Merge branch 'userapps' into 'master'

apps.cpp

@@ -1,8 +1,14 @@
 #include "apps.h"
 #include "ui_apps.h"
 #include "mainwindow.h"
+#include "userapps.h"
+
 #include <QFile>
 #include <QProcess>
+#include <QJsonParseError>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QJsonArray>
 
 apps::apps(QWidget *parent) :
     QWidget(parent),
@@ -29,6 +35,8 @@ apps::apps(QWidget *parent) :
     ui->reversiLaunchBtn->setStyleSheet("background: lightGrey; font-size: 9pt; padding: 8px");
     ui->g2048LaunchBtn->setStyleSheet("background: lightGrey; font-size: 9pt; padding: 8px");
 
+    ui->noUserAppsAvailableLabel->hide();
+
     // Hiding KoBox apps button and label if X11 isn't enabled/wasn't started
     if(checkconfig("/external_root/boot/flags/X11_START") == false or checkconfig("/external_root/boot/flags/X11_STARTED") == false) {
         ui->label_5->hide();
@@ -61,6 +69,15 @@ apps::apps(QWidget *parent) :
         ui->lightmapsLaunchBtn->deleteLater();
     }
 
+    ui->editUserAppsBtn->setProperty("type", "borderless");
+    ui->editUserAppsBtn->setIcon(QIcon(":/resources/edit.png"));
+
+    // Refresh because Qt shows the scrollbar for one second then hides it, leaving a mark on the eInk screen
+    QTimer::singleShot(1750, this, SLOT(refreshScreenNative()));
+
+    jsonParseSuccess = parseJson();
+    showUserApps(false);
+
     QFile stylesheetFile("/mnt/onboard/.adds/inkbox/eink.qss");
     stylesheetFile.open(QFile::ReadOnly);
     this->setStyleSheet(stylesheetFile.readAll());
@@ -160,3 +177,216 @@ void apps::on_g2048LaunchBtn_clicked()
 void apps::showToastNative(QString messageToDisplay) {
     emit showToast(messageToDisplay);
 }
+
+/*
+ * This function opens and reads the main GUI user applications' JSON file, parses and verifies its content to avoid issues in the future.
+*/
+bool apps::parseJson() {
+    // If the path changes, it is also used statically in showUserApps()
+    jsonFile.setFileName("/mnt/onboard/onboard/.apps/apps.json");
+    bool jsonCheckSuccess = true;
+
+    if(jsonFile.exists() == false) {
+        log("GUI user applications' main JSON file is missing", className);
+        jsonCheckSuccess = false;
+    }
+    else {
+        jsonFile.open(QIODevice::ReadOnly | QIODevice::Text);
+        QString fileRead = jsonFile.readAll();
+        jsonFile.close();
+
+        jsonDocument = QJsonDocument::fromJson(fileRead.toUtf8());
+        if(jsonDocument.isNull() == true) {
+            log("GUI user applications' main JSON file is invalid", className);
+            jsonCheckSuccess = false;
+        }
+        else {
+            QJsonObject jsonObject = jsonDocument.object();
+            if(jsonObject["list"].isArray() == true) {
+                QJsonArray jsonArray = jsonObject["list"].toArray();
+                for(QJsonValueRef refJsonObject: jsonArray) {
+                    if(refJsonObject.isObject()) {
+                        QJsonObject jsonMainObject = refJsonObject.toObject();
+                        if(jsonMainObject.size() == 9) {
+                            if(!jsonMainObject["Name"].isString()) {
+                                QString function = __func__; log(function + ": Invalid 'Name' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["Author"].isString()) {
+                                QString function = __func__; log(function + ": Invalid 'Author' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["AuthorContact"].isString()) {
+                                QString function = __func__; log(function + ": Invalid 'AuthorContact' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["Version"].isString()) {
+                                QString function = __func__; log(function + ": Invalid 'Version' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["IconPath"].isString()) {
+                                log("JSON: Invalid IconPath type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["ExecPath"].isString()) {
+                                QString function = __func__; log(function + ": Invalid 'ExecPath' type inside object", className);
+                                jsonCheckSuccess = false;
+                            }
+                            else {
+                                if(jsonMainObject["ExecPath"].toString().contains("..")) {
+                                    // Possible security risk
+                                    showToastNative("ERROR: 'ExecPath' has invalid path");
+                                    QString function = __func__; log(function + ": 'ExecPath' contains \"..\"", className);
+                                    jsonCheckSuccess = false;
+                                }
+                            }
+                            if(!jsonMainObject["Enabled"].isBool()) {
+                                QString function = __func__; log(function + ": Invalid 'Enabled' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            if(!jsonMainObject["SupportedDevices"].isArray()) {
+                                QString function = __func__; log(function + ": Invalid 'SupportedDevices' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            else {
+                                QJsonArray jsonArray = jsonMainObject["SupportedDevices"].toArray();
+                                for(QJsonValueRef refJsonObject: jsonArray) {
+                                    // https://doc.qt.io/qt-5/qjsonvalue.html#toInt
+                                    if(!refJsonObject.isString()) {
+                                        QString function = __func__; log(function + ": Array from 'RequiredFeatures' contains a wrong type", className);
+                                        jsonCheckSuccess = false;
+                                    }
+                                }
+                            }
+                            if(!jsonMainObject["RequiredFeatures"].isArray()) {
+                                QString function = __func__; log(function + ": Invalid 'RequiredFeatures' type inside object", className);
+                                jsonCheckSuccess = false;
+
+                            }
+                            else {
+                                QJsonArray jsonArray = jsonMainObject["RequiredFeatures"].toArray();
+                                for(QJsonValueRef refJsonObject: jsonArray) {
+                                    // https://doc.qt.io/qt-5/qjsonvalue.html#toInt
+                                    if(!refJsonObject.isDouble()) {
+                                        QString function = __func__; log(function + ": Array from 'RequiredFeatures' contains a wrong type", className);
+                                        jsonCheckSuccess = false;
+                                    }
+                                }
+                            }
+                        }
+                        else {
+                            QString function = __func__; QString message = function + ": An object inside list array has too many items (or not enough): ";
+                            message.append(QString::number(jsonMainObject.size()));
+                            log(message, className);
+                            jsonCheckSuccess = false;
+                        }
+                    }
+                    else {
+                        QString function = __func__; log(function + ": List array has an item of other type than object", className);
+                        jsonCheckSuccess = false;
+                    }
+                }
+            }
+        }
+    }
+    return jsonCheckSuccess;
+}
+
+void apps::on_editUserAppsBtn_clicked()
+{
+    if(userAppsSecondPage == false) {
+        userAppsSecondPage = true;
+
+        // Settings page
+        ui->editUserAppsBtn->setIcon(QIcon(":/resources/save.png"));
+        showUserApps(userAppsSecondPage);
+        emit showUserAppsEdit(userAppsSecondPage);
+
+        QTimer::singleShot(500, this, SLOT(refreshScreenNative()));
+    }
+    else {
+        userAppsSecondPage = false;
+        userAppsAvailable = false;
+
+        // Launch page
+        ui->editUserAppsBtn->setIcon(QIcon(":/resources/edit.png"));
+        // It changed via updateJsonFileSlot, and now it writes it only once
+        jsonFile.open(QFile::WriteOnly | QFile::Text | QFile::Truncate);
+        jsonFile.write(jsonDocument.toJson());
+        jsonFile.flush();
+        jsonFile.close();
+
+        showUserApps(userAppsSecondPage);
+        emit showUserAppsEdit(userAppsSecondPage);
+
+        QTimer::singleShot(500, this, SLOT(refreshScreenNative()));
+    }
+}
+
+void apps::showUserApps(bool showDisabledJson)
+{
+    emit clearAppsLayout();
+
+    if(jsonParseSuccess == true) {
+        QString function = __func__; log(function + ": Main user applications' JSON is valid", className);
+        QJsonArray jsonListArray = jsonDocument.object()["list"].toArray();
+        for(QJsonValueRef refJsonObject: jsonListArray) {
+            QJsonObject appInfo = refJsonObject.toObject();
+            if(appInfo["Enabled"].toBool() == true or showDisabledJson == true) {
+                userAppsAvailable = true;
+                userapps * newUserApp = new userapps;
+                newUserApp->provideInfo(appInfo);
+                connect(this, SIGNAL(clearAppsLayout()), newUserApp, SLOT(deleteLater()));
+                connect(this, SIGNAL(showUserAppsEdit(bool)), newUserApp, SLOT(changePageEnabling(bool)));
+                connect(this, SIGNAL(updateJsonFileSignal(QJsonDocument)), newUserApp, SLOT(updateJsonFileSlotUA(QJsonDocument)));
+                connect(newUserApp, SIGNAL(updateJsonFileSignalUA(QJsonDocument)), this, SLOT(updateJsonFileSlot(QJsonDocument)));
+                newUserApp->jsonDocument = jsonDocument;
+                newUserApp->jsonFilePath = jsonFile.fileName();
+                ui->verticalLayout_4->addWidget(newUserApp);
+            }
+        }
+
+        if(userAppsAvailable == false) {
+            ui->noUserAppsAvailableLabel->show();
+        }
+        else {
+            ui->noUserAppsAvailableLabel->hide();
+        }
+    }
+    else {
+        if(QFile::exists("/mnt/onboard/onboard/.apps/apps.json")) {
+            QString function = __func__; log(function + ": Main user applications' JSON file is invalid", className);
+            QTimer::singleShot(500, this, SLOT(showFailedToParseMainUserAppsJsonFile()));
+        }
+        else {
+            QString function = __func__; log(function + ": Main user applications' JSON file doesn't exist; assuming that no user applications are currently installed", className);
+        }
+
+        ui->editUserAppsBtn->hide();
+        ui->label_6->hide();
+        ui->line_2->hide();
+        ui->line_3->hide();
+        ui->editUserAppsBtn->hide();
+        ui->label_6->deleteLater();
+        ui->horizontalLayout->deleteLater();
+        ui->line_2->deleteLater();
+        ui->line_3->deleteLater();
+    }
+}
+
+void apps::updateJsonFileSlot(QJsonDocument jsonDocumentFunc)
+{
+    jsonDocument = jsonDocumentFunc;
+    emit updateJsonFileSignal(jsonDocument);
+}
+
+void apps::showFailedToParseMainUserAppsJsonFile() {
+     emit showToast("Failed to parse 'apps.json'");
+}

apps.h

@@ -7,6 +7,8 @@
 #include <koboxappsdialog.h>
 #include <generaldialog.h>
 
+#include <QJsonDocument>
+
 namespace Ui {
 class apps;
 }
@@ -30,9 +32,14 @@ private slots:
     void on_koboxAppsOpenButton_clicked();
     void on_vncLaunchBtn_clicked();
     void on_reversiLaunchBtn_clicked();
+    void on_editUserAppsBtn_clicked();
     void refreshScreenNative();
     void on_g2048LaunchBtn_clicked();
     void showToastNative(QString messageToDisplay);
+    bool parseJson();
+    void showUserApps(bool showDisabledJson);
+    void updateJsonFileSlot(QJsonDocument jsonDocument);
+    void showFailedToParseMainUserAppsJsonFile();
 
 private:
     Ui::apps *ui;
@@ -41,9 +48,18 @@ private:
     koboxAppsDialog *koboxAppsDialogWindow;
     generalDialog *generalDialogWindow;
 
+    QFile jsonFile;
+    QJsonDocument jsonDocument;
+    bool jsonParseSuccess = false;
+    bool userAppsSecondPage = false;
+    bool userAppsAvailable = false;
+
 signals:
     void refreshScreen();
     void showToast(QString messageToDisplay);
+    void updateJsonFileSignal(QJsonDocument jsonDocument);
+    void clearAppsLayout();
+    void showUserAppsEdit(bool show);
 };
 
 #endif // APPS_H

apps.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
+    <width>430</width>
-    <height>321</height>
+    <height>544</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -28,12 +28,469 @@
    </property>
    <item>
     <layout class="QGridLayout" name="gridLayout">
-     <item row="4" column="0">
+     <property name="topMargin">
-      <layout class="QGridLayout" name="gridLayout_2">
+      <number>0</number>
-       <property name="bottomMargin">
+     </property>
+     <item row="5" column="0">
+      <widget class="QScrollArea" name="scrollArea">
+       <property name="frameShape">
+        <enum>QFrame::NoFrame</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Plain</enum>
+       </property>
+       <property name="lineWidth">
         <number>0</number>
        </property>
-      </layout>
+       <property name="horizontalScrollBarPolicy">
+        <enum>Qt::ScrollBarAlwaysOff</enum>
+       </property>
+       <property name="widgetResizable">
+        <bool>true</bool>
+       </property>
+       <widget class="QWidget" name="scrollAreaWidgetContents">
+        <property name="geometry">
+         <rect>
+          <x>0</x>
+          <y>-30</y>
+          <width>407</width>
+          <height>541</height>
+         </rect>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout_2">
+         <property name="spacing">
+          <number>6</number>
+         </property>
+         <property name="leftMargin">
+          <number>0</number>
+         </property>
+         <property name="topMargin">
+          <number>0</number>
+         </property>
+         <property name="rightMargin">
+          <number>0</number>
+         </property>
+         <property name="bottomMargin">
+          <number>0</number>
+         </property>
+         <item>
+          <layout class="QGridLayout" name="gridLayout_3">
+           <property name="topMargin">
+            <number>8</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
+            <number>15</number>
+           </property>
+           <property name="verticalSpacing">
+            <number>10</number>
+           </property>
+           <item row="3" column="0">
+            <widget class="QLabel" name="label_5">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>KoBox apps</string>
+             </property>
+            </widget>
+           </item>
+           <item row="12" column="0">
+            <widget class="QLabel" name="vncViewerLabel">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>VNC viewer</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="1">
+            <widget class="QPushButton" name="scribbleLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <italic>false</italic>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="9" column="0">
+            <widget class="QLabel" name="label_3">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Saved words</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="0">
+            <widget class="QLabel" name="scribbleLabel">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Scribble</string>
+             </property>
+            </widget>
+           </item>
+           <item row="10" column="0">
+            <widget class="QLabel" name="label_4">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Calculator</string>
+             </property>
+            </widget>
+           </item>
+           <item row="8" column="1">
+            <widget class="QPushButton" name="calendarLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1">
+            <widget class="QPushButton" name="koboxAppsOpenButton">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Open</string>
+             </property>
+            </widget>
+           </item>
+           <item row="11" column="0">
+            <widget class="QLabel" name="label_2">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Light Maps</string>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="0">
+            <widget class="QLabel" name="reversiLabel">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Reversi</string>
+             </property>
+            </widget>
+           </item>
+           <item row="6" column="1">
+            <widget class="QPushButton" name="reversiLaunchBtn">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="9" column="1">
+            <widget class="QPushButton" name="savedWordsLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="10" column="1">
+            <widget class="QPushButton" name="calculatorLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="7" column="0">
+            <widget class="QLabel" name="g2048Label">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>2048</string>
+             </property>
+            </widget>
+           </item>
+           <item row="7" column="1">
+            <widget class="QPushButton" name="g2048LaunchBtn">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="12" column="1">
+            <widget class="QPushButton" name="vncLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="11" column="1">
+            <widget class="QPushButton" name="lightmapsLaunchBtn">
+             <property name="font">
+              <font>
+               <family>Inter</family>
+               <weight>75</weight>
+               <italic>false</italic>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Launch</string>
+             </property>
+            </widget>
+           </item>
+           <item row="8" column="0">
+            <widget class="QLabel" name="calendarLabel">
+             <property name="font">
+              <font>
+               <weight>75</weight>
+               <bold>true</bold>
+              </font>
+             </property>
+             <property name="text">
+              <string>Calendar</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item>
+          <widget class="Line" name="line_3">
+           <property name="frameShadow">
+            <enum>QFrame::Plain</enum>
+           </property>
+           <property name="lineWidth">
+            <number>3</number>
+           </property>
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="horizontalLayout">
+           <property name="spacing">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>5</number>
+           </property>
+           <property name="bottomMargin">
+            <number>5</number>
+           </property>
+           <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>
+           <item>
+            <layout class="QGridLayout" name="gridLayout_2">
+             <property name="leftMargin">
+              <number>10</number>
+             </property>
+             <property name="rightMargin">
+              <number>10</number>
+             </property>
+             <item row="0" column="0">
+              <widget class="QLabel" name="label_6">
+               <property name="font">
+                <font>
+                 <weight>75</weight>
+                 <bold>true</bold>
+                </font>
+               </property>
+               <property name="text">
+                <string>User apps</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignCenter</set>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_3">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeType">
+              <enum>QSizePolicy::Fixed</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>10</width>
+               <height>0</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <widget class="QPushButton" name="editUserAppsBtn">
+             <property name="text">
+              <string/>
+             </property>
+            </widget>
+           </item>
+           <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>
+          </layout>
+         </item>
+         <item>
+          <widget class="Line" name="line_2">
+           <property name="frameShadow">
+            <enum>QFrame::Plain</enum>
+           </property>
+           <property name="lineWidth">
+            <number>3</number>
+           </property>
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QGridLayout" name="gridLayout_4">
+           <property name="topMargin">
+            <number>12</number>
+           </property>
+          </layout>
+         </item>
+         <item>
+          <layout class="QVBoxLayout" name="verticalLayout_4"/>
+         </item>
+         <item>
+          <widget class="QLabel" name="noUserAppsAvailableLabel">
+           <property name="font">
+            <font>
+             <family>Chivo</family>
+            </font>
+           </property>
+           <property name="text">
+            <string>
+No user apps currently available</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="verticalSpacer">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeType">
+            <enum>QSizePolicy::MinimumExpanding</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>0</width>
+             <height>0</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </widget>
+      </widget>
      </item>
      <item row="0" column="0">
       <widget class="QLabel" name="label">
@@ -44,276 +501,13 @@
         </font>
        </property>
        <property name="text">
-        <string>Apps</string>
+        <string>Built-in apps</string>
        </property>
        <property name="alignment">
         <set>Qt::AlignCenter</set>
        </property>
       </widget>
      </item>
-     <item row="2" column="0">
-      <layout class="QGridLayout" name="gridLayout_3">
-       <property name="bottomMargin">
-        <number>0</number>
-       </property>
-       <item row="7" column="1">
-        <widget class="QPushButton" name="calculatorLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="5" column="1">
-        <widget class="QPushButton" name="calendarLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="8" column="0">
-        <widget class="QLabel" name="label_2">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Light Maps</string>
-         </property>
-        </widget>
-       </item>
-       <item row="1" column="0">
-        <widget class="QLabel" name="scribbleLabel">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Scribble</string>
-         </property>
-        </widget>
-       </item>
-       <item row="6" column="1">
-        <widget class="QPushButton" name="savedWordsLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="3" column="0">
-        <widget class="QLabel" name="reversiLabel">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Reversi</string>
-         </property>
-        </widget>
-       </item>
-       <item row="6" column="0">
-        <widget class="QLabel" name="label_3">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Saved words</string>
-         </property>
-        </widget>
-       </item>
-       <item row="0" column="0">
-        <widget class="QLabel" name="label_5">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>KoBox apps</string>
-         </property>
-        </widget>
-       </item>
-       <item row="5" column="0">
-        <widget class="QLabel" name="calendarLabel">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Calendar</string>
-         </property>
-        </widget>
-       </item>
-       <item row="8" column="1">
-        <widget class="QPushButton" name="lightmapsLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <italic>false</italic>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="3" column="1">
-        <widget class="QPushButton" name="reversiLaunchBtn">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="9" column="1">
-        <widget class="QPushButton" name="vncLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="0" column="1">
-        <widget class="QPushButton" name="koboxAppsOpenButton">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Open</string>
-         </property>
-        </widget>
-       </item>
-       <item row="7" column="0">
-        <widget class="QLabel" name="label_4">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Calculator</string>
-         </property>
-        </widget>
-       </item>
-       <item row="9" column="0">
-        <widget class="QLabel" name="vncViewerLabel">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>VNC viewer</string>
-         </property>
-        </widget>
-       </item>
-       <item row="1" column="1">
-        <widget class="QPushButton" name="scribbleLaunchBtn">
-         <property name="font">
-          <font>
-           <family>Inter</family>
-           <weight>75</weight>
-           <italic>false</italic>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="4" column="1">
-        <widget class="QPushButton" name="g2048LaunchBtn">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>Launch</string>
-         </property>
-        </widget>
-       </item>
-       <item row="4" column="0">
-        <widget class="QLabel" name="g2048Label">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
-         <property name="text">
-          <string>2048</string>
-         </property>
-        </widget>
-       </item>
-      </layout>
-     </item>
-     <item row="3" column="0">
-      <spacer name="verticalSpacer">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>20</width>
-         <height>40</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
      <item row="1" column="0">
       <widget class="Line" name="line">
        <property name="frameShadow">

eink.qrc

@@ -74,5 +74,7 @@
         <file>resources/clock.png</file>
         <file>resources/eink-square-encfs.qss</file>
         <file>resources/tzlist</file>
+        <file>resources/edit.png</file>
+        <file>resources/save.png</file>
     </qresource>
 </RCC>

functions.h

@@ -13,6 +13,12 @@
 #include <QDebug>
 #include <QRandomGenerator>
 #include <QDateTime>
+#include <QDirIterator>
+#include <QJsonDocument>
+#include <QJsonParseError>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QJsonArray>
 
 #include <stdio.h>
 #include <fcntl.h>
@@ -122,6 +128,13 @@ namespace global {
     namespace logger {
         inline bool status;
     }
+    namespace userApps {
+       inline bool appCompatibilityDialog;
+       inline QString appCompatibilityText;
+       inline bool appCompatibilityLastContinueStatus = true; // This is for RequiredFeatures to show only one dialog if 'Cancel' is clicked.
+       inline bool appInfoDialog;
+       inline bool launchApp;
+    }
     inline QString systemInfoText;
     inline bool forbidOpenSearchDialog;
     inline bool isN705 = false;
@@ -846,6 +859,90 @@ namespace {
             return false;
         }
     }
+    void updateUserAppsMainJsonFile() {
+        QDirIterator appsDir("/mnt/onboard/onboard/.apps", QDirIterator::NoIteratorFlags);
+        QFile newJsonFile = QFile{"/mnt/onboard/onboard/.apps/apps.json"};
+        QJsonDocument newJsonDocument;
+        QJsonArray array;
+
+        while (appsDir.hasNext())
+        {
+            QDir dir(appsDir.next());
+            if(dir.exists() == true) {
+                if(dir.path().split("/").last().contains(".") == false) {
+                    QFile jsonSmall = QFile{dir.path() + "/app.json"};
+                    if(jsonSmall.exists() == true) {
+                        jsonSmall.open(QIODevice::ReadOnly | QIODevice::Text);
+                        QString jsonString = jsonSmall.readAll();
+                        jsonSmall.close();
+
+                        QJsonDocument jsonSmallDoc = QJsonDocument::fromJson(jsonString.toUtf8());
+                        if(jsonSmallDoc["app"].isObject() == true) {
+                            QJsonObject jsonSmallMainObj = jsonSmallDoc["app"].toObject();
+                            array.append(jsonSmallMainObj);
+
+                        }
+                        else {
+                            log("Error: User application '" + appsDir.path() + "''s JSON file descriptor is missing main object 'app'", "main");
+                        }
+
+                    }
+                    else {
+                        QString message = "User application '" + appsDir.path() + "' does not contain any 'app.json' file: ";
+                        message.append(jsonSmall.fileName());
+                        log(message, "main");
+                    }
+                }
+            }
+        }
+        // https://forum.qt.io/topic/104791/how-i-can-create-json-format-in-qt/5
+        QJsonObject root;
+        root["list"] = array;
+        newJsonDocument.setObject(root);
+
+        newJsonFile.open(QFile::WriteOnly | QFile::Text | QFile::Truncate);
+        newJsonFile.write(newJsonDocument.toJson());
+        newJsonFile.flush();
+        newJsonFile.close();
+    }
+    void updateUserAppsSmallJsonFiles() {
+        QFile jsonFile = QFile{"/mnt/onboard/onboard/.apps/apps.json"};
+
+        jsonFile.open(QIODevice::ReadOnly | QIODevice::Text);
+        QString fileRead = jsonFile.readAll();
+        jsonFile.close();
+        QJsonDocument jsonDocument = QJsonDocument::fromJson(fileRead.toUtf8());
+
+        if(jsonDocument["list"].isArray() == true) {
+            QJsonArray jsonArray = jsonDocument["list"].toArray();
+            for(QJsonValueRef refJsonObject: jsonArray) {
+                QJsonObject jsonMainObject = refJsonObject.toObject();
+                QString appName = jsonMainObject["Name"].toString();
+
+                // This needs to be here and not at the beggining of this function because it is an iterator
+                QDirIterator appsDir("/mnt/onboard/onboard/.apps", QDirIterator::NoIteratorFlags);
+                while (appsDir.hasNext()) {
+                    QDir dir(appsDir.next());
+                    if(dir.exists() == true) {
+                        if(dir.path().split("/").last().toLower().contains(appName.toLower()) == true) {
+                            QJsonObject root;
+                            root["app"] = refJsonObject.toObject();;
+                            QJsonDocument newJsonDocument;
+                            newJsonDocument.setObject(root);
+
+                            QFile newSmallJson = QFile{dir.path() + "/" + "app.json"};
+
+                            newSmallJson.open(QIODevice::ReadWrite);
+                            QTextStream stream(&newSmallJson);
+                            stream << newJsonDocument.toJson() << Qt::endl;
+                            newSmallJson.flush();
+                            newSmallJson.close();
+                        }
+                    }
+                }
+            }
+        }
+    }
 }
 
 #endif // FUNCTIONS_H

generaldialog.cpp

@@ -13,6 +13,7 @@
 #include <QStringListModel>
 #include <QListView>
 #include <QDateTime>
+#include <QTextEdit>
 
 generalDialog::generalDialog(QWidget *parent) :
     QDialog(parent),
@@ -131,6 +132,7 @@ generalDialog::generalDialog(QWidget *parent) :
     }
     else if(global::usbms::usbmsDialog == true) {
         usbmsDialog = true;
+        ui->stackedWidget->setCurrentIndex(0);
         ui->okBtn->setText("Connect");
         ui->cancelBtn->setText("Not now");
         ui->bodyLabel->setText("<font face='u001'>Do you want to connect your device to a computer to manage books</font><font face='Inter'>?</font>");
@@ -187,9 +189,29 @@ generalDialog::generalDialog(QWidget *parent) :
         ui->bodyLabel->setText("<font face='u001'>New files have been found in 'encfs-dropbox'. Would you want to repack your encrypted storage</font><font face='Inter'>?</font>");
         QTimer::singleShot(50, this, SLOT(adjust_size()));
     }
+    else if(global::userApps::appCompatibilityDialog == true) {
+            appCompatibilityDialog = true;
+            global::userApps::appCompatibilityLastContinueStatus = true;
+            ui->okBtn->setText("Continue");
+            ui->cancelBtn->setText("Cancel");
+            ui->bodyLabel->setText(global::userApps::appCompatibilityText);
+            ui->headerLabel->setText("Compatibility warning");
+            QTimer::singleShot(50, this, SLOT(adjust_size()));
+    }
+    else if(global::userApps::appInfoDialog == true) {
+        appInfoDialog = true;
+        textwidgetWindow = new textwidget();
+
+        ui->headerLabel->setText("App info");
+        ui->stackedWidget->setCurrentIndex(1);
+        ui->mainStackedWidget->insertWidget(1, textwidgetWindow);
+        ui->mainStackedWidget->setCurrentIndex(1);
+        yIncrease = 1.8;
+        QTimer::singleShot(50, this, SLOT(increaseSize()));
+    }
     else {
         // We shouldn't be there ;)
-        ;
+        log("Launched without settings", className);
     }
 
     // Centering dialog
@@ -248,6 +270,12 @@ void generalDialog::on_cancelBtn_clicked()
         else if(global::encfs::repackDialog == true) {
             global::encfs::repackDialog = false;
         }
+        else if(global::userApps::appCompatibilityDialog == true) {
+            global::userApps::launchApp = false;
+            global::userApps::appCompatibilityLastContinueStatus = false;
+            global::userApps::appCompatibilityText = "";
+            global::userApps::appCompatibilityDialog = false;
+        }
         generalDialog::close();
     }
 }
@@ -507,6 +535,13 @@ void generalDialog::on_okBtn_clicked()
         string_writeconfig("/external_root/run/encfs_repack", "true");
         quit_restart();
     }
+    else if(global::userApps::appCompatibilityDialog == true) {
+       global::userApps::launchApp = true;
+       global::userApps::appCompatibilityText = "";
+       global::userApps::appCompatibilityLastContinueStatus = true; // Not really necceserry, only if something fails horibly
+       global::userApps::appCompatibilityDialog = false;
+       generalDialog::close();
+    }
 }
 void generalDialog::on_acceptBtn_clicked()
 {
@@ -533,6 +568,11 @@ void generalDialog::on_acceptBtn_clicked()
         global::text::textBrowserDialog = false;
     }
 
+    if(appInfoDialog == true) {
+        global::text::textBrowserContents = "";
+        global::userApps::appInfoDialog = false;
+    }
+
     // We don't have any other option ;p
     generalDialog::close();
 }
@@ -552,6 +592,7 @@ void generalDialog::restartSearchDialog() {
 }
 
 void generalDialog::setupKeyboardDialog() {
+    ui->stackedWidget->setCurrentIndex(0);
     keyboardDialog = true;
     ui->stackedWidget->setVisible(true);
     if(global::keyboard::searchDialog == true) {
@@ -732,3 +773,25 @@ void generalDialog::waitForGutenbergSearchDone() {
         }
     }
 }
+
+void generalDialog::increaseSize()
+{
+    log("Resizing generalDialog", className);
+
+    ui->topStackedWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+    ui->mainStackedWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
+    ui->stackedWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+    QRect screenGeometry = QGuiApplication::screens()[0]->geometry();
+    int wx = screenGeometry.width();
+
+    int x = wx - 25;
+    int y = this->height() * yIncrease;
+    this->setFixedWidth(x);
+    this->setFixedHeight(y);
+
+    ui->bodyLabel->sizePolicy().setVerticalPolicy(QSizePolicy::Expanding);
+    ui->bodyLabel->sizePolicy().setHorizontalPolicy(QSizePolicy::Expanding);
+
+    adjust_size();
+}

generaldialog.h

@@ -32,6 +32,8 @@ public:
     bool lowBatteryDialog = false;
     bool usbmsDialog = false;
     bool textBrowserDialog = false;
+    bool appCompatibilityDialog = false;
+    bool appInfoDialog = false;
     bool resetKoboxDialog = false;
     bool keyboardDialog = false;
     bool keypadDialog = false;
@@ -49,6 +51,10 @@ public:
     QString wifiPassphrase;
     void setupKeyboardDialog();
     void startVNC(QString server, QString password, QString port);
+    float yIncrease;
+
+public slots:
+    void increaseSize();
 
 private slots:
     void on_cancelBtn_clicked();

inkbox.pro

@@ -48,6 +48,7 @@ SOURCES += \
     textwidget.cpp \
     toast.cpp \
     usbms_splash.cpp \
+    userapps.cpp \
     virtualkeyboard.cpp \
     virtualkeypad.cpp \
     wifidialog.cpp
@@ -77,6 +78,7 @@ HEADERS += \
     textwidget.h \
     toast.h \
     usbms_splash.h \
+    userapps.h \
     virtualkeyboard.h \
     virtualkeypad.h \
     wifidialog.h
@@ -105,6 +107,7 @@ FORMS += \
     textwidget.ui \
     toast.ui \
     usbms_splash.ui \
+    userapps.ui \
     virtualkeyboard.ui \
     virtualkeypad.ui \
     wifidialog.ui

main.cpp

@@ -38,6 +38,9 @@ int main(int argc, char *argv[])
     global::deviceID = readFile("/opt/inkbox_device");
     log("Running on device " + global::deviceID, "main", true);
 
+    // Tell the OS that we're currently running
+    string_writeconfig("/tmp/inkbox_running", "true");
+
     setDefaultWorkDir();
     if(checkconfig("/run/wifi_able") == true) {
         log("Device has Wi-Fi capabilities", "main");
@@ -47,6 +50,31 @@ int main(int argc, char *argv[])
         log("Device does not have Wi-Fi capabilities", "main");
         global::device::isWifiAble = false;
     }
+
+    if(QFile::exists("/tmp/rescan_userapps")) {
+        QFile::remove("/tmp/rescan_userapps");
+        log("Re-scanning user applications from explicit request", "main");
+        string_writeconfig("/opt/ibxd", "gui_apps_stop\n");
+        QThread::msleep(1000);
+        string_writeconfig("/opt/ibxd", "gui_apps_start\n");
+        while(true) {
+            if(QFile::exists("/tmp/gui_apps_started")) {
+                if(checkconfig("/tmp/gui_apps_started") == true) {
+                    log("GUI apps service started successfully", "main");
+                    QFile::remove("/tmp/gui_apps_started");
+                    updateUserAppsMainJsonFile();
+                    break;
+                }
+                else {
+                    log("GUI apps service failed to start", "main");
+                    QFile::remove("/tmp/gui_apps_started");
+                    break;
+                }
+            }
+        }
+        updateUserAppsMainJsonFile();
+    }
+
     if(checkconfig(".config/18-encrypted_storage/status") == true and checkconfig("/external_root/run/encfs_mounted") == false) {
         // Open Encryption Manager to unlock encrypted storage
         QApplication a(argc, argv);
@@ -66,9 +94,6 @@ int main(int argc, char *argv[])
         return a.exec();
     }
     else {
-        // Tell scripts that we're currently running
-        string_writeconfig("/tmp/inkbox_running", "true");
-
         // Variables
         global::reader::startBatteryWatchdog = false;
         global::reader::startUsbmsPrompt = false;

quit.cpp

@@ -51,6 +51,9 @@ void quit::on_pushButton_clicked()
     global::battery::showCriticalBatteryAlert = false;
     global::battery::showLowBatteryDialog = false;
 
+    // GUI apps
+    updateUserAppsMainJsonFile();
+
     poweroff(true);
     qApp->quit();
 }
@@ -60,6 +63,9 @@ void quit::on_pushButton_2_clicked()
     global::battery::showCriticalBatteryAlert = false;
     global::battery::showLowBatteryDialog = false;
 
+    // GUI apps
+    updateUserAppsMainJsonFile();
+
     reboot(true);
     qApp->quit();
 }

settings.cpp

@@ -822,6 +822,10 @@ void settings::on_showSystemInfoBtn_clicked()
     // Show a system info dialog
     log("Showing system info dialog", className);
     generalDialogWindow = new generalDialog();
+    if(global::deviceID == "n306\n") {
+        generalDialogWindow->yIncrease = 2.6;
+    }
+    generalDialogWindow->increaseSize();
     generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
 }
 

usbms_splash.cpp

@@ -85,6 +85,9 @@ void usbms_splash::usbms_launch()
     string_writeconfig("/opt/ibxd", "usbnet_stop\n");
     QThread::msleep(1000);
 
+    string_writeconfig("/opt/ibxd", "gui_apps_stop\n");
+    QThread::msleep(1000);
+
     if(global::deviceID == "n306\n" or global::deviceID == "n873\n") {
         QProcess::execute("insmod", QStringList() << "/external_root/lib/modules/fs/configfs/configfs.ko");
         QProcess::execute("insmod", QStringList() << "/external_root/lib/modules/drivers/usb/gadget/libcomposite.ko");
@@ -197,6 +200,22 @@ void usbms_splash::restartServices() {
     string_writeconfig("/opt/ibxd", "update_inkbox_restart\n");
     QThread::msleep(2500);
     string_writeconfig("/tmp/in_usbms", "false");
+    // GUI apps: update main JSON file
+    string_writeconfig("/opt/ibxd", "gui_apps_start\n");
+    while(true) {
+        if(QFile::exists("/tmp/gui_apps_started")) {
+            if(checkconfig("/tmp/gui_apps_started") == true) {
+                QFile::remove("/tmp/gui_apps_started");
+                updateUserAppsMainJsonFile();
+                break;
+            }
+            else {
+                log("GUI apps service failed to start", className);
+                QFile::remove("/tmp/gui_apps_started");
+                break;
+            }
+        }
+    }
 
     quit_restart();
 }

userapps.cpp

@@ -0,0 +1,274 @@
+#include "userapps.h"
+#include "ui_userapps.h"
+#include "mainwindow.h"
+#include "generaldialog.h"
+
+userapps::userapps(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::userapps)
+{
+    ui->setupUi(this);
+    ui->launchBtn->setProperty("type", "borderless");
+    ui->launchBtn->setStyleSheet("background: lightGrey; font-size: 9pt; padding: 8px");
+
+    ui->launchBtn->setProperty("type", "borderless");
+
+    ui->iconBtn->setProperty("type", "borderless");
+    ui->iconBtn->setStyleSheet("QPushButton[type='borderless']:pressed { background: white; color: white; border: none; }");
+
+    ui->infoBtn->setProperty("type", "borderless");
+    ui->statusBtn->setProperty("type", "borderless");
+    ui->statusBtn->setStyleSheet("background: lightGrey; font-size: 9pt; padding: 8px");
+}
+
+userapps::~userapps()
+{
+    delete ui;
+}
+
+void userapps::provideInfo(QJsonObject jsonInfo)
+{
+    QString name = jsonInfo["Name"].toString();
+    appName = name; // It is for searching for json entry while disabling / enabling
+    jsonObject = jsonInfo;
+    // Limit name size to avoid breaking the GUI
+    if(name.size() > 20) {
+        // If someone wants to break the GUI, they will do it ¯\^-^/¯
+        name.remove(16, 100);
+    }
+    ui->appNameLabel->setText(name);
+
+    appDir.setPath("/mnt/onboard/onboard/.apps/" + name + "/" + name);
+
+    QFile iconPath = QFile{appDir.path() + "/" + jsonInfo["IconPath"].toString()};
+    if(iconPath.exists() == true) {
+        QIcon appIcon = QIcon(iconPath.fileName());
+        ui->iconBtn->setIconSize(QSize(40, 40));
+        ui->iconBtn->setIcon(appIcon);
+    }
+    else {
+        QString function = __func__;
+        QString message = ": Warning: Icon not found: ";
+        message.append(iconPath.fileName());
+        log(function + message, className);
+        ui->iconBtn->deleteLater();
+        ui->gridLayout->deleteLater();
+    }
+
+    execPath.setFileName(jsonInfo["ExecPath"].toString());
+
+    userAppEnabled = jsonInfo["Enabled"].toBool();
+    if(userAppEnabled == true) {
+        ui->statusBtn->setText("Disable");
+    }
+    else {
+        ui->statusBtn->setText("Enable");
+    }
+}
+
+// This function is needed when we dont want to repaint all widgets, but only change the the page (when no changes to the main JSON file were applied)
+void userapps::changePageEnabling(bool SecondPage)
+{
+    if(SecondPage == true){
+        ui->stackedWidget->setCurrentIndex(1);
+    }
+    else {
+        ui->stackedWidget->setCurrentIndex(0);
+    }
+}
+
+void userapps::on_infoBtn_clicked()
+{
+    log("Launching user application information dialog", className);
+    // https://stackoverflow.com/questions/28181627/how-to-convert-a-qjsonobject-to-qstring
+    QString jsonStringParsed = parseJsonShow(jsonObject);
+    global::text::textBrowserContents = jsonStringParsed;
+
+    global::userApps::appInfoDialog = true;
+    generalDialogWindow = new generalDialog();
+    generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
+    generalDialogWindow->show();
+}
+
+void userapps::on_statusBtn_clicked()
+{
+    ui->statusBtn->setEnabled(false);
+
+    // Here the text on this button is used as a boolean; no need to create a new one
+    // Disable and Enable
+    if(userAppEnabled == false) {
+        userAppEnabled = true;
+        ui->statusBtn->setText("Disable");
+    }
+    else {
+        userAppEnabled = false;
+        ui->statusBtn->setText("Enable");
+    }
+
+    QJsonObject jsonRootObject = jsonDocument.object();
+    QJsonArray jsonArrayList = jsonRootObject["list"].toArray();
+
+    int arraySize = jsonArrayList.size();
+
+    for(int i = 0; i < arraySize; i++) {
+        QJsonObject jsonObject = jsonArrayList.at(i).toObject();
+        QString entryName = jsonObject["Name"].toString();
+
+        if(entryName == appName) {
+            jsonObject.insert("Enabled", QJsonValue(userAppEnabled));
+
+            QJsonArray sonArrayListNew = jsonDocument.object()["list"].toArray();
+            sonArrayListNew.replace(i, jsonObject);
+
+            jsonRootObject["list"] = sonArrayListNew;
+
+            jsonDocument.setObject(jsonRootObject);
+            emit updateJsonFileSignalUA(jsonDocument);
+        }
+    }
+    ui->statusBtn->setEnabled(true);
+}
+
+void userapps::updateJsonFileSlotUA(QJsonDocument jsonDocumentProvided)
+{
+    jsonDocument = jsonDocumentProvided;
+}
+
+void userapps::on_launchBtn_clicked()
+{
+    // Some command to execute script or binary at "ExecPath"
+    QJsonArray supportedDevices = jsonObject["SupportedDevices"].toArray();
+
+    // This will work even if we are looking for 'n306' and there is a device named 'n306b' because QJsonArray::contains() works that way
+    if(supportedDevices.contains("all") == false and supportedDevices.contains(global::deviceID.trimmed()) == false) {
+        log("Warning: User application '" + appName + "' does not support this device", className);
+        global::userApps::appCompatibilityDialog = true;
+        global::userApps::appCompatibilityText = "<font face='u001'>Your device is not compatible with this app.<br>Continue anyway</font><font face='Inter'>?</font>";
+        generalDialogWindow = new generalDialog();
+        generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
+
+        generalDialogWindow->exec();
+    }
+    else {
+        global::userApps::launchApp = true;
+    }
+
+    if(manageRequiredFeatures() == true) {
+        if(global::userApps::launchApp == true) {
+            global::userApps::launchApp = false;
+            QString message = "Launching user application at: ";
+            message.append("[" + appDir.path() + "]" + execPath.fileName());
+            log(message, className);
+            // Tell the OS that we're not running anymore
+            string_writeconfig("/tmp/inkbox_running", "false");
+
+            QProcess process;
+            QStringList args;
+            args << appDir.path() << execPath.fileName();
+            process.startDetached("launch_user_application.sh", args);
+            qApp->quit();
+        }
+    }
+}
+
+bool userapps::manageRequiredFeatures()
+{
+    // This should be already set to 'true', but just in case
+    global::userApps::appCompatibilityLastContinueStatus = true;
+    QJsonArray jsonArray = jsonObject["RequiredFeatures"].toArray();
+    for(QJsonValueRef refJsonObject: jsonArray) {
+        bool launchDialog = false;
+        int featureId = refJsonObject.toInt();
+        // Wi-Fi connection required
+        if(featureId == 0) {
+            // Double 'if' conditions to avoid launching unnecesery testPing() in emu
+            if(global::deviceID != "emu\n") {
+                if(testPing(true) != 0) {
+                    global::userApps::appCompatibilityText = "<font face='u001'>This app needs a Wi-Fi connection, continue anyway</font><font face='Inter'>?</font>";
+                    launchDialog = true;
+                }
+            }
+        }
+        // Rooted kernel required
+        if(featureId == 1) {
+            if(checkconfig("/external_root/opt/root/rooted") == true) {
+                global::userApps::appCompatibilityText = "<font face='u001'>This app needs a rooted kernel, continue anyway</font><font face='Inter'>?</font>";
+                launchDialog = true;
+            }
+        }
+        // Pseudoterminal support (ID: 2) is managed by the 'gui_apps' service (https://github.com/Kobo-InkBox/rootfs/blob/master/etc/init.d/gui_apps)
+
+        if(launchDialog == true) {
+            global::userApps::appCompatibilityDialog = true;
+            generalDialogWindow = new generalDialog();
+            generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
+            generalDialogWindow->exec();
+        }
+
+        if(global::userApps::appCompatibilityLastContinueStatus == false) {
+            return false;
+        }
+    }
+    return true;
+}
+
+QString userapps::parseJsonShow(QJsonObject json)
+{
+    QString mainString;
+    foreach(const QString& key, json.keys()) {
+        QJsonValue value = json.value(key);
+
+        QString appendString;
+
+        appendString.append("<b>");
+        appendString.append(key);
+        appendString.append("</b>: ");
+
+        if(value.isString()) {
+            appendString.append(value.toString());
+        }
+        else if(value.isBool()) {
+            appendString.append(QVariant(value.toBool()).toString());
+        }
+        else if(value.isArray()) {
+            QJsonArray array = value.toArray();
+            if(key == "RequiredFeatures") {
+                bool foundRequiredFeature = false;
+                appendString.append("None");
+
+                for(QJsonValueRef ref: array) {
+                    foundRequiredFeature = true;
+                    appendString.remove(appendString.size() - 4, 4);
+                    int id = ref.toInt();
+                    if(id == 0) {
+                        appendString.append("Wi-Fi connection");
+                    }
+                    else if(id == 1) {
+                        appendString.append("Rooted kernel");
+                    }
+                    else if(id == 2) {
+                        appendString.append("Pseudoterminal support");
+                    }
+                    appendString.append(", ");
+                }
+
+                if(foundRequiredFeature == true) {
+                    appendString.remove(appendString.size() - 2, 2);
+                }
+            }
+            else if(key == "SupportedDevices") {
+                for(QJsonValueRef ref: array) {
+                    QString name = ref.toString();
+                    appendString.append(name);
+                    appendString.append(", ");
+                }
+                appendString.remove(appendString.size() - 2, 2);
+            }
+
+        }
+        appendString.append("<br>");
+        mainString.append(appendString);
+    }
+
+    return mainString;
+}

userapps.h

@@ -0,0 +1,58 @@
+#ifndef USERAPPS_H
+#define USERAPPS_H
+
+#include "generaldialog.h"
+
+#include <QWidget>
+#include <QJsonDocument>
+#include <QJsonParseError>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QJsonArray>
+#include <QDir>
+#include <QFile>
+
+namespace Ui {
+    class userapps;
+}
+
+class userapps : public QWidget
+{
+    Q_OBJECT
+
+public:
+    QString className = this->metaObject()->className();
+    explicit userapps(QWidget * parent = nullptr);
+    ~userapps();
+    QJsonDocument jsonDocument; // TODO: Optimize for RAM usage
+    QJsonObject jsonObject; // Needed for 'App info' button
+    QString jsonFilePath;
+
+signals:
+    // This is needed, because user application have their own JSON file. If the user changes it too fast it won't read it and overwrite previous changes
+    void updateJsonFileSignalUA(QJsonDocument jsonDocument);
+
+
+public slots:
+    void provideInfo(QJsonObject jsonObject);
+    void changePageEnabling(bool goThere);
+    void updateJsonFileSlotUA(QJsonDocument jsonDocument);
+    bool manageRequiredFeatures();
+    QString parseJsonShow(QJsonObject json);
+
+private slots:
+    void on_infoBtn_clicked();
+    void on_statusBtn_clicked();
+    void on_launchBtn_clicked();
+
+private:
+    Ui::userapps * ui;
+    generalDialog * generalDialogWindow;
+
+    QDir appDir;
+    QFile execPath;
+    bool userAppEnabled;
+    QString appName;
+};
+
+#endif // USERAPPS_H

userapps.ui

@@ -0,0 +1,215 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>userapps</class>
+ <widget class="QWidget" name="userapps">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>461</width>
+    <height>79</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_4">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <item row="1" column="1">
+    <widget class="QStackedWidget" name="stackedWidget">
+     <property name="lineWidth">
+      <number>0</number>
+     </property>
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="pageLaunch">
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <property name="spacing">
+        <number>0</number>
+       </property>
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QPushButton" name="launchBtn">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="font">
+          <font>
+           <weight>75</weight>
+           <bold>true</bold>
+          </font>
+         </property>
+         <property name="text">
+          <string>Launch</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="page_2Edit">
+      <layout class="QHBoxLayout" name="horizontalLayout_2">
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QPushButton" name="infoBtn">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="icon">
+          <iconset resource="eink.qrc">
+           <normaloff>:/resources/info.png</normaloff>:/resources/info.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>34</width>
+           <height>34</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="statusBtn">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="font">
+          <font>
+           <weight>75</weight>
+           <bold>true</bold>
+          </font>
+         </property>
+         <property name="text">
+          <string>Disable</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <layout class="QGridLayout" name="gridLayout">
+       <property name="leftMargin">
+        <number>5</number>
+       </property>
+       <property name="rightMargin">
+        <number>5</number>
+       </property>
+       <item row="0" column="0">
+        <widget class="QPushButton" name="iconBtn">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>40</width>
+           <height>40</height>
+          </size>
+         </property>
+         <property name="text">
+          <string notr="true"/>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QLabel" name="appNameLabel">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="font">
+        <font>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="lineWidth">
+        <number>0</number>
+       </property>
+       <property name="text">
+        <string>AppName</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Expanding</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>13</width>
+         <height>13</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="eink.qrc"/>
+ </resources>
+ <connections/>
+</ui>