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path: root/src/toggler.rs
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use iced_widget::core::Color;
use iced_widget::toggler::{Catalog, Status, Style, StyleFn};

use super::Theme;
use crate::utils::{
    HOVERED_LAYER_OPACITY, disabled_container, disabled_text, mix,
};

impl Catalog for Theme {
    type Class<'a> = StyleFn<'a, Self>;

    fn default<'a>() -> Self::Class<'a> {
        Box::new(default)
    }

    fn style(&self, class: &Self::Class<'_>, status: Status) -> Style {
        class(self, status)
    }
}

pub fn styled(
    background: Color,
    foreground: Color,
    text_color: Color,
    border: Option<Color>,
) -> Style {
    Style {
        background,
        background_border_width: if border.is_some() { 2.0 } else { 0.0 },
        background_border_color: border.unwrap_or(Color::TRANSPARENT),
        foreground,
        foreground_border_width: 0.0,
        foreground_border_color: Color::TRANSPARENT,
        text_color: Some(text_color),
    }
}

pub fn default(theme: &Theme, status: Status) -> Style {
    let surface = theme.colors().surface;
    let primary = theme.colors().primary;

    match status {
        Status::Active { is_toggled } => {
            if is_toggled {
                styled(primary.color, primary.text, surface.text, None)
            } else {
                styled(
                    surface.container.highest,
                    theme.colors().outline.color,
                    surface.text,
                    Some(theme.colors().outline.color),
                )
            }
        }
        Status::Hovered { is_toggled } => {
            if is_toggled {
                styled(primary.color, primary.container, surface.text, None)
            } else {
                styled(
                    mix(
                        surface.container.highest,
                        surface.text,
                        HOVERED_LAYER_OPACITY,
                    ),
                    surface.text_variant,
                    surface.text,
                    Some(theme.colors().outline.color),
                )
            }
        }
        Status::Disabled => styled(
            disabled_container(surface.container.highest),
            disabled_text(surface.text),
            surface.text,
            Some(disabled_text(surface.text)),
        ),
    }
}