Fix clippy lints

Author: GuillaumeGomez

examples/cairo_threads/main.rs

@@ -87,7 +87,7 @@ fn build_ui(application: &gtk::Application) {
                 // Draw an arc with a weirdly calculated radius
                 image.with_surface(|surface| {
                     let cr = Context::new(surface).expect("Can't create a Cairo context");
-                    draw_slow(&cr, delay, x, y, 1.2_f64.powi(((n as i32) << thread_num) % 32));
+                    draw_slow(&cr, delay, x, y, 1.2_f64.powi((n << thread_num) % 32));
                     surface.flush();
                 });
 

examples/communication_thread/main.rs

@@ -49,8 +49,8 @@ fn start_communication_thread(mut sender: mpsc::Sender<String>) {
         loop {
             // Instead of a counter, your application code will
             // block here on TCP or serial communications.
-            let data = format!("Counter = {}!", counter);
-            println!("Thread received data: {}", data);
+            let data = format!("Counter = {counter}!");
+            println!("Thread received data: {data}");
             match sender.try_send(data) {
                 Ok(_) => {}
                 Err(err) => {

examples/dialog_async/main.rs

@@ -50,7 +50,7 @@ async fn dialog<W: IsA<gtk::Window>>(window: W) {
         .modal(true)
         .buttons(gtk::ButtonsType::Close)
         .text("You answered")
-        .secondary_text(&format!("Your answer: {:?}", answer))
+        .secondary_text(&format!("Your answer: {answer:?}"))
         .build();
 
     info_dialog.run_future().await;

examples/gtk_builder_signal/main.rs

@@ -30,7 +30,7 @@ fn build_ui(application: &gtk::Application) {
                 }),
             )
         } else {
-            panic!("Unknown handler name {}", handler_name)
+            panic!("Unknown handler name {handler_name}")
         }
     });
 

examples/gtk_test/main.rs

@@ -34,15 +34,15 @@ fn build_ui(application: &gtk::Application) {
     let scale: Scale = builder.object("scale").expect("Couldn't get scale");
     scale.connect_format_value(|scale, value| {
         let digits = scale.digits() as usize;
-        format!("<{:.*}>", digits, value)
+        format!("<{value:.digits$}>")
     });
 
     let spin_button: SpinButton = builder
         .object("spin_button")
         .expect("Couldn't get spin_button");
     spin_button.connect_input(|spin_button| {
         let text = spin_button.text();
-        println!("spin_button_input: \"{}\"", text);
+        println!("spin_button_input: \"{text}\"");
         match text.parse::<f64>() {
             Ok(value) if value >= 90. => {
                 println!("circular right");
@@ -72,7 +72,7 @@ fn build_ui(application: &gtk::Application) {
                                                 ("Custom", ResponseType::Other(0))]);
 
         dialog.connect_response(glib::clone!(@weak entry => move |dialog, response| {
-            entry.set_text(&format!("Clicked {}", response));
+            entry.set_text(&format!("Clicked {response}"));
             dialog.close();
         }));
         dialog.show_all();
@@ -119,7 +119,7 @@ fn build_ui(application: &gtk::Application) {
         dialog.connect_response(|dialog, response| {
             if response == ResponseType::Ok {
                 let files = dialog.filenames();
-                println!("Files: {:?}", files);
+                println!("Files: {files:?}");
             }
             dialog.close();
         });
@@ -159,7 +159,7 @@ fn build_ui(application: &gtk::Application) {
             let keyval = key.keyval();
             let keystate = key.state();
 
-            println!("key pressed: {} / {:?}", keyval, keystate);
+            println!("key pressed: {keyval} / {keystate:?}");
             println!("text: {}", entry.text());
 
             if keystate.intersects(gdk::ModifierType::CONTROL_MASK) {

examples/icon_view/main.rs

@@ -84,7 +84,7 @@ fn create_list_store_model() -> gtk::ListStore {
                     );
                 }
                 Err(err) => {
-                    println!("Error: {}", err);
+                    println!("Error: {err}");
                     process::exit(1);
                 }
             }

examples/list_box_model/main.rs

@@ -178,7 +178,7 @@ fn build_ui(application: &gtk::Application) {
     window.add(&vbox);
 
     for i in 0..10 {
-        model.append(&RowData::new(&format!("Name {}", i), i * 10));
+        model.append(&RowData::new(&format!("Name {i}"), i * 10));
     }
 
     window.show_all();

examples/multi_threading_context/main.rs

@@ -35,7 +35,7 @@ fn build_ui(application: &gtk::Application) {
             // do long work
             thread::sleep(Duration::from_millis(50));
             // send result to channel
-            tx.send(format!("#{} Text from another thread.", i))
+            tx.send(format!("#{i} Text from another thread."))
                 .expect("Couldn't send data to channel");
             // receiver will be run on the main thread
         }

examples/multi_window/main.rs

@@ -104,10 +104,10 @@ fn create_sub_window(
         }),
     );
 
-    let button = gtk::Button::with_label(&format!("Notify main window with id {}!", id));
+    let button = gtk::Button::with_label(&format!("Notify main window with id {id}!"));
     button.connect_clicked(glib::clone!(@weak main_window_entry => move |_| {
         // When the button is clicked, let's write it on the main window's entry!
-        main_window_entry.buffer().set_text(&format!("sub window {} clicked", id));
+        main_window_entry.buffer().set_text(&format!("sub window {id} clicked"));
     }));
     window.add(&button);
 

examples/notebook/main.rs

@@ -25,7 +25,7 @@ fn build_ui(application: &gtk::Application) {
     let mut notebook = Notebook::new();
 
     for i in 1..4 {
-        let title = format!("sheet {}", i);
+        let title = format!("sheet {i}");
         let label = gtk::Label::new(Some(&*title));
         notebook.create_tab(&title, label.upcast());
     }