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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="entry.vala" xml:lang="cs">
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<info>
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<title type="text">Entry (Vala)</title>
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<link type="guide" xref="beginner.vala#entry"/>
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<revision version="0.1" date="2012-05-03" 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>Jednořádkové textové vstupní pole</desc>
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</info>
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<title>Entry</title>
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<media type="image" mime="image/png" src="media/entry.png"/>
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Tato aplikace vás přivítá v terminálu.
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/* Okno v aplikaci */
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class MyWindow : Gtk.ApplicationWindow {
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/* Konstruktor */
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internal MyWindow (MyApplication app) {
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Object (application: app, title: "What is your name?");
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var name_box = new Gtk.Entry ();
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/* Napojí na obsluhu signálu */
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name_box.activate.connect (this.on_activate);
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name_box.show ();
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this.set_default_size (300, 100);
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this.border_width = 10;
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/* Přidá name_box do tohoto okna */
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this.add (name_box);
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}
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/* Zpracování signálu (neboli funkce zpětného volání) pro
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* signál "activate" z Gtk.Entry
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*/
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void on_activate (Gtk.Entry entry) {
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name = entry.get_text ();
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print ("\nHello " + name + "!\n\n");
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}
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}
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/* Toto je aplikace */
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class MyApplication : Gtk.Application {
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/* Konstruktor aplikace */
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internal MyApplication () {
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Object (application_id: "org.example.MyApplication");
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}
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/* Přepíše signál "activate" z GLib.Application */
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protected override void activate () {
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/* Vytvoří okno pro tuto aplikaci a zobrazí jej */
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new MyWindow (this).show ();
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}
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}
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/* Funkce main vytvoří a spustí aplikaci */
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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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V této ukázce se používá následující:
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<list>
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<item><link href="http://www.valadoc.org/gtk+-3.0/Gtk.Entry.html">Gtk.Entry</link> </item>
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</list>
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</page>
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