<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="toolbar_builder.vala" xml:lang="gl">

  <info>

  <title type="text">Toolbar created using Glade (Vala)</title>

    <link type="guide" xref="beginner.vala#menu-combo-toolbar"/>

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

    <link type="seealso" xref="grid.vala"/>

    <revision version="0.1" date="2012-05-08" status="draft"/>

    <credit type="author copyright">

      <name>Tiffany Antopolski</name>

      <email its:translate="no">tiffany.antopolski@gmail.com</email>

      <years>2012</years>

    </credit>

    <desc>Unha barra de botóns</desc>

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

      <mal:name>Fran Dieguez</mal:name>

      <mal:email>frandieguez@gnome.org</mal:email>

      <mal:years>2012-2013.</mal:years>

    </mal:credit>

  </info>

  <title>Barra de ferramentas creada empregando Glade</title>

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

  
This example is similar to <link xref="toolbar.vala"/>, except we use Glade to create the toolbar in an XML ui file.

  To create the toolbar using the <link href="http://glade.gnome.org/">Glade Interface Designer</link>:

  <steps>

    <item>
Open Glade, and save the file as <file>toolbar_builder.ui</file>

          
<media type="image" src="media/glade_ui.png" width="900">

              Screenshot of Glade ui

           </media>

    </item>

    <item>
Under <gui>Containers</gui> on the left hand side, right click on the toolbar icon and select <gui>Add widget as toplevel</gui>.

          
<media type="image" src="media/glade_select_toolbar.png">

           Screenshot of toolbar icon in Glade ui

          </media>

    </item>

    <item>
Under the <gui>General</gui> tab on the bottom right, change the <gui>Name</gui> to <input>toolbar</input> and <gui>Show Arrow</gui> to <gui>No</gui>.

          
<media type="image" src="media/glade_toolbar_general.png">

             Screenshot of General tab

          </media>

    </item>

    <item>
Under the <gui>Common</gui> tab, set <gui>Horizontal Expand</gui> to <gui>Yes</gui>.

         
<media type="image" src="media/glade_toolbar_common.png">

              Screenshot of Common tab

          </media>

     </item>

     <item>
Prema co botón dereito sobre a barra de ferramentas na parte superior dereita e seleccione <gui>Editar</gui>. A xanela <gui>Editor da barra de ferramentas</gui> aparecerá.

         
<media type="image" src="media/glade_toolbar_edit.png">

             Screenshot of where to right click to edit toolbar.

          </media>

   </item>

   <item>
Queremos engadir 5 ToolButtons: Novo, Abrir, Desfacer, Pantalla completa e Saír da pantalla completa. Primeiro, precisamos engadir o ToolButton Novo.

     <steps>

       <item>
Baixo a lapela <gui>Xerarquía</gui>, prema <gui>Engadir</gui>.
</item>

       <item>
Cambie o nome do TollItem a <input>new_button</input>.
</item>

       <item>
Scroll down and set <gui>Is important</gui> to <gui>Yes</gui>.  This will cause the label of the ToolButton to be shown, when you view the toolbar.
</item>

       <item>
Escriba o <gui>nome da acción</gui>: <input>app.new</input>.
</item>

       <item>
Cambie a <gui>Etiqueta</gui> a <input>Nova</input>.
</item>

       <item>
Seleccione o Id de inventario <gui>New</gui> desde o menú despregábel, ou o tipo <input>gtk-new</input>.
</item>

     </steps>

     
Repita os pasos de arriba cos TollButtons que faltan, coas seguintes propiedades:

        
Nome

        
É importante

        
Action name

        
Etiqueta

        
ID de inventario

      
open_button

      
Si

      
app.open

      
Open

      
gtk-open

      
undo_button

      
Si

      
win.undo

      
Desfacer

      
gtk-undo

      
fullscreen_button

      
Si

      
win.fullscreen

      
Pantalla completa

      
gtk-fullscreen

      
leave_fullscreen_button

      
Si

      
win.fullscreen

      
Saír do modo de pantalla completa

      
gtk-leave-fullscreen

          <media type="image" src="media/glade_toolbar_editor.png">

          </media>

    </item>

    <item>
Pechar o <gui>Editor de barra de ferramentas</gui>.

   </item>

   <item>
When our program will first start, we don't want the <gui>Leave Fullscreen</gui> ToolButton to be visible, since the application will not be in fullscreen mode.  You can set this in the <gui>Common</gui> tab, by clicking the <gui>Visible</gui> property to <gui>No</gui>.  The ToolButton will still appear in the interface designer, but will behave correctly when the file is loaded into your program code.

          
<media type="image" src="media/glade_visible_no.png">

                 Setting the visible property to No

          </media>

   </item>

    <item>
Garde o seu traballo e saia de Glade.

   </item>

   <item>
The XML file created by Glade is shown below. This is the description of the toolbar.  At the time of this writing, the option to add the class Gtk.STYLE_CLASS_PRIMARY_TOOLBAR in the Glade Interface did not exist.  We can manually add this to the XML file.  To do this, add the following XML code at line 9 of <file>toolbar_builder.ui</file>:

  <style>

     <class name="primary-toolbar"/>

  </style>

  ]]>

  
Se non engade isto, o programa funcionará igual. Porén barra de ferramentas resultante semellará un pouco diferente á captura de pantalla da parte superior desta páxina.

   </item>

</steps>

  <?xml version="1.0" encoding="UTF-8"?>

<interface>

  <!-- interface-requires gtk+ 3.0 -->

  <object class="GtkToolbar" id="toolbar">

    <property name="visible">True</property>

    <property name="can_focus">False</property>

    <property name="hexpand">True</property>

    <property name="show_arrow">False</property>

    <child>

      <object class="GtkToolButton" id="new_button">

        <property name="use_action_appearance">False</property>

        <property name="visible">True</property>

        <property name="can_focus">False</property>

        <property name="use_action_appearance">False</property>

        <property name="is_important">True</property>

        <property name="action_name">app.new</property>

        <property name="label" translatable="yes">New</property>

        <property name="use_underline">True</property>

        <property name="stock_id">gtk-new</property>

      </object>

      <packing>

        <property name="expand">False</property>

        <property name="homogeneous">True</property>

      </packing>

    </child>

    <child>

      <object class="GtkToolButton" id="open_button">

        <property name="use_action_appearance">False</property>

        <property name="visible">True</property>

        <property name="can_focus">False</property>

        <property name="use_action_appearance">False</property>

        <property name="is_important">True</property>

        <property name="action_name">app.open</property>

        <property name="label" translatable="yes">Open</property>

        <property name="use_underline">True</property>

        <property name="stock_id">gtk-open</property>

      </object>

      <packing>

        <property name="expand">False</property>

        <property name="homogeneous">True</property>

      </packing>

    </child>

    <child>

      <object class="GtkToolButton" id="undo_button">

        <property name="use_action_appearance">False</property>

        <property name="visible">True</property>

        <property name="can_focus">False</property>

        <property name="use_action_appearance">False</property>

        <property name="is_important">True</property>

        <property name="action_name">win.undo</property>

        <property name="label" translatable="yes">Undo</property>

        <property name="use_underline">True</property>

        <property name="stock_id">gtk-undo</property>

      </object>

      <packing>

        <property name="expand">False</property>

        <property name="homogeneous">True</property>

      </packing>

    </child>

    <child>

      <object class="GtkToolButton" id="fullscreen_button">

        <property name="use_action_appearance">False</property>

        <property name="visible">True</property>

        <property name="can_focus">False</property>

        <property name="use_action_appearance">False</property>

        <property name="is_important">True</property>

        <property name="action_name">win.fullscreen</property>

        <property name="label" translatable="yes">Fullscreen</property>

        <property name="use_underline">True</property>

        <property name="stock_id">gtk-fullscreen</property>

      </object>

      <packing>

        <property name="expand">False</property>

        <property name="homogeneous">True</property>

      </packing>

    </child>

    <child>

      <object class="GtkToolButton" id="leave_fullscreen_button">

        <property name="use_action_appearance">False</property>

        <property name="can_focus">False</property>

        <property name="use_action_appearance">False</property>

        <property name="is_important">True</property>

        <property name="action_name">win.fullscreen</property>

        <property name="label" translatable="yes">Leave Fullscreen</property>

        <property name="use_underline">True</property>

        <property name="stock_id">gtk-leave-fullscreen</property>

      </object>

      <packing>

        <property name="expand">False</property>

        <property name="homogeneous">True</property>

      </packing>

    </child>

  </object>

</interface>

  
Agora crearemos o código de embaixo, que engade a barra de ferrametnas desde o ficheiro que creamos.

/* This is the Window */

class MyWindow : Gtk.ApplicationWindow {

	/* Declare these two ToolButtons, as we will get them

	 * from the ui file (see lines 32 and 33), so we can

	 * hide() and show() them as needed.*/

	Gtk.ToolButton fullscreen_button;

	Gtk.ToolButton leave_fullscreen_button;

	/* Constructor */

	internal MyWindow (MyApplication app) {

		Object (application: app, title: "Toolbar Example");

		this.set_default_size (400, 200);

		var grid = new Gtk.Grid ();

		this.add (grid);

		grid.show ();

		/* add the toolbar from the ui file */

		var builder = new Gtk.Builder ();

		try {

			builder.add_from_file ("toolbar_builder.ui");

		}

		/* Handle the exception */

		catch (Error e) {

			error ("Unable to load file: %s", e.message);

		}

		grid.attach (builder.get_object ("toolbar") as Gtk.Toolbar, 0, 0, 1, 1);

		/* get these objects from the ui file so we can toggle between them */

		fullscreen_button = builder.get_object ("fullscreen_button") as Gtk.ToolButton;

		leave_fullscreen_button = builder.get_object ("leave_fullscreen_button") as Gtk.ToolButton;

		/* create the "undo" window action action */

		var undo_action = new SimpleAction ("undo", null);

		undo_action.activate.connect (undo_callback);

		this.add_action (undo_action);

		/* create the "fullscreen" window action */

		var fullscreen_action = new SimpleAction ("fullscreen", null);

		fullscreen_action.activate.connect (fullscreen_callback);

		this.add_action (fullscreen_action);

	}

	void undo_callback (SimpleAction simple, Variant? parameter) {

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

	}

	void fullscreen_callback (SimpleAction simple, Variant? parameter) {

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

			this.unfullscreen ();

			leave_fullscreen_button.hide ();

			fullscreen_button.show ();

		}

		else {

			this.fullscreen ();

			fullscreen_button.hide ();

			leave_fullscreen_button.show ();

		}

	}

}

/* This is the application */

class MyApplication : Gtk.Application {

	protected override void activate () {

		new MyWindow (this).show ();

	}

	protected override void startup () {

		base.startup ();

		/* Create the "new" action and add it to the app*/

		var new_action = new SimpleAction ("new", null);

		new_action.activate.connect (new_callback);

		this.add_action (new_action);

		/* Create the "open" action, and add it to the app */

		var open_action = new SimpleAction ("open", null);

		open_action.activate.connect (open_callback);

		this.add_action (open_action);

		/* You could also add the action to the app menu

		 * if you wanted to.

		 */

		//var menu = new Menu ();

		//menu.append ("New", "app.new");

		//this.app_menu = menu;

	}

	void new_callback (SimpleAction action, Variant? parameter) {

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

	}

	void open_callback (SimpleAction action, Variant? parameter) {

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

	}

}

/* The main function creates the application and runs it. */

int main (string[] args) {

	return new MyApplication ().run (args);

}

Neste exemplo empregaremos o seguinte:

<list>

  <item>
<link href="http://www.valadoc.org/gtk+-3.0/Gtk.Toolbar.html">Gtk.Toolbar</link>
</item>

  <item>
<link href="http://www.valadoc.org/gtk+-3.0/Gtk.ToolButton.html">Gtk.Toolbutton</link>
</item>

  <item>
<link href="http://www.valadoc.org/gtk+-3.0/Gtk.Stock.html">Gtk.Stock</link>
</item>

</list>

</page>