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If we can identify the terminal as iTerm2 or as tmux, we can be sure 

they support 256 and RGB colours, so set those flags too.
pull/2075/head
nicm 2020-01-28 11:39:51 +00:00
parent 84995ae172
commit a6129e9974
4 changed files with 28 additions and 32 deletions
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1
tmux.h
View File

@ -1171,6 +1171,7 @@ struct tty_term {
#define TERM_NOXENL 0x2
#define TERM_DECSLRM 0x4
#define TERM_DECFRA 0x8
#define TERM_RGBCOLOURS 0x10
int flags;
LIST_ENTRY(tty_term) entry;

4
tty-keys.c
View File

@ -1117,7 +1117,9 @@ tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
/* Set terminal flags. */
if (strncmp(tmp, "ITERM2 ", 7) == 0)
flags |= TERM_DECSLRM;
flags |= (TERM_DECSLRM|TERM_256COLOURS|TERM_RGBCOLOURS);
if (strncmp(tmp, "TMUX ", 5) == 0)
flags |= (TERM_256COLOURS|TERM_RGBCOLOURS);
log_debug("%s: received DSR %.*s", c->name, (int)*size, buf);
tty_set_flags(tty, flags);

28
tty-term.c
View File

@ -522,11 +522,16 @@ tty_term_find(char *name, int fd, char **cause)
goto error;
}
/* Figure out if we have 256 colours (or more). */
if (tty_term_number(term, TTYC_COLORS) >= 256 ||
tty_term_has(term, TTYC_RGB))
/* Set flag if terminal has 256 colours. */
if (tty_term_number(term, TTYC_COLORS) >= 256)
term->flags |= TERM_256COLOURS;
/* Set flag if terminal has RGB colours. */
if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) ||
(tty_term_has(term, TTYC_SETRGBF) &&
tty_term_has(term, TTYC_SETRGBB)))
term->flags |= TERM_RGBCOLOURS;
/*
* Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
* rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
@ -561,22 +566,7 @@ tty_term_find(char *name, int fd, char **cause)
code->type = TTYCODE_STRING;
}
/*
* On terminals with RGB colour (Tc or RGB), fill in setrgbf and
* setrgbb if they are missing.
*/
if ((tty_term_flag(term, TTYC_TC) || tty_term_flag(term, TTYC_RGB)) &&
!tty_term_has(term, TTYC_SETRGBF) &&
!tty_term_has(term, TTYC_SETRGBB)) {
code = &term->codes[TTYC_SETRGBF];
code->value.string = xstrdup("\033[38;2;%p1%d;%p2%d;%p3%dm");
code->type = TTYCODE_STRING;
code = &term->codes[TTYC_SETRGBB];
code->value.string = xstrdup("\033[48;2;%p1%d;%p2%d;%p3%dm");
code->type = TTYCODE_STRING;
}
/* Log it. */
/* Log the capabilities. */
for (i = 0; i < tty_term_ncodes(); i++)
log_debug("%s%s", name, tty_term_describe(term, i));

27
tty.c
View File

@ -2386,11 +2386,10 @@ tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
/* Is this a 24-bit colour? */
if (gc->fg & COLOUR_FLAG_RGB) {
/* Not a 24-bit terminal? Translate to 256-colour palette. */
if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
colour_split_rgb(gc->fg, &r, &g, &b);
gc->fg = colour_find_rgb(r, g, b);
} else
if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
return;
colour_split_rgb(gc->fg, &r, &g, &b);
gc->fg = colour_find_rgb(r, g, b);
}
/* How many colours does this terminal have? */
@ -2436,11 +2435,10 @@ tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
/* Is this a 24-bit colour? */
if (gc->bg & COLOUR_FLAG_RGB) {
/* Not a 24-bit terminal? Translate to 256-colour palette. */
if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
colour_split_rgb(gc->bg, &r, &g, &b);
gc->bg = colour_find_rgb(r, g, b);
} else
if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
return;
colour_split_rgb(gc->bg, &r, &g, &b);
gc->bg = colour_find_rgb(r, g, b);
}
/* How many colours does this terminal have? */
@ -2617,15 +2615,14 @@ tty_try_colour(struct tty *tty, int colour, const char *type)
}
if (colour & COLOUR_FLAG_RGB) {
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
if (*type == '3') {
if (!tty_term_has(tty->term, TTYC_SETRGBF))
return (-1);
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
goto fallback_rgb;
tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
} else {
if (!tty_term_has(tty->term, TTYC_SETRGBB))
return (-1);
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
goto fallback_rgb;
tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
}
return (0);
@ -2638,6 +2635,12 @@ fallback_256:
log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
tty_puts(tty, s);
return (0);
fallback_rgb:
xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
tty_puts(tty, s);
return (0);
}
static void