[vtkusers] Handling "holding down" a key

[David Gobbi]

Didn't David Cole just tell you how hard it is to read commits that
mix style changes with functional changes?  And I'm not the best
person to review this... I don't use VTK's built-in InteractorStyles.

  David


On Sun, Sep 12, 2010 at 10:38 AM, David Doria <daviddoria+vtk at gmail.com> wrote:
>>> Hi David,
>>>
>>> Clicking the 'x' key to change the state is preferable.  You just need
>>> to add a visual cue to inform the user of the current state, e.g. you
>>> can change the shape of the mouse cursor or draw a horizontal arrow
>>> somewhere.
>>>
>>>  David
>
> @David G.
>
> I made branch here:
>
> repo: git at github.com:daviddoria/daviddoria-vtk.git
> branch: VTK-TrackballActor
>
> Would you mind taking a look?
>
> (These two commits:
> http://github.com/daviddoria/daviddoria-vtk/commit/687ed4819ae61e169ca016e3442e9f778b0ef5d9
> and http://github.com/daviddoria/daviddoria-vtk/commit/1671de6acf35a3d1cb4cd44f1fdb481b50e17e3e)
>
> As for "change the shape of the mouse cursor or draw a horizontal
> arrow somewhere." - it may be unnecessary overhead to force a text
> actor or some other orientation marker into the scene. It really isn't
> that hard to keep track of mentally :)
>
> @Jim - just as above, I didn't want to force an orientationWidget to
> be present to allow for generic use of this.
>
> Thanks,
>
> David
>