Pass CategoryRange label change to parent QCategoryAxis

Fixes: QTBUG-78439
Change-Id: I1c0de505c73ea42e67947fed91a535a117a2ad5b
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>

2 files changed, 9 insertions, 1 deletions

diff --git a/src/chartsqml2/declarativecategoryaxis.cpp b/src/chartsqml2/declarativecategoryaxis.cpp
index 1b1826fd..8f6a2b20 100644
--- a/src/chartsqml2/declarativecategoryaxis.cpp
+++ b/src/chartsqml2/declarativecategoryaxis.cpp
@@ -64,6 +64,14 @@ DeclarativeCategoryRange::DeclarativeCategoryRange(QObject *parent) :
 {
 }
 
+void DeclarativeCategoryRange::setLabel(const QString &label)
+{
+    auto catAxis = qobject_cast<QCategoryAxis *>(parent());
+    if (catAxis)
+        catAxis->replaceLabel(m_label, label);
+    m_label = label;
+}
+
 DeclarativeCategoryAxis::DeclarativeCategoryAxis(QObject *parent) :
     QCategoryAxis(parent),
     m_labelsPosition(AxisLabelsPositionCenter)
diff --git a/src/chartsqml2/declarativecategoryaxis_p.h b/src/chartsqml2/declarativecategoryaxis_p.h
index 9bcd7ba8..1c1ba850 100644
--- a/src/chartsqml2/declarativecategoryaxis_p.h
+++ b/src/chartsqml2/declarativecategoryaxis_p.h
@@ -58,7 +58,7 @@ public:
     qreal endValue() { return m_endValue; }
     void setEndValue(qreal endValue) { m_endValue = endValue; }
     QString label() { return m_label; }
-    void setLabel(QString label) { m_label = label; }
+    void setLabel(const QString &label);
 
 private:
     qreal m_endValue;