# HG changeset patch
# User Mehmet Aslan <aaslan-mehmet@hotmail.com>
# Date 2019-03-24 12:44:14
# Node ID b5af7d81e1f059e7cb8a304dc8b91f900cccfe69
# Parent  e2263e5085983f050abedcbef0d001d1da7d7dbe

basic command line functionalities added.

diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -36,10 +36,13 @@ void messageHandler(QtMsgType type, cons
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+    QApplication::setApplicationName("SerialPlot");
+    QApplication::setApplicationVersion(VERSION_STRING);
     MainWindow w;
     pMainWindow = &w;
 
     qInstallMessageHandler(messageHandler);
+    w.handleCommandLineOptions(a);
 
     ToolTipFilter ttf;
     a.installEventFilter(&ttf);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -29,6 +29,8 @@
 #include <QDesktopServices>
 #include <QMap>
 #include <QtDebug>
+#include <QCommandLineParser>
+#include <QFileInfo>
 #include <qwt_plot.h>
 #include <limits.h>
 #include <cmath>
@@ -616,3 +618,55 @@ void MainWindow::onLoadSettings()
         loadAllSettings(&settings);
     }
 }
+
+void MainWindow::handleCommandLineOptions(const QCoreApplication &app)
+{
+    QCommandLineParser parser;
+    parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsCompactedShortOptions);
+    parser.setApplicationDescription("Small and simple software for plotting data from serial port in realtime.");
+    parser.addHelpOption();
+    parser.addVersionOption();
+
+    QCommandLineOption loadOpt({"l", "load"}, "Load settings from file.", "filename");
+    QCommandLineOption portOpt({"p", "port"}, "Set port name.", "port name");
+    QCommandLineOption baudrateOpt({"b" ,"baudrate"}, "Set port baudrate speed.", "baudrate speed");
+    QCommandLineOption openPortOpt({"o", "open"}, "Open serial port.");
+
+    parser.addOption(loadOpt);
+    parser.addOption(portOpt);
+    parser.addOption(baudrateOpt);
+    parser.addOption(openPortOpt);
+
+    parser.process(app);
+
+    if (parser.isSet(loadOpt))
+    {
+        QString fileName = parser.value(loadOpt);
+        QFileInfo fileInfo(fileName);
+
+        if (fileInfo.exists() && fileInfo.isFile())
+        {
+            QSettings settings(fileName, QSettings::IniFormat);
+            loadAllSettings(&settings);
+        }
+        else
+        {
+            qWarning() << "Ini file not exist";
+        }
+    }
+
+    if (parser.isSet(portOpt))
+    {
+        portControl.selectPort(parser.value(portOpt));
+    }
+
+    if (parser.isSet(baudrateOpt))
+    {
+        portControl.selectBaudrate(parser.value(baudrateOpt));
+    }
+
+    if (parser.isSet(openPortOpt))
+    {
+        portControl.openPort();
+    }
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -64,6 +64,7 @@ public:
 
     void messageHandler(QtMsgType type, const QMessageLogContext &context,
                         const QString &msg);
+    void handleCommandLineOptions(const QCoreApplication &app);
 
 private:
     Ui::MainWindow *ui;
diff --git a/src/portcontrol.cpp b/src/portcontrol.cpp
--- a/src/portcontrol.cpp
+++ b/src/portcontrol.cpp
@@ -79,10 +79,10 @@ PortControl::PortControl(QSerialPort* po
                      this, &PortControl::onTbPortListActivated);
     QObject::connect(ui->cbPortList,
                      SELECT<const QString&>::OVERLOAD_OF(&QComboBox::activated),
-                     this, &PortControl::selectPort);
+                     this, &PortControl::_selectPort);
     QObject::connect(&tbPortList,
                      SELECT<const QString&>::OVERLOAD_OF(&QComboBox::activated),
-                     this, &PortControl::selectPort);
+                     this, &PortControl::_selectPort);
 
     // setup buttons
     ui->pbOpenPort->setDefaultAction(&openAction);
@@ -91,7 +91,7 @@ PortControl::PortControl(QSerialPort* po
     // setup baud rate selection widget
     QObject::connect(ui->cbBaudRate,
                      SELECT<const QString&>::OVERLOAD_OF(&QComboBox::activated),
-                     this, &PortControl::selectBaudRate);
+                     this, &PortControl::_selectBaudRate);
 
     // setup parity selection buttons
     parityButtons.addButton(ui->rbNoParity, (int) QSerialPort::NoParity);
@@ -198,7 +198,7 @@ void PortControl::loadBaudRateList()
     }
 }
 
-void PortControl::selectBaudRate(QString baudRate)
+void PortControl::_selectBaudRate(QString baudRate)
 {
     if (serialPort->isOpen())
     {
@@ -289,7 +289,7 @@ void PortControl::togglePort()
         if (serialPort->open(QIODevice::ReadWrite))
         {
             // set port settings
-            selectBaudRate(ui->cbBaudRate->currentText());
+            _selectBaudRate(ui->cbBaudRate->currentText());
             selectParity((QSerialPort::Parity) parityButtons.checkedId());
             selectDataBits((QSerialPort::DataBits) dataBitsButtons.checkedId());
             selectStopBits((QSerialPort::StopBits) stopBitsButtons.checkedId());
@@ -310,7 +310,7 @@ void PortControl::togglePort()
     openAction.setChecked(serialPort->isOpen());
 }
 
-void PortControl::selectPort(QString portName)
+void PortControl::_selectPort(QString portName)
 {
     // portName may be coming from combobox
     portName = portName.split(" ")[0];
@@ -470,6 +470,45 @@ QString PortControl::currentFlowControlT
     }
 }
 
+void PortControl::selectPort(QString portName)
+{
+    int portIndex = portList.indexOfName(portName);
+    if (portIndex < 0) // not in list, add to model and update the selections
+    {
+        portList.appendRow(new PortListItem(portName));
+        ui->cbPortList->setCurrentIndex(portList.rowCount()-1);
+        tbPortList.setCurrentIndex(portList.rowCount()-1);
+    }
+    else
+    {
+        ui->cbPortList->setCurrentIndex(portIndex);
+        tbPortList.setCurrentIndex(portIndex);
+    }
+    _selectPort(portName);
+}
+
+void PortControl::selectBaudrate(QString baudRate)
+{
+    int baudRateIndex = ui->cbBaudRate->findText(baudRate);
+    if (baudRateIndex < 0)
+    {
+        ui->cbBaudRate->setCurrentText(baudRate);
+    }
+    else
+    {
+        ui->cbBaudRate->setCurrentIndex(baudRateIndex);
+    }
+    _selectBaudRate(baudRate);
+}
+
+void PortControl::openPort()
+{
+    if (!serialPort->isOpen())
+    {
+        openAction.trigger();
+    }
+}
+
 void PortControl::saveSettings(QSettings* settings)
 {
     settings->beginGroup(SettingGroup_Port);
diff --git a/src/portcontrol.h b/src/portcontrol.h
--- a/src/portcontrol.h
+++ b/src/portcontrol.h
@@ -47,6 +47,10 @@ public:
     QSerialPort* serialPort;
     QToolBar* toolBar();
 
+    void selectPort(QString portName);
+    void selectBaudrate(QString baudRate);
+    void openPort();
+
     /// Stores port settings into a `QSettings`
     void saveSettings(QSettings* settings);
     /// Loads port settings from a `QSettings`. If open serial port is closed.
@@ -80,9 +84,9 @@ private slots:
     void loadPortList();
     void loadBaudRateList();
     void togglePort();
-    void selectPort(QString portName);
+    void _selectPort(QString portName);
 
-    void selectBaudRate(QString baudRate);
+    void _selectBaudRate(QString baudRate);
     void selectParity(int parity); // parity must be one of QSerialPort::Parity
     void selectDataBits(int dataBits); // bits must be one of QSerialPort::DataBits
     void selectStopBits(int stopBits); // stopBits must be one of QSerialPort::StopBits