suppress warning

GUI/View/Device/DetectorAlignmentForm.cpp

@@ -14,6 +14,7 @@
 
 #include "GUI/View/Device/DetectorAlignmentForm.h"
 #include "GUI/Model/Detector/DetectorItem.h"
+#include "GUI/Support/Tool/LayoutUtil.h"
 #include "GUI/View/Numeric/ComboUtil.h"
 #include "GUI/View/Numeric/DoubleSpinBox.h"
 #include "GUI/View/Numeric/NumWidgetUtil.h"
@@ -41,17 +42,22 @@ DetectorAlignmentForm::DetectorAlignmentForm(QWidget* parent, DetectorItem* item
     , m_item(item)
 {
     ASSERT(m_item);
-    m_formLayout = new QFormLayout(this);
-    m_formLayout->setContentsMargins(0, 15, 0, 0);
-    m_formLayout->setSpacing(8);
-
-    m_formLayout->addRow("Alignment:", GUI::Util::createSafeComboBox(
-                                           [item] { return item->detectorAlignmentCombo(); },
-                                           [this, item](const QString& t) {
-                                               item->setDetectorAlignment(t);
-                                               createAligmentWidgets();
-                                               emit dataChanged();
-                                           }));
+    QFormLayout* mainLayout = new QFormLayout(this);
+    mainLayout->setContentsMargins(0, 15, 0, 0);
+    mainLayout->setSpacing(8);
+
+    mainLayout->addRow("Alignment:", GUI::Util::createSafeComboBox(
+                                         [item] { return item->detectorAlignmentCombo(); },
+                                         [this, item](const QString& t) {
+                                             item->setDetectorAlignment(t);
+                                             createAligmentWidgets();
+                                             emit dataChanged();
+                                         }));
+
+    m_formLayout = new QFormLayout;
+    m_formLayout->setFieldGrowthPolicy(QFormLayout::FieldsStayAtSizeHint);
+    m_formLayout->setContentsMargins(0, 0, 0, 0);
+    mainLayout->addRow(m_formLayout);
 
     createAligmentWidgets();
 }
@@ -101,18 +107,13 @@ void DetectorAlignmentForm::addVector(QFormLayout* parentLayout, VectorProperty&
 
 void DetectorAlignmentForm::createAligmentWidgets()
 {
-    while (m_formLayout->rowCount() > 1)
-        m_formLayout->removeRow(1);
+    GUI::Util::Layout::clearLayout(m_formLayout);
 
     const QString descr = alignmentDescription(m_item->detectorAlignment());
-    auto* layout = new QFormLayout;
-    layout->setFieldGrowthPolicy(QFormLayout::FieldsStayAtSizeHint);
-    layout->setContentsMargins(0, 0, 0, 0);
-    m_formLayout->addRow("", layout);
 
     auto* layoutUVD = new QFormLayout;
     createSpinBox(layoutUVD, m_item->u0());
     createSpinBox(layoutUVD, m_item->v0());
     createSpinBox(layoutUVD, m_item->distance());
-    layout->addRow(descr + ":", layoutUVD);
+    m_formLayout->addRow(descr + ":", layoutUVD);
 }