PageRenderTime 116ms CodeModel.GetById 2ms app.highlight 107ms RepoModel.GetById 1ms app.codeStats 0ms

/Avc/SDLMain.m

http://github.com/mbebenita/Broadway
Objective C | 383 lines | 242 code | 79 blank | 62 comment | 24 complexity | 6682801bdcf031660e38c87210b889f7 MD5 | raw file
  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#include <SDL/SDL.h>
  9#include "SDLMain.h"
 10#include <sys/param.h> /* for MAXPATHLEN */
 11#include <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 */
 27typedef struct CPSProcessSerNum
 28{
 29	UInt32		lo;
 30	UInt32		hi;
 31} CPSProcessSerNum;
 32
 33extern OSErr	CPSGetCurrentProcess( CPSProcessSerNum *psn);
 34extern OSErr 	CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
 35extern OSErr	CPSSetFrontProcess( CPSProcessSerNum *psn);
 36
 37#endif /* SDL_USE_CPS */
 38
 39static int    gArgc;
 40static char  **gArgv;
 41static BOOL   gFinderLaunch;
 42static BOOL   gCalledAppMainline = FALSE;
 43
 44static NSString *getApplicationName(void)
 45{
 46    const NSDictionary *dict;
 47    NSString *appName = 0;
 48
 49    /* Determine the application name */
 50    dict = (const 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, 1, (UInt8 *)parentdir, MAXPATHLEN)) {
 93            chdir(parentdir);   /* chdir to the binary app's parent */
 94        }
 95        CFRelease(url);
 96        CFRelease(url2);
 97    }
 98}
 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    [ aMenu sizeToFit ];
123}
124
125#else
126
127static void setApplicationMenu(void)
128{
129    /* warning: this code is very odd */
130    NSMenu *appleMenu;
131    NSMenuItem *menuItem;
132    NSString *title;
133    NSString *appName;
134    
135    appName = getApplicationName();
136    appleMenu = [[NSMenu alloc] initWithTitle:@""];
137    
138    /* Add menu items */
139    title = [@"About " stringByAppendingString:appName];
140    [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
141
142    [appleMenu addItem:[NSMenuItem separatorItem]];
143
144    title = [@"Hide " stringByAppendingString:appName];
145    [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
146
147    menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
148    [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
149
150    [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
151
152    [appleMenu addItem:[NSMenuItem separatorItem]];
153
154    title = [@"Quit " stringByAppendingString:appName];
155    [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
156
157    
158    /* Put menu into the menubar */
159    menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
160    [menuItem setSubmenu:appleMenu];
161    [[NSApp mainMenu] addItem:menuItem];
162
163    /* Tell the application object that this is now the application menu */
164    [NSApp setAppleMenu:appleMenu];
165
166    /* Finally give up our references to the objects */
167    [appleMenu release];
168    [menuItem release];
169}
170
171/* Create a window menu */
172static void setupWindowMenu(void)
173{
174    NSMenu      *windowMenu;
175    NSMenuItem  *windowMenuItem;
176    NSMenuItem  *menuItem;
177
178    windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
179    
180    /* "Minimize" item */
181    menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
182    [windowMenu addItem:menuItem];
183    [menuItem release];
184    
185    /* Put menu into the menubar */
186    windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
187    [windowMenuItem setSubmenu:windowMenu];
188    [[NSApp mainMenu] addItem:windowMenuItem];
189    
190    /* Tell the application object that this is now the window menu */
191    [NSApp setWindowsMenu:windowMenu];
192
193    /* Finally give up our references to the objects */
194    [windowMenu release];
195    [windowMenuItem release];
196}
197
198/* Replacement for NSApplicationMain */
199static void CustomApplicationMain (int argc, char **argv)
200{
201    NSAutoreleasePool	*pool = [[NSAutoreleasePool alloc] init];
202    SDLMain				*sdlMain;
203
204    /* Ensure the application object is initialised */
205    [SDLApplication sharedApplication];
206    
207#ifdef SDL_USE_CPS
208    {
209        CPSProcessSerNum PSN;
210        /* Tell the dock about us */
211        if (!CPSGetCurrentProcess(&PSN))
212            if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
213                if (!CPSSetFrontProcess(&PSN))
214                    [SDLApplication sharedApplication];
215    }
216#endif /* SDL_USE_CPS */
217
218    /* Set up the menubar */
219    [NSApp setMainMenu:[[NSMenu alloc] init]];
220    setApplicationMenu();
221    setupWindowMenu();
222
223    /* Create SDLMain and make it the app delegate */
224    sdlMain = [[SDLMain alloc] init];
225    [NSApp setDelegate:sdlMain];
226    
227    /* Start the main event loop */
228    [NSApp run];
229    
230    [sdlMain release];
231    [pool release];
232}
233
234#endif
235
236
237/*
238 * Catch document open requests...this lets us notice files when the app
239 *  was launched by double-clicking a document, or when a document was
240 *  dragged/dropped on the app's icon. You need to have a
241 *  CFBundleDocumentsType section in your Info.plist to get this message,
242 *  apparently.
243 *
244 * Files are added to gArgv, so to the app, they'll look like command line
245 *  arguments. Previously, apps launched from the finder had nothing but
246 *  an argv[0].
247 *
248 * This message may be received multiple times to open several docs on launch.
249 *
250 * This message is ignored once the app's mainline has been called.
251 */
252- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
253{
254    const char *temparg;
255    size_t arglen;
256    char *arg;
257    char **newargv;
258
259    if (!gFinderLaunch)  /* MacOS is passing command line args. */
260        return FALSE;
261
262    if (gCalledAppMainline)  /* app has started, ignore this document. */
263        return FALSE;
264
265    temparg = [filename UTF8String];
266    arglen = SDL_strlen(temparg) + 1;
267    arg = (char *) SDL_malloc(arglen);
268    if (arg == NULL)
269        return FALSE;
270
271    newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
272    if (newargv == NULL)
273    {
274        SDL_free(arg);
275        return FALSE;
276    }
277    gArgv = newargv;
278
279    SDL_strlcpy(arg, temparg, arglen);
280    gArgv[gArgc++] = arg;
281    gArgv[gArgc] = NULL;
282    return TRUE;
283}
284
285
286/* Called when the internal event loop has just started running */
287- (void) applicationDidFinishLaunching: (NSNotification *) note
288{
289    int status;
290
291    /* Set the working directory to the .app's parent directory */
292    [self setupWorkingDirectory:gFinderLaunch];
293
294#if SDL_USE_NIB_FILE
295    /* Set the main menu to contain the real app name instead of "SDL App" */
296    [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
297#endif
298
299    /* Hand off to main application code */
300    gCalledAppMainline = TRUE;
301    status = SDL_main (gArgc, gArgv);
302
303    /* We're done, thank you for playing */
304    exit(status);
305}
306@end
307
308
309@implementation NSString (ReplaceSubString)
310
311- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
312{
313    unsigned int bufferSize;
314    unsigned int selfLen = [self length];
315    unsigned int aStringLen = [aString length];
316    unichar *buffer;
317    NSRange localRange;
318    NSString *result;
319
320    bufferSize = selfLen + aStringLen - aRange.length;
321    buffer = (unichar *)NSAllocateMemoryPages(bufferSize*sizeof(unichar));
322    
323    /* Get first part into buffer */
324    localRange.location = 0;
325    localRange.length = aRange.location;
326    [self getCharacters:buffer range:localRange];
327    
328    /* Get middle part into buffer */
329    localRange.location = 0;
330    localRange.length = aStringLen;
331    [aString getCharacters:(buffer+aRange.location) range:localRange];
332     
333    /* Get last part into buffer */
334    localRange.location = aRange.location + aRange.length;
335    localRange.length = selfLen - localRange.location;
336    [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
337    
338    /* Build output string */
339    result = [NSString stringWithCharacters:buffer length:bufferSize];
340    
341    NSDeallocateMemoryPages(buffer, bufferSize);
342    
343    return result;
344}
345
346@end
347
348
349
350#ifdef main
351#  undef main
352#endif
353
354
355/* Main entry point to executable - should *not* be SDL_main! */
356int 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