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+/* SDLMain.m - main entry point for our Cocoa-ized SDL app
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+ Initial Version: Darrell Walisser <[email protected]>
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+ Non-NIB-Code & other changes: Max Horn <[email protected]>
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+
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+ Feel free to customize this file to suit your needs
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+*/
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+
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+#include "SDL.h"
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+#include "SDLMain.h"
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+#include <sys/param.h> /* for MAXPATHLEN */
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+#include <unistd.h>
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+
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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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+ it ourselves here. */
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+@interface NSApplication(SDL_Missing_Methods)
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+- (void)setAppleMenu:(NSMenu *)menu;
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+@end
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+
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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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+
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+/* Use this flag to determine whether we use CPS (docking) or not */
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+#define SDL_USE_CPS 1
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+#ifdef SDL_USE_CPS
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+/* Portions of CPS.h */
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+typedef struct CPSProcessSerNum
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+{
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+ UInt32 lo;
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+ UInt32 hi;
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+} CPSProcessSerNum;
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+
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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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+
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+#endif /* SDL_USE_CPS */
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+
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+static int gArgc;
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+static char **gArgv;
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+static BOOL gFinderLaunch;
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+static BOOL gCalledAppMainline = FALSE;
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+
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+static NSString *getApplicationName(void)
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+{
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+ const NSDictionary *dict;
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+ NSString *appName = 0;
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+
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+ /* Determine the application name */
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+ dict = (const NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
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+ if (dict)
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+ appName = [dict objectForKey: @"CFBundleName"];
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+
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+ if (![appName length])
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+ appName = [[NSProcessInfo processInfo] processName];
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+
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+ return appName;
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+}
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+
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+#if SDL_USE_NIB_FILE
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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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+@end
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+#endif
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+
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+@interface SDLApplication : NSApplication
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+@end
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+
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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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+{
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+ /* Post a SDL_QUIT event */
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+ SDL_Event event;
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+ event.type = SDL_QUIT;
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+ SDL_PushEvent(&event);
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+}
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+@end
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+
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+/* The main class of the application, the application's delegate */
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+@implementation SDLMain
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+
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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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+{
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+ if (shouldChdir)
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+ {
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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, 1, (UInt8 *)parentdir, MAXPATHLEN)) {
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+ chdir(parentdir); /* chdir to the binary app's parent */
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+ }
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+ CFRelease(url);
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+ CFRelease(url2);
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+ }
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+}
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+
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+#if SDL_USE_NIB_FILE
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+
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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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+{
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+ NSRange aRange;
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+ NSEnumerator *enumerator;
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+ NSMenuItem *menuItem;
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+
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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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+
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+ enumerator = [[aMenu itemArray] objectEnumerator];
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+ while ((menuItem = [enumerator nextObject]))
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+ {
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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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+ }
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+ [ aMenu sizeToFit ];
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+}
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+
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+#else
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+
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+static void setApplicationMenu(void)
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+{
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+ /* warning: this code is very odd */
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+ NSMenu *appleMenu;
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+ NSMenuItem *menuItem;
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+ NSString *title;
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+ NSString *appName;
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+
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+ appName = getApplicationName();
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+ appleMenu = [[NSMenu alloc] initWithTitle:@""];
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+
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+ /* Add menu items */
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+ title = [@"About " stringByAppendingString:appName];
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+ [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
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+
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+ [appleMenu addItem:[NSMenuItem separatorItem]];
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+
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+ title = [@"Hide " stringByAppendingString:appName];
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+ [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
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+
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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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+
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+ [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
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+
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+ [appleMenu addItem:[NSMenuItem separatorItem]];
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+
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+ title = [@"Quit " stringByAppendingString:appName];
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+ [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
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+
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+
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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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+
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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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+
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+ /* Finally give up our references to the objects */
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+ [appleMenu release];
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+ [menuItem release];
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+}
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+
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+/* Create a window menu */
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+static void setupWindowMenu(void)
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+{
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+ NSMenu *windowMenu;
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+ NSMenuItem *windowMenuItem;
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+ NSMenuItem *menuItem;
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+
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+ windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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+
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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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+ [menuItem release];
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+
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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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+
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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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+
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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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+}
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+
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+/* Replacement for NSApplicationMain */
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+static void CustomApplicationMain (int argc, char **argv)
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+{
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+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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+ SDLMain *sdlMain;
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+
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+ /* Ensure the application object is initialised */
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+ [SDLApplication sharedApplication];
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+
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+#ifdef SDL_USE_CPS
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+ {
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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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+ }
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+#endif /* SDL_USE_CPS */
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+
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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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+ setupWindowMenu();
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+
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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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+
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+ /* Start the main event loop */
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+ [NSApp run];
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+
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+ [sdlMain release];
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+ [pool release];
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+}
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+
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+#endif
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+
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+
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+/*
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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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+ * apparently.
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+ *
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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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+ * an argv[0].
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+ *
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+ * This message may be received multiple times to open several docs on launch.
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+ *
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+ * This message is ignored once the app's mainline has been called.
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+ */
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+- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
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+{
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+ const char *temparg;
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+ size_t arglen;
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+ char *arg;
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+ char **newargv;
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+
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+ if (!gFinderLaunch) /* MacOS is passing command line args. */
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+ return FALSE;
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+
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+ if (gCalledAppMainline) /* app has started, ignore this document. */
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+ return FALSE;
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+
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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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+ if (arg == NULL)
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+ return FALSE;
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+
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+ newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
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+ if (newargv == NULL)
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+ {
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+ SDL_free(arg);
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+ return FALSE;
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+ }
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+ gArgv = newargv;
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+
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+ SDL_strlcpy(arg, temparg, arglen);
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+ gArgv[gArgc++] = arg;
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+ gArgv[gArgc] = NULL;
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+ return TRUE;
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+}
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+
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+
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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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+{
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+ int status;
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+
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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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+
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+#if SDL_USE_NIB_FILE
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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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+#endif
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+
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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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+
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+ /* We're done, thank you for playing */
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+ exit(status);
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+}
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+@end
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+
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+
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+@implementation NSString (ReplaceSubString)
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+
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+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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+{
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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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+ unichar *buffer;
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+ NSRange localRange;
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+ NSString *result;
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+
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+ bufferSize = selfLen + aStringLen - aRange.length;
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+ buffer = (unichar *)NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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+
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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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+
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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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+
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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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+
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+ /* Build output string */
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+ result = [NSString stringWithCharacters:buffer length:bufferSize];
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+
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+ NSDeallocateMemoryPages(buffer, bufferSize);
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+
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+ return result;
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+}
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+
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+@end
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+
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+
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+
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+#ifdef main
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+# undef main
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+#endif
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+
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+
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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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+{
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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[0] = argv[0];
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+ gArgv[1] = NULL;
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+ gArgc = 1;
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+ gFinderLaunch = YES;
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+ } else {
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+ int i;
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+ gArgc = argc;
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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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+ gArgv[i] = argv[i];
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+ gFinderLaunch = NO;
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+ }
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+
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+#if SDL_USE_NIB_FILE
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+ [SDLApplication poseAsClass:[NSApplication class]];
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+ NSApplicationMain (argc, argv);
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+#else
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+ CustomApplicationMain (argc, argv);
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+#endif
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+ return 0;
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+}
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+
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Ivan Savenko