yoda: cargo fix --lib across all crates — drop ~115 trivial warnings

Auto-applied suggestions (unused imports, _-prefixed unused params,
redundant mutability) on iced_core, iced_widget, iced_runtime, iced_winit,
iced_wgpu, iced_graphics, iced_tiny_skia. From 170 warnings down to 55.

Leyoda 2026 – GPLv3

widget/src/button.rs

@@ -599,7 +599,7 @@ where
             (x + width) as f64,
             (y + height) as f64,
         );
-        let is_hovered = state.state.downcast_ref::<State>().is_hovered;
+        let _is_hovered = state.state.downcast_ref::<State>().is_hovered;
 
         let mut node = Node::new(Role::Button);
         node.add_action(Action::Focus);

widget/src/checkbox.rs

@@ -536,7 +536,7 @@ where
         };
 
         let bounds = layout.bounds();
-        let is_hovered = cursor.is_over(bounds);
+        let _is_hovered = cursor.is_over(bounds);
         let Rectangle {
             x,
             y,

widget/src/container.rs

@@ -35,7 +35,7 @@ use crate::core::{
     color,
 };
 
-use iced_runtime::{Action, Task, task};
+use iced_runtime::{Task, task};
 
 /// A widget that aligns its contents inside of its boundaries.
 ///

widget/src/image.rs

@@ -293,8 +293,8 @@ fn drawing_bounds<Renderer, Handle>(
     content_fit: ContentFit,
     rotation: Rotation,
     scale: f32,
-    opacity: f32,
-    border_radius: [f32; 4],
+    _opacity: f32,
+    _border_radius: [f32; 4],
 ) -> Rectangle
 where
     Renderer: image::Renderer<Handle = Handle>,

widget/src/keyed/column.rs

@@ -1,7 +1,6 @@
 //! Keyed columns distribute content vertically while keeping continuity.
 //! Distribute content vertically.
 
-use crate::core::event;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::overlay;

widget/src/lazy.rs

@@ -15,7 +15,7 @@ use crate::core::mouse;
 use crate::core::overlay;
 use crate::core::renderer;
 use crate::core::widget::tree::{self, Tree};
-use crate::core::widget::{self, Widget};
+use crate::core::widget::Widget;
 use crate::core::{
     self, Clipboard, Event, Length, Rectangle, Shell, Size, Vector,
 };

widget/src/lazy/component.rs

@@ -527,11 +527,11 @@ where
         renderer: &Renderer,
         dnd_rectangles: &mut core::clipboard::DndDestinationRectangles,
     ) {
-        let mut tree = tree
+        let tree = tree
             .state
             .downcast_ref::<Rc<RefCell<Option<Tree>>>>()
             .borrow_mut();
-        let mut tree = tree.as_ref().unwrap();
+        let tree = tree.as_ref().unwrap();
         self.with_element(|element| {
             element.as_widget().drag_destinations(
                 &tree.children[0],

widget/src/list.rs

@@ -1,5 +1,5 @@
 #![allow(missing_docs)]
-use crate::core::event::{self, Event};
+use crate::core::event::Event;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::overlay;

widget/src/mouse_area.rs

@@ -2,7 +2,6 @@
 
 use iced_renderer::core::mouse::Click;
 
-use crate::core::event;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::overlay;

widget/src/pane_grid/content.rs

@@ -6,7 +6,7 @@ use crate::core::renderer;
 use crate::core::widget::{self, Tree};
 use crate::core::{
     self, Clipboard, Element, Event, Layout, Point, Rectangle, Shell, Size,
-    Vector, event,
+    Vector,
 };
 use crate::pane_grid::{Draggable, TitleBar};
 

widget/src/scrollable.rs

@@ -27,7 +27,6 @@ use iced_runtime::core::widget::Id;
 #[cfg(feature = "a11y")]
 use std::borrow::Cow;
 
-use crate::core::event;
 use crate::core::keyboard;
 use crate::core::layout;
 use crate::core::mouse;
@@ -933,7 +932,7 @@ where
 
                 let had_input_method = shell.input_method().is_enabled();
 
-                let mut c_event = match event.clone() {
+                let c_event = match event.clone() {
                     Event::Dnd(dnd::DndEvent::Offer(
                         id,
                         dnd::OfferEvent::Enter {
@@ -1586,7 +1585,7 @@ where
             return A11yTree::default();
         }
         let window = layout.bounds();
-        let is_hovered = cursor.is_over(window);
+        let _is_hovered = cursor.is_over(window);
         let Rectangle {
             x,
             y,
@@ -1670,7 +1669,7 @@ where
                 }))
             {
                 let scrollbar_bounds = scrollbar.total_bounds;
-                let is_hovered = cursor.is_over(scrollbar_bounds);
+                let _is_hovered = cursor.is_over(scrollbar_bounds);
                 let Rectangle {
                     x,
                     y,

widget/src/slider.rs

@@ -695,7 +695,7 @@ where
         };
 
         let bounds = layout.bounds();
-        let is_hovered = cursor.is_over(bounds);
+        let _is_hovered = cursor.is_over(bounds);
         let Rectangle {
             x,
             y,

widget/src/stack.rs

@@ -1,6 +1,5 @@
 //! Display content on top of other content.
 
-use crate::core::event;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::overlay;

widget/src/svg.rs

@@ -31,7 +31,6 @@ use crate::core::{
 
 #[cfg(feature = "a11y")]
 use std::borrow::Cow;
-use std::marker::PhantomData;
 use std::path::PathBuf;
 
 pub use crate::core::svg::Handle;

widget/src/themer.rs

@@ -1,6 +1,5 @@
 use crate::container;
 
-use crate::core::event;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::overlay;

widget/src/toggler.rs

@@ -37,7 +37,6 @@ use std::borrow::Cow;
 use iced_runtime::core::border::Radius;
 
 use crate::core::alignment;
-use crate::core::border;
 use crate::core::layout;
 use crate::core::mouse;
 use crate::core::renderer;
@@ -509,7 +508,7 @@ where
 
         let space = style.handle_margin;
 
-        let toggler_background_bounds = Rectangle {
+        let _toggler_background_bounds = Rectangle {
             x: bounds.x,
             y: bounds.y,
             width: bounds.width,
@@ -529,7 +528,7 @@ where
             style.background,
         );
 
-        let padding = (style.padding_ratio * bounds.height).round();
+        let _padding = (style.padding_ratio * bounds.height).round();
         let toggler_foreground_bounds = Rectangle {
             x: bounds.x
                 + if self.is_toggled {
@@ -570,7 +569,7 @@ where
         };
 
         let bounds = layout.bounds();
-        let is_hovered = cursor.is_over(bounds);
+        let _is_hovered = cursor.is_over(bounds);
         let Rectangle {
             x,
             y,