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Added more to Properties section

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Milo Gilad 2017-08-25 13:03:09 -04:00
parent fe5001ca96
commit f560802e77
1 changed files with 19 additions and 5 deletions
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@ -313,13 +313,27 @@ class Animal : GLib.Object {
} }
public int eyes { get; set; default = 5; } // Shorter way public int eyes { get; set; default = 5; } // Shorter way
} public int kingdom { get; private set; default = "Animalia"} // Read-only
public static void main(string args[]) {
rabbit = new Animal(); rabbit = new Animal();
// All GLib.Objects have a signal "notify" emitted when a property changes.
// If you specify a specific property, replace all underscores with dashes
// to conform with the GObject naming convention.
rabbit.notify["eyes"].connect((s, p) => { // Remove the ["eyes"] for all
stdout.printf("Property '%s' has changed!\n", p.name);
});
rabbit.legs = 2; rabbit.legs = 2;
rabbit.legs += 2; rabbit.legs += 2;
rabbit.eyes = 2; rabbit.eyes = 2;
}
}
``` ```
* More Vala documentation can be found [here](https://valadoc.org/). * More Vala documentation can be found [here](https://valadoc.org/).
* Read about building GUIs with GTK+ and Vala [here](http://archive.is/7C7bw). * Read about building GUIs with GTK+ and Vala [here](http://archive.is/7C7bw).