Detect Battery Saver state

app/Display/ScreenControl.cs

@@ -77,8 +77,12 @@ namespace GHelper.Display
             int overdrive = Program.acpi.DeviceGet(AsusACPI.ScreenOverdrive);
             int miniled = Program.acpi.DeviceGet(AsusACPI.ScreenMiniled);
 
+            bool hdr = false;
+
             if (miniled >= 0)
+            {
                 AppConfig.Set("miniled", miniled);
+            }
 
             bool screenEnabled = (frequency >= 0);
 
@@ -94,7 +98,8 @@ namespace GHelper.Display
                     maxFrequency: maxFrequency,
                     overdrive: overdrive,
                     overdriveSetting: overdriveSetting,
-                    miniled: miniled
+                    miniled: miniled,
+                    hdr: hdr
                 );
             });
 

app/Display/ScreenNative.cs

@@ -1,8 +1,6 @@
-using Microsoft.VisualBasic.Logging;
+using System.Collections;
-using System.Collections;
+using System.Diagnostics;
-using System.Diagnostics.Metrics;
 using System.Runtime.InteropServices;
-using System.Windows.Forms;
 using static GHelper.Display.ScreenInterrogatory;
 
 namespace GHelper.Display

app/Fans.cs

@@ -692,7 +692,14 @@ namespace GHelper
                 comboBoost.SelectedIndex = Math.Min(boost, comboBoost.Items.Count - 1);
 
             string powerMode = PowerNative.GetPowerMode();
-            comboPowerMode.SelectedValue = powerMode;
+            bool batterySaver = PowerNative.GetBatterySaverStatus();
+
+            comboPowerMode.Enabled = !batterySaver;
+
+            if (batterySaver) 
+                comboPowerMode.SelectedIndex = 0;
+            else
+                comboPowerMode.SelectedValue = powerMode;
 
         }
 

app/Mode/PowerNative.cs

@@ -153,6 +153,13 @@ namespace GHelper.Mode
             Guid guidScheme = new Guid(scheme);
 
             uint status = PowerGetEffectiveOverlayScheme(out Guid activeScheme);
+            
+            if (GetBatterySaverStatus())
+            {
+                Logger.WriteLine("Battery Saver detected");
+                return;
+            }
+
             if (status != 0 || activeScheme != guidScheme)
             {
                 status = PowerSetActiveOverlayScheme(guidScheme);
@@ -288,6 +295,48 @@ namespace GHelper.Mode
             Logger.WriteLine("Setting Hibernate after " + seconds + ": " + (hrAC == 0 ? "OK" : hrAC));
         }
 
+        [DllImport("Kernel32")]
+        private static extern bool GetSystemPowerStatus(SystemPowerStatus sps);
+        public enum ACLineStatus : byte
+        {
+            Offline = 0, Online = 1, Unknown = 255
+        }
+
+        public enum BatteryFlag : byte
+        {
+            High = 1,
+            Low = 2,
+            Critical = 4,
+            Charging = 8,
+            NoSystemBattery = 128,
+            Unknown = 255
+        }
+
+        // Fields must mirror their unmanaged counterparts, in order
+        [StructLayout(LayoutKind.Sequential)]
+        public class SystemPowerStatus
+        {
+            public ACLineStatus ACLineStatus;
+            public BatteryFlag BatteryFlag;
+            public Byte BatteryLifePercent;
+            public Byte SystemStatusFlag;
+            public Int32 BatteryLifeTime;
+            public Int32 BatteryFullLifeTime;
+        }
+
+        public static bool GetBatterySaverStatus()
+        {
+            SystemPowerStatus sps = new SystemPowerStatus();
+            try
+            {
+                GetSystemPowerStatus(sps);
+                return (sps.SystemStatusFlag > 0);
+            } catch (Exception ex)
+            {
+                return false;
+            }
+
+        }
 
     }
 }

app/Settings.cs

@@ -758,7 +758,7 @@ namespace GHelper
 
 
 
-        public void VisualiseScreen(bool screenEnabled, bool screenAuto, int frequency, int maxFrequency, int overdrive, bool overdriveSetting, int miniled)
+        public void VisualiseScreen(bool screenEnabled, bool screenAuto, int frequency, int maxFrequency, int overdrive, bool overdriveSetting, int miniled, bool hdr)
         {
 
             ButtonEnabled(button60Hz, screenEnabled);
@@ -800,6 +800,7 @@ namespace GHelper
             if (miniled >= 0)
             {
                 buttonMiniled.Activated = (miniled == 1);
+                buttonMiniled.Enabled = !hdr;
             }
             else
             {