Implement Radio in iced_pure

native/src/widget/radio.rs

@@ -81,7 +81,7 @@ where
     ) -> Self
     where
         V: Eq + Copy,
-        F: 'static + Fn(V) -> Message,
+        F: FnOnce(V) -> Message,
     {
         Radio {
             is_selected: Some(value) == selected,

pure/src/widget.rs

@@ -5,6 +5,7 @@ mod checkbox;
 mod column;
 mod container;
 mod element;
+mod radio;
 mod row;
 mod scrollable;
 mod slider;
@@ -19,6 +20,7 @@ pub use column::Column;
 pub use container::Container;
 pub use element::Element;
 pub use image::Image;
+pub use radio::Radio;
 pub use row::Row;
 pub use scrollable::Scrollable;
 pub use slider::Slider;
@@ -141,6 +143,20 @@ where
     Checkbox::new(is_checked, label, f)
 }
 
+pub fn radio<'a, Message, Renderer, V>(
+    label: impl Into<String>,
+    value: V,
+    selected: Option<V>,
+    on_click: impl FnOnce(V) -> Message,
+) -> Radio<'a, Message, Renderer>
+where
+    Message: Clone,
+    Renderer: iced_native::text::Renderer,
+    V: Copy + Eq,
+{
+    Radio::new(value, label, selected, on_click)
+}
+
 pub fn toggler<'a, Message, Renderer>(
     label: impl Into<Option<String>>,
     is_checked: bool,

pure/src/widget/radio.rs

@@ -0,0 +1,125 @@
+use crate::{Element, Tree, Widget};
+
+use iced_native::event::{self, Event};
+use iced_native::layout::{self, Layout};
+use iced_native::mouse;
+use iced_native::renderer;
+use iced_native::text;
+use iced_native::{Clipboard, Hasher, Length, Point, Rectangle, Shell};
+
+use std::any::{self, Any};
+
+pub use iced_native::widget::Radio;
+
+impl<'a, Message, Renderer> Widget<Message, Renderer>
+    for Radio<'a, Message, Renderer>
+where
+    Message: Clone,
+    Renderer: text::Renderer,
+{
+    fn tag(&self) -> any::TypeId {
+        any::TypeId::of::<()>()
+    }
+
+    fn state(&self) -> Box<dyn Any> {
+        Box::new(())
+    }
+
+    fn diff(&self, _tree: &mut Tree) {}
+
+    fn children_state(&self) -> Vec<Tree> {
+        Vec::new()
+    }
+
+    fn width(&self) -> Length {
+        <Self as iced_native::Widget<Message, Renderer>>::width(self)
+    }
+
+    fn height(&self) -> Length {
+        <Self as iced_native::Widget<Message, Renderer>>::height(self)
+    }
+
+    fn layout(
+        &self,
+        renderer: &Renderer,
+        limits: &layout::Limits,
+    ) -> layout::Node {
+        <Self as iced_native::Widget<Message, Renderer>>::layout(
+            self, renderer, limits,
+        )
+    }
+
+    fn on_event(
+        &mut self,
+        _state: &mut Tree,
+        event: Event,
+        layout: Layout<'_>,
+        cursor_position: Point,
+        renderer: &Renderer,
+        clipboard: &mut dyn Clipboard,
+        shell: &mut Shell<'_, Message>,
+    ) -> event::Status {
+        <Self as iced_native::Widget<Message, Renderer>>::on_event(
+            self,
+            event,
+            layout,
+            cursor_position,
+            renderer,
+            clipboard,
+            shell,
+        )
+    }
+
+    fn draw(
+        &self,
+        _tree: &Tree,
+        renderer: &mut Renderer,
+        style: &renderer::Style,
+        layout: Layout<'_>,
+        cursor_position: Point,
+        viewport: &Rectangle,
+    ) {
+        <Self as iced_native::Widget<Message, Renderer>>::draw(
+            self,
+            renderer,
+            style,
+            layout,
+            cursor_position,
+            viewport,
+        )
+    }
+
+    fn mouse_interaction(
+        &self,
+        _state: &Tree,
+        layout: Layout<'_>,
+        cursor_position: Point,
+        viewport: &Rectangle,
+        renderer: &Renderer,
+    ) -> mouse::Interaction {
+        <Self as iced_native::Widget<Message, Renderer>>::mouse_interaction(
+            self,
+            layout,
+            cursor_position,
+            viewport,
+            renderer,
+        )
+    }
+
+    fn hash_layout(&self, state: &mut Hasher) {
+        <Self as iced_native::Widget<Message, Renderer>>::hash_layout(
+            self, state,
+        )
+    }
+}
+
+impl<'a, Message, Renderer> Into<Element<'a, Message, Renderer>>
+    for Radio<'a, Message, Renderer>
+where
+    Message: 'a + Clone,
+    Renderer: text::Renderer + 'a,
+{
+    fn into(self) -> Element<'a, Message, Renderer> {
+        Element::new(self)
+    }
+}