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use iced_core::{Background, Color, Vector};
#[derive(Debug)]
pub struct Style {
pub shadow_offset: Vector,
pub background: Option<Background>,
pub border_radius: u16,
pub border_width: u16,
pub border_color: Color,
pub text_color: Color,
}
impl std::default::Default for Style {
fn default() -> Self {
Self {
shadow_offset: Vector::default(),
background: None,
border_radius: 0,
border_width: 0,
border_color: Color::TRANSPARENT,
text_color: Color::BLACK,
}
}
}
pub trait StyleSheet {
fn active(&self) -> Style;
fn hovered(&self) -> Style {
let active = self.active();
Style {
shadow_offset: active.shadow_offset + Vector::new(0.0, 1.0),
..active
}
}
fn pressed(&self) -> Style {
Style {
shadow_offset: Vector::default(),
..self.active()
}
}
fn disabled(&self) -> Style {
let active = self.active();
Style {
shadow_offset: Vector::default(),
background: active.background.map(|background| match background {
Background::Color(color) => Background::Color(Color {
a: color.a * 0.5,
..color
}),
}),
text_color: Color {
a: active.text_color.a * 0.5,
..active.text_color
},
..active
}
}
}
struct Default;
impl StyleSheet for Default {
fn active(&self) -> Style {
Style {
shadow_offset: Vector::new(0.0, 0.0),
background: Some(Background::Color([0.87, 0.87, 0.87].into())),
border_radius: 2,
border_width: 1,
border_color: [0.7, 0.7, 0.7].into(),
text_color: Color::BLACK,
}
}
}
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)
}
}