Fix macOS mouse movement

* lisp/frame.el (ns-set-mouse-absolute-pixel-position): New
function (Lisp).
(set-mouse-absolute-pixel-position): Change it to call
`ns-set-mouse-absolute-pixel-position' on macOS.
* src/nsfns.m (Fns_set_mouse_absolute_pixel_position): New
function.
* src/nsterm.h (NS_PARENT_WINDOW_TOP_POS): Use the primary
screen's height as a base for calculating global coordinates.
* src/nsterm.m (frame_set_mouse_pixel_position): Fix it in macOS.
* test/lisp/mouse-tests.el (bug26816-mouse-frame-movement): Test
movement of mouse relative to frame.

1 files changed, 3 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index eeb7c773acc..1b1fec3e914 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1321,6 +1321,9 @@ This is in contrast to the default action on POSIX Systems, where it
 causes the receiving process to terminate with a core dump if no
 debugger has been attached to it.
 
+** `set-mouse-position' and `set-mouse-absolute-pixel-position' work
+on macOS.
+
 
 ----------------------------------------------------------------------
 This file is part of GNU Emacs.