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Support combined OSC 4 responses when querying palette

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This commit is contained in:
Marcin Kulik
2026-02-03 18:07:00 +01:00
parent ecbd487080
commit 9f3ec23c3d
1 changed files with 36 additions and 9 deletions
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45
src/tty.rs
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@@ -280,18 +280,24 @@ fn parse_theme_response(response: &[u8]) -> Option<TtyTheme> {
}
"4" => {
let Some(i) = p2.parse::<u8>().ok() else {
continue;
};
let mut next = Some(p2);
let Some(p3) = params.next() else {
continue;
};
while let Some(i_str) = next {
let Ok(i) = i_str.parse::<u8>() else {
break;
};
if i < 16 {
if let Some(c) = p3.strip_prefix("rgb:") {
palette[i as usize] = parse_color(c);
let Some(p3) = params.next() else {
break;
};
if i < 16 {
if let Some(c) = p3.strip_prefix("rgb:") {
palette[i as usize] = parse_color(c);
}
}
next = params.next();
}
}
@@ -418,6 +424,27 @@ mod tests {
assert_eq!(theme.palette[15], RGB8::new(0xdd, 0xee, 0xff));
}
#[test]
fn parse_theme_response_osc4_packed() {
let response = concat!(
"\x1b]10;rgb:1122/3344/5566\x07",
"\x1b]11;rgb:7788/99aa/bbcc\x07",
"\x1b]4;0;rgb:0000/1111/2222;1;rgb:3333/4444/5555;2;rgb:6666/7777/8888\x07",
"\x1b]4;3;rgb:9999/aaaa/bbbb;4;rgb:cccc/dddd/eeee;5;rgb:ffff/0000/1111\x07",
"\x1b]4;6;rgb:2222/3333/4444;7;rgb:5555/6666/7777;8;rgb:8888/9999/aaaa\x07",
"\x1b]4;9;rgb:bbbb/cccc/dddd;10;rgb:eeee/ffff/0000;11;rgb:1111/2222/3333\x07",
"\x1b]4;12;rgb:4444/5555/6666;13;rgb:7777/8888/9999;14;rgb:aaaa/bbbb/cccc;15;rgb:dddd/eeee/ffff\x07",
)
.as_bytes();
let theme = super::parse_theme_response(response).expect("theme");
assert_eq!(theme.fg, RGB8::new(0x11, 0x33, 0x55));
assert_eq!(theme.bg, RGB8::new(0x77, 0x99, 0xbb));
assert_eq!(theme.palette.len(), 16);
assert_eq!(theme.palette[0], RGB8::new(0x00, 0x11, 0x22));
assert_eq!(theme.palette[15], RGB8::new(0xdd, 0xee, 0xff));
}
#[test]
fn parse_theme_response_missing_colors() {
let response = b"\x1b]10;rgb:1122/3344/5566\x07";