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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! Generic values for UI properties.
use std::fmt::{self, Write};
use style_traits::cursor::CursorKind;
use style_traits::{CssWriter, ToCss};
/// A generic value for the `cursor` property.
///
/// https://drafts.csswg.org/css-ui/#cursor
#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue)]
pub struct Cursor<Image> {
/// The parsed images for the cursor.
pub images: Box<[Image]>,
/// The kind of the cursor [default | help | ...].
pub keyword: CursorKind,
}
impl<Image> Cursor<Image> {
/// Set `cursor` to `auto`
#[inline]
pub fn auto() -> Self {
Self {
images: vec![].into_boxed_slice(),
keyword: CursorKind::Auto,
}
}
}
impl<Image: ToCss> ToCss for Cursor<Image> {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
for image in &*self.images {
image.to_css(dest)?;
dest.write_str(", ")?;
}
self.keyword.to_css(dest)
}
}
/// A generic value for item of `image cursors`.
#[derive(Clone, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo, ToComputedValue)]
pub struct CursorImage<ImageUrl, Number> {
/// The url to parse images from.
pub url: ImageUrl,
/// The <x> and <y> coordinates.
pub hotspot: Option<(Number, Number)>,
}
impl<ImageUrl: ToCss, Number: ToCss> ToCss for CursorImage<ImageUrl, Number> {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
self.url.to_css(dest)?;
if let Some((ref x, ref y)) = self.hotspot {
dest.write_str(" ")?;
x.to_css(dest)?;
dest.write_str(" ")?;
y.to_css(dest)?;
}
Ok(())
}
}
/// A generic value for `scrollbar-color` property.
///
/// https://drafts.csswg.org/css-scrollbars-1/#scrollbar-color
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToCss,
)]
pub enum ScrollbarColor<Color> {
/// `auto`
Auto,
/// `<color>{2}`
Colors {
/// First `<color>`, for color of the scrollbar thumb.
thumb: Color,
/// Second `<color>`, for color of the scrollbar track.
track: Color,
},
}
impl<Color> Default for ScrollbarColor<Color> {
#[inline]
fn default() -> Self {
ScrollbarColor::Auto
}
}
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