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Work around old Zellij by parsing unsolicited DECRQM

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Zellij 0.41.2 has a bug where it responds to

	 printf '\x1b[?2026$p'; cat -v

with '^[[2026;2$y' (DECRQM) instead of '^[[?2026;2$y' (DECRPM).

This is fixed by https://github.com/zellij-org/zellij/pull/3884

We fail to parse it, leading to an extra y added to the input queue.
Since it seems easy to work around for us, let's do that, I guess.
This commit is contained in:
Johannes Altmanninger 2025-01-13 21:49:57 +01:00
parent cbbf95ee55
commit c77c35152d
1 changed files with 9 additions and 7 deletions
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6
src/input_common.rs
View file

@ -961,14 +961,16 @@ pub trait InputEventQueuer {
let key = match c {
b'$' => {
if next_char(self) == b'y' {
if private_mode == Some(b'?') {
// DECRPM
if private_mode == Some(b'?') && next_char(self) == b'y' {
if params[0][0] == 2026 && matches!(params[1][0], 1 | 2) {
self.push_front(CharEvent::Implicit(
ImplicitEvent::SynchronizedOutputSupported,
));
}
}
// DECRQM
return None;
}
match params[0][0] {