define app delegate

ui/AppDelegate.h

@@ -0,0 +1,5 @@
+#import <AppKit/AppKit.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+
+@end

ui/AppDelegate.m

@@ -0,0 +1,30 @@
+#import "AppDelegate.h"
+
+@implementation AppDelegate
+
+- (void) applicationWillFinishLaunching:(NSNotification *)notification {
+	NSLog(@"applicationWillFinishLaunching");
+}
+
+- (void) applicationDidFinishLaunching:(NSNotification *)notification {
+	NSLog(@"applicationDidFinishLaunching");
+}
+
+// Application Termination -----------------------------------------------------
+
+- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender {
+	NSLog(@"applicationShouldTerminate");
+	return NSTerminateNow;
+}
+
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {
+	NSLog(@"applicationShouldTerminateAfterLastWindowClosed");
+	return YES;
+}
+
+- (void)applicationWillTerminate:(NSNotification *)notification {
+	NSLog(@"applicationWillTerminate");
+}
+
+@end
+

ui/ui_darwin.m

@@ -1,9 +1,11 @@
 #include <Cocoa/Cocoa.h>
+#include "AppDelegate.h"
 
 void
 Initialize(void) {
     [NSAutoreleasePool new];
     [NSApplication sharedApplication];
+	[NSApp setDelegate: [AppDelegate new]];
     [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
 }