Method CreateCommandWidget

source/interfaces/implementation/src/G4UIQt.cc:4345–4616

Create a widget with the command parameters inside @param command: command line @parent : parent widget @isDialog : true if we want apply/cancel button and close at end, false if we want only apply */

    @isDialog : true if we want apply/cancel button and close at end, false if we want only apply
*/
G4bool G4UIQt::CreateCommandWidget(G4UIcommand* aCommand, QWidget* aParent, G4bool isDialog)
{
  if (aCommand == nullptr) {
    return false;
  }

  // parameters
  auto n_parameterEntry = (G4int)aCommand->GetParameterEntries();
  if (n_parameterEntry > 0) {
    G4UIparameter* param;

    // Re-implementation of G4UIparameter.cc
    auto paramWidget = new QWidget();
    auto gridLayout = new QGridLayout();
    paramWidget->setLayout(gridLayout);

    // Special case for colour, try to display a color chooser if we found red/green/blue parameter
    unsigned int nbColorParameter = 0;
    G4bool isStillColorParameter = false;
    G4bool isColorDialogAdded = false;
    QLabel* redLabel = nullptr;
    QLabel* greenLabel = nullptr;
    QString redDefaultStr = "";
    QString greenDefaultStr = "";
    QString blueDefaultStr = "";
    QWidget* redInput = nullptr;
    QWidget* greenInput = nullptr;

    for (G4int i_thParameter = 0; i_thParameter < n_parameterEntry; i_thParameter++) {
      QString txt;
      param = aCommand->GetParameter(i_thParameter);
      auto label = new QLabel(QString((char*)(param->GetParameterName()).data()));

      if ((label->text() == "red") || (label->text() == "red_or_string")) {
        nbColorParameter++;
        isStillColorParameter = true;
      }
      else if ((label->text() == "green") && isStillColorParameter) {
        nbColorParameter++;
      }
      else if ((label->text() == "blue") && isStillColorParameter) {
        nbColorParameter++;
      }
      else if (! isColorDialogAdded) {
        // not following red/green/blue parameters ?
        if (nbColorParameter == 1) {
          gridLayout->addWidget(redLabel, i_thParameter - 1, 0);
          gridLayout->addWidget(redInput, i_thParameter - 1, 1);
        }
        else if (nbColorParameter == 2) {
          gridLayout->addWidget(redLabel, i_thParameter - 2, 0);
          gridLayout->addWidget(redInput, i_thParameter - 2, 1);
          gridLayout->addWidget(greenLabel, i_thParameter - 1, 0);
          gridLayout->addWidget(greenInput, i_thParameter - 1, 1);
        }
        nbColorParameter = 0;
      }
      // Check parameter type, could be NULL if not found