package main //go:generate nswrap import ( "fmt" "git.wow.st/gmp/nswrap/examples/app/ns" "runtime" ) //Shortcut for literal NSStrings var nst = ns.NSStringWithGoString func pb1() { fmt.Println("Pushed button 1") } func pb2() { fmt.Println("Pushed button 2") a.Terminate(a) } func didFinishLaunching(n *ns.NSNotification) { fmt.Println("Go: did finish launching") fmt.Printf("Notification n = %p\n",n) fmt.Printf("Notification n.Ptr() = %p\n",n.Ptr()) fmt.Printf("Notification n.Name() = %p\n",n.Name()) fmt.Printf("Notification n.Name().Ptr() = %p\n",n.Name().Ptr()) fmt.Printf("Notification: %s\n", n.Name().UTF8String()) //Set up an NSWindow win = ns.NSWindowAlloc().InitWithContentRectStyleMask( ns.NSMakeRect(200, 200, 600, 600), ns.NSWindowStyleMaskTitled|ns.NSWindowStyleMaskClosable| ns.NSWindowStyleMaskResizable, ns.NSBackingStoreBuffered, 0, ) // retain win since we called Alloc and did not add it to a collection win.Retain() win.SetTitle(nst("Hi World")) win.MakeKeyAndOrderFront(win) win.SetAlphaValue(0.85) //Build a basic menu m1 := ns.NSMenuAlloc().InitWithTitle(nst("Main")) appItem := ns.NSMenuItemAlloc() fileItem := ns.NSMenuItemAlloc() m1.AddItem(appItem) m1.AddItem(fileItem) appMenu := ns.NSMenuAlloc().InitWithTitle(nst("App")) fileMenu := ns.NSMenuAlloc().InitWithTitle(nst("File")) m1.SetSubmenu(appMenu, appItem) m1.SetSubmenu(fileMenu, fileItem) appMenu.AddItemWithTitle(nst("About"), nil, nst("")) appMenu.AddItemWithTitle(nst("Preferences"), nil, nst("")) appMenu.AddItemWithTitle(nst("Quit"), ns.Selector("terminate:"), nst("q")) a.SetMainMenu(m1) fileMenu.AddItemWithTitle(nst("Open"), nil, nst("")) fileMenu.AddItemWithTitle(nst("New"), nil, nst("")) a.SetMainMenu(m1) //add some custom buttons b1 := ns.GButtonAlloc() b2 := ns.GButtonAlloc() b1.Init() b1.PressedCallback(pb1) b1.SetAction(ns.Selector("pressed")) b1.SetTarget(b1) b1.SetTitle(nst("PUSH")) b2.Init() b2.PressedCallback(pb2) b2.SetTarget(b2) b2.SetAction(ns.Selector("pressed")) b2.SetTitle(nst("QUIT")) //add some layout constraints b1.SetTranslatesAutoresizingMaskIntoConstraints(0) b2.SetTranslatesAutoresizingMaskIntoConstraints(0) cv := win.ContentView() cv.AddSubview(&b1.NSView) cv.AddSubview(&b2.NSView) viewmap := ns.NSDictionaryWithObjectsForKeys( ns.NSArrayWithObjects(b1, b2), ns.NSArrayWithObjects(nst("b1"), nst("b2"))) cv.AddConstraints(ns.NSLayoutConstraintsWithVisualFormat( nst("V:|-[b1]"), 0, nil, viewmap)) cv.AddConstraints(ns.NSLayoutConstraintsWithVisualFormat( nst("H:|-[b1]"), 0, nil, viewmap)) cv.AddConstraints(ns.NSLayoutConstraintsWithVisualFormat( nst("H:[b1]-[b2]"), ns.NSLayoutFormatAlignAllBaseline, nil, viewmap)) a.ActivateIgnoringOtherApps(1) } func shouldTerminateAfterLastWindowClosed(s *ns.NSApplication) ns.BOOL { return 1 } func willTerminate(n *ns.NSNotification) { fmt.Println("Go: will terminate") } func didBecomeActive(n *ns.NSNotification) { fmt.Println("Go: did become active") fmt.Printf("Notification: %s\n", n.Name().UTF8String()) } var ( a *ns.NSApplication win *ns.NSWindow ) func app() { //Lock OS thread because Cocoa uses thread-local storage runtime.LockOSThread() a = ns.NSApplicationSharedApplication() a.SetActivationPolicy(ns.NSApplicationActivationPolicyRegular) //Set up an AppDelegate del := ns.AppDelegateAlloc() del.ApplicationDidFinishLaunchingCallback(didFinishLaunching) del.ApplicationShouldTerminateAfterLastWindowClosedCallback(shouldTerminateAfterLastWindowClosed) del.ApplicationWillTerminateCallback(willTerminate) del.ApplicationDidBecomeActiveCallback(didBecomeActive) a.SetDelegate(del) //Run the app a.Run() } func main() { //Run our app in an autorelease pool just for fun go ns.Autoreleasepool(app) select {} }