Pad queue display numbers with leading zeros

display_string now takes a total parameter to compute the
zero-padding width. Queue positions are formatted as 01, 02, ..., 10
instead of 1, 2, ..., 10, keeping columns aligned.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/queue.rs b/src/queue.rs
index dca8e3d..9e8e1af 100644
--- a/src/queue.rs
+++ b/src/queue.rs
@@ -96,7 +96,7 @@ impl Track {
         }
     }
 
-    pub fn display_string(&self, index: usize) -> String {
+    pub fn display_string(&self, index: usize, total: usize) -> String {
         let album_artist = self
             .artist
             .clone()
@@ -109,11 +109,12 @@ impl Track {
                 .unwrap_or("Unknown")
                 .to_string()
         });
+        let width = total.to_string().len();
 
         if album_artist.is_empty() {
-            format!("{}. {}", index + 1, title)
+            format!("{:0width$}. {}", index + 1, title)
         } else {
-            format!("{}. {} - {}", index + 1, album_artist, title)
+            format!("{:0width$}. {} - {}", index + 1, album_artist, title)
         }
     }
 }