use separated widget mod

src/app/browser/window/tab/label/pin.rs

@@ -1,22 +1,30 @@
-use gtk::Image;
+use gtk::{prelude::WidgetExt, Image};
 
 pub struct Pin {
-    widget: Image,
+    gobject: Image,
 }
 
 impl Pin {
     // Construct
     pub fn new(visible: bool) -> Pin {
-        let widget = Image::builder()
+        let gobject = Image::builder()
             .icon_name("view-pin-symbolic")
             .visible(visible)
             .build();
 
-        Self { widget }
+        Self { gobject }
+    }
+
+    pub fn pin(&self, is_pinned: bool) {
+        self.gobject().set_visible(is_pinned);
     }
 
     // Getters
-    pub fn widget(&self) -> &Image {
-        &self.widget
+    pub fn is_pinned(&self) -> bool {
+        self.gobject.is_visible()
+    }
+
+    pub fn gobject(&self) -> &Image {
+        &self.gobject
     }
 }