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Add workarounds for weird termion escape code handling

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David Flemström 2019-02-25 16:36:06 +01:00 committed by Florian Dehau
parent b7664a4108
commit a25bbea555
1 changed files with 14 additions and 1 deletions
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15
src/backend/termion.rs
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@ -206,7 +206,14 @@ impl fmt::Display for ModifierDiff {
write!(f, "{}", termion::style::NoInvert)?;
}
if remove.contains(style::Modifier::BOLD) {
write!(f, "{}", termion::style::NoBold)?;
// XXX: the termion NoBold flag actually enables double-underline on ECMA-48 compliant
// terminals, and NoFaint additionally disables bold... so we use this trick to get
// the right semantics.
write!(f, "{}", termion::style::NoFaint)?;
if self.to.contains(style::Modifier::DIM) {
write!(f, "{}", termion::style::Faint)?;
}
}
if remove.contains(style::Modifier::ITALIC) {
write!(f, "{}", termion::style::NoItalic)?;
@ -216,6 +223,12 @@ impl fmt::Display for ModifierDiff {
}
if remove.contains(style::Modifier::DIM) {
write!(f, "{}", termion::style::NoFaint)?;
// XXX: the NoFaint flag additionally disables bold as well, so we need to re-enable it
// here if we want it.
if self.to.contains(style::Modifier::BOLD) {
write!(f, "{}", termion::style::Bold)?;
}
}
if remove.contains(style::Modifier::CROSSED_OUT) {
write!(f, "{}", termion::style::NoCrossedOut)?;