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Vendor dependencies for 0.3.0 release

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Robert Garrett
2025-09-27 10:29:08 -05:00
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# Changelog
All notable changes to cursor-icon are documented in this file.
The sections should follow the order `Packaging`, `Added`, `Changed`, `Fixed` and `Removed`.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## Unreleased
## 1.2.0
- Implement `Hash` for `ParseError`.
- Add `CursorIcon::DndAsk` and `CursorIcon::AllResize` from the wayland-protocols version 1.42.
## 1.1.0
- Bump MSRV from `1.64` to `1.65`.
- Add access to alternative names for cursor icons through the `CursorIcon::alt_names` method.

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Copyright (c) 2023 Kirill Chibisov
Permission is hereby granted, free of charge, to any person obtaining a copy of
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Copyright (c) 2023 Kirill Chibisov
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

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# `cursor-icon`: A common cursor icon type
This library provides a standard type to work with the cursor icon across
multiple platforms.
The transformation to the actual value used by the platform for this icon is
left to the libraries like https://github.com/rust-windowing/winit.

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format_code_in_doc_comments = true
match_block_trailing_comma = true
condense_wildcard_suffixes = true
use_field_init_shorthand = true
normalize_doc_attributes = true
overflow_delimited_expr = true
imports_granularity = "Module"
use_small_heuristics = "Max"
normalize_comments = true
reorder_impl_items = true
use_try_shorthand = true
newline_style = "Unix"
format_strings = true
wrap_comments = true
comment_width = 80
edition = "2021"

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// SPDX-License-Identifier: MIT OR Apache-2.0 OR Zlib
#![cfg_attr(not(feature = "std"), no_std)]
#![deny(rust_2018_idioms)]
#![deny(rustdoc::broken_intra_doc_links)]
#![deny(unsafe_op_in_unsafe_fn)]
#![deny(improper_ctypes, improper_ctypes_definitions)]
#![deny(clippy::all)]
#![deny(missing_debug_implementations)]
#![deny(missing_docs)]
#![forbid(unsafe_code)]
#![cfg_attr(clippy, deny(warnings))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
//! The cross platform cursor icon type.
//!
//! This type is intended to be used as a standard interoperability type between
//! GUI frameworks in order to convey the cursor icon type.
//!
//! # Example
//!
//! ```
//! use cursor_icon::CursorIcon;
//!
//! # fn main() -> Result<(), Box<dyn std::error::Error>> {
//! // Parse a cursor icon from the string that describes it.
//! let cursor_name = "pointer";
//! let cursor_icon: CursorIcon = cursor_name.parse()?;
//! println!("The cursor icon is {:?}", cursor_icon);
//! # Ok(())
//! # }
//! ```
// This file contains a portion of the CSS Basic User Interface Module Level 3
// specification. In particular, the names for the cursor from the #cursor
// section and documentation for some of the variants were taken.
//
// The original document is https://www.w3.org/TR/css-ui-3/#cursor.
// Copyright © 2018 W3C® (MIT, ERCIM, Keio, Beihang)
//
// These documents were used under the terms of the following license. This W3C
// license as well as the W3C short notice apply to the `CursorIcon` enum's
// variants and documentation attached to them.
// --------- BEGINNING OF W3C LICENSE
// --------------------------------------------------------------
//
// License
//
// By obtaining and/or copying this work, you (the licensee) agree that you have
// read, understood, and will comply with the following terms and conditions.
//
// Permission to copy, modify, and distribute this work, with or without
// modification, for any purpose and without fee or royalty is hereby granted,
// provided that you include the following on ALL copies of the work or portions
// thereof, including modifications:
//
// - The full text of this NOTICE in a location viewable to users of the
// redistributed or derivative work.
// - Any pre-existing intellectual property disclaimers, notices, or terms and
// conditions. If none exist, the W3C Software and Document Short Notice
// should be included.
// - Notice of any changes or modifications, through a copyright statement on
// the new code or document such as "This software or document includes
// material copied from or derived from [title and URI of the W3C document].
// Copyright © [YEAR] W3C® (MIT, ERCIM, Keio, Beihang)."
//
// Disclaimers
//
// THIS WORK IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE NO REPRESENTATIONS
// OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, WARRANTIES
// OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF
// THE SOFTWARE OR DOCUMENT WILL NOT INFRINGE ANY THIRD PARTY PATENTS,
// COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
//
// COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
// CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENT.
//
// The name and trademarks of copyright holders may NOT be used in advertising
// or publicity pertaining to the work without specific, written prior
// permission. Title to copyright in this work will at all times remain with
// copyright holders.
//
// --------- END OF W3C LICENSE
// --------------------------------------------------------------------
// --------- BEGINNING OF W3C SHORT NOTICE
// ---------------------------------------------------------
//
// winit: https://github.com/rust-windowing/cursor-icon
//
// Copyright © 2023 World Wide Web Consortium, (Massachusetts Institute of
// Technology, European Research Consortium for Informatics and Mathematics,
// Keio University, Beihang). All Rights Reserved. This work is distributed
// under the W3C® Software License [1] in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// [1] http://www.w3.org/Consortium/Legal/copyright-software
//
// --------- END OF W3C SHORT NOTICE
// --------------------------------------------------------------
#[cfg(feature = "serde")]
#[macro_use]
extern crate serde;
// XXX for forwards compatibility.
#[cfg(feature = "alloc")]
extern crate alloc as _;
/// Describes the appearance of the (usually mouse) cursor icon.
///
/// The names are taken from the CSS W3C specification:
/// <https://www.w3.org/TR/css-ui-3/#cursor>
///
/// # Examples
///
/// ```
/// use cursor_icon::CursorIcon;
///
/// // Get the cursor icon for the default cursor.
/// let cursor_icon = CursorIcon::Default;
/// ```
#[non_exhaustive]
#[derive(Debug, Default, Copy, Clone, PartialEq, Eq, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum CursorIcon {
/// The platform-dependent default cursor. Often rendered as arrow.
#[default]
Default,
/// A context menu is available for the object under the cursor. Often
/// rendered as an arrow with a small menu-like graphic next to it.
ContextMenu,
/// Help is available for the object under the cursor. Often rendered as a
/// question mark or a balloon.
Help,
/// The cursor is a pointer that indicates a link. Often rendered as the
/// backside of a hand with the index finger extended.
Pointer,
/// A progress indicator. The program is performing some processing, but is
/// different from [`CursorIcon::Wait`] in that the user may still interact
/// with the program.
Progress,
/// Indicates that the program is busy and the user should wait. Often
/// rendered as a watch or hourglass.
Wait,
/// Indicates that a cell or set of cells may be selected. Often rendered as
/// a thick plus-sign with a dot in the middle.
Cell,
/// A simple crosshair (e.g., short line segments resembling a "+" sign).
/// Often used to indicate a two dimensional bitmap selection mode.
Crosshair,
/// Indicates text that may be selected. Often rendered as an I-beam.
Text,
/// Indicates vertical-text that may be selected. Often rendered as a
/// horizontal I-beam.
VerticalText,
/// Indicates an alias of/shortcut to something is to be created. Often
/// rendered as an arrow with a small curved arrow next to it.
Alias,
/// Indicates something is to be copied. Often rendered as an arrow with a
/// small plus sign next to it.
Copy,
/// Indicates something is to be moved.
Move,
/// Indicates that the dragged item cannot be dropped at the current cursor
/// location. Often rendered as a hand or pointer with a small circle with a
/// line through it.
NoDrop,
/// Indicates that the requested action will not be carried out. Often
/// rendered as a circle with a line through it.
NotAllowed,
/// Indicates that something can be grabbed (dragged to be moved). Often
/// rendered as the backside of an open hand.
Grab,
/// Indicates that something is being grabbed (dragged to be moved). Often
/// rendered as the backside of a hand with fingers closed mostly out of
/// view.
Grabbing,
/// The east border to be moved.
EResize,
/// The north border to be moved.
NResize,
/// The north-east corner to be moved.
NeResize,
/// The north-west corner to be moved.
NwResize,
/// The south border to be moved.
SResize,
/// The south-east corner to be moved.
SeResize,
/// The south-west corner to be moved.
SwResize,
/// The west border to be moved.
WResize,
/// The east and west borders to be moved.
EwResize,
/// The south and north borders to be moved.
NsResize,
/// The north-east and south-west corners to be moved.
NeswResize,
/// The north-west and south-east corners to be moved.
NwseResize,
/// Indicates that the item/column can be resized horizontally. Often
/// rendered as arrows pointing left and right with a vertical bar
/// separating them.
ColResize,
/// Indicates that the item/row can be resized vertically. Often rendered as
/// arrows pointing up and down with a horizontal bar separating them.
RowResize,
/// Indicates that the something can be scrolled in any direction. Often
/// rendered as arrows pointing up, down, left, and right with a dot in the
/// middle.
AllScroll,
/// Indicates that something can be zoomed in. Often rendered as a
/// magnifying glass with a "+" in the center of the glass.
ZoomIn,
/// Indicates that something can be zoomed in. Often rendered as a
/// magnifying glass with a "-" in the center of the glass.
ZoomOut,
/// Indicates that the user will select the action that will be carried out.
///
/// This is a non-standard extension of the w3c standard used in freedesktop
/// cursor icon themes.
DndAsk,
/// Indicates that something can be moved or resized in any direction.
///
/// This is a non-standard extension of the w3c standard used in freedesktop
/// cursor icon themes.
AllResize,
}
impl CursorIcon {
/// The name of the cursor icon as defined in the w3c standard.
/// Non-standard cursors such as "DndAsk" and "AllResize" are translated as
/// "dnd-ask" and "all-resize" respectively.
///
/// This name most of the time could be passed as is to cursor loading
/// libraries on X11/Wayland and could be used as-is on web.
///
/// # Examples
///
/// ```no_run
/// use cursor_icon::CursorIcon;
/// use wayland_cursor::CursorTheme;
///
/// # use wayland_client::Connection;
/// # use wayland_client::protocol::wl_shm::WlShm;
/// # fn test(conn: &Connection, shm: WlShm) -> Result<(), Box<dyn std::error::Error>> {
/// // Choose a cursor to load.
/// let cursor = CursorIcon::Help;
///
/// // Load the Wayland cursor theme.
/// let mut cursor_theme = CursorTheme::load(conn, shm, 32)?;
///
/// // Load the cursor.
/// let cursor = cursor_theme.get_cursor(cursor.name());
/// if let Some(cursor) = cursor {
/// println!("Total number of images: {}", cursor.image_count());
/// }
/// # Ok(())
/// # }
/// ```
pub fn name(&self) -> &'static str {
match self {
CursorIcon::Default => "default",
CursorIcon::ContextMenu => "context-menu",
CursorIcon::Help => "help",
CursorIcon::Pointer => "pointer",
CursorIcon::Progress => "progress",
CursorIcon::Wait => "wait",
CursorIcon::Cell => "cell",
CursorIcon::Crosshair => "crosshair",
CursorIcon::Text => "text",
CursorIcon::VerticalText => "vertical-text",
CursorIcon::Alias => "alias",
CursorIcon::Copy => "copy",
CursorIcon::Move => "move",
CursorIcon::NoDrop => "no-drop",
CursorIcon::NotAllowed => "not-allowed",
CursorIcon::Grab => "grab",
CursorIcon::Grabbing => "grabbing",
CursorIcon::EResize => "e-resize",
CursorIcon::NResize => "n-resize",
CursorIcon::NeResize => "ne-resize",
CursorIcon::NwResize => "nw-resize",
CursorIcon::SResize => "s-resize",
CursorIcon::SeResize => "se-resize",
CursorIcon::SwResize => "sw-resize",
CursorIcon::WResize => "w-resize",
CursorIcon::EwResize => "ew-resize",
CursorIcon::NsResize => "ns-resize",
CursorIcon::NeswResize => "nesw-resize",
CursorIcon::NwseResize => "nwse-resize",
CursorIcon::ColResize => "col-resize",
CursorIcon::RowResize => "row-resize",
CursorIcon::AllScroll => "all-scroll",
CursorIcon::ZoomIn => "zoom-in",
CursorIcon::ZoomOut => "zoom-out",
CursorIcon::DndAsk => "dnd-ask",
CursorIcon::AllResize => "all-resize",
}
}
/// A list of alternative names for the cursor icon as commonly found in
/// legacy Xcursor themes.
///
/// This should only be used as a fallback in case the cursor theme does not
/// adhere to the w3c standard.
pub fn alt_names(&self) -> &[&'static str] {
match self {
CursorIcon::Default => &["left_ptr", "arrow", "top_left_arrow", "left_arrow"],
CursorIcon::ContextMenu => &[],
CursorIcon::Help => &["question_arrow", "whats_this"],
CursorIcon::Pointer => &["hand2", "hand1", "hand", "pointing_hand"],
CursorIcon::Progress => &["left_ptr_watch", "half-busy"],
CursorIcon::Wait => &["watch"],
CursorIcon::Cell => &["plus"],
CursorIcon::Crosshair => &["cross"],
CursorIcon::Text => &["xterm", "ibeam"],
CursorIcon::VerticalText => &[],
CursorIcon::Alias => &["link"],
CursorIcon::Copy => &[],
CursorIcon::Move => &[],
CursorIcon::NoDrop => &["circle"],
CursorIcon::NotAllowed => &["crossed_circle", "forbidden"],
CursorIcon::Grab => &["openhand", "fleur"],
CursorIcon::Grabbing => &["closedhand"],
CursorIcon::EResize => &["right_side"],
CursorIcon::NResize => &["top_side"],
CursorIcon::NeResize => &["top_right_corner"],
CursorIcon::NwResize => &["top_left_corner"],
CursorIcon::SResize => &["bottom_side"],
CursorIcon::SeResize => &["bottom_right_corner"],
CursorIcon::SwResize => &["bottom_left_corner"],
CursorIcon::WResize => &["left_side"],
CursorIcon::EwResize => &["h_double_arrow", "size_hor"],
CursorIcon::NsResize => &["v_double_arrow", "size_ver"],
CursorIcon::NeswResize => &["fd_double_arrow", "size_bdiag"],
CursorIcon::NwseResize => &["bd_double_arrow", "size_fdiag"],
CursorIcon::ColResize => &["split_h", "h_double_arrow", "sb_h_double_arrow"],
CursorIcon::RowResize => &["split_v", "v_double_arrow", "sb_v_double_arrow"],
CursorIcon::AllScroll => &["size_all"],
CursorIcon::ZoomIn => &[],
CursorIcon::ZoomOut => &[],
CursorIcon::DndAsk => &["copy"],
CursorIcon::AllResize => &["move"],
}
}
}
impl core::fmt::Display for CursorIcon {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.write_str(self.name())
}
}
impl core::str::FromStr for CursorIcon {
type Err = ParseError;
/// Parse a string slice into [`CursorIcon`].
///
/// The `name` is a lower kebab case [`CursorIcon`] variant name, e.g.
/// `nesw-resize`. The set of possible valid `name` values matches exactly
/// the set of [`CursorIcon::name`] outputs.
fn from_str(name: &str) -> Result<Self, Self::Err> {
match name {
"default" => Ok(CursorIcon::Default),
"context-menu" => Ok(CursorIcon::ContextMenu),
"help" => Ok(CursorIcon::Help),
"pointer" => Ok(CursorIcon::Pointer),
"progress" => Ok(CursorIcon::Progress),
"wait" => Ok(CursorIcon::Wait),
"cell" => Ok(CursorIcon::Cell),
"crosshair" => Ok(CursorIcon::Crosshair),
"text" => Ok(CursorIcon::Text),
"vertical-text" => Ok(CursorIcon::VerticalText),
"alias" => Ok(CursorIcon::Alias),
"copy" => Ok(CursorIcon::Copy),
"move" => Ok(CursorIcon::Move),
"no-drop" => Ok(CursorIcon::NoDrop),
"not-allowed" => Ok(CursorIcon::NotAllowed),
"grab" => Ok(CursorIcon::Grab),
"grabbing" => Ok(CursorIcon::Grabbing),
"e-resize" => Ok(CursorIcon::EResize),
"n-resize" => Ok(CursorIcon::NResize),
"ne-resize" => Ok(CursorIcon::NeResize),
"nw-resize" => Ok(CursorIcon::NwResize),
"s-resize" => Ok(CursorIcon::SResize),
"se-resize" => Ok(CursorIcon::SeResize),
"sw-resize" => Ok(CursorIcon::SwResize),
"w-resize" => Ok(CursorIcon::WResize),
"ew-resize" => Ok(CursorIcon::EwResize),
"ns-resize" => Ok(CursorIcon::NsResize),
"nesw-resize" => Ok(CursorIcon::NeswResize),
"nwse-resize" => Ok(CursorIcon::NwseResize),
"col-resize" => Ok(CursorIcon::ColResize),
"row-resize" => Ok(CursorIcon::RowResize),
"all-scroll" => Ok(CursorIcon::AllScroll),
"zoom-in" => Ok(CursorIcon::ZoomIn),
"zoom-out" => Ok(CursorIcon::ZoomOut),
_ => Err(ParseError { _private: () }),
}
}
}
/// An error which could be returned when parsing [`CursorIcon`].
///
/// This occurs when the [`FromStr`] implementation of [`CursorIcon`] fails.
///
/// [`FromStr`]: core::str::FromStr
#[derive(Debug, PartialEq, Eq, Hash)]
pub struct ParseError {
_private: (),
}
impl core::fmt::Display for ParseError {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.write_str("failed to parse cursor icon")
}
}
#[cfg(feature = "std")]
impl std::error::Error for ParseError {}