gnome-devel-docs 3.18.1-1 / usr / share / help / es / gnome-devel-demos / entry.js.page

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<?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="entry.js" xml:lang="es">
  <info>
  <title type="text">Entry (JavaScript)</title>
    <link type="guide" xref="beginner.js#entry"/>
    <revision version="0.1" date="2012-06-03" status="draft"/>

    <credit type="author copyright">
      <name>Taryn Fox</name>
      <email its:translate="no">jewelfox@fursona.net</email>
      <years>2012</years>
    </credit>

    <desc>Un campo de entrada de texto de una sola línea</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Daniel Mustieles</mal:name>
      <mal:email>daniel.mustieles@gmail.com</mal:email>
      <mal:years>2011 - 2015</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Nicolás Satragno</mal:name>
      <mal:email>nsatragno@gmail.com</mal:email>
      <mal:years>2012 - 2013</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Jorge González</mal:name>
      <mal:email>jorgegonz@svn.gnome.org</mal:email>
      <mal:years>2011</mal:years>
    </mal:credit>
  </info>

  <title>Entry</title>
  <media type="image" mime="image/png" src="media/entry.png"/>
  <p>Esta aplicación le saluda por su nombre con una ventana emergente.</p>

<code mime="application/javascript" style="numbered">#!/usr/bin/gjs

const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;

const EntryExample = new Lang.Class({
    Name: 'Entry Example',

    // Create the application itself
    _init: function() {
        this.application = new Gtk.Application({
            application_id: 'org.example.jsentry',
            flags: Gio.ApplicationFlags.FLAGS_NONE
        });

    // 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,
            default_height: 100,
            default_width: 300,
            border_width: 10,
            title: "What is your name?"});

        // Create the text entry box
        this.entry = new Gtk.Entry ();
        this._window.add(this.entry);

        // Connect the text entry box to a function that responds to what you type in
        this.entry.connect("activate", Lang.bind (this, this._hello));

        // Show the window and all child widgets
        this._window.show_all();
    },



    _hello: function() {

        // Create a popup dialog to greet the person who types in their name
        this._greeter = new Gtk.MessageDialog ({
            transient_for: this._window,
            modal: true,
            text: "Hello, " + this.entry.get_text() + "!",
            message_type: Gtk.MessageType.OTHER,
            buttons: Gtk.ButtonsType.OK,
        });

        // Show the popup dialog
        this._greeter.show();

        // Bind the OK button to the function that closes the popup
        this._greeter.connect ("response", Lang.bind(this, this._okClicked));
    },

    _okClicked: function () {
        this._greeter.destroy();
    }

});

// Run the application
let app = new EntryExample ();
app.application.run (ARGV);
</code>
<p>En este ejemplo se usa lo siguiente:</p>
<list>
  <item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Application.html">Gtk.Application</link></p></item>
  <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkApplicationWindow.html">Gtk.ApplicationWindow</link></p></item>
  <item><p><link href="http://www.roojs.org/seed/gir-1.2-gtk-3.0/gjs/Gtk.Entry.html">Gtk.Entry</link></p></item>
  <item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.MessageDialog.html">Gtk.MessageDialog</link></p></item>
</list>
</page>

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