enshort construction

src/browser/header/tray/tab/widget.rs

@@ -1,5 +1,3 @@
-use gtk::prelude::{ButtonExt, WidgetExt};
-
 pub struct Tab {
     gtk: gtk::Button,
 }
@@ -7,19 +5,13 @@ pub struct Tab {
 impl Tab {
     // Construct
     pub fn new() -> Tab {
-        // Init widget
-        let gtk = gtk::Button::builder()
+        Self {
+            gtk: gtk::Button::builder()
+                .action_name("win.tab_append")
                 .icon_name("tab-new-symbolic")
                 .tooltip_text("New tab")
-            .build();
-
-        // Init events
-        gtk.connect_clicked(|this| {
-            this.activate_action("win.tab_append", None)
-                .expect("The action does not exist");
-        });
-
-        Self { gtk }
+                .build(),
+        }
     }
 
     // Getters