[vtkusers] KeyPressEvent Tcl

H.Huisman at rad.umcn.nl H.Huisman at rad.umcn.nl
Wed Nov 15 11:04:51 EST 2006


I'll send you some snippets from our tcl code:

[winGetRenderWindowInteractor $viewer] AddObserver KeyPressEvent \
	"cbKeyPressEvent $viewer"

proc cbKeyPressEvent {v} {
 ....
set key [[winGetRenderWindowInteractor $viewer] GetKeySym]
...
}

Good luck!

-----Oorspronkelijk bericht-----
Van: Robert V Canning [mailto:Robert.V.Canning at usa.dupont.com] 
Verzonden: woensdag 15 november 2006 12:36
Aan: vtkusers at vtk.org
Onderwerp: [vtkusers] KeyPressEvent Tcl


Hi,

      I am trying to capture when a user presses the arrow keys.  I  am
using the KeyPressEvent observer to trap for key strokes but I am unable
to
find out how to test for the arrow keys in Tcl.   Is there anything like
a
constant I can use?

      if {$keypressed == LeftArrow){
            dosomething {}
      }

I am using VTK 5.0.2 with Tcl 8.4.13 on a Windows XP system.

Thanks,

Bob

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