pyobjc_cocoa_macos_native_window_hello_world_label.py

1import Cocoa
2from PyObjCTools import AppHelper
3
4class AppDelegate(Cocoa.NSObject):
5    def applicationDidFinishLaunching_(self, notification):
6        # Create a window
7        self.window = Cocoa.NSWindow.alloc().initWithContentRect_styleMask_backing_defer_(
8            Cocoa.NSMakeRect(0, 0, 480, 270),
9            Cocoa.NSTitledWindowMask | Cocoa.NSClosableWindowMask | Cocoa.NSResizableWindowMask,
10            Cocoa.NSBackingStoreBuffered,
11            False
12        )
13        self.window.center()
14        self.window.setTitle_("PyObjC Cocoa Quickstart")
15
16        # Create a label (NSTextField)
17        label = Cocoa.NSTextField.labelWithString_("Hello World from PyObjC!")
18        label.setFrameOrigin_(Cocoa.NSPoint(160, 120))
19        
20        # Add label to the window and show it
21        self.window.contentView().addSubview_(label)
22        self.window.makeKeyAndOrderFront_(None)
23        
24        print("Application Launched!")
25
26if __name__ == "__main__":
27    app = Cocoa.NSApplication.sharedApplication()
28    delegate = AppDelegate.alloc().init()
29    app.setDelegate_(delegate)
30    
31    AppHelper.runEventLoop()