[PATCH] protocol: replace the usage of selection with clipboard

Jasper St. Pierre jstpierre at mecheye.net
Thu Mar 13 12:15:38 PDT 2014

On Thu, Mar 13, 2014 at 3:12 PM, Bill Spitzak <spitzak at gmail.com> wrote:

> John Kåre Alsaker wrote:
>> On Wed, Mar 12, 2014 at 7:32 PM, Bill Spitzak <spitzak at gmail.com> wrote:
>>> Isn't Wayland differentiating between the "selection" and the clipboard?
>> It is not doing that at the moment. Only explicit clipboard actions
>> are supposed to be used.
>>  The selection is changed when the user selects an object.The clipboard is
>>> changed only when the user does a cut or copy operation.
>> There is no such thing as a selection in the Wayland protocol, even
>> though things are named 'selection'. It actually just refers to the
>> clipboard (or so I'm told).
> In that case this patch makes sense.
>  There is also drag & drop. Though in most cases this can be the same as
>>> the
>>> selection, I think there was some pathological examples showing that it
>>> has
>>> to be it's own piece of data.
>> Drag and drop is separate from the clipboard in the protocol.
> I believe then that drag & drop can be used for x-style selection.
> The idea is that a client can turn some action (such as a middle mouse
> click) into the same result as though the user dragged from a selected
> object and dropped at that point. Hopefully this can be done by reusing as
> much of the drag & drop api as possible.
> I don't think it has to be any more complex than that. There is only one
> potential drag source (whichever client last said it was a drag source,
> there is no attempt to choose from many potential drag sources to find the
> correct data type). The clients on either end are aware that this is
> happening so they can disable it or make the result different from drag &
> drop, though making it identical is encouraged.
> I do not believe that removing middle-mouse paste (or making it use the
> clipboard) will be acceptable to X users, so something MUST be done in
> Wayland.

Patches welcome. Complaining is not.

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