbar(term);
do_paint(term, ctx, TRUE);
term->alt_wrap = term->wrap = term->cfg.wrap_mode;
if (reset_decom)
term->alt_om = term->dec_om = term->cfg.dec_om;
- if (reset_bce)
+ if (reset_bce) {
term->use_bce = term->cfg.bce;
+ if (term->use_bce)
+ term->erase_char = (' ' | ATTR_ASCII |
+ (term->curr_attr &
+ (ATTR_FGMASK | ATTR_BGMASK)));
+ else
+ term->erase_char = ERASE_CHAR;
+ }
if (reset_blink)
term->blink_is_real = term->cfg.blinktext;
if (reset_charclass)
* Allocate a new Terminal structure and initialise the fields
* that need it.
*/
- term = smalloc(sizeof(Terminal));
+ term = snew(Terminal);
term->frontend = frontend;
term->ucsdata = ucsdata;
term->cfg = *mycfg; /* STRUCTURE COPY */
term->attr_mask = 0xffffffff;
term->resize_fn = NULL;
term->resize_ctx = NULL;
+ term->in_term_out = FALSE;
+ term->ltemp = NULL;
+ term->wcFrom = NULL;
+ term->wcTo = NULL;
+
+ term->bidi_cache_size = 0;
+ term->pre_bidi_cache = term->post_bidi_cache = NULL;
return term;
}
{
unsigned long *line;
struct beeptime *beep;
+ int i;
while ((line = delpos234(term->scrollback, 0)) != NULL)
sfree(line);
printer_finish_job(term->print_job);
bufchain_clear(&term->printer_buf);
sfree(term->paste_buffer);
+ sfree(term->ltemp);
+ sfree(term->wcFrom);
+ sfree(term->wcTo);
+
+ for (i = 0; i < term->bidi_cache_size; i++) {
+ sfree(term->pre_bidi_cache[i]);
+ sfree(term->post_bidi_cache[i]);
+ }
+ sfree(term->pre_bidi_cache);
+ sfree(term->post_bidi_cache);
+
sfree(term);
}
term->savecurs.y += 1;
} else {
/* Add a new blank line at the bottom of the screen. */
- line = smalloc(TSIZE * (newcols + 2));
+ line = snewn(newcols + 2, TTYPE);
line[0] = newcols;
for (j = 0; j < newcols; j++)
line[j + 1] = ERASE_CHAR;
term->disptop = 0;
/* Make a new displayed text buffer. */
- newdisp = smalloc(newrows * (newcols + 1) * TSIZE);
+ newdisp = snewn(newrows * (newcols + 1), TTYPE);
for (i = 0; i < newrows * (newcols + 1); i++)
newdisp[i] = ATTR_INVALID;
sfree(term->disptext);
/* Make a new alternate screen. */
newalt = newtree234(NULL);
for (i = 0; i < newrows; i++) {
- line = smalloc(TSIZE * (newcols + 2));
+ line = snewn(newcols + 2, TTYPE);
line[0] = newcols;
for (j = 0; j < newcols; j++)
line[j + 1] = term->erase_char;
term->alt_screen = newalt;
term->alt_sblines = 0;
- term->tabs = srealloc(term->tabs, newcols * sizeof(*term->tabs));
+ term->tabs = sresize(term->tabs, newcols, unsigned char);
{
int i;
for (i = (term->cols > 0 ? term->cols : 0); i < newcols; i++)
if (sblen == term->savelines) {
sblen--, line2 = delpos234(term->scrollback, 0);
} else {
- line2 = smalloc(TSIZE * (term->cols + 2));
+ line2 = snewn(term->cols + 2, TTYPE);
line2[0] = term->cols;
term->tempsblines += 1;
}
*/
seltop = sb ? -term->savelines : topline;
- if (term->selstart.y >= seltop &&
- term->selstart.y <= botline) {
- term->selstart.y--;
- if (term->selstart.y < seltop) {
- term->selstart.y = seltop;
- term->selstart.x = 0;
+ if (term->selstate != NO_SELECTION) {
+ if (term->selstart.y >= seltop &&
+ term->selstart.y <= botline) {
+ term->selstart.y--;
+ if (term->selstart.y < seltop) {
+ term->selstart.y = seltop;
+ term->selstart.x = 0;
+ }
}
- }
- if (term->selend.y >= seltop && term->selend.y <= botline) {
- term->selend.y--;
- if (term->selend.y < seltop) {
- term->selend.y = seltop;
- term->selend.x = 0;
+ if (term->selend.y >= seltop && term->selend.y <= botline) {
+ term->selend.y--;
+ if (term->selend.y < seltop) {
+ term->selend.y = seltop;
+ term->selend.x = 0;
+ }
}
- }
- if (term->selanchor.y >= seltop && term->selanchor.y <= botline) {
- term->selanchor.y--;
- if (term->selanchor.y < seltop) {
- term->selanchor.y = seltop;
- term->selanchor.x = 0;
+ if (term->selanchor.y >= seltop &&
+ term->selanchor.y <= botline) {
+ term->selanchor.y--;
+ if (term->selanchor.y < seltop) {
+ term->selanchor.y = seltop;
+ term->selanchor.x = 0;
+ }
}
}
term->scrolltail->botline == botline) {
term->scrolltail->lines += lines;
} else {
- newscroll = smalloc(sizeof(struct scrollregion));
+ newscroll = snew(struct scrollregion);
newscroll->topline = topline;
newscroll->botline = botline;
newscroll->lines = lines;
if (query)
switch (mode) {
- case 1: /* application cursor keys */
+ case 1: /* DECCKM: application cursor keys */
term->app_cursor_keys = state;
break;
- case 2: /* VT52 mode */
+ case 2: /* DECANM: VT52 mode */
term->vt52_mode = !state;
if (term->vt52_mode) {
term->blink_is_real = FALSE;
term->blink_is_real = term->cfg.blinktext;
}
break;
- case 3: /* 80/132 columns */
+ case 3: /* DECCOLM: 80/132 columns */
deselect(term);
if (!term->cfg.no_remote_resize)
request_resize(term->frontend, state ? 132 : 80, term->rows);
move(term, 0, 0, 0);
erase_lots(term, FALSE, TRUE, TRUE);
break;
- case 5: /* reverse video */
+ case 5: /* DECSCNM: reverse video */
/*
* Toggle reverse video. If we receive an OFF within the
* visual bell timeout period after an ON, we trigger an
if (state)
term_update(term);
break;
- case 6: /* DEC origin mode */
+ case 6: /* DECOM: DEC origin mode */
term->dec_om = state;
break;
- case 7: /* auto wrap */
+ case 7: /* DECAWM: auto wrap */
term->wrap = state;
break;
- case 8: /* auto key repeat */
+ case 8: /* DECARM: auto key repeat */
term->repeat_off = !state;
break;
- case 10: /* set local edit mode */
+ case 10: /* DECEDM: set local edit mode */
term->term_editing = state;
if (term->ldisc) /* cause ldisc to notice changes */
ldisc_send(term->ldisc, NULL, 0, 0);
break;
- case 25: /* enable/disable cursor */
+ case 25: /* DECTCEM: enable/disable cursor */
compatibility2(OTHER, VT220);
term->cursor_on = state;
term->seen_disp_event = TRUE;
term->disptop = 0;
break;
case 1048: /* save/restore cursor */
- save_cursor(term, state);
+ if (!term->cfg.no_alt_screen)
+ save_cursor(term, state);
if (!state) term->seen_disp_event = TRUE;
break;
case 1049: /* cursor & alternate screen */
- if (state)
+ if (state && !term->cfg.no_alt_screen)
save_cursor(term, state);
if (!state) term->seen_disp_event = TRUE;
compatibility(OTHER);
deselect(term);
swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
- if (!state)
+ if (!state && !term->cfg.no_alt_screen)
save_cursor(term, state);
term->disptop = 0;
break;
} else
switch (mode) {
- case 4: /* set insert mode */
+ case 4: /* IRM: set insert mode */
compatibility(VT102);
term->insert = state;
break;
- case 12: /* set echo mode */
+ case 12: /* SRM: set echo mode */
term->term_echoing = !state;
if (term->ldisc) /* cause ldisc to notice changes */
ldisc_send(term->ldisc, NULL, 0, 0);
break;
- case 20: /* Return sends ... */
+ case 20: /* LNM: Return sends ... */
term->cr_lf_return = state;
break;
- case 34: /* Make cursor BIG */
+ case 34: /* WYULCURM: Make cursor BIG */
compatibility2(OTHER, VT220);
term->big_cursor = !state;
}
/* Or normal C0 controls. */
if ((c & -32) == 0 && term->termstate < DO_CTRLS) {
switch (c) {
- case '\005': /* terminal type query */
+ case '\005': /* ENQ: terminal type query */
/* Strictly speaking this is VT100 but a VT100 defaults to
* no response. Other terminals respond at their option.
*
abuf, d - abuf, 0);
}
break;
- case '\007':
+ case '\007': /* BEL: Bell */
{
struct beeptime *newbeep;
unsigned long ticks;
ticks = GETTICKCOUNT();
if (!term->beep_overloaded) {
- newbeep = smalloc(sizeof(struct beeptime));
+ newbeep = snew(struct beeptime);
newbeep->ticks = ticks;
newbeep->next = NULL;
if (!term->beephead)
term_update(term);
}
}
- term->disptop = 0;
+ term->seen_disp_event = TRUE;
}
break;
- case '\b':
+ case '\b': /* BS: Back space */
if (term->curs.x == 0 &&
(term->curs.y == 0 || term->wrap == 0))
/* do nothing */ ;
fix_cpos;
term->seen_disp_event = TRUE;
break;
- case '\016':
+ case '\016': /* LS1: Locking-shift one */
compatibility(VT100);
term->cset = 1;
break;
- case '\017':
+ case '\017': /* LS0: Locking-shift zero */
compatibility(VT100);
term->cset = 0;
break;
- case '\033':
+ case '\033': /* ESC: Escape */
if (term->vt52_mode)
term->termstate = VT52_ESC;
else {
term->esc_query = FALSE;
}
break;
- case '\015':
+ case '\015': /* CR: Carriage return */
term->curs.x = 0;
term->wrapnext = FALSE;
fix_cpos;
if (term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
break;
- case '\014':
+ case '\014': /* FF: Form feed */
if (has_compat(SCOANSI)) {
move(term, 0, 0, 0);
erase_lots(term, FALSE, FALSE, TRUE);
term->seen_disp_event = 1;
break;
}
- case '\013':
+ case '\013': /* VT: Line tabulation */
compatibility(VT100);
- case '\012':
+ case '\012': /* LF: Line feed */
if (term->curs.y == term->marg_b)
scroll(term, term->marg_t, term->marg_b, 1, TRUE);
else if (term->curs.y < term->rows - 1)
if (term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
break;
- case '\t':
+ case '\t': /* HT: Character tabulation */
{
pos old_curs = term->curs;
unsigned long *ldata = lineptr(term->curs.y);
}
term->termstate = TOPLEVEL;
switch (ANSI(c, term->esc_query)) {
- case '[': /* enter CSI mode */
+ case '[': /* enter CSI mode */
term->termstate = SEEN_CSI;
term->esc_nargs = 1;
term->esc_args[0] = ARG_DEFAULT;
term->esc_query = FALSE;
break;
- case ']': /* xterm escape sequences */
+ case ']': /* OSC: xterm escape sequences */
/* Compatibility is nasty here, xterm, linux, decterm yuk! */
compatibility(OTHER);
term->termstate = SEEN_OSC;
term->esc_args[0] = 0;
break;
- case '7': /* save cursor */
+ case '7': /* DECSC: save cursor */
compatibility(VT100);
save_cursor(term, TRUE);
break;
- case '8': /* restore cursor */
+ case '8': /* DECRC: restore cursor */
compatibility(VT100);
save_cursor(term, FALSE);
term->seen_disp_event = TRUE;
break;
- case '=':
+ case '=': /* DECKPAM: Keypad application mode */
compatibility(VT100);
term->app_keypad_keys = TRUE;
break;
- case '>':
+ case '>': /* DECKPNM: Keypad numeric mode */
compatibility(VT100);
term->app_keypad_keys = FALSE;
break;
- case 'D': /* exactly equivalent to LF */
+ case 'D': /* IND: exactly equivalent to LF */
compatibility(VT100);
if (term->curs.y == term->marg_b)
scroll(term, term->marg_t, term->marg_b, 1, TRUE);
term->wrapnext = FALSE;
term->seen_disp_event = TRUE;
break;
- case 'E': /* exactly equivalent to CR-LF */
+ case 'E': /* NEL: exactly equivalent to CR-LF */
compatibility(VT100);
term->curs.x = 0;
if (term->curs.y == term->marg_b)
term->wrapnext = FALSE;
term->seen_disp_event = TRUE;
break;
- case 'M': /* reverse index - backwards LF */
+ case 'M': /* RI: reverse index - backwards LF */
compatibility(VT100);
if (term->curs.y == term->marg_t)
scroll(term, term->marg_t, term->marg_b, -1, TRUE);
term->wrapnext = FALSE;
term->seen_disp_event = TRUE;
break;
- case 'Z': /* terminal type query */
+ case 'Z': /* DECID: terminal type query */
compatibility(VT100);
if (term->ldisc)
ldisc_send(term->ldisc, term->id_string,
strlen(term->id_string), 0);
break;
- case 'c': /* restore power-on settings */
+ case 'c': /* RIS: restore power-on settings */
compatibility(VT100);
power_on(term);
if (term->ldisc) /* cause ldisc to notice changes */
term->disptop = 0;
term->seen_disp_event = TRUE;
break;
- case 'H': /* set a tab */
+ case 'H': /* HTS: set a tab */
compatibility(VT100);
term->tabs[term->curs.x] = TRUE;
break;
- case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */
+ case ANSI('8', '#'): /* DECALN: fills screen with Es :-) */
compatibility(VT100);
{
unsigned long *ldata;
unsigned long nlattr;
unsigned long *ldata;
switch (ANSI(c, term->esc_query)) {
- case ANSI('3', '#'):
+ case ANSI('3', '#'): /* DECDHL: 2*height, top */
nlattr = LATTR_TOP;
break;
- case ANSI('4', '#'):
+ case ANSI('4', '#'): /* DECDHL: 2*height, bottom */
nlattr = LATTR_BOT;
break;
- case ANSI('5', '#'):
+ case ANSI('5', '#'): /* DECSWL: normal */
nlattr = LATTR_NORM;
break;
- default: /* spiritually case ANSI('6', '#'): */
+ default: /* case ANSI('6', '#'): DECDWL: 2*width */
nlattr = LATTR_WIDE;
break;
}
ldata[term->cols] |= nlattr;
}
break;
-
+ /* GZD4: G0 designate 94-set */
case ANSI('A', '('):
compatibility(VT100);
if (!term->cfg.no_remote_charset)
if (!term->cfg.no_remote_charset)
term->cset_attr[0] = ATTR_SCOACS;
break;
-
+ /* G1D4: G1-designate 94-set */
case ANSI('A', ')'):
compatibility(VT100);
if (!term->cfg.no_remote_charset)
if (!term->cfg.no_remote_charset)
term->cset_attr[1] = ATTR_SCOACS;
break;
-
+ /* DOCS: Designate other coding system */
case ANSI('8', '%'): /* Old Linux code */
case ANSI('G', '%'):
compatibility(OTHER);
term->termstate = SEEN_CSI;
} else
switch (ANSI(c, term->esc_query)) {
- case 'A': /* move up N lines */
+ case 'A': /* CUU: move up N lines */
move(term, term->curs.x,
term->curs.y - def(term->esc_args[0], 1), 1);
term->seen_disp_event = TRUE;
break;
- case 'e': /* move down N lines */
+ case 'e': /* VPR: move down N lines */
compatibility(ANSI);
/* FALLTHROUGH */
- case 'B':
+ case 'B': /* CUD: Cursor down */
move(term, term->curs.x,
term->curs.y + def(term->esc_args[0], 1), 1);
term->seen_disp_event = TRUE;
break;
- case ANSI('c', '>'): /* report xterm version */
+ case ANSI('c', '>'): /* DA: report xterm version */
compatibility(OTHER);
/* this reports xterm version 136 so that VIM can
use the drag messages from the mouse reporting */
if (term->ldisc)
ldisc_send(term->ldisc, "\033[>0;136;0c", 11, 0);
break;
- case 'a': /* move right N cols */
+ case 'a': /* HPR: move right N cols */
compatibility(ANSI);
/* FALLTHROUGH */
- case 'C':
+ case 'C': /* CUF: Cursor right */
move(term, term->curs.x + def(term->esc_args[0], 1),
term->curs.y, 1);
term->seen_disp_event = TRUE;
break;
- case 'D': /* move left N cols */
+ case 'D': /* CUB: move left N cols */
move(term, term->curs.x - def(term->esc_args[0], 1),
term->curs.y, 1);
term->seen_disp_event = TRUE;
break;
- case 'E': /* move down N lines and CR */
+ case 'E': /* CNL: move down N lines and CR */
compatibility(ANSI);
move(term, 0,
term->curs.y + def(term->esc_args[0], 1), 1);
term->seen_disp_event = TRUE;
break;
- case 'F': /* move up N lines and CR */
+ case 'F': /* CPL: move up N lines and CR */
compatibility(ANSI);
move(term, 0,
term->curs.y - def(term->esc_args[0], 1), 1);
term->seen_disp_event = TRUE;
break;
- case 'G':
- case '`': /* set horizontal posn */
+ case 'G': /* CHA */
+ case '`': /* HPA: set horizontal posn */
compatibility(ANSI);
move(term, def(term->esc_args[0], 1) - 1,
term->curs.y, 0);
term->seen_disp_event = TRUE;
break;
- case 'd': /* set vertical posn */
+ case 'd': /* VPA: set vertical posn */
compatibility(ANSI);
move(term, term->curs.x,
((term->dec_om ? term->marg_t : 0) +
(term->dec_om ? 2 : 0));
term->seen_disp_event = TRUE;
break;
- case 'H':
- case 'f': /* set horz and vert posns at once */
+ case 'H': /* CUP */
+ case 'f': /* HVP: set horz and vert posns at once */
if (term->esc_nargs < 2)
term->esc_args[1] = ARG_DEFAULT;
move(term, def(term->esc_args[1], 1) - 1,
(term->dec_om ? 2 : 0));
term->seen_disp_event = TRUE;
break;
- case 'J': /* erase screen or parts of it */
+ case 'J': /* ED: erase screen or parts of it */
{
unsigned int i = def(term->esc_args[0], 0) + 1;
if (i > 3)
term->disptop = 0;
term->seen_disp_event = TRUE;
break;
- case 'K': /* erase line or parts of it */
+ case 'K': /* EL: erase line or parts of it */
{
unsigned int i = def(term->esc_args[0], 0) + 1;
if (i > 3)
}
term->seen_disp_event = TRUE;
break;
- case 'L': /* insert lines */
+ case 'L': /* IL: insert lines */
compatibility(VT102);
if (term->curs.y <= term->marg_b)
scroll(term, term->curs.y, term->marg_b,
fix_cpos;
term->seen_disp_event = TRUE;
break;
- case 'M': /* delete lines */
+ case 'M': /* DL: delete lines */
compatibility(VT102);
if (term->curs.y <= term->marg_b)
scroll(term, term->curs.y, term->marg_b,
fix_cpos;
term->seen_disp_event = TRUE;
break;
- case '@': /* insert chars */
+ case '@': /* ICH: insert chars */
/* XXX VTTEST says this is vt220, vt510 manual says vt102 */
compatibility(VT102);
insch(term, def(term->esc_args[0], 1));
term->seen_disp_event = TRUE;
break;
- case 'P': /* delete chars */
+ case 'P': /* DCH: delete chars */
compatibility(VT102);
insch(term, -def(term->esc_args[0], 1));
term->seen_disp_event = TRUE;
break;
- case 'c': /* terminal type query */
+ case 'c': /* DA: terminal type query */
compatibility(VT100);
/* This is the response for a VT102 */
if (term->ldisc)
ldisc_send(term->ldisc, term->id_string,
strlen(term->id_string), 0);
break;
- case 'n': /* cursor position query */
+ case 'n': /* DSR: cursor position query */
if (term->ldisc) {
if (term->esc_args[0] == 6) {
char buf[32];
}
}
break;
- case 'h': /* toggle modes to high */
+ case 'h': /* SM: toggle modes to high */
case ANSI_QUE('h'):
compatibility(VT100);
{
term->esc_query, TRUE);
}
break;
- case 'i':
+ case 'i': /* MC: Media copy */
case ANSI_QUE('i'):
compatibility(VT100);
{
}
}
break;
- case 'l': /* toggle modes to low */
+ case 'l': /* RM: toggle modes to low */
case ANSI_QUE('l'):
compatibility(VT100);
{
term->esc_query, FALSE);
}
break;
- case 'g': /* clear tabs */
+ case 'g': /* TBC: clear tabs */
compatibility(VT100);
if (term->esc_nargs == 1) {
if (term->esc_args[0] == 0) {
}
}
break;
- case 'r': /* set scroll margins */
+ case 'r': /* DECSTBM: set scroll margins */
compatibility(VT100);
if (term->esc_nargs <= 2) {
int top, bot;
}
}
break;
- case 'm': /* set graphics rendition */
+ case 'm': /* SGR: set graphics rendition */
{
/*
* A VT100 without the AVO only had one
for (i = 0; i < term->esc_nargs; i++) {
switch (def(term->esc_args[i], 0)) {
case 0: /* restore defaults */
- term->curr_attr = ATTR_DEFAULT;
+ term->curr_attr = term->default_attr;
break;
case 1: /* enable bold */
compatibility(VT100AVO);
compatibility(VT100AVO);
term->curr_attr |= ATTR_BLINK;
break;
+ case 6: /* SCO light bkgrd */
+ compatibility(SCOANSI);
+ term->blink_is_real = FALSE;
+ term->curr_attr |= ATTR_BLINK;
+ break;
case 7: /* enable reverse video */
term->curr_attr |= ATTR_REVERSE;
break;
save_cursor(term, FALSE);
term->seen_disp_event = TRUE;
break;
- case 't': /* set page size - ie window height */
+ case 't': /* DECSLPP: set page size - ie window height */
/*
* VT340/VT420 sequence DECSLPP, DEC only allows values
* 24/25/36/48/72/144 other emulators (eg dtterm) use
*/
break;
case 20:
- if (term->ldisc) {
+ if (term->ldisc &&
+ !term->cfg.no_remote_qtitle) {
p = get_window_title(term->frontend, TRUE);
len = strlen(p);
ldisc_send(term->ldisc, "\033]L", 3, 0);
}
break;
case 21:
- if (term->ldisc) {
+ if (term->ldisc &&
+ !term->cfg.no_remote_qtitle) {
p = get_window_title(term->frontend,FALSE);
len = strlen(p);
ldisc_send(term->ldisc, "\033]l", 3, 0);
}
}
break;
- case 'S':
+ case 'S': /* SU: Scroll up */
compatibility(SCOANSI);
scroll(term, term->marg_t, term->marg_b,
def(term->esc_args[0], 1), TRUE);
term->wrapnext = FALSE;
term->seen_disp_event = TRUE;
break;
- case 'T':
+ case 'T': /* SD: Scroll down */
compatibility(SCOANSI);
scroll(term, term->marg_t, term->marg_b,
-def(term->esc_args[0], 1), TRUE);
term->wrapnext = FALSE;
term->seen_disp_event = TRUE;
break;
- case ANSI('|', '*'):
- /* VT420 sequence DECSNLS
+ case ANSI('|', '*'): /* DECSNLS */
+ /*
* Set number of lines on screen
- * VT420 uses VGA like hardware and can support any size in
- * reasonable range (24..49 AIUI) with no default specified.
+ * VT420 uses VGA like hardware and can
+ * support any size in reasonable range
+ * (24..49 AIUI) with no default specified.
*/
compatibility(VT420);
if (term->esc_nargs == 1 && term->esc_args[0] > 0) {
deselect(term);
}
break;
- case ANSI('|', '$'):
- /* VT340/VT420 sequence DECSCPP
+ case ANSI('|', '$'): /* DECSCPP */
+ /*
* Set number of columns per page
- * Docs imply range is only 80 or 132, but I'll allow any.
+ * Docs imply range is only 80 or 132, but
+ * I'll allow any.
*/
compatibility(VT340TEXT);
if (term->esc_nargs <= 1) {
deselect(term);
}
break;
- case 'X': /* write N spaces w/o moving cursor */
- /* XXX VTTEST says this is vt220, vt510 manual says vt100 */
+ case 'X': /* ECH: write N spaces w/o moving cursor */
+ /* XXX VTTEST says this is vt220, vt510 manual
+ * says vt100 */
compatibility(ANSIMIN);
{
int n = def(term->esc_args[0], 1);
term->seen_disp_event = TRUE;
}
break;
- case 'x': /* report terminal characteristics */
+ case 'x': /* DECREQTPARM: report terminal characteristics */
compatibility(VT100);
if (term->ldisc) {
char buf[32];
}
}
break;
- case 'Z': /* BackTab for xterm */
+ case 'Z': /* CBT: BackTab for xterm */
compatibility(OTHER);
{
int i = def(term->esc_args[0], 1);
check_selection(term, old_curs, term->curs);
}
break;
+ case ANSI('c', '='): /* Hide or Show Cursor */
+ compatibility(SCOANSI);
+ switch(term->esc_args[0]) {
+ case 0: /* hide cursor */
+ term->cursor_on = FALSE;
+ break;
+ case 1: /* restore cursor */
+ term->big_cursor = FALSE;
+ term->cursor_on = TRUE;
+ break;
+ case 2: /* block cursor */
+ term->big_cursor = TRUE;
+ term->cursor_on = TRUE;
+ break;
+ }
+ break;
+ case ANSI('C', '='):
+ /*
+ * set cursor start on scanline esc_args[0] and
+ * end on scanline esc_args[1].If you set
+ * the bottom scan line to a value less than
+ * the top scan line, the cursor will disappear.
+ */
+ compatibility(SCOANSI);
+ if (term->esc_nargs >= 2) {
+ if (term->esc_args[0] > term->esc_args[1])
+ term->cursor_on = FALSE;
+ else
+ term->cursor_on = TRUE;
+ }
+ break;
+ case ANSI('D', '='):
+ compatibility(SCOANSI);
+ term->blink_is_real = FALSE;
+ if (term->esc_args[0]>=1)
+ term->curr_attr |= ATTR_BLINK;
+ else
+ term->curr_attr &= ~ATTR_BLINK;
+ break;
+ case ANSI('E', '='):
+ compatibility(SCOANSI);
+ term->blink_is_real = (term->esc_args[0] >= 1);
+ break;
+ case ANSI('F', '='): /* set normal foreground */
+ compatibility(SCOANSI);
+ if (term->esc_args[0] >= 0 && term->esc_args[0] < 16) {
+ long colour =
+ (sco2ansicolour[term->esc_args[0] & 0x7] |
+ ((term->esc_args[0] & 0x8) << 1)) <<
+ ATTR_FGSHIFT;
+ term->curr_attr &= ~ATTR_FGMASK;
+ term->curr_attr |= colour;
+ term->default_attr &= ~ATTR_FGMASK;
+ term->default_attr |= colour;
+ }
+ break;
+ case ANSI('G', '='): /* set normal background */
+ compatibility(SCOANSI);
+ if (term->esc_args[0] >= 0 && term->esc_args[0] < 16) {
+ long colour =
+ (sco2ansicolour[term->esc_args[0] & 0x7] |
+ ((term->esc_args[0] & 0x8) << 1)) <<
+ ATTR_BGSHIFT;
+ term->curr_attr &= ~ATTR_BGMASK;
+ term->curr_attr |= colour;
+ term->default_attr &= ~ATTR_BGMASK;
+ term->default_attr |= colour;
+ }
+ break;
case ANSI('L', '='):
- compatibility(OTHER);
+ compatibility(SCOANSI);
term->use_bce = (term->esc_args[0] <= 0);
term->erase_char = ERASE_CHAR;
if (term->use_bce)
(term->curr_attr &
(ATTR_FGMASK | ATTR_BGMASK)));
break;
- case ANSI('E', '='):
- compatibility(OTHER);
- term->blink_is_real = (term->esc_args[0] >= 1);
- break;
- case ANSI('p', '"'):
+ case ANSI('p', '"'): /* DECSCL: set compat level */
/*
* Allow the host to make this emulator a
* 'perfect' VT102. This first appeared in
#endif
/*
+ * To prevent having to run the reasonably tricky bidi algorithm
+ * too many times, we maintain a cache of the last lineful of data
+ * fed to the algorithm on each line of the display.
+ */
+static int term_bidi_cache_hit(Terminal *term, int line,
+ unsigned long *lbefore, int width)
+{
+ if (!term->pre_bidi_cache)
+ return FALSE; /* cache doesn't even exist yet! */
+
+ if (line >= term->bidi_cache_size)
+ return FALSE; /* cache doesn't have this many lines */
+
+ if (!term->pre_bidi_cache[line])
+ return FALSE; /* cache doesn't contain _this_ line */
+
+ if (!memcmp(term->pre_bidi_cache[line], lbefore,
+ width * sizeof(unsigned long)))
+ return TRUE; /* aha! the line matches the cache */
+
+ return FALSE; /* it didn't match. */
+}
+
+static void term_bidi_cache_store(Terminal *term, int line,
+ unsigned long *lbefore,
+ unsigned long *lafter, int width)
+{
+ if (!term->pre_bidi_cache || term->bidi_cache_size <= line) {
+ int j = term->bidi_cache_size;
+ term->bidi_cache_size = line+1;
+ term->pre_bidi_cache = sresize(term->pre_bidi_cache,
+ term->bidi_cache_size,
+ unsigned long *);
+ term->post_bidi_cache = sresize(term->post_bidi_cache,
+ term->bidi_cache_size,
+ unsigned long *);
+ while (j < term->bidi_cache_size) {
+ term->pre_bidi_cache[j] = term->post_bidi_cache[j] = NULL;
+ j++;
+ }
+ }
+
+ sfree(term->pre_bidi_cache[line]);
+ sfree(term->post_bidi_cache[line]);
+
+ term->pre_bidi_cache[line] = snewn(width, unsigned long);
+ term->post_bidi_cache[line] = snewn(width, unsigned long);
+
+ memcpy(term->pre_bidi_cache[line], lbefore, width * sizeof(unsigned long));
+ memcpy(term->post_bidi_cache[line], lafter, width * sizeof(unsigned long));
+}
+
+/*
* Given a context, update the window. Out of paranoia, we don't
* allow WM_PAINT responses to do scrolling optimisations.
*/
static void do_paint(Terminal *term, Context ctx, int may_optimise)
{
- int i, j, our_curs_y, our_curs_x;
+ int i, it, j, our_curs_y, our_curs_x;
unsigned long rv, cursor;
pos scrpos;
char ch[1024];
if (term->in_vbell) {
ticks = GETTICKCOUNT();
if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT)
- term->in_vbell = FALSE;
- }
+ term->in_vbell = FALSE;
+ }
rv = (!term->rvideo ^ !term->in_vbell ? ATTR_REVERSE : 0);
term->disptext[idx + term->cols]);
term->disptext[idx + term->cols] = ldata[term->cols];
+ /* Do Arabic shaping and bidi. */
+ if(!term->cfg.bidi || !term->cfg.arabicshaping) {
+
+ if (!term_bidi_cache_hit(term, i, ldata, term->cols)) {
+
+ for(it=0; it<term->cols ; it++)
+ {
+ int uc = (ldata[it] & 0xFFFF);
+
+ switch (uc & CSET_MASK) {
+ case ATTR_LINEDRW:
+ if (!term->cfg.rawcnp) {
+ uc = term->ucsdata->unitab_xterm[uc & 0xFF];
+ break;
+ }
+ case ATTR_ASCII:
+ uc = term->ucsdata->unitab_line[uc & 0xFF];
+ break;
+ case ATTR_SCOACS:
+ uc = term->ucsdata->unitab_scoacs[uc&0xFF];
+ break;
+ }
+ switch (uc & CSET_MASK) {
+ case ATTR_ACP:
+ uc = term->ucsdata->unitab_font[uc & 0xFF];
+ break;
+ case ATTR_OEMCP:
+ uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
+ break;
+ }
+
+ term->wcFrom[it].origwc = term->wcFrom[it].wc = uc;
+ term->wcFrom[it].index = it;
+ }
+
+ if(!term->cfg.bidi)
+ do_bidi(term->wcFrom, term->cols);
+
+ /* this is saved iff done from inside the shaping */
+ if(!term->cfg.bidi && term->cfg.arabicshaping)
+ for(it=0; it<term->cols; it++)
+ term->wcTo[it] = term->wcFrom[it];
+
+ if(!term->cfg.arabicshaping)
+ do_shape(term->wcFrom, term->wcTo, term->cols);
+
+ for(it=0; it<term->cols ; it++)
+ {
+ term->ltemp[it] = ldata[term->wcTo[it].index];
+
+ if (term->wcTo[it].origwc != term->wcTo[it].wc)
+ term->ltemp[it] = ((term->ltemp[it] & 0xFFFF0000) |
+ term->wcTo[it].wc);
+ }
+ term_bidi_cache_store(term, i, ldata, term->ltemp, term->cols);
+ ldata = term->ltemp;
+ } else {
+ ldata = term->post_bidi_cache[i];
+ }
+ }
+
for (j = 0; j < term->cols; j++, idx++) {
unsigned long tattr, tchar;
unsigned long *d = ldata + j;
term_update(term);
}
-static void clipme(Terminal *term, pos top, pos bottom, int rect)
+static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
{
wchar_t *workbuf;
wchar_t *wbptr; /* where next char goes within workbuf */
int buflen; /* amount of memory allocated to workbuf */
buflen = 5120; /* Default size */
- workbuf = smalloc(buflen * sizeof(wchar_t));
+ workbuf = snewn(buflen, wchar_t);
wbptr = workbuf; /* start filling here */
old_top_x = top.x; /* needed for rect==1 */
for (p = cbuf; *p; p++) {
/* Enough overhead for trailing NL and nul */
if (wblen >= buflen - 16) {
- workbuf =
- srealloc(workbuf,
- sizeof(wchar_t) * (buflen += 100));
+ buflen += 100;
+ workbuf = sresize(workbuf, buflen, wchar_t);
wbptr = workbuf + wblen;
}
wblen++;
wblen++;
*wbptr++ = 0;
#endif
- write_clip(term->frontend, workbuf, wblen, FALSE); /* transfer to clipbd */
+ write_clip(term->frontend, workbuf, wblen, desel); /* transfer to clipbd */
if (buflen > 0) /* indicates we allocated this buffer */
sfree(workbuf);
}
void term_copyall(Terminal *term)
{
pos top;
+ pos bottom;
+ tree234 *screen = term->screen;
top.y = -sblines(term);
top.x = 0;
- clipme(term, top, term->curs, 0);
+ bottom.y = find_last_nonempty_line(term, screen);
+ bottom.x = term->cols;
+ clipme(term, top, bottom, 0, TRUE);
}
/*
if (term->paste_buffer)
sfree(term->paste_buffer);
term->paste_pos = term->paste_hold = term->paste_len = 0;
- term->paste_buffer = smalloc(len * sizeof(wchar_t));
+ term->paste_buffer = snewn(len, wchar_t);
p = q = data;
while (p < data + len) {
* data to the clipboard.
*/
clipme(term, term->selstart, term->selend,
- (term->seltype == RECTANGULAR));
+ (term->seltype == RECTANGULAR), FALSE);
term->selstate = SELECTED;
} else
term->selstate = NO_SELECTION;
case PK_END: xkey = 'E'; break;
case PK_PAGEUP: xkey = 'I'; break;
case PK_PAGEDOWN: xkey = 'G'; break;
- default: break; /* else gcc warns `enum value not used' */
+ default: xkey=0; break; /* else gcc warns `enum value not used'*/
}
p += sprintf((char *) p, "\x1B%c", xkey);
goto done;
case PK_END: code = 4; break;
case PK_PAGEUP: code = 5; break;
case PK_PAGEDOWN: code = 6; break;
- default: break; /* else gcc warns `enum value not used' */
+ default: code = 0; break; /* else gcc warns `enum value not used' */
}
p += sprintf((char *) p, "\x1B[%d~", code);
goto done;
case PK_RIGHT: xkey = 'C'; break;
case PK_LEFT: xkey = 'D'; break;
case PK_REST: xkey = 'G'; break; /* centre key on number pad */
- default: break; /* else gcc warns `enum value not used' */
+ default: xkey = 0; break; /* else gcc warns `enum value not used' */
}
if (term->vt52_mode)
p += sprintf((char *) p, "\x1B%c", xkey);
return FALSE;
}
-/*
- * from_backend(), to get data from the backend for the terminal.
- */
-int from_backend(void *vterm, int is_stderr, const char *data, int len)
+int term_data(Terminal *term, int is_stderr, const char *data, int len)
{
- Terminal *term = (Terminal *)vterm;
-
- assert(len > 0);
-
bufchain_add(&term->inbuf, data, len);
+ if (!term->in_term_out) {
+ term->in_term_out = TRUE;
+ term_blink(term, 1);
+ term_out(term);
+ term->in_term_out = FALSE;
+ }
+
/*
* term_out() always completely empties inbuf. Therefore,
* there's no reason at all to return anything other than zero
projects / u / mdw / putty / blobdiff