Method SceneTreeItemDoubleClicked

source/interfaces/implementation/src/G4UIQt.cc:1927–1957

}

void G4UIQt::SceneTreeItemDoubleClicked(QTreeWidgetItem* item)
{
  if (item == nullptr) return;
  auto sceneTreeItem = ConvertToG4SceneTreeItem(item);
  if (sceneTreeItem == nullptr) return;
  if (sceneTreeItem->GetType() != G4SceneTreeItem::touchable) return;

  auto oldQColor = ConvertG4ColourToQColor(sceneTreeItem->GetVisAttributes().GetColour());
  auto newQColor = QColorDialog::getColor
  (oldQColor, fNewSceneTreeItemTreeWidget, "", QColorDialog::ShowAlphaChannel);
  if (!newQColor.isValid()) return;
  if (newQColor == oldQColor) return;

  auto newColour = ConvertQColorToG4Colour(newQColor);
  std::ostringstream oss; oss << std::setprecision(2)
  << newColour.GetRed() << ' ' << newColour.GetGreen()
  << ' ' << newColour.GetBlue() << ' ' << newColour.GetAlpha();
  auto uiMan = G4UImanager::GetUIpointer();
  uiMan->ApplyCommand("/vis/set/touchable" + sceneTreeItem->GetPVPath());
  uiMan->ApplyCommand("/vis/touchable/set/colour " + oss.str());

  // Normally the sceneTreeItem will be updated when the scene is processed after the above
  // commands, but if the user sets the opacity to zero, G4PhysicalVolumeModel does not
  // transmit it (this is because some users set the opacity to zero to make a volume
  // invisible - perhaps they should use the visibility flag, but hey-ho).
  // By design, the sceneTreeItem remains, so it can still be interacted with, but
  // the colour will not be updated, so we do it here.
  if (newColour.GetAlpha() == 0.) {
    sceneTreeItem->AccessVisAttributes().SetColour(newColour);
  }
}

void G4UIQt::SceneTreeItemExpanded(QTreeWidgetItem* item)
{