Implement theme styling for PickList and Menu

pure/src/widget/pick_list.rs

@@ -1,6 +1,4 @@
 //! Display a dropdown list of selectable values.
-use crate::widget::container;
-use crate::widget::scrollable;
 use crate::widget::tree::{self, Tree};
 use crate::{Element, Widget};
 
@@ -17,13 +15,15 @@ use iced_native::{
 
 use std::borrow::Cow;
 
-pub use iced_style::pick_list::{Style, StyleSheet};
+pub use iced_style::pick_list::{Appearance, StyleSheet};
 
 /// A widget for selecting a single value from a list of options.
 #[allow(missing_debug_implementations)]
-pub struct PickList<'a, T, Message, Renderer: text::Renderer>
+pub struct PickList<'a, T, Message, Renderer>
 where
     [T]: ToOwned<Owned = Vec<T>>,
+    Renderer: text::Renderer,
+    Renderer::Theme: StyleSheet,
 {
     on_selected: Box<dyn Fn(T) -> Message + 'a>,
     options: Cow<'a, [T]>,
@@ -33,14 +33,15 @@ where
     padding: Padding,
     text_size: Option<u16>,
     font: Renderer::Font,
-    style_sheet: Box<dyn StyleSheet + 'a>,
+    style: <Renderer::Theme as StyleSheet>::Style,
 }
 
-impl<'a, T: 'a, Message, Renderer: text::Renderer>
-    PickList<'a, T, Message, Renderer>
+impl<'a, T: 'a, Message, Renderer> PickList<'a, T, Message, Renderer>
 where
     T: ToString + Eq,
     [T]: ToOwned<Owned = Vec<T>>,
+    Renderer: text::Renderer,
+    Renderer::Theme: StyleSheet,
 {
     /// The default padding of a [`PickList`].
     pub const DEFAULT_PADDING: Padding = Padding::new(5);
@@ -61,7 +62,7 @@ where
             text_size: None,
             padding: Self::DEFAULT_PADDING,
             font: Default::default(),
-            style_sheet: Default::default(),
+            style: Default::default(),
         }
     }
 
@@ -98,9 +99,9 @@ where
     /// Sets the style of the [`PickList`].
     pub fn style(
         mut self,
-        style_sheet: impl Into<Box<dyn StyleSheet + 'a>>,
+        style: impl Into<<Renderer::Theme as StyleSheet>::Style>,
     ) -> Self {
-        self.style_sheet = style_sheet.into();
+        self.style = style.into();
         self
     }
 }
@@ -112,7 +113,7 @@ where
     [T]: ToOwned<Owned = Vec<T>>,
     Message: 'a,
     Renderer: text::Renderer + 'a,
-    Renderer::Theme: container::StyleSheet + scrollable::StyleSheet,
+    Renderer::Theme: StyleSheet,
 {
     fn tag(&self) -> tree::Tag {
         tree::Tag::of::<pick_list::State<T>>()
@@ -184,7 +185,7 @@ where
         &self,
         _tree: &Tree,
         renderer: &mut Renderer,
-        _theme: &Renderer::Theme,
+        theme: &Renderer::Theme,
         _style: &renderer::Style,
         layout: Layout<'_>,
         cursor_position: Point,
@@ -192,6 +193,7 @@ where
     ) {
         pick_list::draw(
             renderer,
+            theme,
             layout,
             cursor_position,
             self.padding,
@@ -199,7 +201,7 @@ where
             &self.font,
             self.placeholder.as_ref().map(String::as_str),
             self.selected.as_ref(),
-            self.style_sheet.as_ref(),
+            self.style,
         )
     }
 
@@ -218,7 +220,7 @@ where
             self.text_size,
             self.font.clone(),
             &self.options,
-            self.style_sheet.as_ref(),
+            self.style,
         )
     }
 }
@@ -230,7 +232,7 @@ where
     [T]: ToOwned<Owned = Vec<T>>,
     Message: 'a,
     Renderer: text::Renderer + 'a,
-    Renderer::Theme: container::StyleSheet + scrollable::StyleSheet,
+    Renderer::Theme: StyleSheet,
 {
     fn into(self) -> Element<'a, Message, Renderer> {
         Element::new(self)