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Created September 28, 2013 10:01
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Minimal Golang + Cocoa application using CGO. Build with `CC=clang go build`
package main
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework Cocoa
#import <Cocoa/Cocoa.h>
StartApp(void) {
[NSAutoreleasePool new];
[NSApplication sharedApplication];
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
id menubar = [[NSMenu new] autorelease];
id appMenuItem = [[NSMenuItem new] autorelease];
[menubar addItem:appMenuItem];
[NSApp setMainMenu:menubar];
id appMenu = [[NSMenu new] autorelease];
id appName = [[NSProcessInfo processInfo] processName];
id quitTitle = [@"Quit " stringByAppendingString:appName];
id quitMenuItem = [[[NSMenuItem alloc] initWithTitle:quitTitle
action:@selector(terminate:) keyEquivalent:@"q"]
[appMenu addItem:quitMenuItem];
[appMenuItem setSubmenu:appMenu];
id window = [[[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 200, 200)
styleMask:NSTitledWindowMask backing:NSBackingStoreBuffered defer:NO]
[window cascadeTopLeftFromPoint:NSMakePoint(20,20)];
[window setTitle:appName];
[window makeKeyAndOrderFront:nil];
[NSApp activateIgnoringOtherApps:YES];
[NSApp run];
return 0;
import "C"
func main() {
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