Estos RadioButton informan de su actividad en la terminal.
public class MyWindow : Gtk.ApplicationWindow {
internal MyWindow (MyApplication app) {
Object (application: app, title: "RadioButton Example");
this.border_width = 20;
this.set_default_size (250, 100);
/* We demonstrate 3 different RadioButton creation methods */
//Create a Radio Button
var button1 = new Gtk.RadioButton (null);
button1.set_label ("Button 1");
//Create a RadioButton with a label, and add it to the same group as button1.
var button2 = new Gtk.RadioButton.with_label (button1.get_group(),"Button 2");
//Create a RadioButton with a label, adding it to button1's group.
var button3 = new Gtk.RadioButton.with_label_from_widget (button1, "Button 3");
//Attach the buttons to a grid.
var grid = new Gtk.Grid ();
grid.attach (button1, 0, 0, 1, 1);
grid.attach (button2, 0, 1, 1, 1);
grid.attach (button3, 0, 2, 1, 1);
//Add the button to the window.
this.add (grid);
//Connect the signal handlers (aka. callback functions) to the buttons.
button1.toggled.connect (button_toggled_cb);
button2.toggled.connect (button_toggled_cb);
button3.toggled.connect (button_toggled_cb);
}
void button_toggled_cb (Gtk.ToggleButton button)
{
var state = "unknown";
if (button.get_active ())
state = "on";
else {
state = "off";
print ("\n");
}
print (button.get_label() + " was turned " + state + "\n");
}
}
public class MyApplication : Gtk.Application {
protected override void activate () {
//Show all of the things.
new MyWindow (this).show_all ();
}
internal MyApplication () {
Object (application_id: "org.example.MyApplication");
}
}
public int main (string[] args) {
return new MyApplication ().run (args);
}
En este ejemplo se usa lo siguiente:
Gtk.RadioButton