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tweaked /clear to support clear + new chat, also fix minor bug for macos terminal (#12520)

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# /clear feature! 

Use /clear to start a new chat with Codex on a clean terminal!
This commit is contained in:
Won Park
2026-02-23 09:11:05 -08:00
committed by GitHub
parent 6e60f724bc
commit a606e85859
4 changed files with 71 additions and 63 deletions
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9
codex-rs/tui/src/custom_terminal.rs
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@@ -457,15 +457,16 @@ where
/// Hard-reset scrollback + visible screen using an explicit ANSI sequence.
///
/// This is a compatibility fallback for terminals that misbehave when purge
/// and full-screen clear are issued as separate backend commands.
/// Some terminals behave more reliably when purge + clear are emitted as a
/// single ANSI sequence instead of separate backend commands.
pub fn clear_scrollback_and_visible_screen_ansi(&mut self) -> io::Result<()> {
if self.viewport_area.is_empty() {
return Ok(());
}
// Reset scroll region + style state, purge scrollback, clear screen, home cursor.
write!(self.backend, "\x1b[r\x1b[0m\x1b[3J\x1b[2J\x1b[H")?;
// Reset scroll region + style state, home cursor, clear screen, purge scrollback.
// The order matches the common shell `clear && printf '\\e[3J'` behavior.
write!(self.backend, "\x1b[r\x1b[0m\x1b[H\x1b[2J\x1b[3J\x1b[H")?;
std::io::Write::flush(&mut self.backend)?;
self.last_known_cursor_pos = Position { x: 0, y: 0 };
self.visible_history_rows = 0;