Mostly at parity now

src/FNAPlatform/FNAPlatform.cs

@@ -177,8 +177,8 @@ static FNAPlatform()
 				GetCurrentDisplayMode =		SDL2_FNAPlatform.GetCurrentDisplayMode;
 				GetKeyFromScancode =		SDL2_FNAPlatform.GetKeyFromScancode;
 				IsTextInputActive =		SDL2_FNAPlatform.IsTextInputActive;
-				StartTextInput =		SDL2.SDL.SDL_StartTextInput;
-				StopTextInput =			SDL2.SDL.SDL_StopTextInput;
+				StartTextInput =		SDL2_FNAPlatform.StartTextInput;
+				StopTextInput =			SDL2_FNAPlatform.StopTextInput;
 				SetTextInputRectangle =		SDL2_FNAPlatform.SetTextInputRectangle;
 				GetMouseState =			SDL2_FNAPlatform.GetMouseState;
 				SetMousePosition =		SDL2.SDL.SDL_WarpMouseInWindow;
@@ -337,16 +337,16 @@ ref bool textInputSuppress
 		public delegate Keys GetKeyFromScancodeFunc(Keys scancode);
 		public static readonly GetKeyFromScancodeFunc GetKeyFromScancode;
 
-		public delegate bool IsTextInputActiveFunc();
+		public delegate bool IsTextInputActiveFunc(IntPtr window);
 		public static readonly IsTextInputActiveFunc IsTextInputActive;
 
-		public delegate void StartTextInputFunc();
+		public delegate void StartTextInputFunc(IntPtr window);
 		public static readonly StartTextInputFunc StartTextInput;
 
-		public delegate void StopTextInputFunc();
+		public delegate void StopTextInputFunc(IntPtr window);
 		public static readonly StopTextInputFunc StopTextInput;
 
-		public delegate void SetTextInputRectangleFunc(Rectangle rectangle);
+		public delegate void SetTextInputRectangleFunc(IntPtr window, Rectangle rectangle);
 		public static readonly SetTextInputRectangleFunc SetTextInputRectangle;
 
 		public delegate void GetMouseStateFunc(
@@ -371,10 +371,10 @@ int y
 		public delegate void OnIsMouseVisibleChangedFunc(bool visible);
 		public static readonly OnIsMouseVisibleChangedFunc OnIsMouseVisibleChanged;
 
-		public delegate bool GetRelativeMouseModeFunc();
+		public delegate bool GetRelativeMouseModeFunc(IntPtr window);
 		public static readonly GetRelativeMouseModeFunc GetRelativeMouseMode;
 
-		public delegate void SetRelativeMouseModeFunc(bool enable);
+		public delegate void SetRelativeMouseModeFunc(IntPtr window, bool enable);
 		public static readonly SetRelativeMouseModeFunc SetRelativeMouseMode;
 
 		public delegate GamePadCapabilities GetGamePadCapabilitiesFunc(int index);

src/FNAPlatform/SDL2_FNAPlatform.cs

@@ -852,7 +852,7 @@ private static string INTERNAL_StripBadChars(string path)
 			return stripChars;
 		}
 
-		public static void SetTextInputRectangle(Rectangle rectangle)
+		public static void SetTextInputRectangle(IntPtr window, Rectangle rectangle)
 		{
 			SDL.SDL_Rect rect = new SDL.SDL_Rect();
 			rect.x = rectangle.X;
@@ -1395,7 +1395,7 @@ public static void GetMouseState(
 			out ButtonState x2
 		) {
 			uint flags;
-			if (GetRelativeMouseMode())
+			if (GetRelativeMouseMode(window))
 			{
 				flags = SDL.SDL_GetRelativeMouseState(out x, out y);
 			}
@@ -1424,12 +1424,12 @@ public static void OnIsMouseVisibleChanged(bool visible)
 			SDL.SDL_ShowCursor(visible ? 1 : 0);
 		}
 
-		public static bool GetRelativeMouseMode()
+		public static bool GetRelativeMouseMode(IntPtr window)
 		{
 			return SDL.SDL_GetRelativeMouseMode() == SDL.SDL_bool.SDL_TRUE;
 		}
 
-		public static void SetRelativeMouseMode(bool enable)
+		public static void SetRelativeMouseMode(IntPtr window, bool enable)
 		{
 			SDL.SDL_SetRelativeMouseMode(
 				enable ?
@@ -2405,11 +2405,22 @@ public static int GetNumTouchFingers()
 		#endregion
 
 		#region TextInput Methods
-		public static bool IsTextInputActive()
+
+		public static bool IsTextInputActive(IntPtr window)
 		{
 			return SDL.SDL_IsTextInputActive() != 0;
 		}
 
+		public static void StartTextInput(IntPtr window)
+		{
+			SDL.SDL_StartTextInput();
+		}
+
+		public static void StopTextInput(IntPtr window)
+		{
+			SDL.SDL_StopTextInput();
+		}
+
 		#endregion
 
 		#region SDL2<->XNA Key Conversion Methods