[Webkit-unassigned] [Bug 237292] New: [GTK] setDragImage ignores offset

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=237292

            Bug ID: 237292
           Summary: [GTK] setDragImage ignores offset
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P3
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: per at bothner.com
                CC: bugs-noreply at webkitgtk.org

Created attachment 453436

  --> https://bugs.webkit.org/attachment.cgi?id=453436&action=review

test of setDragImage offset

WebKitGtk (Epiphany/Gnome Web and Wry, tested on Fedora 35, updated) seem to ignore the xOffset/yOffset parameters passed to setDragImage.
The strange thing is that Safari works (tested on Catalina, updated) - and both report version 605.1.15.
FireFox and Google Chrome work as expected.

To reproduce, view the attached file in a browser. Do a mousedown over the word "here" and then drag the mouse without releasing.
A drag image is created of the "Drag here"+"Lower contents" elements, and follows the mouse as expected.
However, the image of the word "here" is supposed to be under the mouse cursor.
Instead the drag image is displaced so the center of the drag image is under the mouse cursor.

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