Setpickfiltercallback and events handling

[lydia coin <lydia_coin3d@xxxxxxxx>]

Hi folks

I'm using VC++ under windows and coin3D

I have the following code

SoSeparator *rootPoly=new SoSeparator;   rootPoly->ref();

 PtData->Callback=new SoEventCallback();  

 PtData->Callback->addEventCallback(SoKeyboardEvent::getClassTypeId(),callbackChgKey,PtData);
 PtData->Callback->addEventCallback(SoMouseButtonEvent::getClassTypeId(),callbackChgButton,PtData);

 SoSelection *sel = new SoSelection;  

 sel->ref();
 sel->policy.setValue(SoSelection::TOGGLE);
 sel->setPickFilterCallback(pickFilterCB,(void*)PtData, false);

sel->addChild(PtData->rootPts);
 sel->addChild(color);
 sel->addChild(rootPolyLine);
 sel->addChild(PtData->Callback);

rootPoly->addChild(sel);

My problem is that when I pick up the window, the function callbackChgButton() is called twice ( onmce for button up and once for button down) then the function pickFilterCB() is called.

How to solve this problem so that the function pickFilterCB() is called before the second call of callbackChgButton()

I can't find the solution and any help will be appreciated

 

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