Allow to setup custom device in Terminal example

Terminal example allows to select only available devices which are
received from QSPI. Now it is possible to enter and to open of any
custom device.

Change-Id: I83172a346cb5dc0e20c217957133e9e3e506d8a4
Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com>

2 files changed, 25 insertions, 10 deletions

diff --git a/examples/serialport/terminal/settingsdialog.cpp b/examples/serialport/terminal/settingsdialog.cpp
index 494cf898..42147e67 100644
--- a/examples/serialport/terminal/settingsdialog.cpp
+++ b/examples/serialport/terminal/settingsdialog.cpp
@@ -41,6 +41,8 @@
 
 QT_USE_NAMESPACE
 
+static const char blankString[] = QT_TRANSLATE_NOOP("SettingsDialog", "N/A");
+
 SettingsDialog::SettingsDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::SettingsDialog)
@@ -57,6 +59,8 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
             this, SLOT(showPortInfo(int)));
     connect(ui->baudRateBox, SIGNAL(currentIndexChanged(int)),
             this, SLOT(checkCustomBaudRatePolicy(int)));
+    connect(ui->serialPortInfoListBox, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(checkCustomDevicePathPolicy(int)));
 
     fillPortsParameters();
     fillPortsInfo();
@@ -76,15 +80,16 @@ SettingsDialog::Settings SettingsDialog::settings() const
 
 void SettingsDialog::showPortInfo(int idx)
 {
-    if (idx != -1) {
-        QStringList list = ui->serialPortInfoListBox->itemData(idx).toStringList();
-        ui->descriptionLabel->setText(tr("Description: %1").arg(list.at(1)));
-        ui->manufacturerLabel->setText(tr("Manufacturer: %1").arg(list.at(2)));
-        ui->serialNumberLabel->setText(tr("Serial number: %1").arg(list.at(3)));
-        ui->locationLabel->setText(tr("Location: %1").arg(list.at(4)));
-        ui->vidLabel->setText(tr("Vendor Identifier: %1").arg(list.at(5)));
-        ui->pidLabel->setText(tr("Product Identifier: %1").arg(list.at(6)));
-    }
+    if (idx == -1)
+        return;
+
+    QStringList list = ui->serialPortInfoListBox->itemData(idx).toStringList();
+    ui->descriptionLabel->setText(tr("Description: %1").arg(list.count() > 1 ? list.at(1) : tr(blankString)));
+    ui->manufacturerLabel->setText(tr("Manufacturer: %1").arg(list.count() > 2 ? list.at(2) : tr(blankString)));
+    ui->serialNumberLabel->setText(tr("Serial number: %1").arg(list.count() > 3 ? list.at(3) : tr(blankString)));
+    ui->locationLabel->setText(tr("Location: %1").arg(list.count() > 4 ? list.at(4) : tr(blankString)));
+    ui->vidLabel->setText(tr("Vendor Identifier: %1").arg(list.count() > 5 ? list.at(5) : tr(blankString)));
+    ui->pidLabel->setText(tr("Product Identifier: %1").arg(list.count() > 6 ? list.at(6) : tr(blankString)));
 }
 
 void SettingsDialog::apply()
@@ -104,6 +109,14 @@ void SettingsDialog::checkCustomBaudRatePolicy(int idx)
     }
 }
 
+void SettingsDialog::checkCustomDevicePathPolicy(int idx)
+{
+    bool isCustomPath = !ui->serialPortInfoListBox->itemData(idx).isValid();
+    ui->serialPortInfoListBox->setEditable(isCustomPath);
+    if (isCustomPath)
+        ui->serialPortInfoListBox->clearEditText();
+}
+
 void SettingsDialog::fillPortsParameters()
 {
     ui->baudRateBox->addItem(QStringLiteral("9600"), QSerialPort::Baud9600);
@@ -138,7 +151,6 @@ void SettingsDialog::fillPortsParameters()
 void SettingsDialog::fillPortsInfo()
 {
     ui->serialPortInfoListBox->clear();
-    static const QString blankString = QObject::tr("N/A");
     QString description;
     QString manufacturer;
     QString serialNumber;
@@ -157,6 +169,8 @@ void SettingsDialog::fillPortsInfo()
 
         ui->serialPortInfoListBox->addItem(list.first(), list);
     }
+
+    ui->serialPortInfoListBox->addItem(QStringLiteral("Custom"));
 }
 
 void SettingsDialog::updateSettings()
diff --git a/examples/serialport/terminal/settingsdialog.h b/examples/serialport/terminal/settingsdialog.h
index 774ea679..d6c9d5e2 100644
--- a/examples/serialport/terminal/settingsdialog.h
+++ b/examples/serialport/terminal/settingsdialog.h
@@ -79,6 +79,7 @@ private slots:
     void showPortInfo(int idx);
     void apply();
     void checkCustomBaudRatePolicy(int idx);
+    void checkCustomDevicePathPolicy(int idx);
 
 private:
     void fillPortsParameters();