<?xml version="1.0" encoding="utf-8"?>
<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="paned.js" xml:lang="pt-BR">
<info>
<title type="text">Paned (JavaScript)</title>
<link type="guide" xref="beginner.js#layout"/>
<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>A widget with two adjustable panes</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Rafael Ferreira</mal:name>
<mal:email>rafael.f.f1@gmail.com</mal:email>
<mal:years>2013</mal:years>
</mal:credit>
</info>
<title>Paned</title>
<media type="image" mime="image/png" src="media/paned.png"/>
<p>Two images in two adjustable panes, horizontally aligned.</p>
<links type="section"/>
<section id="code">
<title>Code used to generate this example</title>
<code mime="application/javascript" style="numbered">#!/usr/bin/gjs
imports.gi.versions.Gtk = '3.0';
const Gtk = imports.gi.Gtk;
class PanedExample {
// Create the application itself
constructor() {
this.application = new Gtk.Application({ application_id: 'org.example.panedexample' });
// 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: "Paned Window Example",
default_width: 450,
default_height: 350,
border_width: 10 });
// a new widget with two adjustable panes,
// one on the left and one on the right
this.paned = Gtk.Paned.new(Gtk.Orientation.HORIZONTAL);
// two images
this.image1 = new Gtk.Image();
this.image1.set_from_file("gnome-image.png");
this.image2 = new Gtk.Image();
this.image2.set_from_file("tux.png");
// add the first image to the left pane
this.paned.add1(this.image1);
// add the second image to the right pane
this.paned.add2(this.image2)
// add the panes to the window
this.window.add(this.paned)
this.window.show_all();
}
};
// Run the application
let app = new PanedExample();
app.application.run (ARGV);
</code>
</section>
<section id="references">
<title>API References</title>
<p>In this sample we used the following:</p>
<list>
<item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Paned.html">GtkPaned</link></p></item>
<item><p><link href="http://developer.gnome.org/gtk3/stable/gtk3-Standard-Enumerations.html#GtkOrientation">Standard Enumerations</link></p></item>
<item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Image.html">GtkImage</link></p></item>
</list>
</section>
</page>