<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="tooltip.js" xml:lang="fr">

  <info>

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

    <link type="guide" xref="beginner.js#misc"/>

    <link type="seealso" xref="toolbar.js"/>

    <revision version="0.1" 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>Ajouter des infobulles à vos éléments graphiques</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>Infobulle</title>

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

  
Une barre d'outil avec une infobulle (une image) pour un bouton.

  <note>
This example builds on the <link xref="toolbar.js">Toolbar</link> example.
</note>

  <links type="section"/>

  <section id="code">

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

    //!/usr/bin/gjs

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

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

const Gdk = imports.gi.Gdk;

const GLib = imports.gi.GLib;

const Gio = imports.gi.Gio;

const Gtk = imports.gi.Gtk; 

class TooltipExample {

    // Create the application 

    constructor() {

        this.application = new Gtk.Application({

            application_id: 'org.example.jstooltip'

        });

        // 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: "Toolbar with Tooltips Example",

            default_width: 400,

            default_height: 200,

            border_width: 10

        });

        this.grid = new Gtk.Grid();

        this.toolbar = this._createToolbar();

        this.toolbar.set_hexpand(true);

        this.toolbar.show();

        this.grid.attach(this.toolbar, 0, 0, 1, 1);

        this.window.add(this.grid);

        this._newAction = new Gio.SimpleAction({ name: "new" });

        this._newAction.connect("activate", this._newCallback.bind(this));

        this.window.add_action(this._newAction);

        this._openAction = new Gio.SimpleAction({ name: "open" });

        this._openAction.connect("activate", this._openCallback.bind(this));

        this.window.add_action(this._openAction);

        this._undoAction = new Gio.SimpleAction({ name: "undo" });

        this._undoAction.connect("activate", this._undoCallback.bind(this));

        this.window.add_action(this._undoAction);

        this._fullScreenAction = new Gio.SimpleAction({ name: "fullscreenToggle" });

        this._fullScreenAction.connect("activate",

                                       this._fullScreenCallback.bind(this));

        this.window.add_action(this._fullScreenAction);

        this.window.show_all();

    }

    _createToolbar() {

        this.toolbar = new Gtk.Toolbar();

        this.toolbar.get_style_context().add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR);

        // button for the "new" action

        this.newButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_NEW);

        // with a tooltip with a given text        

        this.newButton.set_tooltip_text("Create a new file");

        this.newButton.set_is_important(true);

        this.toolbar.insert(this.newButton, 0);

        this.newButton.show();

        this.newButton.set_action_name("win.new");

        // button for the "open" action

        this.openButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_OPEN);

        // with a tooltip with a given text in the Pango markup language        

        this.openButton.set_tooltip_markup("Open an <i>existing</i> file");

        this.openButton.set_is_important(true);

        this.toolbar.insert(this.openButton, 1);

        this.openButton.show();

        this.openButton.set_action_name("win.open");

        // button for the "undo" action

        this.undoButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_UNDO);

        // with a tooltip with an image

        // set true the property "has-tooltip"        

        this.undoButton.set_property("has-tooltip", true);

        // connect to the callback function that for the tooltip

        // with the signal "query-tooltip"

        this.undoButton.connect("query-tooltip", this._undoTooltipCallback.bind(this));

        this.undoButton.set_is_important(true);

        this.toolbar.insert(this.undoButton, 2);

        this.undoButton.show();

        this.undoButton.set_action_name("win.undo");

        // button for the "fullscreen/leave fullscreen" action

        this.fullscreenButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_FULLSCREEN);

        this.fullscreenButton.set_is_important(true);

        this.toolbar.insert(this.fullscreenButton, 3);

        this.fullscreenButton.set_action_name("win.fullscreenToggle");

        return this.toolbar;

    }

    _newCallback(action, parameter) {

        print("You clicked \"New\".");

    }

    _openCallback(action, parameter) {

        print("You clicked \"Open\".");

    }

    // the callback function for the tooltip of the "undo" button

    _undoTooltipCallback(widget, x, y, keyboard_mode, tooltip) {

        // set the text for the tooltip

        tooltip.set_text("Undo your last action");

        // set an icon fot the tooltip

        tooltip.set_icon_from_stock(Gtk.STOCK_UNDO, Gtk.IconSize.MENU);

        // show the tooltip

        return true;

    }

    _undoCallback(action, parameter) {

        print("You clicked \"Undo\".");

    }

    _fullScreenCallback() {

        if ((this.window.get_window().get_state() & Gdk.WindowState.FULLSCREEN) != 0 ){

            this.fullscreenButton.set_stock_id(Gtk.STOCK_FULLSCREEN);

            this.fullscreenButton.set_tooltip_text("Make your window fullscreen");

            this.window.unfullscreen();

        } else {

            this.fullscreenButton.set_stock_id(Gtk.STOCK_LEAVE_FULLSCREEN);

            this.fullscreenButton.set_tooltip_text("Leave fullscreen");

            this.window.fullscreen();

        }

    }

};

// Run the application

let app = new TooltipExample ();

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://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Tooltip.html">GtkTooltip</link>
</item>

      <item>
<link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Toolbar.html">GtkToolbar</link>
</item>

      <item>
<link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Widget.html">GtkWidget</link>
</item>

      <item>
<link href="http://developer.gnome.org/gtk3/stable/gtk3-Stock-Items.html">Stock Items</link>
</item>

    </list>

  </section>

</page>