Blame platform-overview/uk/tour-events.page
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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="task" id="tour-events" xml:lang="uk">
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<info>
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<link type="next" xref="tour-get_object"/>
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<revision version="0.1" date="2013-06-17" status="stub"/>
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<credit type="author copyright">
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<name>Ekaterina Gerasimova</name>
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<email its:translate="no">kittykat3756@gmail.com</email>
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<years>2013</years>
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</credit>
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<credit type="author copyright">
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<name>Gordon Hill</name>
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<email its:translate="no">caseyweederman@gmail.com</email>
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<years>2013</years>
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</credit>
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<include xmlns="http://www.w3.org/2001/XInclude" href="cc-by-sa-3-0.xml"/>
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<desc>Bind functions to events using Lang.</desc>
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</info>
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<title>Actions and signals</title>
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<links type="prevnext" style="top"/>
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<links type="series" style="floatend">
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<title>Get started with GNOME</title>
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</links>
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Gtk has a set of predefined events that you can use in your application.
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<example>
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Declare HelloWorld as a new class.
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class HelloWorld {
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]]>
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constructor is called when a new instance is created. Create a
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GtkApplication , then connect activate to the
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existing Gtk event _onActivate and startup to
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_onStartup :
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constructor() {
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this.application = new Gtk.Application();
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this.application.connect('activate', this._onActivate.bind(this));
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this.application.connect('startup', this._onStartup.bind(this));
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}
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]]>
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Show the window upon application activation:
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_onActivate() {
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this._window.show_all();
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}
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]]>
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</example>
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<links type="prevnext"/>
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</page>
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