Clean up keyring when a connection is deleted

Bugfix for new settings management
Do not create new internal_id, if the setting already have one. Do not create new entries, if the setting is the last one in the array.
2025-11-09 00:53:53 +01:00 · 2023-01-10 23:23:55 +01:00 · 2023-01-10 15:17:29 +01:00 · 2023-01-10 15:06:46 +01:00 · 2023-01-10 09:08:33 +01:00 · 2023-01-09 20:47:35 +01:00
93 changed files with 7688 additions and 4271 deletions
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,9 +4,9 @@
    <option name="languageLevel" value="ES6" />
  </component>
  <component name="ProjectPlainTextFileTypeManager">
-    <file url="file://$PROJECT_DIR$/revpicommander/locale/revpicommander_de.ts" />
+    <file url="file://$PROJECT_DIR$/src/revpicommander/locale/revpicommander_de.ts" />
  </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (revpicommander)" project-jdk-type="Python SDK" />
  <component name="PythonCompatibilityInspectionAdvertiser">
    <option name="version" value="3" />
  </component>
--- a/.idea/revpicommander.iml
+++ b/.idea/revpicommander.iml
@@ -2,15 +2,14 @@
 <module type="PYTHON_MODULE" version="4">
  <component name="NewModuleRootManager">
    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/include" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/revpicommander" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/lib/revpimodio2" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
    </content>
-    <orderEntry type="jdk" jdkName="Python 3.8" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.9 (revpicommander)" jdkType="Python SDK" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
  <component name="PackageRequirementsSettings">
    <option name="versionSpecifier" value="Greater or equal (&gt;=x.y.z)" />
-    <option name="removeUnused" value="true" />
  </component>
 </module>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="CommitMessageInspectionProfile">
+    <profile version="1.0">
+      <inspection_tool class="BodyLimit" enabled="true" level="WARNING" enabled_by_default="true" />
+      <inspection_tool class="SubjectBodySeparation" enabled="true" level="WARNING" enabled_by_default="true" />
+      <inspection_tool class="SubjectLimit" enabled="true" level="WARNING" enabled_by_default="true" />
+    </profile>
+  </component>
  <component name="VcsDirectoryMappings">
    <mapping directory="$PROJECT_DIR$" vcs="Git" />
  </component>
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,8 +1,12 @@
-include MANIFEST.in
-include stdeb.cfg
 recursive-include data *
-recursive-include include *.py
-recursive-include lib *.py
-recursive-include revpicommander *.py *.qm
-global-exclude *.pyc
+recursive-include src/revpicommander *.py *.qm
+recursive-include ui_dev *
 include LICENSE.txt
+include make_installer_win.bat
+include Makefile
+include MANIFEST.in
+include README.md
+include requirements.txt
+include setup.iss
+include setup.py
+include translate.pro
--- a/83
+++ b/83
@@ -0,0 +1,83 @@
+SHELL        := bash
+MAKEFLAGS     = --no-print-directory --no-builtin-rules
+.DEFAULT_GOAL = all
+
+# Variables
+PACKAGE = revpicommander
+
+# If virtualenv exists, use it. If not, use PATH to find
+SYSTEM_PYTHON  = $(or $(shell which python3), $(shell which python))
+PYTHON         = $(or $(wildcard venv/bin/python), $(SYSTEM_PYTHON))
+SYSTEM_PYUIC5  = $(shell which pyuic5)
+PYUIC5         = $(or $(wildcard venv/bin/pyuic5), $(SYSTEM_PYUIC5))
+SYSTEM_PYRCC5  = $(shell which pyrcc5)
+PYRCC5         = $(or $(wildcard venv/bin/pyrcc5), $(SYSTEM_PYRCC5))
+SYSTEM_PYLUP5  = $(shell which pylupdate5)
+PYLUP5         = $(or $(wildcard venv/bin/pylupdate5), $(SYSTEM_PYLUP5))
+
+all: build_ui build_rc build
+
+.PHONY: all
+
+## Compile Qt UI files to python code
+build_ui:
+	cd ui_dev && for ui_file in *.ui; do \
+		file_name=$${ui_file%.ui}; \
+		$(PYUIC5) $${ui_file} -o ../src/$(PACKAGE)/ui/$${file_name}_ui.py -x --from-imports; \
+		echo $${file_name}; \
+	done
+
+build_rc:
+	cd ui_dev && for rc_file in *.qrc; do \
+		file_name=$${rc_file%.qrc}; \
+		$(PYRCC5) $${rc_file} -o ../src/$(PACKAGE)/ui/$${file_name}_rc.py; \
+		echo $${file_name}; \
+	done
+
+update_translation:
+	$(PYLUP5) translate.pro
+
+.PHONY: build_ui build_rc update_translation
+
+## Environment
+venv:
+	rm -rf venv
+	$(SYSTEM_PYTHON) -m venv venv
+
+deps:
+	$(PYTHON) -m pip install --upgrade pip -r requirements.txt
+
+.PHONY: venv deps
+
+## Build, install
+build: build_ui build_rc
+	$(PYTHON) -m setup sdist
+	$(PYTHON) -m setup bdist_wheel
+
+install:
+	$(PYTHON) -m pip install dist/$(PACKAGE)-*.whl
+
+.PHONY: build install
+
+## PyInstaller
+installer_mac: build
+	$(PYTHON) -m PyInstaller -n "RevPi Commander" \
+		--add-data="src/$(PACKAGE)/locale:./revpicommander/locale" \
+		--add-data="data/$(PACKAGE).icns:." \
+		--icon=data/$(PACKAGE).icns \
+		--noconfirm \
+		--clean \
+		--onedir \
+		--windowed \
+		src/$(PACKAGE)/__main__.py
+
+installer_win: all
+	make_installer_win.bat
+
+.PHONY: installer_mac installer_win
+
+## Clean
+clean:
+	rm -rf build dist src/*.egg-info *.spec
+
+.PHONY: clean
--- a/data/revpicommander.desktop
+++ b/data/revpicommander.desktop
@@ -1,7 +1,6 @@
 [Desktop Entry]
 Name=RevPi PLC Commander
 Comment=Controls the Python PLC program on your Revolution PI
-Name[de]=RevPi PLC Steuerung
 Comment[de]=Kontrolliert das Python PLC Programm auf dem Revolution PI
 Exec=/usr/bin/revpicommander
 Icon=revpicommander
--- a/data/revpicommander.icns
+++ b/data/revpicommander.icns
--- a/include/ui_dev/revpiplclist.ui
+++ b/include/ui_dev/revpiplclist.ui
@@ -1,244 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>diag_connections</class>
- <widget class="QDialog" name="diag_connections">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>520</width>
-    <height>508</height>
-   </rect>
-  </property>
-  <property name="windowTitle">
-   <string>Revolution Pi connections</string>
-  </property>
-  <layout class="QGridLayout" name="gridLayout">
-   <item row="0" column="0">
-    <widget class="QTreeWidget" name="tre_connections">
-     <property name="editTriggers">
-      <set>QAbstractItemView::NoEditTriggers</set>
-     </property>
-     <column>
-      <property name="text">
-       <string>Connection name</string>
-      </property>
-     </column>
-     <column>
-      <property name="text">
-       <string>Address</string>
-      </property>
-     </column>
-    </widget>
-   </item>
-   <item row="0" column="1">
-    <layout class="QVBoxLayout" name="vl_edit">
-     <item>
-      <spacer name="vs_edit">
-       <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>
-      <widget class="QPushButton" name="btn_up">
-       <property name="text">
-        <string/>
-       </property>
-       <property name="icon">
-        <iconset resource="ressources.qrc">
-         <normaloff>:/action/ico/arrow-up.ico</normaloff>:/action/ico/arrow-up.ico</iconset>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="btn_down">
-       <property name="text">
-        <string/>
-       </property>
-       <property name="icon">
-        <iconset resource="ressources.qrc">
-         <normaloff>:/action/ico/arrow-down.ico</normaloff>:/action/ico/arrow-down.ico</iconset>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="btn_delete">
-       <property name="text">
-        <string/>
-       </property>
-       <property name="icon">
-        <iconset resource="ressources.qrc">
-         <normaloff>:/action/ico/edit-delete.ico</normaloff>:/action/ico/edit-delete.ico</iconset>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="btn_add">
-       <property name="text">
-        <string/>
-       </property>
-       <property name="icon">
-        <iconset resource="ressources.qrc">
-         <normaloff>:/action/ico/edit-add.ico</normaloff>:/action/ico/edit-add.ico</iconset>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item row="1" column="0" colspan="2">
-    <widget class="QGroupBox" name="gb_properties">
-     <property name="title">
-      <string>Connection properties</string>
-     </property>
-     <layout class="QFormLayout" name="formLayout">
-      <item row="0" column="0">
-       <widget class="QLabel" name="lbl_name">
-        <property name="text">
-         <string>Display name:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="4" column="0">
-       <widget class="QLabel" name="lbl_folder">
-        <property name="text">
-         <string>Sub folder:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="lbl_address">
-        <property name="text">
-         <string>Address (DNS/IP):</string>
-        </property>
-       </widget>
-      </item>
-      <item row="2" column="0">
-       <widget class="QLabel" name="lbl_port">
-        <property name="text">
-         <string>Port (Default {0}):</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="1">
-       <widget class="QLineEdit" name="txt_name"/>
-      </item>
-      <item row="1" column="1">
-       <widget class="QLineEdit" name="txt_address"/>
-      </item>
-      <item row="2" column="1">
-       <widget class="QSpinBox" name="sbx_port">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-        <property name="minimum">
-         <number>1</number>
-        </property>
-        <property name="maximum">
-         <number>65535</number>
-        </property>
-        <property name="value">
-         <number>55123</number>
-        </property>
-       </widget>
-      </item>
-      <item row="4" column="1">
-       <widget class="QComboBox" name="cbb_folder">
-        <property name="editable">
-         <bool>true</bool>
-        </property>
-        <item>
-         <property name="text">
-          <string/>
-         </property>
-        </item>
-       </widget>
-      </item>
-      <item row="3" column="0">
-       <widget class="QLabel" name="lbl_timeout">
-        <property name="text">
-         <string>Connection timeout:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="1">
-       <widget class="QSpinBox" name="sbx_timeout">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-        <property name="suffix">
-         <string> sec.</string>
-        </property>
-        <property name="minimum">
-         <number>5</number>
-        </property>
-        <property name="maximum">
-         <number>30</number>
-        </property>
-       </widget>
-      </item>
-     </layout>
-    </widget>
-   </item>
-   <item row="2" column="0" colspan="2">
-    <widget class="QDialogButtonBox" name="btn_box">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Discard|QDialogButtonBox::Save</set>
-     </property>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <resources>
-  <include location="ressources.qrc"/>
- </resources>
- <connections>
-  <connection>
-   <sender>btn_box</sender>
-   <signal>accepted()</signal>
-   <receiver>diag_connections</receiver>
-   <slot>accept()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>248</x>
-     <y>254</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>157</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>btn_box</sender>
-   <signal>rejected()</signal>
-   <receiver>diag_connections</receiver>
-   <slot>reject()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>316</x>
-     <y>260</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>286</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
-</ui>
--- a/make_installer_win.bat
+++ b/make_installer_win.bat
@@ -0,0 +1,18 @@
+@echo off
+set PACKAGE=revpicommander
+
+rem python -m venv venv
+rem venv\\Scripts\\activate.bat
+rem pip install -r requirements.txt
+
+pyinstaller -n "RevPi Commander" ^
+	--add-data="src\%PACKAGE%\locale;.\revpicommander\locale" ^
+	--add-data="data\%PACKAGE%.ico;." ^
+	--icon=data\\%PACKAGE%.ico ^
+	--noconfirm ^
+	--clean ^
+	--onedir ^
+	--windowed ^
+	src\\%PACKAGE%\\__main__.py
+
+rem deactivate
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,8 @@
+Pyinstaller
 PyQt5>=5.14.1
 revpimodio2>=2.5.6
-zeroconf>=0.24.4
+zeroconf>=0.24.4
+setuptools>=65.6.3
+wheel
+paramiko>=2.12.0
+keyring>=23.13.1
--- a/revpicommander/avahisearch.py
+++ b/revpicommander/avahisearch.py
@@ -1,235 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Revolution Pi search with zeroconf."""
-__author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2020 Sven Sager"
-__license__ = "GPLv3"
-
-from os import name as osname
-from re import compile
-
-from PyQt5 import QtCore, QtGui, QtWidgets
-from zeroconf import IPVersion, ServiceBrowser, Zeroconf
-
-import helper
-import proginit as pi
-from helper import WidgetData
-from ui.avahisearch_ui import Ui_diag_search
-
-
-class AvahiSearchThread(QtCore.QThread):
-    """Search thread for Revolution Pi with installed RevPiPyLoad."""
-    added = QtCore.pyqtSignal(str, str, int, str, str)
-    removed = QtCore.pyqtSignal(str, str)
-
-    def __init__(self, parent=None):
-        super(AvahiSearchThread, self).__init__(parent)
-        self._cycle_wait_ms = 1000
-
-        self.__dict_arp = {}
-        self.re_posix = compile(
-            r"(?P<ip>(\d{1,3}\.){3}\d{1,3}).*"
-            r"(?P<mac>([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2})"
-        )
-
-    def _update_arp(self):
-        """Find mac address in arp table."""
-        if osname == "posix":
-            with open("/proc/net/arp") as fh:
-                for line in fh.readlines():
-                    ip_mac = self.re_posix.search(line)
-                    if ip_mac:
-                        self.__dict_arp[ip_mac.group("ip")] = ip_mac.group("mac")
-
-    def get_mac(self, ip: str):
-        """
-        Get mac address of ip, if known.
-
-        :param ip: IP address to find mac address
-        :return: MAC address as string or empty string, if unknown
-        """
-        return self.__dict_arp.get(ip, "")
-
-    def remove_service(self, zeroconf: Zeroconf, conf_type: str, name: str):
-        """Revolution Pi disappeared."""
-        pi.logger.debug("AvahiSearchThread.remove_service")
-        self.removed.emit(name, conf_type)
-
-    def add_service(self, zeroconf: Zeroconf, conf_type: str, name: str):
-        """New Revolution Pi found."""
-        pi.logger.debug("AvahiSearchThread.add_service")
-        info = zeroconf.get_service_info(conf_type, name)
-        if not info:
-            return
-
-        for ip in info.parsed_addresses(IPVersion.V4Only):
-            self.added.emit(name, info.server, info.port, conf_type, ip)
-
-    def run(self):
-        pi.logger.debug("Started zero conf discovery.")
-        zeroconf = Zeroconf()
-        revpi_browser = ServiceBrowser(zeroconf, "_revpipyload._tcp.local.", self)
-        while not self.isInterruptionRequested():
-            # Just hanging around :)
-            self.msleep(self._cycle_wait_ms)
-        zeroconf.close()
-        pi.logger.debug("Stopped zero conf discovery.")
-
-
-class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
-
-    def __init__(self, parent=None):
-        super(AvahiSearch, self).__init__(parent)
-        self.setupUi(self)
-        self.setFixedSize(self.size())
-
-        self.connect_index = -1
-        self.th_zero_conf = AvahiSearchThread(self)
-
-        self.tb_revpi.setColumnWidth(0, 250)
-        self.btn_connect.setEnabled(False)
-        self.btn_save.setEnabled(False)
-
-    def _restart_search(self):
-        """Clean up an restart search thread."""
-        while self.tb_revpi.rowCount() > 0:
-            self.tb_revpi.removeRow(0)
-        self.th_zero_conf.requestInterruption()
-
-        self.th_zero_conf = AvahiSearchThread(self)
-        self.th_zero_conf.added.connect(self.on_avahi_added)
-        self.th_zero_conf.removed.connect(self.on_avahi_removed)
-        self.th_zero_conf.start()
-
-    def _save_connection(self, row: int, no_warn=False):
-        """
-        Save the connection from given row to settings.
-
-        :param row: Row with connection data
-        :param no_warn: If True, no message boxes will appear
-        :return: Array index of connection (found or saved)
-        """
-        item = self.tb_revpi.item(row, 0)
-        if not item:
-            return
-
-        folder_name = self.tr("Auto discovered")
-        selected_name = item.text()
-        selected_address = item.data(WidgetData.address)
-        selected_port = item.data(WidgetData.port)
-        i = 0
-        for i in range(helper.settings.beginReadArray("connections")):
-            helper.settings.setArrayIndex(i)
-
-            name = helper.settings.value("name", type=str)
-            address = helper.settings.value("address", type=str)
-            port = helper.settings.value("port", type=int)
-            if address.lower() == selected_address.lower() and port == selected_port:
-                if not no_warn:
-                    QtWidgets.QMessageBox.information(
-                        self, self.tr("Already in list..."), self.tr(
-                            "The selected Revolution Pi is already saved in your "
-                            "connection list as '{0}'."
-                        ).format(name)
-                    )
-                helper.settings.endArray()
-                return i
-
-        helper.settings.endArray()
-        helper.settings.beginWriteArray("connections")
-
-        helper.settings.setArrayIndex(i + 1)
-        helper.settings.setValue("address", selected_address)
-        helper.settings.setValue("folder", folder_name)
-        helper.settings.setValue("name", selected_name)
-        helper.settings.setValue("port", selected_port)
-
-        helper.settings.endArray()
-
-        if not no_warn:
-            QtWidgets.QMessageBox.information(
-                self, self.tr("Success"), self.tr(
-                    "The connection with the name '{0}' was successfully saved "
-                    "to folder '{1}' in your connections."
-                ).format(selected_name, folder_name)
-            )
-
-        return i + 1
-
-    def exec(self) -> int:
-        self._restart_search()
-        rc = super(AvahiSearch, self).exec()
-        self.th_zero_conf.requestInterruption()
-        return rc
-
-    @QtCore.pyqtSlot(str, str, int, str, str)
-    def on_avahi_added(self, name: str, server: str, port: int, conf_type: str, ip: str):
-        """New Revolution Pi found."""
-        index = -1
-        for i in range(self.tb_revpi.rowCount()):
-            if self.tb_revpi.item(i, 0).data(WidgetData.object_name) == name:
-                index = i
-                break
-
-        if index == -1:
-            # New Row
-            item_name = QtWidgets.QTableWidgetItem()
-            item_ip = QtWidgets.QTableWidgetItem()
-
-            index = self.tb_revpi.rowCount()
-            self.tb_revpi.insertRow(index)
-            self.tb_revpi.setItem(index, 0, item_name)
-            self.tb_revpi.setItem(index, 1, item_ip)
-        else:
-            # Update row
-            item_name = self.tb_revpi.item(index, 0)
-            item_ip = self.tb_revpi.item(index, 1)
-
-        item_name.setIcon(QtGui.QIcon(":/main/ico/cpu.ico"))
-        item_name.setText(server[:-1])
-        item_name.setData(WidgetData.object_name, name)
-        item_name.setData(WidgetData.address, ip)
-        item_name.setData(WidgetData.port, port)
-        item_ip.setText(ip)
-
-    @QtCore.pyqtSlot(str, str)
-    def on_avahi_removed(self, name: str, conf_type: str):
-        """Revolution Pi disappeared."""
-        for i in range(self.tb_revpi.rowCount()):
-            if self.tb_revpi.item(i, 0).data(WidgetData.object_name) == name:
-                self.tb_revpi.removeRow(i)
-                break
-
-    @QtCore.pyqtSlot(int, int)
-    def on_tb_revpi_cellDoubleClicked(self, row: int, column: int):
-        """Connect to double clicked Revolution Pi."""
-        pi.logger.debug("AvahiSearch.on_tb_revpi_cellDoubleClicked")
-        self.connect_index = self._save_connection(row, no_warn=True)
-        self.accept()
-
-    @QtCore.pyqtSlot(int, int, int, int)
-    def on_tb_revpi_currentCellChanged(self, row: int, column: int, last_row: int, last_column: int):
-        """Manage state of buttons."""
-        self.btn_connect.setEnabled(row >= 0)
-        self.btn_save.setEnabled(row >= 0)
-
-    @QtCore.pyqtSlot()
-    def on_btn_connect_pressed(self):
-        """Connect to selected Revolution Pi."""
-        pi.logger.debug("AvahiSearch.on_btn_connect_pressed")
-        if self.tb_revpi.currentRow() == -1:
-            return
-        self.connect_index = self._save_connection(self.tb_revpi.currentRow(), no_warn=True)
-        self.accept()
-
-    @QtCore.pyqtSlot()
-    def on_btn_save_pressed(self):
-        """Save selected Revolution Pi."""
-        pi.logger.debug("AvahiSearch.on_btn_save_pressed")
-        if self.tb_revpi.currentRow() == -1:
-            return
-        self.connect_index = self._save_connection(self.tb_revpi.currentRow())
-
-    @QtCore.pyqtSlot()
-    def on_btn_restart_pressed(self):
-        """Clean up an restart search thread."""
-        self._restart_search()
--- a/revpicommander/helper.py
+++ b/revpicommander/helper.py
@@ -1,486 +0,0 @@
-# -*- coding: utf-8 -*-
-"""Helper functions for this application."""
-__author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2020 Sven Sager"
-__license__ = "GPLv3"
-
-import pickle
-import socket
-from enum import IntEnum
-from http.client import CannotSendRequest
-from os import environ, remove
-from os.path import exists
-from queue import Queue
-from threading import Lock
-from xmlrpc.client import Binary, ServerProxy
-
-from PyQt5 import QtCore
-
-import proginit as pi
-
-
-class WidgetData(IntEnum):
-    address = 260
-    replace_ios_config = 261
-    acl_level = 262
-    has_error = 263
-    port = 264
-    object_name = 265
-    timeout = 266
-    last_dir_upload = 301
-    last_file_upload = 302
-    last_dir_pictory = 303
-    last_dir_picontrol = 304
-    last_dir_selected = 305
-    last_pictory_file = 306
-    last_tar_file = 307
-    last_zip_file = 308
-    file_name = 309
-    watch_files = 310
-    watch_path = 311
-    debug_geos = 312
-
-
-class ConnectionManager(QtCore.QThread):
-    """Check connection and status for PLC program on Revolution Pi."""
-
-    connection_established = QtCore.pyqtSignal()
-    """New connection established successfully with <class 'ServerProxy'>."""
-    connection_disconnected = QtCore.pyqtSignal()
-    """Connection disconnected."""
-    connection_disconnecting = QtCore.pyqtSignal()
-    """Signal emitted before closing connection."""
-    connection_error_observed = QtCore.pyqtSignal(str)
-    """This will be triggered, if a connection error was detected."""
-    status_changed = QtCore.pyqtSignal(str, str)
-    """Status message and color suggestion."""
-
-    def __init__(self, parent=None, cycle_time_ms=1000):
-        super(ConnectionManager, self).__init__(parent)
-
-        self._cli = None
-        self._cli_connect = Queue()
-        self._cycle_time = cycle_time_ms
-        self._lck_cli = Lock()
-        self._ps_started = False
-        self._revpi = None
-        self._revpi_output = None
-
-        self.address = ""
-        self.name = ""
-        self.port = 55123
-
-        # Sync this with revpiplclist to preserve settings
-        self.program_last_dir_upload = ""
-        self.program_last_file_upload = ""
-        self.program_last_dir_pictory = ""
-        self.program_last_dir_picontrol = ""
-        self.program_last_dir_selected = ""
-        self.program_last_pictory_file = ""
-        self.program_last_tar_file = ""
-        self.program_last_zip_file = ""
-        self.develop_watch_files = []
-        self.develop_watch_path = ""
-        self.debug_geos = {}
-
-        self.pyload_version = (0, 0, 0)
-        """Version number of RevPiPyLoad 0.0.0 with <class 'int'> values."""
-        self.xml_funcs = []
-        """Name list of all supported functions of RevPiPyLoad."""
-        self.xml_mode = -1
-        """ACL level for this connection (-1 on connection denied)."""
-        self._xml_mode_refresh = False
-
-    def __call_simulator(self, function_name: str, *args, default_value=None, **kwargs):
-        pi.logger.debug("ConnectionManager.__call_simulator({0})".format(function_name))
-        if function_name == "ps_values":
-            if self._revpi.readprocimg():
-                bytebuff = bytearray()
-                for dev in self._revpi.device:
-                    bytebuff += bytes(dev)
-                return Binary(bytes(bytebuff))
-
-        elif function_name == "ps_setvalue":
-            # args: 0=device, 1=io, 2=value
-            device = args[0]
-            io = args[1]
-            if type(args[2]) == Binary:
-                value = args[2].data
-            else:
-                value = args[2]
-
-            try:
-                # Write new value to IO
-                self._revpi.io[io].set_value(value)
-            except Exception as e:
-                return [device, io, False, str(e)]
-
-            return [device, io, True, ""]
-
-        elif function_name == "psstart":
-            self._revpi.autorefresh_all()
-            return True
-
-        elif function_name == "psstop":
-            self._revpi.exit(full=False)
-            return True
-
-        elif function_name == "ps_devices":
-            return [(dev.position, dev.name) for dev in self._revpi.device]
-
-        elif function_name == "ps_inps":
-            return self.__simulator_ios("inp")
-
-        elif function_name == "ps_outs":
-            return self.__simulator_ios("out")
-
-        else:
-            return default_value
-
-    def __simulator_ios(self, iotype: str):
-        dict_ios = {}
-        for dev in self._revpi.device:
-            dict_ios[dev.position] = []
-
-            if iotype == "inp":
-                lst_io = dev.get_inputs()
-            elif iotype == "out":
-                lst_io = dev.get_outputs()
-            else:
-                lst_io = []
-
-            for io in lst_io:
-                dict_ios[dev.position].append([
-                    io.name,
-                    1 if io._bitlength == 1 else int(io._bitlength / 8),
-                    io._slc_address.start + dev.offset,
-                    io.bmk,
-                    io._bitaddress,
-                    io._byteorder,
-                    io._signed,
-                ])
-        return Binary(pickle.dumps(dict_ios))
-
-    def _clear_settings(self):
-        """Clear connection settings."""
-        self.address = ""
-        self.name = ""
-        self.port = 55123
-        self.pyload_version = (0, 0, 0)
-        self.xml_funcs.clear()
-        self.xml_mode = -1
-
-        self.program_last_dir_upload = ""
-        self.program_last_file_upload = ""
-        self.program_last_dir_pictory = ""
-        self.program_last_dir_picontrol = ""
-        self.program_last_dir_selected = ""
-        self.program_last_pictory_file = ""
-        self.program_last_tar_file = ""
-        self.program_last_zip_file = ""
-        self.develop_watch_files = []
-        self.develop_watch_path = ""
-        self.debug_geos = {}
-
-    def _save_settings(self):
-        """Save settings to named Revolution Pi."""
-        for i in range(settings.beginReadArray("connections")):
-            settings.setArrayIndex(i)
-            if settings.value("address") != self.address:
-                # Search used connection, because connection manager could reorganize array
-                continue
-
-            settings.setValue("last_dir_upload", self.program_last_dir_upload)
-            settings.setValue("last_file_upload", self.program_last_file_upload)
-            settings.setValue("last_dir_pictory", self.program_last_dir_pictory)
-            settings.setValue("last_dir_picontrol", self.program_last_dir_picontrol)
-            settings.setValue("last_dir_selected", self.program_last_dir_selected)
-            settings.setValue("last_pictory_file", self.program_last_pictory_file)
-            settings.setValue("last_tar_file", self.program_last_tar_file)
-            settings.setValue("last_zip_file", self.program_last_zip_file)
-            settings.setValue("watch_files", self.develop_watch_files)
-            settings.setValue("watch_path", self.develop_watch_path)
-            settings.setValue("debug_geos", self.debug_geos)
-
-            break
-
-        settings.endArray()
-
-    def pyload_connect(self, settings_index: int):
-        """
-        Create a new connection from settings object.
-
-        :param settings_index: Index of settings array 'connections'
-        :return: True, if the connection was successfully established
-        """
-
-        # First disconnect to send signal and clean up values
-        self.pyload_disconnect()
-
-        settings.beginReadArray("connections")
-        settings.setArrayIndex(settings_index)
-
-        address = settings.value("address", str)
-        name = settings.value("name", str)
-        port = settings.value("port", 55123, int)
-        timeout = settings.value("timeout", 5, int)
-
-        self.program_last_dir_upload = settings.value("last_dir_upload", ".", str)
-        self.program_last_file_upload = settings.value("last_file_upload", ".", str)
-        self.program_last_dir_pictory = settings.value("last_dir_pictory", ".", str)
-        self.program_last_dir_picontrol = settings.value("last_dir_picontrol", ".", str)
-        self.program_last_dir_selected = settings.value("last_dir_selected", ".", str)
-        self.program_last_pictory_file = settings.value("last_pictory_file", "{0}.rsc".format(name), str)
-        self.program_last_tar_file = settings.value("last_tar_file", "{0}.tgz".format(name), str)
-        self.program_last_zip_file = settings.value("last_zip_file", "{0}.zip".format(name), str)
-        self.develop_watch_files = settings.value("watch_files", [], list)
-        self.develop_watch_path = settings.value("watch_path", "", str)
-        self.debug_geos = settings.value("debug_geos", {}, dict)
-
-        settings.endArray()
-
-        socket.setdefaulttimeout(2)
-        sp = ServerProxy("http://{0}:{1}".format(address, port))
-
-        # Load values and test connection to Revolution Pi
-        try:
-            pyload_version = tuple(map(int, sp.version().split(".")))
-            xml_funcs = sp.system.listMethods()
-            xml_mode = sp.xmlmodus()
-        except Exception as e:
-            pi.logger.exception(e)
-            self.connection_error_observed.emit(str(e))
-            return False
-
-        self.address = address
-        self.name = name
-        self.port = port
-        self.pyload_version = pyload_version
-        self.xml_funcs = xml_funcs
-        self.xml_mode = xml_mode
-
-        with self._lck_cli:
-            socket.setdefaulttimeout(timeout)
-            self._cli = sp
-            self._cli_connect.put_nowait((address, port))
-
-        self.connection_established.emit()
-
-        return True
-
-    def pyload_disconnect(self):
-        """Disconnect from Revolution Pi."""
-        if self._revpi is not None:
-            self.connection_disconnecting.emit()
-
-            self._revpi.cleanup()
-            self._revpi_output.cleanup()
-            if settings.value("simulator/stop_remove", False, bool):
-                remove(self._revpi.procimg)
-            self._revpi = None
-            self._revpi_output = None
-
-            pi.logger.debug("Simulator destroyed.")
-            self.connection_disconnected.emit()
-
-        elif self._cli is not None:
-
-            # Tell all widget, that we want do disconnect, to save the settings
-            self.connection_disconnecting.emit()
-            self._save_settings()
-
-            with self._lck_cli:
-                if self._ps_started:
-                    try:
-                        self._cli.psstop()
-                    except Exception:
-                        pass
-                self._clear_settings()
-                self._cli = None
-
-            self.connection_disconnected.emit()
-
-    def pyload_simulate(self, configrsc: str, procimg: str, clean_existing: bool):
-        """Start the simulator for piControl on local computer."""
-        pi.logger.debug("ConnectionManager.start_simulate")
-
-        if not exists(procimg) or clean_existing:
-            with open(procimg, "wb") as fh:
-                fh.write(b'\x00' * 4096)
-
-        try:
-            import revpimodio2
-
-            # Prepare process image with default values for outputs
-            self._revpi_output = revpimodio2.RevPiModIO(configrsc=configrsc, procimg=procimg)
-            self._revpi_output.setdefaultvalues()
-            self._revpi_output.writeprocimg()
-
-            # This is our simulator to work with
-            self._revpi = revpimodio2.RevPiModIO(simulator=True, configrsc=configrsc, procimg=procimg)
-            self._revpi.setdefaultvalues()
-            self._revpi.writeprocimg()
-
-            self.xml_funcs = ["psstart", "psstop", "ps_devices", "ps_inps", "ps_outs", "ps_values", "ps_setvalue"]
-
-            self.connection_established.emit()
-
-        except Exception as e:
-            pi.logger.exception(e)
-            self.connection_error_observed.emit(str(e))
-            self._revpi_output = None
-            self._revpi = None
-            if settings.value("simulator/stop_remove", False, bool):
-                remove(procimg)
-
-        return self._revpi is not None
-
-    def refresh_xml_mode(self):
-        """Refresh XML ACL level after some change could be done."""
-        self._xml_mode_refresh = True
-
-    def reset_simulator(self):
-        """Reset all io to piCtory defaults."""
-        pi.logger.debug("ConnectionManager.reset_simulator")
-        if settings.value("simulator/restart_zero", False, bool):
-            with open(self._revpi.procimg, "wb") as fh:
-                fh.write(b'\x00' * 4096)
-            self._revpi.readprocimg()
-        else:
-            self._revpi_output.writeprocimg()
-            self._revpi.setdefaultvalues()
-            self._revpi.writeprocimg()
-
-    def run(self):
-        """Thread worker to check status of RevPiPyLoad."""
-        self.setPriority(QtCore.QThread.NormalPriority)
-
-        sp = None
-        while not self.isInterruptionRequested():
-
-            if self._revpi is not None:
-                sp = None
-                self.status_changed.emit("SIMULATING", "yellow")
-            elif self._cli is None:
-                sp = None
-                self.status_changed.emit("NOT CONNECTED", "lightblue")
-            elif not self._cli_connect.empty():
-                # Get new connection information to create object in this thread
-                item = self._cli_connect.get()
-                sp = ServerProxy("http://{0}:{1}".format(*item))
-                self._cli_connect.task_done()
-
-            if sp:
-                try:
-                    plc_exit_code = sp.plcexitcode()
-                    if self._xml_mode_refresh:
-                        self.xml_mode = sp.xmlmodus()
-                        self._xml_mode_refresh = False
-                except CannotSendRequest as e:
-                    pi.logger.warning(e)
-                except Exception as e:
-                    pi.logger.warning(e)
-                    self.status_changed.emit("SERVER ERROR", "red")
-                    self.connection_error_observed.emit("{0} | {1}".format(e, type(e)))
-                else:
-                    if plc_exit_code == -1:
-                        self.status_changed.emit("RUNNING", "green")
-                    elif plc_exit_code == -2:
-                        self.status_changed.emit("FILE NOT FOUND", "red")
-                    elif plc_exit_code == -3:
-                        self.status_changed.emit("NOT RUNNING (NO STATUS)", "yellow")
-                    elif plc_exit_code == -9:
-                        self.status_changed.emit("PROGRAM KILLED", "red")
-                    elif plc_exit_code == -15:
-                        self.status_changed.emit("PROGRAM TERMED", "red")
-                    elif plc_exit_code == 0:
-                        self.status_changed.emit("NOT RUNNING", "yellow")
-                    else:
-                        self.status_changed.emit("FINISHED WITH CODE {0}".format(plc_exit_code), "yellow")
-
-            self.msleep(self._cycle_time)
-
-    def call_remote_function(self, function_name: str, *args, default_value=None, raise_exception=False, **kwargs):
-        """
-        Save call of a remote function with given name and parameters on Revolution Pi.
-
-        :param function_name: Function to call on RevPiPyLoad
-        :param args: Functions arguments
-        :param default_value: Default value will be returned on error
-        :param raise_exception: Will raise the exception returned from server
-        :param kwargs: Functions key word arguments
-        :return: Return value of remote function or default_value
-        """
-        if self._cli is None and self._revpi is None:
-            pi.logger.error("Not connected while calling {0}".format(function_name))
-            if raise_exception:
-                raise ConnectionError("Connection manager not connected")
-            return default_value
-
-        reload_funcs = False
-        if function_name == "psstart":
-            self._ps_started = True
-            reload_funcs = True
-        elif function_name == "psstop":
-            self._ps_started = False
-            reload_funcs = True
-
-        # On connection problems do not freeze
-        if self._lck_cli.acquire(timeout=1.0):
-            if self._revpi is not None:
-                # Redirect call to simulator
-                return_value = self.__call_simulator(function_name, *args, default_value=default_value, **kwargs)
-            else:
-                try:
-                    return_value = getattr(self._cli, function_name)(*args, **kwargs)
-                    if reload_funcs:
-                        self.xml_funcs = self._cli.system.listMethods()
-                except Exception as e:
-                    pi.logger.error(e)
-                    if raise_exception:
-                        self._lck_cli.release()
-                        raise
-                    return_value = default_value
-
-            self._lck_cli.release()
-            return return_value
-
-        elif raise_exception:
-            raise ConnectionError("Can not get lock of connection")
-
-        return default_value
-
-    def get_cli(self):
-        """Connection proxy of actual connection."""
-        if self.address and self.port:
-            return ServerProxy("http://{0}:{1}".format(self.address, self.port))
-        else:
-            return None
-
-    @property
-    def connected(self) -> bool:
-        """True if we have an active connection."""
-        return self._cli is not None
-
-    @property
-    def simulating(self) -> bool:
-        """True, if simulating mode is running."""
-        return self._revpi is not None
-
-    @property
-    def simulating_configrsc(self) -> str:
-        return self._revpi.configrsc if self._revpi else ""
-
-    @property
-    def simulating_procimg(self) -> str:
-        return self._revpi.procimg if self._revpi else ""
-
-
-cm = ConnectionManager()
-"""Clobal connection manager instance."""
-
-settings = QtCore.QSettings("revpipyplc", "revpipyload")
-"""Global application settings."""
-
-homedir = environ.get("HOME", "") or environ.get("APPDATA", "")
-"""Home dir of user."""
--- a/setup.iss
+++ b/setup.iss
@@ -0,0 +1,48 @@
+; Script generated by the Inno Setup Script Wizard.
+; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
+
+#define MyAppName "RevPi Commander"
+#define MyAppVersion "0.9.10rc2"
+#define MyAppPublisher "Sven Sager"
+#define MyAppURL "https://revpimodio.org/"
+#define MyAppICO "data\revpicommander.ico"
+
+[Setup]
+; NOTE: The value of AppId uniquely identifies this application. Do not use the same AppId value in installers for other applications.
+; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
+AppId={{21E8D429-0C18-462F-AFC0-56EA664DE629}
+AppName={#MyAppName}
+AppVersion={#MyAppVersion}
+;AppVerName={#MyAppName} {#MyAppVersion}
+AppPublisher={#MyAppPublisher}
+AppPublisherURL={#MyAppURL}
+AppSupportURL={#MyAppURL}
+AppUpdatesURL={#MyAppURL}
+DefaultDirName={autopf}\{#MyAppName}
+DisableProgramGroupPage=yes
+LicenseFile=LICENSE.txt
+; Uncomment the following line to run in non administrative install mode (install for current user only.)
+;PrivilegesRequired=lowest
+PrivilegesRequiredOverridesAllowed=dialog
+OutputDir=dist
+OutputBaseFilename={#MyAppName} {#MyAppVersion}
+SetupIconFile={#MyAppICO}
+Compression=lzma
+SolidCompression=yes
+WizardStyle=modern
+
+[Languages]
+Name: "english"; MessagesFile: "compiler:Default.isl"
+Name: "german"; MessagesFile: "compiler:Languages\German.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
+
+[Files]
+Source: "dist\{#MyAppName}\{#MyAppName}.exe"; DestDir: "{app}"; Flags: ignoreversion
+Source: "dist\{#MyAppName}\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+; NOTE: Don't use "Flags: ignoreversion" on any shared system files
+
+[Icons]
+Name: "{autoprograms}\{#MyAppName}"; Filename: "{app}\{#MyAppName}.exe"
+Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\{#MyAppName}.exe"; Tasks: desktopicon
--- a/setup.py
+++ b/setup.py
@@ -1,55 +1,47 @@
 # -*- coding: utf-8 -*-
-"""Setupscript fuer RevPiPyLoad."""
+"""Setupscript for RevPiCommander."""
 __author__ = "Sven Sager"
 __copyright__ = "Copyright (C) 2018 Sven Sager"
-__license__ = "LGPLv3"
-
-import distutils.command.install_egg_info
-from distutils.core import setup
-from glob import glob
-
-
-class MyEggInfo(distutils.command.install_egg_info.install_egg_info):
-
-    u"""Disable egg_info installation, seems pointless for a non-library."""
-
-    def run(self):
-        u"""just pass egg_info."""
-        pass
+__license__ = "GPLv3"

+from setuptools import find_namespace_packages, setup

 setup(
-    version="0.9.2",
-    python_requires="~=3.4",
-    requires=["PyQt5", "revpimodio2", "zeroconf"],
-
-    scripts=["data/revpicommander"],
-    data_files=[
-        ("share/applications", ["data/revpicommander.desktop"]),
-        ("share/icons/hicolor/32x32/apps", ["data/revpicommander.png"]),
-        ("share/revpicommander", glob("revpicommander/*.py")),
-        ("share/revpicommander/ui", glob("include/ui/*.py")),
-        ("share/revpicommander/locale/", glob("revpicommander/locale/*.qm")),
-    ],
-
-    # Additional meta-data
    name="revpicommander",
+    version="0.9.10rc2",
+
+    packages=find_namespace_packages("src"),
+    package_dir={'': 'src'},
+    include_package_data=True,
+
+    install_requires=[
+        "keyring",
+        "PyQt5",
+        "revpimodio2",
+        "zeroconf"
+    ],
+    entry_points={
+        'gui_scripts': [
+            'revpicommander-gui = revpicommander.revpicommander:main',
+        ],
+    },
+
+    platforms=["all"],
+
+    url="https://revpimodio.org/revpipyplc/",
+    license="GPLv3",
    author="Sven Sager",
    author_email="akira@narux.de",
    maintainer="Sven Sager",
    maintainer_email="akira@revpimodio.org",
-    url="https://revpimodio.org/revpipyplc/",
    description="GUI for Revolution Pi to upload programs and do IO-Checks",
-    long_description=""
-    "The RevPiCommander is a GUI tool to manage your revolution Pi over the\n"
-    "network. You can search for RevPis in your network, manage the settings\n"
-    "of RevPiPyLoad and do IO checks on your local machine. Developing your\n"
-    "control program is very easy with the developer, upload and debug it\n"
-    "over the network.",
+    long_description="The RevPiCommander is a GUI tool to manage your revolution Pi over the\n"
+                     "network. You can search for RevPis in your network, manage the settings\n"
+                     "of RevPiPyLoad and do IO checks on your local machine. Developing your\n"
+                     "control program is very easy with the developer, upload and debug it\n"
+                     "over the network.",
+    keywords=["revpi", "revolution pi", "revpimodio", "plc"],
    classifiers=[
        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
-        "Operating System :: POSIX :: Linux",
    ],
-    license="GPLv3",
-    cmdclass={"install_egg_info": MyEggInfo},
 )
--- a/src/revpicommander/init.py
+++ b/src/revpicommander/init.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+"""Package: RevPiCommander."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
--- a/src/revpicommander/main.py
+++ b/src/revpicommander/main.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+"""Start main application of this package."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+# If we are running from a wheel, add the wheel to sys.path
+if __package__ == "":
+    from os.path import dirname
+    from sys import path
+
+    # __file__ is package-*.whl/package/__main__.py
+    # Resulting path is the name of the wheel itself
+    package_path = dirname(dirname(__file__))
+    path.insert(0, package_path)
+
+if __name__ == "__main__":
+    import sys
+    from revpicommander.revpicommander import main
+
+    # Run the main application of this package
+    sys.exit(main())
--- a/src/revpicommander/aclmanager.py
+++ b/src/revpicommander/aclmanager.py
@@ -1,15 +1,15 @@
 # -*- coding: utf-8 -*-
 """Manager for ACL lists."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from re import compile

 from PyQt5 import QtCore, QtGui, QtWidgets

-from helper import WidgetData
-from ui.aclmanager_ui import Ui_diag_aclmanager
+from .helper import WidgetData
+from .ui.aclmanager_ui import Ui_diag_aclmanager


 class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
@@ -85,7 +85,7 @@ class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
                )
            ) == QtWidgets.QMessageBox.Yes
            if ask:
-                self.on_btn_add_pressed()
+                self.on_btn_add_clicked()

        if self.__check_load_error():
            return
@@ -252,11 +252,11 @@ class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
        self.btn_remove.setEnabled(not self.__read_only and selected_rows > 0)

    @QtCore.pyqtSlot()
-    def on_btn_edit_pressed(self):
+    def on_btn_edit_clicked(self):
        self.__load_selected_entry()

    @QtCore.pyqtSlot()
-    def on_btn_remove_pressed(self):
+    def on_btn_remove_clicked(self):
        lst_selected_row_indexes = [mi.row() for mi in self.tb_acls.selectionModel().selectedRows(0)]
        if len(lst_selected_row_indexes) == 0:
            return
@@ -355,7 +355,7 @@ class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
        self._check_all_filled()

    @QtCore.pyqtSlot()
-    def on_btn_add_pressed(self):
+    def on_btn_add_clicked(self):
        """Add a new entry to acl table."""
        ip_level = "{0}.{1}.{2}.{3},{4}".format(
            self.txt_ip_a.text(),
@@ -366,7 +366,7 @@ class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
        )
        if self.__re_ipacl.match(ip_level):
            self.__table_add_acl(ip_level)
-            self.on_btn_clear_pressed()
+            self.on_btn_clear_clicked()
        else:
            QtWidgets.QMessageBox.critical(
                self, self.tr("Error"), self.tr(
@@ -376,7 +376,7 @@ class AclManager(QtWidgets.QDialog, Ui_diag_aclmanager):
            )

    @QtCore.pyqtSlot()
-    def on_btn_clear_pressed(self):
+    def on_btn_clear_clicked(self):
        """Clear entry widgets."""
        self.txt_ip_a.clear()
        self.txt_ip_b.clear()
--- a/src/revpicommander/avahisearch.py
+++ b/src/revpicommander/avahisearch.py
@@ -0,0 +1,381 @@
+# -*- coding: utf-8 -*-
+"""Revolution Pi search with zeroconf."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+import webbrowser
+from re import compile
+from sys import platform
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+from zeroconf import IPVersion, ServiceBrowser, Zeroconf
+
+from . import helper
+from . import proginit as pi
+from .helper import RevPiSettings, WidgetData, all_revpi_settings
+from .ui.avahisearch_ui import Ui_diag_search
+
+
+class AvahiSearchThread(QtCore.QThread):
+    """Search thread for Revolution Pi with installed RevPiPyLoad."""
+    added = QtCore.pyqtSignal(str, str, int, str, str)
+    removed = QtCore.pyqtSignal(str, str)
+    updated = QtCore.pyqtSignal(str, str, int, str, str)
+
+    def __init__(self, parent=None):
+        super(AvahiSearchThread, self).__init__(parent)
+        self._cycle_wait_ms = 1000
+
+        self.re_posix = compile(
+            r"(?P<ip>(\d{1,3}\.){3}\d{1,3}).*"
+            r"(?P<mac>([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2})"
+        )
+
+    def remove_service(self, zeroconf: Zeroconf, conf_type: str, name: str) -> None:
+        """Revolution Pi disappeared."""
+        pi.logger.debug("AvahiSearchThread.remove_service")
+        self.removed.emit(name, conf_type)
+
+    def add_service(self, zeroconf: Zeroconf, conf_type: str, name: str) -> None:
+        """New Revolution Pi found."""
+        pi.logger.debug("AvahiSearchThread.add_service")
+        info = zeroconf.get_service_info(conf_type, name)
+        if not info:
+            return
+
+        for ip in info.parsed_addresses(IPVersion.V4Only):
+            self.added.emit(name, info.server, info.port, conf_type, ip)
+
+    def update_service(self, zeroconf: Zeroconf, conf_type: str, name: str) -> None:
+        """New data of revolution pi"""
+        pi.logger.debug("AvahiSearchThread.add_service")
+        info = zeroconf.get_service_info(conf_type, name)
+        if not info:
+            return
+
+        for ip in info.parsed_addresses(IPVersion.V4Only):
+            self.updated.emit(name, info.server, info.port, conf_type, ip)
+
+    def run(self) -> None:
+        pi.logger.debug("Started zero conf discovery.")
+        zeroconf = Zeroconf()
+        revpi_browser = ServiceBrowser(zeroconf, "_revpipyload._tcp.local.", self)
+        while not self.isInterruptionRequested():
+            # Just hanging around :)
+            self.msleep(self._cycle_wait_ms)
+        zeroconf.close()
+        pi.logger.debug("Stopped zero conf discovery.")
+
+
+class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
+
+    def __init__(self, parent=None):
+        super(AvahiSearch, self).__init__(parent)
+        self.setupUi(self)
+
+        # Global variables to let parent decide other actions
+        self.connect_settings = None
+        self.just_save = False
+
+        # Local variables
+        self.clipboard = QtGui.QGuiApplication.clipboard()
+        self._th_zero_conf = AvahiSearchThread(self)
+
+        self.tb_revpi.setColumnWidth(0, 250)
+        self.btn_connect.setEnabled(False)
+        self.btn_save.setEnabled(False)
+
+        self.restoreGeometry(helper.settings.value("avahisearch/geo", b''))
+        column_sizes = helper.settings.value("avahisearch/column_sizes", [], type=list)
+        if len(column_sizes) == self.tb_revpi.columnCount():
+            for i in range(self.tb_revpi.columnCount()):
+                self.tb_revpi.setColumnWidth(i, int(column_sizes[i]))
+
+        # Global context menus
+        self.cm_connect_actions = QtWidgets.QMenu(self)
+        self.cm_connect_actions.addAction(self.act_connect_ssh)
+        self.cm_connect_actions.addAction(self.act_connect_xmlrpc)
+
+        self.cm_quick_actions = QtWidgets.QMenu(self)
+        self.cm_quick_actions.addAction(self.act_connect)
+        self.cm_quick_actions.addAction(self.act_connect_ssh)
+        self.cm_quick_actions.addAction(self.act_connect_xmlrpc)
+        self.cm_quick_actions.addSeparator()
+        self.cm_quick_actions.addAction(self.act_open_pictory)
+        self.cm_quick_actions.addSeparator()
+        self.cm_quick_actions.addAction(self.act_copy_host)
+        self.cm_quick_actions.addAction(self.act_copy_ip)
+
+        self.tb_revpi.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+        self.tb_revpi.customContextMenuRequested.connect(self._cm_quick_exec)
+
+    @QtCore.pyqtSlot(QtCore.QPoint)
+    def _cm_quick_exec(self, position: QtCore.QPoint) -> None:
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        revpi_settings = bool(item.data(WidgetData.revpi_settings))
+        self.act_connect.setVisible(revpi_settings)
+        self.act_connect_ssh.setVisible(not revpi_settings)
+        self.act_connect_xmlrpc.setVisible(not revpi_settings)
+
+        sender = self.sender()
+        self.cm_quick_actions.exec(sender.mapToGlobal(position))
+
+        self.act_connect.setVisible(True)
+        self.act_connect_ssh.setVisible(True)
+        self.act_connect_xmlrpc.setVisible(True)
+
+    @staticmethod
+    def _find_settings(address: str) -> list[RevPiSettings]:
+        """Find all settings with known avahi_id."""
+        return [
+            revpi_setting
+            for revpi_setting in all_revpi_settings()
+            if revpi_setting.address.lower() == address.lower()
+        ]
+
+    def _restart_search(self) -> None:
+        """Clean up and restart search thread."""
+        while self.tb_revpi.rowCount() > 0:
+            # Remove each row, a .clean would destroy the columns
+            self.tb_revpi.removeRow(0)
+
+        self._th_zero_conf.requestInterruption()
+
+        self._th_zero_conf = AvahiSearchThread(self)
+        self._th_zero_conf.added.connect(self.on_avahi_added)
+        self._th_zero_conf.updated.connect(self.on_avahi_added)
+        self._th_zero_conf.removed.connect(self.on_avahi_removed)
+        self._th_zero_conf.start()
+
+    def _create_settings_object(self, row: int, ssh_tunnel: bool) -> RevPiSettings or None:
+        """
+        Create settings object from given row to settings.
+
+        :param row: Row with connection data
+        :param ssh_tunnel: Save as SSH tunnel connection
+        :return: RevPi settings with data from avahi search and default values
+        """
+        item = self.tb_revpi.item(row, 0)
+        if not item:
+            return None
+
+        settings = RevPiSettings()
+        settings.folder = self.tr("Auto discovered")
+        settings.name = item.data(WidgetData.host_name)
+        settings.address = item.data(WidgetData.address)
+        settings.port = item.data(WidgetData.port)
+        settings.ssh_use_tunnel = ssh_tunnel
+
+        return settings
+
+    def closeEvent(self, a0: QtGui.QCloseEvent) -> None:
+        helper.settings.setValue("avahisearch/geo", self.saveGeometry())
+        helper.settings.setValue("avahisearch/column_sizes", [
+            self.tb_revpi.columnWidth(i)
+            for i in range(self.tb_revpi.columnCount())
+        ])
+
+    def exec(self) -> int:
+        self.connect_settings = None
+        self.just_save = False
+        self._restart_search()
+        rc = super(AvahiSearch, self).exec()
+        self._th_zero_conf.requestInterruption()
+        return rc
+
+    @QtCore.pyqtSlot()
+    def on_act_connect_triggered(self) -> None:
+        """Connect via existing settings or ask for type."""
+        pi.logger.debug("AvahiSearch.on_act_connect_triggered")
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        revpi_settings = item.data(WidgetData.revpi_settings)  # type: RevPiSettings
+        if not revpi_settings:
+            return
+        self.connect_settings = revpi_settings
+        self.accept()
+
+    @QtCore.pyqtSlot()
+    def on_act_connect_ssh_triggered(self) -> None:
+        """Create new revpi settings with ssh, save and connect."""
+        pi.logger.debug("AvahiSearch.on_act_connect_ssh_triggered")
+        if self.tb_revpi.currentRow() == -1:
+            return
+
+        revpi_settings = self._create_settings_object(self.tb_revpi.currentRow(), True)
+        revpi_settings.save_settings()
+        self.connect_settings = revpi_settings
+        self.accept()
+
+    @QtCore.pyqtSlot()
+    def on_act_connect_xmlrpc_triggered(self) -> None:
+        """Create new revpi settings with XML-RPC, save and connect."""
+        pi.logger.debug("AvahiSearch.on_act_connect_xmlrpc_triggered")
+        if self.tb_revpi.currentRow() == -1:
+            return
+
+        revpi_settings = self._create_settings_object(self.tb_revpi.currentRow(), False)
+        revpi_settings.save_settings()
+        self.connect_settings = revpi_settings
+        self.accept()
+
+    @QtCore.pyqtSlot()
+    def on_act_copy_host_triggered(self) -> None:
+        """Copy hostname of selected item to clipboard."""
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        # Use just the hostname on Windows systems, it can not resolve .local addresses
+        self.clipboard.setText(
+            item.data(WidgetData.host_name) if platform == "win32"
+            else item.data(WidgetData.host_name_full)
+        )
+
+    @QtCore.pyqtSlot()
+    def on_act_copy_ip_triggered(self) -> None:
+        """Copy ip address of selected item to clipboard."""
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+        self.clipboard.setText(item.data(WidgetData.address))
+
+    @QtCore.pyqtSlot()
+    def on_act_open_pictory_triggered(self) -> None:
+        """Open piCtory in default browser of operating system."""
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        # Till we could not choose https / http we are using the ip address
+        webbrowser.open("http://{0}/".format(item.data(WidgetData.address)))
+
+    @QtCore.pyqtSlot(str, str, int, str, str)
+    def on_avahi_added(self, avahi_id: str, server: str, port: int, conf_type: str, ip: str) -> None:
+        """New Revolution Pi found."""
+
+        def update_tb_revpi_row(row_index: int):
+            host_name_full = server[:-1]
+            host_name = host_name_full[:host_name_full.find(".")]
+
+            item_name = self.tb_revpi.item(row_index, 0)
+            item_name.setData(WidgetData.address, ip)
+            item_name.setData(WidgetData.port, port)
+            item_name.setData(WidgetData.host_name_full, host_name_full)
+            item_name.setData(WidgetData.host_name, host_name)
+
+            revpi_settings = item_name.data(WidgetData.revpi_settings)  # type: RevPiSettings
+            if revpi_settings:
+                # Generate the name of saved revpi and show the avahi-name in brackets
+                settings_text = "{0}/{1}".format(revpi_settings.folder, revpi_settings.name) \
+                    if revpi_settings.folder \
+                    else revpi_settings.name
+                if revpi_settings.ssh_use_tunnel:
+                    settings_text += self.tr(" over SSH")
+                item_name.setText("{0} ({1})".format(settings_text, host_name))
+            else:
+                item_name.setText(host_name)
+            item_name.setToolTip(item_name.text())
+
+            item_ip = self.tb_revpi.item(row_index, 1)
+            item_ip.setText(ip)
+            item_ip.setToolTip(item_name.text())
+
+        lst_existing = self._find_settings(ip)
+
+        exists = False
+        for i in range(self.tb_revpi.rowCount()):
+            item_tb_revpi = self.tb_revpi.item(i, 0)
+            if item_tb_revpi.data(WidgetData.object_name) == avahi_id:
+                # Object already discovered
+                update_tb_revpi_row(i)
+                exists = True
+
+        if not exists:
+            for known_settings in lst_existing or [None]:
+                item_name = QtWidgets.QTableWidgetItem()
+
+                item_name.setIcon(QtGui.QIcon(":/main/ico/cpu.ico"))
+                item_name.setData(WidgetData.object_name, avahi_id)
+                item_name.setData(WidgetData.revpi_settings, known_settings)
+
+                index = self.tb_revpi.rowCount()
+                self.tb_revpi.insertRow(index)
+                self.tb_revpi.setItem(index, 0, item_name)
+                self.tb_revpi.setItem(index, 1, QtWidgets.QTableWidgetItem())
+
+                update_tb_revpi_row(index)
+
+    @QtCore.pyqtSlot(str, str)
+    def on_avahi_removed(self, avahi_id: str, conf_type: str) -> None:
+        """Revolution Pi disappeared."""
+        for i in range(self.tb_revpi.rowCount()):
+            if self.tb_revpi.item(i, 0).data(WidgetData.object_name) == avahi_id:
+                self.tb_revpi.removeRow(i)
+                break
+
+    @QtCore.pyqtSlot(int, int)
+    def on_tb_revpi_cellDoubleClicked(self, row: int, column: int) -> None:
+        """Connect to double-clicked Revolution Pi."""
+        pi.logger.debug("AvahiSearch.on_tb_revpi_cellDoubleClicked")
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        revpi_settings = bool(item.data(WidgetData.revpi_settings))
+        if revpi_settings:
+            self.act_connect.trigger()
+        else:
+            cur = QtGui.QCursor()
+            self.cm_connect_actions.exec(cur.pos())
+
+    @QtCore.pyqtSlot(int, int, int, int)
+    def on_tb_revpi_currentCellChanged(self, row: int, column: int, last_row: int, last_column: int) -> None:
+        """Manage state of buttons."""
+        self.btn_connect.setEnabled(row >= 0)
+        self.btn_save.setEnabled(row >= 0)
+
+    @QtCore.pyqtSlot()
+    def on_btn_connect_clicked(self) -> None:
+        """Connect to selected Revolution Pi."""
+        pi.logger.debug("AvahiSearch.on_btn_connect_clicked")
+        selected_items = self.tb_revpi.selectedItems()
+        if not selected_items:
+            return
+        item = selected_items[0]
+
+        revpi_settings = bool(item.data(WidgetData.revpi_settings))
+        if revpi_settings:
+            self.act_connect.trigger()
+        else:
+            pos_context_menu = self.btn_connect.pos()
+            pos_context_menu.setY(pos_context_menu.y() + self.btn_connect.height())
+            self.cm_connect_actions.exec(self.mapToGlobal(pos_context_menu))
+
+    @QtCore.pyqtSlot()
+    def on_btn_save_clicked(self) -> None:
+        """Save selected Revolution Pi."""
+        pi.logger.debug("AvahiSearch.on_btn_save_clicked")
+        row_index = self.tb_revpi.currentRow()
+        if row_index == -1:
+            return
+        self.connect_settings = self._create_settings_object(row_index, True)
+        self.just_save = True
+        self.accept()
+
+    @QtCore.pyqtSlot()
+    def on_btn_restart_clicked(self) -> None:
+        """Clean up and restart search thread."""
+        self._restart_search()
--- a/src/revpicommander/backgroundworker.py
+++ b/src/revpicommander/backgroundworker.py
@@ -0,0 +1,103 @@
+# -*- coding: utf-8 -*-
+"""File transfer system to handle QThreads."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+from logging import getLogger
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+from .ui.backgroundworker_ui import Ui_diag_backgroundworker
+
+log = getLogger()
+
+
+class BackgroundWorker(QtCore.QThread):
+    steps_todo = QtCore.pyqtSignal(int)
+    steps_done = QtCore.pyqtSignal(int)
+    status_message = QtCore.pyqtSignal(str)
+
+    def __init__(self, parent=None):
+        super(BackgroundWorker, self).__init__(parent)
+
+    def check_cancel(self) -> bool:
+        """
+        Check for interruption of thread and show message
+
+        :return: True, if interruption was requested
+        """
+        if self.isInterruptionRequested():
+            self.status_message.emit(self.tr("User requested cancellation..."))
+            self.msleep(750)
+            return True
+        return False
+
+    def exec_dialog(self) -> int:
+        diag = WorkerDialog(self, self.parent())
+        rc = diag.exec()
+        diag.deleteLater()
+        return rc
+
+    def wait_interruptable(self, seconds=-1) -> None:
+        """Save function to wait and get the cancel buttons."""
+        counter = seconds * 4
+        while counter != 0:
+            counter -= 1
+            self.msleep(250)
+            if self.check_cancel():
+                break
+
+    def run(self) -> None:
+        """Worker thread to import pictures from camera."""
+        log.debug("BackgroundWorker.run")
+        self.status_message.emit("Started dummy thread...")
+        self.wait_interruptable(5)
+        self.status_message.emit("Completed dummy thread.")
+        self.wait_interruptable(2)
+
+
+class WorkerDialog(QtWidgets.QDialog, Ui_diag_backgroundworker):
+
+    def __init__(self, worker_thread: BackgroundWorker, parent=None):
+        """
+        Base of dialog to show progress from a background thread.
+
+        :param worker_thread: Thread with the logic work to do
+        :param parent: QtWidget
+        """
+        super(WorkerDialog, self).__init__(parent)
+        self.setupUi(self)
+
+        self._canceled = False
+
+        self._th = worker_thread
+        self._th.finished.connect(self.on_th_finished)
+        self._th.steps_todo.connect(self.pgb_status.setMaximum)
+        self._th.steps_done.connect(self.pgb_status.setValue)
+        self._th.status_message.connect(self.lbl_status.setText)
+
+    def closeEvent(self, a0: QtGui.QCloseEvent) -> None:
+        a0.ignore()
+
+    def exec(self) -> int:
+        self._th.start()
+        return super(WorkerDialog, self).exec()
+
+    @QtCore.pyqtSlot()
+    def on_th_finished(self) -> None:
+        """Check the result of import thread."""
+        if self._canceled:
+            self.reject()
+        else:
+            self.accept()
+
+    @QtCore.pyqtSlot(QtWidgets.QAbstractButton)
+    def on_btn_box_clicked(self, button: QtWidgets.QAbstractButton) -> None:
+        """Control buttons for dialog."""
+        role = self.btn_box.buttonRole(button)
+        log.debug("WorkerDialog.on_btn_box_clicked({0})".format(role))
+
+        if role == QtWidgets.QDialogButtonBox.RejectRole:
+            self._th.requestInterruption()
+            self._canceled = True
--- a/src/revpicommander/debugcontrol.py
+++ b/src/revpicommander/debugcontrol.py
@@ -1,18 +1,18 @@
 # -*- coding: utf-8 -*-
 """Debug control widget to append to main window."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2020 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 import pickle
 from xmlrpc.client import Binary, Fault, MultiCall, MultiCallIterator

-from PyQt5 import QtCore, QtWidgets
+from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from debugios import DebugIos
-from ui.debugcontrol_ui import Ui_wid_debugcontrol
+from . import helper
+from . import proginit as pi
+from .debugios import DebugIos
+from .ui.debugcontrol_ui import Ui_wid_debugcontrol


 class PsValues(QtCore.QThread):
@@ -74,7 +74,17 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
            QtWidgets.QSpacerItem(20, 1, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
        )
        self.cbx_write.setEnabled(False)
-        self.cbx_stay_on_top.setChecked(helper.settings.value("stay_on_top", False, bool))
+        self.cbx_stay_on_top.setChecked(helper.settings.value("debugcontrol/stay_on_top", False, bool))
+
+        self.shc_read_io = QtWidgets.QShortcut(QtGui.QKeySequence("F4"), self)
+        self.shc_read_io.setContext(QtCore.Qt.ApplicationShortcut)
+        self.shc_read_io.activated.connect(self.on_btn_read_io_pressed)
+        self.shc_refresh_io = QtWidgets.QShortcut(QtGui.QKeySequence("F5"), self)
+        self.shc_refresh_io.setContext(QtCore.Qt.ApplicationShortcut)
+        self.shc_refresh_io.activated.connect(self.on_btn_refresh_io_pressed)
+        self.shc_write_o = QtWidgets.QShortcut(QtGui.QKeySequence("F6"), self)
+        self.shc_write_o.setContext(QtCore.Qt.ApplicationShortcut)
+        self.shc_write_o.activated.connect(self.on_btn_write_o_clicked)

    def __del__(self):
        pi.logger.debug("DebugControl.__del__")
@@ -186,7 +196,7 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):

                win = self.dict_windows[position]
                for io in self.dict_ios[io_type][position]:  # type: list
-                    # ['name', bitlength, byte_address, 'bmk', bitaddress, 'byteorder', signed]
+                    # ['name', bytelen, byte_address, 'bmk', bitaddress, 'byteorder', signed]
                    value_procimg = bytes(ba_values[io[2]:io[2] + io[1]])
                    if io[4] >= 0:
                        # Bit-IO
@@ -323,8 +333,6 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
                dict_inps[position], dict_outs[position]
            )
            win.device_closed.connect(self.on_device_closed)
-            win.do_read.connect(self.btn_refresh_io.pressed)
-            win.do_write.connect(self.btn_write_o.pressed)
            self.dict_windows[position] = win

            btn = QtWidgets.QPushButton(self.gb_devices)
@@ -342,7 +350,7 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
        self._work_values(refresh=True)
        self._set_gui_control_states()

-        self.cbx_refresh.setChecked(helper.settings.value("auto_refresh", False, bool))
+        self.cbx_refresh.setChecked(helper.settings.value("debugcontrol/auto_refresh", False, bool))

        return True

@@ -380,9 +388,9 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
            self._work_values(refresh=True)

    @QtCore.pyqtSlot()
-    def on_btn_write_o_pressed(self):
+    def on_btn_write_o_clicked(self):
        """Write outputs."""
-        pi.logger.debug("DebugControl.on_btn_write_o_pressed")
+        pi.logger.debug("DebugControl.on_btn_write_o_clicked")
        if not self.cbx_write.isChecked() and (helper.cm.xml_mode >= 3 or helper.cm.simulating):
            for win in self.dict_windows.values():  # type: DebugIos
                win.reset_label_colors()
@@ -415,12 +423,12 @@ class DebugControl(QtWidgets.QWidget, Ui_wid_debugcontrol):
    @QtCore.pyqtSlot(bool)
    def on_cbx_refresh_clicked(self, state: bool):
        """Save the state on user action."""
-        helper.settings.setValue("auto_refresh", state)
+        helper.settings.setValue("debugcontrol/auto_refresh", state)

    @QtCore.pyqtSlot(bool)
    def on_cbx_stay_on_top_clicked(self, state: bool):
        """Save the state on user action."""
-        helper.settings.setValue("stay_on_top", state)
+        helper.settings.setValue("debugcontrol/stay_on_top", state)

    @QtCore.pyqtSlot(int)
    def on_cbx_write_stateChanged(self, state: int):
--- a/src/revpicommander/debugios.py
+++ b/src/revpicommander/debugios.py
@@ -1,16 +1,16 @@
 # -*- coding: utf-8 -*-
 """One device of the Revolution Pi."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2020 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 import struct

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from ui.debugios_ui import Ui_win_debugios
+from . import helper
+from . import proginit as pi
+from .ui.debugios_ui import Ui_win_debugios


 class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
@@ -18,15 +18,14 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):

    device_closed = QtCore.pyqtSignal(int)
    """This window was closed."""
-    do_read = QtCore.pyqtSignal()
-    do_write = QtCore.pyqtSignal()
+
    search_class = (QtWidgets.QLineEdit, QtWidgets.QDoubleSpinBox, QtWidgets.QCheckBox)

    def __init__(self, position: int, name: str, inputs: list, outputs: list, parent=None):
        super(DebugIos, self).__init__(parent)
        self.setupUi(self)

-        self.restoreGeometry(helper.cm.debug_geos.get(position, b''))
+        self.restoreGeometry(helper.cm.settings.debug_geos.get(position, b''))
        self.setWindowTitle("{0} - {1}".format(position, name))
        self.gb_io.setTitle(self.gb_io.title().format(name))

@@ -48,17 +47,12 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
        self._create_io(self.outputs, self.saw_out, False)
        self.style_sheet = "background-color: red;"

-        shc_read = QtWidgets.QShortcut(QtGui.QKeySequence("F5"), self)
-        shc_read.activated.connect(self.do_read)
-        shc_write = QtWidgets.QShortcut(QtGui.QKeySequence("F6"), self)
-        shc_write.activated.connect(self.do_write)
-
    def __del__(self):
        pi.logger.debug("DebugIos.__del__")

    def closeEvent(self, a0: QtGui.QCloseEvent):
        pi.logger.debug("DebugIos.closeEvent")
-        helper.cm.debug_geos[self.position] = self.saveGeometry()
+        helper.cm.settings.debug_geos[self.position] = self.saveGeometry()
        self.device_closed.emit(self.position)

    @staticmethod
@@ -340,19 +334,26 @@ class DebugIos(QtWidgets.QMainWindow, Ui_win_debugios):
        :param value: New value as bytes or bool for widget
        :param just_last_value: Just set last value property
        """
-        # child = self.findChild(self.search_class, io_name)
        child = self.__qwa[io_name]
        if child.property("frm"):
            value = struct.unpack(child.property("frm"), value)[0]
        elif type(value) == bytes:
+            if child.property("struct_type") == "text":
+                try:
+                    value = value.decode("utf-8")
+                except UnicodeDecodeError:
+                    child.setProperty("struct_type", "number")
+                    QtWidgets.QMessageBox.warning(
+                        self, self.tr("Can not use format text"), self.tr(
+                            "Can not convert bytes {0} to a text for IO '{1}'. Switch to number format instead!"
+                        ).format(value, io_name)
+                    )
            if child.property("struct_type") == "number":
                value = str(int.from_bytes(
                    value,
                    byteorder="big" if child.property("big_endian") else "little",
                    signed=child.property("signed") or False
                ))
-            else:
-                value = value.decode()

        child.setProperty("last_value", value)
        if not just_last_value:
--- a/src/revpicommander/helper.py
+++ b/src/revpicommander/helper.py
@@ -0,0 +1,692 @@
+# -*- coding: utf-8 -*-
+"""Helper functions for this application."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+import pickle
+import socket
+from enum import IntEnum
+from http.client import CannotSendRequest
+from os import environ, remove
+from os.path import exists
+from queue import Queue
+from threading import Lock
+from uuid import uuid4
+from xmlrpc.client import Binary, ServerProxy
+
+from PyQt5 import QtCore, QtWidgets
+from paramiko.ssh_exception import AuthenticationException
+
+from . import proginit as pi
+from .ssh_tunneling.server import SSHLocalTunnel
+from .sshauth import SSHAuth
+
+settings = QtCore.QSettings("revpimodio.org", "RevPiCommander")
+"""Global application settings."""
+
+homedir = environ.get("HOME", "") or environ.get("APPDATA", "")
+"""Home dir of user."""
+
+
+class WidgetData(IntEnum):
+    address = 260
+    acl_level = 262
+    has_error = 263
+    port = 264
+    object_name = 265
+    host_name = 267
+    host_name_full = 268
+    file_name = 309
+    revpi_settings = 320
+
+
+class RevPiSettings:
+
+    def __init__(self, load_index: int = None, settings_storage: QtCore.QSettings = None):
+        """
+        Revolution Pi saved settings.
+
+        :param load_index: Load settings from index, same as .load_from_index
+        :param settings_storage: Change QSettings object to work on from default to this one
+        """
+        self._settings = settings_storage or settings
+        self.internal_id = ""
+
+        self.name = "New connection"
+        self.folder = ""
+        self.address = "127.0.0.1"
+        self.port = 55123
+        self.timeout = 5
+
+        self.ssh_use_tunnel = True
+        self.ssh_port = 22
+        self.ssh_user = "pi"
+        self.ssh_saved_password = False
+
+        self.last_dir_upload = "."
+        self.last_file_upload = "."
+        self.last_dir_pictory = "."
+        self.last_dir_picontrol = "."
+        self.last_dir_selected = "."
+        self.last_pictory_file = ""
+        self.last_tar_file = ""
+        self.last_zip_file = ""
+        self.watch_files = []
+        self.watch_path = ""
+
+        self.debug_geos = {}
+
+        if load_index is not None:
+            self.load_from_index(load_index)
+
+    def load_from_index(self, settings_index: int) -> None:
+        """Load settings from 'connections' index."""
+        self._settings.beginReadArray("connections")
+        self._settings.setArrayIndex(settings_index)
+
+        # Flag as "legacy" connection to generate missing internal_id on save_settings()
+        self.internal_id = self._settings.value("internal_id", "legacy", type=str)
+
+        self.name = self._settings.value("name", type=str)
+        self.folder = self._settings.value("folder", "", type=str)
+        self.address = self._settings.value("address", type=str)
+        self.port = self._settings.value("port", 55123, type=int)
+        self.timeout = self._settings.value("timeout", 5, type=int)
+
+        self.ssh_use_tunnel = self._settings.value("ssh_use_tunnel", True, type=bool)
+        self.ssh_port = self._settings.value("ssh_port", 22, type=int)
+        self.ssh_user = self._settings.value("ssh_user", "pi", type=str)
+        self.ssh_saved_password = self._settings.value("ssh_saved_password", False, type=bool)
+
+        self.last_dir_upload = self._settings.value("last_dir_upload", ".", type=str)
+        self.last_file_upload = self._settings.value("last_file_upload", ".", type=str)
+        self.last_dir_pictory = self._settings.value("last_dir_pictory", ".", type=str)
+        self.last_dir_picontrol = self._settings.value("last_dir_picontrol", ".", type=str)
+        self.last_dir_selected = self._settings.value("last_dir_selected", ".", type=str)
+        self.last_pictory_file = self._settings.value("last_pictory_file", "", type=str)
+        self.last_tar_file = self._settings.value("last_tar_file", "", type=str)
+        self.last_zip_file = self._settings.value("last_zip_file", "", type=str)
+        self.watch_files = self._settings.value("watch_files", [], type=list)
+        self.watch_path = self._settings.value("watch_path", "", type=str)
+
+        try:
+            # Bytes with QSettings are a little difficult sometimes
+            self.debug_geos = self._settings.value("debug_geos", {}, type=dict)
+        except Exception:
+            # Just drop the geos of IO windows
+            pass
+
+        # These values must exists
+        if not (self.name and self.address and self.port):
+            raise ValueError("Could not geht all required values from saved settings")
+
+        self._settings.endArray()
+
+    def save_settings(self):
+        """Save all settings."""
+
+        count_settings = self._settings.beginReadArray("connections")
+
+        def create_new_array_member():
+            """Insert a new setting at the end of the array."""
+
+            # Close the active array action to reopen a write action to expand the array
+            self._settings.endArray()
+            self._settings.beginWriteArray("connections")
+            self._settings.setArrayIndex(count_settings)
+
+            if not self.internal_id:
+                self.internal_id = uuid4().hex
+
+        if not self.internal_id:
+            create_new_array_member()
+
+        else:
+            # Always search setting in array, because connection manager could reorganize array indexes
+            new_setting = True
+            for index in range(count_settings):
+                self._settings.setArrayIndex(index)
+
+                if self.internal_id == "legacy":
+                    # Legacy connection without internal_id
+                    if self._settings.value("address") == self.address:
+                        # Set missing internal_id
+                        self.internal_id = uuid4().hex
+                        new_setting = False
+                        break
+                else:
+                    if self._settings.value("internal_id") == self.internal_id:
+                        new_setting = False
+                        break
+
+            if new_setting:
+                # On this point, we iterate all settings and found none, so create new one
+                create_new_array_member()
+
+        self._settings.setValue("internal_id", self.internal_id)
+        self._settings.setValue("name", self.name)
+        self._settings.setValue("folder", self.folder)
+        self._settings.setValue("address", self.address)
+        self._settings.setValue("port", self.port)
+        self._settings.setValue("timeout", self.timeout)
+
+        self._settings.setValue("ssh_use_tunnel", self.ssh_use_tunnel)
+        self._settings.setValue("ssh_port", self.ssh_port)
+        self._settings.setValue("ssh_user", self.ssh_user)
+        self._settings.setValue("ssh_saved_password", self.ssh_saved_password)
+
+        self._settings.setValue("last_dir_upload", self.last_dir_upload)
+        self._settings.setValue("last_file_upload", self.last_file_upload)
+        self._settings.setValue("last_dir_pictory", self.last_dir_pictory)
+        self._settings.setValue("last_dir_picontrol", self.last_dir_picontrol)
+        self._settings.setValue("last_dir_selected", self.last_dir_selected)
+        self._settings.setValue("last_pictory_file", self.last_pictory_file)
+        self._settings.setValue("last_tar_file", self.last_tar_file)
+        self._settings.setValue("last_zip_file", self.last_zip_file)
+        self._settings.setValue("watch_files", self.watch_files)
+        self._settings.setValue("watch_path", self.watch_path)
+        self._settings.setValue("debug_geos", self.debug_geos)
+
+        self._settings.endArray()
+
+
+class ConnectionManager(QtCore.QThread):
+    """Check connection and status for PLC program on Revolution Pi."""
+
+    connection_established = QtCore.pyqtSignal()
+    """New connection established successfully with <class 'ServerProxy'>."""
+    connection_disconnected = QtCore.pyqtSignal()
+    """Connection disconnected."""
+    connection_disconnecting = QtCore.pyqtSignal()
+    """Signal emitted before closing connection."""
+    connection_error_observed = QtCore.pyqtSignal(str)
+    """This will be triggered, if a connection error was detected."""
+    status_changed = QtCore.pyqtSignal(str, str)
+    """Status message and color suggestion."""
+    connection_recovered = QtCore.pyqtSignal()
+    """After errors the connection is established again, could have other port information (SSH)."""
+
+    def __init__(self, parent=None, cycle_time_ms=1000):
+        super(ConnectionManager, self).__init__(parent)
+
+        self._cli = None
+        self._cli_connect = Queue()
+        self._cycle_time = cycle_time_ms
+        self._lck_cli = Lock()
+        self._ps_started = False
+        self._revpi = None
+        self._revpi_output = None
+
+        self.settings = RevPiSettings()
+
+        self.ssh_tunnel_server = None  # type: SSHLocalTunnel
+        self.ssh_pass = ""
+
+        self.pyload_version = (0, 0, 0)
+        """Version number of RevPiPyLoad 0.0.0 with <class 'int'> values."""
+        self.xml_funcs = []
+        """Name list of all supported functions of RevPiPyLoad."""
+        self.xml_mode = -1
+        """ACL level for this connection (-1 on connection denied)."""
+        self._xml_mode_refresh = False
+
+    def __call_simulator(self, function_name: str, *args, default_value=None, **kwargs):
+        pi.logger.debug("ConnectionManager.__call_simulator({0})".format(function_name))
+        if function_name == "ps_values":
+            if self._revpi.readprocimg():
+                bytebuff = bytearray()
+                for dev in self._revpi.device:
+                    bytebuff += bytes(dev)
+                return Binary(bytes(bytebuff))
+
+        elif function_name == "ps_setvalue":
+            # args: 0=device, 1=io, 2=value
+            device = args[0]
+            io = args[1]
+            if type(args[2]) == Binary:
+                value = args[2].data
+            else:
+                value = args[2]
+
+            try:
+                # Write new value to IO
+                self._revpi.io[io].set_value(value)
+            except Exception as e:
+                return [device, io, False, str(e)]
+
+            return [device, io, True, ""]
+
+        elif function_name == "psstart":
+            self._revpi.autorefresh_all()
+            return True
+
+        elif function_name == "psstop":
+            self._revpi.exit(full=False)
+            return True
+
+        elif function_name == "ps_devices":
+            return [(dev.position, dev.name) for dev in self._revpi.device]
+
+        elif function_name == "ps_inps":
+            return self.__simulator_ios("inp")
+
+        elif function_name == "ps_outs":
+            return self.__simulator_ios("out")
+
+        else:
+            return default_value
+
+    def __simulator_ios(self, iotype: str):
+        dict_ios = {}
+        for dev in self._revpi.device:
+            dict_ios[dev.position] = []
+
+            if iotype == "inp":
+                lst_io = dev.get_inputs()
+            elif iotype == "out":
+                lst_io = dev.get_outputs()
+            else:
+                lst_io = []
+
+            for io in lst_io:
+                dict_ios[dev.position].append([
+                    io.name,
+                    1 if io._bitlength == 1 else int(io._bitlength / 8),
+                    io._slc_address.start + dev.offset,
+                    io.bmk,
+                    io._bitaddress,
+                    io._byteorder,
+                    io._signed,
+                ])
+        return Binary(pickle.dumps(dict_ios))
+
+    def _clear_settings(self):
+        """Clear connection settings."""
+        self.settings = RevPiSettings()
+
+        self.ssh_pass = ""
+
+        self.pyload_version = (0, 0, 0)
+        self.xml_funcs.clear()
+        self.xml_mode = -1
+
+    def pyload_connect(self, revpi_settings: RevPiSettings, parent=None) -> bool:
+        """
+        Create a new connection from settings object.
+
+        :param revpi_settings: Revolution Pi saved connection settings
+        :param parent: Qt parent window for dialog positioning
+        :return: True, if the connection was successfully established
+        """
+
+        # First disconnect to send signal and clean up values
+        self.pyload_disconnect()
+
+        ssh_tunnel_server = None
+        ssh_tunnel_port = 0
+        ssh_pass = ""
+
+        socket.setdefaulttimeout(2)
+
+        if revpi_settings.ssh_use_tunnel:
+            while True:
+                diag_ssh_auth = SSHAuth(
+                    revpi_settings.ssh_user,
+                    "{0}.{1}_{2}".format(
+                        settings.applicationName(),
+                        settings.organizationName(),
+                        revpi_settings.internal_id),
+                    parent,
+                )
+                if not diag_ssh_auth.exec() == QtWidgets.QDialog.Accepted:
+                    self._clear_settings()
+                    return False
+
+                ssh_user = diag_ssh_auth.username
+                ssh_pass = diag_ssh_auth.password
+                ssh_tunnel_server = SSHLocalTunnel(
+                    revpi_settings.port,
+                    revpi_settings.address,
+                    revpi_settings.ssh_port
+                )
+                revpi_settings.ssh_saved_password = diag_ssh_auth.in_keyring
+                try:
+                    ssh_tunnel_port = ssh_tunnel_server.connect_by_credentials(ssh_user, ssh_pass)
+                    break
+                except AuthenticationException:
+                    diag_ssh_auth.remove_saved_password()
+                    QtWidgets.QMessageBox.critical(
+                        parent, self.tr("Error"), self.tr(
+                            "The combination of username and password was rejected from the SSH server.\n\n"
+                            "Try again."
+                        )
+                    )
+                except Exception as e:
+                    # todo: Check some more kinds of exceptions and nice user info
+                    self._clear_settings()
+                    QtWidgets.QMessageBox.critical(
+                        parent, self.tr("Error"), self.tr(
+                            "Could not establish a SSH connection to server:\n\n{0}"
+                        ).format(str(e))
+                    )
+                    return False
+
+            sp = ServerProxy("http://127.0.0.1:{0}".format(ssh_tunnel_port))
+
+        else:
+            sp = ServerProxy("http://{0}:{1}".format(revpi_settings.address, revpi_settings.port))
+
+        # Load values and test connection to Revolution Pi
+        try:
+            pyload_version = tuple(map(int, sp.version().split(".")))
+            xml_funcs = sp.system.listMethods()
+            xml_mode = sp.xmlmodus()
+        except Exception as e:
+            pi.logger.exception(e)
+            self.connection_error_observed.emit(str(e))
+
+            if not revpi_settings.ssh_use_tunnel:
+                # todo: Change message, that user can use ssh
+                QtWidgets.QMessageBox.critical(
+                    parent, self.tr("Error"), self.tr(
+                        "Can not connect to RevPi XML-RPC Service! \n\n"
+                        "This could have the following reasons: The RevPi is not "
+                        "online, the XML-RPC service is not running / bind to "
+                        "localhost or the ACL permission is not set for your "
+                        "IP!!!\n\nRun 'sudo revpipyload_secure_installation' on "
+                        "Revolution Pi to setup this function!"
+                    )
+                )
+
+            return False
+
+        self.settings = revpi_settings
+        self.ssh_pass = ssh_pass
+        self.pyload_version = pyload_version
+        self.xml_funcs = xml_funcs
+        self.xml_mode = xml_mode
+
+        with self._lck_cli:
+            socket.setdefaulttimeout(revpi_settings.timeout)
+            self.ssh_tunnel_server = ssh_tunnel_server
+            self._cli = sp
+            self._cli_connect.put_nowait((
+                "127.0.0.1" if revpi_settings.ssh_use_tunnel else revpi_settings.address,
+                ssh_tunnel_port if revpi_settings.ssh_use_tunnel else revpi_settings.port
+            ))
+
+        self.connection_established.emit()
+
+        return True
+
+    def pyload_disconnect(self):
+        """Disconnect from Revolution Pi."""
+        if self._revpi is not None:
+            self.connection_disconnecting.emit()
+
+            self._revpi.cleanup()
+            self._revpi_output.cleanup()
+            if settings.value("simulator/stop_remove", False, bool):
+                remove(self._revpi.procimg)
+            self._revpi = None
+            self._revpi_output = None
+
+            pi.logger.debug("Simulator destroyed.")
+            self.connection_disconnected.emit()
+
+        elif self._cli is not None:
+
+            # Tell all widget, that we want to disconnect
+            self.connection_disconnecting.emit()
+            self.settings.save_settings()
+
+            with self._lck_cli:
+                if self._ps_started:
+                    try:
+                        self._cli.psstop()
+                    except Exception:
+                        pass
+                self._clear_settings()
+                self._cli = None
+
+                if self.ssh_tunnel_server:
+                    self.ssh_tunnel_server.disconnect()
+                    self.ssh_tunnel_server = None
+
+            self.connection_disconnected.emit()
+
+    def pyload_simulate(self, configrsc: str, procimg: str, clean_existing: bool):
+        """Start the simulator for piControl on local computer."""
+        pi.logger.debug("ConnectionManager.start_simulate")
+
+        if not exists(procimg) or clean_existing:
+            with open(procimg, "wb") as fh:
+                fh.write(b'\x00' * 4096)
+
+        try:
+            import revpimodio2
+
+            # Prepare process image with default values for outputs
+            self._revpi_output = revpimodio2.RevPiModIO(configrsc=configrsc, procimg=procimg)
+            self._revpi_output.setdefaultvalues()
+            self._revpi_output.writeprocimg()
+
+            # This is our simulator to work with
+            self._revpi = revpimodio2.RevPiModIO(simulator=True, configrsc=configrsc, procimg=procimg)
+            self._revpi.setdefaultvalues()
+            self._revpi.writeprocimg()
+
+            self.xml_funcs = ["psstart", "psstop", "ps_devices", "ps_inps", "ps_outs", "ps_values", "ps_setvalue"]
+
+            self.connection_established.emit()
+
+        except Exception as e:
+            pi.logger.exception(e)
+            self.connection_error_observed.emit(str(e))
+            self._revpi_output = None
+            self._revpi = None
+            if settings.value("simulator/stop_remove", False, bool):
+                remove(procimg)
+
+        return self._revpi is not None
+
+    def refresh_xml_mode(self):
+        """Refresh XML ACL level after some change could be done."""
+        self._xml_mode_refresh = True
+
+    def reset_simulator(self):
+        """Reset all io to piCtory defaults."""
+        pi.logger.debug("ConnectionManager.reset_simulator")
+        if settings.value("simulator/restart_zero", False, bool):
+            with open(self._revpi.procimg, "wb") as fh:
+                fh.write(b'\x00' * 4096)
+            self._revpi.readprocimg()
+        else:
+            self._revpi_output.writeprocimg()
+            self._revpi.setdefaultvalues()
+            self._revpi.writeprocimg()
+
+    def run(self):
+        """Thread worker to check status of RevPiPyLoad."""
+        self.setPriority(QtCore.QThread.NormalPriority)
+
+        sp = None
+        while not self.isInterruptionRequested():
+
+            if self._revpi is not None:
+                sp = None
+                self.status_changed.emit(self.tr("SIMULATING"), "yellow")
+            elif self._cli is None:
+                sp = None
+                self.status_changed.emit(self.tr("NOT CONNECTED"), "lightblue")
+            elif not self._cli_connect.empty():
+                # Get new connection information to create object in this thread
+                item = self._cli_connect.get()
+                sp = ServerProxy("http://{0}:{1}".format(*item))
+                self._cli_connect.task_done()
+
+            if sp:
+                try:
+                    plc_exit_code = sp.plcexitcode()
+                    if self._xml_mode_refresh:
+                        self.xml_mode = sp.xmlmodus()
+                        self._xml_mode_refresh = False
+                except CannotSendRequest as e:
+                    pi.logger.warning(e)
+                except Exception as e:
+                    pi.logger.warning(e)
+                    self.status_changed.emit(self.tr("SERVER ERROR"), "red")
+                    self.connection_error_observed.emit("{0} | {1}".format(e, type(e)))
+
+                    if self.ssh_tunnel_server and not self.ssh_tunnel_server.connected:
+                        self.ssh_tunnel_server.disconnect()
+                        ssh_tunnel_server = SSHLocalTunnel(
+                            self.settings.port,
+                            self.settings.address,
+                            self.settings.ssh_port
+                        )
+                        try:
+                            ssh_tunnel_port = self.ssh_tunnel_server.connect_by_credentials(
+                                self.settings.ssh_user,
+                                self.ssh_pass
+                            )
+                            sp = ServerProxy("http://127.0.0.1:{0}".format(ssh_tunnel_port))
+                            with self._lck_cli:
+                                self.ssh_tunnel_server = ssh_tunnel_server
+                                self._cli = sp
+                                self.connection_recovered.emit()
+                        except Exception:
+                            pass
+
+                else:
+                    if plc_exit_code == -1:
+                        self.status_changed.emit(self.tr("RUNNING"), "green")
+                    elif plc_exit_code == -2:
+                        self.status_changed.emit(self.tr("PLC FILE NOT FOUND"), "red")
+                    elif plc_exit_code == -3:
+                        self.status_changed.emit(self.tr("NOT RUNNING (NO STATUS)"), "yellow")
+                    elif plc_exit_code == -9:
+                        self.status_changed.emit(self.tr("PROGRAM KILLED"), "red")
+                    elif plc_exit_code == -15:
+                        self.status_changed.emit(self.tr("PROGRAM TERMED"), "red")
+                    elif plc_exit_code == 0:
+                        self.status_changed.emit(self.tr("NOT RUNNING"), "yellow")
+                    else:
+                        self.status_changed.emit(self.tr("FINISHED WITH CODE {0}").format(plc_exit_code), "yellow")
+
+            self.msleep(self._cycle_time)
+
+    def call_remote_function(self, function_name: str, *args, default_value=None, raise_exception=False, **kwargs):
+        """
+        Save call of a remote function with given name and parameters on Revolution Pi.
+
+        :param function_name: Function to call on RevPiPyLoad
+        :param args: Functions arguments
+        :param default_value: Default value will be returned on error
+        :param raise_exception: Will raise the exception returned from server
+        :param kwargs: Functions key word arguments
+        :return: Return value of remote function or default_value
+        """
+        if self._cli is None and self._revpi is None:
+            pi.logger.error("Not connected while calling {0}".format(function_name))
+            if raise_exception:
+                raise ConnectionError("Connection manager not connected")
+            return default_value
+
+        reload_funcs = False
+        if function_name == "psstart":
+            self._ps_started = True
+            reload_funcs = True
+        elif function_name == "psstop":
+            self._ps_started = False
+            reload_funcs = True
+
+        # On connection problems do not freeze
+        if self._lck_cli.acquire(timeout=1.0):
+            if self._revpi is not None:
+                # Redirect call to simulator
+                return_value = self.__call_simulator(function_name, *args, default_value=default_value, **kwargs)
+            else:
+                try:
+                    return_value = getattr(self._cli, function_name)(*args, **kwargs)
+                    if reload_funcs:
+                        self.xml_funcs = self._cli.system.listMethods()
+                except Exception as e:
+                    pi.logger.error(e)
+                    if raise_exception:
+                        self._lck_cli.release()
+                        raise
+                    return_value = default_value
+
+            self._lck_cli.release()
+            return return_value
+
+        elif raise_exception:
+            raise ConnectionError("Can not get lock of connection")
+
+        return default_value
+
+    def get_cli(self):
+        """
+        Connection proxy of actual connection.
+
+        Use connection_recovered signal to figure out new parameters.
+        """
+        if not self.settings.ssh_use_tunnel and self.settings.address and self.settings.port:
+            return ServerProxy("http://{0}:{1}".format(self.settings.address, self.settings.port))
+        if self.settings.ssh_use_tunnel and self.ssh_tunnel_server and self.ssh_tunnel_server.connected:
+            return ServerProxy("http://127.0.0.1:{0}".format(self.ssh_tunnel_server.local_tunnel_port))
+
+        return None
+
+    @property
+    def connected(self) -> bool:
+        """True if we have an active connection."""
+        return self._cli is not None
+
+    @property
+    def simulating(self) -> bool:
+        """True, if simulating mode is running."""
+        return self._revpi is not None
+
+    @property
+    def simulating_configrsc(self) -> str:
+        return self._revpi.configrsc if self._revpi else ""
+
+    @property
+    def simulating_procimg(self) -> str:
+        return self._revpi.procimg if self._revpi else ""
+
+
+cm = ConnectionManager()
+"""Clobal connection manager instance."""
+
+
+def all_revpi_settings() -> [RevPiSettings]:
+    """Get all revpi settings objects."""
+    # Get length of array and close it, the RevPiSettings-class need it
+    count_settings = settings.beginReadArray("connections")
+    settings.endArray()
+    return [RevPiSettings(i) for i in range(count_settings)]
+
+
+def import_old_settings():
+    """Try to import saved connections from old storage to new setting object."""
+    if settings.value("revpicommander/imported_settings", False, type=bool):
+        return
+    settings.setValue("revpicommander/imported_settings", True)
+
+    old_settings = QtCore.QSettings("revpipyplc", "revpipyload")
+    count_settings = old_settings.beginReadArray("connections")
+    old_settings.endArray()
+
+    for i in range(count_settings):
+        try:
+            revpi_setting = RevPiSettings(i, settings_storage=old_settings)
+            revpi_setting._settings = settings
+            revpi_setting.save_settings()
+        except Exception as e:
+            pi.logger.warning("Could not import saved connection {0}".format(i))
+
+import_old_settings()
--- a/src/revpicommander/locale/revpicommander_de.qm
+++ b/src/revpicommander/locale/revpicommander_de.qm
--- a/src/revpicommander/locale/revpicommander_de.ts
+++ b/src/revpicommander/locale/revpicommander_de.ts
--- a/src/revpicommander/locale/revpicommander_en.qm
+++ b/src/revpicommander/locale/revpicommander_en.qm
--- a/src/revpicommander/mqttmanager.py
+++ b/src/revpicommander/mqttmanager.py
@@ -2,13 +2,13 @@
 """Options for MQTT system."""

 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from PyQt5 import QtGui, QtWidgets

-import proginit as pi
-from ui.mqttmanager_ui import Ui_diag_mqtt
+from . import proginit as pi
+from .ui.mqttmanager_ui import Ui_diag_mqtt


 class MqttManager(QtWidgets.QDialog, Ui_diag_mqtt):
--- a/src/revpicommander/proginit.py
+++ b/src/revpicommander/proginit.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Global program initialization."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2019 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "LGPLv3"

 import logging
--- a/src/revpicommander/revpicommander.py
+++ b/src/revpicommander/revpicommander.py
@@ -5,25 +5,26 @@
 __author__ = "Sven Sager"
 __copyright__ = "Copyright (C) 2018 Sven Sager"
 __license__ = "GPLv3"
-__version__ = "0.9.2"
+__version__ = "0.9.10rc2"

 import webbrowser
-from os.path import basename, dirname, join
+from os.path import dirname, join

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-import revpilogfile
-from avahisearch import AvahiSearch
-from debugcontrol import DebugControl
-from revpifiles import RevPiFiles
-from revpiinfo import RevPiInfo
-from revpioption import RevPiOption
-from revpiplclist import RevPiPlcList
-from revpiprogram import RevPiProgram
-from simulator import Simulator
-from ui.revpicommander_ui import Ui_win_revpicommander
+from . import helper
+from . import proginit as pi
+from . import revpilogfile
+from .avahisearch import AvahiSearch
+from .debugcontrol import DebugControl
+from .helper import RevPiSettings
+from .revpifiles import RevPiFiles
+from .revpiinfo import RevPiInfo
+from .revpioption import RevPiOption
+from .revpiplclist import RevPiPlcList
+from .revpiprogram import RevPiProgram
+from .simulator import Simulator
+from .ui.revpicommander_ui import Ui_win_revpicommander


 class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
@@ -53,7 +54,7 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
        self.win_files = RevPiFiles(self)
        self.win_log = revpilogfile.RevPiLogfile(self)

-        self.btn_plc_logs.pressed.connect(self.on_act_logs_triggered)
+        self.btn_plc_logs.clicked.connect(self.on_act_logs_triggered)

        helper.cm.connection_disconnected.connect(self.on_cm_connection_disconnected)
        helper.cm.connection_disconnecting.connect(self.on_cm_connection_disconnecting)
@@ -61,12 +62,14 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
        helper.cm.connection_error_observed.connect(self.on_cm_connection_error_observed)
        helper.cm.status_changed.connect(self.on_cm_status_changed)

-        self.restoreGeometry(helper.settings.value("geo", b''))
+        self.restoreGeometry(helper.settings.value("revpicommander/geo", b''))
+
+        self.setWindowFlag(QtCore.Qt.WindowMaximizeButtonHint, False)

    def closeEvent(self, a0: QtGui.QCloseEvent) -> None:
        pi.logger.debug("RevPiCommander.closeEvent")
        helper.cm.pyload_disconnect()
-        helper.settings.setValue("geo", self.saveGeometry())
+        helper.settings.setValue("revpicommander/geo", self.saveGeometry())

    def _set_gui_control_states(self):
        """Setup states of actions and buttons."""
@@ -109,6 +112,8 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
        pi.logger.debug("RevPiCommander.on_cm_connection_disconnected")

        self._set_gui_control_states()
+        self.txt_host.setVisible(True)
+        self.txt_host.clear()
        self.txt_connection.clear()

    @QtCore.pyqtSlot()
@@ -135,16 +140,14 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):

        self._set_gui_control_states()
        if helper.cm.simulating:
+            self.txt_host.setVisible(False)
            self.txt_connection.setText("configrsc=\"{0}\", procimg=\"{1}\"".format(
                helper.cm.simulating_configrsc,
                helper.cm.simulating_procimg,
            ))
        else:
-            self.txt_connection.setText("{0} - {1}:{2}".format(
-                helper.cm.name,
-                helper.cm.address,
-                helper.cm.port
-            ))
+            self.txt_host.setText(helper.cm.settings.name)
+            self.txt_connection.setText(helper.cm.settings.address)
        self.win_files = RevPiFiles(self)

    @QtCore.pyqtSlot(str, str)
@@ -164,29 +167,26 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
        self.men_connections.clear()
        self.dict_men_connections_subfolder.clear()

-        for i in range(helper.settings.beginReadArray("connections")):
-            helper.settings.setArrayIndex(i)
-
-            act = QtWidgets.QAction(self)
-            act.setText(helper.settings.value("name"))
-            act.setData(i)
-            act.setToolTip("{0}:{1}".format(
-                helper.settings.value("address"),
-                helper.settings.value("port"),
-            ))
-
-            if helper.settings.value("folder"):
-                if helper.settings.value("folder") not in self.dict_men_connections_subfolder:
-                    men_sub = QtWidgets.QMenu(self)
-                    men_sub.setTitle(helper.settings.value("folder"))
-                    self.dict_men_connections_subfolder[helper.settings.value("folder")] = men_sub
+        for settings in helper.all_revpi_settings():  # type: RevPiSettings
+            if settings.folder:
+                if settings.folder not in self.dict_men_connections_subfolder:
+                    men_sub = QtWidgets.QMenu(self.men_connections)
+                    men_sub.setTitle(settings.folder)
+                    self.dict_men_connections_subfolder[settings.folder] = men_sub
                    self.men_connections.addMenu(men_sub)
-                self.dict_men_connections_subfolder[helper.settings.value("folder")].addAction(act)
-
+                parent_menu = self.dict_men_connections_subfolder[settings.folder]
            else:
-                self.men_connections.addAction(act)
+                parent_menu = self.men_connections

-        helper.settings.endArray()
+            display_name = settings.name
+            if settings.ssh_use_tunnel:
+                display_name += " (SSH)"
+
+            act = QtWidgets.QAction(parent_menu)
+            act.setText(display_name)
+            act.setData(settings)
+            act.setToolTip("{0}:{1}".format(settings.address, settings.port))
+            parent_menu.addAction(act)

    @QtCore.pyqtSlot()
    def on_act_connections_triggered(self):
@@ -198,8 +198,11 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
    def on_act_search_triggered(self):
        """Search for Revolution Pi with zero conf."""
        if self.diag_search.exec() == QtWidgets.QDialog.Accepted:
-            if self.diag_search.connect_index >= 0:
-                helper.cm.pyload_connect(self.diag_search.connect_index)
+            if self.diag_search.connect_settings:
+                if self.diag_search.just_save:
+                    self.diag_connections.exec_with_presets(self.diag_search.connect_settings)
+                else:
+                    helper.cm.pyload_connect(self.diag_search.connect_settings, self)

        self._load_men_connections()

@@ -358,17 +361,7 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
    @QtCore.pyqtSlot(QtWidgets.QAction)
    def on_men_connections_triggered(self, action: QtWidgets.QAction):
        """A connection is selected in the men_connections menu."""
-        if not helper.cm.pyload_connect(action.data()):
-            QtWidgets.QMessageBox.critical(
-                self, self.tr("Error"), self.tr(
-                    "Can not connect to RevPi XML-RPC Service! \n\n"
-                    "This could have the following reasons: The RevPi is not "
-                    "online, the XML-RPC service is not running / bind to "
-                    "localhost or the ACL permission is not set for your "
-                    "IP!!!\n\nRun 'sudo revpipyload_secure_installation' on "
-                    "Revolution Pi to setup this function!"
-                )
-            )
+        helper.cm.pyload_connect(action.data(), self)

    @QtCore.pyqtSlot()
    def on_act_webpage_triggered(self):
@@ -452,7 +445,7 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
            debugcontrol = DebugControl(self.centralwidget)
            if debugcontrol.reload_devices():
                self.wid_debugcontrol = debugcontrol
-                self.gl.addWidget(self.wid_debugcontrol, 7, 0)
+                self.gl.addWidget(self.wid_debugcontrol)
            else:
                debugcontrol.deleteLater()
                QtWidgets.QMessageBox.critical(
@@ -470,20 +463,23 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
    # endregion # # # # #


-if __name__ == "__main__":
-    import sys
+def main() -> int:
+    from sys import argv

-    # QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling, True)
-    # QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps, True)
+    if hasattr(QtCore.Qt, 'AA_EnableHighDpiScaling'):
+        QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling, True)
+    if hasattr(QtCore.Qt, 'AA_UseHighDpiPixmaps'):
+        QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps, True)

-    app = QtWidgets.QApplication(sys.argv)
+    app = QtWidgets.QApplication(argv)

    try:
        # Setup translation from file with system language
-        locale = QtCore.QLocale.system().name()
        translator = QtCore.QTranslator()
-        locale_file_name = "revpicommander_{0}".format(locale)
-        translator.load(join(dirname(__file__), "locale", locale_file_name), suffix=".qm")
+        translator.load(
+            QtCore.QLocale.system(),
+            "revpicommander", "_", join(dirname(__file__), "locale"), ".qm"
+        )
        app.installTranslator(translator)
    except Exception:
        pass
@@ -499,4 +495,10 @@ if __name__ == "__main__":
    helper.cm.requestInterruption()
    helper.cm.wait()

-    sys.exit(exit_code)
+    return exit_code
+
+
+if __name__ == "__main__":
+    import sys
+
+    sys.exit(main())
--- a/src/revpicommander/revpifiles.py
+++ b/src/revpicommander/revpifiles.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """File manager for up und download PLC program."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2020 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 import gzip
@@ -11,10 +11,11 @@ from xmlrpc.client import Binary

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from helper import WidgetData
-from ui.files_ui import Ui_win_files
+from . import helper
+from . import proginit as pi
+from .backgroundworker import BackgroundWorker
+from .helper import WidgetData
+from .ui.files_ui import Ui_win_files


 class NodeType(IntEnum):
@@ -22,6 +23,56 @@ class NodeType(IntEnum):
    DIR = 1001


+class UploadFiles(BackgroundWorker):
+
+    def __init__(self, file_list: list, parent):
+        super(UploadFiles, self).__init__(parent)
+        self.ec = 1
+        self.file_list = file_list
+        self.plc_program_included = False  # Will be True, when opt_program was found in files
+
+    def run(self) -> None:
+        self.steps_todo.emit(len(self.file_list))
+
+        # Get config to find actual auto start program for warnings
+        opt_program = helper.cm.call_remote_function("get_config", default_value={})
+        opt_program = opt_program.get("plcprogram", "none.py")
+
+        progress_counter = 0
+        for file_name in self.file_list:
+            progress_counter += 1
+
+            # Remove base dir of file to set relative for PyLoad
+            send_name = file_name.replace(helper.cm.settings.watch_path, "")[1:]
+            self.status_message.emit(send_name)
+
+            # Check whether this is the auto start program
+            if send_name == opt_program:
+                self.plc_program_included = True
+
+            # Transfer file
+            try:
+                with open(file_name, "rb") as fh:
+                    upload_status = helper.cm.call_remote_function(
+                        "plcupload", Binary(gzip.compress(fh.read())), send_name,
+                        default_value=False
+                    )
+            except Exception as e:
+                pi.logger.error(e)
+                self.ec = -2
+                return
+
+            if not upload_status:
+                self.ec = -1
+                return
+
+            self.steps_done.emit(progress_counter)
+            if self.check_cancel():
+                return
+
+        self.ec = 0
+
+
 class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):

    def __init__(self, parent=None):
@@ -31,7 +82,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
        self.dc_settings = {}
        self.tree_files_counter = 0
        self.tree_files_counter_max = 10000
-        self.lbl_path_local.setText(helper.cm.develop_watch_path or self.tr("Please select..."))
+        self.lbl_path_local.setText(helper.cm.settings.watch_path or self.tr("Please select..."))
        self.lbl_path_local.setToolTip(self.lbl_path_local.text())

        self.btn_all.setEnabled(False)
@@ -39,7 +90,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
        self.btn_to_right.setEnabled(False)
        self.btn_delete_revpi.setEnabled(False)

-        if helper.cm.develop_watch_path:
+        if helper.cm.settings.watch_path:
            self._load_files_local(True)
        if helper.cm.connected:
            self._load_files_revpi(True)
@@ -72,41 +123,13 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
            )
            return

-        # Get config to find actual auto start program for warnings
-        opt_program = helper.cm.call_remote_function("get_config", default_value={})
-        opt_program = opt_program.get("plcprogram", "none.py")
-        uploaded = True  # Will be False, when opt_program was found in files
-        ec = 0
+        uploader = UploadFiles(self.file_list_local(), self)
+        if uploader.exec_dialog() == QtWidgets.QDialog.Rejected:
+            return

-        # todo: Do this in a thread with status bar to prevent freezing program on long upload times
-        for file_name in self.file_list_local():
-            # todo: Check exception of local file
-            with open(file_name, "rb") as fh:
-                # Remove base dir of file to set relative for PyLoad
-                send_name = file_name.replace(helper.cm.develop_watch_path, "")[1:]
-
-                # Check whether this is the auto start program
-                if send_name == opt_program:
-                    uploaded = False
-
-                # Transfer file
-                try:
-                    upload_status = helper.cm.call_remote_function(
-                        "plcupload", Binary(gzip.compress(fh.read())), send_name,
-                        default_value=False
-                    )
-                except Exception as e:
-                    pi.logger.error(e)
-                    ec = -2
-                    break
-
-                if not upload_status:
-                    ec = -1
-                    break
-
-        if ec == 0:
+        if uploader.ec == 0:
            # Tell user, we did not find the auto start program in files
-            if uploaded:
+            if not uploader.plc_program_included:
                QtWidgets.QMessageBox.information(
                    self, self.tr("Information"), self.tr(
                        "A PLC program has been uploaded. Please check the "
@@ -115,7 +138,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                    )
                )

-        elif ec == -1:
+        elif uploader.ec == -1:
            QtWidgets.QMessageBox.critical(
                self, self.tr("Error"), self.tr(
                    "The Revolution Pi could not process some parts of the "
@@ -123,7 +146,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                )
            )

-        elif ec == -2:
+        elif uploader.ec == -2:
            QtWidgets.QMessageBox.critical(
                self, self.tr("Error"),
                self.tr("Errors occurred during transmission")
@@ -152,7 +175,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
        if "plcdownload_file" not in helper.cm.xml_funcs:
            self.btn_to_left.setEnabled(False)
            self.btn_to_left.setToolTip(self.tr("The RevPiPyLoad version on the Revolution Pi is to old."))
-        elif not helper.cm.develop_watch_path:
+        elif not helper.cm.settings.watch_path:
            self.btn_to_left.setEnabled(False)
            self.btn_to_left.setToolTip(self.tr("Choose a local directory first."))
        else:
@@ -184,7 +207,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
            elif item.type() == NodeType.FILE:
                item.setSelected(value)

-    def __item_selection_changed(self, tree_view: QtWidgets.QTreeView):
+    def __item_selection_changed(self, tree_view: QtWidgets.QTreeWidget):
        """Manager vor item selection of three views."""
        item = tree_view.currentItem()
        if item is None:
@@ -207,7 +230,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
    @QtCore.pyqtSlot()
    def on_tree_files_local_itemSelectionChanged(self):
        self.__item_selection_changed(self.tree_files_local)
-        helper.cm.develop_watch_files = self.file_list_local()
+        helper.cm.settings.watch_files = self.file_list_local()

    @QtCore.pyqtSlot()
    def on_tree_files_revpi_itemSelectionChanged(self):
@@ -264,7 +287,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                else:
                    self.tree_files_local.addTopLevelItem(item)

-                item.setSelected(de.path in helper.cm.develop_watch_files)
+                item.setSelected(de.path in helper.cm.settings.watch_files)
                self._parent_selection_state(item)

    def _load_files_local(self, silent=False):
@@ -278,7 +301,7 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
        self.tree_files_counter = 0
        self.tree_files_local.blockSignals(True)
        self.tree_files_local.clear()
-        self.__insert_files_local(helper.cm.develop_watch_path)
+        self.__insert_files_local(helper.cm.settings.watch_path)
        self.tree_files_local.sortItems(0, QtCore.Qt.AscendingOrder)
        self.tree_files_local.blockSignals(False)

@@ -411,18 +434,18 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
    # endregion # # # # #

    @QtCore.pyqtSlot()
-    def on_btn_all_pressed(self):
-        pi.logger.debug("RevPiFiles.on_btn_all_pressed")
+    def on_btn_all_clicked(self):
+        pi.logger.debug("RevPiFiles.on_btn_all_clicked")
        self._do_my_job(True)
        self.file_list_revpi()

    @QtCore.pyqtSlot()
-    def on_btn_select_local_pressed(self):
-        pi.logger.debug("RevPiFiles.on_btn_select_pressed")
+    def on_btn_select_local_clicked(self):
+        pi.logger.debug("RevPiFiles.on_btn_select_clicked")

        diag_folder = QtWidgets.QFileDialog(
            self, self.tr("Select folder..."),
-            helper.cm.develop_watch_path,
+            helper.cm.settings.watch_path,
        )
        diag_folder.setFileMode(QtWidgets.QFileDialog.DirectoryOnly)
        if diag_folder.exec() != QtWidgets.QFileDialog.Accepted:
@@ -436,38 +459,38 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                    "Can not access the folder '{0}' to read files."
                )
            )
-            helper.cm.develop_watch_files = []
-            helper.cm.develop_watch_path = ""
+            helper.cm.settings.watch_files = []
+            helper.cm.settings.watch_path = ""
            return

        self.lbl_path_local.setText(selected_dir)
        self.lbl_path_local.setToolTip(self.lbl_path_local.text())
-        helper.cm.develop_watch_path = selected_dir
-        helper.cm.develop_watch_files = []
+        helper.cm.settings.watch_path = selected_dir
+        helper.cm.settings.watch_files = []

        self._load_files_local(False)

    @QtCore.pyqtSlot()
-    def on_btn_refresh_local_pressed(self):
-        pi.logger.debug("RevPiFiles.on_btn_refresh_pressed")
+    def on_btn_refresh_local_clicked(self):
+        pi.logger.debug("RevPiFiles.on_btn_refresh_clicked")
        self._load_files_local(False)

    @QtCore.pyqtSlot()
-    def on_btn_refresh_revpi_pressed(self):
-        pi.logger.debug("RevPiFiles.on_btn_refresh_revpi_pressed")
+    def on_btn_refresh_revpi_clicked(self):
+        pi.logger.debug("RevPiFiles.on_btn_refresh_revpi_clicked")
        self._load_files_revpi(False)

    @QtCore.pyqtSlot()
-    def on_btn_to_right_pressed(self):
+    def on_btn_to_right_clicked(self):
        """Upload selected files to revolution pi."""
-        pi.logger.debug("RevPiFiles.on_btn_to_right_pressed")
+        pi.logger.debug("RevPiFiles.on_btn_to_right_clicked")
        self._do_my_job(False)
        self._load_files_revpi(True)

    @QtCore.pyqtSlot()
-    def on_btn_to_left_pressed(self):
+    def on_btn_to_left_clicked(self):
        """Download selected file."""
-        pi.logger.debug("RevPiFiles.on_btn_to_left_pressed")
+        pi.logger.debug("RevPiFiles.on_btn_to_left_clicked")

        override = None
        for item in self.tree_files_revpi.selectedItems():
@@ -487,18 +510,18 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
                    ).format(file_name)
                )
            else:
-                file_name = os.path.join(helper.cm.develop_watch_path, file_name)
+                file_name = os.path.join(helper.cm.settings.watch_path, file_name)
                if override is None and os.path.exists(file_name):
-                    rc = QtWidgets.QMessageBox.question(
+                    rc_diag = QtWidgets.QMessageBox.question(
                        self, self.tr("Override files..."), self.tr(
                            "One or more files does exist on your computer! Do you want to override the existing"
                            "files?\n\nSelect 'Yes' to override, 'No' to download only missing files."
                        ),
                        buttons=QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No | QtWidgets.QMessageBox.Cancel
                    )
-                    if rc == QtWidgets.QMessageBox.Cancel:
+                    if rc_diag == QtWidgets.QMessageBox.Cancel:
                        return
-                    override = rc == QtWidgets.QMessageBox.Yes
+                    override = rc_diag == QtWidgets.QMessageBox.Yes

                if os.path.exists(file_name) and not override:
                    pi.logger.debug("Skip existing file '{0}'".format(file_name))
@@ -506,15 +529,15 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):

                os.makedirs(os.path.dirname(file_name), exist_ok=True)
                file_data = gzip.decompress(rc)
-                with open(os.path.join(helper.cm.develop_watch_path, file_name), "wb") as fh:
+                with open(os.path.join(helper.cm.settings.watch_path, file_name), "wb") as fh:
                    fh.write(file_data)

        self._load_files_local()

    @QtCore.pyqtSlot()
-    def on_btn_delete_revpi_pressed(self):
+    def on_btn_delete_revpi_clicked(self):
        """Remove selected files from working directory on revolution pi."""
-        pi.logger.debug("RevPiFiles.btn_delete_revpi_pressed")
+        pi.logger.debug("RevPiFiles.btn_delete_revpi_clicked")

        lst_delete = []
        for item in self.tree_files_revpi.selectedItems():
--- a/src/revpicommander/revpiinfo.py
+++ b/src/revpicommander/revpiinfo.py
@@ -1,13 +1,13 @@
 # -*- coding: utf-8 -*-
 """Program information of local an remote system."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-from ui.revpiinfo_ui import Ui_diag_revpiinfo
+from . import helper
+from .ui.revpiinfo_ui import Ui_diag_revpiinfo


 class RevPiInfo(QtWidgets.QDialog, Ui_diag_revpiinfo):
--- a/src/revpicommander/revpilogfile.py
+++ b/src/revpicommander/revpilogfile.py
@@ -1,16 +1,16 @@
 # -*- coding: utf-8 -*-
 """View log files from Revolution Pi."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from enum import IntEnum

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from ui.revpilogfile_ui import Ui_win_revpilogfile
+from . import helper
+from . import proginit as pi
+from .ui.revpilogfile_ui import Ui_win_revpilogfile


 class LogType(IntEnum):
@@ -22,15 +22,15 @@ class LogType(IntEnum):
 class DataThread(QtCore.QThread):
    error_detected = QtCore.pyqtSignal(str)
    line_logged = QtCore.pyqtSignal(LogType, bool, str)
+    """log_type, success, text"""

    def __init__(self, parent=None, cycle_time=1000):
        super(DataThread, self).__init__(parent)

-        self._cli = helper.cm.get_cli()
        self._cycle_time = cycle_time
        self._paused = True
        self.error_count = 0
-        self.max_block = 256000
+        self.max_block = 16384  # 16 kByte
        self.mrk_app = 0
        self.mrk_daemon = 0

@@ -44,7 +44,12 @@ class DataThread(QtCore.QThread):
        :return: tuple(position: int, EOF: bool)
        """
        # Load max data from start position
-        buff_log = xmlcall(start_position, self.max_block).data
+        buff_log = helper.cm.call_remote_function(
+            xmlcall,
+            start_position,
+            self.max_block,
+            raise_exception=True
+        ).data  # type: bytes

        eof = True
        if buff_log == b'\x16':  # 'ESC'
@@ -55,20 +60,23 @@ class DataThread(QtCore.QThread):
            # The log file was rotated by log rotate on the Revolution Pi
            start_position = 0
            eof = False
+            pi.logger.info("RevPi started a new log file.")

        elif buff_log:
            start_position += len(buff_log)
            eof = len(buff_log) < self.max_block
-            self.line_logged.emit(log_type, True, buff_log.decode("utf-8"))
+            self.line_logged.emit(log_type, True, buff_log.decode("utf-8", errors="replace"))

        return start_position, eof

    def pause(self):
        """Stop checking new log lines, but leave thread alive."""
+        pi.logger.debug("DataThread.pause")
        self._paused = True

    def resume(self):
        """Start checking for new log lines."""
+        pi.logger.debug("DataThread.resume")
        self._paused = False

    def run(self) -> None:
@@ -82,13 +90,13 @@ class DataThread(QtCore.QThread):
                    while not (eof_app or self.isInterruptionRequested()):
                        self.mrk_app, eof_app = self._load_log(
                            LogType.APP,
-                            self._cli.load_applog,
+                            "load_applog",
                            self.mrk_app,
                        )
                    while not (eof_daemon or self.isInterruptionRequested()):
                        self.mrk_daemon, eof_daemon = self._load_log(
                            LogType.DAEMON,
-                            self._cli.load_plclog,
+                            "load_plclog",
                            self.mrk_daemon,
                        )
                    self.error_count = 0
@@ -108,7 +116,7 @@ class RevPiLogfile(QtWidgets.QMainWindow, Ui_win_revpilogfile):
        super(RevPiLogfile, self).__init__(parent)
        self.setupUi(self)

-        self.th_data = DataThread()
+        self.th_data = DataThread(self)
        self.err_daemon = 0

        helper.cm.connection_established.connect(self.on_cm_connection_established)
@@ -119,7 +127,7 @@ class RevPiLogfile(QtWidgets.QMainWindow, Ui_win_revpilogfile):
    def _create_data_thread(self):
        self.th_data.deleteLater()

-        self.th_data = DataThread()
+        self.th_data = DataThread(self)
        self.th_data.error_detected.connect(self.txt_daemon.setPlainText)
        self.th_data.line_logged.connect(self.on_line_logged)
        self.th_data.start()
@@ -158,12 +166,12 @@ class RevPiLogfile(QtWidgets.QMainWindow, Ui_win_revpilogfile):
            self.th_data.resume()

    @QtCore.pyqtSlot()
-    def on_btn_daemon_pressed(self):
+    def on_btn_daemon_clicked(self):
        """Clear the daemon log view."""
        self.txt_daemon.clear()

    @QtCore.pyqtSlot()
-    def on_btn_app_pressed(self):
+    def on_btn_app_clicked(self):
        """Clear the app log view."""
        self.txt_app.clear()

--- a/src/revpicommander/revpioption.py
+++ b/src/revpicommander/revpioption.py
@@ -1,16 +1,16 @@
 # -*- coding: utf-8 -*-
 """RevPiPyLoad options window."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from aclmanager import AclManager
-from mqttmanager import MqttManager
-from ui.revpioption_ui import Ui_diag_options
+from . import helper
+from . import proginit as pi
+from .aclmanager import AclManager
+from .mqttmanager import MqttManager
+from .ui.revpioption_ui import Ui_diag_options


 class RevPiOption(QtWidgets.QDialog, Ui_diag_options):
--- a/src/revpicommander/revpiplclist.py
+++ b/src/revpicommander/revpiplclist.py
@@ -1,17 +1,19 @@
 # -*- coding: utf-8 -*-
 """Saved connections of Revolution Pi devices."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from enum import IntEnum

+import keyring
 from PyQt5 import QtCore, QtGui, QtWidgets
+from keyring.errors import KeyringError

-import helper
-import proginit as pi
-from helper import WidgetData
-from ui.revpiplclist_ui import Ui_diag_connections
+from . import helper
+from . import proginit as pi
+from .helper import RevPiSettings, WidgetData
+from .ui.revpiplclist_ui import Ui_diag_connections


 class NodeType(IntEnum):
@@ -25,11 +27,11 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
    def __init__(self, parent=None):
        super(RevPiPlcList, self).__init__(parent)
        self.setupUi(self)
-        self.__default_name = self.tr("New connection")
        self.__default_port = 55123

        self.__current_item = QtWidgets.QTreeWidgetItem()  # type: QtWidgets.QTreeWidgetItem
        self.changes = True
+        self._keyring_cleanup_id_user = []

        self.tre_connections.setColumnWidth(0, 250)
        self.lbl_port.setText(self.lbl_port.text().format(self.__default_port))
@@ -42,29 +44,22 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        self.tre_connections.clear()
        self.cbb_folder.clear()
        self.cbb_folder.addItem("")
-        for i in range(helper.settings.beginReadArray("connections")):
-            helper.settings.setArrayIndex(i)
+
+        # Get length of array and close it, the RevPiSettings-class need it
+        count_settings = helper.settings.beginReadArray("connections")
+        helper.settings.endArray()
+
+        for i in range(count_settings):
+            settings = RevPiSettings(i)

            con_item = QtWidgets.QTreeWidgetItem(NodeType.CON)
            con_item.setIcon(0, QtGui.QIcon(":/main/ico/cpu.ico"))
-            con_item.setText(0, helper.settings.value("name", "Revolution Pi", str))
-            con_item.setText(1, helper.settings.value("address", "127.0.0.1", str))
-            con_item.setData(0, WidgetData.port, helper.settings.value("port", self.__default_port, int))
-            con_item.setData(0, WidgetData.timeout, helper.settings.value("timeout", 5, int))
+            con_item.setText(0, settings.name)
+            con_item.setText(1, settings.address)

-            con_item.setData(0, WidgetData.last_dir_upload, helper.settings.value("last_dir_upload"))
-            con_item.setData(0, WidgetData.last_file_upload, helper.settings.value("last_file_upload"))
-            con_item.setData(0, WidgetData.last_dir_pictory, helper.settings.value("last_dir_pictory"))
-            con_item.setData(0, WidgetData.last_dir_picontrol, helper.settings.value("last_dir_picontrol"))
-            con_item.setData(0, WidgetData.last_dir_selected, helper.settings.value("last_dir_selected"))
-            con_item.setData(0, WidgetData.last_pictory_file, helper.settings.value("last_pictory_file"))
-            con_item.setData(0, WidgetData.last_tar_file, helper.settings.value("last_tar_file"))
-            con_item.setData(0, WidgetData.last_zip_file, helper.settings.value("last_zip_file"))
-            con_item.setData(0, WidgetData.watch_files, helper.settings.value("watch_files"))
-            con_item.setData(0, WidgetData.watch_path, helper.settings.value("watch_path"))
-            con_item.setData(0, WidgetData.debug_geos, helper.settings.value("debug_geos"))
+            con_item.setData(0, WidgetData.revpi_settings, settings)

-            folder = helper.settings.value("folder", "", str)
+            folder = settings.folder
            if folder:
                sub_folder = self._get_folder_item(folder)
                if sub_folder is None:
@@ -78,10 +73,8 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
            else:
                self.tre_connections.addTopLevelItem(con_item)

-        helper.settings.endArray()
-
        self.tre_connections.expandAll()
-        self.changes = True
+        self.changes = False

        if self.tre_connections.topLevelItemCount() == 0:
            self._edit_state()
@@ -89,54 +82,31 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
    def accept(self) -> None:
        pi.logger.debug("RevPiPlcList.accept")

-        def set_settings(node: QtWidgets.QTreeWidgetItem):
-            parent = node.parent()
-            helper.settings.setValue("address", node.text(1))
-            helper.settings.setValue("folder", parent.text(0) if parent else "")
-            helper.settings.setValue("name", node.text(0))
-            helper.settings.setValue("port", node.data(0, WidgetData.port))
-            helper.settings.setValue("timeout", node.data(0, WidgetData.timeout))
-
-            if node.data(0, WidgetData.last_dir_upload):
-                helper.settings.setValue("last_dir_upload", node.data(0, WidgetData.last_dir_upload))
-            if node.data(0, WidgetData.last_file_upload):
-                helper.settings.setValue("last_file_upload", node.data(0, WidgetData.last_file_upload))
-            if node.data(0, WidgetData.last_dir_pictory):
-                helper.settings.setValue("last_dir_pictory", node.data(0, WidgetData.last_dir_pictory))
-            if node.data(0, WidgetData.last_dir_picontrol):
-                helper.settings.setValue("last_dir_picontrol", node.data(0, WidgetData.last_dir_picontrol))
-            if node.data(0, WidgetData.last_dir_selected):
-                helper.settings.setValue("last_dir_selected", node.data(0, WidgetData.last_dir_selected))
-            if node.data(0, WidgetData.last_pictory_file):
-                helper.settings.setValue("last_pictory_file", node.data(0, WidgetData.last_pictory_file))
-            if node.data(0, WidgetData.last_tar_file):
-                helper.settings.setValue("last_tar_file", node.data(0, WidgetData.last_tar_file))
-            if node.data(0, WidgetData.last_zip_file):
-                helper.settings.setValue("last_zip_file", node.data(0, WidgetData.last_zip_file))
-            if node.data(0, WidgetData.watch_files):
-                helper.settings.setValue("watch_files", node.data(0, WidgetData.watch_files))
-            if node.data(0, WidgetData.watch_path):
-                helper.settings.setValue("watch_path", node.data(0, WidgetData.watch_path))
-            if node.data(0, WidgetData.debug_geos):
-                helper.settings.setValue("debug_geos", node.data(0, WidgetData.debug_geos))
+        for internal_id, ssh_user in self._keyring_cleanup_id_user:
+            service_name = "{0}.{1}_{2}".format(
+                helper.settings.applicationName(),
+                helper.settings.organizationName(),
+                internal_id
+            )
+            try:
+                # Remove information from os keyring, which we collected on_btn_delete_clicked
+                keyring.delete_password(service_name, ssh_user)
+            except KeyringError as e:
+                pi.logger.error(e)

        helper.settings.remove("connections")
-        helper.settings.beginWriteArray("connections")

-        counter_index = 0
        for i in range(self.tre_connections.topLevelItemCount()):
            root_item = self.tre_connections.topLevelItem(i)
            if root_item.type() == NodeType.DIR:
                for k in range(root_item.childCount()):
-                    helper.settings.setArrayIndex(counter_index)
-                    set_settings(root_item.child(k))
-                    counter_index += 1
+                    revpi_settings = root_item.child(k).data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+                    revpi_settings.folder = root_item.text(0)
+                    revpi_settings.save_settings()
            elif root_item.type() == NodeType.CON:
-                helper.settings.setArrayIndex(counter_index)
-                set_settings(root_item)
-                counter_index += 1
-
-        helper.settings.endArray()
+                revpi_settings = root_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+                revpi_settings.folder = ""
+                revpi_settings.save_settings()

        self.changes = False
        super(RevPiPlcList, self).accept()
@@ -159,6 +129,17 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        self._load_settings()
        return super(RevPiPlcList, self).exec()

+    def exec_with_presets(self, presets: RevPiSettings) -> int:
+        """
+        Start dialog with new created settings object and presets.
+
+        :param presets: Use these settings as preset
+        :return: Dialog status
+        """
+        self._load_settings()
+        self.on_btn_add_clicked(presets)
+        return super(RevPiPlcList, self).exec()
+
    @QtCore.pyqtSlot(QtWidgets.QAbstractButton)
    def on_btn_box_clicked(self, button: QtWidgets.QAbstractButton):
        if self.btn_box.buttonRole(button) == QtWidgets.QDialogButtonBox.DestructiveRole:
@@ -168,6 +149,7 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
    # region #      REGION: Connection management

    def _edit_state(self):
+        """Set enabled status of all controls, depending on selected item."""
        item = self.tre_connections.currentItem()
        if item is None:
            up_ok = False
@@ -196,6 +178,10 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        self.sbx_timeout.setEnabled(con_item)
        self.cbb_folder.setEnabled(con_item or dir_item)

+        self.cbx_ssh_use_tunnel.setEnabled(con_item)
+        self.sbx_ssh_port.setEnabled(con_item)
+        self.txt_ssh_user.setEnabled(con_item)
+
    def _get_folder_item(self, name: str):
        """Find the folder entry by name."""
        for i in range(self.tre_connections.topLevelItemCount()):
@@ -217,6 +203,7 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
            if 0 <= new_index < dir_item.childCount():
                item = dir_item.takeChild(index)
                dir_item.insertChild(new_index, item)
+            self.tre_connections.expandItem(dir_item)
        else:
            index = self.tre_connections.indexOfTopLevelItem(item)
            new_index = index + count
@@ -234,34 +221,48 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        self._edit_state()
        if current and current.type() == NodeType.CON:
            self.__current_item = current
-            self.txt_name.setText(current.text(0))
-            self.txt_address.setText(current.text(1))
-            self.sbx_port.setValue(current.data(0, WidgetData.port))
-            self.sbx_timeout.setValue(current.data(0, WidgetData.timeout))
+
+            settings = current.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+            self.txt_name.setText(settings.name)
+            self.txt_address.setText(settings.address)
+            self.sbx_port.setValue(settings.port)
+            self.sbx_timeout.setValue(settings.timeout)
            if current.parent() is None:
                self.cbb_folder.setCurrentIndex(0)
            else:
                self.cbb_folder.setCurrentText(current.parent().text(0))
+
+            self.cbx_ssh_use_tunnel.setChecked(settings.ssh_use_tunnel)
+            self.sbx_ssh_port.setValue(settings.ssh_port)
+            self.txt_ssh_user.setText(settings.ssh_user)
+
        elif current and current.type() == NodeType.DIR:
            self.__current_item = current
            self.cbb_folder.setCurrentText(current.text(0))
+
        else:
            self.__current_item = QtWidgets.QTreeWidgetItem()
            self.cbb_folder.setCurrentText(current.text(0) if current else "")

    @QtCore.pyqtSlot()
-    def on_btn_up_pressed(self):
+    def on_btn_up_clicked(self):
        self._move_item(-1)

    @QtCore.pyqtSlot()
-    def on_btn_down_pressed(self):
+    def on_btn_down_clicked(self):
        self._move_item(1)

    @QtCore.pyqtSlot()
-    def on_btn_delete_pressed(self):
+    def on_btn_delete_clicked(self):
        """Remove selected entry."""
        item = self.tre_connections.currentItem()
        if item and item.type() == NodeType.CON:
+
+            revpi_settings = item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+            if revpi_settings.ssh_saved_password:
+                # Cleans up keyring in save function
+                self._keyring_cleanup_id_user.append((revpi_settings.internal_id, revpi_settings.ssh_user))
+
            dir_node = item.parent()
            if dir_node:
                dir_node.removeChild(item)
@@ -272,19 +273,21 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        self._edit_state()

    @QtCore.pyqtSlot()
-    def on_btn_add_pressed(self):
+    def on_btn_add_clicked(self, settings_preset: RevPiSettings = None):
        """Create new element."""
-        self.__current_item = QtWidgets.QTreeWidgetItem(NodeType.CON)
-        self.__current_item.setIcon(0, QtGui.QIcon(":/main/ico/cpu.ico"))
-        self.__current_item.setText(0, self.__default_name)
-        self.__current_item.setData(0, WidgetData.port, self.__default_port)
+        settings = settings_preset or RevPiSettings()
+        new_item = QtWidgets.QTreeWidgetItem(NodeType.CON)
+        new_item.setIcon(0, QtGui.QIcon(":/main/ico/cpu.ico"))
+        new_item.setText(0, settings.name)
+        new_item.setData(0, WidgetData.revpi_settings, settings)
        sub_folder = self._get_folder_item(self.cbb_folder.currentText())
        if sub_folder:
-            sub_folder.addChild(self.__current_item)
+            sub_folder.addChild(new_item)
        else:
-            self.tre_connections.addTopLevelItem(self.__current_item)
+            self.tre_connections.addTopLevelItem(new_item)

-        self.tre_connections.setCurrentItem(self.__current_item)
+        # This will load all settings and prepare widgets
+        self.tre_connections.setCurrentItem(new_item)
        self.txt_name.setFocus()
        self.txt_name.selectAll()

@@ -293,24 +296,58 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
        if self.__current_item.type() != NodeType.CON:
            return
        self.__current_item.setText(0, text)
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.name = text
+        self.changes = True

    @QtCore.pyqtSlot(str)
    def on_txt_address_textEdited(self, text):
        if self.__current_item.type() != NodeType.CON:
            return
        self.__current_item.setText(1, text)
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.address = text
+        self.changes = True

    @QtCore.pyqtSlot(int)
    def on_sbx_port_valueChanged(self, value: int):
        if self.__current_item.type() != NodeType.CON:
            return
-        self.__current_item.setData(0, WidgetData.port, value)
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.port = value
+        self.changes = True

    @QtCore.pyqtSlot(int)
    def on_sbx_timeout_valueChanged(self, value: int):
        if self.__current_item.type() != NodeType.CON:
            return
-        self.__current_item.setData(0, WidgetData.timeout, value)
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.timeout = value
+        self.changes = True
+
+    @QtCore.pyqtSlot(int)
+    def on_cbx_ssh_use_tunnel_stateChanged(self, check_state: int):
+        if self.__current_item.type() != NodeType.CON:
+            return
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.ssh_use_tunnel = check_state == QtCore.Qt.CheckState.Checked
+        self.changes = True
+
+    @QtCore.pyqtSlot(int)
+    def on_sbx_ssh_port_valueChanged(self, value: int):
+        if self.__current_item.type() != NodeType.CON:
+            return
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.ssh_port = value
+        self.changes = True
+
+    @QtCore.pyqtSlot(str)
+    def on_txt_ssh_user_textEdited(self, text):
+        if self.__current_item.type() != NodeType.CON:
+            return
+        settings = self.__current_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
+        settings.ssh_user = text
+        self.changes = True

    @QtCore.pyqtSlot(str)
    def on_cbb_folder_editTextChanged(self, text: str):
--- a/src/revpicommander/revpiprogram.py
+++ b/src/revpicommander/revpiprogram.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Revolution Pi PLC program configuration."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2018 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 import gzip
@@ -14,9 +14,9 @@ from xmlrpc.client import Binary

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-import proginit as pi
-from ui.revpiprogram_ui import Ui_diag_program
+from . import helper
+from . import proginit as pi
+from .ui.revpiprogram_ui import Ui_diag_program


 class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
@@ -58,8 +58,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):

        :return: True, if unsaved changes was found
        """
-        return \
-            self.cbb_plcprogram.currentText() != self.dc.get("plcprogram", "") or \
+        return self.cbb_plcprogram.currentText() != self.dc.get("plcprogram", "") or \
            self.txt_plcarguments.text() != self.dc.get("plcarguments", "") or \
            self.rbn_pythonversion_2.isChecked() != (self.dc.get("pythonversion", 3) == 2) or \
            self.rbn_pythonversion_3.isChecked() != (self.dc.get("pythonversion", 3) == 3) or \
@@ -213,7 +212,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
                )
            )
        elif ec == 0:
-            helper.cm.program_last_pictory_file = filename
+            helper.cm.settings.last_pictory_file = filename
            if ask == QtWidgets.QMessageBox.Yes:
                QtWidgets.QMessageBox.information(
                    self, self.tr("Success"), self.tr(
@@ -319,21 +318,16 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
        self.cbx_pictory.setEnabled(index >= 1)

    @QtCore.pyqtSlot()
-    def on_btn_program_download_pressed(self):
+    def on_btn_program_download_clicked(self):
        """Download plc program from Revolution Pi."""
        if not helper.cm.connected:
            return

-        selected_dir = ""
-
        if self.cbb_format.currentIndex() == 0:
            # Save files as zip archive
            diag_save = QtWidgets.QFileDialog(
                self, self.tr("Save ZIP archive..."),
-                os.path.join(
-                    helper.cm.program_last_zip_file,
-                    "{0}.zip".format(helper.cm.name)
-                ),
+                helper.cm.settings.last_zip_file or "{0}.zip".format(helper.cm.settings.name),
                self.tr("ZIP archive (*.zip);;All files (*.*)")
            )
            diag_save.setAcceptMode(QtWidgets.QFileDialog.AcceptSave)
@@ -345,16 +339,13 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            filename = diag_save.selectedFiles()[0]
            fh = open(filename, "wb")

-            helper.cm.program_last_zip_file = filename
+            helper.cm.settings.last_zip_file = filename

        elif self.cbb_format.currentIndex() == 1:
            # Save files as TarGz archive
            diag_save = QtWidgets.QFileDialog(
                self, self.tr("Save TGZ archive..."),
-                os.path.join(
-                    helper.cm.program_last_tar_file,
-                    "{0}.tgz".format(helper.cm.name)
-                ),
+                helper.cm.settings.last_tar_file or "{0}.tgz".format(helper.cm.settings.name),
                self.tr("TGZ archive (*.tgz);;All files (*.*)")
            )
            diag_save.setAcceptMode(QtWidgets.QFileDialog.AcceptSave)
@@ -366,7 +357,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            filename = diag_save.selectedFiles()[0]
            fh = open(filename, "wb")

-            helper.cm.program_last_tar_file = filename
+            helper.cm.settings.last_tar_file = filename

        else:
            # Other indexes are not allowed for download
@@ -405,7 +396,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
                )

    @QtCore.pyqtSlot()
-    def on_btn_program_upload_pressed(self):
+    def on_btn_program_upload_clicked(self):
        """Upload plc program to Revolution Pi."""
        if not helper.cm.connected:
            return
@@ -426,7 +417,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            # Upload zip archive content
            diag_open = QtWidgets.QFileDialog(
                self, self.tr("Upload content of ZIP archive..."),
-                helper.cm.program_last_file_upload,
+                helper.cm.settings.last_file_upload,
                self.tr("ZIP archive (*.zip);;All files (*.*)")
            )
            diag_open.setAcceptMode(QtWidgets.QFileDialog.AcceptOpen)
@@ -438,7 +429,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
                return

            filename = diag_open.selectedFiles()[0]
-            helper.cm.program_last_file_upload = filename
+            helper.cm.settings.last_file_upload = filename
            if zipfile.is_zipfile(filename):
                dirtmp = mkdtemp()
                fhz = zipfile.ZipFile(filename)
@@ -460,7 +451,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            # Upload TarGz content
            diag_open = QtWidgets.QFileDialog(
                self, self.tr("Upload content of TAR archive..."),
-                helper.cm.program_last_file_upload,
+                helper.cm.settings.last_file_upload,
                self.tr("TAR archive (*.tgz);;All files (*.*)")
            )
            diag_open.setAcceptMode(QtWidgets.QFileDialog.AcceptOpen)
@@ -472,7 +463,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
                return

            filename = diag_open.selectedFiles()[0]
-            helper.cm.program_last_file_upload = filename
+            helper.cm.settings.last_file_upload = filename
            if tarfile.is_tarfile(filename):
                dirtmp = mkdtemp()
                fht = tarfile.open(filename)
@@ -598,7 +589,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
    # region #      REGION: Control files

    @QtCore.pyqtSlot()
-    def on_btn_pictory_download_pressed(self):
+    def on_btn_pictory_download_clicked(self):
        """Download piCtory configuration."""
        if not helper.cm.connected:
            return
@@ -606,8 +597,8 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
        diag_save = QtWidgets.QFileDialog(
            self, self.tr("Save piCtory file..."),
            os.path.join(
-                helper.cm.program_last_dir_pictory,
-                "{0}.rsc".format(helper.cm.name)
+                helper.cm.settings.last_dir_pictory,
+                "{0}.rsc".format(helper.cm.settings.name)
            ),
            self.tr("piCtory file (*.rsc);;All files (*.*)")
        )
@@ -619,7 +610,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            return

        filename = diag_save.selectedFiles()[0]
-        helper.cm.program_last_dir_pictory = os.path.dirname(filename)
+        helper.cm.settings.last_dir_pictory = os.path.dirname(filename)
        bin_buffer = helper.cm.call_remote_function("get_pictoryrsc")  # type: Binary
        if bin_buffer is None:
            QtWidgets.QMessageBox.critical(
@@ -639,13 +630,13 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            )

    @QtCore.pyqtSlot()
-    def on_btn_pictory_upload_pressed(self):
+    def on_btn_pictory_upload_clicked(self):
        if not helper.cm.connected:
            return

        diag_open = QtWidgets.QFileDialog(
            self, self.tr("Upload piCtory file..."),
-            helper.cm.program_last_pictory_file,
+            helper.cm.settings.last_pictory_file or "{0}.rsc".format(helper.cm.settings.name),
            self.tr("piCtory file (*.rsc);;All files (*.*)")
        )
        diag_open.setAcceptMode(QtWidgets.QFileDialog.AcceptOpen)
@@ -659,7 +650,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
        self._upload_pictory(diag_open.selectedFiles()[0])

    @QtCore.pyqtSlot()
-    def on_btn_procimg_download_pressed(self):
+    def on_btn_procimg_download_clicked(self):
        """Download process image."""
        if not helper.cm.connected:
            return
@@ -668,8 +659,8 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            self,
            self.tr("Save piControl file..."),
            os.path.join(
-                helper.cm.program_last_dir_picontrol,
-                "{0}.img".format(helper.cm.name)
+                helper.cm.settings.last_dir_picontrol,
+                "{0}.img".format(helper.cm.settings.name)
            ),
            self.tr("Process image file (*.img);;All files (*.*)")
        )
@@ -681,7 +672,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
            return

        filename = diag_save.selectedFiles()[0]
-        helper.cm.program_last_dir_picontrol = os.path.dirname(filename)
+        helper.cm.settings.last_dir_picontrol = os.path.dirname(filename)
        bin_buffer = helper.cm.call_remote_function("get_procimg")  # type: Binary

        if bin_buffer is None:
--- a/src/revpicommander/simulator.py
+++ b/src/revpicommander/simulator.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Simulator for piControl."""
 __author__ = "Sven Sager"
-__copyright__ = "Copyright (C) 2021 Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"

 from os import W_OK, access
@@ -9,8 +9,8 @@ from os.path import basename, dirname, exists, join

 from PyQt5 import QtCore, QtGui, QtWidgets

-import helper
-from ui.simulator_ui import Ui_diag_simulator
+from . import helper
+from .ui.simulator_ui import Ui_diag_simulator


 class Simulator(QtWidgets.QDialog, Ui_diag_simulator):
@@ -110,7 +110,7 @@ class Simulator(QtWidgets.QDialog, Ui_diag_simulator):
        configrsc_file = self.txt_configrsc.text()
        procimg_file = self.txt_procimg.text()
        if configrsc_file and procimg_file:
-            file_access = access(procimg_file, W_OK)
+            file_access = access(procimg_file, W_OK) if exists(procimg_file) else access(dirname(procimg_file), W_OK)
            self.txt_info.setPlainText("configrsc=\"{0}\", procimg=\"{1}\"".format(configrsc_file, procimg_file))
            self.btn_start_pictory.setEnabled(file_access)
            self.btn_start_empty.setEnabled(file_access)
--- a/src/revpicommander/ssh_tunneling/init.py
+++ b/src/revpicommander/ssh_tunneling/init.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+"""Package of ssh tunnel connections."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
--- a/src/revpicommander/ssh_tunneling/server.py
+++ b/src/revpicommander/ssh_tunneling/server.py
@@ -0,0 +1,173 @@
+# -*- coding: utf-8 -*-
+"""
+Connect to a remote host and tunnel a port.
+
+This was crated on base of the paramiko library demo file forward.py, see on
+GitHub https://github.com/paramiko/paramiko/blob/main/demos/forward.py
+"""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+import select
+from socketserver import BaseRequestHandler, ThreadingTCPServer
+from threading import Thread
+
+from paramiko.client import SSHClient, WarningPolicy
+from paramiko.rsakey import RSAKey
+from paramiko.ssh_exception import PasswordRequiredException
+from paramiko.transport import Transport
+
+
+class ForwardServer(ThreadingTCPServer):
+    daemon_threads = True
+    allow_reuse_address = True
+
+
+class Handler(BaseRequestHandler):
+    def handle(self):
+        try:
+            chan = self.ssh_transport.open_channel(
+                "direct-tcpip",
+                (self.chain_host, self.chain_port),
+                self.request.getpeername(),
+            )
+        except Exception as e:
+            return
+        if chan is None:
+            return
+
+        while True:
+            r, w, x = select.select([self.request, chan], [], [], 5.0)
+            if self.request in r:
+                data = self.request.recv(1024)
+                if len(data) == 0:
+                    break
+                chan.send(data)
+            if chan in r:
+                data = chan.recv(1024)
+                if len(data) == 0:
+                    break
+                self.request.send(data)
+
+        chan.close()
+        self.request.close()
+
+
+class SSHLocalTunnel:
+
+    def __init__(self, remote_tunnel_port: int, ssh_host: str, ssh_port: int = 22):
+        """
+        Connect to a ssh remote host and tunnel a port to your host.
+
+        :param remote_tunnel_port: Port on the remote host to tunnel through ssh
+        :param ssh_host: ssh remote host address
+        :param ssh_port: ssh remote host port
+        """
+        self._remote_tunnel_port = remote_tunnel_port
+        self._ssh_host = ssh_host
+        self._ssh_port = ssh_port
+
+        self._th_server = Thread()
+
+        self._ssh_client = SSHClient()
+        self._ssh_client.load_system_host_keys()
+        self._ssh_client.set_missing_host_key_policy(WarningPolicy())
+
+        self._ssh_transport = None  # type: Transport
+        self._forward_server = None  # type: ThreadingTCPServer
+        self._local_tunnel_port = None  # type: int
+
+    def __th_target(self):
+        """Server thread for socket mirror."""
+        self._forward_server.serve_forever()
+
+    def _configure_forward_server(self) -> int:
+        """
+        Configure forward server for port mirror.
+
+        :return: Local port on wich the remote port is connected
+        """
+        self._ssh_transport = self._ssh_client.get_transport()
+
+        class SubHandler(Handler):
+            chain_host = "127.0.0.1"
+            chain_port = self._remote_tunnel_port
+            ssh_transport = self._ssh_transport
+
+        self._forward_server = ForwardServer(("127.0.0.1", 0), SubHandler)
+        self._local_tunnel_port = self._forward_server.socket.getsockname()[1]
+
+        self._th_server = Thread(target=self.__th_target)
+        self._th_server.start()
+
+        return self._local_tunnel_port
+
+    def connect_by_credentials(self, username: str, password: str) -> int:
+        """
+        Connect to a ssh remote host and tunnel specified port of localhost.
+
+        :return: Local port on wich the remote port is connected
+        """
+        if self._th_server.is_alive():
+            raise RuntimeError("Already connected")
+
+        self._ssh_client.connect(
+            hostname=self._ssh_host,
+            port=self._ssh_port,
+            username=username,
+            password=password,
+        )
+
+        return self._configure_forward_server()
+
+    def connect_by_keyfile(self, username: str, key_file: str, key_password: str = None) -> int:
+        """
+        Connect to a ssh remote host and tunnel specified port of localhost.
+
+        :return: Local port on wich the remote port is connected
+        """
+        if self._th_server.is_alive():
+            raise RuntimeError("Already connected")
+
+        if self.key_file_password_protected(key_file):
+            private_key = RSAKey.from_private_key_file(key_file, key_password)
+        else:
+            private_key = RSAKey.from_private_key_file(key_file)
+
+        self._ssh_client.connect(
+            hostname=self._ssh_host,
+            port=self._ssh_port,
+            username=username,
+            pkey=private_key,
+            look_for_keys=True,
+        )
+
+        return self._configure_forward_server()
+
+    def disconnect(self):
+        """Close SSH tunnel connection."""
+        self._local_tunnel_port = None
+        if self._forward_server:
+            self._forward_server.shutdown()
+            self._forward_server.server_close()
+        if self._ssh_transport:
+            self._ssh_transport.close()
+        self._ssh_client.close()
+
+    @staticmethod
+    def key_file_password_protected(key_file: str) -> bool:
+        try:
+            RSAKey.from_private_key_file(key_file)
+        except PasswordRequiredException:
+            return True
+        return False
+
+    @property
+    def connected(self):
+        """Check connection state of ssh tunnel."""
+        return self._ssh_transport and self._ssh_transport.is_active()
+
+    @property
+    def local_tunnel_port(self) -> int:
+        return self._local_tunnel_port
--- a/src/revpicommander/sshauth.py
+++ b/src/revpicommander/sshauth.py
@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+"""Authentication dialog for SSH."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
+
+from logging import getLogger
+
+import keyring
+from PyQt5 import QtWidgets
+from keyring.errors import KeyringError
+
+from .ui.sshauth_ui import Ui_diag_sshauth
+
+log = getLogger()
+
+
+class SSHAuth(QtWidgets.QDialog, Ui_diag_sshauth):
+
+    def __init__(self, user_name="", service_name: str = None, parent=None):
+        """
+        Ask the user for username and password or use saved entries.
+
+        If you want to use the operating system's password storage, you have
+        to set a 'service_name'. The value must be unique for your application
+        or for each user, if the username is the same.
+
+        :param user_name: Preset username, also used to check password save
+        :param service_name: Identity to save passwords in os's password save
+        :param parent: Qt parent for this dialog
+        """
+        log.debug("SSHAuth.__init__")
+
+        super(SSHAuth, self).__init__(parent)
+        self.setupUi(self)
+
+        self._in_keyring = False
+        self._service_name = service_name
+        self.cbx_save_password.setVisible(bool(service_name))
+        self.txt_username.setText(user_name)
+
+    def accept(self) -> None:
+        log.debug("SSHAuth.accept")
+
+        if self._service_name and self.cbx_save_password.isChecked():
+            try:
+                keyring.set_password(self._service_name, self.username, self.password)
+            except KeyringError as e:
+                log.error(e)
+                self._in_keyring = False
+                QtWidgets.QMessageBox.warning(
+                    self, self.tr("Could not save password"), self.tr(
+                        "Could not save password to operating systems password save.\n\n"
+                        "Maybe your operating system does not support saving passwords. "
+                        "This could be due to missing libraries or programs.\n\n"
+                        "This is not an error of RevPi Commander."
+                    )
+                )
+            else:
+                self._in_keyring = True
+
+        super().accept()
+
+    def exec(self) -> int:
+        log.debug("SSHAuth.exec")
+
+        if self._service_name:
+            try:
+                saved_password = keyring.get_password(self._service_name, self.username)
+            except KeyringError as e:
+                log.error(e)
+                self._in_keyring = False
+            else:
+                if saved_password:
+                    self._in_keyring = True
+                    self.txt_password.setText(saved_password)
+                    return QtWidgets.QDialog.Accepted
+
+        return super().exec()
+
+    def remove_saved_password(self) -> None:
+        """Remove saved password."""
+        log.debug("SSHAuth.remove_saved_password")
+
+        if self._service_name:
+            try:
+                keyring.delete_password(self._service_name, self.username)
+            except KeyringError as e:
+                log.error(e)
+
+    @property
+    def in_keyring(self) -> bool:
+        """True, if password is in keyring."""
+        return self._in_keyring
+
+    @property
+    def password(self) -> str:
+        """Get the saved or entered password."""
+        return self.txt_password.text()
+
+    @property
+    def username(self) -> str:
+        """Get the entered username."""
+        return self.txt_username.text()
--- a/src/revpicommander/ui/init.py
+++ b/src/revpicommander/ui/init.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+"""Package of compiled Qt ui files."""
+__author__ = "Sven Sager"
+__copyright__ = "Copyright (C) 2023 Sven Sager"
+__license__ = "GPLv3"
--- a/src/revpicommander/ui/aclmanager_ui.py
+++ b/src/revpicommander/ui/aclmanager_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'aclmanager.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -86,6 +87,7 @@ class Ui_diag_aclmanager(object):
        self.txt_ip_a.setObjectName("txt_ip_a")
        self.hl_ip.addWidget(self.txt_ip_a)
        self.lbl_ip_a = QtWidgets.QLabel(self.gb_edit)
+        self.lbl_ip_a.setText(".")
        self.lbl_ip_a.setObjectName("lbl_ip_a")
        self.hl_ip.addWidget(self.lbl_ip_a)
        self.txt_ip_b = QtWidgets.QLineEdit(self.gb_edit)
@@ -93,6 +95,7 @@ class Ui_diag_aclmanager(object):
        self.txt_ip_b.setObjectName("txt_ip_b")
        self.hl_ip.addWidget(self.txt_ip_b)
        self.lbl_ip_b = QtWidgets.QLabel(self.gb_edit)
+        self.lbl_ip_b.setText(".")
        self.lbl_ip_b.setObjectName("lbl_ip_b")
        self.hl_ip.addWidget(self.lbl_ip_b)
        self.txt_ip_c = QtWidgets.QLineEdit(self.gb_edit)
@@ -100,6 +103,7 @@ class Ui_diag_aclmanager(object):
        self.txt_ip_c.setObjectName("txt_ip_c")
        self.hl_ip.addWidget(self.txt_ip_c)
        self.lbl_ip_c = QtWidgets.QLabel(self.gb_edit)
+        self.lbl_ip_c.setText(".")
        self.lbl_ip_c.setObjectName("lbl_ip_c")
        self.hl_ip.addWidget(self.lbl_ip_c)
        self.txt_ip_d = QtWidgets.QLineEdit(self.gb_edit)
@@ -120,8 +124,8 @@ class Ui_diag_aclmanager(object):
        self.verticalLayout.addWidget(self.btn_box)

        self.retranslateUi(diag_aclmanager)
-        self.btn_box.accepted.connect(diag_aclmanager.accept)
-        self.btn_box.rejected.connect(diag_aclmanager.reject)
+        self.btn_box.accepted.connect(diag_aclmanager.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_aclmanager.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_aclmanager)
        diag_aclmanager.setTabOrder(self.tb_acls, self.btn_edit)
        diag_aclmanager.setTabOrder(self.btn_edit, self.btn_remove)
@@ -146,9 +150,6 @@ class Ui_diag_aclmanager(object):
        self.btn_add.setText(_translate("diag_aclmanager", "&Save entry"))
        self.lbl_ip.setText(_translate("diag_aclmanager", "IP address:"))
        self.lbl_level.setText(_translate("diag_aclmanager", "Access level:"))
-        self.lbl_ip_a.setText(_translate("diag_aclmanager", "."))
-        self.lbl_ip_b.setText(_translate("diag_aclmanager", "."))
-        self.lbl_ip_c.setText(_translate("diag_aclmanager", "."))


 if __name__ == "__main__":
--- a/src/revpicommander/ui/avahisearch_ui.py
+++ b/src/revpicommander/ui/avahisearch_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'avahisearch.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -64,9 +65,21 @@ class Ui_diag_search(object):
        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Close)
        self.btn_box.setObjectName("btn_box")
        self.gridLayout.addWidget(self.btn_box, 3, 0, 1, 2)
+        self.act_copy_host = QtWidgets.QAction(diag_search)
+        self.act_copy_host.setObjectName("act_copy_host")
+        self.act_copy_ip = QtWidgets.QAction(diag_search)
+        self.act_copy_ip.setObjectName("act_copy_ip")
+        self.act_open_pictory = QtWidgets.QAction(diag_search)
+        self.act_open_pictory.setObjectName("act_open_pictory")
+        self.act_connect_ssh = QtWidgets.QAction(diag_search)
+        self.act_connect_ssh.setObjectName("act_connect_ssh")
+        self.act_connect_xmlrpc = QtWidgets.QAction(diag_search)
+        self.act_connect_xmlrpc.setObjectName("act_connect_xmlrpc")
+        self.act_connect = QtWidgets.QAction(diag_search)
+        self.act_connect.setObjectName("act_connect")

        self.retranslateUi(diag_search)
-        self.btn_box.rejected.connect(diag_search.reject)
+        self.btn_box.rejected.connect(diag_search.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_search)

    def retranslateUi(self, diag_search):
@@ -81,6 +94,15 @@ class Ui_diag_search(object):
        item.setText(_translate("diag_search", "IP address"))
        self.btn_connect.setText(_translate("diag_search", "&Connect to Revolution Pi"))
        self.btn_save.setText(_translate("diag_search", "&Save connection"))
+        self.act_copy_host.setText(_translate("diag_search", "Copy host name"))
+        self.act_copy_ip.setText(_translate("diag_search", "Copy IP address"))
+        self.act_open_pictory.setText(_translate("diag_search", "Open piCtory"))
+        self.act_connect_ssh.setText(_translate("diag_search", "Connect via SSH (recommended)"))
+        self.act_connect_ssh.setToolTip(_translate("diag_search", "Establish a connection via encrypted SSH tunnel"))
+        self.act_connect_xmlrpc.setText(_translate("diag_search", "Connect via XML-RPC"))
+        self.act_connect_xmlrpc.setToolTip(_translate("diag_search", "You have to configure your Revolution Pi to accept this connections"))
+        self.act_connect.setText(_translate("diag_search", "Connect"))
+        self.act_connect.setToolTip(_translate("diag_search", "Connect to Revoluton Pi"))
 from . import ressources_rc


--- a/src/revpicommander/ui/backgroundworker_ui.py
+++ b/src/revpicommander/ui/backgroundworker_ui.py
@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'backgroundworker.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.7
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_diag_backgroundworker(object):
+    def setupUi(self, diag_backgroundworker):
+        diag_backgroundworker.setObjectName("diag_backgroundworker")
+        diag_backgroundworker.resize(418, 97)
+        diag_backgroundworker.setModal(True)
+        self.verticalLayout = QtWidgets.QVBoxLayout(diag_backgroundworker)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.lbl_status = QtWidgets.QLabel(diag_backgroundworker)
+        self.lbl_status.setText("Status message...")
+        self.lbl_status.setObjectName("lbl_status")
+        self.verticalLayout.addWidget(self.lbl_status)
+        self.pgb_status = QtWidgets.QProgressBar(diag_backgroundworker)
+        self.pgb_status.setMinimumSize(QtCore.QSize(400, 0))
+        self.pgb_status.setObjectName("pgb_status")
+        self.verticalLayout.addWidget(self.pgb_status)
+        self.btn_box = QtWidgets.QDialogButtonBox(diag_backgroundworker)
+        self.btn_box.setOrientation(QtCore.Qt.Horizontal)
+        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel)
+        self.btn_box.setCenterButtons(True)
+        self.btn_box.setObjectName("btn_box")
+        self.verticalLayout.addWidget(self.btn_box)
+
+        self.retranslateUi(diag_backgroundworker)
+        QtCore.QMetaObject.connectSlotsByName(diag_backgroundworker)
+
+    def retranslateUi(self, diag_backgroundworker):
+        _translate = QtCore.QCoreApplication.translate
+        diag_backgroundworker.setWindowTitle(_translate("diag_backgroundworker", "File transfer..."))
+
+
+if __name__ == "__main__":
+    import sys
+    app = QtWidgets.QApplication(sys.argv)
+    diag_backgroundworker = QtWidgets.QDialog()
+    ui = Ui_diag_backgroundworker()
+    ui.setupUi(diag_backgroundworker)
+    diag_backgroundworker.show()
+    sys.exit(app.exec_())
--- a/src/revpicommander/ui/debugcontrol_ui.py
+++ b/src/revpicommander/ui/debugcontrol_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'debugcontrol.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -35,9 +36,15 @@ class Ui_wid_debugcontrol(object):
        self.verticalLayout = QtWidgets.QVBoxLayout(self.gb_control)
        self.verticalLayout.setObjectName("verticalLayout")
        self.btn_read_io = QtWidgets.QPushButton(self.gb_control)
+        self.btn_read_io.setAutoRepeat(True)
+        self.btn_read_io.setAutoRepeatDelay(100)
+        self.btn_read_io.setAutoRepeatInterval(200)
        self.btn_read_io.setObjectName("btn_read_io")
        self.verticalLayout.addWidget(self.btn_read_io)
        self.btn_refresh_io = QtWidgets.QPushButton(self.gb_control)
+        self.btn_refresh_io.setAutoRepeat(True)
+        self.btn_refresh_io.setAutoRepeatDelay(100)
+        self.btn_refresh_io.setAutoRepeatInterval(200)
        self.btn_refresh_io.setObjectName("btn_refresh_io")
        self.verticalLayout.addWidget(self.btn_refresh_io)
        self.btn_write_o = QtWidgets.QPushButton(self.gb_control)
@@ -61,15 +68,16 @@ class Ui_wid_debugcontrol(object):
        self.gb_devices.setTitle(_translate("wid_debugcontrol", "Revolution Pi devices"))
        self.cbx_stay_on_top.setText(_translate("wid_debugcontrol", "Open to stay on top"))
        self.gb_control.setTitle(_translate("wid_debugcontrol", "IO Control"))
-        self.btn_read_io.setToolTip(_translate("wid_debugcontrol", "Read all IO values and discard local changes (F4)"))
+        self.btn_read_io.setToolTip(_translate("wid_debugcontrol", "Read all IO values and discard local changes (F4)\n"
+"\n"
+"Hold this button pressed and it will refresh the IOs every 200 ms."))
        self.btn_read_io.setText(_translate("wid_debugcontrol", "Read &all IO values"))
-        self.btn_read_io.setShortcut(_translate("wid_debugcontrol", "F4"))
-        self.btn_refresh_io.setToolTip(_translate("wid_debugcontrol", "Refresh all IO values which are locally not changed (F5)"))
+        self.btn_refresh_io.setToolTip(_translate("wid_debugcontrol", "Refresh all IO values which are locally not changed (F5)\n"
+"\n"
+"Hold this button pressed and it will refresh the IOs every 200 ms."))
        self.btn_refresh_io.setText(_translate("wid_debugcontrol", "&Refresh unchanged IOs"))
-        self.btn_refresh_io.setShortcut(_translate("wid_debugcontrol", "F5"))
        self.btn_write_o.setToolTip(_translate("wid_debugcontrol", "Write locally changed output values to process image (F6)"))
        self.btn_write_o.setText(_translate("wid_debugcontrol", "&Write changed outputs"))
-        self.btn_write_o.setShortcut(_translate("wid_debugcontrol", "F6"))
        self.cbx_refresh.setText(_translate("wid_debugcontrol", "&Auto refresh values"))
        self.cbx_write.setText(_translate("wid_debugcontrol", "and write outputs"))

--- a/src/revpicommander/ui/debugios_ui.py
+++ b/src/revpicommander/ui/debugios_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'debugios.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
--- a/src/revpicommander/ui/files_ui.py
+++ b/src/revpicommander/ui/files_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'files.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -55,6 +56,7 @@ class Ui_win_files(object):
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.lbl_path_local.sizePolicy().hasHeightForWidth())
        self.lbl_path_local.setSizePolicy(sizePolicy)
+        self.lbl_path_local.setToolTip("/")
        self.lbl_path_local.setText("/")
        self.lbl_path_local.setObjectName("lbl_path_local")
        self.gridLayout_2.addWidget(self.lbl_path_local, 1, 0, 1, 3)
@@ -98,6 +100,7 @@ class Ui_win_files(object):
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.lbl_path_revpi.sizePolicy().hasHeightForWidth())
        self.lbl_path_revpi.setSizePolicy(sizePolicy)
+        self.lbl_path_revpi.setToolTip("/")
        self.lbl_path_revpi.setText("/")
        self.lbl_path_revpi.setObjectName("lbl_path_revpi")
        self.gridLayout_3.addWidget(self.lbl_path_revpi, 1, 0, 1, 2)
@@ -162,10 +165,8 @@ class Ui_win_files(object):
        self.lbl_select_local.setText(_translate("win_files", "Path to development root:"))
        self.btn_select_local.setToolTip(_translate("win_files", "Open developer root directory"))
        self.btn_refresh_local.setToolTip(_translate("win_files", "Reload file list"))
-        self.lbl_path_local.setToolTip(_translate("win_files", "/"))
        self.tree_files_local.setSortingEnabled(True)
        self.gb_select_revpi.setTitle(_translate("win_files", "Revolution Pi"))
-        self.lbl_path_revpi.setToolTip(_translate("win_files", "/"))
        self.lbl_select_revpi.setText(_translate("win_files", "RevPiPyLoad working directory:"))
        self.btn_refresh_revpi.setToolTip(_translate("win_files", "Reload file list"))
        self.tree_files_revpi.setSortingEnabled(True)
--- a/src/revpicommander/ui/mqttmanager_ui.py
+++ b/src/revpicommander/ui/mqttmanager_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'mqttmanager.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -117,8 +118,8 @@ class Ui_diag_mqtt(object):
        self.verticalLayout.addWidget(self.btn_box)

        self.retranslateUi(diag_mqtt)
-        self.btn_box.accepted.connect(diag_mqtt.accept)
-        self.btn_box.rejected.connect(diag_mqtt.reject)
+        self.btn_box.accepted.connect(diag_mqtt.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_mqtt.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_mqtt)

    def retranslateUi(self, diag_mqtt):
--- a/src/revpicommander/ui/ressources_rc.py
+++ b/src/revpicommander/ui/ressources_rc.py
--- a/src/revpicommander/ui/revpicommander_ui.py
+++ b/src/revpicommander/ui/revpicommander_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpicommander.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -13,45 +14,78 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_win_revpicommander(object):
    def setupUi(self, win_revpicommander):
        win_revpicommander.setObjectName("win_revpicommander")
-        win_revpicommander.resize(318, 273)
+        win_revpicommander.resize(353, 299)
+        win_revpicommander.setWindowTitle("RevPi Commander")
        icon = QtGui.QIcon()
        icon.addPixmap(QtGui.QPixmap(":/main/ico/revpipycontrol.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
        win_revpicommander.setWindowIcon(icon)
        self.centralwidget = QtWidgets.QWidget(win_revpicommander)
        self.centralwidget.setObjectName("centralwidget")
-        self.gl = QtWidgets.QGridLayout(self.centralwidget)
+        self.gl = QtWidgets.QVBoxLayout(self.centralwidget)
        self.gl.setObjectName("gl")
+        self.hzl_connection = QtWidgets.QHBoxLayout()
+        self.hzl_connection.setObjectName("hzl_connection")
+        self.txt_host = QtWidgets.QLineEdit(self.centralwidget)
+        self.txt_host.setFocusPolicy(QtCore.Qt.NoFocus)
+        self.txt_host.setText("")
+        self.txt_host.setReadOnly(True)
+        self.txt_host.setObjectName("txt_host")
+        self.hzl_connection.addWidget(self.txt_host)
        self.txt_connection = QtWidgets.QLineEdit(self.centralwidget)
        self.txt_connection.setFocusPolicy(QtCore.Qt.NoFocus)
+        self.txt_connection.setText("")
        self.txt_connection.setReadOnly(True)
        self.txt_connection.setObjectName("txt_connection")
-        self.gl.addWidget(self.txt_connection, 0, 0, 1, 1)
+        self.hzl_connection.addWidget(self.txt_connection)
+        self.gl.addLayout(self.hzl_connection)
        self.btn_plc_start = QtWidgets.QPushButton(self.centralwidget)
+        icon1 = QtGui.QIcon()
+        icon1.addPixmap(QtGui.QPixmap(":/action/ico/system-run.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.btn_plc_start.setIcon(icon1)
        self.btn_plc_start.setObjectName("btn_plc_start")
-        self.gl.addWidget(self.btn_plc_start, 1, 0, 1, 1)
+        self.gl.addWidget(self.btn_plc_start)
        self.btn_plc_stop = QtWidgets.QPushButton(self.centralwidget)
+        icon2 = QtGui.QIcon()
+        icon2.addPixmap(QtGui.QPixmap(":/action/ico/process-stop.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.btn_plc_stop.setIcon(icon2)
        self.btn_plc_stop.setObjectName("btn_plc_stop")
-        self.gl.addWidget(self.btn_plc_stop, 2, 0, 1, 1)
+        self.gl.addWidget(self.btn_plc_stop)
        self.btn_plc_restart = QtWidgets.QPushButton(self.centralwidget)
+        icon3 = QtGui.QIcon()
+        icon3.addPixmap(QtGui.QPixmap(":/action/ico/view-refresh.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.btn_plc_restart.setIcon(icon3)
        self.btn_plc_restart.setObjectName("btn_plc_restart")
-        self.gl.addWidget(self.btn_plc_restart, 3, 0, 1, 1)
+        self.gl.addWidget(self.btn_plc_restart)
        self.btn_plc_logs = QtWidgets.QPushButton(self.centralwidget)
+        icon4 = QtGui.QIcon()
+        icon4.addPixmap(QtGui.QPixmap(":/action/ico/applications-utilities.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.btn_plc_logs.setIcon(icon4)
        self.btn_plc_logs.setObjectName("btn_plc_logs")
-        self.gl.addWidget(self.btn_plc_logs, 4, 0, 1, 1)
+        self.gl.addWidget(self.btn_plc_logs)
+        self.hzl_status = QtWidgets.QHBoxLayout()
+        self.hzl_status.setObjectName("hzl_status")
+        self.lbl_status = QtWidgets.QLabel(self.centralwidget)
+        self.lbl_status.setObjectName("lbl_status")
+        self.hzl_status.addWidget(self.lbl_status)
        self.txt_status = QtWidgets.QLineEdit(self.centralwidget)
        self.txt_status.setFocusPolicy(QtCore.Qt.NoFocus)
+        self.txt_status.setText("")
        self.txt_status.setAlignment(QtCore.Qt.AlignCenter)
        self.txt_status.setReadOnly(True)
        self.txt_status.setObjectName("txt_status")
-        self.gl.addWidget(self.txt_status, 5, 0, 1, 1)
+        self.hzl_status.addWidget(self.txt_status)
+        self.gl.addLayout(self.hzl_status)
        self.btn_plc_debug = QtWidgets.QPushButton(self.centralwidget)
        self.btn_plc_debug.setMinimumSize(QtCore.QSize(300, 0))
+        icon5 = QtGui.QIcon()
+        icon5.addPixmap(QtGui.QPixmap(":/action/ico/edit-find.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
+        self.btn_plc_debug.setIcon(icon5)
        self.btn_plc_debug.setCheckable(True)
        self.btn_plc_debug.setObjectName("btn_plc_debug")
-        self.gl.addWidget(self.btn_plc_debug, 6, 0, 1, 1)
+        self.gl.addWidget(self.btn_plc_debug)
        win_revpicommander.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(win_revpicommander)
-        self.menubar.setGeometry(QtCore.QRect(0, 0, 318, 22))
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 353, 24))
        self.menubar.setObjectName("menubar")
        self.men_file = QtWidgets.QMenu(self.menubar)
        self.men_file.setObjectName("men_file")
@@ -67,8 +101,10 @@ class Ui_win_revpicommander(object):
        self.statusbar.setObjectName("statusbar")
        win_revpicommander.setStatusBar(self.statusbar)
        self.act_connections = QtWidgets.QAction(win_revpicommander)
+        self.act_connections.setShortcut("Ctrl+N")
        self.act_connections.setObjectName("act_connections")
        self.act_search = QtWidgets.QAction(win_revpicommander)
+        self.act_search.setShortcut("Ctrl+F")
        self.act_search.setObjectName("act_search")
        self.act_quit = QtWidgets.QAction(win_revpicommander)
        self.act_quit.setObjectName("act_quit")
@@ -77,16 +113,21 @@ class Ui_win_revpicommander(object):
        self.act_info = QtWidgets.QAction(win_revpicommander)
        self.act_info.setObjectName("act_info")
        self.act_logs = QtWidgets.QAction(win_revpicommander)
+        self.act_logs.setShortcut("Ctrl+L")
        self.act_logs.setObjectName("act_logs")
        self.act_options = QtWidgets.QAction(win_revpicommander)
+        self.act_options.setShortcut("Ctrl+O")
        self.act_options.setObjectName("act_options")
        self.act_program = QtWidgets.QAction(win_revpicommander)
+        self.act_program.setShortcut("Ctrl+P")
        self.act_program.setObjectName("act_program")
        self.act_developer = QtWidgets.QAction(win_revpicommander)
+        self.act_developer.setShortcut("Ctrl+D")
        self.act_developer.setObjectName("act_developer")
        self.act_pictory = QtWidgets.QAction(win_revpicommander)
        self.act_pictory.setObjectName("act_pictory")
        self.act_disconnect = QtWidgets.QAction(win_revpicommander)
+        self.act_disconnect.setShortcut("Ctrl+X")
        self.act_disconnect.setObjectName("act_disconnect")
        self.act_reset = QtWidgets.QAction(win_revpicommander)
        self.act_reset.setObjectName("act_reset")
@@ -116,7 +157,7 @@ class Ui_win_revpicommander(object):
        self.menubar.addAction(self.men_help.menuAction())

        self.retranslateUi(win_revpicommander)
-        self.act_quit.triggered.connect(win_revpicommander.close)
+        self.act_quit.triggered.connect(win_revpicommander.close) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(win_revpicommander)
        win_revpicommander.setTabOrder(self.btn_plc_start, self.btn_plc_stop)
        win_revpicommander.setTabOrder(self.btn_plc_stop, self.btn_plc_restart)
@@ -125,11 +166,11 @@ class Ui_win_revpicommander(object):

    def retranslateUi(self, win_revpicommander):
        _translate = QtCore.QCoreApplication.translate
-        win_revpicommander.setWindowTitle(_translate("win_revpicommander", "RevPi Python PLC Commander"))
        self.btn_plc_start.setText(_translate("win_revpicommander", "PLC &start"))
        self.btn_plc_stop.setText(_translate("win_revpicommander", "PLC s&top"))
        self.btn_plc_restart.setText(_translate("win_revpicommander", "PLC restart"))
        self.btn_plc_logs.setText(_translate("win_revpicommander", "PLC &logs"))
+        self.lbl_status.setText(_translate("win_revpicommander", "Status:"))
        self.btn_plc_debug.setText(_translate("win_revpicommander", "PLC watch &mode"))
        self.men_file.setTitle(_translate("win_revpicommander", "&File"))
        self.men_help.setTitle(_translate("win_revpicommander", "&Help"))
@@ -137,21 +178,15 @@ class Ui_win_revpicommander(object):
        self.men_connections.setTitle(_translate("win_revpicommander", "&Connections"))
        self.act_connections.setText(_translate("win_revpicommander", "&Connections..."))
        self.act_search.setText(_translate("win_revpicommander", "&Search Revolution Pi..."))
-        self.act_search.setShortcut(_translate("win_revpicommander", "Ctrl+F"))
        self.act_quit.setText(_translate("win_revpicommander", "&Quit"))
        self.act_webpage.setText(_translate("win_revpicommander", "Visit &webpage..."))
        self.act_info.setText(_translate("win_revpicommander", "&Info..."))
        self.act_logs.setText(_translate("win_revpicommander", "PLC &logs..."))
-        self.act_logs.setShortcut(_translate("win_revpicommander", "F3"))
        self.act_options.setText(_translate("win_revpicommander", "PLC &options..."))
-        self.act_options.setShortcut(_translate("win_revpicommander", "Ctrl+O"))
        self.act_program.setText(_translate("win_revpicommander", "PLC progra&m..."))
-        self.act_program.setShortcut(_translate("win_revpicommander", "Ctrl+P"))
        self.act_developer.setText(_translate("win_revpicommander", "PLC de&veloper..."))
-        self.act_developer.setShortcut(_translate("win_revpicommander", "F9"))
        self.act_pictory.setText(_translate("win_revpicommander", "piCtory configuraiton..."))
        self.act_disconnect.setText(_translate("win_revpicommander", "&Disconnect"))
-        self.act_disconnect.setShortcut(_translate("win_revpicommander", "Ctrl+X"))
        self.act_reset.setText(_translate("win_revpicommander", "Reset driver..."))
        self.act_simulator.setText(_translate("win_revpicommander", "RevPi si&mulator..."))
 from . import ressources_rc
--- a/src/revpicommander/ui/revpiinfo_ui.py
+++ b/src/revpicommander/ui/revpiinfo_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpiinfo.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -79,8 +80,8 @@ class Ui_diag_revpiinfo(object):
        self.gridLayout.addItem(spacerItem, 5, 0, 1, 1)

        self.retranslateUi(diag_revpiinfo)
-        self.btn_box.accepted.connect(diag_revpiinfo.accept)
-        self.btn_box.rejected.connect(diag_revpiinfo.reject)
+        self.btn_box.accepted.connect(diag_revpiinfo.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_revpiinfo.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_revpiinfo)

    def retranslateUi(self, diag_revpiinfo):
--- a/src/revpicommander/ui/revpilogfile_ui.py
+++ b/src/revpicommander/ui/revpilogfile_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpilogfile.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
--- a/src/revpicommander/ui/revpioption_ui.py
+++ b/src/revpicommander/ui/revpioption_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpioption.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -115,8 +116,8 @@ class Ui_diag_options(object):
        self.verticalLayout.addWidget(self.btn_box)

        self.retranslateUi(diag_options)
-        self.btn_box.accepted.connect(diag_options.accept)
-        self.btn_box.rejected.connect(diag_options.reject)
+        self.btn_box.accepted.connect(diag_options.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_options.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_options)

    def retranslateUi(self, diag_options):
--- a/src/revpicommander/ui/revpiplclist_ui.py
+++ b/src/revpicommander/ui/revpiplclist_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpiplclist.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -13,9 +14,98 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_diag_connections(object):
    def setupUi(self, diag_connections):
        diag_connections.setObjectName("diag_connections")
-        diag_connections.resize(520, 508)
+        diag_connections.resize(496, 569)
        self.gridLayout = QtWidgets.QGridLayout(diag_connections)
        self.gridLayout.setObjectName("gridLayout")
+        self.tab_properties = QtWidgets.QTabWidget(diag_connections)
+        self.tab_properties.setObjectName("tab_properties")
+        self.tab_connection = QtWidgets.QWidget()
+        self.tab_connection.setObjectName("tab_connection")
+        self.formLayout_2 = QtWidgets.QFormLayout(self.tab_connection)
+        self.formLayout_2.setObjectName("formLayout_2")
+        self.lbl_name = QtWidgets.QLabel(self.tab_connection)
+        self.lbl_name.setObjectName("lbl_name")
+        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.lbl_name)
+        self.txt_name = QtWidgets.QLineEdit(self.tab_connection)
+        self.txt_name.setObjectName("txt_name")
+        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.txt_name)
+        self.lbl_address = QtWidgets.QLabel(self.tab_connection)
+        self.lbl_address.setObjectName("lbl_address")
+        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.lbl_address)
+        self.txt_address = QtWidgets.QLineEdit(self.tab_connection)
+        self.txt_address.setObjectName("txt_address")
+        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.txt_address)
+        self.lbl_port = QtWidgets.QLabel(self.tab_connection)
+        self.lbl_port.setObjectName("lbl_port")
+        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.lbl_port)
+        self.sbx_port = QtWidgets.QSpinBox(self.tab_connection)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.sbx_port.sizePolicy().hasHeightForWidth())
+        self.sbx_port.setSizePolicy(sizePolicy)
+        self.sbx_port.setMinimum(1)
+        self.sbx_port.setMaximum(65535)
+        self.sbx_port.setProperty("value", 55123)
+        self.sbx_port.setObjectName("sbx_port")
+        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.sbx_port)
+        self.lbl_timeout = QtWidgets.QLabel(self.tab_connection)
+        self.lbl_timeout.setObjectName("lbl_timeout")
+        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.lbl_timeout)
+        self.sbx_timeout = QtWidgets.QSpinBox(self.tab_connection)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.sbx_timeout.sizePolicy().hasHeightForWidth())
+        self.sbx_timeout.setSizePolicy(sizePolicy)
+        self.sbx_timeout.setMinimum(5)
+        self.sbx_timeout.setMaximum(30)
+        self.sbx_timeout.setObjectName("sbx_timeout")
+        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.sbx_timeout)
+        self.lbl_folder = QtWidgets.QLabel(self.tab_connection)
+        self.lbl_folder.setObjectName("lbl_folder")
+        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.lbl_folder)
+        self.cbb_folder = QtWidgets.QComboBox(self.tab_connection)
+        self.cbb_folder.setEditable(True)
+        self.cbb_folder.setObjectName("cbb_folder")
+        self.cbb_folder.addItem("")
+        self.cbb_folder.setItemText(0, "")
+        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.cbb_folder)
+        self.tab_properties.addTab(self.tab_connection, "")
+        self.tab_ssh = QtWidgets.QWidget()
+        self.tab_ssh.setObjectName("tab_ssh")
+        self.formLayout = QtWidgets.QFormLayout(self.tab_ssh)
+        self.formLayout.setObjectName("formLayout")
+        self.lbl_ssh_use_tunnel = QtWidgets.QLabel(self.tab_ssh)
+        self.lbl_ssh_use_tunnel.setObjectName("lbl_ssh_use_tunnel")
+        self.formLayout.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.lbl_ssh_use_tunnel)
+        self.cbx_ssh_use_tunnel = QtWidgets.QCheckBox(self.tab_ssh)
+        self.cbx_ssh_use_tunnel.setText("")
+        self.cbx_ssh_use_tunnel.setChecked(True)
+        self.cbx_ssh_use_tunnel.setObjectName("cbx_ssh_use_tunnel")
+        self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.cbx_ssh_use_tunnel)
+        self.lbl_ssh_port = QtWidgets.QLabel(self.tab_ssh)
+        self.lbl_ssh_port.setObjectName("lbl_ssh_port")
+        self.formLayout.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.lbl_ssh_port)
+        self.sbx_ssh_port = QtWidgets.QSpinBox(self.tab_ssh)
+        self.sbx_ssh_port.setMaximum(65535)
+        self.sbx_ssh_port.setProperty("value", 22)
+        self.sbx_ssh_port.setObjectName("sbx_ssh_port")
+        self.formLayout.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.sbx_ssh_port)
+        self.lbl_ssh_user = QtWidgets.QLabel(self.tab_ssh)
+        self.lbl_ssh_user.setObjectName("lbl_ssh_user")
+        self.formLayout.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.lbl_ssh_user)
+        self.txt_ssh_user = QtWidgets.QLineEdit(self.tab_ssh)
+        self.txt_ssh_user.setText("pi")
+        self.txt_ssh_user.setObjectName("txt_ssh_user")
+        self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.txt_ssh_user)
+        self.tab_properties.addTab(self.tab_ssh, "")
+        self.gridLayout.addWidget(self.tab_properties, 1, 0, 1, 2)
+        self.btn_box = QtWidgets.QDialogButtonBox(diag_connections)
+        self.btn_box.setOrientation(QtCore.Qt.Horizontal)
+        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Discard|QtWidgets.QDialogButtonBox.Save)
+        self.btn_box.setObjectName("btn_box")
+        self.gridLayout.addWidget(self.btn_box, 2, 0, 1, 2)
        self.tre_connections = QtWidgets.QTreeWidget(diag_connections)
        self.tre_connections.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
        self.tre_connections.setObjectName("tre_connections")
@@ -53,82 +143,29 @@ class Ui_diag_connections(object):
        self.btn_add.setObjectName("btn_add")
        self.vl_edit.addWidget(self.btn_add)
        self.gridLayout.addLayout(self.vl_edit, 0, 1, 1, 1)
-        self.gb_properties = QtWidgets.QGroupBox(diag_connections)
-        self.gb_properties.setObjectName("gb_properties")
-        self.formLayout = QtWidgets.QFormLayout(self.gb_properties)
-        self.formLayout.setObjectName("formLayout")
-        self.lbl_name = QtWidgets.QLabel(self.gb_properties)
-        self.lbl_name.setObjectName("lbl_name")
-        self.formLayout.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.lbl_name)
-        self.lbl_folder = QtWidgets.QLabel(self.gb_properties)
-        self.lbl_folder.setObjectName("lbl_folder")
-        self.formLayout.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.lbl_folder)
-        self.lbl_address = QtWidgets.QLabel(self.gb_properties)
-        self.lbl_address.setObjectName("lbl_address")
-        self.formLayout.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.lbl_address)
-        self.lbl_port = QtWidgets.QLabel(self.gb_properties)
-        self.lbl_port.setObjectName("lbl_port")
-        self.formLayout.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.lbl_port)
-        self.txt_name = QtWidgets.QLineEdit(self.gb_properties)
-        self.txt_name.setObjectName("txt_name")
-        self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.txt_name)
-        self.txt_address = QtWidgets.QLineEdit(self.gb_properties)
-        self.txt_address.setObjectName("txt_address")
-        self.formLayout.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.txt_address)
-        self.sbx_port = QtWidgets.QSpinBox(self.gb_properties)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.sbx_port.sizePolicy().hasHeightForWidth())
-        self.sbx_port.setSizePolicy(sizePolicy)
-        self.sbx_port.setMinimum(1)
-        self.sbx_port.setMaximum(65535)
-        self.sbx_port.setProperty("value", 55123)
-        self.sbx_port.setObjectName("sbx_port")
-        self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.sbx_port)
-        self.cbb_folder = QtWidgets.QComboBox(self.gb_properties)
-        self.cbb_folder.setEditable(True)
-        self.cbb_folder.setObjectName("cbb_folder")
-        self.cbb_folder.addItem("")
-        self.cbb_folder.setItemText(0, "")
-        self.formLayout.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.cbb_folder)
-        self.lbl_timeout = QtWidgets.QLabel(self.gb_properties)
-        self.lbl_timeout.setObjectName("lbl_timeout")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.lbl_timeout)
-        self.sbx_timeout = QtWidgets.QSpinBox(self.gb_properties)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.sbx_timeout.sizePolicy().hasHeightForWidth())
-        self.sbx_timeout.setSizePolicy(sizePolicy)
-        self.sbx_timeout.setMinimum(5)
-        self.sbx_timeout.setMaximum(30)
-        self.sbx_timeout.setObjectName("sbx_timeout")
-        self.formLayout.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.sbx_timeout)
-        self.gridLayout.addWidget(self.gb_properties, 1, 0, 1, 2)
-        self.btn_box = QtWidgets.QDialogButtonBox(diag_connections)
-        self.btn_box.setOrientation(QtCore.Qt.Horizontal)
-        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Discard|QtWidgets.QDialogButtonBox.Save)
-        self.btn_box.setObjectName("btn_box")
-        self.gridLayout.addWidget(self.btn_box, 2, 0, 1, 2)

        self.retranslateUi(diag_connections)
-        self.btn_box.accepted.connect(diag_connections.accept)
-        self.btn_box.rejected.connect(diag_connections.reject)
+        self.tab_properties.setCurrentIndex(0)
+        self.btn_box.accepted.connect(diag_connections.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_connections.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_connections)

    def retranslateUi(self, diag_connections):
        _translate = QtCore.QCoreApplication.translate
        diag_connections.setWindowTitle(_translate("diag_connections", "Revolution Pi connections"))
-        self.tre_connections.headerItem().setText(0, _translate("diag_connections", "Connection name"))
-        self.tre_connections.headerItem().setText(1, _translate("diag_connections", "Address"))
-        self.gb_properties.setTitle(_translate("diag_connections", "Connection properties"))
        self.lbl_name.setText(_translate("diag_connections", "Display name:"))
-        self.lbl_folder.setText(_translate("diag_connections", "Sub folder:"))
        self.lbl_address.setText(_translate("diag_connections", "Address (DNS/IP):"))
        self.lbl_port.setText(_translate("diag_connections", "Port (Default {0}):"))
        self.lbl_timeout.setText(_translate("diag_connections", "Connection timeout:"))
        self.sbx_timeout.setSuffix(_translate("diag_connections", " sec."))
+        self.lbl_folder.setText(_translate("diag_connections", "Sub folder:"))
+        self.tab_properties.setTabText(self.tab_properties.indexOf(self.tab_connection), _translate("diag_connections", "Connection"))
+        self.lbl_ssh_use_tunnel.setText(_translate("diag_connections", "Connect over SSH tunnel:"))
+        self.lbl_ssh_port.setText(_translate("diag_connections", "SSH port:"))
+        self.lbl_ssh_user.setText(_translate("diag_connections", "SSH user name:"))
+        self.tab_properties.setTabText(self.tab_properties.indexOf(self.tab_ssh), _translate("diag_connections", "Over SSH"))
+        self.tre_connections.headerItem().setText(0, _translate("diag_connections", "Connection name"))
+        self.tre_connections.headerItem().setText(1, _translate("diag_connections", "Address"))
 from . import ressources_rc


--- a/src/revpicommander/ui/revpiprogram_ui.py
+++ b/src/revpicommander/ui/revpiprogram_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'revpiprogram.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -104,8 +105,8 @@ class Ui_diag_program(object):
        self.verticalLayout.addWidget(self.btn_box)

        self.retranslateUi(diag_program)
-        self.btn_box.accepted.connect(diag_program.accept)
-        self.btn_box.rejected.connect(diag_program.reject)
+        self.btn_box.accepted.connect(diag_program.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_program.reject) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_program)
        diag_program.setTabOrder(self.cbb_plcprogram, self.txt_plcarguments)
        diag_program.setTabOrder(self.txt_plcarguments, self.rbn_pythonversion_2)
--- a/src/revpicommander/ui/simulator_ui.py
+++ b/src/revpicommander/ui/simulator_ui.py
@@ -2,9 +2,10 @@

 # Form implementation generated from reading ui file 'simulator.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.1
+# Created by: PyQt5 UI code generator 5.15.7
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.


 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -92,9 +93,9 @@ class Ui_diag_simulator(object):
        self.verticalLayout.addWidget(self.btn_start_nochange)

        self.retranslateUi(diag_simulator)
-        self.btn_start_empty.clicked.connect(diag_simulator.accept)
-        self.btn_start_nochange.clicked.connect(diag_simulator.accept)
-        self.btn_start_pictory.clicked.connect(diag_simulator.accept)
+        self.btn_start_empty.clicked.connect(diag_simulator.accept) # type: ignore
+        self.btn_start_nochange.clicked.connect(diag_simulator.accept) # type: ignore
+        self.btn_start_pictory.clicked.connect(diag_simulator.accept) # type: ignore
        QtCore.QMetaObject.connectSlotsByName(diag_simulator)
        diag_simulator.setTabOrder(self.cbb_history, self.btn_configrsc)
        diag_simulator.setTabOrder(self.btn_configrsc, self.cbx_stop_remove)
--- a/src/revpicommander/ui/sshauth_ui.py
+++ b/src/revpicommander/ui/sshauth_ui.py
@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'sshauth.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.7
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_diag_sshauth(object):
+    def setupUi(self, diag_sshauth):
+        diag_sshauth.setObjectName("diag_sshauth")
+        diag_sshauth.setWindowModality(QtCore.Qt.ApplicationModal)
+        diag_sshauth.resize(363, 163)
+        self.verticalLayout = QtWidgets.QVBoxLayout(diag_sshauth)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.wid_password = QtWidgets.QWidget(diag_sshauth)
+        self.wid_password.setObjectName("wid_password")
+        self.formLayout = QtWidgets.QFormLayout(self.wid_password)
+        self.formLayout.setObjectName("formLayout")
+        self.lbl_username = QtWidgets.QLabel(self.wid_password)
+        self.lbl_username.setObjectName("lbl_username")
+        self.formLayout.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.lbl_username)
+        self.lbl_password = QtWidgets.QLabel(self.wid_password)
+        self.lbl_password.setObjectName("lbl_password")
+        self.formLayout.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.lbl_password)
+        self.txt_password = QtWidgets.QLineEdit(self.wid_password)
+        self.txt_password.setEchoMode(QtWidgets.QLineEdit.Password)
+        self.txt_password.setObjectName("txt_password")
+        self.formLayout.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.txt_password)
+        self.txt_username = QtWidgets.QLineEdit(self.wid_password)
+        self.txt_username.setObjectName("txt_username")
+        self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.txt_username)
+        self.verticalLayout.addWidget(self.wid_password)
+        self.cbx_save_password = QtWidgets.QCheckBox(diag_sshauth)
+        self.cbx_save_password.setObjectName("cbx_save_password")
+        self.verticalLayout.addWidget(self.cbx_save_password)
+        self.btn_box = QtWidgets.QDialogButtonBox(diag_sshauth)
+        self.btn_box.setOrientation(QtCore.Qt.Horizontal)
+        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.btn_box.setObjectName("btn_box")
+        self.verticalLayout.addWidget(self.btn_box)
+
+        self.retranslateUi(diag_sshauth)
+        self.btn_box.accepted.connect(diag_sshauth.accept) # type: ignore
+        self.btn_box.rejected.connect(diag_sshauth.reject) # type: ignore
+        QtCore.QMetaObject.connectSlotsByName(diag_sshauth)
+
+    def retranslateUi(self, diag_sshauth):
+        _translate = QtCore.QCoreApplication.translate
+        diag_sshauth.setWindowTitle(_translate("diag_sshauth", "SSH authentication"))
+        self.lbl_username.setText(_translate("diag_sshauth", "SSH username:"))
+        self.lbl_password.setText(_translate("diag_sshauth", "SSH password:"))
+        self.cbx_save_password.setToolTip(_translate("diag_sshauth", "Username and password will be saved in secured operating systems\'s password storage."))
+        self.cbx_save_password.setText(_translate("diag_sshauth", "Save username and password"))
+
+
+if __name__ == "__main__":
+    import sys
+    app = QtWidgets.QApplication(sys.argv)
+    diag_sshauth = QtWidgets.QDialog()
+    ui = Ui_diag_sshauth()
+    ui.setupUi(diag_sshauth)
+    diag_sshauth.show()
+    sys.exit(app.exec_())
--- a/stdeb.cfg
+++ b/stdeb.cfg
@@ -1,6 +0,0 @@
-[DEFAULT]
-Debian-Version=1
-Depends3=python3-pyqt5, python3-revpimodio2, python3-zeroconf
-Section=universe/x11
-Suite=stable
-X-Python3-Version: >=3.4
--- a/translate.pro
+++ b/translate.pro
@@ -1,31 +1,35 @@
-SOURCES       = revpicommander/aclmanager.py \
-                revpicommander/avahisearch.py \
-                revpicommander/debugcontrol.py \
-                revpicommander/debugios.py \
-                revpicommander/mqttmanager.py \
-                revpicommander/revpifiles.py \
-                revpicommander/revpiinfo.py \
-                revpicommander/revpilogfile.py \
-                revpicommander/revpioption.py \
-                revpicommander/revpiplclist.py \
-                revpicommander/revpiprogram.py \
-                revpicommander/simulator.py \
-                revpicommander/revpicommander.py
+SOURCES       = src/revpicommander/aclmanager.py \
+                src/revpicommander/avahisearch.py \
+                src/revpicommander/debugcontrol.py \
+                src/revpicommander/debugios.py \
+                src/revpicommander/helper.py \
+                src/revpicommander/mqttmanager.py \
+                src/revpicommander/revpifiles.py \
+                src/revpicommander/revpiinfo.py \
+                src/revpicommander/revpilogfile.py \
+                src/revpicommander/revpioption.py \
+                src/revpicommander/revpiplclist.py \
+                src/revpicommander/revpiprogram.py \
+                src/revpicommander/simulator.py \
+                src/revpicommander/sshauth.py \
+                src/revpicommander/revpicommander.py

-FORMS         = include/ui_dev/aclmanager.ui \
-                include/ui_dev/avahisearch.ui \
-                include/ui_dev/debugcontrol.ui \
-                include/ui_dev/debugios.ui \
-                include/ui_dev/files.ui \
-                include/ui_dev/mqttmanager.ui \
-                include/ui_dev/revpiinfo.ui \
-                include/ui_dev/revpilogfile.ui \
-                include/ui_dev/revpioption.ui \
-                include/ui_dev/revpiplclist.ui \
-                include/ui_dev/revpiprogram.ui \
-                include/ui_dev/simulator.ui \
-                include/ui_dev/revpicommander.ui
+FORMS         = ui_dev/aclmanager.ui \
+                ui_dev/avahisearch.ui \
+                ui_dev/backgroundworker.ui \
+                ui_dev/debugcontrol.ui \
+                ui_dev/debugios.ui \
+                ui_dev/files.ui \
+                ui_dev/mqttmanager.ui \
+                ui_dev/revpiinfo.ui \
+                ui_dev/revpilogfile.ui \
+                ui_dev/revpioption.ui \
+                ui_dev/revpiplclist.ui \
+                ui_dev/revpiprogram.ui \
+                ui_dev/simulator.ui \
+                ui_dev/sshauth.ui \
+                ui_dev/revpicommander.ui

-TRANSLATIONS  = revpicommander/locale/revpicommander_de.ts
+TRANSLATIONS  = src/revpicommander/locale/revpicommander_de.ts

 CODECRORTR    = UTF-8
--- a/include/ui_dev/aclmanager.ui
+++ b/include/ui_dev/aclmanager.ui
@@ -145,7 +145,7 @@
          <item>
           <widget class="QLabel" name="lbl_ip_a">
            <property name="text">
-             <string>.</string>
+             <string notr="true">.</string>
            </property>
           </widget>
          </item>
@@ -159,7 +159,7 @@
          <item>
           <widget class="QLabel" name="lbl_ip_b">
            <property name="text">
-             <string>.</string>
+             <string notr="true">.</string>
            </property>
           </widget>
          </item>
@@ -173,7 +173,7 @@
          <item>
           <widget class="QLabel" name="lbl_ip_c">
            <property name="text">
-             <string>.</string>
+             <string notr="true">.</string>
            </property>
           </widget>
          </item>
--- a/include/ui_dev/avahisearch.ui
+++ b/include/ui_dev/avahisearch.ui
@@ -120,6 +120,45 @@
    </widget>
   </item>
  </layout>
+  <action name="act_copy_host">
+   <property name="text">
+    <string>Copy host name</string>
+   </property>
+  </action>
+  <action name="act_copy_ip">
+   <property name="text">
+    <string>Copy IP address</string>
+   </property>
+  </action>
+  <action name="act_open_pictory">
+   <property name="text">
+    <string>Open piCtory</string>
+   </property>
+  </action>
+  <action name="act_connect_ssh">
+   <property name="text">
+    <string>Connect via SSH (recommended)</string>
+   </property>
+   <property name="toolTip">
+    <string>Establish a connection via encrypted SSH tunnel</string>
+   </property>
+  </action>
+  <action name="act_connect_xmlrpc">
+   <property name="text">
+    <string>Connect via XML-RPC</string>
+   </property>
+   <property name="toolTip">
+    <string>You have to configure your Revolution Pi to accept this connections</string>
+   </property>
+  </action>
+  <action name="act_connect">
+   <property name="text">
+    <string>Connect</string>
+   </property>
+   <property name="toolTip">
+    <string>Connect to Revoluton Pi</string>
+   </property>
+  </action>
 </widget>
 <resources>
  <include location="ressources.qrc"/>
--- a/ui_dev/backgroundworker.ui
+++ b/ui_dev/backgroundworker.ui
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>diag_backgroundworker</class>
+ <widget class="QDialog" name="diag_backgroundworker">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>418</width>
+    <height>97</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>File transfer...</string>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="lbl_status">
+     <property name="text">
+      <string notr="true">Status message...</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QProgressBar" name="pgb_status">
+     <property name="minimumSize">
+      <size>
+       <width>400</width>
+       <height>0</height>
+      </size>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="btn_box">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel</set>
+     </property>
+     <property name="centerButtons">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
--- a/include/ui_dev/debugcontrol.ui
+++ b/include/ui_dev/debugcontrol.ui
@@ -53,26 +53,42 @@
      <item>
       <widget class="QPushButton" name="btn_read_io">
        <property name="toolTip">
-         <string>Read all IO values and discard local changes (F4)</string>
+         <string>Read all IO values and discard local changes (F4)
+
+Hold this button pressed and it will refresh the IOs every 200 ms.</string>
        </property>
        <property name="text">
         <string>Read &amp;all IO values</string>
        </property>
-        <property name="shortcut">
-         <string>F4</string>
+        <property name="autoRepeat">
+         <bool>true</bool>
+        </property>
+        <property name="autoRepeatDelay">
+         <number>100</number>
+        </property>
+        <property name="autoRepeatInterval">
+         <number>200</number>
        </property>
       </widget>
      </item>
      <item>
       <widget class="QPushButton" name="btn_refresh_io">
        <property name="toolTip">
-         <string>Refresh all IO values which are locally not changed (F5)</string>
+         <string>Refresh all IO values which are locally not changed (F5)
+
+Hold this button pressed and it will refresh the IOs every 200 ms.</string>
        </property>
        <property name="text">
         <string>&amp;Refresh unchanged IOs</string>
        </property>
-        <property name="shortcut">
-         <string>F5</string>
+        <property name="autoRepeat">
+         <bool>true</bool>
+        </property>
+        <property name="autoRepeatDelay">
+         <number>100</number>
+        </property>
+        <property name="autoRepeatInterval">
+         <number>200</number>
        </property>
       </widget>
      </item>
@@ -84,9 +100,6 @@
        <property name="text">
         <string>&amp;Write changed outputs</string>
        </property>
-        <property name="shortcut">
-         <string>F6</string>
-        </property>
       </widget>
      </item>
      <item>
--- a/include/ui_dev/debugios.ui
+++ b/include/ui_dev/debugios.ui
--- a/include/ui_dev/files.ui
+++ b/include/ui_dev/files.ui
@@ -84,7 +84,7 @@
              </sizepolicy>
             </property>
             <property name="toolTip">
-              <string>/</string>
+              <string notr="true">/</string>
             </property>
             <property name="text">
              <string notr="true">/</string>
@@ -180,7 +180,7 @@
              </sizepolicy>
             </property>
             <property name="toolTip">
-              <string>/</string>
+              <string notr="true">/</string>
             </property>
             <property name="text">
              <string notr="true">/</string>
--- a/ui_dev/ico/applications-utilities.ico
+++ b/ui_dev/ico/applications-utilities.ico
--- a/include/ui_dev/ico/arrow-down.ico
+++ b/include/ui_dev/ico/arrow-down.ico
--- a/include/ui_dev/ico/arrow-left.ico
+++ b/include/ui_dev/ico/arrow-left.ico
--- a/include/ui_dev/ico/arrow-right.ico
+++ b/include/ui_dev/ico/arrow-right.ico
--- a/include/ui_dev/ico/arrow-up.ico
+++ b/include/ui_dev/ico/arrow-up.ico
--- a/include/ui_dev/ico/cpu.ico
+++ b/include/ui_dev/ico/cpu.ico
--- a/include/ui_dev/ico/edit-add.ico
+++ b/include/ui_dev/ico/edit-add.ico
--- a/include/ui_dev/ico/edit-delete.ico
+++ b/include/ui_dev/ico/edit-delete.ico
--- a/ui_dev/ico/edit-find.ico
+++ b/ui_dev/ico/edit-find.ico
--- a/include/ui_dev/ico/file-else.ico
+++ b/include/ui_dev/ico/file-else.ico
--- a/include/ui_dev/ico/file-python.ico
+++ b/include/ui_dev/ico/file-python.ico
--- a/include/ui_dev/ico/folder-open.ico
+++ b/include/ui_dev/ico/folder-open.ico
--- a/include/ui_dev/ico/folder.ico
+++ b/include/ui_dev/ico/folder.ico
--- a/ui_dev/ico/process-stop.ico
+++ b/ui_dev/ico/process-stop.ico
--- a/include/ui_dev/ico/refresh.ico
+++ b/include/ui_dev/ico/refresh.ico
--- a/include/ui_dev/ico/reload.ico
+++ b/include/ui_dev/ico/reload.ico
--- a/include/ui_dev/ico/revpipycontrol.ico
+++ b/include/ui_dev/ico/revpipycontrol.ico
--- a/ui_dev/ico/system-run.ico
+++ b/ui_dev/ico/system-run.ico
--- a/ui_dev/ico/system-search.ico
+++ b/ui_dev/ico/system-search.ico
--- a/ui_dev/ico/view-refresh.ico
+++ b/ui_dev/ico/view-refresh.ico
--- a/include/ui_dev/mqttmanager.ui
+++ b/include/ui_dev/mqttmanager.ui
--- a/include/ui_dev/ressources.qrc
+++ b/include/ui_dev/ressources.qrc
@@ -9,6 +9,12 @@
    <file>ico/file-python.ico</file>
  </qresource>
  <qresource prefix="action">
+    <file>ico/applications-utilities.ico</file>
+    <file>ico/edit-find.ico</file>
+    <file>ico/process-stop.ico</file>
+    <file>ico/system-run.ico</file>
+    <file>ico/system-search.ico</file>
+    <file>ico/view-refresh.ico</file>
    <file>ico/arrow-left.ico</file>
    <file>ico/arrow-right.ico</file>
    <file>ico/folder-open.ico</file>
--- a/include/ui_dev/revpicommander.ui
+++ b/include/ui_dev/revpicommander.ui
@@ -7,71 +7,121 @@
   <rect>
    <x>0</x>
    <y>0</y>
-    <width>318</width>
-    <height>273</height>
+    <width>353</width>
+    <height>299</height>
   </rect>
  </property>
  <property name="windowTitle">
-   <string>RevPi Python PLC Commander</string>
+   <string notr="true">RevPi Commander</string>
  </property>
  <property name="windowIcon">
   <iconset resource="ressources.qrc">
    <normaloff>:/main/ico/revpipycontrol.ico</normaloff>:/main/ico/revpipycontrol.ico</iconset>
  </property>
  <widget class="QWidget" name="centralwidget">
-   <layout class="QGridLayout" name="gl">
-    <item row="0" column="0">
-     <widget class="QLineEdit" name="txt_connection">
-      <property name="focusPolicy">
-       <enum>Qt::NoFocus</enum>
-      </property>
-      <property name="readOnly">
-       <bool>true</bool>
-      </property>
-     </widget>
+   <layout class="QVBoxLayout" name="gl">
+    <item>
+     <layout class="QHBoxLayout" name="hzl_connection">
+      <item>
+       <widget class="QLineEdit" name="txt_host">
+        <property name="focusPolicy">
+         <enum>Qt::NoFocus</enum>
+        </property>
+        <property name="text">
+         <string notr="true"/>
+        </property>
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="txt_connection">
+        <property name="focusPolicy">
+         <enum>Qt::NoFocus</enum>
+        </property>
+        <property name="text">
+         <string notr="true"/>
+        </property>
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+     </layout>
    </item>
-    <item row="1" column="0">
+    <item>
     <widget class="QPushButton" name="btn_plc_start">
      <property name="text">
       <string>PLC &amp;start</string>
      </property>
+      <property name="icon">
+       <iconset resource="ressources.qrc">
+        <normaloff>:/action/ico/system-run.ico</normaloff>:/action/ico/system-run.ico</iconset>
+      </property>
     </widget>
    </item>
-    <item row="2" column="0">
+    <item>
     <widget class="QPushButton" name="btn_plc_stop">
      <property name="text">
       <string>PLC s&amp;top</string>
      </property>
+      <property name="icon">
+       <iconset resource="ressources.qrc">
+        <normaloff>:/action/ico/process-stop.ico</normaloff>:/action/ico/process-stop.ico</iconset>
+      </property>
     </widget>
    </item>
-    <item row="3" column="0">
+    <item>
     <widget class="QPushButton" name="btn_plc_restart">
      <property name="text">
       <string>PLC restart</string>
      </property>
+      <property name="icon">
+       <iconset resource="ressources.qrc">
+        <normaloff>:/action/ico/view-refresh.ico</normaloff>:/action/ico/view-refresh.ico</iconset>
+      </property>
     </widget>
    </item>
-    <item row="4" column="0">
+    <item>
     <widget class="QPushButton" name="btn_plc_logs">
      <property name="text">
       <string>PLC &amp;logs</string>
      </property>
-     </widget>
-    </item>
-    <item row="5" column="0">
-     <widget class="QLineEdit" name="txt_status">
-      <property name="focusPolicy">
-       <enum>Qt::NoFocus</enum>
-      </property>
-      <property name="alignment">
-       <set>Qt::AlignCenter</set>
-      </property>
-      <property name="readOnly">
-       <bool>true</bool>
+      <property name="icon">
+       <iconset resource="ressources.qrc">
+        <normaloff>:/action/ico/applications-utilities.ico</normaloff>:/action/ico/applications-utilities.ico</iconset>
      </property>
     </widget>
    </item>
-    <item row="6" column="0">
+    <item>
+     <layout class="QHBoxLayout" name="hzl_status">
+      <item>
+       <widget class="QLabel" name="lbl_status">
+        <property name="text">
+         <string>Status:</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="txt_status">
+        <property name="focusPolicy">
+         <enum>Qt::NoFocus</enum>
+        </property>
+        <property name="text">
+         <string notr="true"/>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+        <property name="readOnly">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
     <widget class="QPushButton" name="btn_plc_debug">
      <property name="minimumSize">
       <size>
@@ -82,6 +132,10 @@
      <property name="text">
       <string>PLC watch &amp;mode</string>
      </property>
+      <property name="icon">
+       <iconset resource="ressources.qrc">
+        <normaloff>:/action/ico/edit-find.ico</normaloff>:/action/ico/edit-find.ico</iconset>
+      </property>
      <property name="checkable">
       <bool>true</bool>
      </property>
@@ -94,8 +148,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-     <width>318</width>
-     <height>22</height>
+     <width>353</width>
+     <height>24</height>
    </rect>
   </property>
   <widget class="QMenu" name="men_file">
@@ -150,13 +204,16 @@
   <property name="text">
    <string>&amp;Connections...</string>
   </property>
+   <property name="shortcut">
+    <string notr="true">Ctrl+N</string>
+   </property>
  </action>
  <action name="act_search">
   <property name="text">
    <string>&amp;Search Revolution Pi...</string>
   </property>
   <property name="shortcut">
-    <string>Ctrl+F</string>
+    <string notr="true">Ctrl+F</string>
   </property>
  </action>
  <action name="act_quit">
@@ -179,7 +236,7 @@
    <string>PLC &amp;logs...</string>
   </property>
   <property name="shortcut">
-    <string>F3</string>
+    <string notr="true">Ctrl+L</string>
   </property>
  </action>
  <action name="act_options">
@@ -187,7 +244,7 @@
    <string>PLC &amp;options...</string>
   </property>
   <property name="shortcut">
-    <string>Ctrl+O</string>
+    <string notr="true">Ctrl+O</string>
   </property>
  </action>
  <action name="act_program">
@@ -195,7 +252,7 @@
    <string>PLC progra&amp;m...</string>
   </property>
   <property name="shortcut">
-    <string>Ctrl+P</string>
+    <string notr="true">Ctrl+P</string>
   </property>
  </action>
  <action name="act_developer">
@@ -203,7 +260,7 @@
    <string>PLC de&amp;veloper...</string>
   </property>
   <property name="shortcut">
-    <string>F9</string>
+    <string notr="true">Ctrl+D</string>
   </property>
  </action>
  <action name="act_pictory">
@@ -216,7 +273,7 @@
    <string>&amp;Disconnect</string>
   </property>
   <property name="shortcut">
-    <string>Ctrl+X</string>
+    <string notr="true">Ctrl+X</string>
   </property>
  </action>
  <action name="act_reset">
--- a/include/ui_dev/revpiinfo.ui
+++ b/include/ui_dev/revpiinfo.ui
--- a/include/ui_dev/revpilogfile.ui
+++ b/include/ui_dev/revpilogfile.ui
--- a/include/ui_dev/revpioption.ui
+++ b/include/ui_dev/revpioption.ui
--- a/ui_dev/revpiplclist.ui
+++ b/ui_dev/revpiplclist.ui
@@ -0,0 +1,304 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>diag_connections</class>
+ <widget class="QDialog" name="diag_connections">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>496</width>
+    <height>569</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Revolution Pi connections</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="1" column="0" colspan="2">
+    <widget class="QTabWidget" name="tab_properties">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tab_connection">
+      <attribute name="title">
+       <string>Connection</string>
+      </attribute>
+      <layout class="QFormLayout" name="formLayout_2">
+       <item row="0" column="0">
+        <widget class="QLabel" name="lbl_name">
+         <property name="text">
+          <string>Display name:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="1">
+        <widget class="QLineEdit" name="txt_name"/>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="lbl_address">
+         <property name="text">
+          <string>Address (DNS/IP):</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QLineEdit" name="txt_address"/>
+       </item>
+       <item row="2" column="0">
+        <widget class="QLabel" name="lbl_port">
+         <property name="text">
+          <string>Port (Default {0}):</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QSpinBox" name="sbx_port">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimum">
+          <number>1</number>
+         </property>
+         <property name="maximum">
+          <number>65535</number>
+         </property>
+         <property name="value">
+          <number>55123</number>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="0">
+        <widget class="QLabel" name="lbl_timeout">
+         <property name="text">
+          <string>Connection timeout:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QSpinBox" name="sbx_timeout">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="suffix">
+          <string> sec.</string>
+         </property>
+         <property name="minimum">
+          <number>5</number>
+         </property>
+         <property name="maximum">
+          <number>30</number>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="0">
+        <widget class="QLabel" name="lbl_folder">
+         <property name="text">
+          <string>Sub folder:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="4" column="1">
+        <widget class="QComboBox" name="cbb_folder">
+         <property name="editable">
+          <bool>true</bool>
+         </property>
+         <item>
+          <property name="text">
+           <string/>
+          </property>
+         </item>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab_ssh">
+      <attribute name="title">
+       <string>Over SSH</string>
+      </attribute>
+      <layout class="QFormLayout" name="formLayout">
+       <item row="0" column="0">
+        <widget class="QLabel" name="lbl_ssh_use_tunnel">
+         <property name="text">
+          <string>Connect over SSH tunnel:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="1">
+        <widget class="QCheckBox" name="cbx_ssh_use_tunnel">
+         <property name="text">
+          <string notr="true"/>
+         </property>
+         <property name="checked">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="lbl_ssh_port">
+         <property name="text">
+          <string>SSH port:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QSpinBox" name="sbx_ssh_port">
+         <property name="maximum">
+          <number>65535</number>
+         </property>
+         <property name="value">
+          <number>22</number>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0">
+        <widget class="QLabel" name="lbl_ssh_user">
+         <property name="text">
+          <string>SSH user name:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="1">
+        <widget class="QLineEdit" name="txt_ssh_user">
+         <property name="text">
+          <string notr="true">pi</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item row="2" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="btn_box">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Discard|QDialogButtonBox::Save</set>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="0">
+    <widget class="QTreeWidget" name="tre_connections">
+     <property name="editTriggers">
+      <set>QAbstractItemView::NoEditTriggers</set>
+     </property>
+     <column>
+      <property name="text">
+       <string>Connection name</string>
+      </property>
+     </column>
+     <column>
+      <property name="text">
+       <string>Address</string>
+      </property>
+     </column>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <layout class="QVBoxLayout" name="vl_edit">
+     <item>
+      <spacer name="vs_edit">
+       <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>
+      <widget class="QPushButton" name="btn_up">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="ressources.qrc">
+         <normaloff>:/action/ico/arrow-up.ico</normaloff>:/action/ico/arrow-up.ico</iconset>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btn_down">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="ressources.qrc">
+         <normaloff>:/action/ico/arrow-down.ico</normaloff>:/action/ico/arrow-down.ico</iconset>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btn_delete">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="ressources.qrc">
+         <normaloff>:/action/ico/edit-delete.ico</normaloff>:/action/ico/edit-delete.ico</iconset>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btn_add">
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="ressources.qrc">
+         <normaloff>:/action/ico/edit-add.ico</normaloff>:/action/ico/edit-add.ico</iconset>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="ressources.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>btn_box</sender>
+   <signal>accepted()</signal>
+   <receiver>diag_connections</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btn_box</sender>
+   <signal>rejected()</signal>
+   <receiver>diag_connections</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
--- a/include/ui_dev/revpiprogram.ui
+++ b/include/ui_dev/revpiprogram.ui
--- a/include/ui_dev/simulator.ui
+++ b/include/ui_dev/simulator.ui
--- a/ui_dev/sshauth.ui
+++ b/ui_dev/sshauth.ui
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>diag_sshauth</class>
+ <widget class="QDialog" name="diag_sshauth">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>363</width>
+    <height>163</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>SSH authentication</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QWidget" name="wid_password" native="true">
+     <layout class="QFormLayout" name="formLayout">
+      <item row="0" column="0">
+       <widget class="QLabel" name="lbl_username">
+        <property name="text">
+         <string>SSH username:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="lbl_password">
+        <property name="text">
+         <string>SSH password:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QLineEdit" name="txt_password">
+        <property name="echoMode">
+         <enum>QLineEdit::Password</enum>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="txt_username"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QCheckBox" name="cbx_save_password">
+     <property name="toolTip">
+      <string>Username and password will be saved in secured operating systems's password storage.</string>
+     </property>
+     <property name="text">
+      <string>Save username and password</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="btn_box">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>btn_box</sender>
+   <signal>accepted()</signal>
+   <receiver>diag_sshauth</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btn_box</sender>
+   <signal>rejected()</signal>
+   <receiver>diag_sshauth</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
Author	SHA1	Message	Date
Sven Sager	b36e27a7f2	Clean up keyring when a connection is deleted	2023-01-10 23:23:55 +01:00
Sven Sager	5488e7cc81	Bugfix for new settings management Do not create new internal_id, if the setting already have one. Do not create new entries, if the setting is the last one in the array.	2023-01-10 15:17:29 +01:00
Sven Sager	8790e508ad	Show just the hostname without .local in avahisearch.py list	2023-01-10 15:06:46 +01:00
Sven Sager	7a7741e60b	Save SSH credentials with keyring module The keyring module will save the username and password of the SSH connection to the operating system password storage.	2023-01-10 09:08:33 +01:00
Sven Sager	2039f6cfe2	Set the use of ssh tunnel to default value for new settings	2023-01-09 20:47:35 +01:00
Sven Sager	1e8200cc55	Change most button pressed event to clicked and add global shortcuts Most events of the buttons was on pressed, which should not be used. Now the debugcontrol buttons has a repeating pressed event, if you hold the button, it will read the IOs every 200 ms. The shortcuts F4, F5, F6 to read/write IOs are now application wide.	2023-01-09 19:40:00 +01:00
Sven Sager	98b4879b7f	Manage revolution pi saved settings in an own class Start a complete new setting file with right naming. Import all old saved connections from old settings file. Revolution Pi saved settings are now in an own class with all properties and default values. All modules are using this new setting class, which support the save function.	2023-01-09 17:22:47 +01:00
Sven Sager	bfe30513a7	Update Windows setup script to match pyinstaller output	2023-01-07 14:24:10 +01:00
Sven Sager	09c95e2319	Update translation file	2023-01-07 13:57:45 +01:00
Sven Sager	2c77d7e513	Update Makefile rules	2023-01-07 11:15:39 +01:00
Sven Sager	d1a0457981	Choose connection type (ssh or xml-rpc) in avahisearch dialog	2023-01-07 11:12:58 +01:00
Sven Sager	0c7192e1d4	Configure and start ssh tunneled connections	2023-01-07 10:36:53 +01:00
Sven Sager	2f595f66aa	Prepare SSH tunnel server and password GUI	2023-01-06 17:59:24 +01:00
Sven Sager	da5d0a4a59	Use cm.call_remote_function to fetch log files via XML-RPC	2023-01-06 17:05:12 +01:00
Sven Sager	dee2da0d8c	QTranslator uses ui_languages to find translation Loading translations was very static, now we use the array, the user set in the gui to find a translation file.	2023-01-06 13:56:33 +01:00
Sven Sager	d0e6eefd0e	Add PyInstaller script for Windows	2023-01-05 15:55:30 +01:00
Sven Sager	7f9111b5b0	Update Makefile and requirements.txt for build and clean ui files	2023-01-04 22:26:47 +01:00
Sven Sager	2ac1477441	Add icons to commander main window for start, stop and so on	2023-01-04 21:43:20 +01:00
Sven Sager	a557759063	Switch to setuptools for setup.py	2023-01-04 19:59:47 +01:00
Sven Sager	3f2f3e0478	Switch project so src layout This will make it possible to build pip packages. Add a make file to compile UI files and build mac and win applications.	2023-01-04 18:12:59 +01:00
Sven Sager	2400bd6951	Add context menu with copy and piCtory actions to revpi search dialog	2023-01-03 13:45:32 +01:00
Sven Sager	9ec1f1b622	Bugfix: could not open debugcontrol, because of new layout names	2023-01-03 13:24:13 +01:00
Sven Sager	0eb28f442e	Add translation of status codes	2023-01-03 11:33:13 +01:00
Sven Sager	375df9eaba	Redesign main window with text boxes to copy host name or ip	2023-01-03 11:08:32 +01:00
Sven Sager	0a7eb43d94	Implement update function of ZeroConf ServiceListener	2023-01-03 11:07:11 +01:00
Sven Sager	03567dfefe	Improved shortcuts to meet the needs of different operating systems	2022-12-01 10:06:04 +01:00
Sven Sager	cef990df26	Fix qt parents of menu entries in connections	2022-12-01 09:57:04 +01:00
Sven Sager	42f43726f6	Add Windows files for pyinstaller and setup generation	2022-11-01 14:52:58 +01:00
Sven Sager	0164498a87	Design things: enable HighDpi, dependency versions, icon text	2021-11-19 10:33:13 +01:00
Sven Sager	ea9a13e18c	Bugfix: RevPi simulator could not be startet without existing proc.img file The simulator will create a new proc.img file on startup if it does not exist.	2021-06-27 11:45:01 +02:00
Sven Sager	0831e8253a	Fix error in debugios.py with long byte values Long byte values > 4 Bytes are handled as TEXT values. In some cases this could crash the sps monitor. Now, if we are not able to convert the bytes to a str(), we'll switch that io to "number" format.	2021-06-14 19:51:14 +02:00
Sven Sager	c1e082107d	New release	2021-06-13 21:32:47 +02:00
Sven Sager	f215b3bbc1	Improved RevPi search window Show names of already saved connections in parentheses Show connection error message if we can not connect to RevPi Save and restore geometry and column width	2021-06-13 21:30:59 +02:00
Sven Sager	1354568eb6	Reduce max block to load for log files on slow networks	2021-06-13 20:35:35 +02:00
Sven Sager	6bf453790a	Fix crash during add new connection	2021-06-04 15:41:43 +02:00
Sven Sager	61d543e6c7	Fix error on decoding broken log files	2021-06-03 21:14:18 +02:00
Sven Sager	4eec6306a9	Add upload progress display in developer, bugfix on file download in developer	2021-04-26 12:07:47 +02:00