Polish the Qt Designer examples

- Use new string literals
- Reorder includes
- Use some auto
- Minor fixes

Fixes: QTBUG-110447
Change-Id: I5af23a662dffb3a01795d1f62c573f854e2ee103
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
(cherry picked from commit d1e672c47fd9cfa60f646554db6cba9de08a044f)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 5 insertions, 12 deletions

diff --git a/examples/designer/customwidgetplugin/analogclock.cpp b/examples/designer/customwidgetplugin/analogclock.cpp
index 8d0f4e40d..23461edbf 100644
--- a/examples/designer/customwidgetplugin/analogclock.cpp
+++ b/examples/designer/customwidgetplugin/analogclock.cpp
@@ -5,6 +5,7 @@
 
 #include <QMouseEvent>
 #include <QPainter>
+
 #include <QTime>
 #include <QTimer>
 
@@ -12,7 +13,7 @@ AnalogClock::AnalogClock(QWidget *parent)
     : QWidget(parent)
 {
     QTimer *timer = new QTimer(this);
-    connect(timer, &QTimer::timeout, this, QOverload<>::of(&QWidget::update));
+    connect(timer, &QTimer::timeout, this, qOverload<>(&QWidget::update));
     timer->start(1000);
 
     setWindowTitle(tr("Analog Clock"));
@@ -21,21 +22,13 @@ AnalogClock::AnalogClock(QWidget *parent)
 
 void AnalogClock::paintEvent(QPaintEvent *)
 {
-    static const QPoint hourHand[3] = {
-        QPoint(7, 8),
-        QPoint(-7, 8),
-        QPoint(0, -40)
-    };
-    static const QPoint minuteHand[3] = {
-        QPoint(7, 8),
-        QPoint(-7, 8),
-        QPoint(0, -70)
-    };
+    static const QPoint hourHand[3] = {{7, 8}, {-7, 8}, {0, -40}};
+    static const QPoint minuteHand[3] = {{7, 8}, {-7, 8}, {0, -70}};
 
     QColor hourColor(127, 0, 127);
     QColor minuteColor(0, 127, 127, 191);
 
-    int side = qMin(width(), height());
+    const int side = qMin(width(), height());
     QTime time = QTime::currentTime();
 
     QPainter painter(this);