Show local spots in bold and name the computer that made them

A spot an operator put on a bandmap, here or on another computer, is
drawn in bold. Its hover text names the computer instead of the
spotter's callsign. A spot from another computer carries the name from
the ADDSPOT message.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Nonemm.App/AppSession.QsySpot.cs

@@ -79,7 +79,10 @@ public sealed partial class AppSession
             DateTime.UtcNow,
             SpotSource.Operator,
             position.Me.Callsign,
-            $"Local spot by {Settings.CurrentOperator}");
+            $"Local spot by {Settings.CurrentOperator}")
+        {
+            Computer = ComputerName,
+        };
         heardAt.Remove(position);
         Bandmap.Add(spot);
         SendSpots([spot]);
@@ -113,6 +116,7 @@ public sealed partial class AppSession
             shared.Comment)
         {
             Qsx = shared.Qsx,
+            Computer = shared.Computer,
         });
     }
 }

src/Nonemm.App/Windows/BandmapView.cs

@@ -49,6 +49,7 @@ public sealed class BandmapView : Control
     private static readonly IBrush OutsideBrush = new SolidColorBrush(Color.FromRgb(0xC0, 0x39, 0x2B), 0.13);
 
     private readonly Typeface typeface = new(Fonts.Mono);
+    private readonly Typeface boldTypeface = new(Fonts.Mono, FontStyle.Normal, FontWeight.Bold);
     private IReadOnlyList<BandmapLabel> placed = [];
     private BandmapScale scale = new(Bands.Band20M.Low, Bands.Band20M.High, 1);
 
@@ -176,7 +177,7 @@ public sealed class BandmapView : Control
             new Point(ScaleX + 2, label.MarkY),
             new Point(LabelX - 2, label.LabelY + (LabelHeight / 2)));
         context.DrawText(
-            Text(label.Spot.Call.Text, colour, TextSize),
+            Text(label.Spot.Call.Text, colour, TextSize, label.Spot.IsLocal),
             new Point(LabelX, label.LabelY + (LabelPadding / 2)));
     }
 
@@ -216,8 +217,8 @@ public sealed class BandmapView : Control
         FrequencyPicked?.Invoke(this, scale.At(at.Y - Inset));
     }
 
-    private FormattedText Text(string text, IBrush brush, double size) =>
-        new(text, CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, size, brush);
+    private FormattedText Text(string text, IBrush brush, double size, bool bold = false) =>
+        new(text, CultureInfo.InvariantCulture, FlowDirection.LeftToRight, bold ? boldTypeface : typeface, size, brush);
 
     /// The form's text colour, which the theme sets in both light and dark.
     private IBrush Foreground() =>

src/Nonemm.App/Windows/EntryWindow.Macros.cs

@@ -499,7 +499,7 @@ public sealed partial class EntryWindow
         string comment = MessageExpander.Expand(
             session.Settings.SpotComment, Logging, session.Other(Logging));
         _ = cluster.SendSpotAsync(Logging.Frequency, me, comment);
-        session.Bandmap.Add(new Spot(me, Logging.Frequency, DateTime.UtcNow, SpotSource.Operator));
+        session.Bandmap.Add(new Spot(me, Logging.Frequency, DateTime.UtcNow, SpotSource.Operator) { Computer = session.ComputerName });
         Status($"spotted {me.Text} on {Logging.Frequency.Kilohertz:0.0}");
     }
 

src/Nonemm.App/Windows/EntryWindow.Menu.cs

@@ -385,7 +385,7 @@ public sealed partial class EntryWindow
             return;
         }
         await cluster.SendSpotAsync(where, call, MessageExpander.Expand(session.Settings.SpotComment, Logging, session.Other(Logging)));
-        session.Bandmap.Add(new Spot(call, where, DateTime.UtcNow, SpotSource.Operator));
+        session.Bandmap.Add(new Spot(call, where, DateTime.UtcNow, SpotSource.Operator) { Computer = session.ComputerName });
         Status($"{call.Text} spotted on {where.Kilohertz:0.0}");
     }
 
@@ -428,7 +428,10 @@ public sealed partial class EntryWindow
             DateTime.UtcNow,
             SpotSource.Operator,
             session.Settings.Station.Callsign,
-            "Local spot"));
+            "Local spot")
+        {
+            Computer = session.ComputerName,
+        });
         Status($"{call.Text} stored on {Logging.Frequency.Kilohertz:0.0}");
         boxes[0].Focus();
     }

src/Nonemm.App/Windows/EntryWindow.axaml.cs

@@ -1295,7 +1295,10 @@ public sealed partial class EntryWindow : Window
             Logging.Frequency,
             DateTime.UtcNow,
             Nonemm.Spotting.SpotSource.Operator,
-            Logging.Me.Callsign));
+            Logging.Me.Callsign)
+        {
+            Computer = session.ComputerName,
+        });
         Status($"{Logging.Entry.Call.Trim()} put on the bandmap");
     }
 }

src/Nonemm.Network/SharedSpot.cs

@@ -11,4 +11,5 @@ public sealed record SharedSpot(
     string Comment,
     Frequency Qsx,
     string Spotter,
-    bool IsWorked);
+    bool IsWorked,
+    string Computer = "");

src/Nonemm.Network/StationMessages.cs

@@ -372,7 +372,8 @@ public static class StationMessages
         record.Field(3),
         Frequency.FromKilohertz(record.Decimal(4) / 100),
         record.Field(5),
-        record.Flag(6));
+        record.Flag(6),
+        record.ComputerName);
 
     /// What a message that has arrived means, or null for one this program does
     /// nothing with.

src/Nonemm.Spotting/Spot.cs

@@ -35,6 +35,14 @@ public sealed record Spot(
             IsStation = false,
         };
 
+    /// The computer on the network that put the spot on the bandmap, or empty
+    /// for a spot that came from the cluster.
+    public string Computer { get; init; } = "";
+
+    /// A spot an operator put on a bandmap, here or on another computer, as
+    /// opposed to one from the cluster.
+    public bool IsLocal => Source == SpotSource.Operator && IsStation;
+
     public bool IsSplit => Qsx.Hertz > 0;
 
     public Band? Band => Bands.ForFrequency(Frequency);

src/Nonemm.Spotting/SpotDescription.cs

@@ -11,8 +11,9 @@ public static class SpotDescription
     {
         string age = Age((nowUtc ?? DateTime.UtcNow) - spot.AtUtc);
         string kilohertz = spot.Frequency.Kilohertz.ToString("0.0", CultureInfo.InvariantCulture);
-        string first = spot.Spotter.Length > 0
-            ? $"{kilohertz} by {spot.Spotter}, {age}"
+        string who = spot.IsLocal && spot.Computer.Length > 0 ? spot.Computer : spot.Spotter;
+        string first = who.Length > 0
+            ? $"{kilohertz} by {who}, {age}"
             : $"{kilohertz}, {age}";
         string comment = Comment(spot.Comment);
         return comment.Length > 0 ? $"{first}\n{comment}" : first;