Show sensor value when adding/editing sensors

StatusWindow/Resources.Designer.cs

@@ -169,6 +169,15 @@ namespace HardwareMonitorStatusWindow.StatusWindow {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Current Value.
+        /// </summary>
+        public static string CurrentValueWatermark {
+            get {
+                return ResourceManager.GetString("CurrentValueWatermark", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Delete.
         /// </summary>

StatusWindow/Resources.resx

@@ -248,4 +248,7 @@ Would you like to download and install it now?</value>
   <data name="ServiceNotStarted" xml:space="preserve">
     <value>Waiting for service to start...</value>
   </data>
+  <data name="CurrentValueWatermark" xml:space="preserve">
+    <value>Current Value</value>
+  </data>
 </root>

StatusWindow/SettingsWindow/SensorWindow.xaml

@@ -68,8 +68,14 @@
                       DisplayMemberPath="Name"
                       VirtualizingPanel.IsVirtualizing="False"
                       mah:TextBoxHelper.UseFloatingWatermark="True"
-                      mah:TextBoxHelper.Watermark="{x:Static hardwareMonitorStatusWindow:Resources.SensorWatermark}">
+                      mah:TextBoxHelper.Watermark="{x:Static hardwareMonitorStatusWindow:Resources.SensorWatermark}"
+                      SelectionChanged="SensorComboBox_SelectionChanged">
             </ComboBox>
+            <TextBox Name="CurrentValueTextBox"
+                     mah:TextBoxHelper.UseFloatingWatermark="True"
+                     mah:TextBoxHelper.Watermark="{x:Static hardwareMonitorStatusWindow:Resources.CurrentValueWatermark}"
+                     mah:TextBoxHelper.SelectAllOnFocus="True"
+                     IsReadOnly="True" />
         </StackPanel>
         <StackPanel Grid.Column="0"
                     Grid.Row="1"

StatusWindow/SettingsWindow/SensorWindow.xaml.cs

@@ -1,12 +1,17 @@
-using System.Linq;
-using System.Windows;
+using System;
 using ChrisKaczor.Wpf.Validation;
 using HardwareMonitorStatusWindow.Service;
+using System.Linq;
+using System.Timers;
+using System.Windows;
+using System.Windows.Threading;
 
 namespace HardwareMonitorStatusWindow.StatusWindow.SettingsWindow;
 
 public partial class SensorWindow
 {
+    private readonly DispatcherTimer _timer = new();
+
     public SensorWindow()
     {
         InitializeComponent();
@@ -32,9 +37,18 @@ public partial class SensorWindow
 
         Owner = owner;
 
+        _timer.Interval = TimeSpan.FromSeconds(1);
+        _timer.Tick += TimerOnTick;
+        _timer.Start();
+
         return ShowDialog();
     }
 
+    private void TimerOnTick(object? sender, EventArgs e)
+    {
+        UpdateCurrentSensorValue();
+    }
+
     private void HandleOkayButtonClick(object sender, RoutedEventArgs e)
     {
         if (!this.IsValid())
@@ -95,4 +109,26 @@ public partial class SensorWindow
 
         SensorComboBox.ItemsSource = hardware.Sensors.Where(s => s.Type == sensorType.Value);
     }
+
+    private void SensorComboBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+    {
+        UpdateCurrentSensorValue();
+    }
+
+    private void UpdateCurrentSensorValue()
+    {
+        var sensor = (Sensor)SensorComboBox.SelectedItem;
+
+        if (sensor?.Value == null)
+        {
+            CurrentValueTextBox.Text = string.Empty;
+            return;
+        }
+
+        var hardware = (Hardware)HardwareComboBox.SelectedItem;
+
+        var displaySensorEntry = new SensorEntry { HardwareId = hardware.Identifier, SensorId = sensor.Identifier };
+
+        CurrentValueTextBox.Text = string.Format(displaySensorEntry.SensorValueFormat, displaySensorEntry.Sensor!.Value);
+    }
 }