Oops, back out that SDL_main -> SDLMain conversion

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40195

src/main/macosx/SDLMain.m

@@ -0,0 +1,175 @@
+/*   SDLMain.m - main entry point for our Cocoa-ized SDL app
+       Darrell Walisser - dwaliss1@purdue.edu
+
+    Feel free to customize this file to suit your needs
+*/
+
+#import "SDL.h"
+#import "SDLMain.h"
+#import <sys/param.h> /* for MAXPATHLEN */
+#import <unistd.h>
+
+static int    gArgc;
+static char  **gArgv;
+static NSString *gAppName = 0;
+static BOOL   gFinderLaunch;
+
+@interface NSString (ReplaceSubString)
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
+@end
+
+
+/* The main class of the application, the application's delegate */
+@implementation SDLMain
+
+/* Invoked from the Quit menu item */
+- (void) quit:(id)sender
+{
+    SDL_Event event;
+    event.type = SDL_QUIT;
+    SDL_PushEvent(&event);
+}
+
+/* Invoked from the Make Full-Screen menu item */
+- (void) makeFullscreen:(id)sender
+{
+    /* TODO */
+}
+
+/* Set the working directory to the .app's parent directory */
+- (void) setupWorkingDirectory:(BOOL)shouldChdir
+{
+    char parentdir[MAXPATHLEN];
+    char *c;
+    
+    strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
+    c = (char*) parentdir;
+
+    while (*c != '\0')     /* go to end */
+        c++;
+    
+    while (*c != '/')      /* back up to parent */
+        c--;
+    
+    *c++ = '\0';             /* cut off last part (binary name) */
+  
+    if (shouldChdir)
+    {
+      assert ( chdir (parentdir) == 0 );   /* chdir to the binary app's parent */
+      assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
+    }
+    /* gAppName = [ NSString stringWithCString: c ]; */
+}
+
+/* Fix menu to contain the real app name instead of "SDL App" */
+- (void) fixMenu:(NSMenu *)aMenu
+{
+    NSRange aRange;
+    NSEnumerator *enumerator;
+    NSMenuItem *menuItem;
+
+    aRange = [[aMenu title] rangeOfString:@"SDL App"];
+    if (aRange.length != 0)
+        [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:gAppName]];
+
+    enumerator = [[aMenu itemArray] objectEnumerator];
+    while ((menuItem = [enumerator nextObject]))
+    {
+        aRange = [[menuItem title] rangeOfString:@"SDL App"];
+        if (aRange.length != 0)
+            [menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:gAppName]];
+        if ([menuItem hasSubmenu])
+            [self fixMenu: [menuItem submenu]];
+    }
+    [ aMenu sizeToFit ];
+}
+
+/* Called when the internal event loop has just started running */
+- (void) applicationDidFinishLaunching: (NSNotification *) note
+{
+    int status;
+
+    /* Set the working directory to the .app's parent directory */
+    [ self setupWorkingDirectory: gFinderLaunch ];
+
+    /* Set the main menu to contain the real app name instead of "SDL App" */
+    gAppName = [ [ NSBundle mainBundle ] bundleIdentifier ];
+    [ self fixMenu: [ NSApp mainMenu ] ];
+
+    /* Hand off to main application code */
+    status = SDL_main (gArgc, gArgv);
+
+    /* We're done, thank you for playing */
+    exit(status);
+}
+@end
+
+
+@implementation NSString (ReplaceSubString)
+
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
+{
+    unsigned int bufferSize;
+    unsigned int selfLen = [self length];
+    unsigned int aStringLen = [aString length];
+    unichar *buffer;
+    NSRange localRange;
+    NSString *result;
+
+    bufferSize = selfLen + aStringLen - aRange.length;
+    buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
+    
+    // Get first part into buffer
+    localRange.location = 0;
+    localRange.length = aRange.location;
+    [self getCharacters:buffer range:localRange];
+    
+    // Get middle part into buffer
+    localRange.location = 0;
+    localRange.length = aStringLen;
+    [aString getCharacters:(buffer+aRange.location) range:localRange];
+     
+    // Get last part into buffer
+    localRange.location = aRange.location + aRange.length;
+    localRange.length = selfLen - localRange.location;
+    [self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
+    
+    // Build output string
+    result = [NSString stringWithCharacters:buffer length:bufferSize];
+    
+    NSDeallocateMemoryPages(buffer, bufferSize);
+    
+    return result;
+}
+
+@end
+
+
+#ifdef main
+#  undef main
+#endif
+
+/* Main entry point to executible - should *not* be SDL_main! */
+int main (int argc, char **argv) {
+
+    /* Copy the arguments into a global variable */
+    int i;
+    
+    /* This is passed if we are launched by double-clicking */
+    if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
+        gArgc = 1;
+	gFinderLaunch = YES;
+    } else {
+        gArgc = argc;
+	gFinderLaunch = NO;
+    }
+    gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
+    assert (gArgv != NULL);
+    for (i = 0; i < gArgc; i++) {
+        gArgv[i] = argv[i];
+    }
+    gArgv[i] = NULL;
+
+    NSApplicationMain (argc, argv);
+    return 0;
+}