Method VisParameterCallback

source/interfaces/implementation/src/G4UIQt.cc:5260–5323

Callback when one of the scene/vis parameters has changed */

/** Callback when one of the scene/vis parameters has changed
 */
void G4UIQt::VisParameterCallback(QWidget* widget)
{
  if (widget == nullptr) {
    return;
  }

  // Look in all the Grid layout, but only column 1 (0 is the parameter name)
  auto grid = dynamic_cast<QGridLayout*>(widget->layout());
  if (grid == nullptr) {
    return;
  }
  QString command;
  QWidget* name = grid->itemAtPosition(grid->rowCount() - 1, 0)->widget();
  if (dynamic_cast<QLabel*>(name) == nullptr) {
    return;
  }
  command += (dynamic_cast<QLabel*>(name))->text() + " ";

  for (G4int a = 0; a < grid->rowCount() - 1; ++a) {
    QWidget* widgetTmp = grid->itemAtPosition(a, 1)->widget();

    // 4 kind of widgets : QLineEdit / QComboBox / radioButtonsGroup / QPushButton (color chooser)
    if (widgetTmp != nullptr) {
      if (dynamic_cast<QLineEdit*>(widgetTmp) != nullptr) {
        command += (dynamic_cast<QLineEdit*>(widgetTmp))->text() + " ";
      }
      else if (dynamic_cast<QComboBox*>(widgetTmp) != nullptr) {
        command += (dynamic_cast<QComboBox*>(widgetTmp))
                     ->itemText((dynamic_cast<QComboBox*>(widgetTmp))->currentIndex()) +
                   " ";

        // Color chooser
      }
      else if (dynamic_cast<QPushButton*>(widgetTmp) != nullptr) {
        command += widgetTmp->accessibleName() + " ";

        // Check for Button group
      }
      else if (dynamic_cast<QWidget*>(widgetTmp) != nullptr) {
        if (widgetTmp->layout()->count() > 0) {
          if (dynamic_cast<QRadioButton*>(widgetTmp->layout()->itemAt(0)->widget()) != nullptr) {
            QAbstractButton* checked =
              (dynamic_cast<QRadioButton*>(widgetTmp->layout()->itemAt(0)->widget()))
                ->group()
                ->checkedButton();
            if (checked != nullptr) {
              command += (dynamic_cast<QRadioButton*>(widgetTmp->layout()->itemAt(0)->widget()))
                           ->group()
                           ->checkedButton()
                           ->text() +
                         " ";
            }
          }
        }
      }
    }
  }
  if (command != "") {