Implement `Widget::draw` for `Rule`

1 files changed, 63 insertions, 24 deletions

diff --git a/native/src/widget/rule.rs b/native/src/widget/rule.rs
index 24c4a51a..f0d50006 100644
--- a/native/src/widget/rule.rs
+++ b/native/src/widget/rule.rs
@@ -1,27 +1,32 @@
 //! Display a horizontal or vertical rule for dividing content.
 use crate::layout;
 use crate::renderer;
-use crate::{Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget};
+use crate::{
+    Background, Color, Element, Hasher, Layout, Length, Point, Rectangle, Size,
+    Widget,
+};
 
 use std::hash::Hash;
 
+pub use iced_style::rule::{FillMode, Style, StyleSheet};
+
 /// Display a horizontal or vertical rule for dividing content.
-#[derive(Debug, Copy, Clone)]
-pub struct Rule<Renderer: self::Renderer> {
+#[allow(missing_debug_implementations)]
+pub struct Rule {
     width: Length,
     height: Length,
-    style: Renderer::Style,
     is_horizontal: bool,
+    style_sheet: Box<dyn StyleSheet>,
 }
 
-impl<Renderer: self::Renderer> Rule<Renderer> {
+impl Rule {
     /// Creates a horizontal [`Rule`] for dividing content by the given vertical spacing.
     pub fn horizontal(spacing: u16) -> Self {
         Rule {
             width: Length::Fill,
             height: Length::from(Length::Units(spacing)),
-            style: Renderer::Style::default(),
             is_horizontal: true,
+            style_sheet: Default::default(),
         }
     }
 
@@ -30,21 +35,24 @@ impl<Renderer: self::Renderer> Rule<Renderer> {
         Rule {
             width: Length::from(Length::Units(spacing)),
             height: Length::Fill,
-            style: Renderer::Style::default(),
             is_horizontal: false,
+            style_sheet: Default::default(),
         }
     }
 
     /// Sets the style of the [`Rule`].
-    pub fn style(mut self, style: impl Into<Renderer::Style>) -> Self {
-        self.style = style.into();
+    pub fn style(
+        mut self,
+        style_sheet: impl Into<Box<dyn StyleSheet>>,
+    ) -> Self {
+        self.style_sheet = style_sheet.into();
         self
     }
 }
 
-impl<Message, Renderer> Widget<Message, Renderer> for Rule<Renderer>
+impl<Message, Renderer> Widget<Message, Renderer> for Rule
 where
-    Renderer: self::Renderer,
+    Renderer: crate::Renderer,
 {
     fn width(&self) -> Length {
         self.width
@@ -67,13 +75,51 @@ where
     fn draw(
         &self,
         renderer: &mut Renderer,
-        style: &renderer::Style,
+        _style: &renderer::Style,
         layout: Layout<'_>,
         _cursor_position: Point,
         _viewport: &Rectangle,
     ) {
-        // TODO
-        // renderer.draw(layout.bounds(), &self.style, self.is_horizontal)
+        let bounds = layout.bounds();
+        let style = self.style_sheet.style();
+
+        let bounds = if self.is_horizontal {
+            let line_y = (bounds.y + (bounds.height / 2.0)
+                - (style.width as f32 / 2.0))
+                .round();
+
+            let (offset, line_width) = style.fill_mode.fill(bounds.width);
+            let line_x = bounds.x + offset;
+
+            Rectangle {
+                x: line_x,
+                y: line_y,
+                width: line_width,
+                height: style.width as f32,
+            }
+        } else {
+            let line_x = (bounds.x + (bounds.width / 2.0)
+                - (style.width as f32 / 2.0))
+                .round();
+
+            let (offset, line_height) = style.fill_mode.fill(bounds.height);
+            let line_y = bounds.y + offset;
+
+            Rectangle {
+                x: line_x,
+                y: line_y,
+                width: style.width as f32,
+                height: line_height,
+            }
+        };
+
+        renderer.fill_rectangle(renderer::Quad {
+            bounds,
+            background: Background::Color(style.color),
+            border_radius: style.radius,
+            border_width: 0.0,
+            border_color: Color::TRANSPARENT,
+        });
     }
 
     fn hash_layout(&self, state: &mut Hasher) {
@@ -85,19 +131,12 @@ where
     }
 }
 
-/// The renderer of a [`Rule`].
-pub trait Renderer: crate::Renderer {
-    /// The style supported by this renderer.
-    type Style: Default;
-}
-
-impl<'a, Message, Renderer> From<Rule<Renderer>>
-    for Element<'a, Message, Renderer>
+impl<'a, Message, Renderer> From<Rule> for Element<'a, Message, Renderer>
 where
-    Renderer: 'a + self::Renderer,
+    Renderer: 'a + crate::Renderer,
     Message: 'a,
 {
-    fn from(rule: Rule<Renderer>) -> Element<'a, Message, Renderer> {
+    fn from(rule: Rule) -> Element<'a, Message, Renderer> {
         Element::new(rule)
     }
 }