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//! Change the appearance of a checkbox.
use iced_core::{Background, Border, Color};
/// The appearance of a checkbox.
#[derive(Debug, Clone, Copy)]
pub struct Appearance {
/// The [`Background`] of the checkbox.
pub background: Background,
/// The icon [`Color`] of the checkbox.
pub icon_color: Color,
/// The [`Border`] of hte checkbox.
pub border: Border,
/// The text [`Color`] of the checkbox.
pub text_color: Option<Color>,
}
/// A set of rules that dictate the style of a checkbox.
pub trait StyleSheet {
/// The supported style of the [`StyleSheet`].
type Style: Default;
/// Produces the active [`Appearance`] of a checkbox.
fn active(&self, style: &Self::Style, is_checked: bool) -> Appearance;
/// Produces the hovered [`Appearance`] of a checkbox.
fn hovered(&self, style: &Self::Style, is_checked: bool) -> Appearance;
/// Produces the disabled [`Appearance`] of a checkbox.
fn disabled(&self, style: &Self::Style, is_checked: bool) -> Appearance {
let active = self.active(style, is_checked);
Appearance {
background: match active.background {
Background::Color(color) => Background::Color(Color {
a: color.a * 0.5,
..color
}),
Background::Gradient(gradient) => {
Background::Gradient(gradient.mul_alpha(0.5))
}
},
..active
}
}
}
|
