Simple windowed application: Difference between revisions

===Gtk2===

===Gtk3===

<syntaxhighlight lang="ruby">use('Gtk3 -init')

# Window.

var window = %O'Gtk3::Window'.new

window.signal_connect('destroy' => { %O'Gtk3'.main_quit })

# VBox.

var vbox = %O'Gtk3::VBox'.new(0, 0)

window.add(vbox)

# Label.

var label = %O'Gtk3::Label'.new('There have been no clicks yet.')

vbox.add(label)

# Button.

var count = 0

var button = %O'Gtk3::Button'.new(' Click Me ');

vbox.add(button)

button.signal_connect('clicked' => {

label.set_text(++count)

})

# Show.

window.show_all

# Main loop.

%O'Gtk3'.main</syntaxhighlight>