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//!/usr/bin/gjs
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const FontChooserWidgetExample = new Lang.Class ({
Name: 'Font Chooser Widget Example',
// Create the application itthis
_init: function () {
this.application = new Gtk.Application({ application_id: 'org.example.fontchooserwidget' });
// Connect 'activate' and 'startup' signals to the callback functions
this.application.connect('activate', Lang.bind(this, this._onActivate));
this.application.connect('startup', Lang.bind(this, this._onStartup));
},
// Callback function for 'activate' signal presents windows when active
_onActivate: function() {
this.window.present();
},
// Callback function for 'startup' signal builds the UI
_onStartup: function() {
this._buildUI ();
},
// Build the application's UI
_buildUI: function() {
// Create the application window
this.window = new Gtk.ApplicationWindow ({ application: this.application,
window_position: Gtk.WindowPosition.CENTER,
title: "FontChooserWidget",
default_width: 200,
default_height: 200,
border_width: 10 });
this.fontChooser = new Gtk.FontChooserWidget();
// a default font
this.fontChooser.set_font("Sans");
// a text to preview the font
this.fontChooser.set_preview_text("This is an example of preview text!");
// connect signal from the font chooser to the callback function
this.fontChooser.connect("notify::font", Lang.bind(this, this._fontCb));
// add the font chooser to the window
this.window.add(this.fontChooser);
this.window.show_all();
},
// callback function:
_fontCb: function() {
// print in the terminal
print("You chose the font " + this.fontChooser.get_font());
}
});
// Run the application
let app = new FontChooserWidgetExample();
app.application.run (ARGV);
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