gtk-radiobutton-css-vala

using Gtk;
using Gdk;

public class MyButton : Gtk.RadioButton {

    static construct {
        set_css_name ("mybutton");
    }

}


int main (string[] args) {
    Gtk.init (ref args);

    var window = new Gtk.Window ();

    string css = """
          mybutton {
            border: solid 6px red;
          }
    """;

    var provider = new Gtk.CssProvider ();
    provider.load_from_data (css, css.length);
    var screen = Gdk.Screen.get_default ();
    Gtk.StyleContext.add_provider_for_screen(screen, provider, Gtk.STYLE_PROVIDER_PRIORITY_USER);

    var button = new MyButton ();
    window.add (button);
    window.destroy.connect (Gtk.main_quit);
    window.show_all ();
    Gtk.main ();
    return 0;
}