QButtonGroup: remove deprecated signals

Task-number: QTBUG-80906
Change-Id: I6f697b0a070ba4c401117fe7cdf02429b47d9a11
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>

2 files changed, 8 insertions, 6 deletions

diff --git a/examples/widgets/widgets/icons/mainwindow.cpp b/examples/widgets/widgets/icons/mainwindow.cpp
index 4f990f7320..928470b054 100644
--- a/examples/widgets/widgets/icons/mainwindow.cpp
+++ b/examples/widgets/widgets/icons/mainwindow.cpp
@@ -172,15 +172,16 @@ void MainWindow::changeStyle(bool checked)
 //! [4]
 
 //! [5]
-void MainWindow::changeSize(int id, bool checked)
+void MainWindow::changeSize(QAbstractButton *button, bool checked)
 {
     if (!checked)
         return;
 
-    const bool other = id == int(OtherSize);
+    const int index = sizeButtonGroup->id(button);
+    const bool other = index == int(OtherSize);
     const int extent = other
         ? otherSpinBox->value()
-        : QApplication::style()->pixelMetric(static_cast<QStyle::PixelMetric>(id));
+        : QApplication::style()->pixelMetric(static_cast<QStyle::PixelMetric>(index));
 
     previewArea->setSize(QSize(extent, extent));
     otherSpinBox->setEnabled(other);
@@ -188,7 +189,7 @@ void MainWindow::changeSize(int id, bool checked)
 
 void MainWindow::triggerChangeSize()
 {
-    changeSize(sizeButtonGroup->checkedId(), true);
+    changeSize(sizeButtonGroup->checkedButton(), true);
 }
 //! [5]
 
@@ -372,7 +373,7 @@ QWidget *MainWindow::createIconSizeGroupBox()
     sizeButtonGroup = new QButtonGroup(this);
     sizeButtonGroup->setExclusive(true);
 
-    connect(sizeButtonGroup, QOverload<int, bool>::of(&QButtonGroup::buttonToggled),
+    connect(sizeButtonGroup, &QButtonGroup::buttonToggled,
             this, &MainWindow::changeSize);
 
     QRadioButton *smallRadioButton = new QRadioButton;
diff --git a/examples/widgets/widgets/icons/mainwindow.h b/examples/widgets/widgets/icons/mainwindow.h
index c67d828cab..9250711ecc 100644
--- a/examples/widgets/widgets/icons/mainwindow.h
+++ b/examples/widgets/widgets/icons/mainwindow.h
@@ -62,6 +62,7 @@ class QActionGroup;
 class QLabel;
 class QButtonGroup;
 class QTableWidget;
+class QAbstractButton;
 QT_END_NAMESPACE
 class IconPreviewArea;
 class IconSizeSpinBox;
@@ -81,7 +82,7 @@ public:
 private slots:
     void about();
     void changeStyle(bool checked);
-    void changeSize(int, bool);
+    void changeSize(QAbstractButton *button, bool);
     void triggerChangeSize();
     void changeIcon();
     void addSampleImages();