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Use better tab indicator characters

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Works in more fonts/terminals.
This commit is contained in:
Tyler Hallada
2026-04-10 20:16:12 +00:00
parent 7e13f73b8c
commit d1fde5c0c1
1 changed files with 7 additions and 7 deletions
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14
src/ui/components/typing_area.rs
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@@ -175,10 +175,10 @@ fn build_render_tokens(target: &[char]) -> Vec<RenderToken> {
let mut display = String::new(); let mut display = String::new();
if tab_width > 1 { if tab_width > 1 {
for _ in 0..(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 { tokens.push(RenderToken {
target_idx: i, target_idx: i,
display, display,
@@ -309,18 +309,18 @@ mod tests {
let target: Vec<char> = "\tx".chars().collect(); let target: Vec<char> = "\tx".chars().collect();
let tokens = build_render_tokens(&target); let tokens = build_render_tokens(&target);
assert_eq!(tokens.len(), 2); assert_eq!(tokens.len(), 2);
// Tab at col 0: width = 4 - (0 % 4) = 4 => "───⇥" // Tab at col 0: width = 4 - (0 % 4) = 4 => "···→"
assert_eq!(tokens[0].display, "\u{2500}\u{2500}\u{2500}\u{21E5}"); assert_eq!(tokens[0].display, "\u{00B7}\u{00B7}\u{00B7}\u{2192}");
assert!(!tokens[0].is_line_break); assert!(!tokens[0].is_line_break);
assert_eq!(tokens[0].target_idx, 0); assert_eq!(tokens[0].target_idx, 0);
} }
#[test] #[test]
fn test_render_tokens_tab_alignment() { 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 target: Vec<char> = "ab\t".chars().collect();
let tokens = build_render_tokens(&target); 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] #[test]
@@ -330,6 +330,6 @@ mod tests {
let tokens = build_render_tokens(&target); let tokens = build_render_tokens(&target);
assert_eq!(tokens.len(), 3); assert_eq!(tokens.len(), 3);
assert!(tokens[0].is_line_break); 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}");
} }
} }