Add ping button to example.

3 files changed, 39 insertions, 16 deletions

diff --git a/examples/mqtt/simpleclient/mainwindow.cpp b/examples/mqtt/simpleclient/mainwindow.cpp
index b87885f..6248f57 100644
--- a/examples/mqtt/simpleclient/mainwindow.cpp
+++ b/examples/mqtt/simpleclient/mainwindow.cpp
@@ -27,10 +27,18 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(m_client, &QMqttClient::messageReceived, this, [this](const QString &topic, const QString &message) {
         const QString content = QDateTime::currentDateTime().toString()
                     + QLatin1String(" Received Topic: ")
-                + topic
-                + QLatin1String(" Message: ")
-                + message
-                + QLatin1Char('\n');
+                    + topic
+                    + QLatin1String(" Message: ")
+                    + message
+                    + QLatin1Char('\n');
+        ui->editLog->insertPlainText(content);
+    });
+
+    connect(m_client, &QMqttClient::pingResponse, this, [this]() {
+        ui->buttonPing->setEnabled(true);
+        const QString content = QDateTime::currentDateTime().toString()
+                    + QLatin1String(" PingResponse")
+                    + QLatin1Char('\n');
         ui->editLog->insertPlainText(content);
     });
 
@@ -94,3 +102,9 @@ void MainWindow::on_buttonSubscribe_clicked()
 {
     m_client->subscribe(ui->lineEditTopic->text());
 }
+
+void MainWindow::on_buttonPing_clicked()
+{
+    ui->buttonPing->setEnabled(false);
+    m_client->requestPing();
+}
diff --git a/examples/mqtt/simpleclient/mainwindow.h b/examples/mqtt/simpleclient/mainwindow.h
index 0de0962..4120cf1 100644
--- a/examples/mqtt/simpleclient/mainwindow.h
+++ b/examples/mqtt/simpleclient/mainwindow.h
@@ -29,6 +29,8 @@ private slots:
 
     void on_buttonSubscribe_clicked();
 
+    void on_buttonPing_clicked();
+
 private:
     Ui::MainWindow *ui;
     QMqttClient *m_client;
diff --git a/examples/mqtt/simpleclient/mainwindow.ui b/examples/mqtt/simpleclient/mainwindow.ui
index 8efcb58..b67b6c2 100644
--- a/examples/mqtt/simpleclient/mainwindow.ui
+++ b/examples/mqtt/simpleclient/mainwindow.ui
@@ -63,6 +63,13 @@
     </item>
     <item>
      <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="lineEditTopic">
+        <property name="text">
+         <string>qtmqtt/topic1</string>
+        </property>
+       </widget>
+      </item>
       <item row="0" column="0">
        <widget class="QLabel" name="label_3">
         <property name="text">
@@ -70,24 +77,24 @@
         </property>
        </widget>
       </item>
-      <item row="0" column="1">
-       <widget class="QLineEdit" name="lineEditTopic">
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_4">
         <property name="text">
-         <string>qtmqtt/topic1</string>
+         <string>Message:</string>
         </property>
        </widget>
       </item>
-      <item row="0" column="2">
-       <widget class="QPushButton" name="buttonSubscribe">
+      <item row="1" column="2">
+       <widget class="QPushButton" name="buttonPublish">
         <property name="text">
-         <string>Subscribe</string>
+         <string>Publish</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="label_4">
+      <item row="0" column="2">
+       <widget class="QPushButton" name="buttonSubscribe">
         <property name="text">
-         <string>Message:</string>
+         <string>Subscribe</string>
         </property>
        </widget>
       </item>
@@ -98,10 +105,10 @@
         </property>
        </widget>
       </item>
-      <item row="1" column="2">
-       <widget class="QPushButton" name="buttonPublish">
+      <item row="2" column="2">
+       <widget class="QPushButton" name="buttonPing">
         <property name="text">
-         <string>Publish</string>
+         <string>Ping</string>
         </property>
        </widget>
       </item>