small changes and add key changes

src/main.rs

@@ -20,6 +20,7 @@ struct AppModel {
 struct Sample {
     name: String,
     bpm: f32,
+    key: String, // todo: key struct?
 }
 
 #[relm4::component]
@@ -32,8 +33,8 @@ impl SimpleComponent for AppModel {
     view! {
         gtk::Window {
             set_title: Some("SampleAmp"),
-            set_default_width: 700,
-            set_default_height: 400,
+            set_default_width: 1000,
+            set_default_height: 600,
 
             connect_close_request[sender] => move |_| {
                 sender.input(AppMsg::Close);
@@ -70,7 +71,8 @@ impl SimpleComponent for AppModel {
                                 set_factory: Some(&factory_bpm)
                             },
                             append_column = &gtk::ColumnViewColumn {
-                                set_title: Some("Key")
+                                set_title: Some("Key"),
+                                set_factory: Some(&factory_key)
                             },
                             append_column = &gtk::ColumnViewColumn {
                                 set_title: Some("Tags"),
@@ -117,10 +119,20 @@ impl SimpleComponent for AppModel {
             item.set_child(Some(&cell))
         });
 
+        let factory_key = gtk::SignalListItemFactory::new();
+        factory_key.connect_bind(move |_factory, item| {
+            let item = item.downcast_ref::<gtk::ListItem>().unwrap();
+            let obj = item.item().and_downcast::<BoxedAnyObject>().unwrap();
+            let sample: Ref<Sample> = obj.borrow();
+            let cell = gtk::Label::new(Some(&sample.key.to_string()));
+            cell.set_halign(gtk::Align::Start);
+            item.set_child(Some(&cell))
+        });
+
         let samples = gtk::gio::ListStore::new(gtk::glib::types::Type::OBJECT);
-        let sample_a = BoxedAnyObject::new(Sample{name: "01 MOOLOO-108 bpm a.wav".to_string(), bpm: 108.0});
+        let sample_a = BoxedAnyObject::new(Sample{name: "01 MOOLOO-108 bpm a.wav".to_string(), bpm: 108.0, key: "A".to_string()});
         samples.append(&sample_a);
-        let sample_b = BoxedAnyObject::new(Sample{name: "03 FAST AND FURIOUS-144.3 bpm a.wav".to_string(), bpm: 144.3});
+        let sample_b = BoxedAnyObject::new(Sample{name: "03 FAST AND FURIOUS-144.3 bpm a.wav".to_string(), bpm: 144.3, key: "A".to_string()});
         samples.append(&sample_b);
 
         let samples = gtk::MultiSelection::new(Some(samples));
@@ -130,6 +142,7 @@ impl SimpleComponent for AppModel {
             collections: FactoryVecDeque::new(gtk::ListBox::default(), sender.input_sender()),
         };
 
+        model.collections.guard().push_back("All".to_string());
         model.collections.guard().push_back("Tape808 & Tape909".to_string());
         model.collections.guard().push_back("Zero-G Planet of The Breaks".to_string());