Vala example: GLib.Settings added.

vala/gsettings/GLib.Settings.vala

@@ -0,0 +1,62 @@
+public static int main (string[] args) {
+	try {
+		// Custom location:
+		string settings_dir = Path.get_dirname (args[0]);
+		SettingsSchemaSource sss = new SettingsSchemaSource.from_directory (settings_dir, null, false);
+		SettingsSchema schema = sss.lookup ("org.example.glib-settings-schema-source", false);
+		if (sss.lookup == null) {
+			stdout.printf ("ID not found.");
+			return 0;
+		}
+
+		Settings settings = new Settings.full (schema, null, null);
+
+		// Default location: (XDG_DATA_DIRS)
+		// Settings settings = new Settings ("org.example.glib-settings-schema-source");
+
+	
+
+		// Output: ``Hello, earthlings``
+		string greeting = settings.get_string ("greeting");
+		stdout.printf ("%s\n", greeting);
+
+		// Output: ``99``
+		int bottles = settings.get_int ("bottles-of-beer");
+		stdout.printf ("%d\n", bottles);
+
+		// Output: ``false``
+		bool lighting = settings.get_boolean ("lighting");
+		stdout.printf ("%s\n", lighting.to_string ());
+
+
+
+		// Change notification for any key in the schema
+		settings.changed.connect ((key) => {
+			print ("Key '%s' changed\n", key);
+		});
+
+		// Change notification for a single key
+		settings.changed["greeting"].connect (() => {
+			print ("New greeting: %s\n", settings.get_string ("greeting"));
+		});
+
+
+		// Setting keys
+
+		// Output:
+		//  ``Key 'bottles-of-beer' changed``
+		//  ``Key 'lighting' changed``
+		//  ``Key 'greeting' changed``
+		//  ``New greeting: hello, world``
+		settings.set_int ("bottles-of-beer", bottles - 1);
+		settings.set_boolean ("lighting", !lighting);
+		settings.set_string ("greeting", "hello, world");
+
+
+		stdout.puts ("\nPlease start 'dconf-editor' and edit keys in /org/example/my-app/\n");
+		new MainLoop ().run ();
+	} catch (Error e) {
+		stdout.printf ("Error: %s\n", e.message);
+	}
+	return 0;
+}

vala/gsettings/ws.backbone.gsettings.glib.gschema.xml

@@ -0,0 +1,29 @@
+<schemalist>
+    <schema id="org.example.glib-settings-schema-source" path="/org/example/my-app/" gettext-domain="my-app">
+
+        <key name="greeting" type="s">
+            <default l10n="messages">"Hello, earthlings"</default>
+            <summary>A greeting</summary>
+            <description>
+                Greeting of the invading martians
+            </description>
+        </key>
+
+        <key name="bottles-of-beer" type="i">
+            <default>99</default>
+            <summary>Bottles of beer</summary>
+            <description>
+                Number of bottles of beer on the wall
+            </description>
+        </key>
+
+        <key name="lighting" type="b">
+            <default>false</default>
+            <summary>Is the light switched on?</summary>
+            <description>
+                State of an imaginary light switch.
+            </description>
+        </key>
+
+    </schema>
+</schemalist>