Jade Ellis
cf87411086
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69 lines
1.7 KiB
Diff
69 lines
1.7 KiB
Diff
From 7dc16744844c7be8525cb84c1bae0086e2f8051d Mon Sep 17 00:00:00 2001
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From: Jason Volk <jason@zemos.net>
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Date: Fri, 5 Jul 2024 00:38:13 +0000
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Subject: [PATCH] add tab completion callback
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Signed-off-by: Jason Volk <jason@zemos.net>
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---
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src/lib.rs | 7 +++++++
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src/line.rs | 13 +++++++++++++
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2 files changed, 20 insertions(+)
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diff --git a/src/lib.rs b/src/lib.rs
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index dedb45c..3bff93d 100644
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--- a/src/lib.rs
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+++ b/src/lib.rs
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@@ -318,6 +318,13 @@ impl Readline {
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pub fn clear_history(&mut self) {
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self.set_history_entries([]);
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}
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+
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+ pub fn set_tab_completer<F>(&mut self, completer: F)
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+ where
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+ F: Fn(&str) -> String + Send + Sync + 'static,
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+ {
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+ let _ = self.line.completer.insert(Box::new(completer));
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+ }
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}
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impl Drop for Readline {
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diff --git a/src/line.rs b/src/line.rs
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index 9d15ff3..a7d3c83 100644
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--- a/src/line.rs
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+++ b/src/line.rs
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@@ -12,6 +12,8 @@ use unicode_width::UnicodeWidthStr;
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use crate::{History, ReadlineError, ReadlineEvent};
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+pub type Completer = dyn Fn(&str) -> String + Send + Sync;
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+
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#[derive(Default)]
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pub struct LineState {
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// Unicode Line
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@@ -33,6 +35,8 @@ pub struct LineState {
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term_size: (u16, u16),
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pub history: History,
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+
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+ pub completer: Option<Box<Completer>>,
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}
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impl LineState {
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@@ -404,6 +408,15 @@ impl LineState {
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self.render(term)?;
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}
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}
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+ KeyCode::Tab => {
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+ // tab completion callback
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+ if let Some(completer) = self.completer.as_ref() {
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+ self.line = completer(&self.line);
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+ self.clear(term)?;
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+ self.move_cursor(100000)?;
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+ self.render(term)?;
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+ }
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+ }
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// Add character to line and output
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KeyCode::Char(c) => {
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self.clear(term)?;
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--
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2.39.5 (Apple Git-154)
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