slop 2

flake.lock

@@ -53,7 +53,28 @@
       "inputs": {
         "crane": "crane",
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1788165049,
+        "narHash": "sha256-en4IoUeCqvq9F66YhwOrUFw1nc70OBhrJwrzfalezvY=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "d03cd474bd97389dcc2e8cd3b3bb6b8c6e346b1a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
       }
     },
     "systems": {

flake.nix

@@ -7,6 +7,11 @@
     crane.url = "github:ipetkov/crane";
 
     flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
   };
 
   outputs =
@@ -16,13 +21,25 @@
       crane,
       flake-utils,
       ...
-    }:
+    }@inputs:
     flake-utils.lib.eachDefaultSystem (
       system:
       let
-        pkgs = nixpkgs.legacyPackages.${system};
+        pkgs = import inputs.nixpkgs {
+          inherit system;
+          overlays = [ (import inputs.rust-overlay) ];
+        };
 
-        craneLib = crane.mkLib pkgs;
+        craneLib = (inputs.crane.mkLib pkgs).overrideToolchain (
+          p:
+          p.rust-bin.nightly.latest.default.override {
+            extensions = [
+              "rustc-codegen-cranelift-preview"
+              "rust-analyzer"
+              "rust-src"
+            ];
+          }
+        );
 
         # Runtime/shared libraries required by iced/iced_layershell/winit.
         # winit dlopens libwayland at runtime, so these must be on
@@ -46,7 +63,8 @@
           # git-initialized, so cleanCargoSource would otherwise copy target/).
           src = pkgs.lib.cleanSourceWith {
             src = ./.;
-            filter = path: type:
+            filter =
+              path: type:
               let
                 base = baseNameOf (toString path);
               in

src/main.rs

@@ -12,7 +12,7 @@ use iced::widget::{column, container, mouse_area, text};
 use iced::{window, Alignment, Element, Length, Rectangle, Task, Theme};
 use iced_layershell::daemon;
 use iced_layershell::reexport::{Anchor, PopupAnchor, PopupGravity};
-use iced_layershell::settings::{LayerShellSettings, StartMode, Settings};
+use iced_layershell::settings::{LayerShellSettings, Settings, StartMode};
 use iced_layershell::to_layer_message;
 
 /// Height of the bar in logical pixels.
@@ -208,7 +208,10 @@ fn capture_bounds(module: Module) -> Task<Message> {
     }
 
     impl advanced_widget::Operation<Rectangle> for FindBounds {
-        fn traverse(&mut self, operate: &mut dyn FnMut(&mut dyn advanced_widget::Operation<Rectangle>)) {
+        fn traverse(
+            &mut self,
+            operate: &mut dyn FnMut(&mut dyn advanced_widget::Operation<Rectangle>),
+        ) {
             // Delegate traversal so widgets can visit their children; the
             // container id is matched in `container` above.
             operate(self);
@@ -264,10 +267,14 @@ fn bar_view(_bar: &Bar) -> Element<'static, Message> {
         }
     }
 
-    container(column(children).width(Length::Fill).align_x(Alignment::Center))
-        .padding(8)
-        .align_x(Alignment::Center)
-        .into()
+    container(
+        column(children)
+            .width(Length::Fill)
+            .align_x(Alignment::Center),
+    )
+    .padding(8)
+    .align_x(Alignment::Center)
+    .into()
 }
 
 /// Standalone button wrapped in MouseArea for click capture. The container
@@ -309,8 +316,7 @@ fn popup_view<'a>(bar: &'a Bar) -> Element<'a, Message> {
             .width(Length::Fill)
             .align_x(Alignment::Center),
         column(items).spacing(1),
-        mouse_area(text("close").size(12))
-            .on_press(Message::ClosePopup(popup_id)),
+        mouse_area(text("close").size(12)).on_press(Message::ClosePopup(popup_id)),
     ]
     .spacing(1)
     .into()