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Add support for the OSC 4 and OSC 104 palette setting escape sequences,

Browse Source 
from S Gilles.
This commit is contained in:
nicm
2017-01-07 15:28:13 +00:00
parent cae0fbbe8c
commit 314e933914
9 changed files with 185 additions and 20 deletions
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36
tty.c
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@ -48,8 +48,10 @@ static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
u_int);
static void tty_colours(struct tty *, const struct grid_cell *);
static void tty_check_fg(struct tty *, struct grid_cell *);
static void tty_check_bg(struct tty *, struct grid_cell *);
static void tty_check_fg(struct tty *, const struct window_pane *,
struct grid_cell *);
static void tty_check_bg(struct tty *, const struct window_pane *,
struct grid_cell *);
static void tty_colours_fg(struct tty *, const struct grid_cell *);
static void tty_colours_bg(struct tty *, const struct grid_cell *);
@ -1507,8 +1509,8 @@ tty_attributes(struct tty *tty, const struct grid_cell *gc,
}
/* Fix up the colours if necessary. */
tty_check_fg(tty, &gc2);
tty_check_bg(tty, &gc2);
tty_check_fg(tty, wp, &gc2);
tty_check_bg(tty, wp, &gc2);
/* If any bits are being cleared, reset everything. */
if (tc->attr & ~gc2.attr)
@ -1604,12 +1606,18 @@ tty_colours(struct tty *tty, const struct grid_cell *gc)
tty_colours_bg(tty, gc);
}
void
tty_check_fg(struct tty *tty, struct grid_cell *gc)
static void
tty_check_fg(struct tty *tty, const struct window_pane *wp,
struct grid_cell *gc)
{
u_char r, g, b;
u_int colours;
/* Perform substitution if this pane has a palette */
if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
gc->fg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->fg))
gc->fg = wp->palette[gc->fg & 0xff];
/* Is this a 24-bit colour? */
if (gc->fg & COLOUR_FLAG_RGB) {
/* Not a 24-bit terminal? Translate to 256-colour palette. */
@ -1646,12 +1654,18 @@ tty_check_fg(struct tty *tty, struct grid_cell *gc)
}
}
void
tty_check_bg(struct tty *tty, struct grid_cell *gc)
static void
tty_check_bg(struct tty *tty, const struct window_pane *wp,
struct grid_cell *gc)
{
u_char r, g, b;
u_int colours;
/* Perform substitution if this pane has a palette */
if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
gc->bg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->bg))
gc->bg = wp->palette[gc->bg & 0xff];
/* Is this a 24-bit colour? */
if (gc->bg & COLOUR_FLAG_RGB) {
/* Not a 24-bit terminal? Translate to 256-colour palette. */
@ -1826,6 +1840,9 @@ tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
gc->fg = agc->fg;
else
gc->fg = wgc->fg;
if (gc->fg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->fg))
gc->fg = wp->palette[gc->fg & 0xff];
}
if (gc->bg == 8) {
@ -1835,6 +1852,9 @@ tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
gc->bg = agc->bg;
else
gc->bg = wgc->bg;
if (gc->bg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->bg))
gc->bg = wp->palette[gc->bg & 0xff];
}
}