[vtkusers] help

[John Platt]

Hi Isabelle,

 

Have you tried letting VTK create it’s own window in your control –
something like –

 

CWnd* pWnd = GetDlgItem(IDC_RECT);

HWND hWnd = pWnd->GetSafeHwnd();

myRenderWindow->SetParentId( hWnd );

 

 // Change the size of the VTK window to match the client area.

 CRect rect;

 pWnd->GetClientRect( &rect );

 myInteractor->UpdateSize( rect.right-rect.left, rect.bottom-rect.top );


 

and use it’s own WndProc() instead of your override? (you must remove
myInteractor->SetInstallMessageProc(false)).

 

John.

 

-----Original Message-----
From: vtkusers-bounces+jcplatt=lineone.net at vtk.org
[mailto:vtkusers-bounces+jcplatt=lineone.net at vtk.org] On Behalf Of
Renaud Isabelle
Sent: 26 August 2005 15:42
To: John Platt
Cc: vtkusers at vtk.org
Subject: RE: [vtkusers] help

 

Hi,

 

I am still locked with problems of handling interaction between MFC
interface and vtkRenderWindow. The main problem is that my render window
is just a small part of my MFC window (CView). 

 

To resume, I tried 2 possibilities:

 

-1- 

 myRenderWindow->SetParentId(this->m_hWnd);
 myRenderWindow->WindowInitialize();

 CRect rect;
 GetDlgItem(IDC_RECT)->GetWindowRect(rect);
  myRenderWindow->SetPosition(rect.left,rect.top);
  myRenderWindow->SetSize(rect.Width(),rect.Height());

 

But in this case, clicks in the MFC window are fine but clicks in the
render window are not always correctly handled. I couldn't figure out
why mouse clicks are only handled when  happening outside the render
window. 

 

-2- 

 

CWnd* pWnd = GetDlgItem(IDC_RECT);
myRenderWindow ->SetParentId(this->m_hWnd);
myRenderWindow ->SetWindowId(pWnd->GetSafeHwnd());
myRenderWindow ->WindowInitialize();
 pWnd->ShowWindow(SW_SHOW);

 

This seems better but now, I got problems while repainting that I didn't
have with the 1st solution: my render window appears only when the CWnd
associated to it, is visible with 

ShowWindow(SW_SHOW)). But, by doing this, the MFC window itself is also
visible and every paint called, I have to click on the render window
that I can't see to make it appear. So strange! what I would like to
have is a render window visible but not the rectangle that contains it. 

 

- So, none of these solutions works fine.  I don't know what else to
try. I checked out in the code and it seems that, to handle my paint
problem, maybe, I could set the Device context to the same than my
parent's with SetDisplayId. But I couldn't find examples that implement
SetDisplayId(). What is the use of this function? Could it be the
solution to my problem. 

 

Isabelle

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