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Implement ToCss for Cursor and de-duplicate variants and string values.

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Simon Sapin 2014-12-21 00:25:29 +00:00
parent 45a08c94a4
commit 8be85c5e6b
3 changed files with 80 additions and 166 deletions
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106
components/util/cursor.rs
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@ -4,43 +4,73 @@
//! A list of common mouse cursors per CSS3-UI § 8.1.1.
#[deriving(Clone, PartialEq, FromPrimitive, Show)]
#[repr(u8)]
pub enum Cursor {
NoCursor = 0,
DefaultCursor = 1,
PointerCursor = 2,
ContextMenuCursor = 3,
HelpCursor = 4,
ProgressCursor = 5,
WaitCursor = 6,
CellCursor = 7,
CrosshairCursor = 8,
TextCursor = 9,
VerticalTextCursor = 10,
AliasCursor = 11,
CopyCursor = 12,
MoveCursor = 13,
NoDropCursor = 14,
NotAllowedCursor = 15,
GrabCursor = 16,
GrabbingCursor = 17,
EResizeCursor = 18,
NResizeCursor = 19,
NeResizeCursor = 20,
NwResizeCursor = 21,
SResizeCursor = 22,
SeResizeCursor = 23,
SwResizeCursor = 24,
WResizeCursor = 25,
EwResizeCursor = 26,
NsResizeCursor = 27,
NeswResizeCursor = 28,
NwseResizeCursor = 29,
ColResizeCursor = 30,
RowResizeCursor = 31,
AllScrollCursor = 32,
ZoomInCursor = 33,
ZoomOutCursor = 34,
use cssparser::ToCss;
use std::ascii::AsciiExt;
use text_writer::TextWriter;
macro_rules! define_cursor {
($( $css: expr => $variant: ident = $value: expr, )+) => {
#[deriving(Clone, PartialEq, Eq, FromPrimitive, Show)]
#[repr(u8)]
pub enum Cursor {
$( $variant = $value ),+
}
impl Cursor {
pub fn from_css_keyword(keyword: &str) -> Result<Cursor, ()> {
match keyword.to_ascii_lower().as_slice() {
$( concat!($css) => Ok(Cursor::$variant), )+
_ => Err(())
}
}
}
impl ToCss for Cursor {
fn to_css<W>(&self, dest: &mut W) -> ::text_writer::Result where W: TextWriter {
match self {
$( &Cursor::$variant => dest.write_str($css) ),+
}
}
}
}
}
define_cursor! {
"none" => NoCursor = 0,
"defalut" => DefaultCursor = 1,
"pointer" => PointerCursor = 2,
"context-menu" => ContextMenuCursor = 3,
"help" => HelpCursor = 4,
"progress" => ProgressCursor = 5,
"wait" => WaitCursor = 6,
"cell" => CellCursor = 7,
"crosshair" => CrosshairCursor = 8,
"text" => TextCursor = 9,
"vertical-text" => VerticalTextCursor = 10,
"alias" => AliasCursor = 11,
"copy" => CopyCursor = 12,
"move" => MoveCursor = 13,
"no-drop" => NoDropCursor = 14,
"not-allowed" => NotAllowedCursor = 15,
"grab" => GrabCursor = 16,
"grabbing" => GrabbingCursor = 17,
"e-resize" => EResizeCursor = 18,
"n-resize" => NResizeCursor = 19,
"ne-resize" => NeResizeCursor = 20,
"nw-resize" => NwResizeCursor = 21,
"s-resize" => SResizeCursor = 22,
"se-resize" => SeResizeCursor = 23,
"sw-resize" => SwResizeCursor = 24,
"w-resize" => WResizeCursor = 25,
"ew-resize" => EwResizeCursor = 26,
"ns-resize" => NsResizeCursor = 27,
"nesw-resize" => NeswResizeCursor = 28,
"nwse-resize" => NwseResizeCursor = 29,
"col-resize" => ColResizeCursor = 30,
"row-resize" => RowResizeCursor = 31,
"all-scroll" => AllScrollCursor = 32,
"zoom-in" => ZoomInCursor = 33,
"zoom-out" => ZoomOutCursor = 34,
}