Added tool for checking scancodes

Author: kometbomb

.gitignore

@@ -5,3 +5,4 @@
 /src/version_number.h
 /src/version.h
 *.dll
+*.exe

scancode-tool/Makefile

@@ -0,0 +1,5 @@
+CC = gcc -s -Ic:/MinGW/include/SDL2
+EXE = scancode.exe
+
+$(EXE): scancode.c
+	$(CC) -o $@ $^ -lmingw32 -lSDL2main -lSDL2 

scancode-tool/scancode.c

@@ -0,0 +1,32 @@
+#include "SDL.h"
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	SDL_Init(SDL_INIT_EVERYTHING);
+	SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 100, 100, 0);
+		
+	printf("Make sure the empty window is focused and hit any key to see info for that key!\n\n");
+	
+	while (1)
+	{
+		SDL_Event e;
+		
+		if (SDL_PollEvent(&e))
+		{
+			if (e.type == SDL_QUIT)
+				break;
+			
+			if (e.type == SDL_KEYDOWN)
+			{
+				printf("scancode = %x\tsym = %x\tmod = %x\n", e.key.keysym.scancode, e.key.keysym.sym, e.key.keysym.mod);
+			}
+		}
+		else
+			SDL_Delay(10);
+	}
+	
+	SDL_Quit();
+	
+	return 0;
+}