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#!/usr/bin/gjs
imports.gi.versions.Gtk = '3.0';
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
class Application {
//create the application
constructor() {
this.application = new Gtk.Application({
application_id: 'org.example.myapp',
flags: Gio.ApplicationFlags.FLAGS_NONE
});
//connect to 'activate' and 'startup' signals to the callback functions
this.application.connect('activate', this._onActivate.bind(this));
this.application.connect('startup', this._onStartup.bind(this));
}
//create the UI (in this case it's just the ApplicationWindow)
_buildUI() {
this._window = new Gtk.ApplicationWindow({ application: this.application,
window_position: Gtk.WindowPosition.CENTER,
title: "MenuButton Example" });
this._window.set_default_size(600, 400);
this.grid = new Gtk.Grid();
this._window.add(this.grid);
this._menuButton = new Gtk.MenuButton();
this.grid.attach(this._menuButton, 0, 0, 1, 1 );
this.menu = Gtk.Menu.new_from_model(this.menuModel);
this.menu.show();
this._menuButton.set_menu_model (this.menuModel);
this._menuButton.set_size_request(80, 35);
this._menuButton.show();
this._window.show_all();
}
_showNew() {
print("You clicked \"New\"");
}
_showAbout() {
print("You clicked \"About\"");
}
//create the menu items and connect the signals to the callback functions.
_initMenus() {
let newAction = new Gio.SimpleAction({ name: 'new' });
newAction.connect('activate', () => { this._showNew(); });
this.application.add_action(newAction);
let aboutAction = new Gio.SimpleAction({ name: 'about' });
aboutAction.connect('activate', () => { this._showAbout(); });
this.application.add_action(aboutAction);
let quitAction = new Gio.SimpleAction({ name: 'quit' });
quitAction.connect('activate', () => { this._window.destroy(); });
this.application.add_action(quitAction);
this.menuModel = new Gio.Menu();
this.menuItemNew = Gio.MenuItem.new("New", 'app.new');
this.menuItemAbout = Gio.MenuItem.new("About", 'app.about');
this.fileMenuItem = Gio.MenuItem.new("Other", null);
this.menuModel.append_item(this.menuItemNew);
this.menuModel.append_item(this.menuItemAbout);
//submenu
this.subMenu = new Gio.Menu();
this.fileMenuItem.set_submenu(this.subMenu);
this.menuItemQuit = Gio.MenuItem.new("Quit", 'app.quit');
this.subMenu.append_item(this.menuItemQuit);
this.menuModel.append_item(this.fileMenuItem);
}
//callback function for 'activate' signal
_onActivate() {
this._window.present();
}
//callback function for 'startup' signal
_onStartup() {
//You must call _initMenus() before calling _buildUI().
this._initMenus();
this._buildUI();
}
};
//run the application
let app = new Application();
app.application.run(ARGV);
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