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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="switch.vala" xml:lang="ca">
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<info>
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<title type="text">Switch (Vala)</title>
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<link type="guide" xref="beginner.vala#buttons"/>
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<link type="seealso" xref="checkbutton.vala"/>
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<link type="seealso" xref="label.vala"/>
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<link type="seealso" xref="grid.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>A "light switch" style toggle</desc>
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</info>
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<title>Switch</title>
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<media type="image" mime="image/png" style="floatend" src="media/switch_off.png"/>
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<media type="image" mime="image/png" src="media/switch_on.png"/>
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This Switch toggles the title.
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class MyWindow : Gtk.ApplicationWindow {
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internal MyWindow (MyApplication app) {
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Object (application: app, title: "Switch Example");
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this.set_default_size (300, 100);
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this.border_width = 10;
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var label = new Gtk.Label ("Title");
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var switcher = new Gtk.Switch ();
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switcher.set_active (true);
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switcher.notify["active"].connect (switcher_cb);
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var grid = new Gtk.Grid ();
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grid.set_column_spacing (10);
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grid.attach (label, 0, 0, 1, 1);
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grid.attach (switcher, 1, 0, 1, 1);
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this.add (grid);
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}
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void switcher_cb (Object switcher, ParamSpec pspec) {
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if ((switcher as Gtk.Switch).get_active())
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this.set_title ("Switch Example");
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else
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this.set_title ("");
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}
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}
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class MyApplication : Gtk.Application {
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protected override void activate () {
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var window = new MyWindow (this);
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window.show_all (); //show all the things
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}
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internal MyApplication () {
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Object (application_id: "org.example.checkbutton");
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}
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}
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int main (string[] args) {
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return new MyApplication ().run (args);
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}
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In this sample we used the following:
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<list>
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<item><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Switch.html">Gtk.Switch</link> </item>
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</list>
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</page>
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