96 lines
2.2 KiB
Rust
96 lines
2.2 KiB
Rust
//! Display an interactive selector of a single value from a range of values.
|
|
use iced_core::Color;
|
|
|
|
/// The appearance of a slider.
|
|
#[derive(Debug, Clone, Copy)]
|
|
pub struct Style {
|
|
pub rail_colors: (Color, Color),
|
|
pub handle: Handle,
|
|
}
|
|
|
|
/// The appearance of the handle of a slider.
|
|
#[derive(Debug, Clone, Copy)]
|
|
pub struct Handle {
|
|
pub shape: HandleShape,
|
|
pub color: Color,
|
|
pub border_width: u16,
|
|
pub border_color: Color,
|
|
}
|
|
|
|
/// The shape of the handle of a slider.
|
|
#[derive(Debug, Clone, Copy)]
|
|
pub enum HandleShape {
|
|
Circle { radius: u16 },
|
|
Rectangle { width: u16, border_radius: u16 },
|
|
}
|
|
|
|
/// A set of rules that dictate the style of a slider.
|
|
pub trait StyleSheet {
|
|
/// Produces the style of an active slider.
|
|
fn active(&self) -> Style;
|
|
|
|
/// Produces the style of an hovered slider.
|
|
fn hovered(&self) -> Style;
|
|
|
|
/// Produces the style of a slider that is being dragged.
|
|
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)
|
|
}
|
|
}
|