DynamicLightingManager will now disable OS Ambient Lighting setting o…

…n startup and restore on close
Valkirie · Dec 26, 2024 · c507890 · c507890
1 parent 9e42eef
commit c507890
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Showing 2 changed files with 38 additions and 7 deletions.
diff --git a/HandheldCompanion/Managers/DynamicLightingManager.cs b/HandheldCompanion/Managers/DynamicLightingManager.cs
@@ -3,6 +3,7 @@
 using HandheldCompanion.Misc;
 using HandheldCompanion.Models;
 using HandheldCompanion.Shared;
+using Microsoft.Win32;
 using SharpDX;
 using SharpDX.Direct3D9;
 using System;
@@ -44,6 +45,9 @@ public static class DynamicLightingManager
 
     private static bool VerticalBlackBarDetectionEnabled;
 
+    private static bool OSAmbientLightingEnabled = false;
+    private const string OSAmbientLightingEnabledKey = "AmbientLightingEnabled";
+
     static DynamicLightingManager()
     {
         // Keep track of left and right LEDs history
@@ -67,9 +71,6 @@ public static void Start()
         if (IsInitialized)
             return;
 
-        IsInitialized = true;
-        Initialized?.Invoke();
-
         // manage events
         SettingsManager.SettingValueChanged += SettingsManager_SettingValueChanged;
         MultimediaManager.DisplaySettingsChanged += MultimediaManager_DisplaySettingsChanged;
@@ -86,6 +87,13 @@ public static void Start()
             MultimediaManager_DisplaySettingsChanged(MultimediaManager.PrimaryDesktop, MultimediaManager.PrimaryDesktop.GetResolution());
         }
 
+        // store and disable system setting AmbientLightingEnabled
+        OSAmbientLightingEnabled = GetAmbientLightingEnabled();
+        SetAmbientLightingEnabled(false);
+
+        IsInitialized = true;
+        Initialized?.Invoke();
+
         LogManager.LogInformation("{0} has started", "DynamicLightingManager");
     }
 
@@ -94,19 +102,41 @@ public static void Stop()
         if (!IsInitialized)
             return;
 
-        StopAmbilight();
-
-        ReleaseDirect3DDevice();
-
         // manage events
         SettingsManager.SettingValueChanged -= SettingsManager_SettingValueChanged;
         MultimediaManager.DisplaySettingsChanged -= MultimediaManager_DisplaySettingsChanged;
 
+        // restore system setting AmbientLightingEnabled
+        SetAmbientLightingEnabled(OSAmbientLightingEnabled);
+        StopAmbilight();
+        ReleaseDirect3DDevice();
+
         IsInitialized = false;
 
         LogManager.LogInformation("{0} has stopped", "DynamicLightingManager");
     }
 
+    private static bool GetAmbientLightingEnabled()
+    {
+        using (RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Lighting"))
+            if (key != null)
+                return Convert.ToBoolean(key.GetValue(OSAmbientLightingEnabledKey));
+
+        return false;
+    }
+
+    private static void SetAmbientLightingEnabled(bool enabled)
+    {
+        using (RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Lighting", writable: true))
+        {
+            if (key != null)
+            {
+                // disable
+                key.SetValue(OSAmbientLightingEnabledKey, enabled ? 1 : 0);
+            }
+        }
+    }
+
     private static void MultimediaManager_DisplaySettingsChanged(DesktopScreen desktopScreen, ScreenResolution resolution)
     {
         // Update the screen width and height values when display changes

diff --git a/HandheldCompanion/Views/Windows/MainWindow.xaml.cs b/HandheldCompanion/Views/Windows/MainWindow.xaml.cs
@@ -650,6 +650,7 @@ private void Window_Closed(object sender, EventArgs e)
         ProfileManager.Stop();
         LayoutManager.Stop();
         SystemManager.Stop();
+        DynamicLightingManager.Stop();
         ProcessManager.Stop();
         ToastManager.Stop();
         TaskManager.Stop();