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-rw-r--r--tmux.h1
-rw-r--r--tty-term.c8
-rw-r--r--tty.c13
3 files changed, 16 insertions, 6 deletions
diff --git a/tmux.h b/tmux.h
index b8fc0e66..aab21fc4 100644
--- a/tmux.h
+++ b/tmux.h
@@ -399,6 +399,7 @@ enum tty_code_code {
TTYC_MS,
TTYC_OP,
TTYC_REV,
+ TTYC_RGB,
TTYC_RI,
TTYC_RMACS,
TTYC_RMCUP,
diff --git a/tty-term.c b/tty-term.c
index 0807f858..b9afd96c 100644
--- a/tty-term.c
+++ b/tty-term.c
@@ -237,6 +237,7 @@ static const struct tty_term_code_entry tty_term_codes[] = {
[TTYC_MS] = { TTYCODE_STRING, "Ms" },
[TTYC_OP] = { TTYCODE_STRING, "op" },
[TTYC_REV] = { TTYCODE_STRING, "rev" },
+ [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
[TTYC_RI] = { TTYCODE_STRING, "ri" },
[TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
[TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
@@ -525,8 +526,11 @@ tty_term_find(char *name, int fd, char **cause)
code->type = TTYCODE_STRING;
}
- /* On terminals with RGB colour (TC), fill in setrgbf and setrgbb. */
- if (tty_term_flag(term, TTYC_TC) &&
+ /*
+ * 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];
diff --git a/tty.c b/tty.c
index 01208a25..b293d41d 100644
--- a/tty.c
+++ b/tty.c
@@ -2051,11 +2051,15 @@ tty_try_colour(struct tty *tty, int colour, const char *type)
if (colour & COLOUR_FLAG_256) {
/*
- * If the user has specified -2 to the client, setaf and setab
- * may not work (or they may not want to use them), so send the
- * usual sequence.
+ * If the user has specified -2 to the client (meaning
+ * TERM_256COLOURS is set), setaf and setab may not work (or
+ * they may not want to use them), so send the usual sequence.
+ *
+ * Also if RGB is set, setaf and setab do not support the 256
+ * colour palette so use the sequences directly there too.
*/
- if (tty->term_flags & TERM_256COLOURS)
+ if ((tty->term_flags & TERM_256COLOURS) ||
+ tty_term_has(tty->term, TTYC_RGB))
goto fallback_256;
/*
@@ -2096,6 +2100,7 @@ tty_try_colour(struct tty *tty, int colour, const char *type)
fallback_256:
xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
+ log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
tty_puts(tty, s);
return (0);
}