Ivan Vučica avatar Ivan Vučica committed 06833ef

Very basic implementation of ZBApplication and ZBWindow.

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Files changed (15)

+syntax: glob
+*.o
+TestApp
+libZBKit.a
+
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+  library `Frob' (a library for tweaking knobs) written by James
+Random Hacker.
+
+  <signature of Ty Coon>, 1 April 1990
+  Ty Coon, President of Vice
+
+That's all there is to it!
+
+
+ZBKITOBJECTS=ZBApplication.o ZBWindow.o SDLMain.o
+TESTAPPOBJECTS=TestAppDelegate.o main.o
+
+CFLAGS=-arch i386
+CXXFLAGS=-arch i386
+OBJCFLAGS=-arch i386
+
+all: TestApp
+clean: clean-TestApp clean-ZBKit
+
+ZBKit: libZBKit.a
+clean-ZBKit:
+	rm -f $(ZBKITOBJECTS) libZBKit.a
+libZBKit.a: $(ZBKITOBJECTS)
+	ar cru libZBKit.a *.o
+	ranlib libZBKit.a
+
+TestApp: $(TESTAPPOBJECTS) ZBKit
+	g++ -arch i386 $(TESTAPPOBJECTS) -L. -framework Foundation -framework SDL -framework AppKit -lZBKit -o TestApp 
+clean-TestApp:
+	rm -f $(TESTAPPOBJECTS) TestApp
+ZBKit
+===
+A portable implementation of a UIKit-like API
+
+(c) 2011 Ivan Vučica
+
+For licensing information, see <COPYING> file.
+#import <SDL/SDL.h>
+/*   SDLMain.m - main entry point for our Cocoa-ized SDL app
+       Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
+       Non-NIB-Code & other changes: Max Horn <max@quendi.de>
+
+    Feel free to customize this file to suit your needs
+*/
+
+#import <Cocoa/Cocoa.h>
+
+@interface SDLMain : NSObject
+@end
+/*   SDLMain.m - main entry point for our Cocoa-ized SDL app
+       Initial Version: Darrell Walisser <dwaliss1@purdue.edu>
+       Non-NIB-Code & other changes: Max Horn <max@quendi.de>
+
+    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>
+
+/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
+ but the method still is there and works. To avoid warnings, we declare
+ it ourselves here. */
+@interface NSApplication(SDL_Missing_Methods)
+- (void)setAppleMenu:(NSMenu *)menu;
+@end
+
+/* Use this flag to determine whether we use SDLMain.nib or not */
+#define		SDL_USE_NIB_FILE	0
+
+/* Use this flag to determine whether we use CPS (docking) or not */
+#define		SDL_USE_CPS		1
+#ifdef SDL_USE_CPS
+/* Portions of CPS.h */
+typedef struct CPSProcessSerNum
+{
+	UInt32		lo;
+	UInt32		hi;
+} CPSProcessSerNum;
+
+extern OSErr	CPSGetCurrentProcess( CPSProcessSerNum *psn);
+extern OSErr 	CPSEnableForegroundOperation( CPSProcessSerNum *psn, UInt32 _arg2, UInt32 _arg3, UInt32 _arg4, UInt32 _arg5);
+extern OSErr	CPSSetFrontProcess( CPSProcessSerNum *psn);
+
+#endif /* SDL_USE_CPS */
+
+static int    gArgc;
+static char  **gArgv;
+static BOOL   gFinderLaunch;
+static BOOL   gCalledAppMainline = FALSE;
+
+static NSString *getApplicationName(void)
+{
+    NSDictionary *dict;
+    NSString *appName = 0;
+
+    /* Determine the application name */
+    dict = (NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
+    if (dict)
+        appName = [dict objectForKey: @"CFBundleName"];
+    
+    if (![appName length])
+        appName = [[NSProcessInfo processInfo] processName];
+
+    return appName;
+}
+
+#if SDL_USE_NIB_FILE
+/* A helper category for NSString */
+@interface NSString (ReplaceSubString)
+- (NSString *)stringByReplacingRange:(NSRange)aRange with:(NSString *)aString;
+@end
+#endif
+
+@interface SDLApplication : NSApplication
+@end
+
+@implementation SDLApplication
+/* Invoked from the Quit menu item */
+- (void)terminate:(id)sender
+{
+    /* Post a SDL_QUIT event */
+    SDL_Event event;
+    event.type = SDL_QUIT;
+    SDL_PushEvent(&event);
+}
+@end
+
+/* The main class of the application, the application's delegate */
+@implementation SDLMain
+
+/* Set the working directory to the .app's parent directory */
+- (void) setupWorkingDirectory:(BOOL)shouldChdir
+{
+    if (shouldChdir)
+    {
+        char parentdir[MAXPATHLEN];
+		CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle());
+		CFURLRef url2 = CFURLCreateCopyDeletingLastPathComponent(0, url);
+		if (CFURLGetFileSystemRepresentation(url2, true, (UInt8 *)parentdir, MAXPATHLEN)) {
+	        assert ( chdir (parentdir) == 0 );   /* chdir to the binary app's parent */
+		}
+		CFRelease(url);
+		CFRelease(url2);
+	}
+
+}
+
+#if SDL_USE_NIB_FILE
+
+/* Fix menu to contain the real app name instead of "SDL App" */
+- (void)fixMenu:(NSMenu *)aMenu withAppName:(NSString *)appName
+{
+    NSRange aRange;
+    NSEnumerator *enumerator;
+    NSMenuItem *menuItem;
+
+    aRange = [[aMenu title] rangeOfString:@"SDL App"];
+    if (aRange.length != 0)
+        [aMenu setTitle: [[aMenu title] stringByReplacingRange:aRange with:appName]];
+
+    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:appName]];
+        if ([menuItem hasSubmenu])
+            [self fixMenu:[menuItem submenu] withAppName:appName];
+    }
+    [ aMenu sizeToFit ];
+}
+
+#else
+
+static void setApplicationMenu(void)
+{
+    /* warning: this code is very odd */
+    NSMenu *appleMenu;
+    NSMenuItem *menuItem;
+    NSString *title;
+    NSString *appName;
+    
+    appName = getApplicationName();
+    appleMenu = [[NSMenu alloc] initWithTitle:@""];
+    
+    /* Add menu items */
+    title = [@"About " stringByAppendingString:appName];
+    [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];
+
+    [appleMenu addItem:[NSMenuItem separatorItem]];
+
+    title = [@"Hide " stringByAppendingString:appName];
+    [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];
+
+    menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
+    [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
+
+    [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];
+
+    [appleMenu addItem:[NSMenuItem separatorItem]];
+
+    title = [@"Quit " stringByAppendingString:appName];
+    [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];
+
+    
+    /* Put menu into the menubar */
+    menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
+    [menuItem setSubmenu:appleMenu];
+    [[NSApp mainMenu] addItem:menuItem];
+
+    /* Tell the application object that this is now the application menu */
+    [NSApp setAppleMenu:appleMenu];
+
+    /* Finally give up our references to the objects */
+    [appleMenu release];
+    [menuItem release];
+}
+
+/* Create a window menu */
+static void setupWindowMenu(void)
+{
+    NSMenu      *windowMenu;
+    NSMenuItem  *windowMenuItem;
+    NSMenuItem  *menuItem;
+
+    windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
+    
+    /* "Minimize" item */
+    menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
+    [windowMenu addItem:menuItem];
+    [menuItem release];
+    
+    /* Put menu into the menubar */
+    windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
+    [windowMenuItem setSubmenu:windowMenu];
+    [[NSApp mainMenu] addItem:windowMenuItem];
+    
+    /* Tell the application object that this is now the window menu */
+    [NSApp setWindowsMenu:windowMenu];
+
+    /* Finally give up our references to the objects */
+    [windowMenu release];
+    [windowMenuItem release];
+}
+
+/* Replacement for NSApplicationMain */
+static void CustomApplicationMain (int argc, char **argv)
+{
+    NSAutoreleasePool	*pool = [[NSAutoreleasePool alloc] init];
+    SDLMain				*sdlMain;
+
+    /* Ensure the application object is initialised */
+    [SDLApplication sharedApplication];
+    
+#ifdef SDL_USE_CPS
+    {
+        CPSProcessSerNum PSN;
+        /* Tell the dock about us */
+        if (!CPSGetCurrentProcess(&PSN))
+            if (!CPSEnableForegroundOperation(&PSN,0x03,0x3C,0x2C,0x1103))
+                if (!CPSSetFrontProcess(&PSN))
+                    [SDLApplication sharedApplication];
+    }
+#endif /* SDL_USE_CPS */
+
+    /* Set up the menubar */
+    [NSApp setMainMenu:[[NSMenu alloc] init]];
+    setApplicationMenu();
+    setupWindowMenu();
+
+    /* Create SDLMain and make it the app delegate */
+    sdlMain = [[SDLMain alloc] init];
+    [NSApp setDelegate:sdlMain];
+    
+    /* Start the main event loop */
+    [NSApp run];
+    
+    [sdlMain release];
+    [pool release];
+}
+
+#endif
+
+
+/*
+ * Catch document open requests...this lets us notice files when the app
+ *  was launched by double-clicking a document, or when a document was
+ *  dragged/dropped on the app's icon. You need to have a
+ *  CFBundleDocumentsType section in your Info.plist to get this message,
+ *  apparently.
+ *
+ * Files are added to gArgv, so to the app, they'll look like command line
+ *  arguments. Previously, apps launched from the finder had nothing but
+ *  an argv[0].
+ *
+ * This message may be received multiple times to open several docs on launch.
+ *
+ * This message is ignored once the app's mainline has been called.
+ */
+- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
+{
+    const char *temparg;
+    size_t arglen;
+    char *arg;
+    char **newargv;
+
+    if (!gFinderLaunch)  /* MacOS is passing command line args. */
+        return FALSE;
+
+    if (gCalledAppMainline)  /* app has started, ignore this document. */
+        return FALSE;
+
+    temparg = [filename UTF8String];
+    arglen = SDL_strlen(temparg) + 1;
+    arg = (char *) SDL_malloc(arglen);
+    if (arg == NULL)
+        return FALSE;
+
+    newargv = (char **) realloc(gArgv, sizeof (char *) * (gArgc + 2));
+    if (newargv == NULL)
+    {
+        SDL_free(arg);
+        return FALSE;
+    }
+    gArgv = newargv;
+
+    SDL_strlcpy(arg, temparg, arglen);
+    gArgv[gArgc++] = arg;
+    gArgv[gArgc] = NULL;
+    return TRUE;
+}
+
+
+/* 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];
+
+#if SDL_USE_NIB_FILE
+    /* Set the main menu to contain the real app name instead of "SDL App" */
+    [self fixMenu:[NSApp mainMenu] withAppName:getApplicationName()];
+#endif
+
+    /* Hand off to main application code */
+    gCalledAppMainline = TRUE;
+    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 executable - should *not* be SDL_main! */
+int main (int argc, char **argv)
+{
+    /* Copy the arguments into a global variable */
+    /* This is passed if we are launched by double-clicking */
+    if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
+        gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
+        gArgv[0] = argv[0];
+        gArgv[1] = NULL;
+        gArgc = 1;
+        gFinderLaunch = YES;
+    } else {
+        int i;
+        gArgc = argc;
+        gArgv = (char **) SDL_malloc(sizeof (char *) * (argc+1));
+        for (i = 0; i <= argc; i++)
+            gArgv[i] = argv[i];
+        gFinderLaunch = NO;
+    }
+
+#if SDL_USE_NIB_FILE
+    [SDLApplication poseAsClass:[NSApplication class]];
+    NSApplicationMain (argc, argv);
+#else
+    CustomApplicationMain (argc, argv);
+#endif
+    return 0;
+}

TestAppDelegate.h

+#import "UIKit.h"
+
+@interface TestAppDelegate : NSObject<UIApplicationDelegate>
+-(void)applicationDidFinishLaunching:(UIApplication*)app;
+@end

TestAppDelegate.m

+#import "TestAppDelegate.h"
+@implementation TestAppDelegate
+-(void)applicationDidFinishLaunching:(UIApplication*)app
+{
+	UIWindow * win = [[[UIWindow alloc] init] autorelease];
+
+	[win makeKeyAndVisible];
+}
+@end
+#import "ZBApplication.h"
+#import "ZBWindow.h"
+#define UIApplication ZBApplication
+#define UIApplicationDelegate ZBApplicationDelegate
+#define UIApplicationMain ZBApplicationMain
+#define UIWindow ZBWindow
+#import <Foundation/Foundation.h>
+
+@class ZBApplication, ZBWindow;
+
+@protocol ZBApplicationDelegate<NSObject>
+-(void)applicationDidFinishLaunching:(ZBApplication*)application;
+-(BOOL)application:(ZBApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions;
+@end
+
+@interface ZBApplication : NSObject
+{
+	id<ZBApplicationDelegate> _delegate;
+	ZBWindow * _keyWindow;
+}
+@property (nonatomic, assign) id<ZBApplicationDelegate> delegate;
+@property (nonatomic, retain) ZBWindow * keyWindow;
+-init;
++sharedApplication;
+@end
+
+int ZBApplicationMain(int argc, char **argv, NSString *mainClass, NSString *delegateClass);
+
+#import "ZBApplication.h"
+#import <SDL/SDL.h>
+static ZBApplication * _sharedApplication = nil;
+
+@implementation ZBApplication
+@synthesize delegate=_delegate;
+@synthesize keyWindow=_keyWindow;
++sharedApplication
+{
+	if(!_sharedApplication)
+		_sharedApplication = [[ZBApplication alloc] init];
+	return _sharedApplication;
+
+}
+-init
+{
+	self = [super init];
+	if(!self)
+		return nil;
+
+	if(SDL_Init(SDL_INIT_VIDEO))
+		@throw [NSException exceptionWithName:@"ZBApplicationInitFail" reason:@"SDLInitFail" userInfo:nil];
+
+	return self;
+}
+
+@end
+
+int ZBApplicationMain(int argc, char **argv, NSString *mainClass, NSString *delegateClass)
+{
+	if(!mainClass || [mainClass isEqualToString:@"UIApplication"])
+		mainClass = @"ZBApplication";
+
+	ZBApplication * app = _sharedApplication = [[NSClassFromString(mainClass) alloc] init];
+
+	if(delegateClass)
+		app.delegate = [[NSClassFromString(delegateClass) alloc] init];
+	
+	if([app.delegate respondsToSelector:@selector(application:didFinishLaunchingWithOptions:)])
+		[app.delegate application:_sharedApplication didFinishLaunchingWithOptions:nil];
+	else if([app.delegate respondsToSelector:@selector(applicationDidFinishLaunching:)])
+		[app.delegate applicationDidFinishLaunching:_sharedApplication];
+
+	while(1)
+	{
+		SDL_Event event;
+		while(SDL_WaitEvent(&event))
+		{
+			switch(event.type)
+			{
+				case SDL_QUIT:
+					exit(0);
+					break;
+				case SDL_KEYDOWN:
+					if(event.key.keysym.sym == SDLK_ESCAPE)
+					{
+						exit(0);
+					}
+					break;
+			}
+		}
+	}
+
+	return 0;
+}
+
+#import <Foundation/Foundation.h>
+#import <SDL/SDL.h>
+@interface ZBWindow : NSObject
+{
+	SDL_Surface * _sdlWindow;
+}
+-init;
+-(void)makeKeyAndVisible;
+
+@end
+#import "ZBWindow.h"
+#import "ZBApplication.h"
+@interface ZBApplication(ZBWindowExtensions)
+-(void)setKeyWindow:(ZBWindow*)keyWindow;
+@end
+@implementation ZBApplication(ZBWindowExtensions)
+-(void)setKeyWindow:(ZBWindow*)keyWindow;
+{
+	[keyWindow retain];
+	[_keyWindow release];
+	_keyWindow = keyWindow;
+}
+@end
+
+@implementation ZBWindow
+-init
+{
+	self = [super init];
+	if(!self)
+		return nil;	
+
+	return self;
+}
+-(void)makeKeyAndVisible
+{
+	if(!_sdlWindow)
+		_sdlWindow = SDL_SetVideoMode(0,0,32,SDL_OPENGL);
+
+	[[ZBApplication sharedApplication] setKeyWindow:self];
+}
+@end
+#import "UIKit.h"
+#import <SDL/SDL.h>
+int main(int argc, char* argv[])
+{
+	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+	
+	UIApplicationMain(argc, argv, @"UIApplication", @"TestAppDelegate");
+
+	[pool release];
+	return 0;
+}
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