Used for justifying the text inside a GtkLabel widget. (See also GtkAlignment).
|0||Gtk::JUSTIFY_LEFT||The text is placed at the left edge of the label.|
|1||Gtk::JUSTIFY_RIGHT||The text is placed at the right edge of the label.|
|2||Gtk::JUSTIFY_CENTER||The text is placed in the center of the label.|
|3||Gtk::JUSTIFY_FILL||The text is placed is distributed across the label.|