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+/* 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/SDL.h>
+#import "SDLMain.h"
+#import <sys/param.h> /* for MAXPATHLEN */
+#import <unistd.h>
+
+/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
+ but the method still is there and works. To avoid warnings, we declare
+ it ourselves here. */
+@interface NSApplication(SDL_Missing_Methods)
+- (void)setAppleMenu:(NSMenu *)menu;
+@end
+
+/* Use this flag to determine whether we use SDLMain.nib or not */
+#define SDL_USE_NIB_FILE 0
+
+/* Use this flag to determine whether we use CPS (docking) or not */
+#define SDL_USE_CPS 1
+#ifdef SDL_USE_CPS
+/* Portions of CPS.h */
+typedef struct CPSProcessSerNum
+{
+ UInt32 lo;
+ UInt32 hi;
+} CPSProcessSerNum;
+
+extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
+extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
+extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
+
+#endif /* SDL_USE_CPS */
+
+static int gArgc;
+static char **gArgv;
+static BOOL gFinderLaunch;
+static BOOL gCalledAppMainline = FALSE;
+
+static NSString *getApplicationName(void)
+{
+ NSDictionary *dict;
+ NSString *appName = 0;
+
+ /* Determine the application name */
+ dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
+ if (dict)
+ appName = [dict objectForKey: @"CFBundleName"];
+
+ if (![appName length])
+ appName = [[NSProcessInfo processInfo] processName];
+
+ return appName;
+}
+
+#if SDL_USE_NIB_FILE
+/* A helper category for NSString */
+@interface NSString (ReplaceSubString)
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
+@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
+{
+ if (shouldChdir)
+ {
+ char parentdir[MAXPATHLEN];
+ CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
+ CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
+ if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
+ assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
+ }
+ CFRelease(url);
+ CFRelease(url2);
+ }
+
+}
+
+#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
+
+static void setApplicationMenu(void)
+{
+ /* warning: this code is very odd */
+ NSMenu *appleMenu;
+ NSMenuItem *menuItem;
+ NSString *title;
+ NSString *appName;
+
+ appName = getApplicationName();
+ appleMenu = [[NSMenu alloc] initWithTitle:@""];
+
+ /* Add menu items */
+ title = [@"About " stringByAppendingString:appName];
+ [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
+
+ [appleMenu addItem:[NSMenuItem separatorItem]];
+
+ title = [@"Hide " stringByAppendingString:appName];
+ [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
+
+ menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
+ [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
+
+ [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
+
+ [appleMenu addItem:[NSMenuItem separatorItem]];
+
+ title = [@"Quit " stringByAppendingString:appName];
+ [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
+
+
+ /* Put menu into the menubar */
+ menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
+ [menuItem setSubmenu:appleMenu];
+ [[NSApp mainMenu] addItem:menuItem];
+
+ /* Tell the application object that this is now the application menu */
+ [NSApp setAppleMenu:appleMenu];
+
+ /* Finally give up our references to the objects */
+ [appleMenu release];
+ [menuItem release];
+}
+
+/* Create a window menu */
+static 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];
+}
+
+/* Replacement for NSApplicationMain */
+static void CustomApplicationMain (int argc, char **argv)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ SDLMain *sdlMain;
+
+ /* Ensure the application object is initialised */
+ [SDLApplication sharedApplication];
+
+#ifdef SDL_USE_CPS
+ {
+ CPSProcessSerNum PSN;
+ /* Tell the dock about us */
+ if (!CPSGetCurrentProcess(&PSN))
+ if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
+ if (!CPSSetFrontProcess(&PSN))
+ [SDLApplication sharedApplication];
+ }
+#endif /* SDL_USE_CPS */
+
+ /* Set up the menubar */
+ [NSApp setMainMenu:[[NSMenu alloc] init]];
+ setApplicationMenu();
+ 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
+
+
+/*
+ * Catch document open requests...this lets us notice files when the app
+ * was launched by double-clicking a document, or when a document was
+ * dragged/dropped on the app's icon. You need to have a
+ * CFBundleDocumentsType section in your Info.plist to get this message,
+ * apparently.
+ *
+ * Files are added to gArgv, so to the app, they'll look like command line
+ * arguments. Previously, apps launched from the finder had nothing but
+ * an argv[0].
+ *
+ * This message may be received multiple times to open several docs on launch.
+ *
+ * This message is ignored once the app's mainline has been called.
+ */
+- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
+{
+ const char *temparg;
+ size_t arglen;
+ char *arg;
+ char **newargv;
+
+ if (!gFinderLaunch) /* MacOS is passing command line args. */
+ return FALSE;
+
+ if (gCalledAppMainline) /* app has started, ignore this document. */
+ return FALSE;
+
+ temparg = [filename UTF8String];
+ arglen = SDL_strlen(temparg) + 1;
+ arg = (char *) SDL_malloc(arglen);
+ if (arg == NULL)
+ return FALSE;
+
+ newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
+ if (newargv == NULL)
+ {
+ SDL_free(arg);
+ return FALSE;
+ }
+ gArgv = newargv;
+
+ SDL_strlcpy(arg, temparg, arglen);
+ gArgv[gArgc++] = arg;
+ gArgv[gArgc] = NULL;
+ return TRUE;
+}
+
+
+/* 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:getApplicationName()];
+#endif
+
+ /* Hand off to main application code */
+ gCalledAppMainline = TRUE;
+ status = SDL_main (gArgc, gArgv);
+
+ /* 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 */
+ /* This is passed if we are launched by double-clicking */
+ if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
+ gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
+ gArgv[0] = argv[0];
+ gArgv[1] = NULL;
+ gArgc = 1;
+ gFinderLaunch = YES;
+ } else {
+ int i;
+ gArgc = argc;
+ gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
+ for (i = 0; i <= argc; i++)
+ gArgv[i] = argv[i];
+ gFinderLaunch = NO;
+ }
+
+#if SDL_USE_NIB_FILE
+ [SDLApplication poseAsClass:[NSApplication class]];
+ NSApplicationMain (argc, argv);
+#else
+ CustomApplicationMain (argc, argv);
+#endif
+ return 0;
+}
+