library: Ported LinkButton in Rust

src/Library/demos/Link Button/code.rs

@@ -0,0 +1,18 @@
+use crate::workbench;
+use gtk::prelude::*;
+use gtk::traits::ButtonExt;
+
+pub fn main() {
+    let linkbutton: gtk::LinkButton = workbench::builder().object("linkbutton").unwrap();
+
+    linkbutton.connect_clicked(move |_| {
+        println!("Link has been visited");
+    });
+
+    linkbutton.connect_notify(Some("visited"), |button, _| {
+        println!("About to activate {}", button.uri());
+      // Return true if handling the link manually, or
+        // false to let the default behavior continue
+        false;
+    });
+}

src/Library/demos/Separator/code.rs

@@ -0,0 +1,12 @@
+use crate::workbench;
+use gtk::gio;
+
+pub fn main() {
+    let picture_one: gtk::Picture = workbench::builder().object("picture_one").unwrap();
+    let picture_two: gtk::Picture = workbench::builder().object("picture_two").unwrap();
+
+    let file = gio::File::for_uri(workbench::resolve("./image.png").as_str());
+
+    picture_one.set_file(Some(&file));
+    picture_two.set_file(Some(&file));
+}