Add updater

CMakeLists.txt

@@ -100,6 +100,7 @@ cmake_dependent_option(WITH_WAVE     "Build with 'Wave' animation."     ON "WITH
 cmake_dependent_option(WITH_INVADERS "Build with 'Invaders' animation." ON "WITH_ANIMATIONS;WITH_GUI" OFF)
 
 # Options: daemon
+option(DISABLE_UPDATER "Disable the ckb-next updater. This option should only be enabled during packaging."    OFF)
 option(DEBUG_USB_SEND  "Show the contents of USB packets being sent to device."                                OFF)
 option(DEBUG_USB_RECV  "Show the contents of USB packets being received from device through usbrecv()."        OFF)
 option(DEBUG_USB_INPUT "Show the contents of USB packets being received from device through the input thread." OFF)

src/ckbnextconfig.h.in

@@ -3,6 +3,8 @@
 
 #define CKB_NEXT_PROFILE_VER ${ckb-next_PROFILE_VER}
 
+#cmakedefine DISABLE_UPDATER
+
 #cmakedefine DEBUG_USB_SEND
 #cmakedefine DEBUG_USB_RECV
 #cmakedefine DEBUG_USB_INPUT

src/gui/CMakeLists.txt

@@ -120,6 +120,8 @@ if (MACOS OR LINUX)
               autorun.cpp
               ckbsettings.cpp
               ckbsettingswriter.cpp
+              ckbupdater.cpp
+              ckbupdaterwidget.cpp
               colorbutton.cpp
               colormap.cpp
               extrasettingswidget.cpp
@@ -159,6 +161,8 @@ if (MACOS OR LINUX)
               autorun.h
               ckbsettings.h
               ckbsettingswriter.h
+              ckbupdater.h
+              ckbupdaterwidget.h
               colorbutton.h
               colormap.h
               extrasettingswidget.h
@@ -194,6 +198,7 @@ if (MACOS OR LINUX)
               settingswidget.h
               animadddialog.ui
               animsettingdialog.ui
+              ckbupdaterwidget.ui
               extrasettingswidget.ui
               fwupgradedialog.ui
               gradientdialog.ui

src/gui/ckbupdater.cpp

@@ -0,0 +1,77 @@
+#include "ckbupdater.h"
+#include "kbmanager.h"
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QRegularExpression>
+#include <QRegularExpressionMatch>
+
+CkbUpdater::CkbUpdater(QObject *parent) : QObject(parent), _accessManager(new QNetworkAccessManager(this)), _latestVerStr(QString()){
+    connect(_accessManager, &QNetworkAccessManager::finished, this, &CkbUpdater::finished); // FIXME: use finished() on QNetworkReply instead
+}
+
+void CkbUpdater::checkForNewVersion(){
+    _accessManager->get(QNetworkRequest(QUrl("https://raw.githubusercontent.com/ckb-next/ckb-next/master/VERSION.cmake")));
+}
+
+// Read the VERSION. If there's a newer one, fetch the changelog and parse it.
+void CkbUpdater::finished(QNetworkReply* reply){
+    if(reply->error() == QNetworkReply::NoError) {
+        QByteArray bytes = reply->readAll();
+
+        if(reply->url().url().endsWith("VERSION.cmake")) {
+            _latestVerStr = getVersionString(&bytes);
+            float latestVer = KbManager::parseVersionString(_latestVerStr);
+            float currentVer = KbManager::ckbGuiVersionF();
+
+            if(latestVer <= currentVer) {
+                emit checkedForNewVer(QString(), QString());
+            } else
+                _accessManager->get(QNetworkRequest(QUrl("https://raw.githubusercontent.com/ckb-next/ckb-next/master/CHANGELOG.md")));
+        } else
+            emit checkedForNewVer(_latestVerStr, parseChangeLog(&bytes));
+
+    } else
+        emit checkedForNewVer(QString(), QString());
+    reply->deleteLater();
+}
+
+QString CkbUpdater::getVersionString(QByteArray* bytes){
+    // return "0.3.2"; // Uncomment and set a higher version to force the update message to pop up
+    QString ret;
+
+    if(bytes->count() > 1000)
+        return ret;
+
+    QString str(*bytes);
+
+    QRegularExpression re("ckb-next_VERSION +\"([0-9\\.]+)\"", QRegularExpression::MultilineOption);
+    QRegularExpressionMatch match = re.match(str);
+    if(match.hasMatch())
+        ret = match.captured(1);
+    return ret;
+}
+
+QString CkbUpdater::parseChangeLog(QByteArray* bytes){
+    QByteArray lbytes = bytes->left(4000); // Don't read too much data
+    QList<QByteArray> bytelist = lbytes.split('\n');
+
+    bool append = false;
+    QString changelog;
+    for(int i = 0; i < bytelist.count(); i++) {
+        if(bytelist.at(i).startsWith("## [v")) {
+            if(append)
+                break;
+            append = true;
+            continue;
+        }
+        if(bytelist.at(i).startsWith("[Full Changelog]")) {
+            i++;
+            continue;
+        }
+        if(append) {
+            changelog.append(bytelist.at(i));
+            changelog.append('\n');
+        }
+    }
+    return changelog;
+}

src/gui/ckbupdater.h

@@ -0,0 +1,28 @@
+#ifndef CKBUPDATER_H
+#define CKBUPDATER_H
+
+#include <QObject>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+
+class CkbUpdater : public QObject
+{
+    Q_OBJECT
+public:
+    explicit CkbUpdater(QObject *parent = 0);
+    void checkForNewVersion();
+
+private:
+    QNetworkAccessManager* _accessManager;
+    QString getVersionString(QByteArray* bytes);
+    QString _latestVerStr;
+    QString parseChangeLog(QByteArray* bytes);
+
+signals:
+    void checkedForNewVer(QString ver, QString changelog);
+
+private slots:
+    void finished(QNetworkReply* reply);
+};
+
+#endif // CKBUPDATER_H

src/gui/ckbupdaterwidget.cpp

@@ -0,0 +1,143 @@
+#include "ckbupdaterwidget.h"
+#include "ui_ckbupdaterwidget.h"
+#include "kbmanager.h"
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QNetworkRequest>
+#include <QBitmap>
+#include <QCryptographicHash>
+#include <QMessageBox>
+
+CkbUpdaterDialog::CkbUpdaterDialog(QString ver, QString changelog, QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::CkbUpdaterWidget), _version(ver), _changelog(changelog), _manager(nullptr), _redirectCount(0), _url(QString("https://github.com/ckb-next/ckb-next/")), _quitApp(false){
+    ui->setupUi(this);
+    QPixmap pixmap = QPixmap(":/img/ckb-next.png").copy(QRect(0, 125, 512, 262)).scaledToWidth(70, Qt::SmoothTransformation);
+    ui->iconLabel->setPixmap(pixmap);
+    ui->iconLabel->setMask(pixmap.mask());
+    ui->versionLabel->setText(QString("ckb-next v") + _version);
+#ifdef Q_OS_MAC
+    // dmg download
+    _url.append("releases/download/v");
+    _url.append(_version);
+    _url.append("/ckb-next_v");
+    _url.append(_version);
+#ifdef OS_MAC_LEGACY
+    _url.append("-legacy");
+#endif
+    _url.append(".dmg");
+#else
+    // Source download
+    _url.append("archive/v");
+    _url.append(_version);
+    _url.append(".tar.gz");
+#endif
+    ui->changelogLabel->setText("<a href=\"https://github.com/ckb-next/ckb-next/releases/tag/v" + _version + "\" style=\"text-decoration: none;\">v" + _version + " full changelog</a><br /><a href=\"" + _url + "\" style=\"text-decoration: none;\">v" + _version + " manual download</a>");
+    ui->changelogTextEdit->setPlainText(changelog);
+    ui->progressBar->setValue(0);
+    ui->progressBar->hide();
+    qDebug() << _url;
+}
+
+CkbUpdaterDialog::~CkbUpdaterDialog(){
+    if(_manager != nullptr)
+        _manager->deleteLater();
+    delete ui;
+}
+
+void CkbUpdaterDialog::on_remindMeLaterButton_clicked(){
+    this->close();
+}
+
+void CkbUpdaterDialog::on_updateButton_clicked(){
+    ui->remindMeLaterButton->setEnabled(false);
+    ui->updateButton->setEnabled(false);
+    ui->updateButton->setText("Downloading");
+    if(_manager != nullptr)
+        return;
+
+    ui->progressBar->show();
+    _manager = new QNetworkAccessManager(this);
+    connect(_manager, &QNetworkAccessManager::finished, this, &CkbUpdaterDialog::downloadFinished);
+    _reply = _manager->get(QNetworkRequest(QUrl(_url)));
+    connect(_reply, &QNetworkReply::downloadProgress, this, &CkbUpdaterDialog::downloadProgress);
+}
+
+void CkbUpdaterDialog::downloadProgress(qint64 bytesReceived, qint64 bytesTotal){
+    // Redirects are handled elsewhere
+    if(_reply->hasRawHeader("Location"))
+        return;
+
+    ui->progressBar->setRange(0, bytesTotal);
+    ui->progressBar->setValue(bytesReceived);
+}
+
+void CkbUpdaterDialog::downloadFinished(QNetworkReply* reply){
+    ui->progressBar->setRange(0, 0);
+    _redirectCount++;
+    if(_redirectCount > 3){
+        reply->deleteLater();
+        return;
+    }
+
+    QUrl redirect = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
+    if(redirect.isEmpty()) {
+        QByteArray download = reply->readAll(); // We can afford to keep the downloaded file in ram
+        QCryptographicHash hash(QCryptographicHash::Sha256);
+        hash.addData(download);
+        QDir dir;
+        dir.mkdir("/tmp/ckb-next/");
+#ifdef Q_OS_MAC
+        QString suffix(".dmg");
+#else
+        QString suffix(".tar.gz");
+#endif
+        QFile outFile(QString("/tmp/ckb-next/v") + _version + suffix);
+        if(outFile.open(QFile::WriteOnly)) {
+            outFile.write(download);
+            outFile.close();
+        }
+        reply->deleteLater();
+
+        QMessageBox::information(this, "Download Complete", QString(tr("Update has been downloaded to /tmp/ckb-next/v")
+                                                                    + _version + suffix
+#ifndef Q_OS_MAC
+                                                                    + tr("<br />You will need to manually compile the source code.")
+#endif
+                                                                    + tr("<br /><br />Optionally, for added security, please check that the following value exists at the bottom of <a href=\"https://github.com/ckb-next/ckb-next/releases/tag/v")
+                                                                    + _version
+                                                                    + tr("\">this page</a>.<br /><pre>%1</pre><br />Press OK to continue.")).arg(QString(hash.result().toHex())));
+        QProcess process;
+#if defined(Q_OS_MAC)
+        // Unmount any old ckb-next volume that might exist
+        QStringList detachArgs("detach");
+        detachArgs << QString("/Volumes/ckb-next/");
+        process.execute("hdiutil", detachArgs);
+
+        // Mount the new image
+        QStringList attachArgs("attach");
+        attachArgs << QString("/tmp/ckb-next/v") + _version + suffix;
+        process.execute("hdiutil", attachArgs);
+
+        // Open the mpkg inside
+        process.execute("open", QStringList(QString("/Volumes/ckb-next/ckb-next.mpkg")));
+#elif defined(Q_OS_LINUX)
+        QStringList tarpit("-xzf");
+        tarpit << "/tmp/ckb-next/v" + _version + suffix;
+        tarpit << "-C";
+        tarpit << "/tmp/ckb-next/";
+        process.execute("tar", tarpit);
+        process.execute("xdg-open", QStringList(QString("/tmp/ckb-next/ckb-next-") + _version ));
+#endif
+        // Close the GUI
+        qApp->quit();
+    } else {
+        QString host = redirect.host();
+        if(host != "github-production-release-asset-2e65be.s3.amazonaws.com" && host != "codeload.github.com") {
+            reply->deleteLater();
+            return;
+        }
+        _reply = _manager->get(QNetworkRequest(redirect));
+        connect(_reply, &QNetworkReply::downloadProgress, this, &CkbUpdaterDialog::downloadProgress);
+    }
+}

src/gui/ckbupdaterwidget.h

@@ -0,0 +1,36 @@
+#ifndef CKBUPDATERWIDGET_H
+#define CKBUPDATERWIDGET_H
+
+#include <QDialog>
+#include <QWidget>
+#include <QNetworkAccessManager>
+
+namespace Ui {
+class CkbUpdaterWidget;
+}
+
+class CkbUpdaterDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit CkbUpdaterDialog(QString ver,  QString changelog, QWidget *parent = 0);
+    ~CkbUpdaterDialog();
+
+private slots:
+    void on_remindMeLaterButton_clicked();
+    void on_updateButton_clicked();
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
+    void downloadFinished(QNetworkReply* reply);
+
+private:
+    Ui::CkbUpdaterWidget *ui;
+    QString _version, _changelog;
+    QNetworkAccessManager* _manager;
+    QNetworkReply* _reply;
+    int _redirectCount;
+    QString _url;
+    bool _quitApp;
+};
+
+#endif // CKBUPDATERWIDGET_H

src/gui/ckbupdaterwidget.ui

@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CkbUpdaterWidget</class>
+ <widget class="QWidget" name="CkbUpdaterWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>654</width>
+    <height>410</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Software Updater</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="iconLabel">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="textFormat">
+        <enum>Qt::RichText</enum>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignHCenter|Qt::AlignTop</set>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="versionLabel">
+     <property name="font">
+      <font>
+       <weight>75</weight>
+       <bold>true</bold>
+      </font>
+     </property>
+     <property name="text">
+      <string>ckb-next v</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignBottom|Qt::AlignHCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="newVersionLabel">
+     <property name="text">
+      <string>A new version of ckb-next has been released.</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QPlainTextEdit" name="changelogTextEdit">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="minimumSize">
+      <size>
+       <width>500</width>
+       <height>0</height>
+      </size>
+     </property>
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="changelogLabel">
+     <property name="text">
+      <string>&lt;a href=&quot;#&quot; style=&quot;text-decoration: none;&quot;&gt;v0.3.2 changelog&lt;/a&gt;&lt;br /&gt;&lt;a href=&quot;#&quot; style=&quot;text-decoration: none;&quot;&gt;v0.3.2 manual download&lt;/a&gt;</string>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QProgressBar" name="progressBar">
+     <property name="value">
+      <number>24</number>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_3">
+     <item>
+      <spacer name="horizontalSpacer_5">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="updateButton">
+       <property name="text">
+        <string>Update Now</string>
+       </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
+       <property name="default">
+        <bool>true</bool>
+       </property>
+       <property name="flat">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="remindMeLaterButton">
+       <property name="text">
+        <string>Remind Me Later</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/gui/mainwindow.cpp

@@ -15,6 +15,11 @@
 #include <signal.h>
 #include <QProcess>
 
+#ifndef DISABLE_UPDATER
+#include "ckbupdater.h"
+#include "ckbupdaterwidget.h"
+#endif
+
 extern QSharedMemory appShare;
 extern QString devpath;
 
@@ -165,9 +170,23 @@ MainWindow::MainWindow(QWidget *parent) :
         showWindow();
         dialog.exec();
     }
+#ifndef DISABLE_UPDATER
+    if(!CkbSettings::get("Program/DisableAutoUpdCheck", false).toBool())
+        checkForCkbUpdates();
+
+    connect(settingsWidget, &SettingsWidget::checkForUpdates, this, &MainWindow::checkForCkbUpdates);
+#endif
 }
 
-void MainWindow::toggleTrayIcon(bool visible) {
+void MainWindow::checkForCkbUpdates(){
+#ifndef DISABLE_UPDATER
+    updater = new CkbUpdater(this);
+    connect(updater, &CkbUpdater::checkedForNewVer, this, &MainWindow::checkedForNewVer);
+    updater->checkForNewVersion();
+#endif
+}
+
+void MainWindow::toggleTrayIcon(bool visible){
 #ifdef USE_LIBAPPINDICATOR
     if(useAppindicator)
         app_indicator_set_status(indicator, visible ? APP_INDICATOR_STATUS_ACTIVE : APP_INDICATOR_STATUS_PASSIVE);
@@ -404,3 +423,18 @@ void MainWindow::PosixSignalHandler(int signal){
     if(ret == -1)
         qDebug() << "Error on PosixSignalHandler write";
 }
+
+void MainWindow::checkedForNewVer(QString ver, QString changelog){
+#ifndef DISABLE_UPDATER
+    if(!ver.isEmpty()) {
+        settingsWidget->setUpdateButtonText("Update to v" + ver);
+        showWindow();
+        CkbUpdaterDialog updDialog(ver, changelog, this);
+        updDialog.exec();
+    } else {
+        settingsWidget->setUpdateButtonText("Up to date");
+    }
+    updater->deleteLater();
+    settingsWidget->enableUpdateButton();
+#endif
+}

src/gui/mainwindow.h

@@ -10,6 +10,10 @@
 #include "settingswidget.h"
 #include <QSocketNotifier>
 
+#ifndef DISABLE_UPDATER
+#include "ckbupdater.h"
+#endif
+
 #ifdef USE_LIBAPPINDICATOR
 // 'signals' has to be undefined as GTK has its own signal mechanism
 #undef signals
@@ -42,7 +46,6 @@ public:
 private:
     SettingsWidget* settingsWidget;
     QList<KbWidget*> kbWidgets;
-
     QAction* restoreAction;
     QAction* closeAction;
 
@@ -63,23 +66,27 @@ public slots:
     void showWindow();
     void stateChange(Qt::ApplicationState state);
     void quitApp();
+    void checkForCkbUpdates();
+
 
 private slots:
     void addDevice(Kb* device);
     void removeDevice(Kb* device);
     void updateVersion();
     void checkFwUpdates();
-
     void timerTick();
     void iconClicked(QSystemTrayIcon::ActivationReason reason);
     void cleanup();
     void showFwUpdateNotification(QWidget* widget, float version);
-
     void QSignalHandler();
+    void checkedForNewVer(QString ver, QString changelog);
 
 private:
     Ui::MainWindow *ui;
     QSocketNotifier* sigNotifier;
+#ifndef DISABLE_UPDATER
+    CkbUpdater* updater;
+#endif
 };
 
 #endif // MAINWINDOW_H

src/gui/settingswidget.cpp

@@ -8,11 +8,14 @@
 #include <QMessageBox>
 #include <QFileDialog>
 #include <QDateTime>
+#include "mainwindow.h"
+#include <ckbnextconfig.h>
 
 extern QString devpath;
 
 // Modifier keys (OS-dependent)
 static QStringList modKeys, modNames;
+static bool updateRequestedByUser = false;
 
 SettingsWidget::SettingsWidget(QWidget *parent) :
     QWidget(parent), devDetect(nullptr),
@@ -87,6 +90,13 @@ SettingsWidget::SettingsWidget(QWidget *parent) :
     ui->label_2->setText(labelText);
 #endif
 #endif
+
+#ifdef DISABLE_UPDATER
+    ui->autoUpdBox->hide();
+    ui->pushButton_2->hide();
+#else
+    ui->autoUpdBox->setChecked(!settings.value("DisableAutoUpdCheck", false).toBool());
+#endif
 }
 
 SettingsWidget::~SettingsWidget(){
@@ -228,3 +238,27 @@ void SettingsWidget::devDetectFinished(int retVal){
 void SettingsWidget::devDetectDestroyed(){
     devDetect = nullptr;
 }
+
+void SettingsWidget::on_autoUpdBox_clicked(bool checked)
+{
+    CkbSettings::set("Program/DisableAutoUpdCheck", !checked);
+}
+
+void SettingsWidget::on_pushButton_2_clicked()
+{
+    emit checkForUpdates();
+    ui->pushButton_2->setEnabled(false);
+    ui->pushButton_2->setText("Checking...");
+    updateRequestedByUser = true;
+}
+
+void SettingsWidget::enableUpdateButton(){
+    ui->pushButton_2->setEnabled(true);
+}
+
+void SettingsWidget::setUpdateButtonText(QString text){
+    if(updateRequestedByUser) {
+        ui->pushButton_2->setText(text);
+        updateRequestedByUser = false;
+    }
+}

src/gui/settingswidget.h

@@ -24,6 +24,12 @@ public:
     // Poll for setting updates and save (if necessary)
     void pollUpdates();
 
+    void enableUpdateButton();
+    void setUpdateButtonText(QString text);
+
+signals:
+    void checkForUpdates();
+
 private slots:
     void on_pushButton_clicked();
     void on_capsBox_activated(int index);
@@ -38,6 +44,8 @@ private slots:
     void on_generateReportButton_clicked();
     void devDetectFinished(int retVal);
     void devDetectDestroyed();
+    void on_autoUpdBox_clicked(bool checked);
+    void on_pushButton_2_clicked();
 
 private:
     QProcess* devDetect;

src/gui/settingswidget.ui

@@ -407,6 +407,16 @@
            </property>
           </widget>
          </item>
+         <item>
+          <widget class="QCheckBox" name="autoUpdBox">
+           <property name="text">
+            <string>Check for ckb-next updates on startup</string>
+           </property>
+           <property name="checked">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
        <item>
@@ -445,6 +455,31 @@
            </property>
           </widget>
          </item>
+         <item>
+          <widget class="QPushButton" name="pushButton_2">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Fixed" vsizetype="Minimum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="minimumSize">
+            <size>
+             <width>142</width>
+             <height>0</height>
+            </size>
+           </property>
+           <property name="baseSize">
+            <size>
+             <width>142</width>
+             <height>0</height>
+            </size>
+           </property>
+           <property name="text">
+            <string>Check for updates</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
        <item>