Detect SAS (Secure Attention Sequence) in a way that does not prevent screen sleep

RELEASE.md

@@ -18,3 +18,4 @@
 - Automatically manage steam controller configs when using Steam Input
 - Allow to assign BackPanel keys to X360 controller (breaks all current configs to set mappings)
 - All SteamDeckTools settings are stored in `.ini` file in root folder
+- Detect SAS (Secure Attention Sequence) in a way that does not prevent screen sleep

SteamController/Context.cs

@@ -41,6 +41,7 @@ namespace SteamController
         }
 
         public bool RequestEnable { get; set; } = true;
+        public bool KeyboardMouseValid { get; set; } = true;
         public ContextState State;
 
         public event Action<Profiles.Profile> ProfileChanged;

SteamController/Controller.cs

@@ -28,7 +28,8 @@ namespace SteamController
                 new Managers.SteamManager(),
                 new Managers.ProfileSwitcher(),
                 new Managers.SteamConfigsManager(),
-                new Managers.SharedDataManager()
+                new Managers.SharedDataManager(),
+                new Managers.SASManager()
             }
         };
 
@@ -141,7 +142,7 @@ namespace SteamController
 
             var isDesktop = context.CurrentProfile?.IsDesktop ?? false;
 
-            if (!context.Mouse.Valid)
+            if (!context.KeyboardMouseValid)
             {
                 notifyIcon.Text = TitleWithVersion + ". Cannot send input.";
                 notifyIcon.Icon = Resources.microsoft_xbox_controller_off_red;

SteamController/Devices/MouseController.cs

@@ -37,7 +37,6 @@ namespace SteamController.Devices
         // TODO: Unsure what it is
         public const int XButtonID = 0;
         public const int YButtonID = 1;
-        public const int UpdateValidInterval = 100;
 
         InputSimulator simulator = new InputSimulator();
 
@@ -46,9 +45,6 @@ namespace SteamController.Devices
 
         Accum movedX, movedY, verticalScroll, horizontalScroll;
 
-        bool? valid = null;
-        DateTime lastValid = DateTime.Now;
-
         public enum Button
         {
             Left,
@@ -68,11 +64,6 @@ namespace SteamController.Devices
             }
         }
 
-        public bool Valid
-        {
-            get { return valid ?? true; }
-        }
-
         public Button[] DownButtons
         {
             get { return mouseButtons.ToArray(); }
@@ -90,29 +81,10 @@ namespace SteamController.Devices
         {
             try
             {
-                if (action())
-                {
-                    valid = true;
-                    lastValid = DateTime.Now;
-                }
-
+                action();
             }
             catch (InvalidOperationException)
             {
-                valid = false;
-                lastValid = DateTime.Now;
-            }
-        }
-
-        private void UpdateValid()
-        {
-            if (valid is null || lastValid.AddMilliseconds(UpdateValidInterval) < DateTime.Now)
-            {
-                Safe(() =>
-                {
-                    simulator.Mouse.MoveMouseBy(0, 0);
-                    return true;
-                });
             }
         }
 
@@ -235,8 +207,6 @@ namespace SteamController.Devices
                     });
                 }
             }
-
-            UpdateValid();
         }
 
         public void MouseClick(Button button)

SteamController/Managers/SASManager.cs

@@ -0,0 +1,13 @@
+using System.Diagnostics;
+using SteamController.Helpers;
+
+namespace SteamController.Managers
+{
+    public sealed class SASManager : Manager
+    {
+        public override void Tick(Context context)
+        {
+            context.KeyboardMouseValid = ForegroundProcess.Find() is not null;
+        }
+    }
+}

SteamController/Profiles/DesktopProfile.cs

@@ -28,17 +28,18 @@ namespace SteamController.Profiles
                 return Status.Done;
             }
 
-            if (!c.Mouse.Valid)
+            if (!c.KeyboardMouseValid)
             {
                 // Failed to acquire secure context
                 // Enable emergency Lizard
                 c.Steam.LizardButtons = true;
                 c.Steam.LizardMouse = true;
-                return Status.Done;
             }
-
-            c.Steam.LizardButtons = SteamModeLizardButtons;
-            c.Steam.LizardMouse = SteamModeLizardMouse;
+            else
+            {
+                c.Steam.LizardButtons = SteamModeLizardButtons;
+                c.Steam.LizardMouse = SteamModeLizardMouse;
+            }
 
             EmulateScrollOnLPad(c);
             EmulateScrollOnLStick(c);

SteamController/Profiles/X360Profile.cs

@@ -6,7 +6,7 @@ namespace SteamController.Profiles
     {
         public override bool Selected(Context context)
         {
-            return context.Enabled && context.X360.Valid && context.Mouse.Valid && !context.State.SteamUsesSteamInput;
+            return context.Enabled && context.X360.Valid && context.KeyboardMouseValid && !context.State.SteamUsesSteamInput;
         }
 
         internal override ProfilesSettings.BackPanelSettings BackPanelSettings