gecko-dev/servo/components/style_traits/cursor.rs

110 строки
3.8 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/. */
//! A list of common mouse cursors per CSS3-UI § 8.1.1.
use super::{CssWriter, ToCss};
macro_rules! define_cursor {
(
common properties = [
$( $c_css: expr => $c_variant: ident = $c_value: expr, )+
]
gecko properties = [
$( $g_css: expr => $g_variant: ident = $g_value: expr, )+
]
) => {
/// <https://drafts.csswg.org/css-ui/#cursor>
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, PartialEq)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
#[repr(u8)]
#[allow(missing_docs)]
pub enum CursorKind {
$( $c_variant = $c_value, )+
$( #[cfg(feature = "gecko")] $g_variant = $g_value, )+
}
impl CursorKind {
/// Given a CSS keyword, get the corresponding cursor enum.
pub fn from_css_keyword(keyword: &str) -> Result<Self, ()> {
match_ignore_ascii_case! { &keyword,
$( $c_css => Ok(CursorKind::$c_variant), )+
$( #[cfg(feature = "gecko")] $g_css => Ok(CursorKind::$g_variant), )+
_ => Err(())
}
}
/// From the C u8 value, get the corresponding Cursor enum.
pub fn from_u8(value: u8) -> Result<Self, ()> {
match value {
$( $c_value => Ok(CursorKind::$c_variant), )+
$( #[cfg(feature = "gecko")] $g_value => Ok(CursorKind::$g_variant), )+
_ => Err(())
}
}
}
impl ToCss for CursorKind {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> ::std::fmt::Result where W: ::std::fmt::Write {
match *self {
$(CursorKind::$c_variant => {
::std::fmt::Write::write_str(dest, $c_css)
})+
$(#[cfg(feature = "gecko")] CursorKind::$g_variant => {
::std::fmt::Write::write_str(dest, $g_css)
})+
}
}
}
}
}
define_cursor! {
common properties = [
"none" => None = 0,
"default" => Default = 1,
"pointer" => Pointer = 2,
"context-menu" => ContextMenu = 3,
"help" => Help = 4,
"progress" => Progress = 5,
"wait" => Wait = 6,
"cell" => Cell = 7,
"crosshair" => Crosshair = 8,
"text" => Text = 9,
"vertical-text" => VerticalText = 10,
"alias" => Alias = 11,
"copy" => Copy = 12,
"move" => Move = 13,
"no-drop" => NoDrop = 14,
"not-allowed" => NotAllowed = 15,
"grab" => Grab = 16,
"grabbing" => Grabbing = 17,
"e-resize" => EResize = 18,
"n-resize" => NResize = 19,
"ne-resize" => NeResize = 20,
"nw-resize" => NwResize = 21,
"s-resize" => SResize = 22,
"se-resize" => SeResize = 23,
"sw-resize" => SwResize = 24,
"w-resize" => WResize = 25,
"ew-resize" => EwResize = 26,
"ns-resize" => NsResize = 27,
"nesw-resize" => NeswResize = 28,
"nwse-resize" => NwseResize = 29,
"col-resize" => ColResize = 30,
"row-resize" => RowResize = 31,
"all-scroll" => AllScroll = 32,
"zoom-in" => ZoomIn = 33,
"zoom-out" => ZoomOut = 34,
"auto" => Auto = 35,
]
// gecko only properties
gecko properties = [
"-moz-grab" => MozGrab = 36,
"-moz-grabbing" => MozGrabbing = 37,
"-moz-zoom-in" => MozZoomIn = 38,
"-moz-zoom-out" => MozZoomOut = 39,
]
}