# nim c button.nim import gintro/[gtk, glib] import gintro/gio except Application, newApplication proc buttonClicked (button: Button) = button.label = utf8Strreverse(button.label, -1) proc activate (app: Application) = let window = newApplicationWindow(app) window.title = "GNOME Button" window.defaultSize = (250, 50) let button = newButton("Click Me") window.add(button) button.connect("clicked", buttonClicked) window.showAll proc main = let app = newApplication("org.gtk.example") connect(app, "activate", activate) discard app.run main()