project init

main.ts

@@ -0,0 +1,37 @@
+import {
+  Application,
+  ApplicationFlags,
+  ApplicationWindow,
+  Box,
+  Button,
+  Label,
+  Orientation,
+} from "@sigmasd/gtk/gtk4";
+
+const app = new Application("com.example.HelloWorld", ApplicationFlags.NONE);
+
+app.onActivate(() => {
+  const win = new ApplicationWindow(app);
+  win.setTitle("Hello World");
+  win.setDefaultSize(400, 300);
+
+  const box = new Box(Orientation.VERTICAL, 12);
+  box.setMarginTop(24);
+  box.setMarginBottom(24);
+  box.setMarginStart(24);
+  box.setMarginEnd(24);
+
+  const label = new Label("Hello, GTK! 👋");
+  box.append(label);
+
+  const button = new Button("Click Me!");
+  button.onClick(() => {
+    label.setText("Button clicked! 🎉");
+  });
+  box.append(button);
+
+  win.setChild(box);
+  win.present();
+});
+
+app.run([]);