void SoFCCSysDragger::finishDragCB(void *data, SoDragger *)
{
SoFCCSysDragger *sudoThis = reinterpret_cast<SoFCCSysDragger *>(data);
// note: when creating a second view of the document and then closing
// the first viewer it deletes the camera. However, the attached field
// of the cameraSensor will be detached automatically.
SoField* field = sudoThis->cameraSensor.getAttachedField();
if (field)
{
SoCamera* camera = static_cast<SoCamera*>(field->getContainer());
if (camera->getTypeId() == SoPerspectiveCamera::getClassTypeId())
cameraCB(sudoThis, nullptr);
}
}
int
main(void)
{
SoDB::init();
SoNodeKit::init();
SoInteraction::init();
SoTypeList tl;
const unsigned int n = SoType::getAllDerivedFrom(SoNode::getClassTypeId(), tl);
for (unsigned int i=0; i < n; i++) {
(void)fprintf(stdout, "%s", tl[i].getName().getString());
SoFieldContainer * fc = (SoFieldContainer *)
(tl[i].canCreateInstance() ? tl[i].createInstance() : NULL);
if (fc == NULL) {
(void)fprintf(stdout, " (abstract)\n");
continue;
}
(void)fprintf(stdout, "\n");
SoFieldList fl;
const unsigned int nrf = fc->getAllFields(fl);
for (unsigned int j=0; j < nrf; j++) {
SoField * f = fl[j];
SoType ftype = f->getTypeId();
SbName fname;
f->getContainer()->getFieldName(f, fname);
(void)fprintf(stdout, " %s (%s)\n",
fname.getString(),
ftype.getName().getString());
if (ftype.isDerivedFrom(SoSFEnum::getClassTypeId())) {
list_enums((SoSFEnum *)f);
}
else if (ftype.isDerivedFrom(SoMFEnum::getClassTypeId())) {
list_enums((SoMFEnum *)f);
}
}
}
return 0;
}
void SoFCCSysDragger::idleCB(void *data, SoSensor *)
{
SoFCCSysDragger *sudoThis = reinterpret_cast<SoFCCSysDragger *>(data);
SoField* field = sudoThis->cameraSensor.getAttachedField();
if (field)
{
SoCamera* camera = static_cast<SoCamera*>(field->getContainer());
SbMatrix localToWorld = sudoThis->getLocalToWorldMatrix();
SbVec3f origin;
localToWorld.multVecMatrix(SbVec3f(0.0, 0.0, 0.0), origin);
SbViewVolume viewVolume = camera->getViewVolume();
float radius = sudoThis->draggerSize.getValue() / 2.0;
float localScale = viewVolume.getWorldToScreenScale(origin, radius);
SbVec3f scaleVector(localScale, localScale, localScale);
SoScale *localScaleNode = SO_GET_ANY_PART(sudoThis, "scaleNode", SoScale);
localScaleNode->scaleFactor.setValue(scaleVector);
sudoThis->autoScaleResult.setValue(localScale);
}
}