[vtkusers] ALT key

[Rodrigo Valiña Gutiérrez]

Hi,

It does not work.

With Ctrl+Alt, GetAltKey() returns 0. Also it behaves like Ctrl,
rotating around an axis.

I was looking for a key that does not modify the regular behavior
(rotation) of the scene...

--
Rodrigo

2010/5/19 Jérôme <jerome.velut at gmail.com>:
> 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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>