Use better tab indicator characters

Works in more fonts/terminals.
This commit is contained in:
2026-04-10 20:16:12 +00:00
parent 7e13f73b8c
commit d1fde5c0c1

View File

@@ -175,10 +175,10 @@ fn build_render_tokens(target: &[char]) -> Vec<RenderToken> {
let mut display = String::new();
if tab_width > 1 {
for _ in 0..(tab_width - 1) {
display.push('\u{2500}'); //
display.push('\u{00B7}'); // ·
}
}
display.push('\u{21E5}'); //
display.push('\u{2192}'); //
tokens.push(RenderToken {
target_idx: i,
display,
@@ -309,18 +309,18 @@ mod tests {
let target: Vec<char> = "\tx".chars().collect();
let tokens = build_render_tokens(&target);
assert_eq!(tokens.len(), 2);
// Tab at col 0: width = 4 - (0 % 4) = 4 => "───⇥"
assert_eq!(tokens[0].display, "\u{2500}\u{2500}\u{2500}\u{21E5}");
// Tab at col 0: width = 4 - (0 % 4) = 4 => "···→"
assert_eq!(tokens[0].display, "\u{00B7}\u{00B7}\u{00B7}\u{2192}");
assert!(!tokens[0].is_line_break);
assert_eq!(tokens[0].target_idx, 0);
}
#[test]
fn test_render_tokens_tab_alignment() {
// "ab\t" -> col 2, tab_width = 4 - (2 % 4) = 2 => "─⇥"
// "ab\t" -> col 2, tab_width = 4 - (2 % 4) = 2 => "·→"
let target: Vec<char> = "ab\t".chars().collect();
let tokens = build_render_tokens(&target);
assert_eq!(tokens[2].display, "\u{2500}\u{21E5}");
assert_eq!(tokens[2].display, "\u{00B7}\u{2192}");
}
#[test]
@@ -330,6 +330,6 @@ mod tests {
let tokens = build_render_tokens(&target);
assert_eq!(tokens.len(), 3);
assert!(tokens[0].is_line_break);
assert_eq!(tokens[1].display, "\u{2500}\u{2500}\u{2500}\u{21E5}");
assert_eq!(tokens[1].display, "\u{00B7}\u{00B7}\u{00B7}\u{2192}");
}
}