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root/cebix/BasiliskII/src/SDL/SDLMain.m
Revision: 1.4
Committed: 2012-06-15T22:52:49Z (12 years ago) by asvitkine
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +20 -22 lines
Log Message:
pull latest SDLMain from SDL-1.2.15

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 asvitkine 1.4 #include "SDL.h"
9     #include "SDLMain.h"
10     #include <sys/param.h> /* for MAXPATHLEN */
11     #include <unistd.h>
12 asvitkine 1.1
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 asvitkine 1.4 const NSDictionary *dict;
47 asvitkine 1.1 NSString *appName = 0;
48    
49     /* Determine the application name */
50 asvitkine 1.4 dict = (const NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
51 asvitkine 1.1 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 asvitkine 1.4 @interface NSApplication (SDLApplication)
68 asvitkine 1.1 @end
69    
70 asvitkine 1.4 @implementation NSApplication (SDLApplication)
71 asvitkine 1.1 /* 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 asvitkine 1.4 CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
91     CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
92     if (CFURLGetFileSystemRepresentation(url2, 1, (UInt8 *)parentdir, MAXPATHLEN)) {
93     chdir(parentdir); /* chdir to the binary app's parent */
94     }
95     CFRelease(url);
96     CFRelease(url2);
97     }
98 asvitkine 1.1 }
99    
100     #if SDL_USE_NIB_FILE
101    
102     /* Fix menu to contain the real app name instead of "SDL App" */
103     - (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
104     {
105     NSRange aRange;
106     NSEnumerator *enumerator;
107     NSMenuItem *menuItem;
108    
109     aRange = [[aMenu title] rangeOfString:@"SDL App"];
110     if (aRange.length != 0)
111     [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
112    
113     enumerator = [[aMenu itemArray] objectEnumerator];
114     while ((menuItem = [enumerator nextObject]))
115     {
116     aRange = [[menuItem title] rangeOfString:@"SDL App"];
117     if (aRange.length != 0)
118     [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
119     if ([menuItem hasSubmenu])
120     [self fixMenu:[menuItem submenu] withAppName:appName];
121     }
122     }
123    
124     #else
125    
126     static void setApplicationMenu(void)
127     {
128     /* warning: this code is very odd */
129     NSMenu *appleMenu;
130     NSMenuItem *menuItem;
131     NSString *title;
132     NSString *appName;
133    
134     appName = getApplicationName();
135     appleMenu = [[NSMenu alloc] initWithTitle:@""];
136    
137     /* Add menu items */
138     title = [@"About " stringByAppendingString:appName];
139     [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
140    
141     [appleMenu addItem:[NSMenuItem separatorItem]];
142    
143     title = [@"Hide " stringByAppendingString:appName];
144     [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
145    
146     menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
147     [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
148    
149     [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
150    
151     [appleMenu addItem:[NSMenuItem separatorItem]];
152    
153     title = [@"Quit " stringByAppendingString:appName];
154     [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
155    
156    
157     /* Put menu into the menubar */
158     menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
159     [menuItem setSubmenu:appleMenu];
160     [[NSApp mainMenu] addItem:menuItem];
161    
162     /* Tell the application object that this is now the application menu */
163     [NSApp setAppleMenu:appleMenu];
164    
165     /* Finally give up our references to the objects */
166     [appleMenu release];
167     [menuItem release];
168     }
169    
170     /* Create a window menu */
171     static void setupWindowMenu(void)
172     {
173     NSMenu *windowMenu;
174     NSMenuItem *windowMenuItem;
175     NSMenuItem *menuItem;
176    
177     windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
178    
179     /* "Minimize" item */
180     menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
181     [windowMenu addItem:menuItem];
182     [menuItem release];
183    
184     /* Put menu into the menubar */
185     windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
186     [windowMenuItem setSubmenu:windowMenu];
187     [[NSApp mainMenu] addItem:windowMenuItem];
188    
189     /* Tell the application object that this is now the window menu */
190     [NSApp setWindowsMenu:windowMenu];
191    
192     /* Finally give up our references to the objects */
193     [windowMenu release];
194     [windowMenuItem release];
195     }
196    
197     /* Replacement for NSApplicationMain */
198     static void CustomApplicationMain (int argc, char **argv)
199     {
200     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
201     SDLMain *sdlMain;
202    
203     /* Ensure the application object is initialised */
204 asvitkine 1.4 [NSApplication sharedApplication];
205 asvitkine 1.1
206     #ifdef SDL_USE_CPS
207     {
208     CPSProcessSerNum PSN;
209     /* Tell the dock about us */
210     if (!CPSGetCurrentProcess(&PSN))
211     if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
212     if (!CPSSetFrontProcess(&PSN))
213 asvitkine 1.4 [NSApplication sharedApplication];
214 asvitkine 1.1 }
215     #endif /* SDL_USE_CPS */
216    
217     /* Set up the menubar */
218     [NSApp setMainMenu:[[NSMenu alloc] init]];
219     setApplicationMenu();
220     setupWindowMenu();
221    
222     /* Create SDLMain and make it the app delegate */
223     sdlMain = [[SDLMain alloc] init];
224     [NSApp setDelegate:sdlMain];
225    
226     /* Start the main event loop */
227     [NSApp run];
228    
229     [sdlMain release];
230     [pool release];
231     }
232    
233     #endif
234    
235    
236     /*
237     * Catch document open requests...this lets us notice files when the app
238     * was launched by double-clicking a document, or when a document was
239     * dragged/dropped on the app's icon. You need to have a
240     * CFBundleDocumentsType section in your Info.plist to get this message,
241     * apparently.
242     *
243     * Files are added to gArgv, so to the app, they'll look like command line
244     * arguments. Previously, apps launched from the finder had nothing but
245     * an argv[0].
246     *
247     * This message may be received multiple times to open several docs on launch.
248     *
249     * This message is ignored once the app's mainline has been called.
250     */
251     - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
252     {
253     const char *temparg;
254     size_t arglen;
255     char *arg;
256     char **newargv;
257    
258     if (!gFinderLaunch) /* MacOS is passing command line args. */
259     return FALSE;
260    
261     if (gCalledAppMainline) /* app has started, ignore this document. */
262     return FALSE;
263    
264     temparg = [filename UTF8String];
265     arglen = SDL_strlen(temparg) + 1;
266     arg = (char *) SDL_malloc(arglen);
267     if (arg == NULL)
268     return FALSE;
269    
270     newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
271     if (newargv == NULL)
272     {
273     SDL_free(arg);
274     return FALSE;
275     }
276     gArgv = newargv;
277    
278     SDL_strlcpy(arg, temparg, arglen);
279     gArgv[gArgc++] = arg;
280     gArgv[gArgc] = NULL;
281     return TRUE;
282     }
283    
284    
285     /* Called when the internal event loop has just started running */
286     - (void) applicationDidFinishLaunching: (NSNotification *) note
287     {
288     int status;
289    
290     /* Set the working directory to the .app's parent directory */
291     [self setupWorkingDirectory:gFinderLaunch];
292    
293     #if SDL_USE_NIB_FILE
294     /* Set the main menu to contain the real app name instead of "SDL App" */
295     [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
296     #endif
297    
298     /* Hand off to main application code */
299     gCalledAppMainline = TRUE;
300     status = SDL_main (gArgc, gArgv);
301    
302     /* We're done, thank you for playing */
303     exit(status);
304     }
305     @end
306    
307    
308     @implementation NSString (ReplaceSubString)
309    
310     - (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
311     {
312     unsigned int bufferSize;
313     unsigned int selfLen = [self length];
314     unsigned int aStringLen = [aString length];
315     unichar *buffer;
316     NSRange localRange;
317     NSString *result;
318    
319     bufferSize = selfLen + aStringLen - aRange.length;
320 asvitkine 1.4 buffer = (unichar *)NSAllocateMemoryPages(bufferSize*sizeof(unichar));
321 asvitkine 1.1
322     /* Get first part into buffer */
323     localRange.location = 0;
324     localRange.length = aRange.location;
325     [self getCharacters:buffer range:localRange];
326    
327     /* Get middle part into buffer */
328     localRange.location = 0;
329     localRange.length = aStringLen;
330     [aString getCharacters:(buffer+aRange.location) range:localRange];
331    
332     /* Get last part into buffer */
333     localRange.location = aRange.location + aRange.length;
334     localRange.length = selfLen - localRange.location;
335     [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
336    
337     /* Build output string */
338     result = [NSString stringWithCharacters:buffer length:bufferSize];
339    
340     NSDeallocateMemoryPages(buffer, bufferSize);
341    
342     return result;
343     }
344    
345     @end
346    
347    
348 asvitkine 1.4
349 asvitkine 1.1 #ifdef main
350     # undef main
351     #endif
352    
353    
354     /* Main entry point to executable - should *not* be SDL_main! */
355     int main (int argc, char **argv)
356     {
357     /* Copy the arguments into a global variable */
358     /* This is passed if we are launched by double-clicking */
359     if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
360     gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
361     gArgv[0] = argv[0];
362     gArgv[1] = NULL;
363     gArgc = 1;
364     gFinderLaunch = YES;
365     } else {
366     int i;
367     gArgc = argc;
368     gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
369     for (i = 0; i <= argc; i++)
370     gArgv[i] = argv[i];
371     gFinderLaunch = NO;
372     }
373    
374     #if SDL_USE_NIB_FILE
375     NSApplicationMain (argc, argv);
376     #else
377     CustomApplicationMain (argc, argv);
378     #endif
379     return 0;
380     }
381