Use auto in graphgallery example

Fixing clazy warnings about not repeating type names.

Pick-to: 6.6 6.5
Task-number: QTBUG-110698
Change-Id: I574c79bc27ba93e2e84aa454281c8648cd5ddc47
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

10 files changed, 107 insertions, 110 deletions

diff --git a/examples/datavisualization/graphgallery/bargraph.cpp b/examples/datavisualization/graphgallery/bargraph.cpp
index 0781a5d9..5873c757 100644
--- a/examples/datavisualization/graphgallery/bargraph.cpp
+++ b/examples/datavisualization/graphgallery/bargraph.cpp
@@ -32,7 +32,7 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
 
     //! [1]
     m_barsWidget = new QWidget;
-    QHBoxLayout *hLayout = new QHBoxLayout(m_barsWidget);
+    auto *hLayout = new QHBoxLayout(m_barsWidget);
     m_container = QWidget::createWindowContainer(m_barsGraph, m_barsWidget);
     m_barsGraph->resize(minimumGraphSize);
     m_container->setMinimumSize(minimumGraphSize);
@@ -41,11 +41,11 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     m_container->setFocusPolicy(Qt::StrongFocus);
     hLayout->addWidget(m_container, 1);
 
-    QVBoxLayout *vLayout = new QVBoxLayout();
+    auto *vLayout = new QVBoxLayout();
     hLayout->addLayout(vLayout);
     //! [1]
 
-    QComboBox *themeList = new QComboBox(m_barsWidget);
+    auto *themeList = new QComboBox(m_barsWidget);
     themeList->addItem(u"Qt"_s);
     themeList->addItem(u"Primary Colors"_s);
     themeList->addItem(u"Digia"_s);
@@ -56,14 +56,14 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     themeList->addItem(u"Isabelle"_s);
     themeList->setCurrentIndex(0);
 
-    QPushButton *labelButton = new QPushButton(m_barsWidget);
+    auto *labelButton = new QPushButton(m_barsWidget);
     labelButton->setText(u"Change label style"_s);
 
-    QCheckBox *smoothCheckBox = new QCheckBox(m_barsWidget);
+    auto *smoothCheckBox = new QCheckBox(m_barsWidget);
     smoothCheckBox->setText(u"Smooth bars"_s);
     smoothCheckBox->setChecked(false);
 
-    QComboBox *barStyleList = new QComboBox(m_barsWidget);
+    auto *barStyleList = new QComboBox(m_barsWidget);
     barStyleList->addItem(u"Bar"_s, QAbstract3DSeries::MeshBar);
     barStyleList->addItem(u"Pyramid"_s, QAbstract3DSeries::MeshPyramid);
     barStyleList->addItem(u"Cone"_s, QAbstract3DSeries::MeshCone);
@@ -72,13 +72,13 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     barStyleList->addItem(u"Sphere"_s, QAbstract3DSeries::MeshSphere);
     barStyleList->setCurrentIndex(4);
 
-    QPushButton *cameraButton = new QPushButton(m_barsWidget);
+    auto *cameraButton = new QPushButton(m_barsWidget);
     cameraButton->setText(u"Change camera preset"_s);
 
-    QPushButton *zoomToSelectedButton = new QPushButton(m_barsWidget);
+    auto *zoomToSelectedButton = new QPushButton(m_barsWidget);
     zoomToSelectedButton->setText(u"Zoom to selected bar"_s);
 
-    QComboBox *selectionModeList = new QComboBox(m_barsWidget);
+    auto *selectionModeList = new QComboBox(m_barsWidget);
     selectionModeList->addItem(u"None"_s,
                                int(QAbstract3DGraph::SelectionNone));
     selectionModeList->addItem(u"Bar"_s,
@@ -114,52 +114,52 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
                                    | QAbstract3DGraph::SelectionMultiSeries));
     selectionModeList->setCurrentIndex(1);
 
-    QCheckBox *backgroundCheckBox = new QCheckBox(m_barsWidget);
+    auto *backgroundCheckBox = new QCheckBox(m_barsWidget);
     backgroundCheckBox->setText(u"Show background"_s);
     backgroundCheckBox->setChecked(false);
 
-    QCheckBox *gridCheckBox = new QCheckBox(m_barsWidget);
+    auto *gridCheckBox = new QCheckBox(m_barsWidget);
     gridCheckBox->setText(u"Show grid"_s);
     gridCheckBox->setChecked(true);
 
-    QCheckBox *seriesCheckBox = new QCheckBox(m_barsWidget);
+    auto *seriesCheckBox = new QCheckBox(m_barsWidget);
     seriesCheckBox->setText(u"Show second series"_s);
     seriesCheckBox->setChecked(false);
 
-    QCheckBox *reverseValueAxisCheckBox = new QCheckBox(m_barsWidget);
+    auto *reverseValueAxisCheckBox = new QCheckBox(m_barsWidget);
     reverseValueAxisCheckBox->setText(u"Reverse value axis"_s);
     reverseValueAxisCheckBox->setChecked(false);
 
-    QCheckBox *reflectionCheckBox = new QCheckBox(m_barsWidget);
+    auto *reflectionCheckBox = new QCheckBox(m_barsWidget);
     reflectionCheckBox->setText(u"Show reflections"_s);
     reflectionCheckBox->setChecked(false);
 
     //! [3]
-    QSlider *rotationSliderX = new QSlider(Qt::Horizontal, m_barsWidget);
+    auto *rotationSliderX = new QSlider(Qt::Horizontal, m_barsWidget);
     rotationSliderX->setTickInterval(30);
     rotationSliderX->setTickPosition(QSlider::TicksBelow);
     rotationSliderX->setMinimum(-180);
     rotationSliderX->setValue(0);
     rotationSliderX->setMaximum(180);
     //! [3]
-    QSlider *rotationSliderY = new QSlider(Qt::Horizontal, m_barsWidget);
+    auto *rotationSliderY = new QSlider(Qt::Horizontal, m_barsWidget);
     rotationSliderY->setTickInterval(15);
     rotationSliderY->setTickPosition(QSlider::TicksAbove);
     rotationSliderY->setMinimum(-90);
     rotationSliderY->setValue(0);
     rotationSliderY->setMaximum(90);
 
-    QSlider *fontSizeSlider = new QSlider(Qt::Horizontal, m_barsWidget);
+    auto *fontSizeSlider = new QSlider(Qt::Horizontal, m_barsWidget);
     fontSizeSlider->setTickInterval(10);
     fontSizeSlider->setTickPosition(QSlider::TicksBelow);
     fontSizeSlider->setMinimum(1);
     fontSizeSlider->setValue(30);
     fontSizeSlider->setMaximum(100);
 
-    QFontComboBox *fontList = new QFontComboBox(m_barsWidget);
+    auto *fontList = new QFontComboBox(m_barsWidget);
     fontList->setCurrentFont(QFont("Times New Roman"));
 
-    QComboBox *shadowQuality = new QComboBox(m_barsWidget);
+    auto *shadowQuality = new QComboBox(m_barsWidget);
     shadowQuality->addItem(u"None"_s);
     shadowQuality->addItem(u"Low"_s);
     shadowQuality->addItem(u"Medium"_s);
@@ -169,7 +169,7 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     shadowQuality->addItem(u"High Soft"_s);
     shadowQuality->setCurrentIndex(5);
 
-    QComboBox *rangeList = new QComboBox(m_barsWidget);
+    auto *rangeList = new QComboBox(m_barsWidget);
     rangeList->addItem(u"2015"_s);
     rangeList->addItem(u"2016"_s);
     rangeList->addItem(u"2017"_s);
@@ -181,25 +181,25 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     rangeList->addItem(u"All"_s);
     rangeList->setCurrentIndex(8);
 
-    QCheckBox *axisTitlesVisibleCB = new QCheckBox(m_barsWidget);
+    auto *axisTitlesVisibleCB = new QCheckBox(m_barsWidget);
     axisTitlesVisibleCB->setText(u"Axis titles visible"_s);
     axisTitlesVisibleCB->setChecked(true);
 
-    QCheckBox *axisTitlesFixedCB = new QCheckBox(m_barsWidget);
+    auto *axisTitlesFixedCB = new QCheckBox(m_barsWidget);
     axisTitlesFixedCB->setText(u"Axis titles fixed"_s);
     axisTitlesFixedCB->setChecked(true);
 
-    QSlider *axisLabelRotationSlider = new QSlider(Qt::Horizontal, m_barsWidget);
+    auto *axisLabelRotationSlider = new QSlider(Qt::Horizontal, m_barsWidget);
     axisLabelRotationSlider->setTickInterval(10);
     axisLabelRotationSlider->setTickPosition(QSlider::TicksBelow);
     axisLabelRotationSlider->setMinimum(0);
     axisLabelRotationSlider->setValue(30);
     axisLabelRotationSlider->setMaximum(90);
 
-    QButtonGroup *modeGroup = new QButtonGroup(m_barsWidget);
-    QRadioButton *modeWeather = new QRadioButton(u"Temperature Data"_s, m_barsWidget);
+    auto *modeGroup = new QButtonGroup(m_barsWidget);
+    auto *modeWeather = new QRadioButton(u"Temperature Data"_s, m_barsWidget);
     modeWeather->setChecked(true);
-    QRadioButton *modeCustomProxy = new QRadioButton(u"Custom Proxy Data"_s, m_barsWidget);
+    auto *modeCustomProxy = new QRadioButton(u"Custom Proxy Data"_s, m_barsWidget);
     modeGroup->addButton(modeWeather);
     modeGroup->addButton(modeCustomProxy);
 
@@ -240,7 +240,7 @@ bool BarGraph::initialize(const QSize &minimumGraphSize, const QSize &maximumGra
     vLayout->addWidget(modeCustomProxy, 1, Qt::AlignTop);
 
     //! [2]
-    GraphModifier *modifier = new GraphModifier(m_barsGraph, this);
+    auto *modifier = new GraphModifier(m_barsGraph, this);
     //! [2]
 
     //! [5]
diff --git a/examples/datavisualization/graphgallery/graphmodifier.cpp b/examples/datavisualization/graphgallery/graphmodifier.cpp
index db4b50c6..b0cb6f48 100644
--- a/examples/datavisualization/graphgallery/graphmodifier.cpp
+++ b/examples/datavisualization/graphgallery/graphmodifier.cpp
@@ -159,16 +159,14 @@ void GraphModifier::resetTemperatureData()
 
     // Create data arrays
     //! [9b]
-    QBarDataArray *dataSet = new QBarDataArray;
-    QBarDataArray *dataSet2 = new QBarDataArray;
-    QBarDataRow *dataRow = nullptr;
-    QBarDataRow *dataRow2= nullptr;
+    auto *dataSet = new QBarDataArray;
+    auto *dataSet2 = new QBarDataArray;
 
     dataSet->reserve(m_years.size());
     for (qsizetype year = 0; year < m_years.size(); ++year) {
         // Create a data row
-        dataRow = new QBarDataRow(m_months.size());
-        dataRow2 = new QBarDataRow(m_months.size());
+        auto *dataRow = new QBarDataRow(m_months.size());
+        auto *dataRow2 = new QBarDataRow(m_months.size());
         for (qsizetype month = 0; month < m_months.size(); ++month) {
             // Add data to the row
             (*dataRow)[month].setValue(tempOulu[year][month]);
@@ -195,7 +193,7 @@ void GraphModifier::changeRange(int range)
 
 void GraphModifier::changeStyle(int style)
 {
-    QComboBox *comboBox = qobject_cast<QComboBox *>(sender());
+    auto *comboBox = qobject_cast<QComboBox *>(sender());
     if (comboBox) {
         m_barMesh = comboBox->itemData(style).value<QAbstract3DSeries::Mesh>();
         m_primarySeries->setMesh(m_barMesh);
@@ -241,7 +239,7 @@ void GraphModifier::changeLabelBackground()
 
 void GraphModifier::changeSelectionMode(int selectionMode)
 {
-    QComboBox *comboBox = qobject_cast<QComboBox *>(sender());
+    auto *comboBox = qobject_cast<QComboBox *>(sender());
     if (comboBox) {
         int flags = comboBox->itemData(selectionMode).toInt();
         m_graph->setSelectionMode(QAbstract3DGraph::SelectionFlags(flags));
diff --git a/examples/datavisualization/graphgallery/highlightseries.cpp b/examples/datavisualization/graphgallery/highlightseries.cpp
index eab1a37d..3f10b421 100644
--- a/examples/datavisualization/graphgallery/highlightseries.cpp
+++ b/examples/datavisualization/graphgallery/highlightseries.cpp
@@ -63,10 +63,10 @@ void HighlightSeries::handlePositionChange(const QPoint &position)
     QSurfaceDataProxy *srcProxy = m_topographicSeries->dataProxy();
     const QSurfaceDataArray &srcArray = *srcProxy->array();
 
-    QSurfaceDataArray *dataArray = new QSurfaceDataArray;
+    auto *dataArray = new QSurfaceDataArray;
     dataArray->reserve(endZ - startZ);
     for (int i = startZ; i < endZ; ++i) {
-        QSurfaceDataRow *newRow = new QSurfaceDataRow;
+        auto *newRow = new QSurfaceDataRow;
         newRow->reserve(endX - startX);
         QSurfaceDataRow *srcRow = srcArray.at(i);
         for (int j = startX; j < endX; ++j) {
diff --git a/examples/datavisualization/graphgallery/rainfalldata.cpp b/examples/datavisualization/graphgallery/rainfalldata.cpp
index 76049bec..66a2553a 100644
--- a/examples/datavisualization/graphgallery/rainfalldata.cpp
+++ b/examples/datavisualization/graphgallery/rainfalldata.cpp
@@ -76,7 +76,7 @@ void RainfallData::addDataSet()
 {
     // Create a new variant data set and data item list
     m_dataSet =  new VariantDataSet;
-    VariantDataItemList *itemList = new VariantDataItemList;
+    auto *itemList = new VariantDataItemList;
 
     // Read data from a data file into the data item list
     QFile dataFile(":/data/raindata.txt");
@@ -94,7 +94,7 @@ void RainfallData::addDataSet()
             }
             // Store year and month as strings, and rainfall value as double
             // into a variant data item and add the item to the item list.
-            VariantDataItem *newItem = new VariantDataItem;
+            auto *newItem = new VariantDataItem;
             for (int i = 0; i < 2; ++i)
                 newItem->append(strList.at(i).trimmed().toString());
             newItem->append(strList.at(2).trimmed().toDouble());
diff --git a/examples/datavisualization/graphgallery/scatterdatamodifier.cpp b/examples/datavisualization/graphgallery/scatterdatamodifier.cpp
index 30ddcaca..1f3ec7ed 100644
--- a/examples/datavisualization/graphgallery/scatterdatamodifier.cpp
+++ b/examples/datavisualization/graphgallery/scatterdatamodifier.cpp
@@ -38,8 +38,8 @@ ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter, QObject *parent) :
     //! [0]
 
     //! [1]
-    QScatterDataProxy *proxy = new QScatterDataProxy;
-    QScatter3DSeries *series = new QScatter3DSeries(proxy);
+    auto *proxy = new QScatterDataProxy;
+    auto *series = new QScatter3DSeries(proxy);
     series->setItemLabelFormat(u"@xTitle: @xLabel @yTitle: @yLabel @zTitle: @zLabel"_s);
     series->setMeshSmooth(m_smooth);
     m_graph->addSeries(series);
@@ -70,7 +70,7 @@ void ScatterDataModifier::addData()
     //! [3]
 
     //! [4]
-    QScatterDataArray *dataArray = new QScatterDataArray;
+    auto *dataArray = new QScatterDataArray;
     dataArray->reserve(m_itemCount);
     //! [4]
 
diff --git a/examples/datavisualization/graphgallery/scattergraph.cpp b/examples/datavisualization/graphgallery/scattergraph.cpp
index f075f31c..a426c10a 100644
--- a/examples/datavisualization/graphgallery/scattergraph.cpp
+++ b/examples/datavisualization/graphgallery/scattergraph.cpp
@@ -25,7 +25,7 @@ bool ScatterGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
         return false;
 
     m_scatterWidget = new QWidget;
-    QHBoxLayout *hLayout = new QHBoxLayout(m_scatterWidget);
+    auto *hLayout = new QHBoxLayout(m_scatterWidget);
     m_container = QWidget::createWindowContainer(m_scatterGraph, m_scatterWidget);
     m_container->setMinimumSize(minimumGraphSize);
     m_container->setMaximumSize(maximumGraphSize);
@@ -33,44 +33,44 @@ bool ScatterGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
     m_container->setFocusPolicy(Qt::StrongFocus);
     hLayout->addWidget(m_container, 1);
 
-    QVBoxLayout *vLayout = new QVBoxLayout();
+    auto *vLayout = new QVBoxLayout();
     hLayout->addLayout(vLayout);
 
-    QCommandLinkButton *cameraButton = new QCommandLinkButton(m_scatterWidget);
+    auto *cameraButton = new QCommandLinkButton(m_scatterWidget);
     cameraButton->setText(u"Change camera preset"_s);
     cameraButton->setDescription(u"Switch between a number of preset camera positions"_s);
     cameraButton->setIconSize(QSize(0, 0));
 
-    QCommandLinkButton *itemCountButton = new QCommandLinkButton(m_scatterWidget);
+    auto *itemCountButton = new QCommandLinkButton(m_scatterWidget);
     itemCountButton->setText(u"Toggle item count"_s);
     itemCountButton->setDescription(u"Switch between 900 and 10000 data points"_s);
     itemCountButton->setIconSize(QSize(0, 0));
 
-    QCommandLinkButton *rangeButton = new QCommandLinkButton(m_scatterWidget);
+    auto *rangeButton = new QCommandLinkButton(m_scatterWidget);
     rangeButton->setText(u"Toggle axis ranges"_s);
     rangeButton->setDescription(u"Switch between automatic axis ranges and preset ranges"_s);
     rangeButton->setIconSize(QSize(0, 0));
 
-    QCheckBox *backgroundCheckBox = new QCheckBox(m_scatterWidget);
+    auto *backgroundCheckBox = new QCheckBox(m_scatterWidget);
     backgroundCheckBox->setText(u"Show background"_s);
     backgroundCheckBox->setChecked(true);
 
-    QCheckBox *gridCheckBox = new QCheckBox(m_scatterWidget);
+    auto *gridCheckBox = new QCheckBox(m_scatterWidget);
     gridCheckBox->setText(u"Show grid"_s);
     gridCheckBox->setChecked(true);
 
-    QCheckBox *smoothCheckBox = new QCheckBox(m_scatterWidget);
+    auto *smoothCheckBox = new QCheckBox(m_scatterWidget);
     smoothCheckBox->setText(u"Smooth dots"_s);
     smoothCheckBox->setChecked(true);
 
-    QComboBox *itemStyleList = new QComboBox(m_scatterWidget);
+    auto *itemStyleList = new QComboBox(m_scatterWidget);
     itemStyleList->addItem(u"Sphere"_s, QAbstract3DSeries::MeshSphere);
     itemStyleList->addItem(u"Cube"_s, QAbstract3DSeries::MeshCube);
     itemStyleList->addItem(u"Minimal"_s, QAbstract3DSeries::MeshMinimal);
     itemStyleList->addItem(u"Point"_s, QAbstract3DSeries::MeshPoint);
     itemStyleList->setCurrentIndex(0);
 
-    QComboBox *themeList = new QComboBox(m_scatterWidget);
+    auto *themeList = new QComboBox(m_scatterWidget);
     themeList->addItem(u"Qt"_s);
     themeList->addItem(u"Primary Colors"_s);
     themeList->addItem(u"Digia"_s);
@@ -81,7 +81,7 @@ bool ScatterGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
     themeList->addItem(u"Isabelle"_s);
     themeList->setCurrentIndex(3);
 
-    QComboBox *shadowQuality = new QComboBox(m_scatterWidget);
+    auto *shadowQuality = new QComboBox(m_scatterWidget);
     shadowQuality->addItem(u"None"_s);
     shadowQuality->addItem(u"Low"_s);
     shadowQuality->addItem(u"Medium"_s);
@@ -104,7 +104,7 @@ bool ScatterGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
     vLayout->addWidget(new QLabel(u"Adjust shadow quality"_s));
     vLayout->addWidget(shadowQuality, 1, Qt::AlignTop);
 
-    ScatterDataModifier *modifier = new ScatterDataModifier(m_scatterGraph, this);
+    auto *modifier = new ScatterDataModifier(m_scatterGraph, this);
 
     QObject::connect(cameraButton, &QCommandLinkButton::clicked, modifier,
                      &ScatterDataModifier::changePresetCamera);
diff --git a/examples/datavisualization/graphgallery/surfacegraph.cpp b/examples/datavisualization/graphgallery/surfacegraph.cpp
index 1ea65e67..88cbc72f 100644
--- a/examples/datavisualization/graphgallery/surfacegraph.cpp
+++ b/examples/datavisualization/graphgallery/surfacegraph.cpp
@@ -87,7 +87,7 @@ bool SurfaceGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
         return false;
 
     m_surfaceWidget = new QWidget;
-    QHBoxLayout *hLayout = new QHBoxLayout(m_surfaceWidget);
+    auto *hLayout = new QHBoxLayout(m_surfaceWidget);
     m_container = QWidget::createWindowContainer(m_surfaceGraph, m_surfaceWidget);
     m_container->setMinimumSize(minimumGraphSize);
     m_container->setMaximumSize(maximumGraphSize);
@@ -95,76 +95,76 @@ bool SurfaceGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
     m_container->setFocusPolicy(Qt::StrongFocus);
     hLayout->addWidget(m_container, 1);
 
-    QVBoxLayout *vLayout = new QVBoxLayout();
+    auto *vLayout = new QVBoxLayout();
     hLayout->addLayout(vLayout);
     vLayout->setAlignment(Qt::AlignTop);
 
     // Create control widgets
-    QGroupBox *modelGroupBox = new QGroupBox(u"Model"_s);
+    auto *modelGroupBox = new QGroupBox(u"Model"_s);
 
-    QRadioButton *sqrtSinModelRB = new QRadioButton(m_surfaceWidget);
+    auto *sqrtSinModelRB = new QRadioButton(m_surfaceWidget);
     sqrtSinModelRB->setText(u"Sqrt && Sin"_s);
     sqrtSinModelRB->setChecked(false);
 
-    QRadioButton *heightMapModelRB = new QRadioButton(m_surfaceWidget);
+    auto *heightMapModelRB = new QRadioButton(m_surfaceWidget);
     heightMapModelRB->setText(u"Multiseries\nHeight Map"_s);
     heightMapModelRB->setChecked(false);
 
-    QRadioButton *texturedModelRB = new QRadioButton(m_surfaceWidget);
+    auto *texturedModelRB = new QRadioButton(m_surfaceWidget);
     texturedModelRB->setText(u"Textured\nTopography"_s);
     texturedModelRB->setChecked(false);
 
-    QVBoxLayout *modelVBox = new QVBoxLayout;
+    auto *modelVBox = new QVBoxLayout;
     modelVBox->addWidget(sqrtSinModelRB);
     modelVBox->addWidget(heightMapModelRB);
     modelVBox->addWidget(texturedModelRB);
     modelGroupBox->setLayout(modelVBox);
 
-    QGroupBox *selectionGroupBox = new QGroupBox(u"Graph Selection Mode"_s);
+    auto *selectionGroupBox = new QGroupBox(u"Graph Selection Mode"_s);
 
-    QRadioButton *modeNoneRB = new QRadioButton(m_surfaceWidget);
+    auto *modeNoneRB = new QRadioButton(m_surfaceWidget);
     modeNoneRB->setText(u"No selection"_s);
     modeNoneRB->setChecked(false);
 
-    QRadioButton *modeItemRB = new QRadioButton(m_surfaceWidget);
+    auto *modeItemRB = new QRadioButton(m_surfaceWidget);
     modeItemRB->setText(u"Item"_s);
     modeItemRB->setChecked(false);
 
-    QRadioButton *modeSliceRowRB = new QRadioButton(m_surfaceWidget);
+    auto *modeSliceRowRB = new QRadioButton(m_surfaceWidget);
     modeSliceRowRB->setText(u"Row Slice"_s);
     modeSliceRowRB->setChecked(false);
 
-    QRadioButton *modeSliceColumnRB = new QRadioButton(m_surfaceWidget);
+    auto *modeSliceColumnRB = new QRadioButton(m_surfaceWidget);
     modeSliceColumnRB->setText(u"Column Slice"_s);
     modeSliceColumnRB->setChecked(false);
 
-    QVBoxLayout *selectionVBox = new QVBoxLayout;
+    auto *selectionVBox = new QVBoxLayout;
     selectionVBox->addWidget(modeNoneRB);
     selectionVBox->addWidget(modeItemRB);
     selectionVBox->addWidget(modeSliceRowRB);
     selectionVBox->addWidget(modeSliceColumnRB);
     selectionGroupBox->setLayout(selectionVBox);
 
-    QGroupBox *axisGroupBox = new QGroupBox(u"Axis ranges"_s);
+    auto *axisGroupBox = new QGroupBox(u"Axis ranges"_s);
 
-    QSlider *axisMinSliderX = new QSlider(Qt::Horizontal);
+    auto *axisMinSliderX = new QSlider(Qt::Horizontal);
     axisMinSliderX->setMinimum(0);
     axisMinSliderX->setTickInterval(1);
     axisMinSliderX->setEnabled(true);
-    QSlider *axisMaxSliderX = new QSlider(Qt::Horizontal);
+    auto *axisMaxSliderX = new QSlider(Qt::Horizontal);
     axisMaxSliderX->setMinimum(1);
     axisMaxSliderX->setTickInterval(1);
     axisMaxSliderX->setEnabled(true);
-    QSlider *axisMinSliderZ = new QSlider(Qt::Horizontal);
+    auto *axisMinSliderZ = new QSlider(Qt::Horizontal);
     axisMinSliderZ->setMinimum(0);
     axisMinSliderZ->setTickInterval(1);
     axisMinSliderZ->setEnabled(true);
-    QSlider *axisMaxSliderZ = new QSlider(Qt::Horizontal);
+    auto *axisMaxSliderZ = new QSlider(Qt::Horizontal);
     axisMaxSliderZ->setMinimum(1);
     axisMaxSliderZ->setTickInterval(1);
     axisMaxSliderZ->setEnabled(true);
 
-    QVBoxLayout *axisVBox = new QVBoxLayout;
+    auto *axisVBox = new QVBoxLayout;
     axisVBox->addWidget(new QLabel(u"Column range"_s));
     axisVBox->addWidget(axisMinSliderX);
     axisVBox->addWidget(axisMaxSliderX);
@@ -175,72 +175,71 @@ bool SurfaceGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
 
     // Mode-dependent controls
     // sqrt-sin
-    QGroupBox *colorGroupBox = new QGroupBox(u"Custom gradient"_s);
+    auto *colorGroupBox = new QGroupBox(u"Custom gradient"_s);
 
     QPixmap pixmap = gradientBtoYPB_Pixmap();
-    QPushButton *gradientBtoYPB = new QPushButton(m_surfaceWidget);
+    auto *gradientBtoYPB = new QPushButton(m_surfaceWidget);
     gradientBtoYPB->setIcon(QIcon(pixmap));
     gradientBtoYPB->setIconSize(pixmap.size());
 
     pixmap = gradientGtoRPB_Pixmap();
-    QPushButton *gradientGtoRPB = new QPushButton(m_surfaceWidget);
+    auto *gradientGtoRPB = new QPushButton(m_surfaceWidget);
     gradientGtoRPB->setIcon(QIcon(pixmap));
     gradientGtoRPB->setIconSize(pixmap.size());
-
-    QHBoxLayout *colorHBox = new QHBoxLayout;
+    auto *colorHBox = new QHBoxLayout;
     colorHBox->addWidget(gradientBtoYPB);
     colorHBox->addWidget(gradientGtoRPB);
     colorGroupBox->setLayout(colorHBox);
 
     // Multiseries heightmap
-    QGroupBox *showGroupBox = new QGroupBox(u"_show Object"_s);
+    auto *showGroupBox = new QGroupBox(u"_show Object"_s);
     showGroupBox->setVisible(false);
 
-    QCheckBox *checkboxShowOilRigOne = new QCheckBox(u"Oil Rig 1"_s);
+    auto *checkboxShowOilRigOne = new QCheckBox(u"Oil Rig 1"_s);
     checkboxShowOilRigOne->setChecked(true);
 
-    QCheckBox *checkboxShowOilRigTwo = new QCheckBox(u"Oil Rig 2"_s);
+    auto *checkboxShowOilRigTwo = new QCheckBox(u"Oil Rig 2"_s);
     checkboxShowOilRigTwo->setChecked(true);
 
-    QCheckBox *checkboxShowRefinery = new QCheckBox(u"Refinery"_s);
+    auto *checkboxShowRefinery = new QCheckBox(u"Refinery"_s);
 
-    QVBoxLayout *showVBox = new QVBoxLayout;
+    auto *showVBox = new QVBoxLayout;
     showVBox->addWidget(checkboxShowOilRigOne);
     showVBox->addWidget(checkboxShowOilRigTwo);
     showVBox->addWidget(checkboxShowRefinery);
     showGroupBox->setLayout(showVBox);
 
-    QGroupBox *visualsGroupBox = new QGroupBox(u"Visuals"_s);
+    auto *visualsGroupBox = new QGroupBox(u"Visuals"_s);
     visualsGroupBox->setVisible(false);
 
-    QCheckBox *checkboxVisualsSeeThrough = new QCheckBox(u"See-Through"_s);
+    auto *checkboxVisualsSeeThrough = new QCheckBox(u"See-Through"_s);
 
-    QCheckBox *checkboxHighlightOil = new QCheckBox(u"Highlight Oil"_s);
+    auto *checkboxHighlightOil = new QCheckBox(u"Highlight Oil"_s);
 
-    QCheckBox *checkboxShowShadows = new QCheckBox(u"Shadows"_s);
+    auto *checkboxShowShadows = new QCheckBox(u"Shadows"_s);
     checkboxShowShadows->setChecked(true);
 
-    QVBoxLayout *visualVBox = new QVBoxLayout;
+    auto *visualVBox = new QVBoxLayout;
     visualVBox->addWidget(checkboxVisualsSeeThrough);
     visualVBox->addWidget(checkboxHighlightOil);
     visualVBox->addWidget(checkboxShowShadows);
     visualsGroupBox->setLayout(visualVBox);
 
-    QLabel *labelSelection = new QLabel(u"Selection:"_s);
+    auto *labelSelection = new QLabel(u"Selection:"_s);
     labelSelection->setVisible(false);
 
-    QLabel *labelSelectedItem = new QLabel(u"Nothing"_s);
+    auto *labelSelectedItem = new QLabel(u"Nothing"_s);
     labelSelectedItem->setVisible(false);
 
     // Textured topography heightmap
-    QCheckBox *enableTexture = new QCheckBox(u"Surface texture"_s);
+    auto *enableTexture = new QCheckBox(u"Surface texture"_s);
     enableTexture->setVisible(false);
 
-    QLabel *label = new QLabel(m_surfaceWidget);
+    auto *label = new QLabel(m_surfaceWidget);
     label->setPixmap(highlightPixmap());
 
-    QGroupBox *heightMapGroupBox = new QGroupBox(u"Highlight color map"_s);
-    QVBoxLayout *colorMapVBox = new QVBoxLayout;
+    auto *heightMapGroupBox = new QGroupBox(u"Highlight color map"_s);
+    auto *colorMapVBox = new QVBoxLayout;
     colorMapVBox->addWidget(label);
     heightMapGroupBox->setLayout(colorMapVBox);
     heightMapGroupBox->setVisible(false);
@@ -265,7 +264,7 @@ bool SurfaceGraph::initialize(const QSize &minimumGraphSize, const QSize &maximu
     vLayout->addWidget(enableTexture);
 
     // Create the controller
-    SurfaceGraphModifier *modifier = new SurfaceGraphModifier(m_surfaceGraph, labelSelectedItem, this);
+    auto *modifier = new SurfaceGraphModifier(m_surfaceGraph, labelSelectedItem, this);
 
     // Connect widget controls to controller
     QObject::connect(heightMapModelRB, &QRadioButton::toggled,
diff --git a/examples/datavisualization/graphgallery/surfacegraphmodifier.cpp b/examples/datavisualization/graphgallery/surfacegraphmodifier.cpp
index 527a0d4a..190a96b9 100644
--- a/examples/datavisualization/graphgallery/surfacegraphmodifier.cpp
+++ b/examples/datavisualization/graphgallery/surfacegraphmodifier.cpp
@@ -152,10 +152,10 @@ void SurfaceGraphModifier::fillSqrtSinProxy()
     float stepZ = (sampleMax - sampleMin) / float(sampleCountZ - 1);
 
     //! [1]
-    QSurfaceDataArray *dataArray = new QSurfaceDataArray;
+    auto *dataArray = new QSurfaceDataArray;
     dataArray->reserve(sampleCountZ);
     for (int i = 0 ; i < sampleCountZ ; ++i) {
-        QSurfaceDataRow *newRow = new QSurfaceDataRow;
+        auto *newRow = new QSurfaceDataRow;
         newRow->reserve(sampleCountX);
         // Keep values within range bounds, since just adding step can cause minor drift due
         // to the rounding errors.
@@ -447,10 +447,10 @@ void SurfaceGraphModifier::toggleItemOne(bool show)
         color.fill(Qt::red);
         //! [9]
         //! [11]
-        QCustom3DItem *item = new QCustom3DItem(":/data/oilrig.obj", positionOne,
-                                                QVector3D(0.025f, 0.025f, 0.025f),
-                                                QQuaternion::fromAxisAndAngle(0.f, 1.f, 0.f, 45.f),
-                                                color);
+        auto *item = new QCustom3DItem(":/data/oilrig.obj", positionOne,
+                                       QVector3D(0.025f, 0.025f, 0.025f),
+                                       QQuaternion::fromAxisAndAngle(0.f, 1.f, 0.f, 45.f),
+                                       color);
         //! [11]
         //! [12]
         m_graph->addCustomItem(item);
@@ -463,7 +463,7 @@ void SurfaceGraphModifier::toggleItemOne(bool show)
         m_graph->addCustomItem(item);
 
         //! [13]
-        QCustom3DLabel *label = new QCustom3DLabel();
+        auto *label = new QCustom3DLabel();
         label->setText("Oil Rig One");
         label->setPosition(positionOneLabel);
         label->setScaling(QVector3D(1.f, 1.f, 1.f));
@@ -487,7 +487,7 @@ void SurfaceGraphModifier::toggleItemTwo(bool show)
     if (show) {
         QImage color = QImage(2, 2, QImage::Format_RGB32);
         color.fill(Qt::red);
-        QCustom3DItem *item = new QCustom3DItem();
+        auto *item = new QCustom3DItem();
         item->setMeshFile(":/data/oilrig.obj");
         item->setPosition(positionTwo);
         item->setScaling(QVector3D(0.025f, 0.025f, 0.025f));
@@ -501,7 +501,7 @@ void SurfaceGraphModifier::toggleItemTwo(bool show)
         item->setShadowCasting(false);
         m_graph->addCustomItem(item);
 
-        QCustom3DLabel *label = new QCustom3DLabel();
+        auto *label = new QCustom3DLabel();
         label->setText("Oil Rig Two");
         label->setPosition(positionTwoLabel);
         label->setScaling(QVector3D(1.f, 1.f, 1.f));
@@ -521,7 +521,7 @@ void SurfaceGraphModifier::toggleItemThree(bool show)
     if (show) {
         QImage color = QImage(2, 2, QImage::Format_RGB32);
         color.fill(Qt::darkMagenta);
-        QCustom3DItem *item = new QCustom3DItem();
+        auto *item = new QCustom3DItem();
         item->setMeshFile(":/data/refinery.obj");
         item->setPosition(positionThree);
         item->setScaling(QVector3D(0.04f, 0.04f, 0.04f));
@@ -529,7 +529,7 @@ void SurfaceGraphModifier::toggleItemThree(bool show)
         item->setTextureImage(color);
         m_graph->addCustomItem(item);
 
-        QCustom3DLabel *label = new QCustom3DLabel();
+        auto *label = new QCustom3DLabel();
         label->setText("Refinery");
         label->setPosition(positionThreeLabel);
         label->setScaling(QVector3D(1.f, 1.f, 1.f));
diff --git a/examples/datavisualization/graphgallery/topographicseries.cpp b/examples/datavisualization/graphgallery/topographicseries.cpp
index c934f63f..201a275e 100644
--- a/examples/datavisualization/graphgallery/topographicseries.cpp
+++ b/examples/datavisualization/graphgallery/topographicseries.cpp
@@ -28,12 +28,12 @@ void TopographicSeries::setTopographyFile(const QString file, float width, float
     float stepX = width / float(imageWidth);
     float stepZ = height / float(imageHeight);
 
-    QSurfaceDataArray *dataArray = new QSurfaceDataArray;
+    auto *dataArray = new QSurfaceDataArray;
     dataArray->reserve(imageHeight);
     for (int i = 0; i < imageHeight; ++i) {
         int p = i * widthBits;
         float z = height - float(i) * stepZ;
-        QSurfaceDataRow *newRow = new QSurfaceDataRow;
+        auto *newRow = new QSurfaceDataRow;
         newRow->reserve(imageWidth);
         for (int j = 0; j < imageWidth; ++j) {
             uchar aa = bits[p + 0];
diff --git a/examples/datavisualization/graphgallery/variantbardataproxy.cpp b/examples/datavisualization/graphgallery/variantbardataproxy.cpp
index 87ab5f18..8fe73abc 100644
--- a/examples/datavisualization/graphgallery/variantbardataproxy.cpp
+++ b/examples/datavisualization/graphgallery/variantbardataproxy.cpp
@@ -100,9 +100,9 @@ void VariantBarDataProxy::resolveDataSet()
     }
 
     // Create a new data array in format the parent class understands
-    QBarDataArray *newProxyArray = new QBarDataArray;
+    auto *newProxyArray = new QBarDataArray;
     for (const QString &rowKey : rowList) {
-        QBarDataRow *newProxyRow = new QBarDataRow(columnList.size());
+        auto *newProxyRow = new QBarDataRow(columnList.size());
         for (qsizetype i = 0; i < columnList.size(); ++i)
             (*newProxyRow)[i].setValue(itemValueMap[rowKey][columnList.at(i)]);
         newProxyArray->append(newProxyRow);