feat(material_theme): implement `slider::Catalog`

1 files changed, 63 insertions, 0 deletions

diff --git a/crates/material_theme/src/slider.rs b/crates/material_theme/src/slider.rs
new file mode 100644
index 0000000..cc3bf98
--- /dev/null
+++ b/crates/material_theme/src/slider.rs
@@ -0,0 +1,63 @@
+use iced_widget::core::{Background, Color, border};
+use iced_widget::slider::{
+    Catalog, Handle, HandleShape, Rail, Status, Style, StyleFn,
+};
+
+use super::Theme;
+use crate::utils::{HOVERED_LAYER_OPACITY, PRESSED_LAYER_OPACITY, mix};
+
+impl Catalog for Theme {
+    type Class<'a> = StyleFn<'a, Self>;
+
+    fn default<'a>() -> <Self as Catalog>::Class<'a> {
+        Box::new(default)
+    }
+
+    fn style(
+        &self,
+        class: &<Self as Catalog>::Class<'_>,
+        status: Status,
+    ) -> Style {
+        class(self, status)
+    }
+}
+
+pub fn styled(left: Color, right: Color, handle_radius: f32) -> Style {
+    Style {
+        rail: Rail {
+            backgrounds: (left.into(), right.into()),
+            width: 8.0,
+            border: border::rounded(400),
+        },
+        handle: Handle {
+            shape: HandleShape::Circle {
+                radius: handle_radius,
+            },
+            background: Background::Color(left),
+            border_width: 0.0,
+            border_color: Color::TRANSPARENT,
+        },
+    }
+}
+
+pub fn default(theme: &Theme, status: Status) -> Style {
+    let surface = theme.colorscheme.surface;
+    let primary = theme.colorscheme.primary;
+    let secondary = theme.colorscheme.secondary;
+
+    match status {
+        Status::Active => {
+            styled(primary.color, secondary.secondary_container, 16.0)
+        }
+        Status::Hovered => styled(
+            mix(primary.color, surface.on_surface, HOVERED_LAYER_OPACITY),
+            secondary.secondary_container,
+            16.0,
+        ),
+        Status::Dragged => styled(
+            mix(primary.color, surface.on_surface, PRESSED_LAYER_OPACITY),
+            secondary.secondary_container,
+            15.0,
+        ),
+    }
+}