https://bugs.winehq.org/show_bug.cgi?id=26865
--- Comment #16 from Damjan Jovanovic damjan.jov@gmail.com --- (In reply to Roman Pišl from comment #15)
Hello folks, hello Damjan, do you plan to update your patches for current Wine? I can help with testing.
The patches led to a lengthy discussion:
https://www.winehq.org/pipermail/wine-devel/2015-March/106736.html https://www.winehq.org/pipermail/wine-devel/2015-March/106757.html https://www.winehq.org/pipermail/wine-devel/2015-March/106788.html https://www.winehq.org/pipermail/wine-devel/2015-March/106789.html
Since MacOSX uses a very different drag and drop API, this approach cannot be ported to Mac, and they essentially wanted it completely rewritten, so that the entire DoDragDrop() function is implemented by the graphics driver (like winex11.drv on X11) in all cases.