Merge pull request #13 from sulix/master

SDL_keyboard.h + small fixes.

src/SDL2.cs

@@ -359,6 +359,7 @@ namespace SDL2
 		#region SDL_video.h
 		
 		/* Actually, this is from SDL_blendmode.h */
+		[Flags]
 		public enum SDL_BlendMode
 		{
 			SDL_BLENDMODE_NONE =	0x00000000,
@@ -413,6 +414,7 @@ namespace SDL2
 			SDL_WINDOWEVENT_CLOSE,
 		}
 		
+		[Flags]
 		public enum SDL_WindowFlags
 		{
 			SDL_WINDOW_FULLSCREEN =		0x00000001,
@@ -829,6 +831,7 @@ namespace SDL2
 		
 		#region SDL_render.h
 		
+		[Flags]
 		public enum SDL_RendererFlags
 		{
 			SDL_RENDERER_SOFTWARE =		0x00000001,
@@ -837,6 +840,7 @@ namespace SDL2
 			SDL_RENDERER_TARGETTEXTURE =	0x00000008
 		}
 		
+		[Flags]
 		public enum SDL_RendererFlip
 		{
 			SDL_FLIP_NONE =		0x00000000,
@@ -851,6 +855,7 @@ namespace SDL2
 			SDL_TEXTUREACCESS_TARGET
 		}
 		
+		[Flags]
 		public enum SDL_TextureModulate
 		{
 			SDL_TEXTUREMODULATE_NONE =		0x00000000,
@@ -2212,7 +2217,7 @@ namespace SDL2
 			public byte repeat; /* non-zero if this is a repeat */
 			byte padding2;
 			byte padding3;
-			// TODO: SDL_Keysym struct.
+			public SDL_Keysym keysym;
 		}
 
 		//TODO: SDL_Text*Event (need to work out char[] in C#)
@@ -3072,6 +3077,131 @@ namespace SDL2
 			SDLK_SLEEP = (int)SDL_Scancode.SDL_SCANCODE_SLEEP | SDLK_SCANCODE_MASK
 		}
 
+		/* Key modifiers (bitfield) */
+		[Flags]
+		public enum SDL_Keymod : ushort
+		{
+			KMOD_NONE = 0x0000,
+			KMOD_LSHIFT = 0x0001,
+			KMOD_RSHIFT = 0x0002,
+			KMOD_LCTRL = 0x0040,
+			KMOD_RCTRL = 0x0080,
+			KMOD_LALT = 0x0100,
+			KMOD_RALT = 0x0200,
+			KMOD_LGUI = 0x0400,
+			KMOD_RGUI = 0x0800,
+			KMOD_NUM = 0x1000,
+			KMOD_CAPS = 0x2000,
+			KMOD_MODE = 0x4000,
+			KMOD_RESERVED = 0x8000,
+
+			/* These are defines in the SDL headers */
+			KMOD_CTRL = (KMOD_LCTRL | KMOD_RCTRL),
+			KMOD_SHIFT = (KMOD_LSHIFT | KMOD_RSHIFT),
+			KMOD_ALT = (KMOD_LALT | KMOD_RALT),
+			KMOD_GUI = (KMOD_LGUI | KMOD_RGUI)
+		}
+
+		#endregion
+
+		#region SDL_keyboard.h
+		
+		[StructLayout(LayoutKind.Sequential)]
+		public struct SDL_Keysym
+		{
+			SDL_Scancode scancode;
+			SDL_Keycode sym;
+			SDL_Keymod mod; /* UInt16 */
+			UInt32 unicode; /* Deprecated */
+		}
+
+		/* Get the window which has kbd focus */
+		/* Return type is an SDL_Window pointer */
+		[DllImport(nativeLibName)]
+		public static extern IntPtr SDL_GetKeyboardFocus();
+
+		/* Get a snapshot of the keyboard state. */
+		/* Return value is a pointer to a UInt8 array */
+		/* Numkeys returns the size of the array if non-null */
+		[DllImport(nativeLibName)]
+		public static extern IntPtr SDL_GetKeyboardState(ref int numkeys);
+
+		/* Get the current key modifier state for the keyboard. */
+		[DllImport(nativeLibName)]
+		public static extern SDL_Keymod SDL_GetModState();
+
+		/* Set the current key modifier state */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_SetModState(SDL_Keymod modstate);
+
+		/* Get the key code corresponding to the given scancode
+		 * with the current keyboard layout.
+		 */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_GetKeyFromScancode(SDL_Scancode scancode);
+
+		/* Get the scancode for the given keycode */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_GetScancodeFromKey(SDL_Keycode key);
+		
+		/* Wrapper for SDL_GetScancodeName */
+		[DllImport(nativeLibName, EntryPoint="SDL_GetScancodeName")]
+		private static extern IntPtr INTERNAL_SDL_GetScancodeName(SDL_Scancode scancode);
+		/* Get a human-readable name for a scancode */
+		public static string SDL_GetScancodeName(SDL_Scancode scancode)
+		{
+			return Marshal.PtrToStringAnsi(
+				INTERNAL_SDL_GetScancodeName(scancode)
+			);
+		}
+
+		/* Get a scancode from a human-readable name */
+		[DllImport(nativeLibName)]
+		public static extern SDL_Scancode SDL_GetScancodeFromName(
+			[InAttribute()] [MarshalAsAttribute(UnmanagedType.LPStr)] string name
+		);
+		
+		/* Wrapper for SDL_GetKeyName */
+		[DllImport(nativeLibName, EntryPoint="SDL_GetKeyName")]
+		private static extern IntPtr INTERNAL_SDL_GetKeyName(SDL_Keycode key);
+		/* Get a human-readable name for a key */
+		public static string SDL_GetKeyName(SDL_Keycode key)
+		{
+			return Marshal.PtrToStringAnsi(
+				INTERNAL_SDL_GetKeyName(key)
+			);
+		}
+
+		/* Get a key code from a human-readable name */
+		[DllImport(nativeLibName)]
+		public static extern SDL_Keycode SDL_GetKeyFromName(
+			[InAttribute()] [MarshalAsAttribute(UnmanagedType.LPStr)] string name
+		);
+		
+		/* Start accepting Unicode text input events, show keyboard */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_StartTextInput();
+
+		/* Check if unicode input events are enabled */
+		[DllImport(nativeLibName)]
+		public static extern SDL_bool SDL_IsTextInputActive();
+
+		/* Stop receiving any text input events, hide onscreen kbd */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_StopTextInput();
+
+		/* Set the rectangle used for text input, hint for IME */
+		[DllImport(nativeLibName)]
+		public static extern void SDL_SetTextInputRect(ref SDL_Rect rect);
+
+		/* Does the platform support an on-screen keyboard? */
+		[DllImport(nativeLibName)]
+		public static extern SDL_bool SDL_HasScreenKeyboardSupport();
+
+		/* Is the on-screen keyboard shown for a given window? */
+		/* window is an SDL_Window pointer */
+		[DllImport(nativeLibName)]
+		public static extern SDL_bool SDL_IsScreenKeyboardShown(IntPtr window);
 		#endregion
 		/* TODO: Force Feedback:
 		 * http://wiki.libsdl.org/moin.fcg/APIByCategory#Force_Feedback