/* A window in the application. */
class MyWindow : Gtk.ApplicationWindow {
/* Constructor */
internal MyWindow (MyApplication app) {
Object (application: app, title: "What is your name?");
var name_box = new Gtk.Entry ();
/* Connect to the signal handler. */
name_box.activate.connect (this.on_activate);
name_box.show ();
this.set_default_size (300, 100);
this.border_width = 10;
/* Add the name_box to this window. */
this.add (name_box);
}
/* Signal handler (aka. callback function) for the 'activate'
* signal of a Gtk.Entry.
*/
void on_activate (Gtk.Entry entry) {
name = entry.get_text ();
print ("\nHello " + name + "!\n\n");
}
}
/* This is the application. */
class MyApplication : Gtk.Application {
/* Constructor for the application. */
internal MyApplication () {
Object (application_id: "org.example.MyApplication");
}
/* Override the 'activate' signal of GLib.Application. */
protected override void activate () {
/* Create a new window for this application
* and show it. */
new MyWindow (this).show ();
}
}
/* The main function creates and runs the application. */
int main (string[] args) {
return new MyApplication ().run (args);
}