Re: [wxVTK] picking problem: need SetFocus in OnMouseDown?

[Mathieu M. <mat...@gm...>]

Hi Tim,

  Welcome to wxVTK ! Glad to see yet another VTK ol'timer on the list :)
  Your issue would make -sort of- sense if it was on the Mac. It would
at least be consistent with comments from contrib, see
src/stc/PlatWX.cpp (*).
  If you have time, could you check what happen if you implement
OnFocus/EVT_SET_FOCUS for wxVTK with something like cout << "OnFocus
called"

Thanks
-Mathieu


(*)
    void OnFocus(wxFocusEvent& event) {
        GetParent()->SetFocus();
        event.Skip();
    }

    void OnKillFocus(wxFocusEvent& WXUNUSED(event)) {
        // Do nothing.  Prevents base class from resetting the colors...
    }

#ifdef __WXMAC__
    // For some reason I don't understand yet the focus doesn't really leave
    // the listbox like it should, so if we get any events feed them back to
    // the wxSTC
    void OnKeyDown(wxKeyEvent& event) {
        GetGrandParent()->GetEventHandler()->ProcessEvent(event);
    }
    void OnChar(wxKeyEvent& event) {
        GetGrandParent()->GetEventHandler()->ProcessEvent(event);
    }

    // And we need to force the focus back when being destroyed
    ~wxSTCListBox() {
        GetGrandParent()->SetFocus();
    }
#endif
On 5/25/07, Sander Niemeijer <nie...@st...> wrote:
> Hi Tim,
>
> Which platform are you using?
>
> I know I had to do this explicit SetFocus in
> wxVTKRenderWindowInteractor::OnButtonDown for the Mac Carbon build,
> but as far as I remember it was not necessary for e.g. Linux/GTK.
>
> P.S. The latest version of wxVTK does not have a OnMouseDown, so I
> assume you are actually referring to OnButtonDown.
>
> Best regards,
> Sander Niemeijer
>
>
> On 24-mei-2007, at 13:49, Tim Hutton wrote:
>
> > Hello,
> >
> > When picking in my wxVTK window I sometimes get incorrect results.
> > This happens when I have a toolbar in the same frame window, and one
> > of the toolbar controls has focus. The picked location seems to be
> > vertically offset by the height of the toolbar.
> >
> > I have found that adding a call to SetFocus() near the top of
> > wxVTKRenderWindowInteractor::OnMouseDown() resolves the issue nicely.
> > It makes sense that the render window should get focus when clicked
> > on, I would suggest.
> >
> > Thanks,
> >
> > Tim
> >
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-- 
Mathieu