From 833538ee7f3a60a839304762dfc29b0881d19094 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector@hecrj.dev>
Date: Thu, 7 Mar 2024 20:11:32 +0100
Subject: Leverage `DefaultStyle` traits instead of `Default`

---
 widget/src/toggler.rs | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

(limited to 'widget/src/toggler.rs')

diff --git a/widget/src/toggler.rs b/widget/src/toggler.rs
index adc82f73..6b540f1c 100644
--- a/widget/src/toggler.rs
+++ b/widget/src/toggler.rs
@@ -72,7 +72,7 @@ where
         f: F,
     ) -> Self
     where
-        Style<Theme>: Default,
+        Theme: DefaultStyle,
         F: 'a + Fn(bool) -> Message,
     {
         Toggler {
@@ -87,7 +87,7 @@ where
             text_shaping: text::Shaping::Basic,
             spacing: Self::DEFAULT_SIZE / 2.0,
             font: None,
-            style: Style::default(),
+            style: Theme::default_style(),
         }
     }
 
@@ -299,7 +299,7 @@ where
             }
         };
 
-        let appearance = (self.style.0)(theme, status);
+        let appearance = (self.style)(theme, status);
 
         let border_radius = bounds.height / BORDER_RADIUS_RATIO;
         let space = SPACE_RATIO * bounds.height;
@@ -398,26 +398,23 @@ pub struct Appearance {
 }
 
 /// The style of a [`Toggler`].
-#[derive(Debug, PartialEq, Eq)]
-pub struct Style<Theme>(fn(&Theme, Status) -> Appearance);
+pub type Style<Theme> = fn(&Theme, Status) -> Appearance;
 
-impl<Theme> Clone for Style<Theme> {
-    fn clone(&self) -> Self {
-        *self
-    }
+/// The default style of a [`Toggler`].
+pub trait DefaultStyle {
+    /// Returns the default style of a [`Toggler`].
+    fn default_style() -> Style<Self>;
 }
 
-impl<Theme> Copy for Style<Theme> {}
-
-impl Default for Style<Theme> {
-    fn default() -> Self {
-        Style(default)
+impl DefaultStyle for Theme {
+    fn default_style() -> Style<Self> {
+        default
     }
 }
 
-impl<Theme> From<fn(&Theme, Status) -> Appearance> for Style<Theme> {
-    fn from(f: fn(&Theme, Status) -> Appearance) -> Self {
-        Style(f)
+impl DefaultStyle for Appearance {
+    fn default_style() -> Style<Self> {
+        |appearance, _status| *appearance
     }
 }
 
-- 
cgit