fn from()

in src/platform_impl/macos/util/cursor.rs [18:72]
46 lines of code
2 McCabe index (conditional complexity)

    fn from(cursor: CursorIcon) -> Self {
        // See native cursors at https://developer.apple.com/documentation/appkit/nscursor?language=objc.
        match cursor {
            CursorIcon::Arrow | CursorIcon::Default => Cursor::Native("arrowCursor"),
            CursorIcon::Hand => Cursor::Native("pointingHandCursor"),
            CursorIcon::Grab => Cursor::Native("openHandCursor"),
            CursorIcon::Grabbing => Cursor::Native("closedHandCursor"),
            CursorIcon::Text => Cursor::Native("IBeamCursor"),
            CursorIcon::VerticalText => Cursor::Native("IBeamCursorForVerticalLayout"),
            CursorIcon::Copy => Cursor::Native("dragCopyCursor"),
            CursorIcon::Alias => Cursor::Native("dragLinkCursor"),
            CursorIcon::NotAllowed | CursorIcon::NoDrop => {
                Cursor::Native("operationNotAllowedCursor")
            }
            CursorIcon::ContextMenu => Cursor::Native("contextualMenuCursor"),
            CursorIcon::Crosshair => Cursor::Native("crosshairCursor"),
            CursorIcon::EResize => Cursor::Native("resizeRightCursor"),
            CursorIcon::NResize => Cursor::Native("resizeUpCursor"),
            CursorIcon::WResize => Cursor::Native("resizeLeftCursor"),
            CursorIcon::SResize => Cursor::Native("resizeDownCursor"),
            CursorIcon::EwResize | CursorIcon::ColResize => Cursor::Native("resizeLeftRightCursor"),
            CursorIcon::NsResize | CursorIcon::RowResize => Cursor::Native("resizeUpDownCursor"),

            // Undocumented cursors: https://stackoverflow.com/a/46635398/5435443
            CursorIcon::Help => Cursor::Undocumented("_helpCursor"),
            CursorIcon::ZoomIn => Cursor::Undocumented("_zoomInCursor"),
            CursorIcon::ZoomOut => Cursor::Undocumented("_zoomOutCursor"),
            CursorIcon::NeResize => Cursor::Undocumented("_windowResizeNorthEastCursor"),
            CursorIcon::NwResize => Cursor::Undocumented("_windowResizeNorthWestCursor"),
            CursorIcon::SeResize => Cursor::Undocumented("_windowResizeSouthEastCursor"),
            CursorIcon::SwResize => Cursor::Undocumented("_windowResizeSouthWestCursor"),
            CursorIcon::NeswResize => Cursor::Undocumented("_windowResizeNorthEastSouthWestCursor"),
            CursorIcon::NwseResize => Cursor::Undocumented("_windowResizeNorthWestSouthEastCursor"),

            // While these are available, the former just loads a white arrow,
            // and the latter loads an ugly deflated beachball!
            // CursorIcon::Move => Cursor::Undocumented("_moveCursor"),
            // CursorIcon::Wait => Cursor::Undocumented("_waitCursor"),

            // An even more undocumented cursor...
            // https://bugs.eclipse.org/bugs/show_bug.cgi?id=522349
            // This is the wrong semantics for `Wait`, but it's the same as
            // what's used in Safari and Chrome.
            CursorIcon::Wait | CursorIcon::Progress => {
                Cursor::Undocumented("busyButClickableCursor")
            }

            // For the rest, we can just snatch the cursors from WebKit...
            // They fit the style of the native cursors, and will seem
            // completely standard to macOS users.
            // https://stackoverflow.com/a/21786835/5435443
            CursorIcon::Move | CursorIcon::AllScroll => Cursor::WebKit("move"),
            CursorIcon::Cell => Cursor::WebKit("cell"),
        }
    }