[whatwg] Undo/Redo events

Daniel Danilatos daniel at danilatos.com
Tue Nov 24 22:09:19 PST 2009

Ooops, please ignore the dup, I thought I had sent the earlier one to
the wrong address. :)

On Wed, Nov 25, 2009 at 5:01 PM, Daniel Danilatos <daniel at danilatos.com> wrote:
> In reading the spec section 7.10 concerning Undo history, it's not
> clear to me if it's possible to prevent the browser's default behavior
> for a user-triggered undo or redo action. In Wave, we need to
> implement special undo/redo behavior using operational transform, to
> avoid undoing concurrent operations from other users. More abstractly,
> we want to control the undo/redo behavior ourselves, but still get the
> events triggered by the browser from actions like Ctrl+Z, context menu
> -> Undo, and Edit -> Undo. (Currently we only manually handle the key
> combo and cancel the key event).
> Dan

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