Use cursor-icon crate for CursorIcon

This crate is aimed to simplify handling of cursor icon across
various crates and be used in the public API.

src/window.rs

@@ -15,6 +15,9 @@ use crate::{
 
 pub use crate::icon::{BadIcon, Icon};
 
+#[doc(inline)]
+pub use cursor_icon::{CursorIcon, ParseError as CursorIconParseError};
+
 /// Represents a window.
 ///
 /// # Example
@@ -1388,66 +1391,6 @@ pub enum CursorGrabMode {
     Locked,
 }
 
-/// Describes the appearance of the mouse cursor.
-#[derive(Debug, Default, Copy, Clone, PartialEq, Eq, Hash)]
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
-pub enum CursorIcon {
-    /// The platform-dependent default cursor.
-    #[default]
-    Default,
-    /// A simple crosshair.
-    Crosshair,
-    /// A hand (often used to indicate links in web browsers).
-    Hand,
-    /// Self explanatory.
-    Arrow,
-    /// Indicates something is to be moved.
-    Move,
-    /// Indicates text that may be selected or edited.
-    Text,
-    /// Program busy indicator.
-    Wait,
-    /// Help indicator (often rendered as a "?")
-    Help,
-    /// Progress indicator. Shows that processing is being done. But in contrast
-    /// with "Wait" the user may still interact with the program. Often rendered
-    /// as a spinning beach ball, or an arrow with a watch or hourglass.
-    Progress,
-
-    /// Cursor showing that something cannot be done.
-    NotAllowed,
-    ContextMenu,
-    Cell,
-    VerticalText,
-    Alias,
-    Copy,
-    NoDrop,
-    /// Indicates something can be grabbed.
-    Grab,
-    /// Indicates something is grabbed.
-    Grabbing,
-    AllScroll,
-    ZoomIn,
-    ZoomOut,
-
-    /// Indicate that some edge is to be moved. For example, the 'SeResize' cursor
-    /// is used when the movement starts from the south-east corner of the box.
-    EResize,
-    NResize,
-    NeResize,
-    NwResize,
-    SResize,
-    SeResize,
-    SwResize,
-    WResize,
-    EwResize,
-    NsResize,
-    NeswResize,
-    NwseResize,
-    ColResize,
-    RowResize,
-}
-
 /// Defines the orientation that a window resize will be performed.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum ResizeDirection {