<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="fontchooserwidget.js" xml:lang="fr">

  <info>

    <title type="text">FontChooserWidget (JavaScript)</title>

    <link type="guide" xref="beginner.js#font-selectors"/>

    <revision version="0.2" date="2013-06-25" status="review"/>

    <credit type="author copyright">

      <name>Meg Ford</name>

      <email its:translate="no">megford@gnome.org</email>

      <years>2013</years>

    </credit>

    <desc>Un élément graphique pour choisir une police</desc>

    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">

      <mal:name>Luc Rebert,</mal:name>

      <mal:email>traduc@rebert.name</mal:email>

      <mal:years>2011</mal:years>

    </mal:credit>

    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">

      <mal:name>Alain Lojewski,</mal:name>

      <mal:email>allomervan@gmail.com</mal:email>

      <mal:years>2011-2012</mal:years>

    </mal:credit>

    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">

      <mal:name>Luc Pionchon</mal:name>

      <mal:email>pionchon.luc@gmail.com</mal:email>

      <mal:years>2011</mal:years>

    </mal:credit>

    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">

      <mal:name>Bruno Brouard</mal:name>

      <mal:email>annoa.b@gmail.com</mal:email>

      <mal:years>2011-12</mal:years>

    </mal:credit>

    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">

      <mal:name>Luis Menina</mal:name>

      <mal:email>liberforce@freeside.fr</mal:email>

      <mal:years>2014</mal:years>

    </mal:credit>

  </info>

  <title>Élément graphique GtkFontChooser</title>

  <media type="image" mime="image/png" src="media/fontchooserwidget.png"/>

  
Un élément graphique GtkFontChooser avec une fonction de rappel.

  <links type="section"/>

  <section id="code">

    <title>Code utilisé pour générer cet exemple</title>

    //!/usr/bin/gjs

imports.gi.versions.Gtk = '3.0';

const Gtk = imports.gi.Gtk;

class FontChooserWidgetExample {

    // Create the application itthis

    constructor() {

        this.application = new Gtk.Application({ application_id: 'org.example.fontchooserwidget' });

        // Connect 'activate' and 'startup' signals to the callback functions

        this.application.connect('activate', this._onActivate.bind(this));

        this.application.connect('startup', this._onStartup.bind(this));

    }

    // Callback function for 'activate' signal presents windows when active

    _onActivate() {

        this.window.present();

    }

    // Callback function for 'startup' signal builds the UI

    _onStartup() {

        this._buildUI();

    }

    // Build the application's UI

    _buildUI() {

        // 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", this._fontCb.bind(this));

        // add the font chooser to the window

        this.window.add(this.fontChooser);

        this.window.show_all();

   }

     // callback function:

     _fontCb() {

        // print in the terminal

        print("You chose the font " + this.fontChooser.get_font());

    }

};

// Run the application

let app = new FontChooserWidgetExample();

app.application.run (ARGV);

  </section>

  <section id="references">

    <title>Références API</title>

    
Dans cet exemple, les éléments suivants sont utilisés :

    <list>

      <item>
<link href="http://developer.gnome.org/gtk3/unstable/GtkFontChooserWidget.html">GtkFontChooserWidget</link>
</item>

    </list>

  </section>

</page>