[ptx] better control point ui (was release version 0.4?)

[Pablo d'Angelo]

On Sat, 13 Dec 2003, Ed Halley wrote:

> The only other important UI thing I might change in this area is to
> disable the controls which can adjust a point, if no point is selected
> in the list box.  My first few runs of hugin were confusing because I
> thought they were setting a mode, like "change this to vert, then add
> the points."

Hmm, yes you are right. the thing is, when should they be disabled?
another problem is that most of the time, a point is selected. actually
I belive there is no way for a user to deselect a list item.

Even if there was, the fields will still carry the "change selected point"
sematics and not the "set parameters for next point pair that will be
added". And users would fall into the same trap.

I can't think of a nice, intuitive, foolproof solution that incorporates
both sematics. Maybe you have an idea how this should be handled?

If support for control lines is desired, much of this has to be changed
anyway.

> These controls are best use to change an existing point if
> the automatic decision was made incorrectly.

agree.

ciao
  Pablo
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