CAN-Example: Rename all occurrences of "backend" to "plugin"

The first parameter of QCanBus::createDevice() is called "plugin",
so use this term in our examples to avoid confusion.

Change-Id: I2fc28731d3763e037c18a7030205dad5d54183cd
Reviewed-by: Rolf Eike Beer <eb@emlix.com>
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

4 files changed, 18 insertions, 18 deletions

diff --git a/examples/serialbus/can/connectdialog.cpp b/examples/serialbus/can/connectdialog.cpp
index e8088e3..326dcac 100644
--- a/examples/serialbus/can/connectdialog.cpp
+++ b/examples/serialbus/can/connectdialog.cpp
@@ -68,14 +68,14 @@ ConnectDialog::ConnectDialog(QWidget *parent) :
     connect(m_ui->cancelButton, &QPushButton::clicked, this, &ConnectDialog::cancel);
     connect(m_ui->useConfigurationBox, &QCheckBox::clicked,
             m_ui->configurationBox, &QGroupBox::setEnabled);
-    connect(m_ui->backendListBox, &QComboBox::currentTextChanged,
-            this, &ConnectDialog::backendChanged);
+    connect(m_ui->pluginListBox, &QComboBox::currentTextChanged,
+            this, &ConnectDialog::pluginChanged);
     connect(m_ui->interfaceListBox, &QComboBox::currentTextChanged,
             this, &ConnectDialog::interfaceChanged);
     m_ui->rawFilterEdit->hide();
     m_ui->rawFilterLabel->hide();
 
-    m_ui->backendListBox->addItems(QCanBus::instance()->plugins());
+    m_ui->pluginListBox->addItems(QCanBus::instance()->plugins());
 
     updateSettings();
 }
@@ -90,10 +90,10 @@ ConnectDialog::Settings ConnectDialog::settings() const
     return m_currentSettings;
 }
 
-void ConnectDialog::backendChanged(const QString &backend)
+void ConnectDialog::pluginChanged(const QString &plugin)
 {
     m_ui->interfaceListBox->clear();
-    m_interfaces = QCanBus::instance()->availableDevices(backend);
+    m_interfaces = QCanBus::instance()->availableDevices(plugin);
     for (const QCanBusDeviceInfo &info : qAsConst(m_interfaces))
         m_ui->interfaceListBox->addItem(info.name());
 }
@@ -146,7 +146,7 @@ QString ConnectDialog::configurationValue(QCanBusDevice::ConfigurationKey key)
 
 void ConnectDialog::revertSettings()
 {
-    m_ui->backendListBox->setCurrentText(m_currentSettings.backendName);
+    m_ui->pluginListBox->setCurrentText(m_currentSettings.pluginName);
     m_ui->interfaceListBox->setCurrentText(m_currentSettings.deviceInterfaceName);
     m_ui->useConfigurationBox->setChecked(m_currentSettings.useConfigurationEnabled);
 
@@ -171,7 +171,7 @@ void ConnectDialog::revertSettings()
 
 void ConnectDialog::updateSettings()
 {
-    m_currentSettings.backendName = m_ui->backendListBox->currentText();
+    m_currentSettings.pluginName = m_ui->pluginListBox->currentText();
     m_currentSettings.deviceInterfaceName = m_ui->interfaceListBox->currentText();
     m_currentSettings.useConfigurationEnabled = m_ui->useConfigurationBox->isChecked();
 
diff --git a/examples/serialbus/can/connectdialog.h b/examples/serialbus/can/connectdialog.h
index ba90ba6..4e3e2c6 100644
--- a/examples/serialbus/can/connectdialog.h
+++ b/examples/serialbus/can/connectdialog.h
@@ -62,7 +62,7 @@ public:
     typedef QPair<QCanBusDevice::ConfigurationKey, QVariant> ConfigurationItem;
 
     struct Settings {
-        QString backendName;
+        QString pluginName;
         QString deviceInterfaceName;
         QList<ConfigurationItem> configurations;
         bool useConfigurationEnabled = false;
@@ -74,7 +74,7 @@ public:
     Settings settings() const;
 
 private slots:
-    void backendChanged(const QString &backend);
+    void pluginChanged(const QString &plugin);
     void interfaceChanged(const QString &interface);
     void ok();
     void cancel();
diff --git a/examples/serialbus/can/connectdialog.ui b/examples/serialbus/can/connectdialog.ui
index aad6bef..def6e59 100644
--- a/examples/serialbus/can/connectdialog.ui
+++ b/examples/serialbus/can/connectdialog.ui
@@ -55,13 +55,13 @@
     </layout>
    </item>
    <item row="0" column="0">
-    <widget class="QGroupBox" name="selectBackendBox">
+    <widget class="QGroupBox" name="selectPluginBox">
      <property name="title">
-      <string>Select CAN backend</string>
+      <string>Select CAN plugin</string>
      </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="0" column="0">
-       <widget class="QComboBox" name="backendListBox"/>
+       <widget class="QComboBox" name="pluginListBox"/>
       </item>
      </layout>
     </widget>
diff --git a/examples/serialbus/can/mainwindow.cpp b/examples/serialbus/can/mainwindow.cpp
index 8754947..dec1dae 100644
--- a/examples/serialbus/can/mainwindow.cpp
+++ b/examples/serialbus/can/mainwindow.cpp
@@ -113,11 +113,11 @@ void MainWindow::connectDevice()
     const ConnectDialog::Settings p = m_connectDialog->settings();
 
     QString errorString;
-    m_canDevice = QCanBus::instance()->createDevice(p.backendName, p.deviceInterfaceName,
+    m_canDevice = QCanBus::instance()->createDevice(p.pluginName, p.deviceInterfaceName,
                                                     &errorString);
     if (!m_canDevice) {
         showStatusMessage(tr("Error creating device '%1', reason: '%2'")
-                          .arg(p.backendName).arg(errorString));
+                          .arg(p.pluginName).arg(errorString));
         return;
     }
 
@@ -146,12 +146,12 @@ void MainWindow::connectDevice()
 
         QVariant bitRate = m_canDevice->configurationParameter(QCanBusDevice::BitRateKey);
         if (bitRate.isValid()) {
-            showStatusMessage(tr("Backend: %1, connected to %2 at %3 kBit/s")
-                    .arg(p.backendName).arg(p.deviceInterfaceName)
+            showStatusMessage(tr("Plugin: %1, connected to %2 at %3 kBit/s")
+                    .arg(p.pluginName).arg(p.deviceInterfaceName)
                     .arg(bitRate.toInt() / 1000));
         } else {
-            showStatusMessage(tr("Backend: %1, connected to %2")
-                    .arg(p.backendName).arg(p.deviceInterfaceName));
+            showStatusMessage(tr("Plugin: %1, connected to %2")
+                    .arg(p.pluginName).arg(p.deviceInterfaceName));
         }
     }
 }