fix ui widget alignment, remove add row button, add timer for search request

src/main.rs

@@ -9,34 +9,34 @@ slint::include_modules!();
 
 fn main() -> Result<(), Box<dyn Error>> {
     let ui = AppWindow::new()?;
+    let ui_weak = ui.as_weak();
     let items = Rc::new(VecModel::<StandardListViewItem>::from(Vec::new()));
 
     let items_clone = items.clone();
     ui.on_request_text_input(move |text| {
-        println!("User input: {}", text);
-        let response = rutracker::search(&text);
+        if let Some(ui) = ui_weak.upgrade() {
+            println!("User input: {}", text);
+            let now = std::time::Instant::now();
 
-        let new_items: Vec<StandardListViewItem> = match response {
-            Ok(softwares) => softwares
-                .into_iter()
-                .map(|s| StandardListViewItem::from(s.title.as_str()))
-                .collect(),
+            let response = rutracker::search(&text);
 
-            Err(e) => vec![StandardListViewItem::from(format!("Error: {}", e).as_str())],
-        };
+            let elapsed_time = now.elapsed();
+            println!("Search took {} seconds", elapsed_time.as_secs());
 
-        items_clone.set_vec(new_items);
-    });
+            let new_items: Vec<StandardListViewItem> = match response {
+                Ok(softwares) => softwares
+                    .into_iter()
+                    .map(|s| StandardListViewItem::from(s.title.as_str()))
+                    .collect(),
 
-    let table_model = Rc::new(VecModel::from(Vec::<ModelRc<StandardListViewItem>>::new()));
-    let items_clone = items.clone();
+                Err(e) => vec![StandardListViewItem::from(format!("Error: {}", e).as_str())],
+            };
 
-    ui.set_table_data(table_model.clone().into());
-    ui.on_add_row({
-        move || {
-            for item in items_clone.iter() {
-                table_model.push(ModelRc::new(VecModel::from_slice(&[item.clone()])));
-            }
+            items_clone.set_vec(new_items);
+            let table_model = Rc::new(VecModel::from(Vec::<ModelRc<StandardListViewItem>>::new()));
+
+            ui.set_table_data(table_model.clone().into());
+            add_rows(&items_clone, &table_model);
         }
     });
 
@@ -44,3 +44,19 @@ fn main() -> Result<(), Box<dyn Error>> {
 
     Ok(())
 }
+
+fn add_rows(
+    items: &Rc<VecModel<StandardListViewItem>>,
+    table_model: &Rc<VecModel<ModelRc<StandardListViewItem>>>,
+) {
+    for item in items.iter() {
+        let row = Rc::new(VecModel::from(vec![
+            item.clone(),
+            StandardListViewItem::from("placeholder column 1"),
+            StandardListViewItem::from("placeholder column 2"),
+            StandardListViewItem::from("placeholder column 3"),
+        ]));
+
+        table_model.push(ModelRc::from(row.clone()));
+    }
+}