279 lines
7.5 KiB
Mathematica
279 lines
7.5 KiB
Mathematica
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/* SDLMain.m - main entry point for our Cocoa-ized SDL app
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Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
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Non-NIB-Code & other changes: Max Horn <max@quendi.de>
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Feel free to customize this file to suit your needs
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*/
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#import "SDL.h"
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#import "SDLMain.h"
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#import <sys/param.h> /* for MAXPATHLEN */
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#import <unistd.h>
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/* Use this flag to determine whether we use SDLMain.nib or not */
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#define SDL_USE_NIB_FILE 0
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static int gArgc;
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static char **gArgv;
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static BOOL gFinderLaunch;
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#if SDL_USE_NIB_FILE
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/* A helper category for NSString */
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@interface NSString (ReplaceSubString)
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- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
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@end
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#else
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/* An internal Apple class used to setup Apple menus */
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@interface NSAppleMenuController:NSObject {}
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- (void)controlMenu:(NSMenu *)aMenu;
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@end
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#endif
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@interface SDLApplication : NSApplication
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@end
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@implementation SDLApplication
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/* Invoked from the Quit menu item */
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- (void)terminate:(id)sender
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{
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/* Post a SDL_QUIT event */
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SDL_Event event;
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event.type = SDL_QUIT;
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SDL_PushEvent(&event);
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}
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@end
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/* The main class of the application, the application's delegate */
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@implementation SDLMain
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/* Set the working directory to the .app's parent directory */
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- (void) setupWorkingDirectory:(BOOL)shouldChdir
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{
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char parentdir[MAXPATHLEN];
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char *c;
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strncpy ( parentdir, gArgv[0], sizeof(parentdir) );
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c = (char*) parentdir;
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while (*c != '\0') /* go to end */
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c++;
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while (*c != '/') /* back up to parent */
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c--;
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*c++ = '\0'; /* cut off last part (binary name) */
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if (shouldChdir)
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{
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assert ( chdir (parentdir) == 0 ); /* chdir to the binary app's parent */
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assert ( chdir ("../../../") == 0 ); /* chdir to the .app's parent */
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}
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}
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#if SDL_USE_NIB_FILE
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/* Fix menu to contain the real app name instead of "SDL App" */
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- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
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{
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NSRange aRange;
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NSEnumerator *enumerator;
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NSMenuItem *menuItem;
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aRange = [[aMenu title] rangeOfString:@"SDL App"];
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if (aRange.length != 0)
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[aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
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enumerator = [[aMenu itemArray] objectEnumerator];
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while ((menuItem = [enumerator nextObject]))
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{
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aRange = [[menuItem title] rangeOfString:@"SDL App"];
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if (aRange.length != 0)
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[menuItem setTitle: [[menuItem title] stringByReplacingRange:aRange with:appName]];
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if ([menuItem hasSubmenu])
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[self fixMenu:[menuItem submenu] withAppName:appName];
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}
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[ aMenu sizeToFit ];
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}
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#else
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void setupAppleMenu(void)
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{
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/* warning: this code is very odd */
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NSAppleMenuController *appleMenuController;
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NSMenu *appleMenu;
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NSMenuItem *appleMenuItem;
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appleMenuController = [[NSAppleMenuController alloc] init];
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appleMenu = [[NSMenu alloc] initWithTitle:@""];
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appleMenuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
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[appleMenuItem setSubmenu:appleMenu];
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/* yes, we do need to add it and then remove it --
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if you don't add it, it doesn't get displayed
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if you don't remove it, you have an extra, titleless item in the menubar
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when you remove it, it appears to stick around
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very, very odd */
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[[NSApp mainMenu] addItem:appleMenuItem];
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[appleMenuController controlMenu:appleMenu];
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[[NSApp mainMenu] removeItem:appleMenuItem];
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[appleMenu release];
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[appleMenuItem release];
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}
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/* Create a window menu */
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void setupWindowMenu(void)
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{
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NSMenu *windowMenu;
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NSMenuItem *windowMenuItem;
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NSMenuItem *menuItem;
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windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
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/* "Minimize" item */
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menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
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[windowMenu addItem:menuItem];
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[menuItem release];
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/* Put menu into the menubar */
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windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
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[windowMenuItem setSubmenu:windowMenu];
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[[NSApp mainMenu] addItem:windowMenuItem];
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/* Tell the application object that this is now the window menu */
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[NSApp setWindowsMenu:windowMenu];
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/* Finally give up our references to the objects */
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[windowMenu release];
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[windowMenuItem release];
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}
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/* Replacement for NSApplicationMain */
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void CustomApplicationMain (argc, argv)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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SDLMain *sdlMain;
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/* Ensure the application object is initialised */
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[SDLApplication sharedApplication];
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/* Set up the menubar */
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[NSApp setMainMenu:[[NSMenu alloc] init]];
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setupAppleMenu();
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setupWindowMenu();
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/* Create SDLMain and make it the app delegate */
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sdlMain = [[SDLMain alloc] init];
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[NSApp setDelegate:sdlMain];
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/* Start the main event loop */
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[NSApp run];
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[sdlMain release];
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[pool release];
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}
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#endif
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/* Called when the internal event loop has just started running */
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- (void) applicationDidFinishLaunching: (NSNotification *) note
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{
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int status;
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/* Set the working directory to the .app's parent directory */
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[self setupWorkingDirectory:gFinderLaunch];
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#if SDL_USE_NIB_FILE
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/* Set the main menu to contain the real app name instead of "SDL App" */
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[self fixMenu:[NSApp mainMenu] withAppName:[[NSProcessInfo processInfo] processName]];
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#endif
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/* Hand off to main application code */
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status = SDL_main (gArgc, gArgv);
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/* We're done, thank you for playing */
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exit(status);
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}
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@end
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@implementation NSString (ReplaceSubString)
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- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString
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{
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unsigned int bufferSize;
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unsigned int selfLen = [self length];
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unsigned int aStringLen = [aString length];
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unichar *buffer;
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NSRange localRange;
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NSString *result;
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bufferSize = selfLen + aStringLen - aRange.length;
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buffer = NSAllocateMemoryPages(bufferSize*sizeof(unichar));
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/* Get first part into buffer */
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localRange.location = 0;
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localRange.length = aRange.location;
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[self getCharacters:buffer range:localRange];
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/* Get middle part into buffer */
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localRange.location = 0;
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localRange.length = aStringLen;
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[aString getCharacters:(buffer+aRange.location) range:localRange];
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/* Get last part into buffer */
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localRange.location = aRange.location + aRange.length;
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localRange.length = selfLen - localRange.location;
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[self getCharacters:(buffer+aRange.location+aStringLen) range:localRange];
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/* Build output string */
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result = [NSString stringWithCharacters:buffer length:bufferSize];
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NSDeallocateMemoryPages(buffer, bufferSize);
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return result;
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}
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@end
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#ifdef main
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# undef main
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#endif
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/* Main entry point to executable - should *not* be SDL_main! */
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int main (int argc, char **argv)
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{
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/* Copy the arguments into a global variable */
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int i;
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/* This is passed if we are launched by double-clicking */
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if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
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gArgc = 1;
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gFinderLaunch = YES;
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} else {
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gArgc = argc;
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gFinderLaunch = NO;
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}
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gArgv = (char**) malloc (sizeof(*gArgv) * (gArgc+1));
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assert (gArgv != NULL);
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for (i = 0; i < gArgc; i++)
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gArgv[i] = argv[i];
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gArgv[i] = NULL;
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#if SDL_USE_NIB_FILE
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[SDLApplication poseAsClass:[NSApplication class]];
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NSApplicationMain (argc, argv);
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#else
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CustomApplicationMain (argc, argv);
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#endif
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return 0;
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}
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