pin the max number of calls for the call history to 200; fix bad handling of dark mode for call history window; move channel background color state further down to catch late entry calls;

dvmconsole/CallHistoryWindow.xaml

@@ -14,13 +14,14 @@
             <DataGrid.RowStyle>
                 <Style TargetType="DataGridRow">
                     <Setter Property="Background" Value="{Binding BackgroundColor}" />
+                    <Setter Property="Foreground" Value="{Binding ForegroundColor}" />
                 </Style>
             </DataGrid.RowStyle>
             <DataGrid.Columns>
-                <DataGridTextColumn Header="Channel" Binding="{Binding Channel}" Width="*" />
+                <DataGridTextColumn Header="Channel" Binding="{Binding Channel}" Width="150" />
                 <DataGridTextColumn Header="Radio ID" Binding="{Binding SrcId}" Width="*" />
                 <DataGridTextColumn Header="Talkgroup" Binding="{Binding DstId}" Width="*" />
-                <DataGridTextColumn Header="Timestamp" Binding="{Binding Timestamp}" Width="*" />
+                <DataGridTextColumn Header="Timestamp" Binding="{Binding Timestamp}" Width="150" />
             </DataGrid.Columns>
         </DataGrid>
     </Grid>

dvmconsole/CallHistoryWindow.xaml.cs

@@ -8,6 +8,7 @@
 * @license AGPLv3 License (https://opensource.org/licenses/AGPL-3.0)
 *
 *   Copyright (C) 2025 Caleb, K4PHP
+*   Copyright (C) 2025 Bryan Biedenkapp, N2PLL
 *
 */
 
@@ -24,6 +25,8 @@ namespace dvmconsole
     {
         public static readonly DependencyProperty BackgroundColorProperty =
             DependencyProperty.Register(nameof(BackgroundColor), typeof(Brush), typeof(CallEntry), new PropertyMetadata(Brushes.Transparent));
+        public static readonly DependencyProperty ForegroundColorProperty =
+            DependencyProperty.Register(nameof(ForegroundColor), typeof(Brush), typeof(CallEntry), new PropertyMetadata(Brushes.White));
 
         /*
         ** Properties
@@ -55,6 +58,15 @@ namespace dvmconsole
             get { return (Brush)GetValue(BackgroundColorProperty); }
             set { SetValue(BackgroundColorProperty, value); }
         }
+
+        /// <summary>
+        /// Foreground color for call entry.
+        /// </summary>
+        public Brush ForegroundColor
+        {
+            get { return (Brush)GetValue(ForegroundColorProperty); }
+            set { SetValue(ForegroundColorProperty, value); }
+        }
     } // public class CallEntry : DependencyObject
 
     /// <summary>
@@ -89,6 +101,9 @@ namespace dvmconsole
     /// </summary>
     public partial class CallHistoryWindow : Window
     {
+        private const int MAX_CALL_HISTORY = 200;
+        private SettingsManager settingsManager;
+
         /*
         ** Properties
         */
@@ -105,9 +120,10 @@ namespace dvmconsole
         /// <summary>
         /// Initializes a new instance of the <see cref="CallHistoryWindow"/> class.
         /// </summary>
-        public CallHistoryWindow()
+        public CallHistoryWindow(SettingsManager settingsManager)
         {
             InitializeComponent();
+            this.settingsManager = settingsManager;
             ViewModel = new CallHistoryViewModel();
             DataContext = ViewModel;
         }
@@ -132,6 +148,9 @@ namespace dvmconsole
         {
             Dispatcher.Invoke(() =>
             {
+                if (ViewModel.CallHistory.Count == MAX_CALL_HISTORY)
+                    ViewModel.CallHistory.RemoveAt(MAX_CALL_HISTORY - 1);
+
                 ViewModel.CallHistory.Insert(0, new CallEntry
                 {
                     Channel = channel,
@@ -155,6 +174,8 @@ namespace dvmconsole
             {
                 foreach (var entry in ViewModel.CallHistory.Where(c => c.Channel == channel && c.SrcId == srcId))
                 {
+                    entry.ForegroundColor = Brushes.Black;
+
                     if (!encrypted)
                         entry.BackgroundColor = Brushes.LightGreen;
                     else
@@ -174,6 +195,10 @@ namespace dvmconsole
             {
                 foreach (var entry in ViewModel.CallHistory.Where(c => c.Channel == channel && c.SrcId == srcId))
                 {
+                    if (settingsManager.DarkMode)
+                        entry.ForegroundColor = Brushes.White;
+                    else
+                        entry.ForegroundColor = Brushes.Black;
                     entry.BackgroundColor = Brushes.Transparent;
                 }
             });

dvmconsole/MainWindow.P25.cs

@@ -514,12 +514,7 @@ namespace dvmconsole
                             channel.LastSrcId = "Last: " + alias;
 
                         if (channel.algId != P25Defines.P25_ALGO_UNENCRYPT)
-                        {
-                            channel.Background = ChannelBox.ORANGE_GRADIENT;
                             Log.WriteLine($"({system.Name}) P25D: Traffic *CALL ENC PARMS * PEER {e.PeerId} SRC_ID {e.SrcId} TGID {e.DstId} ALGID {channel.algId} KID {channel.kId} [STREAM ID {e.StreamId}]");
-                        }
-                        else
-                            channel.Background = ChannelBox.GREEN_GRADIENT;
                     }
 
                     // is the call over?
@@ -534,6 +529,12 @@ namespace dvmconsole
                         return;
                     }
 
+                    // do background updates here -- this catches late entry
+                    if (channel.algId != P25Defines.P25_ALGO_UNENCRYPT)
+                        channel.Background = ChannelBox.ORANGE_GRADIENT;
+                    else
+                        channel.Background = ChannelBox.GREEN_GRADIENT;
+
                     byte[] newMI = new byte[P25Defines.P25_MI_LENGTH];
 
                     int count = 0;

dvmconsole/MainWindow.xaml.cs

@@ -108,7 +108,7 @@ namespace dvmconsole
 
         private ChannelBox playbackChannelBox;
 
-        CallHistoryWindow callHistoryWindow = new CallHistoryWindow();
+        CallHistoryWindow callHistoryWindow;
 
         public static string PLAYBACKTG = "LOCPLAYBACK";
         public static string PLAYBACKSYS = "Local Playback";
@@ -150,6 +150,7 @@ namespace dvmconsole
             DisableControls();
 
             settingsManager.LoadSettings();
+            callHistoryWindow = new CallHistoryWindow(settingsManager);
 
             selectedChannelsManager = new SelectedChannelsManager();
             flashingManager = new FlashingBackgroundManager(null, channelsCanvas, null, this);