libterm: fix incorrect bg index decode

2026-03-31 17:12:03 +03:00
parent 6d31142258
commit 7064a21d8d
1 changed files with 1 additions and 1 deletions
@@ -402,7 +402,7 @@ impl CsiState {
            (30..=37, _) => CharacterAttribute::FgIndex(Some(pm as u8 - 30)),
            (39, _) => CharacterAttribute::FgIndex(None),
            // Ps = 4 x ⇒ Set background color
-            (40..=47, _) => CharacterAttribute::BgIndex(Some(pm as u8 - 30)),
+            (40..=47, _) => CharacterAttribute::BgIndex(Some(pm as u8 - 40)),
            (49, _) => CharacterAttribute::BgIndex(None),
            // Ps = 9 x ⇒ Set foreground color
            (90..=97, _) => CharacterAttribute::FgIndex(Some(pm as u8 - 90)),