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<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="togglebutton.vala" xml:lang="gl">
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<info>
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<title type="text">ToggleButton (Vala)</title>
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<link type="guide" xref="beginner.vala#buttons"/>
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<link type="seealso" xref="grid.vala"/>
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<link type="seealso" xref="spinner.vala"/>
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<revision version="0.1" date="2012-05-09" status="draft"/>
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<credit type="author copyright">
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<name>Tiffany Antopolski</name>
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<email its:translate="no">tiffany.antopolski@gmail.com</email>
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<years>2012</years>
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</credit>
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<desc>Un botón que mantén o seu estado</desc>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Fran Dieguez</mal:name>
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<mal:email>frandieguez@gnome.org</mal:email>
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<mal:years>2012-2013.</mal:years>
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</mal:credit>
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</info>
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<title>ToggleButton</title>
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<media type="image" mime="image/png" src="media/togglebutton.png"/>
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Cando este ToggleButton está no estado activo, o spinner xira.
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public class MyWindow : Gtk.ApplicationWindow {
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Gtk.Spinner spinner;
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internal MyWindow (MyApplication app) {
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Object (application: app, title: "ToggleButton Example");
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this.set_default_size (300, 300);
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this.border_width = 30;
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/*Spinner*/
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spinner = new Gtk.Spinner ();
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spinner.set_hexpand (true);
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spinner.set_vexpand (true);
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/*ToggleButton*/
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var togglebutton = new Gtk.ToggleButton.with_label ("Start/Stop");
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togglebutton.toggled.connect (toggled_cb);
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/*Grid*/
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var grid = new Gtk.Grid ();
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grid.set_row_homogeneous (false);
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grid.set_row_spacing (15);
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grid.attach (spinner, 0, 0, 1, 1);
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grid.attach (togglebutton, 0, 1, 1, 1);
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this.add (grid);
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}
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void toggled_cb (Gtk.ToggleButton button) {
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if (button.get_active()) {
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spinner.start ();
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}
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else {
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spinner.stop ();
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}
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}
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}
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public class MyApplication : Gtk.Application {
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protected override void activate () {
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//Show all the things
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new MyWindow (this).show_all ();
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}
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internal MyApplication () {
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Object (application_id: "org.example.spinner");
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}
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}
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public int main (string[] args) {
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return new MyApplication ().run (args);
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}
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Neste exemplo empregaremos o seguinte:
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<list>
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<item><link href="http://www.valadoc.org/gtk+-3.0/Gtk.ToggleButton.html">Gtk.ToggleButton</link> </item>
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</list>
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</page>
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