Add IsMinimizedEXT and IsMaximizedEXT

src/FNAPlatform/FNAPlatform.cs

@@ -113,6 +113,8 @@ static FNAPlatform()
 				SetWindowResizable =		SDL3_FNAPlatform.SetWindowResizable;
 				GetWindowBorderless =		SDL3_FNAPlatform.GetWindowBorderless;
 				SetWindowBorderless =		SDL3_FNAPlatform.SetWindowBorderless;
+				GetWindowMinimized =		SDL3_FNAPlatform.GetWindowMinimized;
+				GetWindowMaximized =		SDL3_FNAPlatform.GetWindowMaximized;
 				SetWindowTitle =		SDL3_FNAPlatform.SetWindowTitle;
 				IsScreenKeyboardShown =		SDL3_FNAPlatform.IsScreenKeyboardShown;
 				RegisterGame =			SDL3_FNAPlatform.RegisterGame;
@@ -168,6 +170,8 @@ static FNAPlatform()
 				SetWindowResizable =		SDL2_FNAPlatform.SetWindowResizable;
 				GetWindowBorderless =		SDL2_FNAPlatform.GetWindowBorderless;
 				SetWindowBorderless =		SDL2_FNAPlatform.SetWindowBorderless;
+				GetWindowMinimized =		SDL2_FNAPlatform.GetWindowMinimized;
+				GetWindowMaximized =		SDL2_FNAPlatform.GetWindowMaximized;
 				SetWindowTitle =		SDL2_FNAPlatform.SetWindowTitle;
 				IsScreenKeyboardShown =		SDL2_FNAPlatform.IsScreenKeyboardShown;
 				RegisterGame =			SDL2_FNAPlatform.RegisterGame;
@@ -302,8 +306,10 @@ ref string resultDeviceName
 		public delegate void SetWindowResizableFunc(IntPtr window, bool resizable);
 		public static readonly SetWindowResizableFunc SetWindowResizable;
 
-		public delegate bool GetWindowBorderlessFunc(IntPtr window);
-		public static readonly GetWindowBorderlessFunc GetWindowBorderless;
+		public delegate bool GetWindowBoolFunc(IntPtr window);
+		public static readonly GetWindowBoolFunc GetWindowBorderless,
+			GetWindowMinimized,
+			GetWindowMaximized;
 
 		public delegate void SetWindowBorderlessFunc(IntPtr window, bool borderless);
 		public static readonly SetWindowBorderlessFunc SetWindowBorderless;

src/FNAPlatform/FNAWindow.cs

@@ -76,6 +76,22 @@ public override bool IsBorderlessEXT
 			}
 		}
 
+		public override bool IsMinimizedEXT
+		{
+			get
+			{
+				return FNAPlatform.GetWindowMinimized(window);
+			}
+		}
+
+		public override bool IsMaximizedEXT
+		{
+			get
+			{
+				return FNAPlatform.GetWindowMaximized(window);
+			}
+		}
+
 		public override string ScreenDeviceName
 		{
 			get

src/FNAPlatform/SDL2_FNAPlatform.cs

@@ -729,6 +729,16 @@ public static bool GetWindowBorderless(IntPtr window)
 			return ((SDL.SDL_GetWindowFlags(window) & (uint) SDL.SDL_WindowFlags.SDL_WINDOW_BORDERLESS) != 0);
 		}
 
+		public static bool GetWindowMinimized(IntPtr window)
+		{
+			return ((SDL.SDL_GetWindowFlags(window) & (uint) SDL.SDL_WindowFlags.SDL_WINDOW_MINIMIZED) != 0);
+		}
+
+		public static bool GetWindowMaximized(IntPtr window)
+		{
+			return ((SDL.SDL_GetWindowFlags(window) & (uint) SDL.SDL_WindowFlags.SDL_WINDOW_MAXIMIZED) != 0);
+		}
+
 		public static void SetWindowBorderless(IntPtr window, bool borderless)
 		{
 			SDL.SDL_SetWindowBordered(

src/FNAPlatform/SDL3_FNAPlatform.cs

@@ -625,6 +625,16 @@ public static bool GetWindowBorderless(IntPtr window)
 			return ((SDL.SDL_GetWindowFlags(window) & SDL.SDL_WindowFlags.SDL_WINDOW_BORDERLESS) != 0);
 		}
 
+		public static bool GetWindowMinimized(IntPtr window)
+		{
+			return ((SDL.SDL_GetWindowFlags(window) & SDL.SDL_WindowFlags.SDL_WINDOW_MINIMIZED) != 0);
+		}
+
+		public static bool GetWindowMaximized(IntPtr window)
+		{
+			return ((SDL.SDL_GetWindowFlags(window) & SDL.SDL_WindowFlags.SDL_WINDOW_MAXIMIZED) != 0);
+		}
+
 		public static void SetWindowBorderless(IntPtr window, bool borderless)
 		{
 			SDL.SDL_SetWindowBordered(

src/GameWindow.cs

@@ -82,6 +82,34 @@ public virtual bool IsBorderlessEXT
 			}
 		}
 
+		/// <summary>
+		/// Determines whether the window is minimized.
+		/// </summary>
+		/// <exception cref="System.NotImplementedException">
+		/// Thrown when trying to use this property on an unsupported platform.
+		/// </exception>
+		public virtual bool IsMinimizedEXT
+		{
+			get
+			{
+				return false;
+			}
+		}
+
+		/// <summary>
+		/// Determines whether the window is maximized.
+		/// </summary>
+		/// <exception cref="System.NotImplementedException">
+		/// Thrown when trying to use this property on an unsupported platform.
+		/// </exception>
+		public virtual bool IsMaximizedEXT
+		{
+			get
+			{
+				return false;
+			}
+		}
+
 		#endregion
 
 		#region Private Variables