1 files changed, 78 insertions, 0 deletions
diff --git a/graphics/src/widget/container.rs b/graphics/src/widget/container.rs
new file mode 100644
index 00000000..aae3e1d8
--- /dev/null
+++ b/graphics/src/widget/container.rs
@@ -0,0 +1,78 @@
+//! Decorate content and apply alignment.
+use crate::container;
+use crate::defaults::{self, Defaults};
+use crate::{Backend, Primitive, Renderer};
+use iced_native::{Background, Color, Element, Layout, Point, Rectangle};
+
+pub use iced_style::container::{Style, StyleSheet};
+
+/// An element decorating some content.
+///
+/// This is an alias of an `iced_native` container with a default
+/// `Renderer`.
+pub type Container<'a, Message, Backend> =
+    iced_native::Container<'a, Message, Renderer<Backend>>;
+
+impl<B> iced_native::container::Renderer for Renderer<B>
+where
+    B: Backend,
+{
+    type Style = Box<dyn container::StyleSheet>;
+
+    fn draw<Message>(
+        &mut self,
+        defaults: &Defaults,
+        bounds: Rectangle,
+        cursor_position: Point,
+        viewport: &Rectangle,
+        style_sheet: &Self::Style,
+        content: &Element<'_, Message, Self>,
+        content_layout: Layout<'_>,
+    ) -> Self::Output {
+        let style = style_sheet.style();
+
+        let defaults = Defaults {
+            text: defaults::Text {
+                color: style.text_color.unwrap_or(defaults.text.color),
+            },
+        };
+
+        let (content, mouse_interaction) = content.draw(
+            self,
+            &defaults,
+            content_layout,
+            cursor_position,
+            viewport,
+        );
+
+        if let Some(background) = background(bounds, &style) {
+            (
+                Primitive::Group {
+                    primitives: vec![background, content],
+                },
+                mouse_interaction,
+            )
+        } else {
+            (content, mouse_interaction)
+        }
+    }
+}
+
+pub(crate) fn background(
+    bounds: Rectangle,
+    style: &container::Style,
+) -> Option<Primitive> {
+    if style.background.is_some() || style.border_width > 0.0 {
+        Some(Primitive::Quad {
+            bounds,
+            background: style
+                .background
+                .unwrap_or(Background::Color(Color::TRANSPARENT)),
+            border_radius: style.border_radius,
+            border_width: style.border_width,
+            border_color: style.border_color,
+        })
+    } else {
+        None
+    }
+}