widget Rule added

graphics/src/widget.rs

@@ -15,6 +15,7 @@ pub mod pane_grid;
 pub mod pick_list;
 pub mod progress_bar;
 pub mod radio;
+pub mod rule;
 pub mod scrollable;
 pub mod slider;
 pub mod svg;
@@ -40,6 +41,8 @@ pub use progress_bar::ProgressBar;
 #[doc(no_inline)]
 pub use radio::Radio;
 #[doc(no_inline)]
+pub use rule::Rule;
+#[doc(no_inline)]
 pub use scrollable::Scrollable;
 #[doc(no_inline)]
 pub use slider::Slider;

graphics/src/widget/rule.rs

@@ -0,0 +1,89 @@
+//! Display a horizontal or vertical rule for dividing content.
+
+use crate::{Backend, Primitive, Renderer};
+use iced_native::mouse;
+use iced_native::rule;
+use iced_native::{Background, Color, Rectangle};
+
+pub use iced_style::rule::{Style, StyleSheet};
+
+/// Display a horizontal or vertical rule for dividing content.
+///
+/// This is an alias of an `iced_native` rule with an `iced_graphics::Renderer`.
+pub type Rule<Backend> = iced_native::Rule<Renderer<Backend>>;
+
+impl<B> rule::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn StyleSheet>;
+
+    fn draw(
+        &mut self,
+        bounds: Rectangle,
+        style_sheet: &Self::Style,
+        is_horizontal: bool,
+    ) -> Self::Output {
+        let style = style_sheet.style();
+
+        let line = if is_horizontal {
+            let line_y = (bounds.y + (bounds.height / 2.0)
+                - (style.width as f32 / 2.0))
+                .round();
+
+            let (line_x, line_width) = if style.fill_percent >= 100 {
+                (bounds.x, bounds.width)
+            } else {
+                let percent_width =
+                    (bounds.width * style.fill_percent as f32 / 100.0).round();
+                (
+                    bounds.x + ((bounds.width - percent_width) / 2.0).round(),
+                    percent_width,
+                )
+            };
+
+            Primitive::Quad {
+                bounds: Rectangle {
+                    x: line_x,
+                    y: line_y,
+                    width: line_width,
+                    height: style.width as f32,
+                },
+                background: Background::Color(style.color),
+                border_radius: style.radius,
+                border_width: 0,
+                border_color: Color::TRANSPARENT,
+            }
+        } else {
+            let line_x = (bounds.x + (bounds.width / 2.0)
+                - (style.width as f32 / 2.0))
+                .round();
+
+            let (line_y, line_height) = if style.fill_percent >= 100 {
+                (bounds.y, bounds.height)
+            } else {
+                let percent_height =
+                    (bounds.height * style.fill_percent as f32 / 100.0).round();
+                (
+                    bounds.y + ((bounds.height - percent_height) / 2.0).round(),
+                    percent_height,
+                )
+            };
+
+            Primitive::Quad {
+                bounds: Rectangle {
+                    x: line_x,
+                    y: line_y,
+                    width: style.width as f32,
+                    height: line_height,
+                },
+                background: Background::Color(style.color),
+                border_radius: style.radius,
+                border_width: 0,
+                border_color: Color::TRANSPARENT,
+            }
+        };
+
+        (line, mouse::Interaction::default())
+    }
+}