Remove uses of QString::null

It's going to be deprecated.

Change-Id: I9d176c802f27abf5c817dba8bedf9e5fcd911eca
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

10 files changed, 10 insertions, 10 deletions

diff --git a/tests/manual/chartviewer/charts/axis/categoryaxis.cpp b/tests/manual/chartviewer/charts/axis/categoryaxis.cpp
index 37a2535f..ee42bb34 100644
--- a/tests/manual/chartviewer/charts/axis/categoryaxis.cpp
+++ b/tests/manual/chartviewer/charts/axis/categoryaxis.cpp
@@ -37,7 +37,7 @@ class CategoryLineChart: public Chart
 public:
     QString name() { return QObject::tr("CategoryAxis"); }
     QString category()  { return QObject::tr("Axis"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/axis/valueaxis.cpp b/tests/manual/chartviewer/charts/axis/valueaxis.cpp
index 996c28d6..00a6baef 100644
--- a/tests/manual/chartviewer/charts/axis/valueaxis.cpp
+++ b/tests/manual/chartviewer/charts/axis/valueaxis.cpp
@@ -38,7 +38,7 @@ class ValueAxis: public Chart
 public:
     QString name() { return "ValueAxis"; }
     QString category()  { return QObject::tr("Axis"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/font/font.cpp b/tests/manual/chartviewer/charts/font/font.cpp
index f29db8fb..713b28c8 100644
--- a/tests/manual/chartviewer/charts/font/font.cpp
+++ b/tests/manual/chartviewer/charts/font/font.cpp
@@ -37,7 +37,7 @@ public:
     FontChart(int fontSize): m_fontSize(fontSize) {};
     QString name() { return QObject::tr("Font") + " " + QString::number(m_fontSize); }
     QString category()  { return QObject::tr("Font"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/pieseries/donutchart.cpp b/tests/manual/chartviewer/charts/pieseries/donutchart.cpp
index 9bd4ef4a..8e297e6a 100644
--- a/tests/manual/chartviewer/charts/pieseries/donutchart.cpp
+++ b/tests/manual/chartviewer/charts/pieseries/donutchart.cpp
@@ -36,7 +36,7 @@ class DonutChart: public Chart
 public:
     QString name() { return QObject::tr("DonutChart"); }
     QString category()  { return QObject::tr("PieSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/pieseries/piechart.cpp b/tests/manual/chartviewer/charts/pieseries/piechart.cpp
index ba63ea42..32d0aa4b 100644
--- a/tests/manual/chartviewer/charts/pieseries/piechart.cpp
+++ b/tests/manual/chartviewer/charts/pieseries/piechart.cpp
@@ -36,7 +36,7 @@ class PieChart: public Chart
 public:
     QString name() { return QObject::tr("PieChart"); }
     QString category()  { return QObject::tr("PieSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/size/sizecharts.cpp b/tests/manual/chartviewer/charts/size/sizecharts.cpp
index 5112c902..22197d99 100644
--- a/tests/manual/chartviewer/charts/size/sizecharts.cpp
+++ b/tests/manual/chartviewer/charts/size/sizecharts.cpp
@@ -37,7 +37,7 @@ class SizeChart: public Chart
 public:
     QString name() { return QObject::tr("PlotArea"); }
     QString category()  { return QObject::tr("Size"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/xyseries/areachart.cpp b/tests/manual/chartviewer/charts/xyseries/areachart.cpp
index aadd93ce..3faa7031 100644
--- a/tests/manual/chartviewer/charts/xyseries/areachart.cpp
+++ b/tests/manual/chartviewer/charts/xyseries/areachart.cpp
@@ -37,7 +37,7 @@ class AreaChart: public Chart
 public:
     QString name() { return QObject::tr("AreaChart"); }
     QString category()  { return QObject::tr("XYSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/xyseries/linechart.cpp b/tests/manual/chartviewer/charts/xyseries/linechart.cpp
index ca5e8407..2e23c2b6 100644
--- a/tests/manual/chartviewer/charts/xyseries/linechart.cpp
+++ b/tests/manual/chartviewer/charts/xyseries/linechart.cpp
@@ -36,7 +36,7 @@ class LineChart: public Chart
 public:
     QString name() { return QObject::tr("LineChart"); }
     QString category()  { return QObject::tr("XYSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/xyseries/scatterchart.cpp b/tests/manual/chartviewer/charts/xyseries/scatterchart.cpp
index 54f5a5cc..deb366f6 100644
--- a/tests/manual/chartviewer/charts/xyseries/scatterchart.cpp
+++ b/tests/manual/chartviewer/charts/xyseries/scatterchart.cpp
@@ -36,7 +36,7 @@ class ScatterChart: public Chart
 public:
     QString name() { return QObject::tr("ScatterChart"); }
     QString category()  { return QObject::tr("XYSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {
diff --git a/tests/manual/chartviewer/charts/xyseries/splinechart.cpp b/tests/manual/chartviewer/charts/xyseries/splinechart.cpp
index 699b2afa..3e9db5cd 100644
--- a/tests/manual/chartviewer/charts/xyseries/splinechart.cpp
+++ b/tests/manual/chartviewer/charts/xyseries/splinechart.cpp
@@ -36,7 +36,7 @@ class SplineChart: public Chart
 public:
     QString name() { return QObject::tr("SplineChart"); }
     QString category()  { return QObject::tr("XYSeries"); }
-    QString subCategory() { return QString::null; }
+    QString subCategory() { return QString(); }
 
     QChart *createChart(const DataTable &table)
     {