masonry 0.4.0

Traits and types of the Masonry toolkit.
Documentation 
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// Copyright 2025 the Xilem Authors
// SPDX-License-Identifier: Apache-2.0

use std::any::TypeId;

use crate::core::{Property, UpdateCtx};
use crate::peniko::color::{AlphaColor, Srgb};

/// The color of a widget's border.
#[expect(missing_docs, reason = "field names are self-descriptive")]
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct BorderColor {
    pub color: AlphaColor<Srgb>,
}

impl Property for BorderColor {
    fn static_default() -> &'static Self {
        static DEFAULT: BorderColor = BorderColor {
            color: AlphaColor::TRANSPARENT,
        };
        &DEFAULT
    }
}

impl BorderColor {
    /// Create new `BorderColor` with given value.
    pub const fn new(color: AlphaColor<Srgb>) -> Self {
        Self { color }
    }
}

/// The color of a widget's border when hovered by a pointer.
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct HoveredBorderColor(pub BorderColor);

impl Property for HoveredBorderColor {
    fn static_default() -> &'static Self {
        static DEFAULT: HoveredBorderColor = HoveredBorderColor(BorderColor {
            color: AlphaColor::TRANSPARENT,
        });
        &DEFAULT
    }
}

// ---

// TODO - The default border color in CSS is `currentcolor`,
// the color text is displayed in.
// Do we want to implement that?

impl Default for BorderColor {
    fn default() -> Self {
        *Self::static_default()
    }
}

impl BorderColor {
    /// Helper function to be called in [`Widget::property_changed`](crate::core::Widget::property_changed).
    pub fn prop_changed(ctx: &mut UpdateCtx<'_>, property_type: TypeId) {
        if property_type != TypeId::of::<Self>() {
            return;
        }
        ctx.request_paint_only();
    }
}

// ---

impl Default for HoveredBorderColor {
    fn default() -> Self {
        *Self::static_default()
    }
}

impl HoveredBorderColor {
    /// Helper function to be called in [`Widget::property_changed`](crate::core::Widget::property_changed).
    pub fn prop_changed(ctx: &mut UpdateCtx<'_>, property_type: TypeId) {
        if property_type != TypeId::of::<Self>() {
            return;
        }
        ctx.request_paint_only();
    }
}