Revamp the Non-Blocking Slave Example

* Use the 'm_' prefixes for all class members.
* Use the QOverload in signal/slot casting.
* Use more member class initializations.
* Remove QT_USE_NAMESPACE macro.
* Use from(to)Utf8 instead of from(to)Local8Bit.

Task-number: QTBUG-60652
Change-Id: I3f7f078aad6d86f56feb6a3dfa78bf158ee0ee63
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 14 insertions, 17 deletions

diff --git a/examples/serialport/slave/dialog.h b/examples/serialport/slave/dialog.h
index 0405cf8..13909c7 100644
--- a/examples/serialport/slave/dialog.h
+++ b/examples/serialport/slave/dialog.h
@@ -52,12 +52,9 @@
 #define DIALOG_H
 
 #include <QDialog>
+#include <QSerialPort>
 #include <QTimer>
 
-#include <QtSerialPort/QSerialPort>
-
-QT_USE_NAMESPACE
-
 QT_BEGIN_NAMESPACE
 
 class QLabel;
@@ -85,20 +82,20 @@ private:
     void processError(const QString &s);
 
 private:
-    int transactionCount;
-    QLabel *serialPortLabel;
-    QComboBox *serialPortComboBox;
-    QLabel *waitRequestLabel;
-    QSpinBox *waitRequestSpinBox;
-    QLabel *responseLabel;
-    QLineEdit *responseLineEdit;
-    QLabel *trafficLabel;
-    QLabel *statusLabel;
-    QPushButton *runButton;
+    int m_transactionCount = 0;
+    QLabel *m_serialPortLabel = nullptr;
+    QComboBox *m_serialPortComboBox = nullptr;
+    QLabel *m_waitRequestLabel = nullptr;
+    QSpinBox *m_waitRequestSpinBox = nullptr;
+    QLabel *m_responseLabel = nullptr;
+    QLineEdit *m_responseLineEdit = nullptr;
+    QLabel *m_trafficLabel = nullptr;
+    QLabel *m_statusLabel = nullptr;
+    QPushButton *m_runButton = nullptr;
 
-    QSerialPort serial;
-    QByteArray request;
-    QTimer timer;
+    QSerialPort m_serial;
+    QByteArray m_request;
+    QTimer m_timer;
 };
 
 #endif // DIALOG_H