[PATCH v4] protocol: Add DnD actions

[Bill Spitzak]

On Fri, Oct 30, 2015 at 1:57 PM, Carlos Garnacho <carlosg at gnome.org> wrote:

>
> +    <enum name="dnd_action" since="3">
> +      <description summary="drag and drop actions">
> +        This is a bitmask of the available/preferred actions in a
> +        drag-and-drop operation.
> +
> +        The current reserved ranges are:
> +
> +        0x0000 - 0x00FF: Reserved for the wayland core protocol.
> +        0x01FF - 0xFFFF: Reserved for future toolkit-specific use. Slots
> +                         may be reserved.
>

Since this is a bitmap, the above is a little confusing. 0x101 is not
toolkit-specific, it is a combination of a toolkit-specific action and a
core action. Perhaps this:

 0x0001 - 0x0080: wayland core protocol actions
 0x0100 - 0x8000: toolkit-specific use

In general I don't think this really has to be documented, it sounds just
like any other experimental addition to the protocol. Maybe make a comment
that clients should ignore bits they don't recognize.
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