1 /* SDLMain.m - main entry point for our Cocoa-ized SDL app
2 Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
3 Non-NIB-Code & other changes: Max Horn <max@quendi.de>
5 Feel free to customize this file to suit your needs
10 #if SDL_MAJOR_VERSION == 1
13 #include <sys/param.h> /* for MAXPATHLEN */
16 /* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
17 but the method still is there and works. To avoid warnings, we declare
19 @interface NSApplication(SDL_Missing_Methods)
20 - (void)setAppleMenu:(NSMenu *)menu;
23 /* Use this flag to determine whether we use SDLMain.nib or not */
24 #define SDL_USE_NIB_FILE 0
26 /* Use this flag to determine whether we use CPS (docking) or not */
29 /* Portions of CPS.h */
30 typedef struct CPSProcessSerNum
36 extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
37 extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
38 extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
40 #endif /* SDL_USE_CPS */
44 static BOOL gFinderLaunch;
45 static BOOL gCalledAppMainline = FALSE;
47 static NSString *getApplicationName(void)
49 const NSDictionary *dict;
50 NSString *appName = 0;
52 /* Determine the application name */
53 dict = (const NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
55 appName = [dict objectForKey: @"CFBundleName"];
57 if (![appName length])
58 appName = [[NSProcessInfo processInfo] processName];
64 /* A helper category for NSString */
65 @interface NSString (ReplaceSubString)
66 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
70 @interface NSApplication (SDLApplication)
73 @implementation NSApplication (SDLApplication)
74 /* Invoked from the Quit menu item */
75 - (void)terminate:(id)sender
77 /* Post a SDL_QUIT event */
79 event.type = SDL_QUIT;
80 SDL_PushEvent(&event);
84 /* The main class of the application, the application's delegate */
85 @implementation SDLMain
87 /* Set the working directory to the .app's parent directory */
88 - (void) setupWorkingDirectory:(BOOL)shouldChdir
92 char parentdir[MAXPATHLEN];
93 CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
94 CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
95 if (CFURLGetFileSystemRepresentation(url2, 1, (UInt8 *)parentdir, MAXPATHLEN)) {
96 chdir(parentdir); /* chdir to the binary app's parent */
105 /* Fix menu to contain the real app name instead of "SDL App" */
106 - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
109 NSEnumerator *enumerator;
110 NSMenuItem *menuItem;
112 aRange = [[aMenu title] rangeOfString:@"SDL App"];
113 if (aRange.length != 0)
114 [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
116 enumerator = [[aMenu itemArray] objectEnumerator];
117 while ((menuItem = [enumerator nextObject]))
119 aRange = [[menuItem title] rangeOfString:@"SDL App"];
120 if (aRange.length != 0)
121 [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
122 if ([menuItem hasSubmenu])
123 [self fixMenu:[menuItem submenu] withAppName:appName];
129 static void setApplicationMenu(void)
131 /* warning: this code is very odd */
133 NSMenuItem *menuItem;
137 appName = getApplicationName();
138 appleMenu = [[NSMenu alloc] initWithTitle:@""];
141 title = [@"About " stringByAppendingString:appName];
142 [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
144 [appleMenu addItem:[NSMenuItem separatorItem]];
146 title = [@"Hide " stringByAppendingString:appName];
147 [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
149 menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
150 [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
152 [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
154 [appleMenu addItem:[NSMenuItem separatorItem]];
156 title = [@"Quit " stringByAppendingString:appName];
157 [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
160 /* Put menu into the menubar */
161 menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
162 [menuItem setSubmenu:appleMenu];
163 [[NSApp mainMenu] addItem:menuItem];
165 /* Tell the application object that this is now the application menu */
166 [NSApp setAppleMenu:appleMenu];
168 /* Finally give up our references to the objects */
173 /* Create a window menu */
174 static void setupWindowMenu(void)
177 NSMenuItem *windowMenuItem;
178 NSMenuItem *menuItem;
180 windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
182 /* "Minimize" item */
183 menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
184 [windowMenu addItem:menuItem];
187 /* Put menu into the menubar */
188 windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
189 [windowMenuItem setSubmenu:windowMenu];
190 [[NSApp mainMenu] addItem:windowMenuItem];
192 /* Tell the application object that this is now the window menu */
193 [NSApp setWindowsMenu:windowMenu];
195 /* Finally give up our references to the objects */
196 [windowMenu release];
197 [windowMenuItem release];
200 /* Replacement for NSApplicationMain */
201 static void CustomApplicationMain (int argc, char **argv)
203 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
206 /* Ensure the application object is initialised */
207 [NSApplication sharedApplication];
211 CPSProcessSerNum PSN;
212 /* Tell the dock about us */
213 if (!CPSGetCurrentProcess(&PSN))
214 if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
215 if (!CPSSetFrontProcess(&PSN))
216 [NSApplication sharedApplication];
218 #endif /* SDL_USE_CPS */
220 /* Set up the menubar */
221 [NSApp setMainMenu:[[NSMenu alloc] init]];
222 setApplicationMenu();
225 /* Create SDLMain and make it the app delegate */
226 sdlMain = [[SDLMain alloc] init];
227 [NSApp setDelegate:sdlMain];
229 /* Start the main event loop */
240 * Catch document open requests...this lets us notice files when the app
241 * was launched by double-clicking a document, or when a document was
242 * dragged/dropped on the app's icon. You need to have a
243 * CFBundleDocumentsType section in your Info.plist to get this message,
246 * Files are added to gArgv, so to the app, they'll look like command line
247 * arguments. Previously, apps launched from the finder had nothing but
250 * This message may be received multiple times to open several docs on launch.
252 * This message is ignored once the app's mainline has been called.
254 - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
261 if (!gFinderLaunch) /* MacOS is passing command line args. */
264 if (gCalledAppMainline) /* app has started, ignore this document. */
267 temparg = [filename UTF8String];
268 arglen = SDL_strlen(temparg) + 1;
269 arg = (char *) SDL_malloc(arglen);
273 newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
281 SDL_strlcpy(arg, temparg, arglen);
282 gArgv[gArgc++] = arg;
288 /* Called when the internal event loop has just started running */
289 - (void) applicationDidFinishLaunching: (NSNotification *) note
293 /* Set the working directory to the .app's parent directory */
294 [self setupWorkingDirectory:gFinderLaunch];
297 /* Set the main menu to contain the real app name instead of "SDL App" */
298 [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
301 /* Hand off to main application code */
302 gCalledAppMainline = TRUE;
303 status = SDL_main (gArgc, gArgv);
305 /* We're done, thank you for playing */
311 @implementation NSString (ReplaceSubString)
313 - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
315 unsigned int bufferSize;
316 unsigned int selfLen = [self length];
317 unsigned int aStringLen = [aString length];
322 bufferSize = selfLen + aStringLen - aRange.length;
323 buffer = (unichar *)NSAllocateMemoryPages(bufferSize*sizeof(unichar));
325 /* Get first part into buffer */
326 localRange.location = 0;
327 localRange.length = aRange.location;
328 [self getCharacters:buffer range:localRange];
330 /* Get middle part into buffer */
331 localRange.location = 0;
332 localRange.length = aStringLen;
333 [aString getCharacters:(buffer+aRange.location) range:localRange];
335 /* Get last part into buffer */
336 localRange.location = aRange.location + aRange.length;
337 localRange.length = selfLen - localRange.location;
338 [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
340 /* Build output string */
341 result = [NSString stringWithCharacters:buffer length:bufferSize];
343 NSDeallocateMemoryPages(buffer, bufferSize);
357 /* Main entry point to executable - should *not* be SDL_main! */
358 int main (int argc, char **argv)
360 /* Copy the arguments into a global variable */
361 /* This is passed if we are launched by double-clicking */
362 if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
363 gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
371 gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
372 for (i = 0; i <= argc; i++)
378 NSApplicationMain (argc, argv);
380 CustomApplicationMain (argc, argv);