Implement Checkbox in iced_pure

native/src/widget/checkbox.rs

@@ -36,7 +36,7 @@ pub use iced_style::checkbox::{Style, StyleSheet};
 #[allow(missing_debug_implementations)]
 pub struct Checkbox<'a, Message, Renderer: text::Renderer> {
     is_checked: bool,
-    on_toggle: Box<dyn Fn(bool) -> Message>,
+    on_toggle: Box<dyn Fn(bool) -> Message + 'a>,
     label: String,
     width: Length,
     size: u16,
@@ -63,7 +63,7 @@ impl<'a, Message, Renderer: text::Renderer> Checkbox<'a, Message, Renderer> {
     ///     `Message`.
     pub fn new<F>(is_checked: bool, label: impl Into<String>, f: F) -> Self
     where
-        F: 'static + Fn(bool) -> Message,
+        F: 'a + Fn(bool) -> Message,
     {
         Checkbox {
             is_checked,

pure/src/widget.rs

@@ -1,4 +1,5 @@
 mod button;
+mod checkbox;
 mod column;
 mod container;
 mod element;
@@ -7,6 +8,7 @@ mod text;
 mod tree;
 
 pub use button::Button;
+pub use checkbox::Checkbox;
 pub use column::Column;
 pub use container::Container;
 pub use element::Element;
@@ -105,3 +107,14 @@ where
 {
     Text::new(text)
 }
+
+pub fn checkbox<'a, Message, Renderer>(
+    label: impl Into<String>,
+    is_checked: bool,
+    f: impl Fn(bool) -> Message + 'a,
+) -> Checkbox<'a, Message, Renderer>
+where
+    Renderer: iced_native::text::Renderer,
+{
+    Checkbox::new(is_checked, label, f)
+}

pure/src/widget/checkbox.rs

@@ -0,0 +1,82 @@
+use crate::{Element, Tree, Widget};
+
+use iced_native::layout::{self, Layout};
+use iced_native::renderer;
+use iced_native::text;
+use iced_native::{Hasher, Length, Point, Rectangle};
+
+use std::any::{self, Any};
+
+pub use iced_native::widget::Checkbox;
+
+impl<'a, Message, Renderer> Widget<Message, Renderer>
+    for Checkbox<'a, Message, Renderer>
+where
+    Renderer: text::Renderer,
+{
+    fn tag(&self) -> any::TypeId {
+        any::TypeId::of::<()>()
+    }
+
+    fn state(&self) -> Box<dyn Any> {
+        Box::new(())
+    }
+
+    fn children(&self) -> &[Element<Message, Renderer>] {
+        &[]
+    }
+
+    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 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 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 Checkbox<'a, Message, Renderer>
+where
+    Message: 'a,
+    Renderer: text::Renderer + 'a,
+{
+    fn into(self) -> Element<'a, Message, Renderer> {
+        Element::new(self)
+    }
+}