refactor: general tidy up

fix clippy warnings from latest stable rust

src/bar.rs

@@ -394,8 +394,6 @@ fn setup_module_common_options(container: EventBox, common: CommonConfig) {
     let scroll_down_script = common.on_scroll_down.map(Script::new_polling);
 
     container.connect_scroll_event(move |_, event| {
-        println!("{:?}", event.direction());
-
         let script = match event.direction() {
             ScrollDirection::Up => scroll_up_script.as_ref(),
             ScrollDirection::Down => scroll_down_script.as_ref(),

src/config/mod.rs

@@ -74,7 +74,7 @@ impl Default for BarPosition {
     }
 }
 
-#[derive(Debug, Deserialize, Copy, Clone, PartialEq, Eq)]
+#[derive(Debug, Default, Deserialize, Copy, Clone, PartialEq, Eq)]
 pub struct MarginConfig {
     #[serde(default)]
     pub bottom: i32,
@@ -86,17 +86,6 @@ pub struct MarginConfig {
     pub top: i32,
 }
 
-impl Default for MarginConfig {
-    fn default() -> Self {
-        MarginConfig {
-            bottom: 0,
-            left: 0,
-            right: 0,
-            top: 0,
-        }
-    }
-}
-
 #[derive(Debug, Deserialize, Clone)]
 pub struct Config {
     #[serde(default)]

src/image/provider.rs

@@ -132,16 +132,16 @@ impl<'a> ImageProvider<'a> {
                 });
             }
         } else {
-            self.load_into_image_sync(image)?;
+            self.load_into_image_sync(&image)?;
         };
 
         #[cfg(not(feature = "http"))]
-        self.load_into_image_sync(image)?;
+        self.load_into_image_sync(&image)?;
 
         Ok(())
     }
 
-    fn load_into_image_sync(&self, image: gtk::Image) -> Result<()> {
+    fn load_into_image_sync(&self, image: &gtk::Image) -> Result<()> {
         let pixbuf = match &self.location {
             ImageLocation::Icon { name, theme } => self.get_from_icon(name, theme),
             ImageLocation::Local(path) => self.get_from_file(path),

src/modules/launcher/mod.rs

@@ -110,9 +110,9 @@ impl Module<gtk::Box> for LauncherModule {
                 let wl = wayland::get_client().await;
                 let open_windows = read_lock!(wl.toplevels);
 
-                let mut items = lock!(items);
-
-                for (_, (window, _)) in open_windows.clone() {
+                let open_windows = open_windows.clone();
+                for (_, (window, _)) in open_windows {
+                    let mut items = lock!(items);
                     let item = items.get_mut(&window.app_id);
                     match item {
                         Some(item) => {
@@ -124,6 +124,7 @@ impl Module<gtk::Box> for LauncherModule {
                     }
                 }
 
+                let items = lock!(items);
                 let items = items.iter();
                 for (_, item) in items {
                     tx.try_send(ModuleUpdateEvent::Update(LauncherUpdate::AddItem(
@@ -281,7 +282,7 @@ impl Module<gtk::Box> for LauncherModule {
                         ItemEvent::FocusItem(app_id) => items
                             .get(&app_id)
                             .and_then(|item| item.windows.first().map(|(_, win)| win.id)),
-                        ItemEvent::FocusWindow(id) => Some(id),
+                        ItemEvent::FocusWindow(id) => Some(id), // FIXME: Broken on wlroots-git
                         ItemEvent::OpenItem(_) => unreachable!(),
                     };
 
@@ -292,6 +293,9 @@ impl Module<gtk::Box> for LauncherModule {
                             handle.activate(seat);
                         };
                     }
+
+                    // roundtrip to immediately send activate event
+                    wl.roundtrip();
                 }
             }
         });

src/modules/sysinfo.rs

@@ -361,16 +361,19 @@ fn refresh_system_tokens(format_info: &mut HashMap<String, String>, sys: &System
     // no refresh required for these tokens
 
     let load_average = sys.load_average();
-    format_info.insert(String::from("load_average:1"), load_average.one.to_string());
+    format_info.insert(
+        String::from("load_average:1"),
+        format!("{:.2}", load_average.one),
+    );
 
     format_info.insert(
         String::from("load_average:5"),
-        load_average.five.to_string(),
+        format!("{:.2}", load_average.five),
     );
 
     format_info.insert(
         String::from("load_average:15"),
-        load_average.fifteen.to_string(),
+        format!("{:.2}", load_average.fifteen),
     );
 
     let uptime = Duration::from_secs(sys.uptime()).as_secs();