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Use the setal capability as well as (tmux's) Setulc.

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This commit is contained in:
nicm
2020-10-05 09:53:01 +00:00
parent f2dfc2759e
commit c8f3736b07
5 changed files with 31 additions and 12 deletions
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32
tty.c
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@ -2543,7 +2543,7 @@ tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
/* Is this a 24-bit or 256-colour colour? */
if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
if (tty_try_colour(tty, gc->fg, "38") == 0)
goto save_fg;
goto save;
/* Should not get here, already converted in tty_check_fg. */
return;
}
@ -2555,13 +2555,13 @@ tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
tty_puts(tty, s);
} else
tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
goto save_fg;
goto save;
}
/* Otherwise set the foreground colour. */
tty_putcode1(tty, TTYC_SETAF, gc->fg);
save_fg:
save:
/* Save the new values in the terminal current cell. */
tc->fg = gc->fg;
}
@ -2575,7 +2575,7 @@ tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
/* Is this a 24-bit or 256-colour colour? */
if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
if (tty_try_colour(tty, gc->bg, "48") == 0)
goto save_bg;
goto save;
/* Should not get here, already converted in tty_check_bg. */
return;
}
@ -2587,13 +2587,13 @@ tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
tty_puts(tty, s);
} else
tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
goto save_bg;
goto save;
}
/* Otherwise set the background colour. */
tty_putcode1(tty, TTYC_SETAB, gc->bg);
save_bg:
save:
/* Save the new values in the terminal current cell. */
tc->bg = gc->bg;
}
@ -2605,20 +2605,34 @@ tty_colours_us(struct tty *tty, const struct grid_cell *gc)
u_int c;
u_char r, g, b;
/* Clear underline colour. */
if (gc->us == 0) {
tty_putcode(tty, TTYC_OL);
goto save;
}
/* Must be an RGB colour - this should never happen. */
if (~gc->us & COLOUR_FLAG_RGB)
return;
/*
* Setulc follows the ncurses(3) one argument "direct colour"
* Setulc and setal follows the ncurses(3) one argument "direct colour"
* capability format. Calculate the colour value.
*/
colour_split_rgb(gc->us, &r, &g, &b);
c = (65536 * r) + (256 * g) + b;
/* Write the colour. */
tty_putcode1(tty, TTYC_SETULC, c);
/*
* Write the colour. Only use setal if the RGB flag is set because the
* non-RGB version may be wrong.
*/
if (tty_term_has(tty->term, TTYC_SETULC))
tty_putcode1(tty, TTYC_SETULC, c);
else if (tty_term_has(tty->term, TTYC_SETAL) &&
tty_term_has(tty->term, TTYC_RGB))
tty_putcode1(tty, TTYC_SETAL, c);
save:
/* Save the new values in the terminal current cell. */
tc->us = gc->us;
}