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Add options for custom background colors

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This commit is contained in:
Lars Christensen 2025-07-30 12:35:51 +02:00
parent 83303bd2a4
commit 64682f642d
5 changed files with 33 additions and 1 deletions
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9
config.c
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@ -1388,6 +1388,15 @@ parse_color_theme(struct context *ctx, struct color_theme *theme)
return true;
}
else if (key_len == 11 && str_has_prefix(key, "background") && last_digit < 8)
{
if (!value_to_color(ctx, &theme->background[last_digit], false))
return false;
theme->use_custom.background |= 1 << last_digit;
return true;
}
else if (str_has_prefix(key, "sixel") &&
((key_len == 6 && last_digit < 10) ||
(key_len == 7 && key[5] == '1' && last_digit < 6)))

2
config.h
View file

@ -143,6 +143,7 @@ struct color_theme {
uint32_t url;
uint32_t dim[8];
uint32_t background[8];
uint32_t sixel[16];
enum {
@ -186,6 +187,7 @@ struct color_theme {
bool search_box_no_match:1;
bool search_box_match:1;
uint8_t dim;
uint8_t background;
} use_custom;
};

8
doc/foot.ini.5.scd
View file

@ -1017,6 +1017,14 @@ dark theme (since the default theme is dark).
_e9e836_, _5dc5f8_, _feabf2_, _24dfc4_, _ffffff_ (starlight
theme, V4).
*background0*, *background1* *..* *background7*
Custom colors to use for background colors. By default the eight
foreground colors are used.
Note that applications can change the *regularN* colors at runtime
which affects the background colors when *backgroundN* is not
defined.
*dim0*, *dim1* *..* *dim7*
Custom colors to use with dimmed colors. Dimmed colors do not have
an entry in the color palette. Applications emit them by combining

10
foot.ini
View file

@ -134,6 +134,16 @@
# ...
# dim7=<not-set>
## custom background colors (see foot.ini(5) man page)
# background0=<not set> # black
# background1=<not set> # red
# background2=<not set> # green
# background3=<not set> # yellow
# background4=<not set> # blue
# background5=<not set> # magenta
# background6=<not set> # cyan
# background7=<not set> # white
## The remaining 256-color palette
# 16 = <256-color palette #16>
# ...

5
render.c
View file

@ -725,7 +725,10 @@ render_cell(struct terminal *term, pixman_image_t *pix,
case COLOR_BASE16:
case COLOR_BASE256:
xassert(cell->attrs.bg < ALEN(term->colors.table));
_bg = term->colors.table[cell->attrs.bg];
if (cell->attrs.bg < 8 && term->conf->colors.use_custom.background & (1 << cell->attrs.bg))
_bg = term->conf->colors.background[cell->attrs.bg];
else
_bg = term->colors.table[cell->attrs.bg];
break;
case COLOR_DEFAULT: