Method buildSceneControls

pj_app/src/ui/Scene3DConfigPanel.cpp:255–513

}

void Scene3DConfigPanel::buildSceneControls(QVBoxLayout* root) {
  QSettings settings;
  settings.beginGroup(QString::fromLatin1(kScene3dSceneControlsGroup));
  // Each control: init from QSettings (defaults = the User's look-dev pick),
  // persist + re-apply to the bound dock on every change.
  const auto wire = [this, &settings](auto* widget, const char* key, auto read, auto signal) {
    widget->setProperty("settings_key", QString::fromLatin1(key));
    if (const QVariant saved = settings.value(QString::fromLatin1(key)); saved.isValid()) {
      read(saved);
    }
    // Apply live every tick so the view tracks the scrubber.
    connect(widget, signal, this, [this]() { applySceneControls(); });
    // Persist only when the scrub/edit settles — one INI rewrite per drag.
    connect(widget, &ScrubberBase::editingFinished, this, [this, widget]() {
      const QString settings_key = widget->property("settings_key").toString();
      if (auto* dscrub = qobject_cast<DoubleScrubber*>(widget)) {
        persistControl(settings_key, dscrub->value());
      } else if (auto* iscrub = qobject_cast<IntScrubber*>(widget)) {
        persistControl(settings_key, iscrub->value());
      }
    });
  };

  // Eye toggles: checked = visible. Persisted like the other controls; the
  // icon mirrors the checked state (visibility / visibility_off). The shared
  // curveVisibilityToggle objectName picks up the QSS rule that keeps these
  // flat in every state — no checked/hover wash, the glyph is the indicator.
  const auto make_eye = [this, &settings](const char* key, const QString& tip) {
    auto* eye = new QToolButton(this);
    eye->setObjectName(QStringLiteral("curveVisibilityToggle"));
    eye->setCheckable(true);
    eye->setAutoRaise(true);
    eye->setFocusPolicy(Qt::NoFocus);
    eye->setToolTip(tip);
    sizeTrailingButton(eye);
    eye->setProperty("settings_key", QString::fromLatin1(key));
    eye->setChecked(settings.value(QString::fromLatin1(key), true).toBool());
    connect(eye, &QToolButton::toggled, this, [this, eye](bool checked) {
      persistControl(eye->property("settings_key").toString(), checked);
      setEyeIcon(eye, checked);
      applySceneControls();
    });
    return eye;
  };
  const auto add_band = [this, root](const QString& text) { root->addWidget(new SectionHeaderBand(text, this)); };

  // Each band's controls live in a 3-column grid: label | field | trailing
  // button. Column 1 stretches; column 2 is pinned to the trailing-button width
  // so plain rows line up with rows that carry an eye/add button — and the Grid
  // and Transforms sections align with each other. (A QFormLayout can't share a
  // trailing column across its rows, which is what caused the right-edge drift.)
  // The label column (0) is pinned to a shared width after both grids are built
  // (shareLabelColumn below) so the two sections' labels — and therefore fields —
  // line up vertically even though they are separate layouts.
  const auto add_grid = [this, root]() {
    auto* host = new QWidget(this);
    auto* grid = new QGridLayout(host);
    grid->setContentsMargins(8, 4, 8, 4);