if (ui != NULL) ui->ptLog->appendPlainText(logString);

    std::cerr << logString.toStdString() << std::endl;

    if (type != QtDebugMsg && ui != NULL)

    {

        ui->statusBar->showMessage(msg, 5000);

    }

    if (type == QtFatalMsg)

    {

        __builtin_trap();

    }

}

void MainWindow::saveAllSettings(QSettings* settings)

{

    saveMWSettings(settings);

    portControl.saveSettings(settings);

    dataFormatPanel.saveSettings(settings);

    channelMan.saveSettings(settings);

    plotControlPanel.saveSettings(settings);

    plotMan->saveSettings(settings);

    commandPanel.saveSettings(settings);

    recordPanel.saveSettings(settings);

}

void MainWindow::loadAllSettings(QSettings* settings)

{

    loadMWSettings(settings);

    portControl.loadSettings(settings);

    dataFormatPanel.loadSettings(settings);

    channelMan.loadSettings(settings);

    plotControlPanel.loadSettings(settings);

    plotMan->loadSettings(settings);

    commandPanel.loadSettings(settings);

    recordPanel.loadSettings(settings);

}

void MainWindow::saveMWSettings(QSettings* settings)

{

    // save window geometry

    settings->beginGroup(SettingGroup_MainWindow);

    settings->setValue(SG_MainWindow_Size, size());

    settings->setValue(SG_MainWindow_Pos, pos());

    // save active panel

    settings->setValue(SG_MainWindow_ActivePanel,

                       panelSettingMap.value(ui->tabWidget->currentIndex()));

    // save panel minimization

    settings->setValue(SG_MainWindow_HidePanels,

                       ui->tabWidget->hideAction.isChecked());

    // save window maximized state

    settings->setValue(SG_MainWindow_Maximized,

                       bool(windowState() & Qt::WindowMaximized));

    // save toolbar/dockwidgets state

    settings->setValue(SG_MainWindow_State, saveState());

    settings->endGroup();

}

void MainWindow::loadMWSettings(QSettings* settings)

{

  (at your option) any later version.

  serialplot is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef SETTING_DEFINES_H

#define SETTING_DEFINES_H

const char SettingGroup_MainWindow[] = "MainWindow";

const char SettingGroup_Port[] = "Port";

const char SettingGroup_DataFormat[] = "DataFormat";

const char SettingGroup_Binary[] = "DataFormat_Binary";

const char SettingGroup_ASCII[] = "DataFormat_ASCII";

const char SettingGroup_CustomFrame[] = "DataFormat_CustomFrame";

const char SettingGroup_Channels[] = "Channels";

const char SettingGroup_Plot[] = "Plot";

const char SettingGroup_Commands[] = "Commands";

const char SettingGroup_Record[] = "Record";

// mainwindow setting keys

const char SG_MainWindow_Size[] = "size";

const char SG_MainWindow_Pos[] = "pos";

const char SG_MainWindow_ActivePanel[] = "activePanel";

const char SG_MainWindow_HidePanels[] = "hidePanels";

const char SG_MainWindow_Maximized[] = "maximized";

const char SG_MainWindow_State[] = "state";

// port setting keys

const char SG_Port_SelectedPort[] = "selectedPort";

const char SG_Port_BaudRate[] = "baudRate";

const char SG_Port_Parity[] = "parity";

const char SG_Port_DataBits[] = "dataBits";

const char SG_Port_StopBits[] = "stopBits";

const char SG_Port_FlowControl[] = "flowControl";

// data format panel keys

const char SG_DataFormat_Format[] = "format";

// binary stream reader keys

const char SG_Binary_NumOfChannels[] = "numOfChannels";

const char SG_Binary_NumberFormat[] = "numberFormat";

const char SG_Binary_Endianness[] = "endianness";

const char SG_Plot_AutoScale[] = "autoScale";

const char SG_Plot_YMax[] = "yMax";

const char SG_Plot_YMin[] = "yMin";

const char SG_Plot_DarkBackground[] = "darkBackground";

const char SG_Plot_Grid[] = "grid";

const char SG_Plot_MinorGrid[] = "minorGrid";

const char SG_Plot_Legend[] = "legend";

const char SG_Plot_MultiPlot[] = "multiPlot";

const char SG_Plot_Symbols[] = "symbols";

// command setting keys

const char SG_Commands_Command[] = "command";

const char SG_Commands_Name[] = "name";

const char SG_Commands_Type[] = "type";

const char SG_Commands_Data[] = "data";

// record panel settings keys

const char SG_Record_AutoIncrement[]    = "autoIncrement";

const char SG_Record_RecordPaused[]     = "recordPaused";

const char SG_Record_StopOnClose[]      = "stopOnClose";

const char SG_Record_Header[]           = "header";

const char SG_Record_Separator[]        = "separator";

const char SG_Record_DisableBuffering[] = "disableBuffering";

#endif // SETTING_DEFINES_H

/*

  Copyright © 2017 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "updatecheckdialog.h"

#include "ui_updatecheckdialog.h"

UpdateCheckDialog::UpdateCheckDialog(QWidget *parent) :

    QDialog(parent),

    ui(new Ui::UpdateCheckDialog)

{

    ui->setupUi(this);

    connect(&updateChecker, &UpdateChecker::checkFailed,

            [this](QString errorMessage)

            {

                ui->label->setText(QString("Update check failed.\n") + errorMessage);

            });

    connect(&updateChecker, &UpdateChecker::checkFinished,

            [this](bool found, QString newVersion, QString downloadUrl)

            {

                QString text;

                if (!found)

                {

                    text = "There is no update yet.";

                }

                else

                {

                    text = QString("Found update to version %1. Click to <a href=\"%2\">download</a>.")\

                        .arg(newVersion).arg(downloadUrl);

                }

                ui->label->setText(text);

            });

}

UpdateCheckDialog::~UpdateCheckDialog()

{

    delete ui;

}

void UpdateCheckDialog::showEvent(QShowEvent *event)

{

    updateChecker.checkUpdate();

    ui->label->setText("Checking update...");

}

void UpdateCheckDialog::closeEvent(QShowEvent *event)

{

    if (updateChecker.isChecking()) updateChecker.cancelCheck();

}

/*

  Copyright © 2017 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot is free software: you can redistribute it and/or modify

  it under the terms of the GNU General Public License as published by

  the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef UPDATECHECKDIALOG_H

#define UPDATECHECKDIALOG_H

#include <QDialog>

#include "updatechecker.h"

namespace Ui {

class UpdateCheckDialog;

}

class UpdateCheckDialog : public QDialog

{

    Q_OBJECT

public:

    explicit UpdateCheckDialog(QWidget *parent = 0);

    ~UpdateCheckDialog();

private:

    Ui::UpdateCheckDialog *ui;

    UpdateChecker updateChecker;

    void showEvent(QShowEvent *event);

    void closeEvent(QShowEvent *event);

};

#endif // UPDATECHECKDIALOG_H

 <widget class="QDialog" name="UpdateCheckDialog">

  <property name="geometry">

   <rect>

    <x>0</x>

    <y>0</y>

    <width>400</width>

    <height>148</height>

   </rect>

  </property>

  <property name="windowTitle">

   <string>Check Update</string>

  </property>

  <layout class="QVBoxLayout" name="verticalLayout">

   <item>

    <widget class="QLabel" name="label">

     <property name="text">

      <string>Checking update...</string>

     </property>

     <property name="openExternalLinks">

      <bool>true</bool>

     </property>

    </widget>

   </item>

   <item>

    <widget class="QDialogButtonBox" name="buttonBox">

     <property name="orientation">

      <enum>Qt::Horizontal</enum>

     </property>

     <property name="standardButtons">

      <set>QDialogButtonBox::Close</set>

     </property>

    </widget>

   </item>

  </layout>

 </widget>

 <resources/>

 <connections>

  <connection>

   <sender>buttonBox</sender>

   <signal>clicked(QAbstractButton*)</signal>

   <receiver>UpdateCheckDialog</receiver>

   <slot>close()</slot>

   <hints>

    <hint type="sourcelabel">

     <x>199</x>

     <y>125</y>

    </hint>

    <hint type="destinationlabel">

#include <functional>

#include "updatechecker.h"

// This link returns the list of downloads in JSON format. Note that we only use

// the first page because results are sorted new to old.

const char BB_DOWNLOADS_URL[] = "https://api.bitbucket.org/2.0/repositories/hyozd/serialplot/downloads?fields=values.name,values.links.self.href";

UpdateChecker::UpdateChecker(QObject *parent) :

    QObject(parent), nam(this)

{

    activeReply = NULL;

    connect(&nam, &QNetworkAccessManager::finished,

            this, &UpdateChecker::onReqFinished);

}

bool UpdateChecker::isChecking() const

{

    return activeReply != NULL && !activeReply->isFinished();

}

void UpdateChecker::checkUpdate()

{

    auto req = QNetworkRequest(QUrl(BB_DOWNLOADS_URL));

    activeReply = nam.get(req);

}

void UpdateChecker::cancelCheck()

{

    if (activeReply != NULL) activeReply->abort();

}

void UpdateChecker::onReqFinished(QNetworkReply* reply)

{

    if (reply->error() != QNetworkReply::NoError)

    {

        emit checkFailed(QString("Network error: ") + reply->errorString());

    }

    else

    {

        QJsonParseError error;

        auto data = QJsonDocument::fromJson(reply->readAll(), &error);

        if (error.error != QJsonParseError::NoError)

        {

            emit checkFailed(QString("JSon parsing error: ") + error.errorString());

        }

        else