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fix: distinguish grab and grabbing cursors (#1154)

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On macOS, there is a difference between a "grab" cursor and a "grabbing"
cursor, where "grab" is an open-hand cursor used during a hover, and
"grabbing" is a closed-hand cursor used on a click. These, and other
native MacOS cursors, can be seen at the [NSCursor documentation](https://developer.apple.com/documentation/appkit/nscursor?language=objc).

See https://github.com/hecrj/iced/issues/9 for the motivation for this
PR.
This commit is contained in:
hafiz 2019-09-12 18:38:44 -05:00 • committed by Hal Gentz
parent b6de19e92e
commit 36f4eccb5c
3 changed files with 6 additions and 1 deletions
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4
src/platform_impl/macos/util/cursor.rs
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@ -15,10 +15,12 @@ pub enum Cursor {
impl From<CursorIcon> for Cursor {
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::Grabbing | CursorIcon::Grab => Cursor::Native("closedHandCursor"),
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"),