int
SoXipOverlayTransformBoxManip::pickControlPoint( SoHandleEventAction* action )
{
if( mControlPointsSwitch->whichChild.getValue() != -1 )
{
SbVec2f mousePt = action->getEvent()->getNormalizedPosition( action->getViewportRegion() );
SbVec3f screenPt;
const SbVec3f* point = mControlPointsCoords->point.getValues(0);
int numPoints = mControlPointsCoords->point.getNum();
for( int i = 0; i < numPoints; ++ i )
{
mViewVolume.projectToScreen( point[i], screenPt );
SbVec2f d = SbVec2f( screenPt[0], screenPt[1] ) - mousePt;
if( d.length() < 0.01 )
return i;
}
}
return -1;
}
int
IfHasher::addVector(const SbVec2f &newVector)
{
ASSERT(vectorDict != NULL);
ASSERT(dimension == 2);
// See if we need to add this one, or is it already there
int index;
SbBool notThere = addIfNotThere(newVector.getValue(), index);
// If it's not there, we need to add it to the field
if (notThere)
vectors2[index] = newVector;
return index;
}
void SoFCColorBar::handleEvent (SoHandleEventAction *action)
{
const SoEvent * event = action->getEvent();
// check for mouse button events
if (event->getTypeId().isDerivedFrom(SoMouseButtonEvent::getClassTypeId())) {
const SoMouseButtonEvent* e = static_cast<const SoMouseButtonEvent*>(event);
// calculate the mouse position relative to the colorbar
//
const SbViewportRegion& vp = action->getViewportRegion();
float fRatio = vp.getViewportAspectRatio();
SbVec2f pos = event->getNormalizedPosition(vp);
float pX,pY; pos.getValue(pX,pY);
pX = pX*10.0f-5.0f;
pY = pY*10.0f-5.0f;
// now calculate the real points respecting aspect ratio information
//
if (fRatio > 1.0f) {
pX = pX * fRatio;
}
else if (fRatio < 1.0f) {
pY = pY / fRatio;
}
// check if the cursor is near to the color bar
if (_fMinX > pX || pX > _fMaxX || _fMinY > pY || pY > _fMaxY)
return; // not inside the rectangle
// left mouse pressed
action->setHandled();
if ((e->getButton() == SoMouseButtonEvent::BUTTON1)) {
if (e->getState() == SoButtonEvent::DOWN) {
// double click event
if (_timer.restart() < QApplication::doubleClickInterval()) {
QApplication::postEvent(
new SoFCColorBarProxyObject(this),
new QEvent(QEvent::User));
}
}
}
// right mouse pressed
else if ((e->getButton() == SoMouseButtonEvent::BUTTON2)) {
if (e->getState() == SoButtonEvent::UP) {
SoFCColorBarBase* current = getActiveBar();
QMenu menu;
int i=0;
for (std::vector<SoFCColorBarBase*>::const_iterator it = _colorBars.begin(); it != _colorBars.end(); ++it) {
QAction* item = menu.addAction(QLatin1String((*it)->getColorBarName()));
item->setCheckable(true);
item->setChecked((*it) == current);
item->setData(QVariant(i++));
}
menu.addSeparator();
QAction* option = menu.addAction(QObject::tr("Options..."));
QAction* action = menu.exec(QCursor::pos());
if (action == option) {
QApplication::postEvent(
new SoFCColorBarProxyObject(this),
new QEvent(QEvent::User));
}
else if (action) {
int id = action->data().toInt();
pColorMode->whichChild = id;
}
}
}
}
}