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terminal: support 58;5 for setting underline color via 256 palette

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Fixes #1013
This commit is contained in:
Mitchell Hashimoto
2023-12-07 14:57:07 -08:00
parent 3f76094d84
commit 84a0e4e62d
3 changed files with 19 additions and 0 deletions
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13
src/terminal/sgr.zig
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@@ -34,6 +34,7 @@ pub const Attribute = union(enum) {
underline: Underline,
reset_underline: void,
underline_color: color.RGB,
@"256_underline_color": u8,
reset_underline_color: void,
/// Blink the text
@@ -253,6 +254,11 @@ pub const Parser = struct {
.b = @truncate(rgb[2]),
},
};
} else if (slice.len >= 3 and slice[1] == 5) {
self.idx += 2;
return Attribute{
.@"256_underline_color" = @truncate(slice[2]),
};
},
59 => return Attribute{ .reset_underline_color = {} },
@@ -462,6 +468,13 @@ test "sgr: 256 color" {
var p: Parser = .{ .params = &[_]u16{ 38, 5, 161, 48, 5, 236 } };
try testing.expect(p.next().? == .@"256_fg");
try testing.expect(p.next().? == .@"256_bg");
try testing.expect(p.next() == null);
}
test "sgr: 256 color underline" {
var p: Parser = .{ .params = &[_]u16{ 58, 5, 9 } };
try testing.expect(p.next().? == .@"256_underline_color");
try testing.expect(p.next() == null);
}
test "sgr: 24-bit bg color" {