const wchar_t sel_nl[] = SEL_NL;
/*
+ * Fetch the character at a particular position in a line array,
+ * for purposes of `wordtype'. The reason this isn't just a simple
+ * array reference is that if the character we find is UCSWIDE,
+ * then we must look one space further to the left.
+ */
+#define UCSGET(a, x) \
+ ( (x)>0 && ((a)[(x)] & (CHAR_MASK | CSET_MASK)) == UCSWIDE ? \
+ (a)[(x)-1] : (a)[(x)] )
+
+/*
* Internal prototypes.
*/
+static unsigned long *resizeline(unsigned long *, int);
+static unsigned long *lineptr(Terminal *, int, int);
static void do_paint(Terminal *, Context, int);
static void erase_lots(Terminal *, int, int, int);
static void swap_screen(Terminal *, int, int, int);
static void update_sbar(Terminal *);
static void deselect(Terminal *);
static void term_print_finish(Terminal *);
+#ifdef OPTIMISE_SCROLL
+static void scroll_display(Terminal *, int, int, int);
+#endif /* OPTIMISE_SCROLL */
/*
* Resize a line to make it `cols' columns wide.
*/
-unsigned long *resizeline(unsigned long *line, int cols)
+static unsigned long *resizeline(unsigned long *line, int cols)
{
int i, oldlen;
unsigned long lineattrs;
* whether the y coordinate is non-negative or negative
* (respectively).
*/
-unsigned long *lineptr(Terminal *term, int y, int lineno)
+static unsigned long *lineptr(Terminal *term, int y, int lineno)
{
unsigned long *line, *newline;
tree234 *whichtree;
for (i = 0; i < term->cols; i++)
term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
}
- term->alt_om = term->dec_om = cfg.dec_om;
+ term->alt_om = term->dec_om = term->cfg.dec_om;
term->alt_ins = term->insert = FALSE;
term->alt_wnext = term->wrapnext = term->save_wnext = FALSE;
- term->alt_wrap = term->wrap = cfg.wrap_mode;
+ term->alt_wrap = term->wrap = term->cfg.wrap_mode;
term->alt_cset = term->cset = term->save_cset = 0;
term->alt_utf = term->utf = term->save_utf = 0;
term->utf_state = 0;
term->big_cursor = 0;
term->save_attr = term->curr_attr = ATTR_DEFAULT;
term->term_editing = term->term_echoing = FALSE;
- term->app_cursor_keys = cfg.app_cursor;
- term->app_keypad_keys = cfg.app_keypad;
- term->use_bce = cfg.bce;
- term->blink_is_real = cfg.blinktext;
+ term->app_cursor_keys = term->cfg.app_cursor;
+ term->app_keypad_keys = term->cfg.app_keypad;
+ term->use_bce = term->cfg.bce;
+ term->blink_is_real = term->cfg.blinktext;
term->erase_char = ERASE_CHAR;
term->alt_which = 0;
term_print_finish(term);
{
int i;
for (i = 0; i < 256; i++)
- term->wordness[i] = cfg.wordness[i];
+ term->wordness[i] = term->cfg.wordness[i];
}
if (term->screen) {
swap_screen(term, 1, FALSE, FALSE);
ctx = get_ctx(term->frontend);
if (ctx) {
int need_sbar_update = term->seen_disp_event;
- if (term->seen_disp_event && cfg.scroll_on_disp) {
+ if (term->seen_disp_event && term->cfg.scroll_on_disp) {
term->disptop = 0; /* return to main screen */
term->seen_disp_event = 0;
need_sbar_update = TRUE;
/*
* Reset the scrollback on keypress, if we're doing that.
*/
- if (cfg.scroll_on_key) {
+ if (term->cfg.scroll_on_key) {
term->disptop = 0; /* return to main screen */
term->seen_disp_event = 1;
}
* user has disabled mouse reporting, and abandon a print job if
* the user has disabled printing.
*/
-void term_reconfig(Terminal *term)
+void term_reconfig(Terminal *term, Config *cfg)
{
- if (cfg.no_alt_screen)
+ /*
+ * Before adopting the new config, check all those terminal
+ * settings which control power-on defaults; and if they've
+ * changed, we will modify the current state as well as the
+ * default one. The full list is: Auto wrap mode, DEC Origin
+ * Mode, BCE, blinking text, character classes.
+ */
+ int reset_wrap, reset_decom, reset_bce, reset_blink, reset_charclass;
+ int i;
+
+ reset_wrap = (term->cfg.wrap_mode != cfg->wrap_mode);
+ reset_decom = (term->cfg.dec_om != cfg->dec_om);
+ reset_bce = (term->cfg.bce != cfg->bce);
+ reset_blink = (term->cfg.blinktext != cfg->blinktext);
+ reset_charclass = 0;
+ for (i = 0; i < lenof(term->cfg.wordness); i++)
+ if (term->cfg.wordness[i] != cfg->wordness[i])
+ reset_charclass = 1;
+
+ term->cfg = *cfg; /* STRUCTURE COPY */
+
+ if (reset_wrap)
+ 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)
+ term->use_bce = term->cfg.bce;
+ if (reset_blink)
+ term->blink_is_real = term->cfg.blinktext;
+ if (reset_charclass)
+ for (i = 0; i < 256; i++)
+ term->wordness[i] = term->cfg.wordness[i];
+
+ if (term->cfg.no_alt_screen)
swap_screen(term, 0, FALSE, FALSE);
- if (cfg.no_mouse_rep) {
+ if (term->cfg.no_mouse_rep) {
term->xterm_mouse = 0;
set_raw_mouse_mode(term->frontend, 0);
}
- if (cfg.no_remote_charset) {
+ if (term->cfg.no_remote_charset) {
term->cset_attr[0] = term->cset_attr[1] = ATTR_ASCII;
term->sco_acs = term->alt_sco_acs = 0;
term->utf = 0;
}
- if (!*cfg.printer) {
+ if (!*term->cfg.printer) {
term_print_finish(term);
}
}
/*
* Initialise the terminal.
*/
-Terminal *term_init(void *frontend)
+Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
+ void *frontend)
{
Terminal *term;
*/
term = smalloc(sizeof(Terminal));
term->frontend = frontend;
+ term->ucsdata = ucsdata;
+ term->cfg = *mycfg; /* STRUCTURE COPY */
term->logctx = NULL;
term->compatibility_level = TM_PUTTY;
strcpy(term->id_string, "\033[?6c");
term->last_blink = term->last_tblink = 0;
term->paste_buffer = NULL;
+ term->paste_len = 0;
term->last_paste = 0;
bufchain_init(&term->inbuf);
bufchain_init(&term->printer_buf);
term->nbeeps = 0;
term->lastbeep = FALSE;
term->beep_overloaded = FALSE;
+ term->attr_mask = 0xffffffff;
term->resize_fn = NULL;
term->resize_ctx = NULL;
return term;
}
+void term_free(Terminal *term)
+{
+ unsigned long *line;
+ struct beeptime *beep;
+
+ while ((line = delpos234(term->scrollback, 0)) != NULL)
+ sfree(line);
+ freetree234(term->scrollback);
+ while ((line = delpos234(term->screen, 0)) != NULL)
+ sfree(line);
+ freetree234(term->screen);
+ while ((line = delpos234(term->alt_screen, 0)) != NULL)
+ sfree(line);
+ freetree234(term->alt_screen);
+ sfree(term->disptext);
+ while (term->beephead) {
+ beep = term->beephead;
+ term->beephead = beep->next;
+ sfree(beep);
+ }
+ bufchain_clear(&term->inbuf);
+ if(term->print_job)
+ printer_finish_job(term->print_job);
+ bufchain_clear(&term->printer_buf);
+ sfree(term->paste_buffer);
+ sfree(term);
+}
+
/*
* Set up the terminal for a given size.
*/
static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
{
unsigned long *line, *line2;
- int i, seltop;
+ int i, seltop, olddisptop, shift;
if (topline != 0 || term->alt_which != 0)
sb = FALSE;
+ olddisptop = term->disptop;
+ shift = lines;
if (lines < 0) {
while (lines < 0) {
line = delpos234(term->screen, botline);
lines--;
}
}
+#ifdef OPTIMISE_SCROLL
+ shift += term->disptop - olddisptop;
+ if (shift < term->rows && shift > -term->rows && shift != 0)
+ scroll_display(term, topline, botline, shift);
+#endif /* OPTIMISE_SCROLL */
+}
+
+#ifdef OPTIMISE_SCROLL
+/*
+ * Scroll the physical display, and our conception of it in disptext.
+ */
+static void scroll_display(Terminal *term, int topline, int botline, int lines)
+{
+ unsigned long *start, *end;
+ int distance, size, i;
+
+ start = term->disptext + topline * (term->cols + 1);
+ end = term->disptext + (botline + 1) * (term->cols + 1);
+ distance = (lines > 0 ? lines : -lines) * (term->cols + 1);
+ size = end - start - distance;
+ if (lines > 0) {
+ memmove(start, start + distance, size * TSIZE);
+ if (term->dispcurs >= start + distance &&
+ term->dispcurs <= start + distance + size)
+ term->dispcurs -= distance;
+ for (i = 0; i < distance; i++)
+ (start + size)[i] |= ATTR_INVALID;
+ } else {
+ memmove(start + distance, start, size * TSIZE);
+ if (term->dispcurs >= start && term->dispcurs <= start + size)
+ term->dispcurs += distance;
+ for (i = 0; i < distance; i++)
+ start[i] |= ATTR_INVALID;
+ }
+ do_scroll(term->frontend, topline, botline, lines);
}
+#endif /* OPTIMISE_SCROLL */
/*
* Move the cursor to a given position, clipping at boundaries. We
}
/*
+ * This function is called before doing _anything_ which affects
+ * only part of a line of text. It is used to mark the boundary
+ * between two character positions, and it indicates that some sort
+ * of effect is going to happen on only one side of that boundary.
+ *
+ * The effect of this function is to check whether a CJK
+ * double-width character is straddling the boundary, and to remove
+ * it and replace it with two spaces if so. (Of course, one or
+ * other of those spaces is then likely to be replaced with
+ * something else again, as a result of whatever happens next.)
+ *
+ * Also, if the boundary is at the right-hand _edge_ of the screen,
+ * it implies something deliberate is being done to the rightmost
+ * column position; hence we must clear LATTR_WRAPPED2.
+ *
+ * The input to the function is the coordinates of the _second_
+ * character of the pair.
+ */
+static void check_boundary(Terminal *term, int x, int y)
+{
+ unsigned long *ldata;
+
+ /* Validate input coordinates, just in case. */
+ if (x == 0 || x > term->cols)
+ return;
+
+ ldata = lineptr(y);
+ if (x == term->cols) {
+ ldata[x] &= ~LATTR_WRAPPED2;
+ } else {
+ if ((ldata[x] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) {
+ ldata[x-1] = ldata[x] =
+ (ldata[x-1] &~ (CHAR_MASK | CSET_MASK)) | ATTR_ASCII | ' ';
+ }
+ }
+}
+
+/*
* Erase a large portion of the screen: the whole screen, or the
* whole line, or parts thereof.
*/
end = term->curs;
incpos(end);
}
+ if (!from_begin || !to_end)
+ check_boundary(term, term->curs.x, term->curs.y);
check_selection(term, start, end);
/* Clear screen also forces a full window redraw, just in case. */
ldata = lineptr(start.y);
while (poslt(start, end)) {
if (start.x == term->cols && !erase_lattr)
- ldata[start.x] &= ~LATTR_WRAPPED;
+ ldata[start.x] &= ~(LATTR_WRAPPED | LATTR_WRAPPED2);
else
ldata[start.x] = term->erase_char;
if (incpos(start) && start.y < term->rows)
cursplus.y = term->curs.y;
cursplus.x = term->curs.x + n;
check_selection(term, term->curs, cursplus);
+ check_boundary(term, term->curs.x, term->curs.y);
+ if (dir < 0)
+ check_boundary(term, term->curs.x + n, term->curs.y);
ldata = lineptr(term->curs.y);
if (dir < 0) {
memmove(ldata + term->curs.x, ldata + term->curs.x + n, m * TSIZE);
term->blink_is_real = FALSE;
term->vt52_bold = FALSE;
} else {
- term->blink_is_real = cfg.blinktext;
+ term->blink_is_real = term->cfg.blinktext;
}
break;
case 3: /* 80/132 columns */
deselect(term);
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend, state ? 132 : 80, term->rows);
term->reset_132 = state;
break;
case 47: /* alternate screen */
compatibility(OTHER);
deselect(term);
- swap_screen(term, cfg.no_alt_screen ? 0 : state, FALSE, FALSE);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, FALSE, FALSE);
term->disptop = 0;
break;
case 1000: /* xterm mouse 1 */
case 1047: /* alternate screen */
compatibility(OTHER);
deselect(term);
- swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, TRUE);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, TRUE);
term->disptop = 0;
break;
case 1048: /* save/restore cursor */
if (!state) term->seen_disp_event = TRUE;
compatibility(OTHER);
deselect(term);
- swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
+ swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
if (!state)
save_cursor(term, state);
term->disptop = 0;
switch (term->esc_args[0]) {
case 0:
case 1:
- if (!cfg.no_remote_wintitle)
+ if (!term->cfg.no_remote_wintitle)
set_icon(term->frontend, term->osc_string);
if (term->esc_args[0] == 1)
break;
/* fall through: parameter 0 means set both */
case 2:
case 21:
- if (!cfg.no_remote_wintitle)
+ if (!term->cfg.no_remote_wintitle)
set_title(term->frontend, term->osc_string);
break;
}
static void term_print_setup(Terminal *term)
{
bufchain_clear(&term->printer_buf);
- term->print_job = printer_start_job(cfg.printer);
+ term->print_job = printer_start_job(term->cfg.printer);
}
static void term_print_flush(Terminal *term)
{
* Optionally log the session traffic to a file. Useful for
* debugging and possibly also useful for actual logging.
*/
- if (cfg.logtype == LGTYP_DEBUG && term->logctx)
+ if (term->cfg.logtype == LGTYP_DEBUG && term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_DEBUG);
} else {
c = unget;
case 0:
if (c < 0x80) {
/* UTF-8 must be stateless so we ignore iso2022. */
- if (unitab_ctrl[c] != 0xFF)
- c = unitab_ctrl[c];
+ if (term->ucsdata->unitab_ctrl[c] != 0xFF)
+ c = term->ucsdata->unitab_ctrl[c];
else c = ((unsigned char)c) | ATTR_ASCII;
break;
} else if ((c & 0xe0) == 0xc0) {
}
/* Are we in the nasty ACS mode? Note: no sco in utf mode. */
else if(term->sco_acs &&
- (c!='\033' && c!='\n' && c!='\r' && c!='\b'))
+ (c!='\033' && c!='\012' && c!='\015' && c!='\b'))
{
- if (term->sco_acs == 2) c ^= 0x80;
+ if (term->sco_acs == 2) c |= 0x80;
c |= ATTR_SCOACS;
} else {
switch (term->cset_attr[term->cset]) {
* the same encoding.
*/
case ATTR_LINEDRW:
- if (unitab_ctrl[c] != 0xFF)
- c = unitab_ctrl[c];
+ if (term->ucsdata->unitab_ctrl[c] != 0xFF)
+ c = term->ucsdata->unitab_ctrl[c];
else
c = ((unsigned char) c) | ATTR_LINEDRW;
break;
break;
}
/*FALLTHROUGH*/ case ATTR_ASCII:
- if (unitab_ctrl[c] != 0xFF)
- c = unitab_ctrl[c];
+ if (term->ucsdata->unitab_ctrl[c] != 0xFF)
+ c = term->ucsdata->unitab_ctrl[c];
else
c = ((unsigned char) c) | ATTR_ASCII;
break;
term->curs.x--;
term->wrapnext = FALSE;
fix_cpos;
- if (!cfg.no_dbackspace) /* destructive bksp might be disabled */
+ if (!term->cfg.no_dbackspace) /* destructive bksp might be disabled */
*term->cpos = (' ' | term->curr_attr | ATTR_ASCII);
} else
/* Or normal C0 controls. */
if (term->ldisc) {
char abuf[256], *s, *d;
int state = 0;
- for (s = cfg.answerback, d = abuf; *s; s++) {
+ for (s = term->cfg.answerback, d = abuf; *s; s++) {
if (state) {
if (*s >= 'a' && *s <= 'z')
*d++ = (*s - ('a' - 1));
* t seconds ago.
*/
while (term->beephead &&
- term->beephead->ticks < ticks - cfg.bellovl_t) {
+ term->beephead->ticks < ticks - term->cfg.bellovl_t) {
struct beeptime *tmp = term->beephead;
term->beephead = tmp->next;
sfree(tmp);
term->nbeeps--;
}
- if (cfg.bellovl && term->beep_overloaded &&
- ticks - term->lastbeep >= (unsigned)cfg.bellovl_s) {
+ if (term->cfg.bellovl && term->beep_overloaded &&
+ ticks - term->lastbeep >= (unsigned)term->cfg.bellovl_s) {
/*
* If we're currently overloaded and the
* last beep was more than s seconds ago,
* leave overload mode.
*/
term->beep_overloaded = FALSE;
- } else if (cfg.bellovl && !term->beep_overloaded &&
- term->nbeeps >= cfg.bellovl_n) {
+ } else if (term->cfg.bellovl && !term->beep_overloaded &&
+ term->nbeeps >= term->cfg.bellovl_n) {
/*
* Now, if we have n or more beeps
* remaining in the queue, go into overload
/*
* Perform an actual beep if we're not overloaded.
*/
- if (!cfg.bellovl || !term->beep_overloaded) {
- beep(term->frontend, cfg.beep);
- if (cfg.beep == BELL_VISUAL) {
+ if (!term->cfg.bellovl || !term->beep_overloaded) {
+ beep(term->frontend, term->cfg.beep);
+ if (term->cfg.beep == BELL_VISUAL) {
term->in_vbell = TRUE;
term->vbell_startpoint = ticks;
term_update(term);
term->esc_query = FALSE;
}
break;
- case '\r':
+ case '\015':
term->curs.x = 0;
term->wrapnext = FALSE;
fix_cpos;
}
case '\013':
compatibility(VT100);
- case '\n':
+ case '\012':
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)
term->curs.y++;
- if (cfg.lfhascr)
+ if (term->cfg.lfhascr)
term->curs.x = 0;
fix_cpos;
term->wrapnext = FALSE;
term->logctx)
logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
{
- extern int wcwidth(wchar_t ucs);
int width = 0;
if (DIRECT_CHAR(c))
width = 1;
width = wcwidth((wchar_t) c);
switch (width) {
case 2:
- *term->cpos++ = c | term->curr_attr;
- if (++term->curs.x == term->cols) {
- *term->cpos |= LATTR_WRAPPED;
+ /*
+ * If we're about to display a double-width
+ * character starting in the rightmost
+ * column, then we do something special
+ * instead. We must print a space in the
+ * last column of the screen, then wrap;
+ * and we also set LATTR_WRAPPED2 which
+ * instructs subsequent cut-and-pasting not
+ * only to splice this line to the one
+ * after it, but to ignore the space in the
+ * last character position as well.
+ * (Because what was actually output to the
+ * terminal was presumably just a sequence
+ * of CJK characters, and we don't want a
+ * space to be pasted in the middle of
+ * those just because they had the
+ * misfortune to start in the wrong parity
+ * column. xterm concurs.)
+ */
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_boundary(term, term->curs.x+2, term->curs.y);
+ if (term->curs.x == term->cols-1) {
+ *term->cpos++ = ATTR_ASCII | ' ' | term->curr_attr;
+ *term->cpos |= LATTR_WRAPPED | LATTR_WRAPPED2;
if (term->curs.y == term->marg_b)
scroll(term, term->marg_t, term->marg_b,
1, TRUE);
term->curs.y++;
term->curs.x = 0;
fix_cpos;
+ /* Now we must check_boundary again, of course. */
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_boundary(term, term->curs.x+2, term->curs.y);
}
+ *term->cpos++ = c | term->curr_attr;
*term->cpos++ = UCSWIDE | term->curr_attr;
+ term->curs.x++;
break;
case 1:
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_boundary(term, term->curs.x+1, term->curs.y);
*term->cpos++ = c | term->curr_attr;
break;
default:
if (term->ldisc) /* cause ldisc to notice changes */
ldisc_send(term->ldisc, NULL, 0, 0);
if (term->reset_132) {
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend, 80, term->rows);
term->reset_132 = 0;
}
case ANSI('A', '('):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[0] = ATTR_GBCHR;
break;
case ANSI('B', '('):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[0] = ATTR_ASCII;
break;
case ANSI('0', '('):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[0] = ATTR_LINEDRW;
break;
case ANSI('U', '('):
compatibility(OTHER);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[0] = ATTR_SCOACS;
break;
case ANSI('A', ')'):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[1] = ATTR_GBCHR;
break;
case ANSI('B', ')'):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[1] = ATTR_ASCII;
break;
case ANSI('0', ')'):
compatibility(VT100);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[1] = ATTR_LINEDRW;
break;
case ANSI('U', ')'):
compatibility(OTHER);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->cset_attr[1] = ATTR_SCOACS;
break;
case ANSI('8', '%'): /* Old Linux code */
case ANSI('G', '%'):
compatibility(OTHER);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->utf = 1;
break;
case ANSI('@', '%'):
compatibility(OTHER);
- if (!cfg.no_remote_charset)
+ if (!term->cfg.no_remote_charset)
term->utf = 0;
break;
}
compatibility(VT100);
{
if (term->esc_nargs != 1) break;
- if (term->esc_args[0] == 5 && *cfg.printer) {
+ if (term->esc_args[0] == 5 && *term->cfg.printer) {
term->printing = TRUE;
term->only_printing = !term->esc_query;
term->print_state = 0;
break;
case 10: /* SCO acs off */
compatibility(SCOANSI);
- if (cfg.no_remote_charset) break;
+ if (term->cfg.no_remote_charset) break;
term->sco_acs = 0; break;
case 11: /* SCO acs on */
compatibility(SCOANSI);
- if (cfg.no_remote_charset) break;
+ if (term->cfg.no_remote_charset) break;
term->sco_acs = 1; break;
- case 12: /* SCO acs on flipped */
+ case 12: /* SCO acs on, |0x80 */
compatibility(SCOANSI);
- if (cfg.no_remote_charset) break;
+ if (term->cfg.no_remote_charset) break;
term->sco_acs = 2; break;
case 22: /* disable bold */
compatibility2(OTHER, VT220);
&& (term->esc_args[0] < 1 ||
term->esc_args[0] >= 24)) {
compatibility(VT340TEXT);
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend, term->cols,
def(term->esc_args[0], 24));
deselect(term);
break;
case 3:
if (term->esc_nargs >= 3) {
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
move_window(term->frontend,
def(term->esc_args[1], 0),
def(term->esc_args[2], 0));
break;
case 8:
if (term->esc_nargs >= 3) {
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend,
- def(term->esc_args[2], cfg.width),
- def(term->esc_args[1], cfg.height));
+ def(term->esc_args[2], term->cfg.width),
+ def(term->esc_args[1], term->cfg.height));
}
break;
case 9:
*/
compatibility(VT420);
if (term->esc_nargs == 1 && term->esc_args[0] > 0) {
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend, term->cols,
def(term->esc_args[0],
- cfg.height));
+ term->cfg.height));
deselect(term);
}
break;
*/
compatibility(VT340TEXT);
if (term->esc_nargs <= 1) {
- if (!cfg.no_remote_resize)
+ if (!term->cfg.no_remote_resize)
request_resize(term->frontend,
def(term->esc_args[0],
- cfg.width), term->rows);
+ term->cfg.width), term->rows);
deselect(term);
}
break;
n = term->cols - term->curs.x;
cursplus = term->curs;
cursplus.x += n;
+ check_boundary(term, term->curs.x, term->curs.y);
+ check_boundary(term, term->curs.x+n, term->curs.y);
check_selection(term, term->curs, cursplus);
while (n--)
*p++ = term->erase_char;
* Well we should do a soft reset at this point ...
*/
if (!has_compat(VT420) && has_compat(VT100)) {
- if (!cfg.no_remote_resize) {
+ if (!term->cfg.no_remote_resize) {
if (term->reset_132)
request_resize(132, 24);
else
*
* -- RDB
*/
- if (c == '\n' || c == '\r') {
+ if (c == '\012' || c == '\015') {
term->termstate = TOPLEVEL;
} else if (c == 0234 || c == '\007') {
/*
* emulation.
*/
term->vt52_mode = FALSE;
- term->blink_is_real = cfg.blinktext;
+ term->blink_is_real = term->cfg.blinktext;
break;
#if 0
case '^':
*/
static void do_paint(Terminal *term, Context ctx, int may_optimise)
{
- int i, j, our_curs_y;
+ int i, j, our_curs_y, our_curs_x;
unsigned long rv, cursor;
pos scrpos;
char ch[1024];
/* Has the cursor position or type changed ? */
if (term->cursor_on) {
if (term->has_focus) {
- if (term->blinker || !cfg.blink_cur)
+ if (term->blinker || !term->cfg.blink_cur)
cursor = TATTR_ACTCURS;
else
cursor = 0;
} else
cursor = 0;
our_curs_y = term->curs.y - term->disptop;
+ {
+ /*
+ * Adjust the cursor position in the case where it's
+ * resting on the right-hand half of a CJK wide character.
+ * xterm's behaviour here, which seems adequate to me, is
+ * to display the cursor covering the _whole_ character,
+ * exactly as if it were one space to the left.
+ */
+ unsigned long *ldata = lineptr(term->curs.y);
+ our_curs_x = term->curs.x;
+ if (our_curs_x > 0 &&
+ (ldata[our_curs_x] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
+ our_curs_x--;
+ }
if (term->dispcurs && (term->curstype != cursor ||
term->dispcurs !=
term->disptext + our_curs_y * (term->cols + 1) +
- term->curs.x)) {
+ our_curs_x)) {
if (term->dispcurs > term->disptext &&
- (*term->dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
+ (*term->dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
term->dispcurs[-1] |= ATTR_INVALID;
if ( (term->dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
term->dispcurs[1] |= ATTR_INVALID;
tattr = (*d & (ATTR_MASK ^ CSET_MASK));
switch (tchar & CSET_MASK) {
case ATTR_ASCII:
- tchar = unitab_line[tchar & 0xFF];
+ tchar = term->ucsdata->unitab_line[tchar & 0xFF];
break;
case ATTR_LINEDRW:
- tchar = unitab_xterm[tchar & 0xFF];
+ tchar = term->ucsdata->unitab_xterm[tchar & 0xFF];
break;
case ATTR_SCOACS:
- tchar = unitab_scoacs[tchar&0xFF];
+ tchar = term->ucsdata->unitab_scoacs[tchar&0xFF];
break;
}
tattr |= (tchar & CSET_MASK);
tattr |= ATTR_NARROW;
/* Cursor here ? Save the 'background' */
- if (i == our_curs_y && j == term->curs.x) {
+ if (i == our_curs_y && j == our_curs_x) {
cursor_background = tattr | tchar;
term->dispcurs = term->disptext + idx;
}
if ((term->disptext[idx] ^ tattr) & ATTR_WIDE)
dirty_line = TRUE;
- break_run = (tattr != attr || j - start >= sizeof(ch));
+ break_run = (((tattr ^ attr) & term->attr_mask) ||
+ j - start >= sizeof(ch));
/* Special hack for VT100 Linedraw glyphs */
if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA
&& tchar <= 0xBD) break_run = TRUE;
- if (!dbcs_screenfont && !dirty_line) {
+ if (!term->ucsdata->dbcs_screenfont && !dirty_line) {
if ((tchar | tattr) == term->disptext[idx])
break_run = TRUE;
else if (!dirty_run && ccount == 1)
start = j;
ccount = 0;
attr = tattr;
- if (dbcs_screenfont)
+ if (term->ucsdata->dbcs_screenfont)
last_run_dirty = dirty_run;
dirty_run = dirty_line;
}
if (++j < term->cols) {
idx++;
d++;
- /* Cursor is here ? Ouch! */
- if (i == our_curs_y && j == term->curs.x) {
- cursor_background = *d;
- term->dispcurs = term->disptext + idx;
- }
+ /*
+ * By construction above, the cursor should not
+ * be on the right-hand half of this character.
+ * Ever.
+ */
+ assert(!(i == our_curs_y && j == our_curs_x));
if (term->disptext[idx] != *d)
dirty_run = TRUE;
term->disptext[idx] = *d;
if (i == our_curs_y && (term->curstype != cursor || updated_line)) {
ch[0] = (char) (cursor_background & CHAR_MASK);
attr = (cursor_background & ATTR_MASK) | cursor;
- do_cursor(ctx, term->curs.x, i, ch, 1, attr, lattr);
+ do_cursor(ctx, our_curs_x, i, ch, 1, attr, lattr);
term->curstype = cursor;
}
}
void term_scroll(Terminal *term, int rel, int where)
{
int sbtop = -count234(term->scrollback);
+#ifdef OPTIMISE_SCROLL
+ int olddisptop = term->disptop;
+ int shift;
+#endif /* OPTIMISE_SCROLL */
term->disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : term->disptop) + where;
if (term->disptop < sbtop)
if (term->disptop > 0)
term->disptop = 0;
update_sbar(term);
+#ifdef OPTIMISE_SCROLL
+ shift = (term->disptop - olddisptop);
+ if (shift < term->rows && shift > -term->rows)
+ scroll_display(term, 0, term->rows - 1, shift);
+#endif /* OPTIMISE_SCROLL */
term_update(term);
}
decpos(nlpos);
if (poslt(nlpos, bottom))
nl = TRUE;
+ } else if (ldata[term->cols] & LATTR_WRAPPED2) {
+ /* Ignore the last char on the line in a WRAPPED2 line. */
+ decpos(nlpos);
}
/*
switch (uc & CSET_MASK) {
case ATTR_LINEDRW:
- if (!cfg.rawcnp) {
- uc = unitab_xterm[uc & 0xFF];
+ if (!term->cfg.rawcnp) {
+ uc = term->ucsdata->unitab_xterm[uc & 0xFF];
break;
}
case ATTR_ASCII:
- uc = unitab_line[uc & 0xFF];
+ uc = term->ucsdata->unitab_line[uc & 0xFF];
break;
case ATTR_SCOACS:
- uc = unitab_scoacs[uc&0xFF];
+ uc = term->ucsdata->unitab_scoacs[uc&0xFF];
break;
}
switch (uc & CSET_MASK) {
case ATTR_ACP:
- uc = unitab_font[uc & 0xFF];
+ uc = term->ucsdata->unitab_font[uc & 0xFF];
break;
case ATTR_OEMCP:
- uc = unitab_oemcp[uc & 0xFF];
+ uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
break;
}
char buf[4];
WCHAR wbuf[4];
int rv;
- if (is_dbcs_leadbyte(font_codepage, (BYTE) c)) {
+ if (is_dbcs_leadbyte(term->ucsdata->font_codepage, (BYTE) c)) {
buf[0] = c;
- buf[1] = ldata[top.x + 1];
- rv = mb_to_wc(font_codepage, 0, buf, 2, wbuf, 4);
+ buf[1] = (char) (0xFF & ldata[top.x + 1]);
+ rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 2, wbuf, 4);
top.x++;
} else {
buf[0] = c;
- rv = mb_to_wc(font_codepage, 0, buf, 1, wbuf, 4);
+ rv = mb_to_wc(term->ucsdata->font_codepage, 0, buf, 1, wbuf, 4);
}
if (rv > 0) {
switch (uc & CSET_MASK) {
case ATTR_LINEDRW:
- uc = unitab_xterm[uc & 0xFF];
+ uc = term->ucsdata->unitab_xterm[uc & 0xFF];
break;
case ATTR_ASCII:
- uc = unitab_line[uc & 0xFF];
+ uc = term->ucsdata->unitab_line[uc & 0xFF];
break;
case ATTR_SCOACS:
- uc = unitab_scoacs[uc&0xFF];
+ uc = term->ucsdata->unitab_scoacs[uc&0xFF];
break;
}
switch (uc & CSET_MASK) {
case ATTR_ACP:
- uc = unitab_font[uc & 0xFF];
+ uc = term->ucsdata->unitab_font[uc & 0xFF];
break;
case ATTR_OEMCP:
- uc = unitab_oemcp[uc & 0xFF];
+ uc = term->ucsdata->unitab_oemcp[uc & 0xFF];
break;
}
/* For DBCS font's I can't do anything usefull. Even this will sometimes
* fail as there's such a thing as a double width space. :-(
*/
- if (dbcs_screenfont && font_codepage == line_codepage)
+ if (term->ucsdata->dbcs_screenfont &&
+ term->ucsdata->font_codepage == term->ucsdata->line_codepage)
return (uc != ' ');
if (uc < 0x80)
* In this mode, the units are maximal runs of characters
* whose `wordness' has the same value.
*/
- wvalue = wordtype(term, ldata[p.x]);
+ wvalue = wordtype(term, UCSGET(ldata, p.x));
if (dir == +1) {
while (1) {
- if (p.x < term->cols-1) {
- if (wordtype(term, ldata[p.x + 1]) == wvalue)
+ int maxcols = (ldata[term->cols] & LATTR_WRAPPED2 ?
+ term->cols-1 : term->cols);
+ if (p.x < maxcols-1) {
+ if (wordtype(term, UCSGET(ldata, p.x + 1)) == wvalue)
p.x++;
else
break;
if (ldata[term->cols] & LATTR_WRAPPED) {
unsigned long *ldata2;
ldata2 = lineptr(p.y+1);
- if (wordtype(term, ldata2[0]) == wvalue) {
+ if (wordtype(term, UCSGET(ldata2, 0)) == wvalue) {
p.x = 0;
p.y++;
ldata = ldata2;
} else {
while (1) {
if (p.x > 0) {
- if (wordtype(term, ldata[p.x - 1]) == wvalue)
+ if (wordtype(term, UCSGET(ldata, p.x - 1)) == wvalue)
p.x--;
else
break;
} else {
unsigned long *ldata2;
+ int maxcols;
if (p.y <= topy)
break;
ldata2 = lineptr(p.y-1);
- if ((ldata2[term->cols] & LATTR_WRAPPED) &&
- wordtype(term, ldata2[term->cols-1]) == wvalue) {
- p.x = term->cols-1;
- p.y--;
- ldata = ldata2;
+ maxcols = (ldata2[term->cols] & LATTR_WRAPPED2 ?
+ term->cols-1 : term->cols);
+ if (ldata2[term->cols] & LATTR_WRAPPED) {
+ if (wordtype(term, UCSGET(ldata2, maxcols-1))
+ == wvalue) {
+ p.x = maxcols-1;
+ p.y--;
+ ldata = ldata2;
+ } else
+ break;
} else
break;
}
if (p <= data + len - sel_nl_sz &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
- term->paste_buffer[term->paste_len++] = '\r';
+ term->paste_buffer[term->paste_len++] = '\015';
p += sel_nl_sz;
}
q = p;
pos selpoint;
unsigned long *ldata;
int raw_mouse = (term->xterm_mouse &&
- !cfg.no_mouse_rep &&
- !(cfg.mouse_override && shift));
+ !term->cfg.no_mouse_rep &&
+ !(term->cfg.mouse_override && shift));
int default_seltype;
if (y < 0) {
* Set the selection type (rectangular or normal) at the start
* of a selection attempt, from the state of Alt.
*/
- if (!alt ^ !cfg.rect_select)
+ if (!alt ^ !term->cfg.rect_select)
default_seltype = RECTANGULAR;
else
default_seltype = LEXICOGRAPHIC;
while (term->paste_pos < term->paste_len) {
int n = 0;
while (n + term->paste_pos < term->paste_len) {
- if (term->paste_buffer[term->paste_pos + n++] == '\r')
+ if (term->paste_buffer[term->paste_pos + n++] == '\015')
break;
}
if (term->ldisc)
projects / u / mdw / putty / blobdiff