showing a min 1 bar red if there is any packet loss above 0%

Author: kavehtehrani

src/tui/dashboard.rs

@@ -20,9 +20,13 @@ fn udp_split_bar(sent: u64, received: u64, width: usize) -> Line<'static> {
     let safe_sent = sent.max(1);
     let safe_received = received.min(safe_sent);
     let lost = safe_sent.saturating_sub(safe_received);
-    // Use floor for ok_units so any loss shows at least one red segment
-    let ok_units = ((safe_received as f64 / safe_sent as f64) * width as f64).floor() as usize;
-    let lost_units = width.saturating_sub(ok_units);
+    // Ensure any loss shows at least one red segment
+    let lost_units = if lost > 0 {
+        (width as f64 * lost as f64 / safe_sent as f64).ceil().max(1.0) as usize
+    } else {
+        0
+    };
+    let ok_units = width.saturating_sub(lost_units);
 
     let ok_part = "=".repeat(ok_units);
     let lost_part = "x".repeat(lost_units);
@@ -365,7 +369,7 @@ pub fn draw_dashboard(area: Rect, f: &mut Frame, state: &UiState) {
 
         // Ensure any loss shows at least one red segment
         let lost_units = if lost > 0 {
-            ((lost as f64 / safe_total as f64) * bar_width as f64).ceil() as usize
+            ((lost as f64 / safe_total as f64) * bar_width as f64).ceil().max(1.0) as usize
         } else {
             0
         };