Merge pull request #1110 from iced-rs/remove-renderer-traits

Reduce the surface of the `Renderer` APIs

1 files changed, 1 insertions, 119 deletions

diff --git a/graphics/src/widget/slider.rs b/graphics/src/widget/slider.rs
index aeceec3f..96dc6ec4 100644
--- a/graphics/src/widget/slider.rs
+++ b/graphics/src/widget/slider.rs
@@ -1,123 +1,5 @@
 //! Display an interactive selector of a single value from a range of values.
 //!
 //! A [`Slider`] has some local [`State`].
-use crate::{Backend, Primitive, Renderer};
-use iced_native::mouse;
-use iced_native::slider;
-use iced_native::{Background, Color, Point, Rectangle};
-
-pub use iced_native::slider::State;
+pub use iced_native::widget::slider::{Slider, State};
 pub use iced_style::slider::{Handle, HandleShape, Style, StyleSheet};
-
-/// An horizontal bar and a handle that selects a single value from a range of
-/// values.
-///
-/// This is an alias of an `iced_native` slider with an `iced_wgpu::Renderer`.
-pub type Slider<'a, T, Message, Backend> =
-    iced_native::Slider<'a, T, Message, Renderer<Backend>>;
-
-impl<B> slider::Renderer for Renderer<B>
-where
-    B: Backend,
-{
-    type Style = Box<dyn StyleSheet>;
-
-    const DEFAULT_HEIGHT: u16 = 22;
-
-    fn draw(
-        &mut self,
-        bounds: Rectangle,
-        cursor_position: Point,
-        range: std::ops::RangeInclusive<f32>,
-        value: f32,
-        is_dragging: bool,
-        style_sheet: &Self::Style,
-    ) -> Self::Output {
-        let is_mouse_over = bounds.contains(cursor_position);
-
-        let style = if is_dragging {
-            style_sheet.dragging()
-        } else if is_mouse_over {
-            style_sheet.hovered()
-        } else {
-            style_sheet.active()
-        };
-
-        let rail_y = bounds.y + (bounds.height / 2.0).round();
-
-        let (rail_top, rail_bottom) = (
-            Primitive::Quad {
-                bounds: Rectangle {
-                    x: bounds.x,
-                    y: rail_y,
-                    width: bounds.width,
-                    height: 2.0,
-                },
-                background: Background::Color(style.rail_colors.0),
-                border_radius: 0.0,
-                border_width: 0.0,
-                border_color: Color::TRANSPARENT,
-            },
-            Primitive::Quad {
-                bounds: Rectangle {
-                    x: bounds.x,
-                    y: rail_y + 2.0,
-                    width: bounds.width,
-                    height: 2.0,
-                },
-                background: Background::Color(style.rail_colors.1),
-                border_radius: 0.0,
-                border_width: 0.0,
-                border_color: Color::TRANSPARENT,
-            },
-        );
-
-        let (handle_width, handle_height, handle_border_radius) = match style
-            .handle
-            .shape
-        {
-            HandleShape::Circle { radius } => {
-                (radius * 2.0, radius * 2.0, radius)
-            }
-            HandleShape::Rectangle {
-                width,
-                border_radius,
-            } => (f32::from(width), f32::from(bounds.height), border_radius),
-        };
-
-        let (range_start, range_end) = range.into_inner();
-
-        let handle_offset = if range_start >= range_end {
-            0.0
-        } else {
-            (bounds.width - handle_width) * (value - range_start)
-                / (range_end - range_start)
-        };
-
-        let handle = Primitive::Quad {
-            bounds: Rectangle {
-                x: bounds.x + handle_offset.round(),
-                y: rail_y - handle_height / 2.0,
-                width: handle_width,
-                height: handle_height,
-            },
-            background: Background::Color(style.handle.color),
-            border_radius: handle_border_radius,
-            border_width: style.handle.border_width,
-            border_color: style.handle.border_color,
-        };
-
-        (
-            Primitive::Group {
-                primitives: vec![rail_top, rail_bottom, handle],
-            },
-            if is_dragging {
-                mouse::Interaction::Grabbing
-            } else if is_mouse_over {
-                mouse::Interaction::Grab
-            } else {
-                mouse::Interaction::default()
-            },
-        )
-    }
-}