[vtk-developers] vtkSeedWidget proposed modifications

[Karthik Krishnan]

Hi Dean,

Thanks for improving the behavior of the widget.

Is any API broken in the process, or is it restricted to an
improvement in behaviour ?

If so, please commit it.

Thanks

--
karthik

On Tue, Apr 15, 2008 at 6:30 PM, Dean Inglis <dean.inglis at sympatico.ca> wrote:
> I've been working with vtkSeedWidget/Representation and noticed
>  some (IMHO) odd behaviour. When the widget is activated and seeds
>  are placed, the cursor is set to VTK_CURSOR_HAND.  When the
>  widget is deactivated, the cursor is not reset to default.
>  Also, if one defines a set of seeds, disables the widget,
>  then the seeds (vtkHandleWidgets) are disabled. If one
>  re-enables the seed widget, the seeds are NOT re-enabled.
>  Finally, if one presses the delete key, the seeds are deleted
>  from most recently added back to first added.  I would like
>  to propose the following changes, which I have implemented and
>  am prepared to commit if there are no objections:
>  1) on disable, reset the cursor to VTK_CURSOR_DEFAULT
>  2) on enable, if there are seeds already defined, re-enable those
>    seeds and display them
>  3) seeds can only be deleted by delete key
>  4) if the user clicks on a seed, thereby setting the ActiveSeed in
>    the seed rep, then that seed is deleted.  This required changing
>    the stl container types in the widget and its representation to stl::list
>    from stl::vector.
>
>  Dean
>
>  _______________________________________________
>  vtk-developers mailing list
>  vtk-developers at vtk.org
>  http://www.vtk.org/mailman/listinfo/vtk-developers