3 files changed, 6 insertions, 15 deletions
diff --git a/examples/opengl/paintedwindow/paintedwindow.cpp b/examples/opengl/paintedwindow/paintedwindow.cpp
index 6e031e5cb7..799431a765 100644
--- a/examples/opengl/paintedwindow/paintedwindow.cpp
+++ b/examples/opengl/paintedwindow/paintedwindow.cpp
@@ -95,9 +95,7 @@ PaintedWindow::PaintedWindow()
 
     connect(screen(), &QScreen::orientationChanged, this, &PaintedWindow::orientationChanged);
     connect(m_animation, &QAbstractAnimation::finished, this, &PaintedWindow::rotationDone);
-    typedef void (PaintedWindow::*PaintedWindowVoidSlot)();
-    connect(this, &PaintedWindow::rotationChanged,
-            this, static_cast<PaintedWindowVoidSlot>(&PaintedWindow::paint));
+    connect(this, &PaintedWindow::rotationChanged, this, QOverload<>::of(&PaintedWindow::paint));
 }
 
 void PaintedWindow::exposeEvent(QExposeEvent *)
diff --git a/examples/opengl/qopenglwidget/mainwindow.cpp b/examples/opengl/qopenglwidget/mainwindow.cpp
index f602c9995b..1bb2aa2bf0 100644
--- a/examples/opengl/qopenglwidget/mainwindow.cpp
+++ b/examples/opengl/qopenglwidget/mainwindow.cpp
@@ -61,8 +61,6 @@
 
 #include "glwidget.h"
 
-typedef void (QWidget::*QWidgetVoidSlot)();
-
 MainWindow::MainWindow()
     : m_nextX(1), m_nextY(1)
 {
@@ -131,14 +129,11 @@ MainWindow::MainWindow()
     QMenu *helpMenu = menuBar()->addMenu("&Help");
     helpMenu->addAction("About Qt", qApp, &QApplication::aboutQt);
 
-    connect(m_timer, &QTimer::timeout,
-            glwidget, static_cast<QWidgetVoidSlot>(&QWidget::update));
+    connect(m_timer, &QTimer::timeout, glwidget, QOverload<>::of(&QWidget::update));
 
     connect(slider, &QAbstractSlider::valueChanged, glwidget, &GLWidget::setScaling);
     connect(transparent, &QCheckBox::toggled, glwidget, &GLWidget::setTransparent);
-
-    typedef void (QSpinBox::*QSpinBoxIntSignal)(int);
-    connect(updateInterval, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged),
+    connect(updateInterval, QOverload<int>::of(&QSpinBox::valueChanged),
             this, &MainWindow::updateIntervalChanged);
     connect(timerBased, &QCheckBox::toggled, this, &MainWindow::timerUsageChanged);
     connect(timerBased, &QCheckBox::toggled, updateInterval, &QWidget::setEnabled);
@@ -162,7 +157,7 @@ void MainWindow::addNew()
         return;
     GLWidget *w = new GLWidget(this, false, qRgb(qrand() % 256, qrand() % 256, qrand() % 256));
     m_glWidgets << w;
-    connect(m_timer, &QTimer::timeout, w, static_cast<QWidgetVoidSlot>(&QWidget::update));
+    connect(m_timer, &QTimer::timeout, w, QOverload<>::of(&QWidget::update));
     m_layout->addWidget(w, m_nextY, m_nextX, 1, 1);
     if (m_nextX == 3) {
         m_nextX = 1;
diff --git a/examples/opengl/qopenglwindow/main.cpp b/examples/opengl/qopenglwindow/main.cpp
index 4287d42d24..4f008b45a6 100644
--- a/examples/opengl/qopenglwindow/main.cpp
+++ b/examples/opengl/qopenglwindow/main.cpp
@@ -173,8 +173,6 @@ void OpenGLWindow::keyPressEvent(QKeyEvent *e)
 
 void OpenGLWindow::setAnimating(bool enabled)
 {
-    typedef void (QPaintDeviceWindow::*QPaintDeviceWindowVoidSlot)();
-
     if (enabled) {
         // Animate continuously, throttled by the blocking swapBuffers() call the
         // QOpenGLWindow internally executes after each paint. Once that is done
@@ -182,11 +180,11 @@ void OpenGLWindow::setAnimating(bool enabled)
         // obviously assumes that the swap interval (see
         // QSurfaceFormat::setSwapInterval()) is non-zero.
         connect(this, &QOpenGLWindow::frameSwapped,
-                this, static_cast<QPaintDeviceWindowVoidSlot>(&QPaintDeviceWindow::update));
+                this, QOverload<>::of(&QPaintDeviceWindow::update));
         update();
     } else {
         disconnect(this, &QOpenGLWindow::frameSwapped,
-                   this, static_cast<QPaintDeviceWindowVoidSlot>(&QPaintDeviceWindow::update));
+                   this, QOverload<>::of(&QPaintDeviceWindow::update));
     }
 }