Merge pull request #2273 from iced-rs/missing-default-styles

Default `disabled` style for `checkbox` and `hovered` style for `Svg`

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `extend` and `from_vec` methods for `Column` and `Row`. [#2264](https://github.com/iced-rs/iced/pull/2264)
 - `PartialOrd`, `Ord`, and `Hash` implementations for `keyboard::Modifiers`. [#2270](https://github.com/iced-rs/iced/pull/2270)
 - `clipboard` module in `advanced` module. [#2272](https://github.com/iced-rs/iced/pull/2272)
+- Default `disabled` style for `checkbox` and `hovered` style for `Svg`. [#2273](https://github.com/iced-rs/iced/pull/2273)
 
 ### Fixed
 - Black images when using OpenGL backend in `iced_wgpu`. [#2259](https://github.com/iced-rs/iced/pull/2259)

style/src/checkbox.rs

@@ -26,5 +26,20 @@ pub trait StyleSheet {
     fn hovered(&self, style: &Self::Style, is_checked: bool) -> Appearance;
 
     /// Produces the disabled [`Appearance`] of a checkbox.
-    fn disabled(&self, style: &Self::Style, is_checked: bool) -> Appearance;
+    fn disabled(&self, style: &Self::Style, is_checked: bool) -> Appearance {
+        let active = self.active(style, is_checked);
+
+        Appearance {
+            background: match active.background {
+                Background::Color(color) => Background::Color(Color {
+                    a: color.a * 0.5,
+                    ..color
+                }),
+                Background::Gradient(gradient) => {
+                    Background::Gradient(gradient.mul_alpha(0.5))
+                }
+            },
+            ..active
+        }
+    }
 }

style/src/svg.rs

@@ -22,5 +22,7 @@ pub trait StyleSheet {
     fn appearance(&self, style: &Self::Style) -> Appearance;
 
     /// Produces the hovered [`Appearance`] of a svg content.
-    fn hovered(&self, style: &Self::Style) -> Appearance;
+    fn hovered(&self, style: &Self::Style) -> Appearance {
+        self.appearance(style)
+    }
 }