4 files changed, 10 insertions, 16 deletions
diff --git a/examples/charts/candlestickchart/main.cpp b/examples/charts/candlestickchart/main.cpp
index 243b0f61..26a26a37 100644
--- a/examples/charts/candlestickchart/main.cpp
+++ b/examples/charts/candlestickchart/main.cpp
@@ -32,6 +32,7 @@
 #include <QtCharts/QChartView>
 #include <QtCharts/QValueAxis>
 #include <QtCore/QDateTime>
+#include <QtCore/QFile>
 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMainWindow>
 
diff --git a/examples/charts/piechartcustomization/brushtool.cpp b/examples/charts/piechartcustomization/brushtool.cpp
index d4c1785b..a33674a6 100644
--- a/examples/charts/piechartcustomization/brushtool.cpp
+++ b/examples/charts/piechartcustomization/brushtool.cpp
@@ -62,7 +62,7 @@ BrushTool::BrushTool(QString title, QWidget *parent)
     setLayout(layout);
 
     connect(m_colorButton, &QPushButton::clicked, this, &BrushTool::showColorDialog);
-    connect(m_styleCombo, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_styleCombo, &QComboBox::currentIndexChanged,
             this, &BrushTool::updateStyle);
 }
 
diff --git a/examples/charts/piechartcustomization/mainwidget.cpp b/examples/charts/piechartcustomization/mainwidget.cpp
index 7c3648a2..4a7a1243 100644
--- a/examples/charts/piechartcustomization/mainwidget.cpp
+++ b/examples/charts/piechartcustomization/mainwidget.cpp
@@ -89,7 +89,7 @@ MainWidget::MainWidget(QWidget *parent)
     QGroupBox *chartSettings = new QGroupBox("Chart");
     chartSettings->setLayout(chartSettingsLayout);
 
-    connect(m_themeComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_themeComboBox, &QComboBox::currentIndexChanged,
             this, &MainWidget::updateChartSettings);
     connect(m_aaCheckBox, &QCheckBox::toggled, this, &MainWidget::updateChartSettings);
     connect(m_animationsCheckBox, &QCheckBox::toggled, this, &MainWidget::updateChartSettings);
@@ -223,15 +223,12 @@ MainWidget::MainWidget(QWidget *parent)
     connect(m_labelBrushTool, &BrushTool::changed, this, &MainWidget::updateSliceSettings);
     connect(m_sliceLabelVisible, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings);
     connect(m_sliceLabelVisible, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings);
-    connect(m_sliceLabelArmFactor,
-            static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged),
+    connect(m_sliceLabelArmFactor, &QDoubleSpinBox::valueChanged,
             this, &MainWidget::updateSliceSettings);
     connect(m_sliceExploded, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings);
-    connect(m_sliceExplodedFactor,
-            static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged),
+    connect(m_sliceExplodedFactor, &QDoubleSpinBox::valueChanged,
             this, &MainWidget::updateSliceSettings);
-    connect(m_labelPosition,
-            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_labelPosition, &QComboBox::currentIndexChanged,
             this, &MainWidget::updateSliceSettings);
 
     // create chart view
diff --git a/examples/charts/piechartcustomization/pentool.cpp b/examples/charts/piechartcustomization/pentool.cpp
index 3b160859..36e970d3 100644
--- a/examples/charts/piechartcustomization/pentool.cpp
+++ b/examples/charts/piechartcustomization/pentool.cpp
@@ -73,17 +73,13 @@ PenTool::PenTool(QString title, QWidget *parent)
 
     // Use old style connect on some signals because the signal is overloaded
     connect(m_colorButton, &QPushButton::clicked, this, &PenTool::showColorDialog);
-    connect(m_widthSpinBox,
-            static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged),
+    connect(m_widthSpinBox, &QDoubleSpinBox::valueChanged,
             this, &PenTool::updateWidth);
-    connect(m_styleCombo,
-            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_styleCombo, &QComboBox::currentIndexChanged,
             this, &PenTool::updateStyle);
-    connect(m_capStyleCombo,
-            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_capStyleCombo, &QComboBox::currentIndexChanged,
             this, &PenTool::updateCapStyle);
-    connect(m_joinStyleCombo,
-            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+    connect(m_joinStyleCombo, &QComboBox::currentIndexChanged,
             this, &PenTool::updateJoinStyle);
 }