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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /servo/components/style/values/specified/ui.rs
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servo/components/style/values/specified/ui.rs')
-rw-r--r--servo/components/style/values/specified/ui.rs232
1 files changed, 232 insertions, 0 deletions
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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/. */
+
+//! Specified types for UI properties.
+
+use crate::parser::{Parse, ParserContext};
+use crate::values::generics::ui as generics;
+use crate::values::specified::color::Color;
+use crate::values::specified::image::Image;
+use crate::values::specified::Number;
+use cssparser::Parser;
+use std::fmt::{self, Write};
+use style_traits::{
+ CssWriter, KeywordsCollectFn, ParseError, SpecifiedValueInfo, StyleParseErrorKind, ToCss,
+};
+
+/// A specified value for the `cursor` property.
+pub type Cursor = generics::GenericCursor<CursorImage>;
+
+/// A specified value for item of `image cursors`.
+pub type CursorImage = generics::GenericCursorImage<Image, Number>;
+
+impl Parse for Cursor {
+ /// cursor: [<url> [<number> <number>]?]# [auto | default | ...]
+ fn parse<'i, 't>(
+ context: &ParserContext,
+ input: &mut Parser<'i, 't>,
+ ) -> Result<Self, ParseError<'i>> {
+ let mut images = vec![];
+ loop {
+ match input.try_parse(|input| CursorImage::parse(context, input)) {
+ Ok(image) => images.push(image),
+ Err(_) => break,
+ }
+ input.expect_comma()?;
+ }
+ Ok(Self {
+ images: images.into(),
+ keyword: CursorKind::parse(input)?,
+ })
+ }
+}
+
+impl Parse for CursorImage {
+ fn parse<'i, 't>(
+ context: &ParserContext,
+ input: &mut Parser<'i, 't>,
+ ) -> Result<Self, ParseError<'i>> {
+ use crate::Zero;
+
+ let image = Image::parse_only_url(context, input)?;
+ let mut has_hotspot = false;
+ let mut hotspot_x = Number::zero();
+ let mut hotspot_y = Number::zero();
+
+ if let Ok(x) = input.try_parse(|input| Number::parse(context, input)) {
+ has_hotspot = true;
+ hotspot_x = x;
+ hotspot_y = Number::parse(context, input)?;
+ }
+
+ Ok(Self {
+ image,
+ has_hotspot,
+ hotspot_x,
+ hotspot_y,
+ })
+ }
+}
+
+// This trait is manually implemented because we don't support the whole <image>
+// syntax for cursors
+impl SpecifiedValueInfo for CursorImage {
+ fn collect_completion_keywords(f: KeywordsCollectFn) {
+ f(&["url", "image-set"]);
+ }
+}
+/// Specified value of `-moz-force-broken-image-icon`
+#[derive(
+ Clone,
+ Copy,
+ Debug,
+ MallocSizeOf,
+ PartialEq,
+ SpecifiedValueInfo,
+ ToComputedValue,
+ ToResolvedValue,
+ ToShmem,
+)]
+#[repr(transparent)]
+pub struct BoolInteger(pub bool);
+
+impl BoolInteger {
+ /// Returns 0
+ #[inline]
+ pub fn zero() -> Self {
+ Self(false)
+ }
+}
+
+impl Parse for BoolInteger {
+ fn parse<'i, 't>(
+ _context: &ParserContext,
+ input: &mut Parser<'i, 't>,
+ ) -> Result<Self, ParseError<'i>> {
+ // We intentionally don't support calc values here.
+ match input.expect_integer()? {
+ 0 => Ok(Self(false)),
+ 1 => Ok(Self(true)),
+ _ => Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError)),
+ }
+ }
+}
+
+impl ToCss for BoolInteger {
+ fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
+ where
+ W: Write,
+ {
+ dest.write_str(if self.0 { "1" } else { "0" })
+ }
+}
+
+/// A specified value for `scrollbar-color` property
+pub type ScrollbarColor = generics::ScrollbarColor<Color>;
+
+impl Parse for ScrollbarColor {
+ fn parse<'i, 't>(
+ context: &ParserContext,
+ input: &mut Parser<'i, 't>,
+ ) -> Result<Self, ParseError<'i>> {
+ if input.try_parse(|i| i.expect_ident_matching("auto")).is_ok() {
+ return Ok(generics::ScrollbarColor::Auto);
+ }
+ Ok(generics::ScrollbarColor::Colors {
+ thumb: Color::parse(context, input)?,
+ track: Color::parse(context, input)?,
+ })
+ }
+}
+
+/// The specified value for the `user-select` property.
+///
+/// https://drafts.csswg.org/css-ui-4/#propdef-user-select
+#[allow(missing_docs)]
+#[derive(
+ Clone,
+ Copy,
+ Debug,
+ Eq,
+ MallocSizeOf,
+ Parse,
+ PartialEq,
+ SpecifiedValueInfo,
+ ToComputedValue,
+ ToCss,
+ ToResolvedValue,
+ ToShmem,
+)]
+#[repr(u8)]
+pub enum UserSelect {
+ Auto,
+ Text,
+ #[parse(aliases = "-moz-none")]
+ None,
+ /// Force selection of all children.
+ All,
+}
+
+/// The keywords allowed in the Cursor property.
+///
+/// https://drafts.csswg.org/css-ui-4/#propdef-cursor
+#[allow(missing_docs)]
+#[derive(
+ Clone,
+ Copy,
+ Debug,
+ Eq,
+ FromPrimitive,
+ MallocSizeOf,
+ Parse,
+ PartialEq,
+ SpecifiedValueInfo,
+ ToComputedValue,
+ ToCss,
+ ToResolvedValue,
+ ToShmem,
+)]
+#[repr(u8)]
+pub enum CursorKind {
+ None,
+ Default,
+ Pointer,
+ ContextMenu,
+ Help,
+ Progress,
+ Wait,
+ Cell,
+ Crosshair,
+ Text,
+ VerticalText,
+ Alias,
+ Copy,
+ Move,
+ NoDrop,
+ NotAllowed,
+ #[parse(aliases = "-moz-grab")]
+ Grab,
+ #[parse(aliases = "-moz-grabbing")]
+ Grabbing,
+ EResize,
+ NResize,
+ NeResize,
+ NwResize,
+ SResize,
+ SeResize,
+ SwResize,
+ WResize,
+ EwResize,
+ NsResize,
+ NeswResize,
+ NwseResize,
+ ColResize,
+ RowResize,
+ AllScroll,
+ #[parse(aliases = "-moz-zoom-in")]
+ ZoomIn,
+ #[parse(aliases = "-moz-zoom-out")]
+ ZoomOut,
+ Auto,
+}