* store a two-byte value with the top bit clear (indicating
* just that value), or a four-byte value with the top bit set
* (indicating the same value with its top bit clear).
+ *
+ * However, first I permute the bits of the attribute value, so
+ * that the eight bits of colour (four in each of fg and bg)
+ * which are never non-zero unless xterm 256-colour mode is in
+ * use are placed higher up the word than everything else. This
+ * ensures that attribute values remain 16-bit _unless_ the
+ * user uses extended colour.
*/
- if (c->attr < 0x8000) {
- add(b, (unsigned char)((c->attr >> 8) & 0xFF));
- add(b, (unsigned char)(c->attr & 0xFF));
+ unsigned attr, colourbits;
+
+ attr = c->attr;
+
+ assert(ATTR_BGSHIFT > ATTR_FGSHIFT);
+
+ colourbits = (attr >> (ATTR_BGSHIFT + 4)) & 0xF;
+ colourbits <<= 4;
+ colourbits |= (attr >> (ATTR_FGSHIFT + 4)) & 0xF;
+
+ attr = (((attr >> (ATTR_BGSHIFT + 8)) << (ATTR_BGSHIFT + 4)) |
+ (attr & ((1 << (ATTR_BGSHIFT + 4))-1)));
+ attr = (((attr >> (ATTR_FGSHIFT + 8)) << (ATTR_FGSHIFT + 4)) |
+ (attr & ((1 << (ATTR_FGSHIFT + 4))-1)));
+
+ attr |= (colourbits << (32-9));
+
+ if (attr < 0x8000) {
+ add(b, (unsigned char)((attr >> 8) & 0xFF));
+ add(b, (unsigned char)(attr & 0xFF));
} else {
- add(b, (unsigned char)(((c->attr >> 24) & 0x7F) | 0x80));
- add(b, (unsigned char)((c->attr >> 16) & 0xFF));
- add(b, (unsigned char)((c->attr >> 8) & 0xFF));
- add(b, (unsigned char)(c->attr & 0xFF));
+ add(b, (unsigned char)(((attr >> 24) & 0x7F) | 0x80));
+ add(b, (unsigned char)((attr >> 16) & 0xFF));
+ add(b, (unsigned char)((attr >> 8) & 0xFF));
+ add(b, (unsigned char)(attr & 0xFF));
}
}
static void makeliteral_cc(struct buf *b, termchar *c, unsigned long *state)
static void readliteral_attr(struct buf *b, termchar *c, termline *ldata,
unsigned long *state)
{
- int val;
+ unsigned val, attr, colourbits;
val = get(b) << 8;
val |= get(b);
if (val >= 0x8000) {
+ val &= ~0x8000;
val <<= 16;
val |= get(b) << 8;
val |= get(b);
}
- c->attr = val;
+ colourbits = (val >> (32-9)) & 0xFF;
+ attr = (val & ((1<<(32-9))-1));
+
+ attr = (((attr >> (ATTR_FGSHIFT + 4)) << (ATTR_FGSHIFT + 8)) |
+ (attr & ((1 << (ATTR_FGSHIFT + 4))-1)));
+ attr = (((attr >> (ATTR_BGSHIFT + 4)) << (ATTR_BGSHIFT + 8)) |
+ (attr & ((1 << (ATTR_BGSHIFT + 4))-1)));
+
+ attr |= (colourbits >> 4) << (ATTR_BGSHIFT + 4);
+ attr |= (colourbits & 0xF) << (ATTR_FGSHIFT + 4);
+
+ c->attr = attr;
}
static void readliteral_cc(struct buf *b, termchar *c, termline *ldata,
unsigned long *state)
term_update(term);
}
+static void term_schedule_update(Terminal *term)
+{
+ if (!term->window_update_pending) {
+ term->window_update_pending = TRUE;
+ term->next_update = schedule_timer(UPDATE_DELAY, term_timer, term);
+ }
+}
+
/*
* Call this whenever the terminal window state changes, to queue
* an update.
static void seen_disp_event(Terminal *term)
{
term->seen_disp_event = TRUE; /* for scrollback-reset-on-activity */
- if (!term->window_update_pending) {
- term->window_update_pending = TRUE;
- term->next_update = schedule_timer(UPDATE_DELAY, term_timer, term);
- }
+ term_schedule_update(term);
}
/*
/* xterm-style bright foreground */
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr |=
- ((term->esc_args[i] - 90 + 16)
+ ((term->esc_args[i] - 90 + 8)
<< ATTR_FGSHIFT);
break;
case 39: /* default-foreground */
/* xterm-style bright background */
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |=
- ((term->esc_args[i] - 100 + 16)
+ ((term->esc_args[i] - 100 + 8)
<< ATTR_BGSHIFT);
break;
case 49: /* default-background */
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |= ATTR_DEFBG;
break;
+ case 38: /* xterm 256-colour mode */
+ if (i+2 < term->esc_nargs &&
+ term->esc_args[i+1] == 5) {
+ term->curr_attr &= ~ATTR_FGMASK;
+ term->curr_attr |=
+ ((term->esc_args[i+2] & 0xFF)
+ << ATTR_FGSHIFT);
+ i += 2;
+ }
+ break;
+ case 48: /* xterm 256-colour mode */
+ if (i+2 < term->esc_nargs &&
+ term->esc_args[i+1] == 5) {
+ term->curr_attr &= ~ATTR_BGMASK;
+ term->curr_attr |=
+ ((term->esc_args[i+2] & 0xFF)
+ << ATTR_BGSHIFT);
+ i += 2;
+ }
+ break;
}
}
set_erase_char(term);
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)) <<
+ (term->esc_args[0] & 0x8)) <<
ATTR_FGSHIFT;
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr |= colour;
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)) <<
+ (term->esc_args[0] & 0x8)) <<
ATTR_BGSHIFT;
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr |= colour;
term->termstate = TOPLEVEL;
term->curr_attr &= ~ATTR_FGMASK;
term->curr_attr &= ~ATTR_BOLD;
- term->curr_attr |= (c & 0x7) << ATTR_FGSHIFT;
- if ((c & 0x8) || term->vt52_bold)
- term->curr_attr |= ATTR_BOLD;
-
+ term->curr_attr |= (c & 0xF) << ATTR_FGSHIFT;
set_erase_char(term);
break;
case VT52_BG:
term->termstate = TOPLEVEL;
term->curr_attr &= ~ATTR_BGMASK;
term->curr_attr &= ~ATTR_BLINK;
- term->curr_attr |= (c & 0x7) << ATTR_BGSHIFT;
-
- /* Note: bold background */
- if (c & 0x8)
- term->curr_attr |= ATTR_BLINK;
-
+ term->curr_attr |= (c & 0xF) << ATTR_BGSHIFT;
set_erase_char(term);
break;
#endif
static void term_bidi_cache_store(Terminal *term, int line, termchar *lbefore,
termchar *lafter, bidi_char *wcTo,
- int width)
+ int width, int size)
{
int i;
term->post_bidi_cache[j].chars = NULL;
term->pre_bidi_cache[j].width =
term->post_bidi_cache[j].width = -1;
+ term->pre_bidi_cache[j].forward =
+ term->post_bidi_cache[j].forward = NULL;
+ term->pre_bidi_cache[j].backward =
+ term->post_bidi_cache[j].backward = NULL;
j++;
}
}
sfree(term->pre_bidi_cache[line].chars);
sfree(term->post_bidi_cache[line].chars);
+ sfree(term->post_bidi_cache[line].forward);
+ sfree(term->post_bidi_cache[line].backward);
term->pre_bidi_cache[line].width = width;
- term->pre_bidi_cache[line].chars = snewn(width, termchar);
+ term->pre_bidi_cache[line].chars = snewn(size, termchar);
term->post_bidi_cache[line].width = width;
- term->post_bidi_cache[line].chars = snewn(width, termchar);
+ term->post_bidi_cache[line].chars = snewn(size, termchar);
term->post_bidi_cache[line].forward = snewn(width, int);
term->post_bidi_cache[line].backward = snewn(width, int);
- memcpy(term->pre_bidi_cache[line].chars, lbefore, width * TSIZE);
- memcpy(term->post_bidi_cache[line].chars, lafter, width * TSIZE);
+ memcpy(term->pre_bidi_cache[line].chars, lbefore, size * TSIZE);
+ memcpy(term->post_bidi_cache[line].chars, lafter, size * TSIZE);
memset(term->post_bidi_cache[line].forward, 0, width * sizeof(int));
memset(term->post_bidi_cache[line].backward, 0, width * sizeof(int));
term->ltemp[it].chr = term->wcTo[it].wc;
}
term_bidi_cache_store(term, scr_y, ldata->chars,
- term->ltemp, term->wcTo, ldata->size);
+ term->ltemp, term->wcTo,
+ term->cols, ldata->size);
lchars = term->ltemp;
} else {
tattr = (tattr & ~(ATTR_FGMASK | ATTR_BGMASK)) |
ATTR_DEFFG | ATTR_DEFBG;
+ if (!term->cfg.xterm_256_colour) {
+ int colour;
+ colour = (tattr & ATTR_FGMASK) >> ATTR_FGSHIFT;
+ if (colour >= 16 && colour < 256)
+ tattr = (tattr &~ ATTR_FGMASK) | ATTR_DEFFG;
+ colour = (tattr & ATTR_BGMASK) >> ATTR_BGSHIFT;
+ if (colour >= 16 && colour < 256)
+ tattr = (tattr &~ ATTR_BGMASK) | ATTR_DEFBG;
+ }
+
switch (tchar & CSET_MASK) {
case CSET_ASCII:
tchar = term->ucsdata->unitab_line[tchar & 0xFF];
for (i = 0; i < term->rows; i++)
for (j = 0; j < term->cols; j++)
term->disptext[i]->chars[j].attr = ATTR_INVALID;
+
+ term_schedule_update(term);
}
/*
if (immediately) {
do_paint (term, ctx, FALSE);
} else {
- if (!term->window_update_pending) {
- term->window_update_pending = TRUE;
- term->next_update = schedule_timer(UPDATE_DELAY, term_timer, term);
- }
+ term_schedule_update(term);
}
}