show SLD units

GUI/Model/Sample/MaterialItem.cpp

@@ -46,10 +46,12 @@ MaterialItem::MaterialItem()
     m_beta.init("Beta", "Beta of refractive index (n = 1 - delta + i*beta)", 0.0, Unit::unitless, 3,
                 RealLimits::limitless(), "beta");
 
-    m_sldRe.init("SLD, real", "Real part of SLD (SLD = real - i*imag), AA^{-2}", 0.0,
-                 Unit::unitless, 3, RealLimits::limitless(), "sldRe");
-    m_sldIm.init("SLD, imaginary", "Imaginary part of SLD (SLD = real - i*imag), AA^{-2}", 0.0,
-                 Unit::unitless, 3, RealLimits::limitless(), "sldIm");
+    Unit sld_units = Unit::angstromMinus2;
+    QString sld_units_str = unitAsString(sld_units);
+    m_sldRe.init("SLD, real", "Real part of SLD (SLD = real - i*imag), " + sld_units_str, 0.0,
+                 sld_units, 3, RealLimits::limitless(), "sldRe");
+    m_sldIm.init("SLD, imaginary", "Imaginary part of SLD (SLD = real - i*imag), " + sld_units_str,
+                 0.0, sld_units, 3, RealLimits::limitless(), "sldIm");
 
     m_magnetization.init("Magnetization", "Magnetization (A/m)", "A/m", "magnetization");
 }

GUI/View/Numeric/DoubleLineEdit.cpp

@@ -28,6 +28,8 @@ DoubleLineEdit::DoubleLineEdit(QWidget* parent, const DoubleProperty& d)
     m_validator->setRange(minimum, maximum, 1000);
     setValidator(m_validator);
 
+    setToolTip(d.tooltip());
+
     updateBaseValue();
 
     connect(this, &QLineEdit::editingFinished, this, &DoubleLineEdit::onEditingFinished);
@@ -43,6 +45,14 @@ void DoubleLineEdit::updateBaseValue()
     setBaseValue(m_valueProperty.value());
 }
 
+QString DoubleLineEdit::displayUnitAsString() const
+{
+    if (std::holds_alternative<QString>(m_valueProperty.unit()))
+        return std::get<QString>(m_valueProperty.unit());
+
+    return unitAsString(std::get<Unit>(m_valueProperty.unit()));
+}
+
 void DoubleLineEdit::onEditingFinished()
 {
     const double new_value = text().toDouble();

GUI/View/Numeric/DoubleLineEdit.h

@@ -35,6 +35,7 @@ public:
 
     void updateBaseValue();
 
+    QString displayUnitAsString() const;
 signals:
     //! Emitted whenever the value changes.
     //!

GUI/View/SampleDesigner/LayerEditorUtils.cpp

@@ -21,6 +21,7 @@
 #include "GUI/Model/Sample/ParticleItem.h"
 #include "GUI/Model/Sample/ProfileItems.h"
 #include "GUI/Model/Sample/RoughnessItems.h"
+#include "GUI/View/Numeric/DoubleLineEdit.h"
 #include "GUI/View/Numeric/DoubleSpinBox.h"
 #include "GUI/View/SampleDesigner/CompoundForm.h"
 #include "GUI/View/SampleDesigner/CoreAndShellForm.h"
@@ -62,6 +63,8 @@ void LayerEditorUtils::updateLabelUnit(QLabel* label)
 {
     if (auto* editor = dynamic_cast<DoubleSpinBox*>(label->buddy()))
         ::updateLabelUnit(label, editor->displayUnitAsString());
+    else if (auto* editor = dynamic_cast<DoubleLineEdit*>(label->buddy()))
+        ::updateLabelUnit(label, editor->displayUnitAsString());
 }
 
 void LayerEditorUtils::addMultiPropertyToGrid(QGridLayout* m_gridLayout, int firstCol,