6 files changed, 14 insertions, 12 deletions
diff --git a/src/datavis3d/axis/qabstractaxis.cpp b/src/datavis3d/axis/qabstractaxis.cpp
index 425469a1..5129dfab 100644
--- a/src/datavis3d/axis/qabstractaxis.cpp
+++ b/src/datavis3d/axis/qabstractaxis.cpp
@@ -54,10 +54,10 @@ QT_DATAVIS3D_BEGIN_NAMESPACE
  */
 
 /*!
- * Constructs QAbstractAxis with \a d.
+ * \internal
  */
-QAbstractAxis::QAbstractAxis(QAbstractAxisPrivate *d) :
-    QObject(0),
+QAbstractAxis::QAbstractAxis(QAbstractAxisPrivate *d, QObject *parent) :
+    QObject(parent),
     d_ptr(d)
 {
 }
diff --git a/src/datavis3d/axis/qabstractaxis.h b/src/datavis3d/axis/qabstractaxis.h
index 4bc0ac16..aac2ee30 100644
--- a/src/datavis3d/axis/qabstractaxis.h
+++ b/src/datavis3d/axis/qabstractaxis.h
@@ -55,7 +55,8 @@ public:
     };
 
 protected:
-    explicit QAbstractAxis(QAbstractAxisPrivate *d);
+    explicit QAbstractAxis(QAbstractAxisPrivate *d, QObject *parent = 0);
+
 public:
     virtual ~QAbstractAxis();
 
diff --git a/src/datavis3d/axis/qcategoryaxis.cpp b/src/datavis3d/axis/qcategoryaxis.cpp
index 8b44a56f..8148ae0c 100644
--- a/src/datavis3d/axis/qcategoryaxis.cpp
+++ b/src/datavis3d/axis/qcategoryaxis.cpp
@@ -35,10 +35,10 @@ QT_DATAVIS3D_BEGIN_NAMESPACE
  */
 
 /*!
- * Constructs QCategoryAxis.
+ * Constructs QCategoryAxis with \a parent.
  */
-QCategoryAxis::QCategoryAxis() :
-    QAbstractAxis(new QCategoryAxisPrivate(this))
+QCategoryAxis::QCategoryAxis(QObject *parent) :
+    QAbstractAxis(new QCategoryAxisPrivate(this), parent)
 {
 }
 
diff --git a/src/datavis3d/axis/qcategoryaxis.h b/src/datavis3d/axis/qcategoryaxis.h
index 8d1e3f57..d162d34b 100644
--- a/src/datavis3d/axis/qcategoryaxis.h
+++ b/src/datavis3d/axis/qcategoryaxis.h
@@ -32,8 +32,9 @@ class QT_DATAVIS3D_EXPORT QCategoryAxis : public QAbstractAxis
     //       which is read only there. Since subclass cannot have property with same name,
     //       this partially duplicate property is necessary.
     Q_PROPERTY(QStringList categoryLabels READ categoryLabels WRITE setCategoryLabels)
+
 public:
-    explicit QCategoryAxis();
+    explicit QCategoryAxis(QObject *parent = 0);
     ~QCategoryAxis();
 
     QStringList categoryLabels() const;
diff --git a/src/datavis3d/axis/qvalueaxis.cpp b/src/datavis3d/axis/qvalueaxis.cpp
index c51eec9c..67bb9a38 100644
--- a/src/datavis3d/axis/qvalueaxis.cpp
+++ b/src/datavis3d/axis/qvalueaxis.cpp
@@ -37,10 +37,10 @@ QT_DATAVIS3D_BEGIN_NAMESPACE
  */
 
 /*!
- * Constructs QValueAxis.
+ * Constructs QValueAxis with the given \a parent.
  */
-QValueAxis::QValueAxis() :
-    QAbstractAxis(new QValueAxisPrivate(this))
+QValueAxis::QValueAxis(QObject *parent) :
+    QAbstractAxis(new QValueAxisPrivate(this), parent)
 {
 }
 
diff --git a/src/datavis3d/axis/qvalueaxis.h b/src/datavis3d/axis/qvalueaxis.h
index c9658f37..6bc84c15 100644
--- a/src/datavis3d/axis/qvalueaxis.h
+++ b/src/datavis3d/axis/qvalueaxis.h
@@ -36,7 +36,7 @@ class QT_DATAVIS3D_EXPORT QValueAxis : public QAbstractAxis
     Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat NOTIFY labelFormatChanged)
 
 public:
-    explicit QValueAxis();
+    explicit QValueAxis(QObject *parent = 0);
     ~QValueAxis();
 
     qreal min() const;