Merge pull request #12 from Lukas-Heiligenbrunner/GUI

Gui

CMakeLists.txt

@@ -19,7 +19,8 @@ SET(LIB_METHOD STATIC) #SHARED / STATIC
 option(BUILD_DOC "Build documentation" ON) # additional dependency for Doxygen
 option(PACKAGING "Allow Packaging to <exe>, <deb> or <rpm>" ON) # additional dependencies for RPMbuild,dpkg  or NSIS
 option(TESTS "Build Tests" ON) # additional dependencies for GTEST - to build tests
-option(WinBuild "cross compile for Windows Platform" OFF)
+option(GUI "Build GUI elements" ON) # additional dependencies to QT libraries needed
+option(WinBuild "cross compile for Windows Platform" ON)
 
 # helper variables
 SET(CMAKE_CXX_STANDARD 17)
@@ -112,6 +113,10 @@ if (${WinBuild})
     message(STATUS "Using LIBCONFIG++ include dir(s): ${LIBCONFIG++_INCLUDE_DIRS}")
     message(STATUS "Using LIBCONFIG++ lib(s): ${LIBCONFIG++_LIBRARIES}")
 
+    if (${GUI})
+        set(CMAKE_PREFIX_PATH "/usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/lib/cmake")
+    endif ()
+
     include_directories(${LIBCONFIG++_INCLUDE_DIRS})
 else ()
     find_package(CURL REQUIRED)
@@ -144,6 +149,16 @@ else ()
     include_directories(${LIBCONFIG_INCLUDE_DIRS})
 endif ()
 
+
+if (${GUI})
+    set(CMAKE_AUTOMOC ON)
+    set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+    find_package(Qt5Widgets REQUIRED)
+    find_package(Qt5PrintSupport REQUIRED)
+    find_package(Qt5Sql REQUIRED)
+endif ()
+
 include_directories(inc)
 
 message("")
@@ -192,34 +207,112 @@ add_executable(${Application_Name} src/main.cpp)
 # LINK generated LIBS #
 target_link_libraries(${Application_Name} libdynuiprefresher api ${CURL_LIBRARIES} ${LIBCONFIG++_LIBRARIES})
 
+if (${GUI})
+    set(QT5_LIBRARIES Qt5::Widgets Qt5::PrintSupport Qt5::Sql)
+
+    set(UI_SOURCES
+            src/gui/mainwindow.ui
+            )
+
+    #
+    # Generate necessary headers from .ui files. (qmake lets `uic` do this job.)
+    # hint from [Cross-platform Qt5 project using cmake](http://stackoverflow.com/questions/21174586/cross-platform-qt5-project-using-cmake)
+    #
+    qt5_wrap_ui(UI_GENERATED_HEADERS ${UI_SOURCES})
+
+    add_executable(${Application_Name}-gui
+            src/maingui.cpp
+            src/gui/MainWindow.cpp
+            inc/gui/MainWindow.h
+            ${UI_GENERATED_HEADERS})
+
+    if (${WinBuild})
+        # hide console window when starting ui on windows
+        set_target_properties(${Application_Name}-gui PROPERTIES LINK_FLAGS "-mwindows")
+    endif ()
+
+    # LINK generated LIBS #
+    target_link_libraries(${Application_Name}-gui -lpthread libdynuiprefresher api ${CURL_LIBRARIES} ${LIBCONFIG++_LIBRARIES} ${QT5_LIBRARIES})
+endif ()
+
 # setting install targets
 IF (NOT ${WinBuild})
     # INSTALL to Linux SYSTEM #
 
     # install binaries
-    install(TARGETS ${Application_Name} DESTINATION usr/bin)
+    install(
+            TARGETS ${Application_Name}
+            DESTINATION usr/bin
+            COMPONENT ${Application_Name})
     # install systemd service and enable it
-    install(FILES service/${Application_Name}.service DESTINATION lib/systemd/system)
+    install(
+            FILES service/${Application_Name}.service
+            DESTINATION lib/systemd/system
+            COMPONENT ${Application_Name})
+
+    if (${GUI})
+        # install binaries
+        install(
+                TARGETS ${Application_Name}-gui
+                DESTINATION usr/bin
+                COMPONENT ${Application_Name}gui)
+    endif ()
 ELSE ()
     # INSTALL to Windows SYSTEM #
 
     # install binary to current folder
     set_target_properties(${Application_Name} PROPERTIES SUFFIX ".exe")
-    install(TARGETS ${Application_Name} DESTINATION .)
+    install(
+            TARGETS ${Application_Name}
+            DESTINATION .
+            COMPONENT ${Application_Name})
 
     # install .dll dependencies
     # todo check if files exist...
+    SET(LIBBINARYPATH "/usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin")
     install(FILES /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libcurl-4.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libssh2-1.dll
+            ${LIBBINARYPATH}/libssh2-1.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libstdc++-6.dll
+            ${LIBBINARYPATH}/libstdc++-6.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libgcc_s_seh-1.dll
+            ${LIBBINARYPATH}/libgcc_s_seh-1.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libcrypto-1_1-x64.dll
+            ${LIBBINARYPATH}/libcrypto-1_1-x64.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libssl-1_1-x64.dll
+            ${LIBBINARYPATH}/libssl-1_1-x64.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libwinpthread-1.dll
+            ${LIBBINARYPATH}/libwinpthread-1.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/zlib1.dll
+            ${LIBBINARYPATH}/zlib1.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libidn2-0.dll
+            ${LIBBINARYPATH}/libidn2-0.dll
-            /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/bin/libconfig++-11.dll
+            ${LIBBINARYPATH}/libconfig++-11.dll
-            DESTINATION .)
+            DESTINATION .
+            COMPONENT ${Application_Name})
+
+    if (${GUI})
+        # install binaries
+        set_target_properties(${Application_Name}-gui PROPERTIES SUFFIX ".exe")
+        install(
+                TARGETS ${Application_Name}-gui
+                DESTINATION .
+                COMPONENT ${Application_Name}gui)
+
+        # install .dll dependencies
+        install(FILES
+                ${LIBBINARYPATH}/Qt5Widgets.dll
+                ${LIBBINARYPATH}/Qt5Core.dll
+                ${LIBBINARYPATH}/Qt5Gui.dll
+                ${LIBBINARYPATH}/iconv.dll
+                ${LIBBINARYPATH}/libpcre2-16-0.dll
+                ${LIBBINARYPATH}/libpng16-16.dll
+                ${LIBBINARYPATH}/libharfbuzz-0.dll
+                ${LIBBINARYPATH}/libglib-2.0-0.dll
+                ${LIBBINARYPATH}/libintl-8.dll
+                ${LIBBINARYPATH}/libpcre-1.dll
+                ${LIBBINARYPATH}/libbz2-1.dll
+                ${LIBBINARYPATH}/libfreetype-6.dll
+                DESTINATION .
+                COMPONENT ${Application_Name}gui)
+
+        install(FILES
+                /usr/${TOOLCHAIN_PREFIX}/sys-root/mingw/lib/qt5/plugins/platforms/qwindows.dll
+                DESTINATION ./platforms
+                COMPONENT ${Application_Name}gui)
+    endif ()
 ENDIF ()
 
 if (${PACKAGING})
@@ -265,8 +358,19 @@ systemctl start ${Application_Name}.service")
             message(STATUS "found rpm build executeable --> able to build rpm")
             SET(CPACK_GENERATOR "${CPACK_GENERATOR};RPM")
             SET(CPACK_RPM_POST_INSTALL_SCRIPT_FILE "${CMAKE_CURRENT_SOURCE_DIR}/postinst")
-            SET(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION "/lib/systemd/system" "/lib/systemd" "/lib" "/usr/local/bin" "/usr/local") # --> needed to not override existing folders
+            SET(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION
+                    "/lib/systemd/system"
+                    "/lib/systemd"
+                    "/lib"
+                    "/usr/local/bin"
+                    "/usr/local") # --> not override existing folders
+
+            # dependency management tested with fedora!
             set(CPACK_RPM_PACKAGE_REQUIRES "libcurl,libconfig")
+            if (${GUI})
+                # append rpm GUI dependencies (qt5)
+                set(CPACK_RPM_PACKAGE_REQUIRES "${CPACK_RPM_PACKAGE_REQUIRES},qt5-qtbase")
+            endif ()
         else (NOT ${RPMBUILD_EXECUTABLE} STREQUAL "RPMBUILD_EXECUTABLE-NOTFOUND")
             message(STATUS "not found rpm build tools --> not building rpm")
         endif (NOT ${RPMBUILD_EXECUTABLE} STREQUAL "RPMBUILD_EXECUTABLE-NOTFOUND")
@@ -276,7 +380,13 @@ systemctl start ${Application_Name}.service")
             message(STATUS "found deb build tools --> able to build deb")
             SET(CPACK_GENERATOR "${CPACK_GENERATOR};DEB") # add deb generator
             set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_CURRENT_SOURCE_DIR}/postinst") # set post inst file
+
+            # dependency management tested with fedora!
             set(CPACK_DEBIAN_PACKAGE_DEPENDS "libcurl4,libconfig++9v5") # add debian dependencies
+            if (${GUI})
+                # append debian GUI dependencies (qt5)
+                set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS},qt5-default")
+            endif ()
         else (NOT ${DEB_EXECUTABLE} STREQUAL "DEB_EXECUTABLE-NOTFOUND")
             message(STATUS "not found  deb build tools --> not building deb")
         endif (NOT ${DEB_EXECUTABLE} STREQUAL "DEB_EXECUTABLE-NOTFOUND")
@@ -291,9 +401,37 @@ systemctl start ${Application_Name}.service")
         set(CPACK_GENERATOR NSIS)
         message(STATUS "Using NSIS Package build.")
 
-        set(CPACK_NSIS_testcomp_INSTALL_DIRECTORY /)
+        set(CPACK_NSIS_EXECUTABLES_DIRECTORY "DynuIpRefresher")
         set(CPACK_PACKAGE_INSTALL_DIRECTORY "DynuIpRefresher")
         SET(CPACK_NSIS_MODIFY_PATH ON)
+        set(CPACK_NSIS_MENU_LINKS
+                "${Application_Name}.exe" "DynuIpRefresher Console"
+                "${Application_Name}-gui.exe" "DynuIpRefresher GUI")
+
+        # varnames need uppercase strings
+        string(TOUPPER ${Application_Name} APPLICATION_NAME_UPPER)
+        # Define components and their display names
+        set (CPACK_COMPONENTS_ALL ${Application_Name} ${Application_Name}gui)
+        set (CPACK_COMPONENT_${APPLICATION_NAME_UPPER}_DISPLAY_NAME "Dynu IP Refresher Console")
+        set (CPACK_COMPONENT_${APPLICATION_NAME_UPPER}GUI_DISPLAY_NAME "Dynu IP Refresher GUI")
+
+        # Human readable component descriptions
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}_DESCRIPTION "An extremely useful application that makes use of MyLib")
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}GUI_DESCRIPTION "Static libraries used to build programs with MyLib")
+
+        # Define dependencies between components
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}GUI_DEPENDS ${Application_Name})
+
+        # Define groups
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}_GROUP "Runtime")
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}GUI_GROUP "Development")
+
+        set(CPACK_COMPONENT_GROUP_DEVELOPMENT_DESCRIPTION "All of the tools you'll ever need to develop software")
+
+        # Define NSIS installation types
+        set(CPACK_ALL_INSTALL_TYPES Full Developer)
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}_INSTALL_TYPES Developer Full)
+        set(CPACK_COMPONENT_${APPLICATION_NAME_UPPER}GUI_INSTALL_TYPES Full)
     ENDIF ()
 
     INCLUDE(CPack)

Docker/Linux/Dockerfile

@@ -0,0 +1,19 @@
+FROM gcc:latest
+MAINTAINER luki42
+
+RUN \
+    \
+    # Install texlive
+    echo "instaling cmake" && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends cmake libgtest-dev && \
+    echo "installing build dependencies" && \
+    apt-get install -y --no-install-recommends libcurl4-openssl-dev libconfig++-dev && \
+    echo "installing packaging tools" && \
+    apt-get install -y --no-install-recommends dpkg rpm && \
+    # clean up
+    apt-get clean
+
+# Expose /home as workin dir
+WORKDIR /home
+VOLUME ["/home"]

Docker/Windows/Dockerfile

@@ -0,0 +1,20 @@
+FROM fedora:33
+MAINTAINER luki42
+
+RUN \
+    \
+    # Install texlive
+    echo "instaling cmake" && \
+    dnf install -y mingw64-gcc-c++ mingw64-curl-static mingw64-qt5-qtbase wget cmake make tar xz mingw32-nsis gtest gtest-devel && \
+    wget http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-libconfig-1.7.2-1-any.pkg.tar.xz && \
+    tar -xf mingw-w64-x86_64-libconfig-1.7.2-1-any.pkg.tar.xz && \
+    mv ./mingw64/bin/* /usr/x86_64-w64-mingw32/sys-root/mingw/bin && \
+    mv ./mingw64/include/* /usr/x86_64-w64-mingw32/sys-root/mingw/include && \
+    mv ./mingw64/lib/*.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib && \
+    mv ./mingw64/lib/cmake/* /usr/x86_64-w64-mingw32/sys-root/mingw/lib/cmake && \
+    rm -Rv mingw-w64-x86_64-libconfig-1.7.2-1-any.pkg.tar.xz mingw64 && \
+    #cleanup
+    dnf clean dbcache && dnf clean packages
+# Expose /home as workin dir
+WORKDIR /home
+VOLUME ["/home"]

README.md

@@ -2,6 +2,7 @@
 # DynuIPRefresher
 A lightweight C++ application to setup a service for refreshing a dynamic IP to the Dynu servers. 
 Dynu.com is a free DDns service and provides an API.
+There is also a GUI for Windows Users and beginners.
 
 ## Installation
 Download the latest Release at [Release_Page](https://github.com/Lukas-Heiligenbrunner/DynuIPRefresher/releases).
@@ -31,6 +32,17 @@ help page:
 [no argument] normal ip check and refresh
 ```
 
+### GUI 
+
+You can also build the grapical user inteface if you want. 
+There you can manually trigger a refresh in a gui and set all the config parameters.
+
+Home Page:
+![couldn't load image](https://i.ibb.co/syDwWQg/Screenshot-20200608-104253.png)
+
+Config Page:
+![couldn't load image](https://i.ibb.co/89vnJXY/Screenshot-20200608-104308.png)
+
 
 ## Build
 ## Basic Build
@@ -85,6 +97,10 @@ cd into downloaded files and Generate makefiles:
 
 `make package`
 
+### GUI Build
+
+please use the predefined Docker-Image here: 
+[DockerHub](https://hub.docker.com/repository/docker/luki42/dynuiprefresher_build)
 
 
 ### Windows cross build
@@ -99,5 +115,7 @@ Optional dependencies
 * NSIS Pack tool (for creating installer)
 * doxygen (for generating html doc)
 
-Some addition configuration of lib paths may be needed in CMakeList.txt. 
+The Simplest way to install all dependencies is the preconfigured Docker-Image:
+[DockerHub](https://hub.docker.com/repository/docker/luki42/dynuiprefresher_build)
+
 `make package` will pack it into a NSIS installer for Windows. 

inc/Config.h

@@ -18,6 +18,13 @@ public:
     */
     static bool readConfig();
 
+    /**
+     * save back configuration to file
+     *
+     * @return success of config write
+     */
+    static bool saveConfig();
+
     /**
      * validate config file
      *
@@ -63,12 +70,32 @@ public:
      */
     static const std::string &getChatId();
 
+    /**
+     * set all parameters without telegram support
+     *
+     * @param domainname Dynu Domain name
+     * @param dynuapikey Dynu api key
+     * @param domainid Dynu domain id
+     */
+    static void setValues(const std::string &domainname, const std::string &dynuapikey, const std::string &domainid);
+
+    /**
+     * set all parameters with telegram support
+     *
+     * @param domainname Dynu Domain name
+     * @param dynuapikey Dynu api key
+     * @param domainid Dynu domain id
+     * @param telegramApiKey Telegram api key
+     * @param chatId Telegram chat id
+     */
+    static void setValues(const std::string &domainname, const std::string &dynuapikey, const std::string &domainid,
+                          const std::string &telegramApiKey, const std::string &chatId);
 
 private:
     /**
      * private constructor --> don't allow instance of this class
      */
-    Config();
+    Config() = default;
 
     /**
      * helper variable for managing telegram Support

inc/IPRefresher.h

@@ -9,22 +9,25 @@
 
 #pragma once
 
-class IPRefresher {
+namespace IPRefresher {
-public:
+    /**
+     * Status return-codes for startUpService
+     */
+    namespace Status_Code {
+        const int SUCCESS = 1;
+        const int ERROR = -1;
+        const int ERROR_NO_INTERNET = -2;
+        const int NOREFRESH = 0;
+    }
+
     /**
      * refresh ip address on Dynu server
      */
-    void checkIPAdress(bool force);
+    bool checkIPAdress(bool force);
-
-    /**
-     * default constructor
-     */
-    IPRefresher() = default;
 
     /**
      * start the service in loop mode
      * every 5 minutes the ip is checked an refreshed (needed for .service)
-     * @param loop true->loopmode on
      */
-    explicit IPRefresher(bool loop);
+    void startUpService(int interval = 300);
-};
+}

inc/gui/MainWindow.h

@@ -0,0 +1,63 @@
+/**
+ * Main GUI controller - User IO handlings
+ *
+ * @author Lukas Heiligenbrunner
+ * @date 09.05.2020
+ */
+
+#pragma once
+
+#include <QtWidgets/QMainWindow>
+
+namespace Ui {
+    class MainWindow;
+}
+
+class MainWindow : public QMainWindow {
+Q_OBJECT
+
+public:
+    /**
+     * constructor with basic initializations
+     */
+    explicit MainWindow();
+
+    /**
+     * destruct all gui elements
+     */
+    ~MainWindow();
+
+private:
+    Ui::MainWindow *ui;
+
+    /**
+     * all static initializations of custom gui elements
+     */
+    void initGui();
+
+private slots:
+
+    /**
+     * executed click handler for config button
+     */
+    void checkConfigBtn();
+
+    /**
+     * executed click handler for refresh btn
+     */
+    void refreshIPBtn();
+
+    /**
+     * executed click handler for save config btn
+     */
+    void saveConfigBtn();
+
+signals:
+
+    /**
+     * append a String line to the Log field
+     *
+     * @param QString string to be appended
+     */
+    void appendLogField(QString);
+};

src/Config.cpp

@@ -91,11 +91,16 @@ bool Config::readConfig() {
     return !(Config::dynuapikey.empty() || Config::domainid.empty() || Config::domainname.empty());
 }
 
+bool Config::saveConfig() {
+    // todo save config
+    return false;
+}
+
 bool Config::validateConfig() {
     libconfig::Config cfg;
     try {
         Logger::message("reading config file");
-        cfg.readFile(StaticData::ConfigDir.c_str());
+        cfg.readFile(std::string(StaticData::ConfigDir + StaticData::ConfName).c_str());
     }
     catch (const libconfig::FileIOException &fioex) {
         Logger::warning("config file doesn't exist or permission denied!");
@@ -164,4 +169,14 @@ const std::string &Config::getChatId() {
     return chatId;
 }
 
-Config::Config() = default;
+void Config::setValues(const std::string &domainname, const std::string &dynuapikey, const std::string &domainid) {
+    Config::domainname = domainname;
+    Config::dynuapikey = dynuapikey;
+    Config::domainid = domainid;
+}
+
+void Config::setValues(const std::string &domainname, const std::string &dynuapikey, const std::string &domainid, const std::string &telegramApiKey, const std::string &chatId) {
+    setValues(domainname, dynuapikey, domainid);
+    Config::telegramApiKey = telegramApiKey;
+    Config::chatId = chatId;
+}

src/IPRefresher.cpp

@@ -11,7 +11,9 @@
 #include <thread>
 #include <Logger.h>
 
-void IPRefresher::checkIPAdress(bool force) {
+using namespace IPRefresher;
+
+bool IPRefresher::checkIPAdress(bool force) {
     FileLogger logger;
 
     IPAPI ipapi;
@@ -20,14 +22,17 @@ void IPRefresher::checkIPAdress(bool force) {
     if (ip.empty()) {
         //no internet connection (or other error)
         Logger::warning("no internet connection");
+        return Status_Code::ERROR_NO_INTERNET;
     } else if (!IpHelper::isIpValid(ip)) {
         // error when ip doesn't contain a :
         Logger::warning("an error occured when getting the global ip");
+        return Status_Code::ERROR;
     } else {
         std::string oldip = logger.readip();
 
         if (oldip == ip && !force) {
             Logger::message("no change -- ip: " + ip);
+            return Status_Code::NOREFRESH;
         } else {
             Logger::message("ip changed! -- from :" + oldip + "to: " + ip);
 
@@ -43,18 +48,19 @@ void IPRefresher::checkIPAdress(bool force) {
             } else if (!result) {
                 //error
                 Logger::error("failed to write ip to dynu api!");
+                return Status_Code::ERROR;
             }
 
             logger.safeip(ip);
+            return result ? Status_Code::SUCCESS : Status_Code::ERROR;
         }
     }
 }
 
-IPRefresher::IPRefresher(bool loop) {
+void IPRefresher::startUpService(int interval) {
-    if (loop) {
     Logger::message("startup of service");
     Logger::message("Version: " + StaticData::VERSION);
-
+    if (Config::readConfig()) {
         while (true) {
             Logger::message("starting check");
             if (Config::readConfig()) {
@@ -62,7 +68,9 @@ IPRefresher::IPRefresher(bool loop) {
             } else {
                 std::cout << "incorrect credentials!" << std::endl;
             }
-            std::this_thread::sleep_for(std::chrono::milliseconds(300000));
+            std::this_thread::sleep_for(std::chrono::milliseconds(interval * 1000));
-        }
+        }
+    } else {
+        std::cout << "incorrect credentials!" << std::endl;
     }
 }

src/gui/MainWindow.cpp

@@ -0,0 +1,129 @@
+#include "inc/gui/MainWindow.h"
+#include "ui_mainwindow.h"
+
+#include "api/IPAPI.h"
+#include "IPRefresher.h"
+#include "Config.h"
+#include "Logger.h"
+
+#include <thread>
+
+MainWindow::MainWindow() : QMainWindow(), ui(new Ui::MainWindow) {
+    ui->setupUi(this);
+
+    // initialize gui with start parameters
+    initGui();
+
+    connect(ui->buttonCheckConfig, SIGNAL(clicked()), this, SLOT(checkConfigBtn()));
+    connect(ui->buttonRefreshIP, SIGNAL(clicked()), this, SLOT(refreshIPBtn()));
+    connect(ui->buttonSaveConfig, SIGNAL(clicked()), this, SLOT(saveConfigBtn()));
+
+    connect(this, SIGNAL(appendLogField(QString)), ui->textLog, SLOT(appendPlainText(QString)));
+}
+
+MainWindow::~MainWindow() {
+    // todo check if disconnects are really necessary
+    disconnect(ui->buttonCheckConfig);
+    disconnect(ui->buttonRefreshIP);
+    this->destroy();
+    delete ui;
+}
+
+void MainWindow::checkConfigBtn() {
+    Logger::message("checking config!");
+    appendLogField("checking config!");
+
+    if (Config::validateConfig()) {
+        Logger::message("Config file is OK");
+        appendLogField("Config file is OK");
+        ui->labelConfig->setText("Config is: OK");
+    } else {
+        Logger::error("There are errors in config file!");
+        appendLogField("There are errors in config file!");
+    }
+    appendLogField("");
+}
+
+void MainWindow::refreshIPBtn() {
+    Logger::message("start refreshing Dynu IP.");
+    appendLogField("");
+    appendLogField("start refreshing Dynu IP.");
+    new std::thread([this]() {
+        if (Config::readConfig()) {
+            int code = IPRefresher::checkIPAdress(false);
+            switch (code) {
+                case IPRefresher::Status_Code::SUCCESS:
+                    appendLogField("successfully refreshed IP!");
+                    break;
+                case IPRefresher::Status_Code::NOREFRESH:
+                    appendLogField("IP is already correct.");
+                    break;
+                case IPRefresher::Status_Code::ERROR_NO_INTERNET:
+                    appendLogField("Error: No Internet connection");
+                    break;
+                case IPRefresher::Status_Code::ERROR:
+                    appendLogField("An error occured while refreshing.");
+                    break;
+                default:
+                    appendLogField("An unknown error code occured");
+            }
+        } else {
+            std::cout << "incorrect credentials!" << std::endl;
+        }
+
+        Logger::message("Finished refreshing Dynu IP.");
+        this->appendLogField("Finished refreshing Dynu IP.");
+    });
+}
+
+void MainWindow::saveConfigBtn() {
+    if (ui->telegramsupportCheckbox->isChecked()) {
+        Config::setValues(
+                ui->domainnameedit->text().toStdString(),
+                ui->dynuapikeyedit->text().toStdString(),
+                ui->domainidedit->text().toStdString(),
+                ui->telegramapikeyedit->text().toStdString(),
+                ui->chatidedit->text().toStdString());
+    } else {
+        Config::setValues(
+                ui->domainnameedit->text().toStdString(),
+                ui->dynuapikeyedit->text().toStdString(),
+                ui->domainidedit->text().toStdString());
+    }
+    Config::saveConfig();
+}
+
+void MainWindow::initGui() {
+    // needs to be defined with new -- would be termintated after the constructor call.
+    new std::thread([this]() {
+        IPAPI ipapi;
+        std::string ip = ipapi.getGlobalIp();
+        Logger::message("Current global IP: " + ip);
+        std::string msg = "Your current global IP: " + ip;
+        this->ui->labelCurrentIP->setText(msg.c_str());
+    });
+
+    // set config info label and initial check if config is valid
+    ui->labelConfig->setText(Config::validateConfig() ? "Config is: OK" : "Config is: NOT OK");
+
+    if (Config::readConfig()) {
+        ui->dynuapikeyedit->setText(Config::getDynuapikey().c_str());
+        ui->domainidedit->setText(Config::getDomainid().c_str());
+        ui->domainnameedit->setText(Config::getDomainname().c_str());
+
+        if (Config::isTelegramSupported()) {
+            ui->telegramsupportCheckbox->setCheckState(Qt::Checked);
+            ui->telegramapikeyedit->setText(Config::getTelegramApiKey().c_str());
+            ui->chatidedit->setText(Config::getChatId().c_str());
+        } else {
+            ui->telegramsupportCheckbox->setCheckState(Qt::Unchecked);
+            ui->telegramapikeyedit->setDisabled(true);
+            ui->chatidedit->setDisabled(true);
+        }
+    } else {
+        // todo duplicate code with above
+        ui->telegramsupportCheckbox->setCheckState(Qt::Unchecked);
+        ui->telegramapikeyedit->setDisabled(true);
+        ui->chatidedit->setDisabled(true);
+    }
+}

src/gui/mainwindow.ui

@@ -0,0 +1,320 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>823</width>
+    <height>618</height>
+   </rect>
+  </property>
+  <property name="cursor">
+   <cursorShape>ArrowCursor</cursorShape>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">/*background-color: rgb(69, 196, 255);</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QPlainTextEdit" name="textLog">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
+    <property name="geometry">
+     <rect>
+      <x>40</x>
+      <y>410</y>
+      <width>741</width>
+      <height>191</height>
+     </rect>
+    </property>
+    <property name="cursor" stdset="0">
+     <cursorShape>IBeamCursor</cursorShape>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label_2">
+    <property name="geometry">
+     <rect>
+      <x>40</x>
+      <y>380</y>
+      <width>64</width>
+      <height>17</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Log:</string>
+    </property>
+   </widget>
+   <widget class="QTabWidget" name="tabWidget">
+    <property name="geometry">
+     <rect>
+      <x>40</x>
+      <y>20</y>
+      <width>741</width>
+      <height>351</height>
+     </rect>
+    </property>
+    <property name="currentIndex">
+     <number>0</number>
+    </property>
+    <widget class="QWidget" name="basic">
+     <attribute name="title">
+      <string>Basic</string>
+     </attribute>
+     <widget class="QLabel" name="labelCurrentIP">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>30</y>
+        <width>301</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Your current global IP:</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="labelConfig">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>70</y>
+        <width>141</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Config is: undefined</string>
+      </property>
+     </widget>
+     <widget class="QGroupBox" name="groupBox">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>120</y>
+        <width>231</width>
+        <height>151</height>
+       </rect>
+      </property>
+      <property name="title">
+       <string>Actions</string>
+      </property>
+      <widget class="QPushButton" name="buttonCheckConfig">
+       <property name="geometry">
+        <rect>
+         <x>30</x>
+         <y>50</y>
+         <width>91</width>
+         <height>33</height>
+        </rect>
+       </property>
+       <property name="cursor">
+        <cursorShape>ArrowCursor</cursorShape>
+       </property>
+       <property name="text">
+        <string>Check Config</string>
+       </property>
+      </widget>
+      <widget class="QPushButton" name="buttonRefreshIP">
+       <property name="geometry">
+        <rect>
+         <x>30</x>
+         <y>100</y>
+         <width>91</width>
+         <height>33</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Refresh IP</string>
+       </property>
+      </widget>
+     </widget>
+    </widget>
+    <widget class="QWidget" name="config">
+     <attribute name="title">
+      <string>Config</string>
+     </attribute>
+     <widget class="QCheckBox" name="telegramsupportCheckbox">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>120</y>
+        <width>181</width>
+        <height>21</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Telegram Notifications</string>
+      </property>
+     </widget>
+     <widget class="QPushButton" name="buttonSaveConfig">
+      <property name="geometry">
+       <rect>
+        <x>630</x>
+        <y>270</y>
+        <width>91</width>
+        <height>33</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Save Config</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="label">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>20</y>
+        <width>101</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Dynu API Key</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="label_3">
+      <property name="geometry">
+       <rect>
+        <x>460</x>
+        <y>20</y>
+        <width>111</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Domain ID</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="label_4">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>170</y>
+        <width>131</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Telegram API Key</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="label_5">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>240</y>
+        <width>64</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Chat ID</string>
+      </property>
+     </widget>
+     <widget class="QLineEdit" name="dynuapikeyedit">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>40</y>
+        <width>211</width>
+        <height>31</height>
+       </rect>
+      </property>
+     </widget>
+     <widget class="QLineEdit" name="domainidedit">
+      <property name="geometry">
+       <rect>
+        <x>460</x>
+        <y>40</y>
+        <width>113</width>
+        <height>31</height>
+       </rect>
+      </property>
+     </widget>
+     <widget class="QLineEdit" name="chatidedit">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>260</y>
+        <width>113</width>
+        <height>31</height>
+       </rect>
+      </property>
+     </widget>
+     <widget class="QLineEdit" name="telegramapikeyedit">
+      <property name="geometry">
+       <rect>
+        <x>30</x>
+        <y>190</y>
+        <width>311</width>
+        <height>31</height>
+       </rect>
+      </property>
+     </widget>
+     <widget class="QLineEdit" name="domainnameedit">
+      <property name="geometry">
+       <rect>
+        <x>280</x>
+        <y>40</y>
+        <width>161</width>
+        <height>31</height>
+       </rect>
+      </property>
+      <property name="placeholderText">
+       <string>domain.dynu.net</string>
+      </property>
+     </widget>
+     <widget class="QLabel" name="label_6">
+      <property name="geometry">
+       <rect>
+        <x>280</x>
+        <y>20</y>
+        <width>111</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Domainname</string>
+      </property>
+     </widget>
+    </widget>
+    <widget class="QWidget" name="settings">
+     <attribute name="title">
+      <string>Settings</string>
+     </attribute>
+     <widget class="QLabel" name="label_7">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>30</y>
+        <width>161</width>
+        <height>17</height>
+       </rect>
+      </property>
+      <property name="text">
+       <string>Select your language:</string>
+      </property>
+     </widget>
+     <widget class="QComboBox" name="languageComboBox">
+      <property name="geometry">
+       <rect>
+        <x>20</x>
+        <y>60</y>
+        <width>94</width>
+        <height>31</height>
+       </rect>
+      </property>
+     </widget>
+    </widget>
+   </widget>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/main.cpp

@@ -21,15 +21,14 @@ int main(int argc, char *argv[]) {
         } else if (firstarg == "-v" || firstarg == "--version") {
             std::cout << "Version " << StaticData::VERSION << std::endl;
         } else if (firstarg == "-f" || firstarg == "--force") {
-            IPRefresher ipr;
             if (Config::readConfig()) {
-                ipr.checkIPAdress(true);
+                IPRefresher::checkIPAdress(true);
             } else {
                 std::cout << "incorrect credentials!" << std::endl;
             }
 
         } else if (firstarg == "-l" || firstarg == "--loop") {
-            IPRefresher(true);
+            IPRefresher::startUpService(true);
         } else if (firstarg == "-c" || firstarg == "--checkconfig") {
             if (Config::validateConfig()) {
                 Logger::message("Config file is OK");
@@ -44,10 +43,9 @@ int main(int argc, char *argv[]) {
             Logger::message("wrong arguments!  -h for help");
         }
     } else {
-        IPRefresher ipr;
         Logger::message("starting check");
         if (Config::readConfig()) {
-            ipr.checkIPAdress(false);
+            IPRefresher::checkIPAdress(false);
         } else {
             std::cout << "incorrect credentials!" << std::endl;
         }

src/maingui.cpp

@@ -0,0 +1,14 @@
+#include <QApplication>
+#include "gui/MainWindow.h"
+
+/**
+ * application entry point
+ */
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.setWindowTitle("Dynu IP Refresher");
+    w.show();
+
+    return QApplication::exec();
+}