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Look for setrgbf and setrgbb terminfo extensions for RGB colour. This is

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the most reasonable of the various (some bizarre) suggestions for
capabilities.
This commit is contained in:
nicm
2017-05-31 08:43:44 +00:00
parent aad4e4ddb1
commit 7eb496c00c
3 changed files with 122 additions and 85 deletions
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30
tty.c
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@@ -472,6 +472,14 @@ tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
tty_puts(tty, tty_term_string2(tty->term, code, a, b));
}
void
tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
{
if (a < 0 || b < 0 || c < 0)
return;
tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
}
void
tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
{
@@ -1847,7 +1855,7 @@ tty_check_fg(struct tty *tty, const struct window_pane *wp,
/* 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_flag(tty->term, TTYC_TC)) {
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
@@ -1900,7 +1908,7 @@ tty_check_bg(struct tty *tty, const struct window_pane *wp,
/* 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_flag(tty->term, TTYC_TC)) {
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
@@ -2031,13 +2039,17 @@ tty_try_colour(struct tty *tty, int colour, const char *type)
}
if (colour & COLOUR_FLAG_RGB) {
if (!tty_term_flag(tty->term, TTYC_TC))
return (-1);
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
r, g, b);
tty_puts(tty, s);
if (*type == '3') {
if (!tty_term_has(tty->term, TTYC_SETRGBF))
return (-1);
colour_split_rgb(colour & 0xffffff, &r, &g, &b);
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);
tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
}
return (0);
}