Add a 'value' double to EditableDatumLabel such that we can store the raw value of the spinbox. For the case where editStopped but we still need to access value.

Also write the value in the SoDatumLabel in case we stopEdit.

src/Gui/EditableDatumLabel.cpp

@@ -51,6 +51,7 @@ EditableDatumLabel::EditableDatumLabel(View3DInventorViewer* view,
     : isSet(false)
     , autoDistance(autoDistance)
     , autoDistanceReverse(false)
+    , value(0.0)
     , viewer(view)
     , spinBox(nullptr)
     , cameraSensor(nullptr)
@@ -160,6 +161,7 @@ void EditableDatumLabel::startEdit(double val, QObject* eventFilteringObj, bool
     connect(spinBox, qOverload<double>(&QuantitySpinBox::valueChanged),
         this, [this](double value) {
         this->isSet = true;
+        this->value = value;
         Q_EMIT this->valueChanged(value);
     });
 }
@@ -167,6 +169,15 @@ void EditableDatumLabel::startEdit(double val, QObject* eventFilteringObj, bool
 void EditableDatumLabel::stopEdit()
 {
     if (spinBox) {
+        // write the spinbox value in the label.
+        Base::Quantity quantity = spinBox->value();
+
+        double factor{};
+        QString unitStr;
+        QString valueStr;
+        valueStr = quantity.getUserString(factor, unitStr);
+        label->string = SbString(valueStr.toUtf8().constData());
+
         spinBox->deleteLater();
         spinBox = nullptr;
     }
@@ -180,7 +191,8 @@ bool EditableDatumLabel::isInEdit()
 
 double EditableDatumLabel::getValue()
 {
-    return spinBox->rawValue();
+    // We use value rather than spinBox->rawValue() in case edit stopped.
+    return value;
 }
 
 void EditableDatumLabel::setSpinboxValue(double val, const Base::Unit& unit)
@@ -192,6 +204,7 @@ void EditableDatumLabel::setSpinboxValue(double val, const Base::Unit& unit)
 
     QSignalBlocker block(spinBox);
     spinBox->setValue(Base::Quantity(val, unit));
+    value = val;
     positionSpinbox();
 
     if (spinBox->hasFocus()) {

src/Gui/EditableDatumLabel.h

@@ -75,6 +75,7 @@ public:
     bool isSet;
     bool autoDistance;
     bool autoDistanceReverse;
+    double value;
     // NOLINTEND
 
 Q_SIGNALS: