Implement styling for Checkbox

style/src/checkbox.rs

@@ -0,0 +1,55 @@
+//! Show toggle controls using checkboxes.
+use iced_core::{Background, Color};
+
+/// The appearance of a checkbox.
+#[derive(Debug)]
+pub struct Style {
+    pub background: Background,
+    pub checkmark_color: Color,
+    pub border_radius: u16,
+    pub border_width: u16,
+    pub border_color: Color,
+}
+
+/// A set of rules that dictate the style of a checkbox.
+pub trait StyleSheet {
+    fn active(&self) -> Style;
+
+    fn hovered(&self) -> Style;
+}
+
+struct Default;
+
+impl StyleSheet for Default {
+    fn active(&self) -> Style {
+        Style {
+            background: Background::Color(Color::from_rgb(0.95, 0.95, 0.95)),
+            checkmark_color: Color::from_rgb(0.3, 0.3, 0.3),
+            border_radius: 5,
+            border_width: 1,
+            border_color: Color::from_rgb(0.6, 0.6, 0.6),
+        }
+    }
+
+    fn hovered(&self) -> Style {
+        Style {
+            background: Background::Color(Color::from_rgb(0.90, 0.90, 0.90)),
+            ..self.active()
+        }
+    }
+}
+
+impl std::default::Default for Box<dyn StyleSheet> {
+    fn default() -> Self {
+        Box::new(Default)
+    }
+}
+
+impl<T> From<T> for Box<dyn StyleSheet>
+where
+    T: 'static + StyleSheet,
+{
+    fn from(style: T) -> Self {
+        Box::new(style)
+    }
+}

style/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod button;
+pub mod checkbox;
 pub mod container;
 pub mod progress_bar;
 pub mod radio;