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Simple Gtk.Application example in vala
public class Application : Gtk.Application {
public Application () {
Object(application_id: "my.application",
flags: ApplicationFlags.FLAGS_NONE);
}
protected override void activate () {
// create the window of this application and show it
Gtk.ApplicationWindow window = new Gtk.ApplicationWindow (this);
window.set_default_size (800, 600);
window.set_border_width (10);
// add headerbar with button
Gtk.HeaderBar headerbar = new Gtk.HeaderBar();
headerbar.show_close_button = true;
headerbar.title = "Window";
window.set_titlebar (headerbar);
Gtk.Button button = new Gtk.Button.with_label ("About");
button.clicked.connect (() => {
// show about dialog on click
string[] authors = { "GNOME Documentation Team", null };
string[] documenters = { "GNOME Documentation Team", null };
Gtk.show_about_dialog (window,
"program-name", ("GtkApplication Example"),
"copyright", ("Copyright \xc2\xa9 2012 GNOME Documentation Team"),
"authors", authors,
"documenters", documenters,
"website", "http://developer.gnome.org",
"website-label", ("GNOME Developer Website"),
null);
});
// add button to headerbar
headerbar.pack_end (button);
// create stack
Gtk.Stack stack = new Gtk.Stack ();
stack.set_transition_type (Gtk.StackTransitionType.SLIDE_LEFT_RIGHT);
// giving widgets to stack
Gtk.Label label = new Gtk.Label ("A label");
stack.add_titled (label, "label", "A label");
Gtk.Label label2 = new Gtk.Label ("Another label");
stack.add_titled (label2, "label2", "Another label");
// add stack (contains widgets) to stackswitcher widget
Gtk.StackSwitcher stack_switcher = new Gtk.StackSwitcher ();
stack_switcher.halign = Gtk.Align.CENTER;
stack_switcher.set_stack (stack);
// add stackswitcher to vertical box
Gtk.Box vbox = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
vbox.pack_start (stack_switcher, false, false, 0);
vbox.pack_start (stack, false, false, 10);
window.add (vbox);
window.show_all ();
}
public static int main (string[] args) {
Application app = new Application ();
return app.run (args);
}
}
@rickybassom
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rickybassom commented Oct 26, 2015

valac --pkg gtk+-3.0 main.vala; ./main

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