[vtkusers] ALT key

[Jérôme]

Hi,
The Alt key is expected to be triggered along with another key.
You can try a combination of ctrl+alt.

Jerome

2010/5/18 Rodrigo Valiña Gutiérrez <rodrigo.valina at usc.es>:
> Hi,
>
> I am using VTK 5.4.2 embedded in Python + wxWidgets
>
> I am trying to capture a key that does not modify the left click
> action by default.
>
> I use vtkRenderWindowInteractor and its methods:
>
>        a = self.iren.GetAltKey()
>        c = self.iren.GetControlKey()
>        s = self.iren.GetShiftKey()
>        kc = self.iren.GetKeyCode()
>        ks = self.iren.GetKeySym()
>
> CTRL rotates
> SHIFT displaces
> ALT is never reported, I think that because, at least in Windows, it
> triggers a menu event (selects the first menu in the menubar).
> the KeyCode is always '\x00'
> the KeySym is always None
>
> looking at the code of
> vtkRenderWindowInteractor::SetEventInformation(), I see that AltKey is
> never modified.
>
> So, is there any other key that I can use to do in my code a custom
> action when pressing left mouse button?
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