[Chimera-users] Will ChimeraX be built with a universal undo?

[Tom Goddard]

Hi Oliver,

  We would like to have undo in ChimeraX.  I envision being able to undo the things you most commonly want to undo: color change, selection change, moving one model relative to another, maybe molecule style change (ribbon, sticks, which residues), maybe show/hide changes.  These will be accessible from a standard single Undo menu entry which will tell you the most recent action which would be undone.  But undo won’t undo everything.  I don’t think we will undo deleting atoms or molecules, adding hydrogens, basically creating and deleting things.  None of this undo is in ChimeraX yet.  I would be happy to hear if there are more common undo cases.  I will likely add them one-by-one so knowing the most important ones is helpful if you have suggestions for that.

	Tom


> On Feb 10, 2016, at 5:39 AM, Oliver Clarke  wrote:
> 
> I realise this is probably impossible to alter in the current version of chimera, but will the next-gen Chimera be built with a universal (or at least much expanded) undo function (or set of functions)? Or if not what are the devs thoughts on this - I know it is a complicated issue, but the capacity to backtrack after making a color change, deleting a selection, etc, would be very very welcome.
> 
> Cheers,
> Oli
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