diff --git a/src/xpdev/SDLMain.m b/src/xpdev/SDLMain.m
new file mode 100644
index 0000000000000000000000000000000000000000..c6d5bfb91eed0451a14fe1367ea75f18da06970d
--- /dev/null
+++ b/src/xpdev/SDLMain.m
@@ -0,0 +1,280 @@
+/* SDLMain.m - main entry point for our Cocoa-ized SDL app
+ Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
+ Non-NIB-Code & other changes: Max Horn <max@quendi.de>
+
+ Feel free to customize this file to suit your needs
+*/
+
+#import "SDL.h"
+#import "SDLMain.h"
+#import <sys/param.h> /* for MAXPATHLEN */
+#import <unistd.h>
+
+/* Use this flag to determine whether we use SDLMain.nib or not */
+#define SDL_USE_NIB_FILE 0
+
+
+static int gArgc;
+static char **gArgv;
+static BOOL gFinderLaunch;
+
+#if SDL_USE_NIB_FILE
+/* A helper category for NSString */
+@interface NSString (ReplaceSubString)
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
+@end
+#else
+/* An internal Apple class used to setup Apple menus */
+@interface NSAppleMenuController:NSObject {}
+- (void)controlMenu:(NSMenu *)aMenu;
+@end
+#endif
+
+@interface SDLApplication : NSApplication
+@end
+
+@implementation SDLApplication
+/* Invoked from the Quit menu item */
+- (void)terminate:(id)sender
+{
+ /* Post a SDL_QUIT event */
+ SDL_Event event;
+ event.type = SDL_QUIT;
+ SDL_PushEvent(&event);
+}
+@end
+
+
+/* The main class of the application, the application's delegate */
+@implementation SDLMain
+
+/* Set the working directory to the .app's parent directory */
+- (void) setupWorkingDirectory:(BOOL)shouldChdir
+{
+ char parentdir[MAXPATHLEN];
+ char *c;
+
+ strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
+ c = (char*) parentdir;
+
+ while (*c != '\0') /* go to end */
+ c++;
+
+ while (*c != '/') /* back up to parent */
+ c--;
+
+ *c++ = '\0'; /* cut off last part (binary name) */
+
+ if (shouldChdir)
+ {
+ assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
+ assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
+ }
+}
+
+#if SDL_USE_NIB_FILE
+
+/* Fix menu to contain the real app name instead of "SDL App" */
+- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
+{
+ NSRange aRange;
+ NSEnumerator *enumerator;
+ NSMenuItem *menuItem;
+
+ aRange = [[aMenu title] rangeOfString:@"SDL App"];
+ if (aRange.length != 0)
+ [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
+
+ enumerator = [[aMenu itemArray] objectEnumerator];
+ while ((menuItem = [enumerator nextObject]))
+ {
+ aRange = [[menuItem title] rangeOfString:@"SDL App"];
+ if (aRange.length != 0)
+ [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
+ if ([menuItem hasSubmenu])
+ [self fixMenu:[menuItem submenu] withAppName:appName];
+ }
+ [ aMenu sizeToFit ];
+}
+
+#else
+
+void setupAppleMenu(void)
+{
+ /* warning: this code is very odd */
+ NSAppleMenuController *appleMenuController;
+ NSMenu *appleMenu;
+ NSMenuItem *appleMenuItem;
+
+ appleMenuController = [[NSAppleMenuController alloc] init];
+ appleMenu = [[NSMenu alloc] initWithTitle:@""];
+ appleMenuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
+
+ [appleMenuItem setSubmenu:appleMenu];
+
+ /* yes, we do need to add it and then remove it --
+ if you don't add it, it doesn't get displayed
+ if you don't remove it, you have an extra, titleless item in the menubar
+ when you remove it, it appears to stick around
+ very, very odd */
+ [[NSApp mainMenu] addItem:appleMenuItem];
+ [appleMenuController controlMenu:appleMenu];
+ [[NSApp mainMenu] removeItem:appleMenuItem];
+ [appleMenu release];
+ [appleMenuItem release];
+}
+
+/* Create a window menu */
+void setupWindowMenu(void)
+{
+ NSMenu *windowMenu;
+ NSMenuItem *windowMenuItem;
+ NSMenuItem *menuItem;
+
+
+ windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
+
+ /* "Minimize" item */
+ menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
+ [windowMenu addItem:menuItem];
+ [menuItem release];
+
+ /* Put menu into the menubar */
+ windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
+ [windowMenuItem setSubmenu:windowMenu];
+ [[NSApp mainMenu] addItem:windowMenuItem];
+
+ /* Tell the application object that this is now the window menu */
+ [NSApp setWindowsMenu:windowMenu];
+
+ /* Finally give up our references to the objects */
+ [windowMenu release];
+ [windowMenuItem release];
+}
+
+extern char **environ;
+
+/* Replacement for NSApplicationMain */
+void CustomApplicationMain (argc, argv)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ SDLMain *sdlMain;
+
+ /* Ensure the application object is initialised */
+ [SDLApplication sharedApplication];
+
+ /* Set up the menubar */
+ [NSApp setMainMenu:[[NSMenu alloc] init]];
+ setupAppleMenu();
+ setupWindowMenu();
+
+ /* Create SDLMain and make it the app delegate */
+ sdlMain = [[SDLMain alloc] init];
+ [NSApp setDelegate:sdlMain];
+
+ /* Start the main event loop */
+ [NSApp run];
+
+ [sdlMain release];
+ [pool release];
+}
+
+#endif
+
+/* Called when the internal event loop has just started running */
+- (void) applicationDidFinishLaunching: (NSNotification *) note
+{
+ int status;
+
+ /* Set the working directory to the .app's parent directory */
+ [self setupWorkingDirectory:gFinderLaunch];
+
+#if SDL_USE_NIB_FILE
+ /* Set the main menu to contain the real app name instead of "SDL App" */
+ [self fixMenu:[NSApp mainMenu] withAppName:[[NSProcessInfo processInfo] processName]];
+#endif
+
+ /* Hand off to main application code */
+ status = SDL_main_env (gArgc, gArgv, environ);
+
+ /* We're done, thank you for playing */
+ exit(status);
+}
+@end
+
+
+@implementation NSString (ReplaceSubString)
+
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
+{
+ unsigned int bufferSize;
+ unsigned int selfLen = [self length];
+ unsigned int aStringLen = [aString length];
+ unichar *buffer;
+ NSRange localRange;
+ NSString *result;
+
+ bufferSize = selfLen + aStringLen - aRange.length;
+ buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
+
+ /* Get first part into buffer */
+ localRange.location = 0;
+ localRange.length = aRange.location;
+ [self getCharacters:buffer range:localRange];
+
+ /* Get middle part into buffer */
+ localRange.location = 0;
+ localRange.length = aStringLen;
+ [aString getCharacters:(buffer+aRange.location) range:localRange];
+
+ /* Get last part into buffer */
+ localRange.location = aRange.location + aRange.length;
+ localRange.length = selfLen - localRange.location;
+ [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
+
+ /* Build output string */
+ result = [NSString stringWithCharacters:buffer length:bufferSize];
+
+ NSDeallocateMemoryPages(buffer, bufferSize);
+
+ return result;
+}
+
+@end
+
+
+
+#ifdef main
+# undef main
+#endif
+
+
+/* Main entry point to executable - should *not* be SDL_main! */
+int main (int argc, char **argv)
+{
+
+ /* Copy the arguments into a global variable */
+ int i;
+
+ /* This is passed if we are launched by double-clicking */
+ if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
+ gArgc = 1;
+ gFinderLaunch = YES;
+ } else {
+ gArgc = argc;
+ gFinderLaunch = NO;
+ }
+ gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
+ assert (gArgv != NULL);
+ for (i = 0; i < gArgc; i++)
+ gArgv[i] = argv[i];
+ gArgv[i] = NULL;
+
+#if SDL_USE_NIB_FILE
+ [SDLApplication poseAsClass:[NSApplication class]];
+ NSApplicationMain (argc, argv);
+#else
+ CustomApplicationMain (argc, argv);
+#endif
+ return 0;
+}