Try new approach to theming for `Slider`

1 files changed, 18 insertions, 11 deletions

diff --git a/style/src/slider.rs b/style/src/slider.rs
index bf1c7329..0c19e47d 100644
--- a/style/src/slider.rs
+++ b/style/src/slider.rs
@@ -1,6 +1,6 @@
 //! Change the apperance of a slider.
 use crate::core::border;
-use crate::core::Color;
+use crate::core::{Color, Pixels};
 
 /// The appearance of a slider.
 #[derive(Debug, Clone, Copy)]
@@ -11,6 +11,17 @@ pub struct Appearance {
     pub handle: Handle,
 }
 
+impl Appearance {
+    /// Changes the [`HandleShape`] of the [`Appearance`] to a circle
+    /// with the given radius.
+    pub fn with_circular_handle(mut self, radius: impl Into<Pixels>) -> Self {
+        self.handle.shape = HandleShape::Circle {
+            radius: radius.into().0,
+        };
+        self
+    }
+}
+
 /// The appearance of a slider rail
 #[derive(Debug, Clone, Copy)]
 pub struct Rail {
@@ -54,15 +65,11 @@ pub enum HandleShape {
 
 /// A set of rules that dictate the style of a slider.
 pub trait StyleSheet {
-    /// The supported style of the [`StyleSheet`].
-    type Style: Default;
-
-    /// Produces the style of an active slider.
-    fn active(&self, style: &Self::Style) -> Appearance;
-
-    /// Produces the style of an hovered slider.
-    fn hovered(&self, style: &Self::Style) -> Appearance;
+    fn default() -> fn(&Self, Status) -> Appearance;
+}
 
-    /// Produces the style of a slider that is being dragged.
-    fn dragging(&self, style: &Self::Style) -> Appearance;
+pub enum Status {
+    Active,
+    Hovered,
+    Dragging,
 }