[gnome-devel-docs] tutorials: hello-world-vala example (new way and old way)

[Tiffany Antopolski <antopolski src gnome org>]

commit 2fe36b701e5a099a85acd7cf7ba5be46da9cf3fa
Author: Tiffany Antopolski <tiffany antopolski gmail com>
Date:   Sat Apr 7 21:49:26 2012 -0400

    tutorials: hello-world-vala example (new way and old way)

 platform-demos/C/hello-world-vala/hello-world.vala |   21 ++++++++++
 platform-demos/C/hello-world-vala/newway-menus.ui  |   22 ++++++++++
 platform-demos/C/hello-world-vala/newway.vala      |   41 ++++++++++++++++++++
 3 files changed, 84 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/hello-world-vala/hello-world.vala b/platform-demos/C/hello-world-vala/hello-world.vala
new file mode 100644
index 0000000..501f093
--- /dev/null
+++ b/platform-demos/C/hello-world-vala/hello-world.vala
@@ -0,0 +1,21 @@
+//to compile: valac hello-world.vala --pkg gtk+-3.0
+//to run: ./hello-world
+
+class HelloWorld : Gtk.Application {
+
+        /* constructor */
+	public HelloWorld () {
+		Object (application_id: "org.gnome.HelloWorld");
+	}
+
+	protected override void activate () {
+		var window = new Gtk.ApplicationWindow (this);
+		window.add (new Gtk.Label ("Hello world!\n"));
+		window.show_all ();
+	}
+}
+
+int main (string[] args) {
+	var app = new HelloWorld ();
+	return app.run ();
+}
diff --git a/platform-demos/C/hello-world-vala/newway-menus.ui b/platform-demos/C/hello-world-vala/newway-menus.ui
new file mode 100644
index 0000000..1404683
--- /dev/null
+++ b/platform-demos/C/hello-world-vala/newway-menus.ui
@@ -0,0 +1,22 @@
+<interface>
+  <menu id='app-menu'>
+    <section>
+      <item>
+        <attribute name='label' translatable="yes">_New</attribute>
+        <attribute name='action'>app.new</attribute>
+      </item>
+    </section>
+    <section>
+      <item>
+        <attribute name='label' translatable="yes">_Left</attribute>
+        <attribute name='action'>app.move</attribute>
+        <attribute name='target'>left</attribute>
+      </item>
+      <item>
+        <attribute name='label' translatable="yes">_Right</attribute>
+        <attribute name='action'>app.move</attribute>
+        <attribute name='target'>right</attribute>
+      </item>
+    </section>
+  </menu>
+</interface>
diff --git a/platform-demos/C/hello-world-vala/newway.vala b/platform-demos/C/hello-world-vala/newway.vala
new file mode 100644
index 0000000..60c3f97
--- /dev/null
+++ b/platform-demos/C/hello-world-vala/newway.vala
@@ -0,0 +1,41 @@
+//to compile: valac newway.vala --pkg gtk+-3.0
+//to run: ./newway
+
+class MyApplication : Gtk.Application {
+	protected override void activate () {
+		var window = new Gtk.ApplicationWindow (this);
+		window.add (new Gtk.Label ("Hello world!\n"));
+		window.show_all ();
+	}
+
+	void do_new () {
+		activate ();
+	}
+
+	void do_move (SimpleAction action, Variant? parameter) {
+		print ("moved: %s\n", (string) parameter);
+	}
+
+	const ActionEntry[] actions = {
+		{ "new", do_new },
+		{ "move", do_move, "s" }
+	};
+
+	protected override void startup () {
+		base.startup ();
+		add_action_entries (actions, this);
+
+		var builder = new Gtk.Builder ();
+		builder.add_from_file ("newway-menus.ui");
+		app_menu = builder.get_object ("app-menu") as MenuModel;
+	}
+
+	public MyApplication () {
+		Object (application_id: "org.gnome.HelloWorld");
+	}
+}
+
+int main (string[] args) {
+	var app = new MyApplication ();
+	return app.run ();
+}