[Wayland-bugs] [Bug 63874] New: Add support for "scrolling while DND" on DND protocol

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63874

          Priority: medium
            Bug ID: 63874
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: Add support for "scrolling while DND" on DND protocol
          Severity: enhancement
    Classification: Unclassified
                OS: All
          Reporter: nbenitezl at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: wayland
           Product: Wayland

Hi, I take the chance that Wayland DND protocol is in its early stages to bring
attention to a cool feature that was recently added to XDND[1] spec but never
got to be implemented in GTK+, that is, to being able to scroll the target
while DND by using mousewheel.

Basically we need support for the source widget to receive scroll events and
transmit them to the target widget so the destination widget can scroll
accordingly.

Some example usescase to get an idea: 
- Drag some text in gedit and then go to nautilus and scroll to reach some
folder where to drop it.
- Drag some file in a nautilus pane/window and go to another pane/window and
scroll to reach a folder where to drop it.

[1] XDND spec added support for scrolling target in June 17, 2009 see
http://www.newplanetsoftware.com/xdnd/#ChangeLog

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