Add custom search bar with tags

src/search_tag.rs

@@ -0,0 +1,60 @@
+use adw::{glib, glib::subclass::Signal, prelude::*, subclass::prelude::*};
+use once_cell::sync::Lazy;
+
+mod imp {
+    use super::*;
+
+    #[derive(Debug, Default, gtk::CompositeTemplate)]
+    #[template(file = "data/ui/search_tag.blp")]
+    pub struct MusicusSearchTag {
+        #[template_child]
+        pub label: TemplateChild<gtk::Label>,
+    }
+
+    #[glib::object_subclass]
+    impl ObjectSubclass for MusicusSearchTag {
+        const NAME: &'static str = "MusicusSearchTag";
+        type Type = super::MusicusSearchTag;
+        type ParentType = gtk::Box;
+
+        fn class_init(klass: &mut Self::Class) {
+            klass.bind_template();
+            klass.bind_template_instance_callbacks();
+        }
+
+        fn instance_init(obj: &glib::subclass::InitializingObject<Self>) {
+            obj.init_template();
+        }
+    }
+
+    impl ObjectImpl for MusicusSearchTag {
+        fn signals() -> &'static [Signal] {
+            static SIGNALS: Lazy<Vec<Signal>> =
+                Lazy::new(|| vec![Signal::builder("remove").build()]);
+
+            SIGNALS.as_ref()
+        }
+    }
+
+    impl WidgetImpl for MusicusSearchTag {}
+    impl BoxImpl for MusicusSearchTag {}
+}
+
+glib::wrapper! {
+    pub struct MusicusSearchTag(ObjectSubclass<imp::MusicusSearchTag>)
+        @extends gtk::Widget;
+}
+
+#[gtk::template_callbacks]
+impl MusicusSearchTag {
+    pub fn new(label: &str) -> Self {
+        let tag: MusicusSearchTag = glib::Object::new();
+        tag.imp().label.set_label(label);
+        tag
+    }
+
+    #[template_callback]
+    fn remove(&self, _: &gtk::Button) {
+        self.emit_by_name::<()>("remove", &[]);
+    }
+}