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native/macos: Added support for CursorIcon::NESWResize and CursorIcon::NWSEResize #625

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native/macos: Added support for CursorIcon::NESWResize and CursorIcon::NWSEResize #625

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14 changes: 9 additions & 5 deletions src/native/apple/apple_util.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,12 @@ pub fn load_undocumented_cursor(cursor_name: &str) -> ObjcId {
unsafe {
let class = class!(NSCursor);
let sel = Sel::register(cursor_name);
let sel: ObjcId = msg_send![class, respondsToSelector: sel];
let id: ObjcId = msg_send![class, performSelector: sel];
let has_selector: BOOL = msg_send![class, respondsToSelector: sel];
let id: ObjcId = if has_selector != NO {
msg_send![class, performSelector: sel]
} else {
msg_send![class, arrowCursor]
};
id
}
}
Expand Down Expand Up @@ -433,6 +437,9 @@ pub fn load_mouse_cursor(cursor: CursorIcon) -> ObjcId {
CursorIcon::EWResize => load_native_cursor("resizeLeftRightCursor"),
CursorIcon::NSResize => load_native_cursor("resizeUpDownCursor"),

CursorIcon::NESWResize => load_undocumented_cursor("_windowResizeNorthEastSouthWestCursor"),
CursorIcon::NWSEResize => load_undocumented_cursor("_windowResizeNorthWestSouthEastCursor"),

// Undocumented cursors: https://stackoverflow.com/a/46635398/5435443
// Unfortunately undocumented cursors requires NSTracking areas that
// we do not use yet.
Expand All @@ -441,9 +448,6 @@ pub fn load_mouse_cursor(cursor: CursorIcon) -> ObjcId {
// //CursorIcon::ZoomIn => load_undocumented_cursor("_zoomInCursor"),
// //CursorIcon::ZoomOut => load_undocumented_cursor("_zoomOutCursor"),

// CursorIcon::NESWResize => load_undocumented_cursor("_windowResizeNorthEastSouthWestCursor"),
// CursorIcon::NWSEResize => load_undocumented_cursor("_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"),
Expand Down
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