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root/cebix/BasiliskII/src/SDL/SDLMain.m
Revision: 1.3
Committed: 2011-12-29T07:38:34Z (12 years, 11 months ago) by asvitkine
Branch: MAIN
Changes since 1.2: +0 -7 lines
Log Message:
move NSAutoReleasePool_wrap() into its own file

File Contents

# User Rev Content
1 asvitkine 1.1 /* 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>
4    
5     Feel free to customize this file to suit your needs
6     */
7    
8     #import "SDL.h"
9     #import "SDLMain.h"
10     #import <sys/param.h> /* for MAXPATHLEN */
11     #import <unistd.h>
12    
13     /* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
14     but the method still is there and works. To avoid warnings, we declare
15     it ourselves here. */
16     @interface NSApplication(SDL_Missing_Methods)
17     - (void)setAppleMenu:(NSMenu *)menu;
18     @end
19    
20     /* Use this flag to determine whether we use SDLMain.nib or not */
21     #define SDL_USE_NIB_FILE 0
22    
23     /* Use this flag to determine whether we use CPS (docking) or not */
24     #define SDL_USE_CPS 1
25     #ifdef SDL_USE_CPS
26     /* Portions of CPS.h */
27     typedef struct CPSProcessSerNum
28     {
29     UInt32 lo;
30     UInt32 hi;
31     } CPSProcessSerNum;
32    
33     extern OSErr CPSGetCurrentProcess( CPSProcessSerNum *psn);
34     extern OSErr CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
35     extern OSErr CPSSetFrontProcess( CPSProcessSerNum *psn);
36    
37     #endif /* SDL_USE_CPS */
38    
39     static int gArgc;
40     static char **gArgv;
41     static BOOL gFinderLaunch;
42     static BOOL gCalledAppMainline = FALSE;
43    
44     static NSString *getApplicationName(void)
45     {
46     NSDictionary *dict;
47     NSString *appName = 0;
48    
49     /* Determine the application name */
50     dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
51     if (dict)
52     appName = [dict objectForKey: @"CFBundleName"];
53    
54     if (![appName length])
55     appName = [[NSProcessInfo processInfo] processName];
56    
57     return appName;
58     }
59    
60     #if SDL_USE_NIB_FILE
61     /* A helper category for NSString */
62     @interface NSString (ReplaceSubString)
63     - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
64     @end
65     #endif
66    
67     @interface SDLApplication : NSApplication
68     @end
69    
70     @implementation SDLApplication
71     /* Invoked from the Quit menu item */
72     - (void)terminate:(id)sender
73     {
74     /* Post a SDL_QUIT event */
75     SDL_Event event;
76     event.type = SDL_QUIT;
77     SDL_PushEvent(&event);
78     }
79     @end
80    
81     /* The main class of the application, the application's delegate */
82     @implementation SDLMain
83    
84     /* Set the working directory to the .app's parent directory */
85     - (void) setupWorkingDirectory:(BOOL)shouldChdir
86     {
87     if (shouldChdir)
88     {
89     char parentdir[MAXPATHLEN];
90     CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
91     CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
92     if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
93     assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
94     }
95     CFRelease(url);
96     CFRelease(url2);
97     }
98    
99     }
100    
101     #if SDL_USE_NIB_FILE
102    
103     /* Fix menu to contain the real app name instead of "SDL App" */
104     - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
105     {
106     NSRange aRange;
107     NSEnumerator *enumerator;
108     NSMenuItem *menuItem;
109    
110     aRange = [[aMenu title] rangeOfString:@"SDL App"];
111     if (aRange.length != 0)
112     [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
113    
114     enumerator = [[aMenu itemArray] objectEnumerator];
115     while ((menuItem = [enumerator nextObject]))
116     {
117     aRange = [[menuItem title] rangeOfString:@"SDL App"];
118     if (aRange.length != 0)
119     [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
120     if ([menuItem hasSubmenu])
121     [self fixMenu:[menuItem submenu] withAppName:appName];
122     }
123     [ aMenu sizeToFit ];
124     }
125    
126     #else
127    
128     static void setApplicationMenu(void)
129     {
130     /* warning: this code is very odd */
131     NSMenu *appleMenu;
132     NSMenuItem *menuItem;
133     NSString *title;
134     NSString *appName;
135    
136     appName = getApplicationName();
137     appleMenu = [[NSMenu alloc] initWithTitle:@""];
138    
139     /* Add menu items */
140     title = [@"About " stringByAppendingString:appName];
141     [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
142    
143     [appleMenu addItem:[NSMenuItem separatorItem]];
144    
145     title = [@"Hide " stringByAppendingString:appName];
146     [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
147    
148     menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
149     [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
150    
151     [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
152    
153     [appleMenu addItem:[NSMenuItem separatorItem]];
154    
155     title = [@"Quit " stringByAppendingString:appName];
156     [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
157    
158    
159     /* Put menu into the menubar */
160     menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
161     [menuItem setSubmenu:appleMenu];
162     [[NSApp mainMenu] addItem:menuItem];
163    
164     /* Tell the application object that this is now the application menu */
165     [NSApp setAppleMenu:appleMenu];
166    
167     /* Finally give up our references to the objects */
168     [appleMenu release];
169     [menuItem release];
170     }
171    
172     /* Create a window menu */
173     static void setupWindowMenu(void)
174     {
175     NSMenu *windowMenu;
176     NSMenuItem *windowMenuItem;
177     NSMenuItem *menuItem;
178    
179     windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
180    
181     /* "Minimize" item */
182     menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
183     [windowMenu addItem:menuItem];
184     [menuItem release];
185    
186     /* Put menu into the menubar */
187     windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
188     [windowMenuItem setSubmenu:windowMenu];
189     [[NSApp mainMenu] addItem:windowMenuItem];
190    
191     /* Tell the application object that this is now the window menu */
192     [NSApp setWindowsMenu:windowMenu];
193    
194     /* Finally give up our references to the objects */
195     [windowMenu release];
196     [windowMenuItem release];
197     }
198    
199     /* Replacement for NSApplicationMain */
200     static void CustomApplicationMain (int argc, char **argv)
201     {
202     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
203     SDLMain *sdlMain;
204    
205     /* Ensure the application object is initialised */
206     [SDLApplication sharedApplication];
207    
208     #ifdef SDL_USE_CPS
209     {
210     CPSProcessSerNum PSN;
211     /* Tell the dock about us */
212     if (!CPSGetCurrentProcess(&PSN))
213     if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
214     if (!CPSSetFrontProcess(&PSN))
215     [SDLApplication sharedApplication];
216     }
217     #endif /* SDL_USE_CPS */
218    
219     /* Set up the menubar */
220     [NSApp setMainMenu:[[NSMenu alloc] init]];
221     setApplicationMenu();
222     setupWindowMenu();
223    
224     /* Create SDLMain and make it the app delegate */
225     sdlMain = [[SDLMain alloc] init];
226     [NSApp setDelegate:sdlMain];
227    
228     /* Start the main event loop */
229     [NSApp run];
230    
231     [sdlMain release];
232     [pool release];
233     }
234    
235     #endif
236    
237    
238     /*
239     * Catch document open requests...this lets us notice files when the app
240     * was launched by double-clicking a document, or when a document was
241     * dragged/dropped on the app's icon. You need to have a
242     * CFBundleDocumentsType section in your Info.plist to get this message,
243     * apparently.
244     *
245     * Files are added to gArgv, so to the app, they'll look like command line
246     * arguments. Previously, apps launched from the finder had nothing but
247     * an argv[0].
248     *
249     * This message may be received multiple times to open several docs on launch.
250     *
251     * This message is ignored once the app's mainline has been called.
252     */
253     - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
254     {
255     const char *temparg;
256     size_t arglen;
257     char *arg;
258     char **newargv;
259    
260     if (!gFinderLaunch) /* MacOS is passing command line args. */
261     return FALSE;
262    
263     if (gCalledAppMainline) /* app has started, ignore this document. */
264     return FALSE;
265    
266     temparg = [filename UTF8String];
267     arglen = SDL_strlen(temparg) + 1;
268     arg = (char *) SDL_malloc(arglen);
269     if (arg == NULL)
270     return FALSE;
271    
272     newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
273     if (newargv == NULL)
274     {
275     SDL_free(arg);
276     return FALSE;
277     }
278     gArgv = newargv;
279    
280     SDL_strlcpy(arg, temparg, arglen);
281     gArgv[gArgc++] = arg;
282     gArgv[gArgc] = NULL;
283     return TRUE;
284     }
285    
286    
287     /* Called when the internal event loop has just started running */
288     - (void) applicationDidFinishLaunching: (NSNotification *) note
289     {
290     int status;
291    
292     /* Set the working directory to the .app's parent directory */
293     [self setupWorkingDirectory:gFinderLaunch];
294    
295     #if SDL_USE_NIB_FILE
296     /* Set the main menu to contain the real app name instead of "SDL App" */
297     [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
298     #endif
299    
300     /* Hand off to main application code */
301     gCalledAppMainline = TRUE;
302     status = SDL_main (gArgc, gArgv);
303    
304     /* We're done, thank you for playing */
305     exit(status);
306     }
307     @end
308    
309    
310     @implementation NSString (ReplaceSubString)
311    
312     - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
313     {
314     unsigned int bufferSize;
315     unsigned int selfLen = [self length];
316     unsigned int aStringLen = [aString length];
317     unichar *buffer;
318     NSRange localRange;
319     NSString *result;
320    
321     bufferSize = selfLen + aStringLen - aRange.length;
322     buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
323    
324     /* Get first part into buffer */
325     localRange.location = 0;
326     localRange.length = aRange.location;
327     [self getCharacters:buffer range:localRange];
328    
329     /* Get middle part into buffer */
330     localRange.location = 0;
331     localRange.length = aStringLen;
332     [aString getCharacters:(buffer+aRange.location) range:localRange];
333    
334     /* Get last part into buffer */
335     localRange.location = aRange.location + aRange.length;
336     localRange.length = selfLen - localRange.location;
337     [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
338    
339     /* Build output string */
340     result = [NSString stringWithCharacters:buffer length:bufferSize];
341    
342     NSDeallocateMemoryPages(buffer, bufferSize);
343    
344     return result;
345     }
346    
347     @end
348    
349    
350     #ifdef main
351     # undef main
352     #endif
353    
354    
355     /* Main entry point to executable - should *not* be SDL_main! */
356     int main (int argc, char **argv)
357     {
358     /* Copy the arguments into a global variable */
359     /* This is passed if we are launched by double-clicking */
360     if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
361     gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
362     gArgv[0] = argv[0];
363     gArgv[1] = NULL;
364     gArgc = 1;
365     gFinderLaunch = YES;
366     } else {
367     int i;
368     gArgc = argc;
369     gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
370     for (i = 0; i <= argc; i++)
371     gArgv[i] = argv[i];
372     gFinderLaunch = NO;
373     }
374    
375     #if SDL_USE_NIB_FILE
376     [SDLApplication poseAsClass:[NSApplication class]];
377     NSApplicationMain (argc, argv);
378     #else
379     CustomApplicationMain (argc, argv);
380     #endif
381     return 0;
382     }
383