Append ellipse to truncated labels.

src/consts.rs

@@ -9,7 +9,7 @@ pub const COLOR: [&dyn termion::color::Color; 6] = [
 ];
 
 // Maximum length of labels.
-pub const LABEL_SIZE_LIMIT: usize = 42;
+pub const LABEL_SIZE_LIMIT: usize = 32;
 
 pub mod ui {
     pub const NAME: &str = env!("CARGO_PKG_NAME");

src/utils.rs

@@ -8,7 +8,10 @@ pub fn unicode_length(input: &str) -> u16 {
 
 pub fn unicode_truncate(input: &mut String, limit: usize) {
     match UnicodeSegmentation::grapheme_indices(input.as_str(), true).nth(limit) {
-        Some((i, _)) => input.truncate(i),
+        Some((i, _)) => {
+            input.truncate(i);
+            input.push('…');
+        },
         None => (),
     }
 }