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use iced_core::{Background, Color};
#[derive(Debug, Clone, Copy)]
pub struct Scrollbar {
pub background: Option<Background>,
pub border_radius: u16,
pub border_width: u16,
pub border_color: Color,
pub scroller: Scroller,
}
#[derive(Debug, Clone, Copy)]
pub struct Scroller {
pub color: Color,
pub border_radius: u16,
pub border_width: u16,
pub border_color: Color,
}
pub trait StyleSheet {
fn active(&self) -> Scrollbar;
fn hovered(&self) -> Scrollbar;
fn dragging(&self) -> Scrollbar {
self.hovered()
}
}
struct Default;
impl StyleSheet for Default {
fn active(&self) -> Scrollbar {
Scrollbar {
background: None,
border_radius: 5,
border_width: 0,
border_color: Color::TRANSPARENT,
scroller: Scroller {
color: [0.0, 0.0, 0.0, 0.7].into(),
border_radius: 5,
border_width: 0,
border_color: Color::TRANSPARENT,
},
}
}
fn hovered(&self) -> Scrollbar {
Scrollbar {
background: Some(Background::Color([0.0, 0.0, 0.0, 0.3].into())),
..self.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)
}
}