clippy fixes

src/keyboard_nav.rs

@@ -6,7 +6,7 @@
 use iced::{
     event,
     keyboard::{self, KeyCode},
-    mouse, subscription, Command, Event, Subscription,
+    mouse, Command, Event, Subscription,
 };
 use iced_core::{
     widget::{operation, Id, Operation},

src/widget/dropdown/menu/mod.rs

@@ -209,7 +209,7 @@ impl<'a, Message> iced_core::Overlay<Message, crate::Renderer> for Overlay<'a, M
         )
         .width(self.width);
 
-        let mut node = self.container.layout(&mut self.state, renderer, &limits);
+        let mut node = self.container.layout(self.state, renderer, &limits);
 
         node.move_to(if space_below > space_above {
             position + Vector::new(0.0, self.target_height)

src/widget/dropdown/widget.rs

@@ -413,13 +413,13 @@ pub fn mouse_interaction(layout: Layout<'_>, cursor: mouse::Cursor) -> mouse::In
 #[allow(clippy::too_many_arguments)]
 pub fn overlay<'a, S: AsRef<str>, Message: 'a>(
     layout: Layout<'_>,
-    renderer: &crate::Renderer,
+    _renderer: &crate::Renderer,
     state: &'a mut State,
     gap: f32,
     padding: Padding,
     text_size: f32,
-    text_line_height: text::LineHeight,
-    font: Option<crate::font::Font>,
+    _text_line_height: text::LineHeight,
+    _font: Option<crate::font::Font>,
     selections: &'a [S],
     selected_option: Option<usize>,
     on_selected: &'a dyn Fn(usize) -> Message,
@@ -440,7 +440,7 @@ pub fn overlay<'a, S: AsRef<str>, Message: 'a>(
             None,
         )
         .width({
-            let measure = |label: &str, selection_paragraph: &mut crate::Paragraph| -> f32 {
+            let measure = |_label: &str, selection_paragraph: &mut crate::Paragraph| -> f32 {
                 selection_paragraph.min_width().round()
             };
 

src/widget/flex_row/layout.rs

@@ -28,7 +28,7 @@ pub fn resolve<Message>(
 
     let mut row_buffer = Vec::<Node>::with_capacity(8);
 
-    for (child, tree) in items.iter().zip(tree.into_iter()) {
+    for (child, tree) in items.iter().zip(tree.iter_mut()) {
         // Calculate the dimensions of the item.
         let child_node = child.as_widget().layout(tree, renderer, &limits);
         let size = child_node.size();

src/widget/menu/menu_inner.rs

@@ -478,7 +478,7 @@ where
                 let active_tree = &mut tree_children[active_root];
                 state.menu_states.iter().enumerate().fold(
                     (root, Vec::new()),
-                    |(menu_root, mut nodes), (i, ms)| {
+                    |(menu_root, mut nodes), (_i, ms)| {
                         let slice = ms.slice(bounds, overlay_offset, self.item_height);
                         let start_index = slice.start_index;
                         let end_index = slice.end_index;

src/widget/segmented_button/widget.rs

@@ -226,7 +226,7 @@ where
         &self,
         state: &mut LocalState,
         renderer: &Renderer,
-        bounds: Size,
+        _bounds: Size,
     ) -> (f32, f32) {
         let mut width = 0.0f32;
         let mut height = 0.0f32;

src/widget/text_input/input.rs

@@ -196,7 +196,6 @@ pub struct TextInput<'a, Message> {
     leading_icon: Option<Element<'a, Message, crate::Renderer>>,
     trailing_icon: Option<Element<'a, Message, crate::Renderer>>,
     style: <<crate::Renderer as iced_core::Renderer>::Theme as StyleSheet>::Style,
-    // (text_input::State, mime_type, dnd_action) -> Message
     on_create_dnd_source: Option<Box<dyn Fn(State) -> Message + 'a>>,
     on_dnd_command_produced: Option<Box<dyn Fn(DnDCommand) -> Message + 'a>>,
     surface_ids: Option<(window::Id, window::Id)>,
@@ -1074,10 +1073,10 @@ pub fn update<'a, Message>(
     on_paste: Option<&dyn Fn(String) -> Message>,
     on_submit: &Option<Message>,
     state: impl FnOnce() -> &'a mut State,
-    on_start_dnd_source: Option<&dyn Fn(State) -> Message>,
-    _dnd_icon: bool,
-    on_dnd_command_produced: Option<&dyn Fn(DnDCommand) -> Message>,
-    surface_ids: Option<(window::Id, window::Id)>,
+    #[allow(unused_variables)] on_start_dnd_source: Option<&dyn Fn(State) -> Message>,
+    #[allow(unused_variables)] dnd_icon: bool,
+    #[allow(unused_variables)] on_dnd_command_produced: Option<&dyn Fn(DnDCommand) -> Message>,
+    #[allow(unused_variables)] surface_ids: Option<(window::Id, window::Id)>,
     line_height: text::LineHeight,
     layout: Layout<'_>,
 ) -> event::Status
@@ -1203,7 +1202,7 @@ where
                                     find_cursor_position(
                                         text_layout.bounds(),
                                         &value,
-                                        &state,
+                                        state,
                                         target,
                                     )
                                 } else {
@@ -2156,6 +2155,7 @@ pub struct State {
     pub label: crate::Paragraph,
     is_focused: Option<Focus>,
     dragging_state: Option<DraggingState>,
+    #[cfg(feature = "wayland")]
     dnd_offer: DndOfferState,
     is_pasting: Option<Value>,
     last_click: Option<mouse::Click>,
@@ -2209,7 +2209,7 @@ impl State {
 
             is_focused: None,
             dragging_state: None,
-            #[allow(clippy::default_constructed_unit_structs)]
+            #[cfg(feature = "wayland")]
             dnd_offer: DndOfferState::default(),
             is_pasting: None,
             last_click: None,