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/* SDLMain.m - main entry point for our Cocoa-ized SDL app
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Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
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Non-NIB-Code & other changes: Max Horn <max@quendi.de>
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Feel free to customize this file to suit your needs
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#import <sys/param.h> /* for MAXPATHLEN */
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/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
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but the method still is there and works. To avoid warnings, we declare
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@interface NSApplication(SDL_Missing_Methods)
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- (void)setAppleMenu:(NSMenu *)menu;
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/* Use this flag to determine whether we use SDLMain.nib or not */
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#define SDL_USE_NIB_FILE 0
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/* Use this flag to determine whether we use CPS (docking) or not */
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/* Portions of CPS.h */
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typedef struct CPSProcessSerNum
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extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
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extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
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extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
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#endif /* SDL_USE_CPS */
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static BOOL gFinderLaunch;
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static BOOL gCalledAppMainline = FALSE;
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static NSString *getApplicationName(void)
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NSString *appName = 0;
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/* Determine the application name */
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dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
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appName = [dict objectForKey: @"CFBundleName"];
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if (![appName length])
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appName = [[NSProcessInfo processInfo] processName];
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/* A helper category for NSString */
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@interface NSString (ReplaceSubString)
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- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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@interface SDLApplication : NSApplication
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@implementation SDLApplication
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/* Invoked from the Quit menu item */
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- (void)terminate:(id)sender
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/* Post a SDL_QUIT event */
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event.type = SDL_QUIT;
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SDL_PushEvent(&event);
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/* The main class of the application, the application's delegate */
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@implementation SDLMain
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/* Set the working directory to the .app's parent directory */
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- (void) setupWorkingDirectory:(BOOL)shouldChdir
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char parentdir[MAXPATHLEN];
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CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
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CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
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if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
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assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
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/* Fix menu to contain the real app name instead of "SDL App" */
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- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
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NSEnumerator *enumerator;
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NSMenuItem *menuItem;
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aRange = [[aMenu title] rangeOfString:@"SDL App"];
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if (aRange.length != 0)
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[aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
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enumerator = [[aMenu itemArray] objectEnumerator];
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while ((menuItem = [enumerator nextObject]))
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aRange = [[menuItem title] rangeOfString:@"SDL App"];
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if (aRange.length != 0)
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[menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
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if ([menuItem hasSubmenu])
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[self fixMenu:[menuItem submenu] withAppName:appName];
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static void setApplicationMenu(void)
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/* warning: this code is very odd */
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NSMenuItem *menuItem;
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appName = getApplicationName();
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appleMenu = [[NSMenu alloc] initWithTitle:@""];
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title = [@"About " stringByAppendingString:appName];
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[appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
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[appleMenu addItem:[NSMenuItem separatorItem]];
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title = [@"Hide " stringByAppendingString:appName];
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[appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
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menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
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[menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
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[appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
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[appleMenu addItem:[NSMenuItem separatorItem]];
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title = [@"Quit " stringByAppendingString:appName];
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[appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
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/* Put menu into the menubar */
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menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
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[menuItem setSubmenu:appleMenu];
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[[NSApp mainMenu] addItem:menuItem];
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/* Tell the application object that this is now the application menu */
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[NSApp setAppleMenu:appleMenu];
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/* Finally give up our references to the objects */
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/* Create a window menu */
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static void setupWindowMenu(void)
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NSMenuItem *windowMenuItem;
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NSMenuItem *menuItem;
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windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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/* "Minimize" item */
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menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
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[windowMenu addItem:menuItem];
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/* Put menu into the menubar */
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windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
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[windowMenuItem setSubmenu:windowMenu];
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[[NSApp mainMenu] addItem:windowMenuItem];
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/* Tell the application object that this is now the window menu */
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[NSApp setWindowsMenu:windowMenu];
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/* Finally give up our references to the objects */
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[windowMenu release];
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[windowMenuItem release];
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/* Replacement for NSApplicationMain */
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static void CustomApplicationMain (int argc, char **argv)
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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/* Ensure the application object is initialised */
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[SDLApplication sharedApplication];
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CPSProcessSerNum PSN;
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/* Tell the dock about us */
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if (!CPSGetCurrentProcess(&PSN))
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if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
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if (!CPSSetFrontProcess(&PSN))
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[SDLApplication sharedApplication];
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#endif /* SDL_USE_CPS */
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/* Set up the menubar */
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[NSApp setMainMenu:[[NSMenu alloc] init]];
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setApplicationMenu();
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/* Create SDLMain and make it the app delegate */
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sdlMain = [[SDLMain alloc] init];
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[NSApp setDelegate:sdlMain];
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/* Start the main event loop */
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* Catch document open requests...this lets us notice files when the app
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* was launched by double-clicking a document, or when a document was
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* dragged/dropped on the app's icon. You need to have a
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* CFBundleDocumentsType section in your Info.plist to get this message,
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* Files are added to gArgv, so to the app, they'll look like command line
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* arguments. Previously, apps launched from the finder had nothing but
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* This message may be received multiple times to open several docs on launch.
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* This message is ignored once the app's mainline has been called.
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- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
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if (!gFinderLaunch) /* MacOS is passing command line args. */
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if (gCalledAppMainline) /* app has started, ignore this document. */
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temparg = [filename UTF8String];
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arglen = SDL_strlen(temparg) + 1;
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arg = (char *) SDL_malloc(arglen);
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newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
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SDL_strlcpy(arg, temparg, arglen);
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gArgv[gArgc++] = arg;
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/* Called when the internal event loop has just started running */
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- (void) applicationDidFinishLaunching: (NSNotification *) note
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/* Set the working directory to the .app's parent directory */
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[self setupWorkingDirectory:gFinderLaunch];
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/* Set the main menu to contain the real app name instead of "SDL App" */
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[self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
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/* Hand off to main application code */
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gCalledAppMainline = TRUE;
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status = SDL_main (gArgc, gArgv);
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/* We're done, thank you for playing */
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@implementation NSString (ReplaceSubString)
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- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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unsigned int bufferSize;
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unsigned int selfLen = [self length];
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unsigned int aStringLen = [aString length];
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bufferSize = selfLen + aStringLen - aRange.length;
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buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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/* Get first part into buffer */
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localRange.location = 0;
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localRange.length = aRange.location;
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[self getCharacters:buffer range:localRange];
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/* Get middle part into buffer */
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localRange.location = 0;
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localRange.length = aStringLen;
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[aString getCharacters:(buffer+aRange.location) range:localRange];
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/* Get last part into buffer */
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localRange.location = aRange.location + aRange.length;
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localRange.length = selfLen - localRange.location;
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[self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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/* Build output string */
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result = [NSString stringWithCharacters:buffer length:bufferSize];
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NSDeallocateMemoryPages(buffer, bufferSize);
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/* Main entry point to executable - should *not* be SDL_main! */
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int main (int argc, char **argv)
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/* Copy the arguments into a global variable */
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/* This is passed if we are launched by double-clicking */
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if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
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gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
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for (i = 0; i <= argc; i++)
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[SDLApplication poseAsClass:[NSApplication class]];
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NSApplicationMain (argc, argv);
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CustomApplicationMain (argc, argv);
added
removed
src/main/macosx/SDLMain.m
