FNA_MOUSE_DISABLE_GLOBAL_ACCESS

Author: flibitijibibo

src/FNAPlatform/FNAPlatform.cs

@@ -92,6 +92,13 @@ static FNAPlatform()
 					"1"
 				);
 			}
+			if (args.TryGetValue("disableglobalmouse", out arg) && arg == "1")
+			{
+				Environment.SetEnvironmentVariable(
+					"FNA_MOUSE_DISABLE_GLOBAL_ACCESS",
+					"1"
+				);
+			}
 			if (args.TryGetValue("nukesteaminput", out arg) && arg == "1")
 			{
 				Environment.SetEnvironmentVariable(

src/FNAPlatform/SDL2_FNAPlatform.cs

@@ -237,6 +237,11 @@ public static string ProgramInit(LaunchParameters args)
 			SupportsGlobalMouse = (	OSVersion.Equals("Windows") ||
 						OSVersion.Equals("Mac OS X") ||
 						videoDriver.Equals("x11")	);
+			if (Environment.GetEnvironmentVariable("FNA_MOUSE_DISABLE_GLOBAL_ACCESS") == "1")
+			{
+				// Ignore previous instructions
+				SupportsGlobalMouse = false;
+			}
 
 			// Only iOS and Android care about device orientation.
 			SupportsOrientations = ( OSVersion.Equals("iOS") ||

src/FNAPlatform/SDL3_FNAPlatform.cs

@@ -207,6 +207,11 @@ public static string ProgramInit(LaunchParameters args)
 			SupportsGlobalMouse = (	OSVersion.Equals("Windows") ||
 						OSVersion.Equals("macOS") ||
 						videoDriver.Equals("x11")	);
+			if (Environment.GetEnvironmentVariable("FNA_MOUSE_DISABLE_GLOBAL_ACCESS") == "1")
+			{
+				// Ignore previous instructions
+				SupportsGlobalMouse = false;
+			}
 
 			/* SDL3 added a helper to try and override constant warping
 			 * with emulation via relative mouse mode; this is nice