Une boîte de dialogue de message modal qui peut faire exploser le monde.
//A window in the application
public class Window : Gtk.ApplicationWindow {
public Window (Application app) {
Object (application: app, title: "Gtk.MessageDialog Example");
var label = new Gtk.Label ("This application goes boom!");
this.add (label);
var message_action = new SimpleAction ("message", null);
message_action.activate.connect (message);
this.add_action (message_action);
this.set_default_size (400, 200);
this.show_all ();
}
void dialog_response (Gtk.Dialog dialog, int response_id) {
switch (response_id) {
case Gtk.ResponseType.OK:
print ("*boom*\n");
break;
case Gtk.ResponseType.CANCEL:
print ("good choice\n");
break;
case Gtk.ResponseType.DELETE_EVENT:
print ("dialog closed or cancelled\n");
break;
}
dialog.destroy();
}
void message (SimpleAction simple, Variant? parameter) {
var messagedialog = new Gtk.MessageDialog (this,
Gtk.DialogFlags.MODAL,
Gtk.MessageType.WARNING,
Gtk.ButtonsType.OK_CANCEL,
"This action will cause the universe to stop existing.");
messagedialog.response.connect (dialog_response);
messagedialog.show ();
}
}
//This is the Application
public class Application : Gtk.Application {
protected override void activate () {
new Window (this);
}
protected override void startup () {
base.startup ();
var menu = new Menu ();
menu.append ("Message", "win.message");
menu.append ("Quit", "app.quit");
this.app_menu = menu;
var quit_action = new SimpleAction ("quit", null);
//quit_action.activate.connect (this.quit);
this.add_action (quit_action);
}
public Application () {
Object (application_id: "org.example.application");
}
}
//main function creates Application and runs it
int main (string[] args) {
return new Application ().run (args);
}
Dans cet exemple, les éléments suivants sont utilisés :
Gtk.ResponseType
Gtk.MessageDialog
Gtk.DialogFlags
Gtk.MessageType
Gtk.ButtonsType