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Handle failure when enabling bracketed paste (#9353)

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* match instead of crash

* pulling bracketedpaste out, refactor, tracking for bracketed paste

* sending disable bracketed paste only when supports true

* move disable bracketed paste to throwaway
This commit is contained in:
Ahmed Hagi 2024-01-18 12:34:06 +00:00 committed by GitHub
parent 1bc7aac780
commit 9c56afeff3
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GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 8 deletions
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23
helix-tui/src/backend/crossterm.rs
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@ -79,6 +79,7 @@ pub struct CrosstermBackend<W: Write> {
capabilities: Capabilities,
supports_keyboard_enhancement_protocol: OnceCell<bool>,
mouse_capture_enabled: bool,
supports_bracketed_paste: bool,
}
impl<W> CrosstermBackend<W>
@ -91,6 +92,7 @@ pub fn new(buffer: W, config: &EditorConfig) -> CrosstermBackend<W> {
capabilities: Capabilities::from_env_or_default(config),
supports_keyboard_enhancement_protocol: OnceCell::new(),
mouse_capture_enabled: false,
supports_bracketed_paste: true,
}
}
@ -134,9 +136,16 @@ fn claim(&mut self, config: Config) -> io::Result<()> {
execute!(
self.buffer,
terminal::EnterAlternateScreen,
EnableBracketedPaste,
EnableFocusChange
)?;
match execute!(self.buffer, EnableBracketedPaste,) {
Err(err) if err.kind() == io::ErrorKind::Unsupported => {
log::warn!("Bracketed paste is not supported on this terminal.");
self.supports_bracketed_paste = false;
}
Err(err) => return Err(err),
Ok(_) => (),
};
execute!(self.buffer, terminal::Clear(terminal::ClearType::All))?;
if config.enable_mouse_capture {
execute!(self.buffer, EnableMouseCapture)?;
@ -177,9 +186,11 @@ fn restore(&mut self, config: Config) -> io::Result<()> {
if self.supports_keyboard_enhancement_protocol() {
execute!(self.buffer, PopKeyboardEnhancementFlags)?;
}
if self.supports_bracketed_paste {
execute!(self.buffer, DisableBracketedPaste,)?;
}
execute!(
self.buffer,
DisableBracketedPaste,
DisableFocusChange,
terminal::LeaveAlternateScreen
)?;
@ -195,12 +206,8 @@ fn force_restore() -> io::Result<()> {
// disable without calling enable previously
let _ = execute!(stdout, DisableMouseCapture);
let _ = execute!(stdout, PopKeyboardEnhancementFlags);
execute!(
stdout,
DisableBracketedPaste,
DisableFocusChange,
terminal::LeaveAlternateScreen
)?;
let _ = execute!(stdout, DisableBracketedPaste);
execute!(stdout, DisableFocusChange, terminal::LeaveAlternateScreen)?;
terminal::disable_raw_mode()
}