diff --git a/qad/widgets/spinslider.cpp b/qad/widgets/spinslider.cpp
index 29ac431..c175066 100644
--- a/qad/widgets/spinslider.cpp
+++ b/qad/widgets/spinslider.cpp
@@ -41,6 +41,21 @@ void SpinSlider::setOrientation(Qt::Orientation orient) {
 }
 
 
+bool SpinSlider::adaptiveStep() const {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+	return (spin->stepType() == QDoubleSpinBox::AdaptiveDecimalStepType);
+#endif
+	return false;
+}
+
+
+void SpinSlider::setAdaptiveStep(bool on) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+	if (on) spin->setStepType(QDoubleSpinBox::AdaptiveDecimalStepType);
+	else spin->setStepType(QDoubleSpinBox::DefaultStepType);
+#endif
+}
+
 void SpinSlider::adjust() {
 	adjusting = true;
 	delim = qPow(10, dec_);
diff --git a/qad/widgets/spinslider.h b/qad/widgets/spinslider.h
index 6c9d0c8..9ccbefc 100644
--- a/qad/widgets/spinslider.h
+++ b/qad/widgets/spinslider.h
@@ -19,6 +19,7 @@ class SpinSlider: public QWidget
 	Q_PROPERTY(int decimals READ decimals WRITE setDecimals)
 	Q_PROPERTY(double singleStep READ singleStep WRITE setSingleStep)
 	Q_PROPERTY(double pageStep READ pageStep WRITE setPageStep)
+	Q_PROPERTY(bool adaptiveStep READ adaptiveStep WRITE setAdaptiveStep)
 	Q_PROPERTY(QString prefix READ prefix WRITE setPrefix)
 	Q_PROPERTY(QString suffix READ suffix WRITE setSuffix)
 	Q_PROPERTY(QSlider::TickPosition tickPosition READ tickPosition WRITE setTickPosition)
@@ -43,6 +44,7 @@ public:
 	double value() const {return val_;}
 	int decimals() const {return dec_;}
 	double singleStep() const {return spin->singleStep();}
+	bool adaptiveStep() const;
 	double pageStep() const {return page;}
 	QString prefix() const {return spin->prefix();}
 	QString suffix() const {return spin->suffix();}
@@ -54,6 +56,7 @@ public:
 	bool squareScale() const {return square;}
 
     void setSingleStep(double step) {spin->setSingleStep(step); slider->setPageStep(qRound(step * delim));}
+	void setAdaptiveStep(bool on);
     void setPageStep(double step) {page = step; slider->setPageStep(qRound(page * delim));}
 	void setPrefix(QString prefix) {spin->setPrefix(prefix);}
 	void setSuffix(QString suffix) {spin->setSuffix(suffix);}