mirror of
https://github.com/servo/servo.git
synced 2025-08-03 04:30:10 +01:00
7fe7b2ffb1
Most of types just derive it using proc_macro directly. Some of value types need manual impl. In my current plan, this new trait will be used in bug 1434130 to expose values as well. Bug: 1455576 Reviewed-by: emilio MozReview-Commit-ID: LI7fy45VkRw
82 lines
2.3 KiB
Rust
82 lines
2.3 KiB
Rust
/* 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 http://mozilla.org/MPL/2.0/. */
|
|
|
|
//! Generic values for pointing properties.
|
|
|
|
use std::fmt::{self, Write};
|
|
use style_traits::{CssWriter, ToCss};
|
|
use style_traits::cursor::CursorKind;
|
|
|
|
/// A generic value for the `caret-color` property.
|
|
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf,
|
|
PartialEq, SpecifiedValueInfo, ToAnimatedValue, ToAnimatedZero,
|
|
ToComputedValue, ToCss)]
|
|
pub enum CaretColor<Color> {
|
|
/// An explicit color.
|
|
Color(Color),
|
|
/// The keyword `auto`.
|
|
Auto,
|
|
}
|
|
|
|
/// 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(())
|
|
}
|
|
}
|