Clean up keyring when a connection is deleted

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.

.idea/revpicommander.iml

@@ -4,6 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <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 3.9 (revpicommander)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />

MANIFEST.in

@@ -9,5 +9,4 @@ include README.md
 include requirements.txt
 include setup.iss
 include setup.py
-include stdeb.cfg
 include translate.pro

requirements.txt

@@ -4,4 +4,5 @@ revpimodio2>=2.5.6
 zeroconf>=0.24.4
 setuptools>=65.6.3
 wheel
-paramiko>=2.12.0
+paramiko>=2.12.0
+keyring>=23.13.1

setup.iss

@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "RevPi Commander"
-#define MyAppVersion "0.9.10rc1"
+#define MyAppVersion "0.9.10rc2"
 #define MyAppPublisher "Sven Sager"
 #define MyAppURL "https://revpimodio.org/"
 #define MyAppICO "data\revpicommander.ico"

setup.py

@@ -8,26 +8,26 @@ from setuptools import find_namespace_packages, setup
 
 setup(
     name="revpicommander",
-    version="0.9.10rc1",
+    version="0.9.10rc2",
 
     packages=find_namespace_packages("src"),
     package_dir={'': 'src'},
     include_package_data=True,
 
     install_requires=[
+        "keyring",
         "PyQt5",
         "revpimodio2",
         "zeroconf"
     ],
     entry_points={
-        'console_scripts': [
-            'revpicommander = revpicommander.revpicommander:main',
-        ],
         'gui_scripts': [
-            'RevPiCommander = revpicommander.revpicommander:main',
+            'revpicommander-gui = revpicommander.revpicommander:main',
         ],
     },
 
+    platforms=["all"],
+
     url="https://revpimodio.org/revpipyplc/",
     license="GPLv3",
     author="Sven Sager",
@@ -40,6 +40,7 @@ setup(
                      "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)",
     ],

src/revpicommander/aclmanager.py

@@ -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()

src/revpicommander/avahisearch.py

@@ -5,40 +5,18 @@ __copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"
 
 import webbrowser
-from os import name as osname
 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 WidgetData, settings
+from .helper import RevPiSettings, WidgetData, all_revpi_settings
 from .ui.avahisearch_ui import Ui_diag_search
 
 
-def find_settings_index(address: str, port: int) -> int:
-    """
-    Search index of saved settings.
-
-    :param address: Host or IP address of Revolution Pi
-    :param port: Port to connect
-    :return: Index of settings array or -1, if not found
-    """
-    settings_index = -1
-    for i in range(settings.beginReadArray("connections")):
-        settings.setArrayIndex(i)
-
-        _address = settings.value("address", type=str)
-        _port = settings.value("port", type=int)
-        if address.lower() == _address.lower() and port == _port:
-            settings_index = i
-            break
-
-    settings.endArray()
-    return settings_index
-
-
 class AvahiSearchThread(QtCore.QThread):
     """Search thread for Revolution Pi with installed RevPiPyLoad."""
     added = QtCore.pyqtSignal(str, str, int, str, str)
@@ -49,30 +27,11 @@ class AvahiSearchThread(QtCore.QThread):
         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) -> None:
-        """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) -> dict:
-        """
-        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) -> None:
         """Revolution Pi disappeared."""
         pi.logger.debug("AvahiSearchThread.remove_service")
@@ -115,17 +74,20 @@ class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
         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.connect_index = -1
+        self._th_zero_conf = AvahiSearchThread(self)
-        self.known_hosts = {}
-        self.th_zero_conf = AvahiSearchThread(self)
 
         self.tb_revpi.setColumnWidth(0, 250)
         self.btn_connect.setEnabled(False)
         self.btn_save.setEnabled(False)
 
-        self.restoreGeometry(settings.value("avahisearch/geo", b''))
+        self.restoreGeometry(helper.settings.value("avahisearch/geo", b''))
-        column_sizes = settings.value("avahisearch/column_sizes", [], type=list)
+        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]))
@@ -136,174 +98,148 @@ class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
         self.cm_connect_actions.addAction(self.act_connect_xmlrpc)
 
         self.cm_quick_actions = QtWidgets.QMenu(self)
-        self.cm_quick_actions.addAction(self.act_open_pictory)
+        self.cm_quick_actions.addAction(self.act_connect)
-        self.cm_quick_actions.addSeparator()
-        self.cm_quick_actions.addAction(self.act_copy_ip)
-        self.cm_quick_actions.addAction(self.act_copy_host)
-        self.cm_quick_actions.addSeparator()
         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_connect_exec(self, position: QtCore.QPoint) -> None:
-        row = self.tb_revpi.currentRow()
-        if row == -1:
-            return
-
-        item = self.tb_revpi.item(row, 0)
-        settings_index = find_settings_index(item.data(WidgetData.address), item.data(WidgetData.port))
-        if settings_index >= 0:
-            self.connect_index = settings_index
-            self.accept()
-            return
-
-        action = self.cm_connect_actions.exec(position)
-        if action:
-            action.trigger()
-
     @QtCore.pyqtSlot(QtCore.QPoint)
     def _cm_quick_exec(self, position: QtCore.QPoint) -> None:
-        if self.tb_revpi.currentItem() is 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()
-        action = self.cm_quick_actions.exec(sender.mapToGlobal(position))
+        self.cm_quick_actions.exec(sender.mapToGlobal(position))
-        if action:
-            action.trigger()
 
-    def _load_known_hosts(self) -> None:
+        self.act_connect.setVisible(True)
-        """Load existing connections to show hostname of existing ip addresses"""
+        self.act_connect_ssh.setVisible(True)
-        self.known_hosts.clear()
+        self.act_connect_xmlrpc.setVisible(True)
 
-        for i in range(settings.beginReadArray("connections")):
+    @staticmethod
-            settings.setArrayIndex(i)
+    def _find_settings(address: str) -> list[RevPiSettings]:
-
+        """Find all settings with known avahi_id."""
-            name = settings.value("name", type=str)
+        return [
-            folder = settings.value("folder", type=str)
+            revpi_setting
-            address = settings.value("address", type=str)
+            for revpi_setting in all_revpi_settings()
-            self.known_hosts[address] = "{0}/{1}".format(folder, name) if folder else name
+            if revpi_setting.address.lower() == address.lower()
-
+        ]
-        settings.endArray()
 
     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.requestInterruption()
-        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 _save_connection(self, row: int, ssh_tunnel: bool, no_warn=False) -> int:
+        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:
         """
-        Save the connection from given row to settings.
+        Create settings object from given row to settings.
 
         :param row: Row with connection data
         :param ssh_tunnel: Save as SSH tunnel connection
-        :param no_warn: If True, no message boxes will appear
+        :return: RevPi settings with data from avahi search and default values
-        :return: Array index of connection (found or saved) or -1
         """
         item = self.tb_revpi.item(row, 0)
         if not item:
-            return -1
+            return None
 
-        folder_name = self.tr("Auto discovered")
+        settings = RevPiSettings()
-        selected_name = item.text()
+        settings.folder = self.tr("Auto discovered")
-        selected_address = item.data(WidgetData.address)
+        settings.name = item.data(WidgetData.host_name)
-        selected_port = item.data(WidgetData.port)
+        settings.address = item.data(WidgetData.address)
-        i = 0
+        settings.port = item.data(WidgetData.port)
-        for i in range(settings.beginReadArray("connections")):
+        settings.ssh_use_tunnel = ssh_tunnel
-            settings.setArrayIndex(i)
 
-            name = settings.value("name", type=str)
+        return settings
-            address = settings.value("address", type=str)
-            port = 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)
-                    )
-                settings.endArray()
-                return i
-
-        settings.endArray()
-        settings.beginWriteArray("connections")
-
-        settings.setArrayIndex(i + 1)
-        settings.setValue("address", selected_address)
-        settings.setValue("folder", folder_name)
-        settings.setValue("name", selected_name)
-        settings.setValue("port", selected_port)
-
-        settings.setValue("ssh_use_tunnel", ssh_tunnel)
-        settings.setValue("ssh_port", 22)
-        settings.setValue("ssh_user", "pi")
-
-        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 closeEvent(self, a0: QtGui.QCloseEvent) -> None:
-        settings.setValue("avahisearch/geo", self.saveGeometry())
+        helper.settings.setValue("avahisearch/geo", self.saveGeometry())
-        settings.setValue("avahisearch/column_sizes", [
+        helper.settings.setValue("avahisearch/column_sizes", [
             self.tb_revpi.columnWidth(i)
             for i in range(self.tb_revpi.columnCount())
         ])
 
     def exec(self) -> int:
-        self._load_known_hosts()
+        self.connect_settings = None
+        self.just_save = False
         self._restart_search()
         rc = super(AvahiSearch, self).exec()
-        self.th_zero_conf.requestInterruption()
+        self._th_zero_conf.requestInterruption()
         return rc
 
     @QtCore.pyqtSlot()
-    def on_act_connect_ssh_triggered(self) -> None:
+    def on_act_connect_triggered(self) -> None:
-        """Copy ip address of selected item to clipboard."""
+        """Connect via existing settings or ask for type."""
-        pi.logger.debug("AvahiSearch.on_act_connect_ssh_triggered")
+        pi.logger.debug("AvahiSearch.on_act_connect_triggered")
-        if self.tb_revpi.currentRow() == -1:
-            return
-        self.connect_index = self._save_connection(self.tb_revpi.currentRow(), True, no_warn=True)
-        self.accept()
-
-    @QtCore.pyqtSlot()
-    def on_act_connect_xmlrpc_triggered(self) -> None:
-        """Copy ip address of selected item to clipboard."""
-        pi.logger.debug("AvahiSearch.on_act_connect_xmlrpc_triggered")
-        if self.tb_revpi.currentRow() == -1:
-            return
-        self.connect_index = self._save_connection(self.tb_revpi.currentRow(), False, no_warn=True)
-        self.accept()
-
-    @QtCore.pyqtSlot()
-    def on_act_copy_host_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]
-        host_name = item.data(WidgetData.host_name)
+
-        if platform == "win32":
+        revpi_settings = item.data(WidgetData.revpi_settings)  # type: RevPiSettings
-            # Strip hostname on Windows systems, it can not resolve .local addresses
+        if not revpi_settings:
-            host_name = host_name[:host_name.find(".")]
+            return
-        self.clipboard.setText(host_name)
+        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:
@@ -321,51 +257,71 @@ class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
         if not selected_items:
             return
         item = selected_items[0]
-        if platform == "win32":
+
-            webbrowser.open("http://{0}/".format(item.data(WidgetData.address)))
+        # Till we could not choose https / http we are using the ip address
-        else:
+        webbrowser.open("http://{0}/".format(item.data(WidgetData.address)))
-            webbrowser.open("http://{0}/".format(item.data(WidgetData.host_name)))
 
     @QtCore.pyqtSlot(str, str, int, str, str)
-    def on_avahi_added(self, name: str, server: str, port: int, conf_type: str, ip: str) -> None:
+    def on_avahi_added(self, avahi_id: str, server: str, port: int, conf_type: str, ip: str) -> None:
         """New Revolution Pi found."""
-        index = -1
+
+        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()):
-            if self.tb_revpi.item(i, 0).data(WidgetData.object_name) == name:
+            item_tb_revpi = self.tb_revpi.item(i, 0)
-                index = i
+            if item_tb_revpi.data(WidgetData.object_name) == avahi_id:
-                break
+                # Object already discovered
+                update_tb_revpi_row(i)
+                exists = True
 
-        if index == -1:
+        if not exists:
-            # New Row
+            for known_settings in lst_existing or [None]:
-            item_name = QtWidgets.QTableWidgetItem()
+                item_name = QtWidgets.QTableWidgetItem()
-            item_ip = QtWidgets.QTableWidgetItem()
 
-            index = self.tb_revpi.rowCount()
+                item_name.setIcon(QtGui.QIcon(":/main/ico/cpu.ico"))
-            self.tb_revpi.insertRow(index)
+                item_name.setData(WidgetData.object_name, avahi_id)
-            self.tb_revpi.setItem(index, 0, item_name)
+                item_name.setData(WidgetData.revpi_settings, known_settings)
-            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)
 
-        host_name = server[:-1]
+                index = self.tb_revpi.rowCount()
-        item_name.setIcon(QtGui.QIcon(":/main/ico/cpu.ico"))
+                self.tb_revpi.insertRow(index)
-        if ip in self.known_hosts:
+                self.tb_revpi.setItem(index, 0, item_name)
-            item_name.setText("{0} ({1})".format(host_name, self.known_hosts[ip]))
+                self.tb_revpi.setItem(index, 1, QtWidgets.QTableWidgetItem())
-        else:
+
-            item_name.setText(host_name)
+                update_tb_revpi_row(index)
-        item_name.setData(WidgetData.object_name, name)
-        item_name.setData(WidgetData.address, ip)
-        item_name.setData(WidgetData.port, port)
-        item_name.setData(WidgetData.host_name, host_name)
-        item_ip.setText(ip)
 
     @QtCore.pyqtSlot(str, str)
-    def on_avahi_removed(self, name: str, conf_type: str) -> None:
+    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) == name:
+            if self.tb_revpi.item(i, 0).data(WidgetData.object_name) == avahi_id:
                 self.tb_revpi.removeRow(i)
                 break
 
@@ -373,8 +329,17 @@ class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
     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")
-        cur = QtGui.QCursor()
+        selected_items = self.tb_revpi.selectedItems()
-        self._cm_connect_exec(cur.pos())
+        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:
@@ -386,18 +351,29 @@ class AvahiSearch(QtWidgets.QDialog, Ui_diag_search):
     def on_btn_connect_clicked(self) -> None:
         """Connect to selected Revolution Pi."""
         pi.logger.debug("AvahiSearch.on_btn_connect_clicked")
-        # Open context menu under the button
+        selected_items = self.tb_revpi.selectedItems()
-        pos = self.btn_connect.pos()
+        if not selected_items:
-        pos.setY(pos.y() + self.btn_connect.height())
+            return
-        self._cm_connect_exec(self.mapToGlobal(pos))
+        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")
-        if self.tb_revpi.currentRow() == -1:
+        row_index = self.tb_revpi.currentRow()
+        if row_index == -1:
             return
-        self.connect_index = self._save_connection(self.tb_revpi.currentRow(), ssh_tunnel=True)
+        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:

src/revpicommander/backgroundworker.py

@@ -45,7 +45,7 @@ class BackgroundWorker(QtCore.QThread):
         while counter != 0:
             counter -= 1
             self.msleep(250)
-            if self._check_cancel():
+            if self.check_cancel():
                 break
 
     def run(self) -> None:
@@ -54,7 +54,7 @@ class BackgroundWorker(QtCore.QThread):
         self.status_message.emit("Started dummy thread...")
         self.wait_interruptable(5)
         self.status_message.emit("Completed dummy thread.")
-        self._save_wait(3)
+        self.wait_interruptable(2)
 
 
 class WorkerDialog(QtWidgets.QDialog, Ui_diag_backgroundworker):

src/revpicommander/debugcontrol.py

@@ -7,9 +7,9 @@ __license__ = "GPLv3"
 import pickle
 from xmlrpc.client import Binary, Fault, MultiCall, MultiCallIterator
 
-from PyQt5 import QtCore, QtWidgets
+from PyQt5 import QtCore, QtGui, QtWidgets
 
-from .import helper
+from . import helper
 from . import proginit as pi
 from .debugios import DebugIos
 from .ui.debugcontrol_ui import Ui_wid_debugcontrol
@@ -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__")
@@ -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):

src/revpicommander/debugios.py

@@ -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

src/revpicommander/helper.py

@@ -12,6 +12,7 @@ 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
@@ -19,33 +20,175 @@ from paramiko.ssh_exception import AuthenticationException
 
 from . import proginit as pi
 from .ssh_tunneling.server import SSHLocalTunnel
-from .sshauth import SSHAuth, SSHAuthType
+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
-    replace_ios_config = 261
     acl_level = 262
     has_error = 263
     port = 264
     object_name = 265
-    timeout = 266
     host_name = 267
-    last_dir_upload = 301
+    host_name_full = 268
-    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
+    revpi_settings = 320
-    watch_path = 311
+
-    debug_geos = 312
+
-    ssh_use_tunnel = 313
+class RevPiSettings:
-    ssh_port = 315
+
-    ssh_user = 316
+    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):
@@ -75,29 +218,11 @@ class ConnectionManager(QtCore.QThread):
         self._revpi = None
         self._revpi_output = None
 
-        self.address = ""
+        self.settings = RevPiSettings()
-        self.name = ""
-        self.port = 55123
 
         self.ssh_tunnel_server = None  # type: SSHLocalTunnel
-        self.ssh_use_tunnel = False
-        self.ssh_port = 22
-        self.ssh_user = "pi"
         self.ssh_pass = ""
 
-        # 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 = []
@@ -178,60 +303,19 @@ class ConnectionManager(QtCore.QThread):
 
     def _clear_settings(self):
         """Clear connection settings."""
-        self.address = ""
+        self.settings = RevPiSettings()
-        self.name = ""
-        self.port = 55123
 
-        self.ssh_use_tunnel = False
-        self.ssh_port = 22
-        self.ssh_user = "pi"
         self.ssh_pass = ""
 
         self.pyload_version = (0, 0, 0)
         self.xml_funcs.clear()
         self.xml_mode = -1
 
-        self.program_last_dir_upload = ""
+    def pyload_connect(self, revpi_settings: RevPiSettings, parent=None) -> bool:
-        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, parent=None) -> bool:
         """
         Create a new connection from settings object.
 
-        :param settings_index: Index of settings array 'connections'
+        :param revpi_settings: Revolution Pi saved connection settings
         :param parent: Qt parent window for dialog positioning
         :return: True, if the connection was successfully established
         """
@@ -239,52 +323,39 @@ class ConnectionManager(QtCore.QThread):
         # 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)
-
         ssh_tunnel_server = None
-        ssh_use_tunnel = settings.value("ssh_use_tunnel", False, bool)
-        ssh_port = settings.value("ssh_port", 22, int)
-        ssh_user = settings.value("ssh_user", "pi", str)
         ssh_tunnel_port = 0
         ssh_pass = ""
 
-        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)
 
-        if ssh_use_tunnel:
+        if revpi_settings.ssh_use_tunnel:
             while True:
-                diag_ssh_auth = SSHAuth(SSHAuthType.PASS, parent)
+                diag_ssh_auth = SSHAuth(
-                diag_ssh_auth.username = ssh_user
+                    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(port, address, ssh_port)
+                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"
@@ -304,7 +375,7 @@ class ConnectionManager(QtCore.QThread):
             sp = ServerProxy("http://127.0.0.1:{0}".format(ssh_tunnel_port))
 
         else:
-            sp = ServerProxy("http://{0}:{1}".format(address, port))
+            sp = ServerProxy("http://{0}:{1}".format(revpi_settings.address, revpi_settings.port))
 
         # Load values and test connection to Revolution Pi
         try:
@@ -315,7 +386,7 @@ class ConnectionManager(QtCore.QThread):
             pi.logger.exception(e)
             self.connection_error_observed.emit(str(e))
 
-            if not self.ssh_use_tunnel:
+            if not revpi_settings.ssh_use_tunnel:
                 # todo: Change message, that user can use ssh
                 QtWidgets.QMessageBox.critical(
                     parent, self.tr("Error"), self.tr(
@@ -330,24 +401,19 @@ class ConnectionManager(QtCore.QThread):
 
             return False
 
-        self.address = address
+        self.settings = revpi_settings
-        self.name = name
-        self.port = port
-        self.ssh_use_tunnel = ssh_use_tunnel
-        self.ssh_port = ssh_port
-        self.ssh_user = ssh_user
         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(timeout)
+            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 ssh_use_tunnel else address,
+                "127.0.0.1" if revpi_settings.ssh_use_tunnel else revpi_settings.address,
-                ssh_tunnel_port if ssh_use_tunnel else port
+                ssh_tunnel_port if revpi_settings.ssh_use_tunnel else revpi_settings.port
             ))
 
         self.connection_established.emit()
@@ -371,9 +437,9 @@ class ConnectionManager(QtCore.QThread):
 
         elif self._cli is not None:
 
-            # Tell all widget, that we want to disconnect, to save the settings
+            # Tell all widget, that we want to disconnect
             self.connection_disconnecting.emit()
-            self._save_settings()
+            self.settings.save_settings()
 
             with self._lck_cli:
                 if self._ps_started:
@@ -475,10 +541,14 @@ class ConnectionManager(QtCore.QThread):
 
                     if self.ssh_tunnel_server and not self.ssh_tunnel_server.connected:
                         self.ssh_tunnel_server.disconnect()
-                        ssh_tunnel_server = SSHLocalTunnel(self.port, self.address, self.ssh_port)
+                        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.ssh_user,
+                                self.settings.ssh_user,
                                 self.ssh_pass
                             )
                             sp = ServerProxy("http://127.0.0.1:{0}".format(ssh_tunnel_port))
@@ -563,9 +633,9 @@ class ConnectionManager(QtCore.QThread):
 
         Use connection_recovered signal to figure out new parameters.
         """
-        if not self.ssh_use_tunnel and self.address and self.port:
+        if not self.settings.ssh_use_tunnel and self.settings.address and self.settings.port:
-            return ServerProxy("http://{0}:{1}".format(self.address, self.port))
+            return ServerProxy("http://{0}:{1}".format(self.settings.address, self.settings.port))
-        if self.ssh_use_tunnel and self.ssh_tunnel_server and self.ssh_tunnel_server.connected:
+        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
@@ -592,8 +662,31 @@ class ConnectionManager(QtCore.QThread):
 cm = ConnectionManager()
 """Clobal connection manager instance."""
 
-settings = QtCore.QSettings("revpipyplc", "revpipyload")
-"""Global application settings."""
 
-homedir = environ.get("HOME", "") or environ.get("APPDATA", "")
+def all_revpi_settings() -> [RevPiSettings]:
-"""Home dir of user."""
+    """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()

src/revpicommander/locale/revpicommander_de.ts

@@ -68,90 +68,95 @@ Nicht gespeicherte Änderunen gehen verloren</translation>
 <context>
     <name>AvahiSearch</name>
     <message>
-        <location filename="../avahisearch.py" line="216"/>
+        <location filename="../avahisearch.py" line="168"/>
         <source>Auto discovered</source>
         <translation>Automatisch erkannt</translation>
     </message>
     <message>
-        <location filename="../avahisearch.py" line="229"/>
+        <location filename="../avahisearch.py" line="191"/>
         <source>Already in list...</source>
-        <translation>Bereits in Liste...</translation>
+        <translation type="obsolete">Bereits in Liste...</translation>
     </message>
     <message>
-        <location filename="../avahisearch.py" line="254"/>
+        <location filename="../avahisearch.py" line="201"/>
         <source>Success</source>
-        <translation>Erfolgreich</translation>
+        <translation type="obsolete">Erfolgreich</translation>
     </message>
     <message>
-        <location filename="../avahisearch.py" line="254"/>
+        <location filename="../avahisearch.py" line="201"/>
         <source>The connection with the name &apos;{0}&apos; was successfully saved to folder &apos;{1}&apos; in your connections.</source>
-        <translation>Die Verbindung mit dem Namen &apos;{0}&apos; wurde erfolgreich im Ordner &apos;{1}&apos; gespeichert.</translation>
+        <translation type="obsolete">Die Verbindung mit dem Namen &apos;{0}&apos; wurde erfolgreich im Ordner &apos;{1}&apos; gespeichert.</translation>
     </message>
     <message>
-        <location filename="../avahisearch.py" line="229"/>
+        <location filename="../avahisearch.py" line="191"/>
         <source>The selected Revolution Pi is already saved in your connection list as &apos;{0}&apos;.</source>
-        <translation>Der ausgewählte RevPi ist schon in der Verbindungsliste als &apos;{0}&apos;.</translation>
+        <translation type="obsolete">Der ausgewählte RevPi ist schon in der Verbindungsliste als &apos;{0}&apos;.</translation>
+    </message>
+    <message>
+        <location filename="../avahisearch.py" line="283"/>
+        <source> over SSH</source>
+        <translation> über SSH</translation>
     </message>
 </context>
 <context>
     <name>ConnectionManager</name>
     <message>
-        <location filename="../helper.py" line="454"/>
+        <location filename="../helper.py" line="512"/>
         <source>SIMULATING</source>
         <translation>SIMULATION</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="457"/>
+        <location filename="../helper.py" line="515"/>
         <source>NOT CONNECTED</source>
         <translation>NICHT VERBUNDEN</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="474"/>
+        <location filename="../helper.py" line="532"/>
         <source>SERVER ERROR</source>
         <translation>SERVER FEHLER</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="495"/>
+        <location filename="../helper.py" line="557"/>
         <source>RUNNING</source>
         <translation>LÄUFT</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="497"/>
+        <location filename="../helper.py" line="559"/>
         <source>PLC FILE NOT FOUND</source>
         <translation>SPS PROGRAMM NICHT GEFUNDEN</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="499"/>
+        <location filename="../helper.py" line="561"/>
         <source>NOT RUNNING (NO STATUS)</source>
         <translation>LÄUFT NICHT (KEIN STATUS)</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="501"/>
+        <location filename="../helper.py" line="563"/>
         <source>PROGRAM KILLED</source>
         <translation>PROGRAMM GETÖTET</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="503"/>
+        <location filename="../helper.py" line="565"/>
         <source>PROGRAM TERMED</source>
         <translation>PROGRAMM BEENDET</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="505"/>
+        <location filename="../helper.py" line="567"/>
         <source>NOT RUNNING</source>
         <translation>LÄUFT NICHT</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="507"/>
+        <location filename="../helper.py" line="569"/>
         <source>FINISHED WITH CODE {0}</source>
         <translation>BEENDET MIT CODE {0}</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="321"/>
+        <location filename="../helper.py" line="384"/>
         <source>Error</source>
         <translation>Fehler</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="289"/>
+        <location filename="../helper.py" line="352"/>
         <source>The combination of username and password was rejected from the SSH server.
 
 Try again.</source>
@@ -160,7 +165,7 @@ Try again.</source>
 Bitte erneut versuchen.</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="298"/>
+        <location filename="../helper.py" line="361"/>
         <source>Could not establish a SSH connection to server:
 
 {0}</source>
@@ -169,7 +174,7 @@ Bitte erneut versuchen.</translation>
 {0}</translation>
     </message>
     <message>
-        <location filename="../helper.py" line="321"/>
+        <location filename="../helper.py" line="384"/>
         <source>Can not connect to RevPi XML-RPC Service! 
 
 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!!!
@@ -185,34 +190,34 @@ Führe &apos;sudo revpipyload_secure_installation&apos; auf dem Revolution Pi au
 <context>
     <name>DebugControl</name>
     <message>
-        <location filename="../debugcontrol.py" line="124"/>
+        <location filename="../debugcontrol.py" line="134"/>
         <source>Driver reset for piControl detected.</source>
         <translation>Treiberneustart in piCtory erkannt.</translation>
     </message>
     <message>
-        <location filename="../debugcontrol.py" line="164"/>
+        <location filename="../debugcontrol.py" line="174"/>
         <source>Error while getting values from Revolution Pi.</source>
         <translation>Fehler bei Werteempfang von RevPi.</translation>
     </message>
     <message>
-        <location filename="../debugcontrol.py" line="218"/>
+        <location filename="../debugcontrol.py" line="228"/>
         <source>Auto update values...</source>
         <translation>Werte automatisch aktualisiert...</translation>
     </message>
     <message>
-        <location filename="../debugcontrol.py" line="220"/>
+        <location filename="../debugcontrol.py" line="230"/>
         <source>Values updated...</source>
         <translation>Werte aktualisiert...</translation>
     </message>
     <message>
-        <location filename="../debugcontrol.py" line="257"/>
+        <location filename="../debugcontrol.py" line="267"/>
         <source>Error set value of device &apos;{0}&apos; Output &apos;{1}&apos;: {2}
 </source>
         <translation>Fehler beim Setzen des Ausgangs &apos;{1}&apos; auf Modul &apos;{0}&apos;: {2}
 </translation>
     </message>
     <message>
-        <location filename="../debugcontrol.py" line="266"/>
+        <location filename="../debugcontrol.py" line="276"/>
         <source>Error</source>
         <translation>Fehler</translation>
     </message>
@@ -220,32 +225,32 @@ Führe &apos;sudo revpipyload_secure_installation&apos; auf dem Revolution Pi au
 <context>
     <name>DebugIos</name>
     <message>
-        <location filename="../debugios.py" line="213"/>
+        <location filename="../debugios.py" line="207"/>
         <source>signed</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../debugios.py" line="218"/>
+        <location filename="../debugios.py" line="212"/>
         <source>big_endian</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../debugios.py" line="207"/>
+        <location filename="../debugios.py" line="201"/>
         <source>as text</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../debugios.py" line="209"/>
+        <location filename="../debugios.py" line="203"/>
         <source>as number</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../debugios.py" line="352"/>
+        <location filename="../debugios.py" line="346"/>
         <source>Can not use format text</source>
         <translation>Formatierung nicht möglich</translation>
     </message>
     <message>
-        <location filename="../debugios.py" line="352"/>
+        <location filename="../debugios.py" line="346"/>
         <source>Can not convert bytes {0} to a text for IO &apos;{1}&apos;. Switch to number format instead!</source>
         <translation>Kann bytes {0} für &apos;{1}&apos; nicht in Text konvertieren. Wechseln Sie auf Nummernformat!</translation>
     </message>
@@ -278,86 +283,86 @@ Ungesicherte Änderungen gehen verloren.</translation>
 <context>
     <name>RevPiCommander</name>
     <message>
-        <location filename="../revpicommander.py" line="228"/>
+        <location filename="../revpicommander.py" line="222"/>
         <source>Simulator started...</source>
         <translation>Simulator gestartet...</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="237"/>
+        <location filename="../revpicommander.py" line="231"/>
         <source>Can not start...</source>
         <translation>Kann nicht gestartet werden...</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="430"/>
+        <location filename="../revpicommander.py" line="424"/>
         <source>Warning</source>
         <translation>Warnung</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="253"/>
+        <location filename="../revpicommander.py" line="247"/>
         <source>This version of Logviewer ist not supported in version {0} of RevPiPyLoad on your RevPi! You need at least version 0.4.1.</source>
         <translation>Diese Version vom Logbetrachter wird in RevPiPyLoad Version {0} nicht unterstützt! Es wird mindestens Version 0.4.1 benötigt.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="303"/>
+        <location filename="../revpicommander.py" line="297"/>
         <source>XML-RPC access mode in the RevPiPyLoad configuration is too small to access this dialog!</source>
         <translation>XML-RPC Zugriffsberechtigung in der RevPiPyLoad Konfiguraiton ist zu klein für diese Einstellungen!</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="457"/>
+        <location filename="../revpicommander.py" line="451"/>
         <source>Error</source>
         <translation>Fehler</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="283"/>
+        <location filename="../revpicommander.py" line="277"/>
         <source>The Version of RevPiPyLoad on your Revolution Pi ({0}) is to old. This Version of RevPiCommander require at least version 0.6.0 of RevPiPyLoad. Please update your Revolution Pi!</source>
         <translation>Die Version von RevPiPyLoad ({0}) auf dem Revolution Pi ist zu alt. Diese Version vom RevPiCommander braucht mindestens Version 0.6.0. Bitte aktualisiere deinen Revolution Pi!</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="336"/>
+        <location filename="../revpicommander.py" line="330"/>
         <source>Question</source>
         <translation>Frage</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="336"/>
+        <location filename="../revpicommander.py" line="330"/>
         <source>Are you sure to reset piControl?
 The pictory configuration will be reloaded. During that time the process image will be interrupted and could rise errors on running control programs!</source>
         <translation>Soll piControl wirklich zurückgesetzt werden?
 Die piCtory Konfiguration wird neu geladen. Das Prozessabbild wird in dieser Zeit nicht verfügbar sein und es könnten Fehler in Steuerungsprogrammen ausgelöst werden!</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="349"/>
+        <location filename="../revpicommander.py" line="343"/>
         <source>Success</source>
         <translation>Erfolgreich</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="349"/>
+        <location filename="../revpicommander.py" line="343"/>
         <source>piControl reset executed successfully</source>
         <translation>piControl wurde erfolgreich zurückgesetzt</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="356"/>
+        <location filename="../revpicommander.py" line="350"/>
         <source>piControl reset could not be executed successfully</source>
         <translation>piControl konnte nicht zurückgesetzt werden</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="404"/>
+        <location filename="../revpicommander.py" line="398"/>
         <source>Reset to piCtory defaults...</source>
         <translation>Standardwerte von piCtory laden...</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="430"/>
+        <location filename="../revpicommander.py" line="424"/>
         <source>The watch mode ist not supported in version {0} of RevPiPyLoad on your RevPi! You need at least version 0.5.3! Maybe the python3-revpimodio2 module is not installed on your RevPi at least version 2.0.0.</source>
         <translation>Der SPS Betrachter ist in Version {0} von RevPiPyLoad auf dem Rev Pi nicht unterstützt! Es muss mindestens Version 0.5.3 installiert sein! Vielleicht fehlt auch das python3-revpimodio2 Modul, welches mindestens Version 2.0.0 haben muss.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="442"/>
+        <location filename="../revpicommander.py" line="436"/>
         <source>Can not load this function, because your ACL level is to low!
 You need at least level 1 to read or level 3 to write.</source>
         <translation>Für diese Funktion ist das Berechtigungslevel zu gering!
 Es muss mindestens Level 1 zum Lesen oder Level 3 zu Schreiben sein.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="457"/>
+        <location filename="../revpicommander.py" line="451"/>
         <source>Can not load piCtory configuration. 
 Did you create a hardware configuration? Please check this in piCtory!</source>
         <translation>Kann piCtory Konfiguration nicht laden.
@@ -377,7 +382,7 @@ Das kann eine der folgenden Ursachen haben: Der Rev Pi ist nicht online, der XML
 Führe &apos;sudo revpipyload_secure_installation&apos; auf dem Revolution Pi aus um diese Funktion zu konfigurieren!</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="228"/>
+        <location filename="../revpicommander.py" line="222"/>
         <source>The simulator is running!
 
 You can work with this simulator if your call RevPiModIO with this additional parameters:
@@ -394,24 +399,24 @@ configrsc={1}
 Dies kann aus der Textbox oben kopiert werden.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="237"/>
+        <location filename="../revpicommander.py" line="231"/>
         <source>Can not start the simulator! Maybe the piCtory file is corrupt or you have no write permissions for &apos;{0}&apos;.</source>
-        <translation>Kann Simulator nicht starten! Vielleicht ist die piCtory Datei defekt oder es gibt keine Schreibberechtigung für &apos;{0}`.</translation>
+        <translation>Kann Simulator nicht starten! Vielleicht ist die piCtory Datei defekt oder es gibt keine Schreibberechtigung für &apos;{0}&apos;.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="404"/>
+        <location filename="../revpicommander.py" line="398"/>
         <source>Do you want to reset your process image to {0} values?
 You have to stop other RevPiModIO programs before doing that, because they could reset the outputs.</source>
         <translation>Soll das virtuelle Prozessabbild auf {0} zurückgesetzt werden?
 Es sollten alle RevPiModIO Programme vorher beendet werden, da diese ihre IO Werte sofort wieder schreiben würden.</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="404"/>
+        <location filename="../revpicommander.py" line="398"/>
         <source>zero</source>
         <translation>null</translation>
     </message>
     <message>
-        <location filename="../revpicommander.py" line="404"/>
+        <location filename="../revpicommander.py" line="398"/>
         <source>piCtory default</source>
         <translation>piCtory Standardwerte</translation>
     </message>
@@ -419,92 +424,92 @@ Es sollten alle RevPiModIO Programme vorher beendet werden, da diese ihre IO Wer
 <context>
     <name>RevPiFiles</name>
     <message>
-        <location filename="../revpifiles.py" line="86"/>
+        <location filename="../revpifiles.py" line="85"/>
         <source>Please select...</source>
         <translation>Bitte auswählen...</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="458"/>
+        <location filename="../revpifiles.py" line="457"/>
         <source>Error</source>
         <translation>Fehler</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="120"/>
+        <location filename="../revpifiles.py" line="119"/>
         <source>Can not stop plc program on Revolution Pi.</source>
         <translation>Kann SPS Programm auf Rev Pi nicht stoppen.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="143"/>
+        <location filename="../revpifiles.py" line="142"/>
         <source>The Revolution Pi could not process some parts of the transmission.</source>
         <translation>Der Revolution Pi hat Teile der Übertragung nicht durchgeführt.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="151"/>
+        <location filename="../revpifiles.py" line="150"/>
         <source>Errors occurred during transmission</source>
         <translation>Fehler bei Übertragung aufgetreten</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="157"/>
+        <location filename="../revpifiles.py" line="156"/>
         <source>Warning</source>
         <translation>Warnung</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="157"/>
+        <location filename="../revpifiles.py" line="156"/>
         <source>Could not start the plc program on Revolution Pi.</source>
         <translation>Kann das SPS Programm auf dem Revolution Pi nicht starten.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="178"/>
+        <location filename="../revpifiles.py" line="177"/>
         <source>The RevPiPyLoad version on the Revolution Pi is to old.</source>
         <translation>Die RevPiPyLoad Version auf dem Revolution Pi ist zu alt.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="253"/>
+        <location filename="../revpifiles.py" line="252"/>
         <source>Can not open last directory &apos;{0}&apos;.</source>
         <translation>Kann letztes Verzeichnis &apos;{0}&apos; nicht öffnen.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="310"/>
+        <location filename="../revpifiles.py" line="309"/>
         <source>Stop scanning for files, because we found more than {0} files.</source>
         <translation>Dateisuche wurde angehalten, da mehr als {0} Dateien gefunden wurden.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="354"/>
+        <location filename="../revpifiles.py" line="353"/>
         <source>Could not load path of working dir</source>
         <translation>Kann Arbeitsverzeichnis nicht laden</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="415"/>
+        <location filename="../revpifiles.py" line="414"/>
         <source>Can not load file list from Revolution Pi.</source>
         <translation>Kann Dateiliste vom Revolution Pi nicht laden.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="447"/>
+        <location filename="../revpifiles.py" line="446"/>
         <source>Select folder...</source>
         <translation>Ordner auswählen...</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="458"/>
+        <location filename="../revpifiles.py" line="457"/>
         <source>Can not access the folder &apos;{0}&apos; to read files.</source>
         <translation>Keine Berechtigung für Zugriff auf Ordner &apos;{0}&apos;.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="559"/>
+        <location filename="../revpifiles.py" line="558"/>
         <source>Error...</source>
         <translation>Fehler...</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="508"/>
+        <location filename="../revpifiles.py" line="507"/>
         <source>Error while download file &apos;{0}&apos;.</source>
         <translation>Fehler beim Herunterladen der Datei &apos;{0}&apos;.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="516"/>
+        <location filename="../revpifiles.py" line="515"/>
         <source>Override files...</source>
         <translation>Dateien überschreiben...</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="516"/>
+        <location filename="../revpifiles.py" line="515"/>
         <source>One or more files does exist on your computer! Do you want to override the existingfiles?
 
 Select &apos;Yes&apos; to override, &apos;No&apos; to download only missing files.</source>
@@ -513,32 +518,32 @@ Select &apos;Yes&apos; to override, &apos;No&apos; to download only missing file
 Wählen Sie &apos;Ja&apos; zum Überschreiben, &apos;Nein&apos; um nur fehlende Dateien zu laden.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="548"/>
+        <location filename="../revpifiles.py" line="547"/>
         <source>Delete files from Revolution Pi...</source>
         <translation>Dateien auf Rev Pi löschen...</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="548"/>
+        <location filename="../revpifiles.py" line="547"/>
         <source>Do you want to delete {0} files from revolution pi?</source>
         <translation>Sollen {0} Dateien vom Revolution Pi gelöscht werden?</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="559"/>
+        <location filename="../revpifiles.py" line="558"/>
         <source>Error while delete file &apos;{0}&apos;.</source>
         <translation>Fehler beim Löschen der Datei &apos;{0}&apos;.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="134"/>
+        <location filename="../revpifiles.py" line="133"/>
         <source>Information</source>
         <translation>Information</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="134"/>
+        <location filename="../revpifiles.py" line="133"/>
         <source>A PLC program has been uploaded. Please check the PLC program settings to see if the correct program is specified as the start program.</source>
         <translation>Ein SPS Programm wurde hochgeladen. Bitte prüfe die SPS Programmeinstellungen ob das richtige Startprogramm gewählt ist.</translation>
     </message>
     <message>
-        <location filename="../revpifiles.py" line="181"/>
+        <location filename="../revpifiles.py" line="180"/>
         <source>Choose a local directory first.</source>
         <translation>Lokales Verzeichnis wählen.</translation>
     </message>
@@ -658,17 +663,17 @@ Ungesicherte Änderungen gehen verloren.</translation>
 <context>
     <name>RevPiPlcList</name>
     <message>
-        <location filename="../revpiplclist.py" line="27"/>
+        <location filename="../revpiplclist.py" line="28"/>
         <source>New connection</source>
-        <translation>Neue Verbindung</translation>
+        <translation type="obsolete">Neue Verbindung</translation>
     </message>
     <message>
-        <location filename="../revpiplclist.py" line="158"/>
+        <location filename="../revpiplclist.py" line="102"/>
         <source>Question</source>
         <translation>Frage</translation>
     </message>
     <message>
-        <location filename="../revpiplclist.py" line="158"/>
+        <location filename="../revpiplclist.py" line="102"/>
         <source>Do you really want to quit? 
 Unsaved changes will be lost.</source>
         <translation>Soll das Fenster wirklich geschlossen werden?
@@ -678,22 +683,22 @@ Ungesicherte Änderungen gehen verloren.</translation>
 <context>
     <name>RevPiProgram</name>
     <message>
-        <location filename="../revpiprogram.py" line="688"/>
+        <location filename="../revpiprogram.py" line="679"/>
         <source>Error</source>
         <translation>Fehler</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="111"/>
+        <location filename="../revpiprogram.py" line="110"/>
         <source>You have to select a start program, before uploading the settings.</source>
         <translation>Es muss erst ein Startprogramm gewählt werden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="154"/>
+        <location filename="../revpiprogram.py" line="153"/>
         <source>Question</source>
         <translation>Frage</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="119"/>
+        <location filename="../revpiprogram.py" line="118"/>
         <source>The settings will be set on the Revolution Pi now.
 
 If you made changes on the &apos;PCL Program&apos; section, your plc program will restart now!</source>
@@ -702,251 +707,272 @@ If you made changes on the &apos;PCL Program&apos; section, your plc program wil
 Sollte es Änderungen in dem SPS Programmabschnitt geben, wird das SPS Programm neu gestartet!</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="144"/>
+        <location filename="../revpiprogram.py" line="143"/>
         <source>The settings could not be saved on the Revolution Pi!
 Try to save the values one mor time and check the log files of RevPiPyLoad if the error rises again.</source>
         <translation>Die Einstellungen konnten nicht auf dem Revolution Pi gespeichert werden!
 Versuche es erneut und prüfe die Logdateien von RevPiPyLoad, wenn der Fehler erneut auftritt.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="154"/>
+        <location filename="../revpiprogram.py" line="153"/>
         <source>Do you really want to quit? 
 Unsaved changes will be lost.</source>
         <translation>Soll das Fenster wirklich geschlossen werden?
 Ungesicherte Änderungen gehen verloren.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="194"/>
+        <location filename="../revpiprogram.py" line="193"/>
         <source>Reset driver...</source>
         <translation>Treiber zurücksetzen...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="194"/>
+        <location filename="../revpiprogram.py" line="193"/>
         <source>Reset piControl driver after successful uploading new piCtory configuration?
 The process image will be interrupted for a short time!</source>
         <translation>Soll piControl nach dem erfolgreichen Hochladen der neuen piCtory Konfiguration zurückgesetzt werden?
 Das Prozessabbild wird kurzzeitig nicht verfügbar sein!</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="209"/>
+        <location filename="../revpiprogram.py" line="208"/>
         <source>Got an network error while send data to Revolution Pi.
 Please try again.</source>
         <translation>Beim Senden der Daten an den Revolution Pi trat ein Netzwerkfehler auf.
 Versuche es erneut.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="698"/>
+        <location filename="../revpiprogram.py" line="689"/>
         <source>Success</source>
         <translation>Erfolgreich</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="218"/>
+        <location filename="../revpiprogram.py" line="217"/>
         <source>The transfer of the piCtory configuration and the reset of piControl have been successfully executed.</source>
         <translation>Die piCtory Übertragung und der Reset von piControl wurden erfolgreich durchgeführt.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="226"/>
+        <location filename="../revpiprogram.py" line="225"/>
         <source>The piCtory configuration was successfully transferred.</source>
         <translation>Die piCtory Konfiguration wurde erfolgreich übertragen.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="233"/>
+        <location filename="../revpiprogram.py" line="232"/>
         <source>Can not process the transferred file.</source>
         <translation>Kann die Übertragene Datei nicht verarbeiten.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="239"/>
+        <location filename="../revpiprogram.py" line="238"/>
         <source>Can not find main elements in piCtory file.</source>
         <translation>Konnte piCtory Struktur nicht erkennen.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="245"/>
+        <location filename="../revpiprogram.py" line="244"/>
         <source>Contained devices could not be found on Revolution Pi. The configuration may be from a newer piCtory version!</source>
         <translation>Enthaltene Module können auf dem Revolution Pi nicht gefunden werden. Die Konfiguraiton könnte von einer neueren piCtory Version stammen!</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="252"/>
+        <location filename="../revpiprogram.py" line="251"/>
         <source>Could not load RAP catalog on Revolution Pi.</source>
         <translation>Kann RAP Katalog auf dem Revolution Pi nicht laden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="258"/>
+        <location filename="../revpiprogram.py" line="257"/>
         <source>The piCtory configuration could not be written on the Revolution Pi.</source>
         <translation>Die piCtory Konfiguration konnte nicht auf dem Revolution Pi geschrieben werden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="265"/>
+        <location filename="../revpiprogram.py" line="264"/>
         <source>Warning</source>
         <translation>Warnung</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="265"/>
+        <location filename="../revpiprogram.py" line="264"/>
         <source>The piCtroy configuration has been saved successfully.
 An error occurred on piControl reset!</source>
         <translation>Die piCtory Konfiguration wurde erfolgreich hochgeladen.
 Es trat jedoch ein Fehler beim Zurücksetzen von piControl auf!</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="331"/>
+        <location filename="../revpiprogram.py" line="328"/>
         <source>Save ZIP archive...</source>
         <translation>ZIP Archiv speichern...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="427"/>
+        <location filename="../revpiprogram.py" line="418"/>
         <source>ZIP archive (*.zip);;All files (*.*)</source>
-        <translation>ZIP Archive (*.tgz);;Alle Dateien (*.*)</translation>
+        <translation>ZIP Archive (*.zip);;Alle Dateien (*.*)</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="352"/>
+        <location filename="../revpiprogram.py" line="346"/>
         <source>Save TGZ archive...</source>
         <translation>TGZ Archiv speichern...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="352"/>
+        <location filename="../revpiprogram.py" line="346"/>
         <source>TGZ archive (*.tgz);;All files (*.*)</source>
         <translation>TAR Archive (*.tgz);;Alle Dateien (*.*)</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="382"/>
+        <location filename="../revpiprogram.py" line="373"/>
         <source>Could not load PLC program from Revolution Pi.</source>
         <translation>Kann SPS Programm nicht vom Revolution Pi laden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="395"/>
+        <location filename="../revpiprogram.py" line="386"/>
         <source>Coud not save the archive or extract the files!
 Please retry.</source>
         <translation>Konnte das Archiv nicht speichern oder extrahieren!
 Versuche es erneut.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="401"/>
+        <location filename="../revpiprogram.py" line="392"/>
         <source>Transfer successfully completed.</source>
         <translation>Übertragung erfolgreich abgeschlossen.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="427"/>
+        <location filename="../revpiprogram.py" line="418"/>
         <source>Upload content of ZIP archive...</source>
         <translation>ZIP Archiv hochladen...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="452"/>
+        <location filename="../revpiprogram.py" line="443"/>
         <source>The selected file ist not a ZIP archive.</source>
         <translation>Die ausgewählte Datei ist kein ZIP Archiv.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="461"/>
+        <location filename="../revpiprogram.py" line="452"/>
         <source>Upload content of TAR archive...</source>
         <translation>TAR Archiv hochladen...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="461"/>
+        <location filename="../revpiprogram.py" line="452"/>
         <source>TAR archive (*.tgz);;All files (*.*)</source>
         <translation>TAR Archive (*.tgz);;Alle Dateien (*.*)</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="486"/>
+        <location filename="../revpiprogram.py" line="477"/>
         <source>The selected file ist not a TAR archive.</source>
         <translation>Die ausgewählte Datei ist kein TAR Archiv.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="495"/>
+        <location filename="../revpiprogram.py" line="486"/>
         <source>No files to upload...</source>
         <translation>Keine Dateien zum Hochladen...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="495"/>
+        <location filename="../revpiprogram.py" line="486"/>
         <source>Found no files to upload in given location or archive.</source>
         <translation>Konnte keine Dateien in der Quelle zum Hochladen finden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="506"/>
+        <location filename="../revpiprogram.py" line="497"/>
         <source>There was an error deleting the files on the Revolution Pi.
 Upload aborted! Please try again.</source>
         <translation>Beim Löschen der Dateien auf dem Revolution Pi ist ein Fehler aufgetreten.
 Hochladen abgebrochen! Versuche es erneut.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="552"/>
+        <location filename="../revpiprogram.py" line="543"/>
         <source>The PLC program was transferred successfully.</source>
         <translation>Das SPS Programm wurde erfolgreich übertragen.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="560"/>
+        <location filename="../revpiprogram.py" line="551"/>
         <source>Information</source>
         <translation>Information</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="560"/>
+        <location filename="../revpiprogram.py" line="551"/>
         <source>Could not find the selected PLC start program in uploaded files.
 This is not an error, if the file was already on the Revolution Pi. Check PLC start program field</source>
         <translation>Konnte eingestelltes SPS Starprogramm in hochgeladenen Dateien nicht finden.
 Dies ist kein Fehler, wenn das SPS Startprogramm bereits auf dem Rev Pi ist. Prüfe SPS Programm Einstellungen</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="573"/>
+        <location filename="../revpiprogram.py" line="564"/>
         <source>There is no piCtory configuration in this archive.</source>
         <translation>Kann keine piCtory Konfiguration im Archiv finden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="580"/>
+        <location filename="../revpiprogram.py" line="571"/>
         <source>The Revolution Pi could not process some parts of the transmission.</source>
         <translation>Der Revolution Pi konnte Teile der Übertragung nicht verarbeiten.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="587"/>
+        <location filename="../revpiprogram.py" line="578"/>
         <source>Errors occurred during transmission.</source>
         <translation>Fehler bei Übertragung aufgetreten.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="606"/>
+        <location filename="../revpiprogram.py" line="597"/>
         <source>Save piCtory file...</source>
         <translation>piCtory Datei speichern...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="646"/>
+        <location filename="../revpiprogram.py" line="637"/>
         <source>piCtory file (*.rsc);;All files (*.*)</source>
         <translation>piCtory Datei (*.rsc);;Alle Dateien (*.*)</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="625"/>
+        <location filename="../revpiprogram.py" line="616"/>
         <source>Could not load piCtory file from Revolution Pi.</source>
         <translation>Kann piCtory Konfiguration nicht vom Revolution Pi laden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="635"/>
+        <location filename="../revpiprogram.py" line="626"/>
         <source>piCtory configuration successfully loaded and saved to:
 {0}.</source>
         <translation>piCtory Konfiguration erfolgreich geladen und gespeichert als:
 {0}.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="646"/>
+        <location filename="../revpiprogram.py" line="637"/>
         <source>Upload piCtory file...</source>
         <translation>piCtory datei hochladen...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="667"/>
+        <location filename="../revpiprogram.py" line="658"/>
         <source>Save piControl file...</source>
         <translation>piCtory Datei speichern...</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="667"/>
+        <location filename="../revpiprogram.py" line="658"/>
         <source>Process image file (*.img);;All files (*.*)</source>
         <translation>Processabbild (*.img);;Alle Dateien (*.*)</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="688"/>
+        <location filename="../revpiprogram.py" line="679"/>
         <source>Could not load process image from Revolution Pi.</source>
         <translation>Kann Prozessabbild von Revolution Pi nicht laden.</translation>
     </message>
     <message>
-        <location filename="../revpiprogram.py" line="698"/>
+        <location filename="../revpiprogram.py" line="689"/>
         <source>Process image successfully loaded and saved to:
 {0}.</source>
         <translation>Prozessabbild erfolgreich geladen und gespeichert als:
 {0}.</translation>
     </message>
 </context>
+<context>
+    <name>SSHAuth</name>
+    <message>
+        <location filename="../sshauth.py" line="49"/>
+        <source>Could not save password</source>
+        <translation>Konnte Kennwort nicht speichern</translation>
+    </message>
+    <message>
+        <location filename="../sshauth.py" line="49"/>
+        <source>Could not save password to operating systems password save.
+
+Maybe your operating system does not support saving passwords. This could be due to missing libraries or programs.
+
+This is not an error of RevPi Commander.</source>
+        <translation>Konnte das Kennwort nicht im Kennwortspeicher des Betriebssystems speichern.
+
+Vielleicht untersützt das Betriebssystem keine Kennwortspeicherung. Dies könnte an fehlenden Bibliotheken oder Programmen liegen.
+
+Dies ist kein Fehler von RevPi Commander.</translation>
+    </message>
+</context>
 <context>
     <name>Simulator</name>
     <message>
@@ -1556,6 +1582,16 @@ applicable law.
         <source>You have to configure your Revolution Pi to accept this connections</source>
         <translation>Sie müssen den Revolution Pi für diese Art der Verbindung konfigurieren</translation>
     </message>
+    <message>
+        <location filename="../../../ui_dev/avahisearch.ui" line="156"/>
+        <source>Connect</source>
+        <translation>Verbinden</translation>
+    </message>
+    <message>
+        <location filename="../../../ui_dev/avahisearch.ui" line="159"/>
+        <source>Connect to Revoluton Pi</source>
+        <translation>Mit Revolution Pi verbinden</translation>
+    </message>
 </context>
 <context>
     <name>diag_simulator</name>
@@ -1657,6 +1693,16 @@ applicable law.
         <source>SSH password:</source>
         <translation>SSH Passwort:</translation>
     </message>
+    <message>
+        <location filename="../../../ui_dev/sshauth.ui" line="53"/>
+        <source>Username and password will be saved in secured operating systems&apos;s password storage.</source>
+        <translation>Benutzername und Kennwort werden im Passwortspeicher vom Betriebssystem gesichert.</translation>
+    </message>
+    <message>
+        <location filename="../../../ui_dev/sshauth.ui" line="56"/>
+        <source>Save username and password</source>
+        <translation>Benutzername und Kennwort merken</translation>
+    </message>
 </context>
 <context>
     <name>wid_debugcontrol</name>
@@ -1678,43 +1724,61 @@ applicable law.
     <message>
         <location filename="../../../ui_dev/debugcontrol.ui" line="56"/>
         <source>Read all IO values and discard local changes (F4)</source>
-        <translation>Alle EA Werte lesen und lokale Änderungen überschreiben (F4)</translation>
+        <translation type="obsolete">Alle EA Werte lesen und lokale Änderungen überschreiben (F4)</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="59"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="61"/>
         <source>Read &amp;all IO values</source>
         <translation>&amp;Alle EA Werte lesen</translation>
     </message>
     <message>
         <location filename="../../../ui_dev/debugcontrol.ui" line="69"/>
         <source>Refresh all IO values which are locally not changed (F5)</source>
-        <translation>Alle EA Werte aktualisieren, die lokal nicht geändert sind (F5)</translation>
+        <translation type="obsolete">Alle EA Werte aktualisieren, die lokal nicht geändert sind (F5)</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="72"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="82"/>
         <source>&amp;Refresh unchanged IOs</source>
         <translation>Unve&amp;ränderte EAs lesen</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="82"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="98"/>
         <source>Write locally changed output values to process image (F6)</source>
         <translation>Schreibe lokal veränderte Ausgangswerte in das Prozessabbild (F6)</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="85"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="101"/>
         <source>&amp;Write changed outputs</source>
         <translation>Ausgänge &amp;schreiben</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="95"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="108"/>
         <source>&amp;Auto refresh values</source>
         <translation>&amp;Automatisch aktualisieren</translation>
     </message>
     <message>
-        <location filename="../../../ui_dev/debugcontrol.ui" line="102"/>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="115"/>
         <source>and write outputs</source>
         <translation>und Ausgänge schreiben</translation>
     </message>
+    <message>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="56"/>
+        <source>Read all IO values and discard local changes (F4)
+
+Hold this button pressed and it will refresh the IOs every 200 ms.</source>
+        <translation>Alle EA Werte lesen und lokale Änderungen überschreiben (F4)
+
+Wird der Button gehalten, aktualisieren sich die EAs alle 200 ms.</translation>
+    </message>
+    <message>
+        <location filename="../../../ui_dev/debugcontrol.ui" line="77"/>
+        <source>Refresh all IO values which are locally not changed (F5)
+
+Hold this button pressed and it will refresh the IOs every 200 ms.</source>
+        <translation>Alle EA Werte aktualisieren, die lokal nicht geändert sind (F5)
+
+Wird der Button gehalten, aktualisieren sich die EAs alle 200 ms.</translation>
+    </message>
 </context>
 <context>
     <name>win_debugios</name>

src/revpicommander/revpicommander.py

@@ -5,10 +5,10 @@
 __author__ = "Sven Sager"
 __copyright__ = "Copyright (C) 2018 Sven Sager"
 __license__ = "GPLv3"
-__version__ = "0.9.10rc1"
+__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
 
@@ -17,6 +17,7 @@ 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
@@ -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)
@@ -61,14 +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."""
@@ -96,9 +97,6 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
     # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
     # region #      REGION: Connection management
 
-    def _pyload_connect(self, settings_index: int) -> None:
-        helper.cm.pyload_connect(settings_index, self)
-
     @QtCore.pyqtSlot(str)
     def on_cm_connection_error_observed(self, message: str):
         """
@@ -148,8 +146,8 @@ class RevPiCommander(QtWidgets.QMainWindow, Ui_win_revpicommander):
                 helper.cm.simulating_procimg,
             ))
         else:
-            self.txt_host.setText(helper.cm.name)
+            self.txt_host.setText(helper.cm.settings.name)
-            self.txt_connection.setText(helper.cm.address)
+            self.txt_connection.setText(helper.cm.settings.address)
         self.win_files = RevPiFiles(self)
 
     @QtCore.pyqtSlot(str, str)
@@ -169,34 +167,27 @@ 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")):
+        for settings in helper.all_revpi_settings():  # type: RevPiSettings
-            helper.settings.setArrayIndex(i)
+            if settings.folder:
-
+                if settings.folder not in self.dict_men_connections_subfolder:
-            if helper.settings.value("folder"):
-                if helper.settings.value("folder") not in self.dict_men_connections_subfolder:
                     men_sub = QtWidgets.QMenu(self.men_connections)
-                    men_sub.setTitle(helper.settings.value("folder"))
+                    men_sub.setTitle(settings.folder)
-                    self.dict_men_connections_subfolder[helper.settings.value("folder")] = men_sub
+                    self.dict_men_connections_subfolder[settings.folder] = men_sub
                     self.men_connections.addMenu(men_sub)
-                parent_menu = self.dict_men_connections_subfolder[helper.settings.value("folder")]
+                parent_menu = self.dict_men_connections_subfolder[settings.folder]
             else:
                 parent_menu = self.men_connections
 
-            display_name = helper.settings.value("name")
+            display_name = settings.name
-            if helper.settings.value("ssh_use_tunnel", False, bool):
+            if settings.ssh_use_tunnel:
                 display_name += " (SSH)"
 
             act = QtWidgets.QAction(parent_menu)
             act.setText(display_name)
-            act.setData(i)
+            act.setData(settings)
-            act.setToolTip("{0}:{1}".format(
+            act.setToolTip("{0}:{1}".format(settings.address, settings.port))
-                helper.settings.value("address"),
-                helper.settings.value("port"),
-            ))
             parent_menu.addAction(act)
 
-        helper.settings.endArray()
-
     @QtCore.pyqtSlot()
     def on_act_connections_triggered(self):
         """Edit saved connections to Revolution Pi devices."""
@@ -207,8 +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:
+            if self.diag_search.connect_settings:
-                self._pyload_connect(self.diag_search.connect_index)
+                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()
 
@@ -367,7 +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."""
-        self._pyload_connect(action.data())
+        helper.cm.pyload_connect(action.data(), self)
 
     @QtCore.pyqtSlot()
     def on_act_webpage_triggered(self):
@@ -506,4 +500,5 @@ def main() -> int:
 
 if __name__ == "__main__":
     import sys
+
     sys.exit(main())

src/revpicommander/revpifiles.py

@@ -43,14 +43,13 @@ class UploadFiles(BackgroundWorker):
             progress_counter += 1
 
             # Remove base dir of file to set relative for PyLoad
-            send_name = file_name.replace(helper.cm.develop_watch_path, "")[1:]
+            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:
@@ -83,7 +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)
@@ -91,7 +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)
@@ -176,7 +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:
@@ -208,7 +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:
@@ -231,7 +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):
@@ -288,7 +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):
@@ -302,7 +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)
 
@@ -435,18 +434,18 @@ class RevPiFiles(QtWidgets.QMainWindow, Ui_win_files):
     # endregion # # # # #
 
     @QtCore.pyqtSlot()
-    def on_btn_all_pressed(self):
+    def on_btn_all_clicked(self):
-        pi.logger.debug("RevPiFiles.on_btn_all_pressed")
+        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):
+    def on_btn_select_local_clicked(self):
-        pi.logger.debug("RevPiFiles.on_btn_select_pressed")
+        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:
@@ -460,38 +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.settings.watch_files = []
-            helper.cm.develop_watch_path = ""
+            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.settings.watch_path = selected_dir
-        helper.cm.develop_watch_files = []
+        helper.cm.settings.watch_files = []
 
         self._load_files_local(False)
 
     @QtCore.pyqtSlot()
-    def on_btn_refresh_local_pressed(self):
+    def on_btn_refresh_local_clicked(self):
-        pi.logger.debug("RevPiFiles.on_btn_refresh_pressed")
+        pi.logger.debug("RevPiFiles.on_btn_refresh_clicked")
         self._load_files_local(False)
 
     @QtCore.pyqtSlot()
-    def on_btn_refresh_revpi_pressed(self):
+    def on_btn_refresh_revpi_clicked(self):
-        pi.logger.debug("RevPiFiles.on_btn_refresh_revpi_pressed")
+        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():
@@ -511,7 +510,7 @@ 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_diag = QtWidgets.QMessageBox.question(
                         self, self.tr("Override files..."), self.tr(
@@ -530,15 +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():

src/revpicommander/revpilogfile.py

@@ -166,12 +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()
 

src/revpicommander/revpiplclist.py

@@ -6,10 +6,13 @@ __license__ = "GPLv3"
 
 from enum import IntEnum
 
+import keyring
 from PyQt5 import QtCore, QtGui, QtWidgets
+from keyring.errors import KeyringError
 
+from . import helper
 from . import proginit as pi
-from .helper import WidgetData, settings
+from .helper import RevPiSettings, WidgetData
 from .ui.revpiplclist_ui import Ui_diag_connections
 
 
@@ -24,11 +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))
@@ -41,38 +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(settings.beginReadArray("connections")):
+
-            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, settings.value("name", "Revolution Pi", str))
+            con_item.setText(0, settings.name)
-            con_item.setText(1, settings.value("address", "127.0.0.1", str))
+            con_item.setText(1, settings.address)
-            con_item.setData(0, WidgetData.port, settings.value("port", self.__default_port, int))
-            con_item.setData(0, WidgetData.timeout, settings.value("timeout", 5, int))
 
-            con_item.setData(0, WidgetData.ssh_use_tunnel, settings.value("ssh_use_tunnel", False, bool))
+            con_item.setData(0, WidgetData.revpi_settings, settings)
-            con_item.setData(0, WidgetData.ssh_port, settings.value("ssh_port", 22, int))
-            con_item.setData(0, WidgetData.ssh_user, settings.value("ssh_user", "pi", str))
 
-            con_item.setData(0, WidgetData.last_dir_upload, settings.value("last_dir_upload"))
+            folder = settings.folder
-            con_item.setData(0, WidgetData.last_file_upload, settings.value("last_file_upload"))
-            con_item.setData(0, WidgetData.last_dir_pictory, settings.value("last_dir_pictory"))
-            con_item.setData(0, WidgetData.last_dir_picontrol, settings.value("last_dir_picontrol"))
-            con_item.setData(0, WidgetData.last_dir_selected, settings.value("last_dir_selected"))
-            con_item.setData(0, WidgetData.last_pictory_file, settings.value("last_pictory_file"))
-            con_item.setData(0, WidgetData.last_tar_file, settings.value("last_tar_file"))
-            con_item.setData(0, WidgetData.last_zip_file, settings.value("last_zip_file"))
-            con_item.setData(0, WidgetData.watch_files, settings.value("watch_files"))
-            con_item.setData(0, WidgetData.watch_path, settings.value("watch_path"))
-            try:
-                # Bytes with QSettings are a little difficult sometimes
-                con_item.setData(0, WidgetData.debug_geos, settings.value("debug_geos"))
-            except Exception:
-                # Just drop the geos of IO windows
-                pass
-
-            folder = settings.value("folder", "", str)
             if folder:
                 sub_folder = self._get_folder_item(folder)
                 if sub_folder is None:
@@ -86,10 +73,8 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
             else:
                 self.tre_connections.addTopLevelItem(con_item)
 
-        settings.endArray()
-
         self.tre_connections.expandAll()
-        self.changes = True
+        self.changes = False
 
         if self.tre_connections.topLevelItemCount() == 0:
             self._edit_state()
@@ -97,57 +82,31 @@ class RevPiPlcList(QtWidgets.QDialog, Ui_diag_connections):
     def accept(self) -> None:
         pi.logger.debug("RevPiPlcList.accept")
 
-        def set_settings(node: QtWidgets.QTreeWidgetItem):
+        for internal_id, ssh_user in self._keyring_cleanup_id_user:
-            parent = node.parent()
+            service_name = "{0}.{1}_{2}".format(
-            settings.setValue("address", node.text(1))
+                helper.settings.applicationName(),
-            settings.setValue("folder", parent.text(0) if parent else "")
+                helper.settings.organizationName(),
-            settings.setValue("name", node.text(0))
+                internal_id
-            settings.setValue("port", node.data(0, WidgetData.port))
+            )
-            settings.setValue("timeout", node.data(0, WidgetData.timeout))
+            try:
-            settings.setValue("ssh_use_tunnel", node.data(0, WidgetData.ssh_use_tunnel))
+                # Remove information from os keyring, which we collected on_btn_delete_clicked
-            settings.setValue("ssh_port", node.data(0, WidgetData.ssh_port))
+                keyring.delete_password(service_name, ssh_user)
-            settings.setValue("ssh_user", node.data(0, WidgetData.ssh_user))
+            except KeyringError as e:
+                pi.logger.error(e)
 
-            if node.data(0, WidgetData.last_dir_upload):
+        helper.settings.remove("connections")
-                settings.setValue("last_dir_upload", node.data(0, WidgetData.last_dir_upload))
-            if node.data(0, WidgetData.last_file_upload):
-                settings.setValue("last_file_upload", node.data(0, WidgetData.last_file_upload))
-            if node.data(0, WidgetData.last_dir_pictory):
-                settings.setValue("last_dir_pictory", node.data(0, WidgetData.last_dir_pictory))
-            if node.data(0, WidgetData.last_dir_picontrol):
-                settings.setValue("last_dir_picontrol", node.data(0, WidgetData.last_dir_picontrol))
-            if node.data(0, WidgetData.last_dir_selected):
-                settings.setValue("last_dir_selected", node.data(0, WidgetData.last_dir_selected))
-            if node.data(0, WidgetData.last_pictory_file):
-                settings.setValue("last_pictory_file", node.data(0, WidgetData.last_pictory_file))
-            if node.data(0, WidgetData.last_tar_file):
-                settings.setValue("last_tar_file", node.data(0, WidgetData.last_tar_file))
-            if node.data(0, WidgetData.last_zip_file):
-                settings.setValue("last_zip_file", node.data(0, WidgetData.last_zip_file))
-            if node.data(0, WidgetData.watch_files):
-                settings.setValue("watch_files", node.data(0, WidgetData.watch_files))
-            if node.data(0, WidgetData.watch_path):
-                settings.setValue("watch_path", node.data(0, WidgetData.watch_path))
-            if node.data(0, WidgetData.debug_geos):
-                settings.setValue("debug_geos", node.data(0, WidgetData.debug_geos))
 
-        settings.remove("connections")
-        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()):
-                    settings.setArrayIndex(counter_index)
+                    revpi_settings = root_item.child(k).data(0, WidgetData.revpi_settings)  # type: RevPiSettings
-                    set_settings(root_item.child(k))
+                    revpi_settings.folder = root_item.text(0)
-                    counter_index += 1
+                    revpi_settings.save_settings()
             elif root_item.type() == NodeType.CON:
-                settings.setArrayIndex(counter_index)
+                revpi_settings = root_item.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
-                set_settings(root_item)
+                revpi_settings.folder = ""
-                counter_index += 1
+                revpi_settings.save_settings()
-
-        settings.endArray()
 
         self.changes = False
         super(RevPiPlcList, self).accept()
@@ -170,6 +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:
@@ -179,6 +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
@@ -232,6 +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
@@ -249,39 +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))
+            settings = current.data(0, WidgetData.revpi_settings)  # type: RevPiSettings
-            self.sbx_port.setValue(current.data(0, WidgetData.port))
+            self.txt_name.setText(settings.name)
-            self.sbx_timeout.setValue(current.data(0, WidgetData.timeout))
+            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(current.data(0, WidgetData.ssh_use_tunnel))
+            self.cbx_ssh_use_tunnel.setChecked(settings.ssh_use_tunnel)
-            self.sbx_ssh_port.setValue(current.data(0, WidgetData.ssh_port))
+            self.sbx_ssh_port.setValue(settings.ssh_port)
-            self.txt_ssh_user.setText(current.data(0, WidgetData.ssh_user))
+            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)
@@ -292,23 +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)
+        settings = settings_preset or RevPiSettings()
-        self.__current_item.setIcon(0, QtGui.QIcon(":/main/ico/cpu.ico"))
+        new_item = QtWidgets.QTreeWidgetItem(NodeType.CON)
-        self.__current_item.setText(0, self.__default_name)
+        new_item.setIcon(0, QtGui.QIcon(":/main/ico/cpu.ico"))
-        self.__current_item.setData(0, WidgetData.port, self.__default_port)
+        new_item.setText(0, settings.name)
-        self.__current_item.setData(0, WidgetData.timeout, 5)
+        new_item.setData(0, WidgetData.revpi_settings, settings)
-        self.__current_item.setData(0, WidgetData.ssh_use_tunnel, False)
-        self.__current_item.setData(0, WidgetData.ssh_port, 22)
-        self.__current_item.setData(0, WidgetData.ssh_user, "pi")
         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()
 
@@ -317,42 +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
-        self.__current_item.setData(0, WidgetData.ssh_use_tunnel, check_state == QtCore.Qt.CheckState.Checked)
+        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
-        self.__current_item.setData(0, WidgetData.ssh_port, value)
+        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
-        self.__current_item.setData(0, WidgetData.ssh_user, text)
+        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):

src/revpicommander/revpiprogram.py

@@ -58,8 +58,7 @@ class RevPiProgram(QtWidgets.QDialog, Ui_diag_program):
 
         :return: True, if unsaved changes was found
         """
-        return \
+        return self.cbb_plcprogram.currentText() != self.dc.get("plcprogram", "") or \
-            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.settings.last_zip_file or "{0}.zip".format(helper.cm.settings.name),
-                    helper.cm.program_last_zip_file,
-                    "{0}.zip".format(helper.cm.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.settings.last_tar_file or "{0}.tgz".format(helper.cm.settings.name),
-                    helper.cm.program_last_tar_file,
-                    "{0}.tgz".format(helper.cm.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,
+                helper.cm.settings.last_dir_pictory,
-                "{0}.rsc".format(helper.cm.name)
+                "{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,
+                helper.cm.settings.last_dir_picontrol,
-                "{0}.img".format(helper.cm.name)
+                "{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:

src/revpicommander/sshauth.py

@@ -4,35 +4,101 @@ __author__ = "Sven Sager"
 __copyright__ = "Copyright (C) 2023 Sven Sager"
 __license__ = "GPLv3"
 
-from enum import Enum
+from logging import getLogger
 
+import keyring
 from PyQt5 import QtWidgets
+from keyring.errors import KeyringError
 
-from revpicommander.ui.sshauth_ui import Ui_diag_sshauth
+from .ui.sshauth_ui import Ui_diag_sshauth
 
+log = getLogger()
 
-class SSHAuthType(Enum):
-    PASS = "pass"
-    KEYS = "keys"
 
 class SSHAuth(QtWidgets.QDialog, Ui_diag_sshauth):
-    """Version information window."""
 
-    def __init__(self, auth_type: SSHAuthType, parent=None):
+    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.wid_password.setVisible(auth_type is SSHAuthType.PASS)
+        self._in_keyring = False
-        self.wid_keys.setVisible(auth_type is SSHAuthType.KEYS)
+        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()
-
-    @username.setter
-    def username(self, value: str):
-        self.txt_username.setText(value)

src/revpicommander/ui/avahisearch_ui.py

@@ -75,6 +75,8 @@ class Ui_diag_search(object):
         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) # type: ignore
@@ -99,6 +101,8 @@ class Ui_diag_search(object):
         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
 
 

src/revpicommander/ui/debugcontrol_ui.py

@@ -36,15 +36,18 @@ 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.setShortcut("F4")
+        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.setShortcut("F5")
+        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)
-        self.btn_write_o.setShortcut("F6")
         self.btn_write_o.setObjectName("btn_write_o")
         self.verticalLayout.addWidget(self.btn_write_o)
         self.cbx_refresh = QtWidgets.QCheckBox(self.gb_control)
@@ -65,9 +68,13 @@ 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_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_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"))

src/revpicommander/ui/sshauth_ui.py

@@ -15,7 +15,7 @@ class Ui_diag_sshauth(object):
     def setupUi(self, diag_sshauth):
         diag_sshauth.setObjectName("diag_sshauth")
         diag_sshauth.setWindowModality(QtCore.Qt.ApplicationModal)
-        diag_sshauth.resize(275, 170)
+        diag_sshauth.resize(363, 163)
         self.verticalLayout = QtWidgets.QVBoxLayout(diag_sshauth)
         self.verticalLayout.setObjectName("verticalLayout")
         self.wid_password = QtWidgets.QWidget(diag_sshauth)
@@ -36,18 +36,18 @@ class Ui_diag_sshauth(object):
         self.txt_username.setObjectName("txt_username")
         self.formLayout.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.txt_username)
         self.verticalLayout.addWidget(self.wid_password)
-        self.wid_keys = QtWidgets.QWidget(diag_sshauth)
+        self.cbx_save_password = QtWidgets.QCheckBox(diag_sshauth)
-        self.wid_keys.setObjectName("wid_keys")
+        self.cbx_save_password.setObjectName("cbx_save_password")
-        self.verticalLayout.addWidget(self.wid_keys)
+        self.verticalLayout.addWidget(self.cbx_save_password)
-        self.buttonBox = QtWidgets.QDialogButtonBox(diag_sshauth)
+        self.btn_box = QtWidgets.QDialogButtonBox(diag_sshauth)
-        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.btn_box.setOrientation(QtCore.Qt.Horizontal)
-        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.btn_box.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
-        self.buttonBox.setObjectName("buttonBox")
+        self.btn_box.setObjectName("btn_box")
-        self.verticalLayout.addWidget(self.buttonBox)
+        self.verticalLayout.addWidget(self.btn_box)
 
         self.retranslateUi(diag_sshauth)
-        self.buttonBox.accepted.connect(diag_sshauth.accept) # type: ignore
+        self.btn_box.accepted.connect(diag_sshauth.accept) # type: ignore
-        self.buttonBox.rejected.connect(diag_sshauth.reject) # type: ignore
+        self.btn_box.rejected.connect(diag_sshauth.reject) # type: ignore
         QtCore.QMetaObject.connectSlotsByName(diag_sshauth)
 
     def retranslateUi(self, diag_sshauth):
@@ -55,6 +55,8 @@ class Ui_diag_sshauth(object):
         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__":

stdeb.cfg

@@ -1,6 +0,0 @@
-[DEFAULT]
-Debian-Version=1
-Depends3=python3-pyqt5, python3-revpimodio2 (>= 2.5.0), python3-zeroconf (>= 0.24.4)
-Section=universe/x11
-Suite=stable
-X-Python3-Version: >=3.4

translate.pro

@@ -11,6 +11,7 @@ SOURCES       = src/revpicommander/aclmanager.py \
                 src/revpicommander/revpiplclist.py \
                 src/revpicommander/revpiprogram.py \
                 src/revpicommander/simulator.py \
+                src/revpicommander/sshauth.py \
                 src/revpicommander/revpicommander.py
 
 FORMS         = ui_dev/aclmanager.ui \

ui_dev/avahisearch.ui

@@ -151,6 +151,14 @@
     <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"/>

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">
+        <property name="autoRepeat">
-         <string notr="true">F4</string>
+         <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">
+        <property name="autoRepeat">
-         <string notr="true">F5</string>
+         <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 notr="true">F6</string>
-        </property>
        </widget>
       </item>
       <item>

ui_dev/sshauth.ui

@@ -9,8 +9,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>275</width>
+    <width>363</width>
-    <height>170</height>
+    <height>163</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -48,10 +48,17 @@
     </widget>
    </item>
    <item>
-    <widget class="QWidget" name="wid_keys" native="true"/>
+    <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="buttonBox">
+    <widget class="QDialogButtonBox" name="btn_box">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
@@ -65,7 +72,7 @@
  <resources/>
  <connections>
   <connection>
-   <sender>buttonBox</sender>
+   <sender>btn_box</sender>
    <signal>accepted()</signal>
    <receiver>diag_sshauth</receiver>
    <slot>accept()</slot>
@@ -81,7 +88,7 @@
    </hints>
   </connection>
   <connection>
-   <sender>buttonBox</sender>
+   <sender>btn_box</sender>
    <signal>rejected()</signal>
    <receiver>diag_sshauth</receiver>
    <slot>reject()</slot>