[chronojump] Autodetect devices cuts verylong device code with elipsis on the middle

[Xavier de Blas <xaviblas src gnome org>]

commit c905249249404ff640b0b530c38c04fc2f7d4e16
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Oct 11 17:32:12 2022 +0200

    Autodetect devices cuts verylong device code with elipsis on the middle

 src/gui/chronopicRegister.cs |  3 ++-
 src/util.cs                  | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
---
diff --git a/src/gui/chronopicRegister.cs b/src/gui/chronopicRegister.cs
index a01de08f6..a1f42369c 100644
--- a/src/gui/chronopicRegister.cs
+++ b/src/gui/chronopicRegister.cs
@@ -258,7 +258,8 @@ public class DiscoverWindow
                if (portNameShort.StartsWith ("/dev/"))
                        portNameShort = portNameShort.Replace ("/dev/", "");
 
-               Gtk.Label l = new Gtk.Label (string.Format("{0}\n{1}", portNameShort, crp.SerialNumber));
+               Gtk.Label l = new Gtk.Label (string.Format("{0}\n{1}",
+                                       portNameShort, Util.RemoveCenterCharsOnLongString (crp.SerialNumber, 
12)));
                table_micro_discover.Attach (l, (uint) 0, (uint) 1, (uint) i, (uint) i+1, //left, right, top, 
bottom
                                AttachOptions.Shrink, AttachOptions.Shrink, 0, 0);
 
diff --git a/src/util.cs b/src/util.cs
index 56517ca27..e6ea00e01 100644
--- a/src/util.cs
+++ b/src/util.cs
@@ -545,6 +545,17 @@ public class Util
                return myStringBuilder.ToString();
        }
 
+       public static string RemoveCenterCharsOnLongString (string str, int maxLength)
+       {
+               if (str.Length > maxLength)
+               {
+                       int charsAtSide = Convert.ToInt32 (Math.Floor (maxLength / 2.0));
+                       return (
+                                       str.Substring (0, charsAtSide) + "…" +
+                                       str.Substring (str.Length -charsAtSide, charsAtSide) );
+               }
+               return str;
+       }
 
        //old code sends and returns strings
        public static string GetHeightInCentimeters (string time) {