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use iced_core::Color;
#[derive(Debug, Clone, Copy)]
pub struct Style {
pub rail_colors: (Color, Color),
pub handle: Handle,
}
#[derive(Debug, Clone, Copy)]
pub struct Handle {
pub shape: HandleShape,
pub color: Color,
pub border_width: u16,
pub border_color: Color,
}
#[derive(Debug, Clone, Copy)]
pub enum HandleShape {
Circle { radius: u16 },
Rectangle { width: u16, border_radius: u16 },
}
pub trait StyleSheet {
fn active(&self) -> Style;
fn hovered(&self) -> Style;
fn dragging(&self) -> Style;
}
struct Default;
impl StyleSheet for Default {
fn active(&self) -> Style {
Style {
rail_colors: ([0.6, 0.6, 0.6, 0.5].into(), Color::WHITE),
handle: Handle {
shape: HandleShape::Rectangle {
width: 8,
border_radius: 4,
},
color: Color::from_rgb(0.95, 0.95, 0.95),
border_color: Color::from_rgb(0.6, 0.6, 0.6),
border_width: 1,
},
}
}
fn hovered(&self) -> Style {
let active = self.active();
Style {
handle: Handle {
color: Color::from_rgb(0.90, 0.90, 0.90),
..active.handle
},
..active
}
}
fn dragging(&self) -> Style {
let active = self.active();
Style {
handle: Handle {
color: Color::from_rgb(0.85, 0.85, 0.85),
..active.handle
},
..active
}
}
}
impl std::default::Default for Box<dyn StyleSheet> {
fn default() -> Self {
Box::new(Default)
}
}
impl<T> From<T> for Box<dyn StyleSheet>
where
T: 'static + StyleSheet,
{
fn from(style: T) -> Self {
Box::new(style)
}
}