Add settings dialog with option to add custom executable paths and a white- and blacklist for the program launcher. This should make custom scenarios much easier without compromising the 'everything must be in the PATH' rule

engine/api.py

@@ -152,7 +152,7 @@ def startEngine():
             dataClientNamesHook=callbacks._dataClientNamesChanged,
             dataClientDescriptionHook=callbacks._dataClientDescriptionChanged,
             parameterNsmOSCUrl=PATHS["url"],
-            sessionRoot=PATHS["sessionRoot"],            
+            sessionRoot=PATHS["sessionRoot"],
             )    
 
     #Watch session tree for changes.     
@@ -198,7 +198,17 @@ def buildSystemPrograms():
     """Build a list of dicts with the .desktop files (or similar) of all NSM compatible programs
     present on the system"""        
     programDatabase.build()
-        
+
+def systemProgramsSetWhitelist(executableNames:tuple):
+    """will replace the current list"""
+    programDatabase.userWhitelist = tuple(executableNames)
+    #Needs rebuild through the GUI. We have no callback for this.
+
+def systemProgramsSetBlacklist(executableNames:tuple):
+    """will replace the current list"""
+    programDatabase.userBlacklist = tuple(executableNames)
+    #Needs rebuild through the GUI. We have no callback for this.
+
 def getSystemPrograms()->list:
     """Returns the cached database from buildProgramDatabase. No automatic update. Empty on program
     start"""    
@@ -214,7 +224,8 @@ def getNsmExecutables()->set:
 def getUnfilteredExecutables()->list:
     """Return a list of unique names without paths or directories of all exectuables in users $PATH.
     This is intended for a program starter prompt. GUI needs to supply tab completition or search
-    itself"""    
+    itself"""
+    programDatabase.unfilteredExecutables = programDatabase.buildCache_unfilteredExecutables() #quick call
     return programDatabase.unfilteredExecutables
 
 

engine/findprograms.py

@@ -48,7 +48,7 @@ class SupportedProgramsDatabase(object):
        'name': 'Patroneo',
        'startupnotify': 'false',
        'terminal': 'false',
-       'type': 'Application',       
+       'type': 'Application',
        'x-nsm-capable': 'true'}
 
     In case there is a file in PATH or database but has no .desktop we create our own entry with
@@ -57,16 +57,19 @@ class SupportedProgramsDatabase(object):
 
     def __init__(self):
         self.blacklist = ("nsmd", "non-daw", "carla")
-        self.morePrograms = ("thisdoesnotexisttest", "carla-rack", "carla-patchbay", "carla-jack-multi", "ardour5", "ardour6", "nsm-data", "nsm-jack") #only programs not found by buildCache_grepExecutablePaths because they are just shellscripts and do not contain /nsm/server/announce.        
+        self.morePrograms = ("thisdoesnotexisttest", "carla-rack", "carla-patchbay", "carla-jack-multi", "ardour5", "ardour6", "nsm-data", "nsm-jack") #only programs not found by buildCache_grepExecutablePaths because they are just shellscripts and do not contain /nsm/server/announce.
+        self.userWhitelist = () #added dynamically to morePrograms
+        self.userBlacklist = () #added dynamically to blacklist
         self.knownDesktopFiles = { #shortcuts to the correct desktop files. Reverse lookup binary->desktop creates false entries, for example ZynAddSubFx and Carla.
             "zynaddsubfx": "zynaddsubfx-jack.desktop", #value will later get replaced with the .desktop entry
-            "carla-jack-multi" : "carla.desktop",             
+            "carla-jack-multi" : "carla.desktop",
-        }        
+        }
         self.programs = [] #list of dicts. guaranteed keys: argodejoExec, name, argodejoFullPath. And probably others, like description and version.
         self.nsmExecutables = set() #set of executables for fast membership, if a GUI wants to know if they are available. Needs to be build "manually" with self.programs. no auto-property for a list. at least we don't want to do the work.
         #.build needs to be called from the api/GUI.
-        self.unfilteredExecutables = self.buildCache_unfilteredExecutables() #This doesn't take too long. we can start that every time. It will get updated in build as well.
+        #self.unfilteredExecutables = self.buildCache_unfilteredExecutables() #This doesn't take too long. we can start that every time. It will get updated in build as well.
-        #self.build() #fills self.programs and 
+        self.unfilteredExecutables = None #in build()
+        #self.build() #fills self.programs and
 
     def buildCache_grepExecutablePaths(self):
         """return a list of executable names in the path
@@ -74,24 +77,28 @@ class SupportedProgramsDatabase(object):
         -s silent. No errors, eventhough subprocess uses stdout only
         -R recursive with symlinks. We don't want to look in subdirs because that is not allowed by
         PATH and nsm, but we want to follow symlinks
+
+        If you have a custom user path that does not mean that all its executables will
+        automatically show up here. They still need to contain /nsm/server/announce
+        Your binaries will be in unfilteredExecutables though
         """
         result = []
-        executablePaths = [pathlib.Path(p) for p in os.environ["PATH"].split(":")]
+        executablePaths = [pathlib.Path(p) for p in os.environ["PATH"].split(os.pathsep)]
         for path in executablePaths:
             command = f"grep -iRsnl {path} -e /nsm/server/announce"
             #Py>=3.7 completedProcess = subprocess.run(command, capture_output=True, text=True, shell=True)
             completedProcess = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, shell=True) #universal_newlines is an alias for text, which was deprecated in 3.7 because text is more understandable.  capture_output replaces the two PIPEs in 3.7
             for fullPath in completedProcess.stdout.split():
-                exe = pathlib.Path(fullPath).relative_to(path)                
+                exe = pathlib.Path(fullPath).relative_to(path)
-                if not str(exe) in self.blacklist:
+                if not str(exe) in self.blacklist + self.userBlacklist:
-                    result.append((str(exe), str(fullPath)))                
+                    result.append((str(exe), str(fullPath)))
 
-        for prg in self.morePrograms:            
+        for prg in self.morePrograms + self.userWhitelist:
             for path in executablePaths:
-                if pathlib.Path(path, prg).is_file():                    
+                if pathlib.Path(path, prg).is_file():
                     result.append((str(prg), str(pathlib.Path(path, prg))))
                     break #inner loop
-                    
+
         return result
 
     def buildCache_DesktopEntries(self):
@@ -109,7 +116,7 @@ class SupportedProgramsDatabase(object):
                 if f.is_file() and f.suffix == ".desktop":
                     config.clear()
                     config.read(f)
-                    entryDict = dict(config._sections["Desktop Entry"])                    
+                    entryDict = dict(config._sections["Desktop Entry"])
                     if f.name == "zynaddsubfx-jack.desktop":
                         self.knownDesktopFiles["zynaddsubfx"] = entryDict
                     elif f.name == "carla.desktop":
@@ -124,7 +131,7 @@ class SupportedProgramsDatabase(object):
         self.nsmExecutables = set(d["argodejoExec"] for d in self.programs)
 
     def build(self):
-        """Can be called at any time by the user to update after installing new programs"""        
+        """Can be called at any time by the user to update after installing new programs"""
         logger.info("Building launcher database. This might take a minute")
         self.programs = self._build()
         self.unfilteredExecutables = self.buildCache_unfilteredExecutables()
@@ -137,40 +144,40 @@ class SupportedProgramsDatabase(object):
         Convert one exe (not full path!) to one dict entry. """
         if exe in self.knownDesktopFiles: #Shortcut through internal database
             entry = self.knownDesktopFiles[exe]
-        else: #Reverse Search desktop files.                
+        else: #Reverse Search desktop files.
             for entry in self.desktopEntries:
-                if "exec" in entry and exe.lower() in entry["exec"].lower():                        
+                if "exec" in entry and exe.lower() in entry["exec"].lower():
                     return entry
-            #else: #Foor loop ended. Did not find any matching desktop file             
+            #else: #Foor loop ended. Did not find any matching desktop file
 
         return None
 
-                
+
-    def _build(self):        
+    def _build(self):
-        self.executables = self.buildCache_grepExecutablePaths()        
+        self.executables = self.buildCache_grepExecutablePaths()
         self.desktopEntries = self.buildCache_DesktopEntries()
 
         leftovers = set(self.executables)
         matches = [] #list of dicts
         for exe, fullPath in self.executables:
             entry = self._exeToDesktopEntry(exe)
-            if entry: #Found match!                 
+            if entry: #Found match!
                 entry["argodejoFullPath"] = fullPath
                 #We don't want .desktop syntax like "qmidiarp %F"
                 entry["argodejoExec"] = exe
                 matches.append(entry)
-                            
+
                 try:
                     leftovers.remove((exe,fullPath))
                 except KeyError:
                     pass #Double entries like zyn-jack zyn-alsa etc.
-                
+
             """
             if exe in self.knownDesktopFiles: #Shortcut through internal database
                 entry = self.knownDesktopFiles[exe]
-            else: #Reverse Search desktop files.                
+            else: #Reverse Search desktop files.
                 for entry in self.desktopEntries:
-                    if "exec" in entry and exe.lower() in entry["exec"].lower():                        
+                    if "exec" in entry and exe.lower() in entry["exec"].lower():
                         break #found entry. break inner loop to keep it
                 else: #Foor loop ended. Did not find any matching desktop file
                     #If we omit continue it will just write exe and fullPath in any desktop file.
@@ -181,28 +188,28 @@ class SupportedProgramsDatabase(object):
             #We don't want .desktop syntax like "qmidiarp %F"
             entry["argodejoExec"] = exe
             matches.append(entry)
-            
+
             try:
                 leftovers.remove((exe,fullPath))
             except KeyError:
                 pass #Double entries like zyn-jack zyn-alsa etc.
                """
-                 
+
         for exe,fullPath in leftovers:
             pseudoEntry = {"name": exe.title(), "argodejoExec":exe, "argodejoFullPath":fullPath}
             matches.append(pseudoEntry)
         return matches
-    
+
     def buildCache_unfilteredExecutables(self):
         def isexe(path):
             """executable by owner"""
-            return path.is_file() and stat.S_IXUSR & os.stat(path)[stat.ST_MODE] == 64 
+            return path.is_file() and stat.S_IXUSR & os.stat(path)[stat.ST_MODE] == 64
-                        
+
         result = []
-        executablePaths = [pathlib.Path(p) for p in os.environ["PATH"].split(":")]
+        executablePaths = [pathlib.Path(p) for p in os.environ["PATH"].split(os.pathsep)]
         for path in executablePaths:
             result += [str(pathlib.Path(f).relative_to(path)) for f in path.glob("*") if isexe(f)]
-        
+
         return sorted(list(set(result)))
 
     def _buildWhitelist(self):
@@ -210,19 +217,19 @@ class SupportedProgramsDatabase(object):
         It will be populated from a template-list of well-working clients and then all binaries not
         in the path are filtered out. This can be presented to the user without worries."""
         #Assumes to be called only from self.build
-        startexecutables = set(("doesnotexist", "laborejo2", "patroneo", "vico", "fluajho", "carla-rack", "carla-patchbay", "carla-jack-multi", "ardour6", "drumkv1_jack", "synthv1_jack", "padthv1_jack", "samplv1_jack", "zynaddsubfx", "ADLplug", "OPNplug", "non-mixer", "non-sequencer", "non-timeline"))
+        startexecutables = set(("doesnotexist", "laborejo", "patroneo", "vico", "fluajho", "carla-rack", "carla-patchbay", "carla-jack-multi", "ardour6", "drumkv1_jack", "synthv1_jack", "padthv1_jack", "samplv1_jack", "zynaddsubfx", "ADLplug", "OPNplug", "non-mixer", "non-sequencer", "non-timeline") + self.userWhitelist)
-        for prog in self.programs:            
+        for prog in self.programs:
             prog["whitelist"] = prog["argodejoExec"] in startexecutables
-                       
+
 
         """
-        matches = []      
+        matches = []
         for exe in startexecutables:
             entry = self._exeToDesktopEntry(exe)
-            if entry: #Found match!                                 
+            if entry: #Found match!
                 #We don't want .desktop syntax like "qmidiarp %F"
                 entry["argodejoExec"] = exe
-                matches.append(entry)       
+                matches.append(entry)
         return matches
         """
 

qtgui/addclientprompt.py

@@ -37,7 +37,10 @@ class PromptWidget(QtWidgets.QDialog):
     def __init__(self, parent):
         super().__init__(parent)
         layout = QtWidgets.QFormLayout()
-        #layout = QtWidgets.QVBoxLayout()        
+        #layout = QtWidgets.QVBoxLayout()
+
+        updateWordlist() #this is a fast index update, we can call that every time to be sure. Otherwise newly added executable-PATHs will not be reflected in the dialog without a program-database update, which takes too long to be convenient.
+
         self.setLayout(layout)
         self.setWindowFlag(QtCore.Qt.Popup, True)
 
@@ -45,26 +48,26 @@ class PromptWidget(QtWidgets.QDialog):
         self.comboBox.setEditable(True)
 
         if PromptWidget.wordlist:
-            completer = QtWidgets.QCompleter(PromptWidget.wordlist)            
+            completer = QtWidgets.QCompleter(PromptWidget.wordlist)
             completer.setModelSorting(QtWidgets.QCompleter.CaseInsensitivelySortedModel)
-            completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)            
+            completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
-            completer.setCompletionMode(QtWidgets.QCompleter.PopupCompletion)                        
+            completer.setCompletionMode(QtWidgets.QCompleter.PopupCompletion)
             completer.activated.connect(self.process) #To avoid double-press enter to select one we hook into the activated signal and trigger process
             self.comboBox.setCompleter(completer)
-            self.comboBox.setMinimumContentsLength(PromptWidget.minlen)            
+            self.comboBox.setMinimumContentsLength(PromptWidget.minlen)
             labelString = QtCore.QCoreApplication.translate("PromptWidget", "Type in the name of an executable file on your system.")
         else:
             labelString = QtCore.QCoreApplication.translate("PromptWidget", "No program database found. Please update through Control menu.")
-            
+
-        label = QtWidgets.QLabel(labelString) 
+        label = QtWidgets.QLabel(labelString)
         layout.addWidget(label)
-        self.comboBox.setSizeAdjustPolicy(QtWidgets.QComboBox.AdjustToMinimumContentsLength)       
+        self.comboBox.setSizeAdjustPolicy(QtWidgets.QComboBox.AdjustToMinimumContentsLength)
-        
+
-        layout.addWidget(self.comboBox)        
+        layout.addWidget(self.comboBox)
 
         errorString = QtCore.QCoreApplication.translate("PromptWidget", "Command not accepted!<br>Parameters, --switches and relative paths are not allowed.<br>Use nsm-proxy or write a starter-script instead.")
         errorString = "<i>" + errorString + "</i>"
-        self.errorLabel = QtWidgets.QLabel(errorString) 
+        self.errorLabel = QtWidgets.QLabel(errorString)
         layout.addWidget(self.errorLabel)
         self.errorLabel.hide() #shown in process
 
@@ -72,10 +75,8 @@ class PromptWidget(QtWidgets.QDialog):
         buttonBox.accepted.connect(self.process)
         buttonBox.rejected.connect(self.reject)
         layout.addWidget(buttonBox)
-        
-        self.exec() #blocks until the dialog gets closed           
-
 
+        self.exec() #blocks until the dialog gets closed
 
     def abortHandler(self):
         pass
@@ -85,8 +86,12 @@ class PromptWidget(QtWidgets.QDialog):
         Make sure your objects exists and your syntax is correct"""
         assert PromptWidget.wordlist
         assert PromptWidget.minlen
-        
+
         curText = self.comboBox.currentText()
+        if not curText or curText == " ": #TODO: qt weirdness. This is a case when focus is lost from a valid entry. The field is filled from a chosen value, from the list. But it says " ".
+            #Do not show the errorLabel. This is a qt bug or so.
+            return         
+        
         if curText in PromptWidget.wordlist:
             api.clientAdd(curText)
             logger.info(f"Prompt accepted {curText} and will send it to clientAdd")
@@ -94,8 +99,8 @@ class PromptWidget(QtWidgets.QDialog):
         else:
             logger.info(f"Prompt did not accept {curText}.Showing info to the user.")
             self.errorLabel.show()
-        
+
-        
+
 def updateWordlist():
     """in case programs are installed while the session is running the user can
     manually call a database update"""
@@ -104,6 +109,6 @@ def updateWordlist():
         PromptWidget.minlen = len(max(PromptWidget.wordlist, key=len))
     else:
         logger.error("Executable list came back empty! Most likely an error in application database build. Not trivial!")
-        
+
-def askForExecutable(parent):    
+def askForExecutable(parent):
-    PromptWidget(parent)    
+    PromptWidget(parent)

qtgui/designer/mainwindow.py

@@ -2,9 +2,10 @@
 
 # Form implementation generated from reading ui file 'mainwindow.ui'
 #
-# Created by: PyQt5 UI code generator 5.14.2
+# Created by: PyQt5 UI code generator 5.15.0
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
 
 
 from PyQt5 import QtCore, QtGui, QtWidgets
@@ -310,8 +311,11 @@ class Ui_MainWindow(object):
         self.actionRebuild_Program_Database.setObjectName("actionRebuild_Program_Database")
         self.actionClientRename = QtWidgets.QAction(MainWindow)
         self.actionClientRename.setObjectName("actionClientRename")
+        self.actionSettings = QtWidgets.QAction(MainWindow)
+        self.actionSettings.setObjectName("actionSettings")
         self.menuControl.addAction(self.actionRebuild_Program_Database)
         self.menuControl.addAction(self.actionHide_in_System_Tray)
+        self.menuControl.addAction(self.actionSettings)
         self.menuControl.addAction(self.actionMenuQuit)
         self.menuSession.addAction(self.actionSessionAddClient)
         self.menuSession.addAction(self.actionSessionSave)
@@ -405,3 +409,4 @@ class Ui_MainWindow(object):
         self.actionRebuild_Program_Database.setText(_translate("MainWindow", "Rebuild Program Database"))
         self.actionClientRename.setText(_translate("MainWindow", "Rename"))
         self.actionClientRename.setShortcut(_translate("MainWindow", "F2"))
+        self.actionSettings.setText(_translate("MainWindow", "Settings"))

qtgui/designer/mainwindow.ui

@@ -636,6 +636,7 @@
     </property>
     <addaction name="actionRebuild_Program_Database"/>
     <addaction name="actionHide_in_System_Tray"/>
+    <addaction name="actionSettings"/>
     <addaction name="actionMenuQuit"/>
    </widget>
    <widget class="QMenu" name="menuSession">
@@ -796,6 +797,11 @@
     <string>F2</string>
    </property>
   </action>
+  <action name="actionSettings">
+   <property name="text">
+    <string>Settings</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>

qtgui/designer/newsession.py

@@ -47,6 +47,6 @@ class Ui_NewSession(object):
         NewSession.setWindowTitle(_translate("NewSession", "Dialog"))
         self.nameGroupBox.setTitle(_translate("NewSession", "New Session Name"))
         self.checkBoxJack.setText(_translate("NewSession", "Save JACK Connections\n"
-"(adds clients \'nsm-jack\')"))
+"(adds clients \'jackpatch\')"))
         self.checkBoxData.setText(_translate("NewSession", "Client Renaming and Session Notes\n"
 "(adds client \'nsm-data\')"))

qtgui/designer/newsession.ui

@@ -42,7 +42,7 @@
     <widget class="QCheckBox" name="checkBoxJack">
      <property name="text">
       <string>Save JACK Connections
-(adds clients 'nsm-jack')</string>
+(adds clients 'jackpatch')</string>
      </property>
      <property name="checked">
       <bool>true</bool>

qtgui/designer/settings.py

@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'settings.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.0
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_Dialog(object):
+    def setupUi(self, Dialog):
+        Dialog.setObjectName("Dialog")
+        Dialog.resize(626, 387)
+        self.verticalLayout = QtWidgets.QVBoxLayout(Dialog)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.SettingsTab = QtWidgets.QTabWidget(Dialog)
+        self.SettingsTab.setTabPosition(QtWidgets.QTabWidget.North)
+        self.SettingsTab.setTabShape(QtWidgets.QTabWidget.Rounded)
+        self.SettingsTab.setObjectName("SettingsTab")
+        self.tab_2 = QtWidgets.QWidget()
+        self.tab_2.setObjectName("tab_2")
+        self.verticalLayout_3 = QtWidgets.QVBoxLayout(self.tab_2)
+        self.verticalLayout_3.setObjectName("verticalLayout_3")
+        self.label_help_launcher_whitelist = QtWidgets.QLabel(self.tab_2)
+        self.label_help_launcher_whitelist.setWordWrap(True)
+        self.label_help_launcher_whitelist.setObjectName("label_help_launcher_whitelist")
+        self.verticalLayout_3.addWidget(self.label_help_launcher_whitelist)
+        self.launcherWhitelistPlainTextEdit = QtWidgets.QPlainTextEdit(self.tab_2)
+        self.launcherWhitelistPlainTextEdit.setObjectName("launcherWhitelistPlainTextEdit")
+        self.verticalLayout_3.addWidget(self.launcherWhitelistPlainTextEdit)
+        self.label_help_launcher_blacklist = QtWidgets.QLabel(self.tab_2)
+        self.label_help_launcher_blacklist.setWordWrap(True)
+        self.label_help_launcher_blacklist.setObjectName("label_help_launcher_blacklist")
+        self.verticalLayout_3.addWidget(self.label_help_launcher_blacklist)
+        self.launcherBlacklistPlainTextEdit = QtWidgets.QPlainTextEdit(self.tab_2)
+        self.launcherBlacklistPlainTextEdit.setObjectName("launcherBlacklistPlainTextEdit")
+        self.verticalLayout_3.addWidget(self.launcherBlacklistPlainTextEdit)
+        self.SettingsTab.addTab(self.tab_2, "")
+        self.tab = QtWidgets.QWidget()
+        self.tab.setObjectName("tab")
+        self.verticalLayout_2 = QtWidgets.QVBoxLayout(self.tab)
+        self.verticalLayout_2.setObjectName("verticalLayout_2")
+        self.label_help_programstart = QtWidgets.QLabel(self.tab)
+        self.label_help_programstart.setWordWrap(True)
+        self.label_help_programstart.setObjectName("label_help_programstart")
+        self.verticalLayout_2.addWidget(self.label_help_programstart)
+        self.label_help_path_rules = QtWidgets.QLabel(self.tab)
+        self.label_help_path_rules.setWordWrap(True)
+        self.label_help_path_rules.setObjectName("label_help_path_rules")
+        self.verticalLayout_2.addWidget(self.label_help_path_rules)
+        self.programPathsPlainTextEdit = QtWidgets.QPlainTextEdit(self.tab)
+        self.programPathsPlainTextEdit.setObjectName("programPathsPlainTextEdit")
+        self.verticalLayout_2.addWidget(self.programPathsPlainTextEdit)
+        self.SettingsTab.addTab(self.tab, "")
+        self.verticalLayout.addWidget(self.SettingsTab)
+        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
+        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox.setObjectName("buttonBox")
+        self.verticalLayout.addWidget(self.buttonBox)
+        self.buttonBox.raise_()
+        self.SettingsTab.raise_()
+
+        self.retranslateUi(Dialog)
+        self.SettingsTab.setCurrentIndex(0)
+        self.buttonBox.accepted.connect(Dialog.accept)
+        self.buttonBox.rejected.connect(Dialog.reject)
+        QtCore.QMetaObject.connectSlotsByName(Dialog)
+
+    def retranslateUi(self, Dialog):
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "Settings"))
+        self.label_help_launcher_whitelist.setText(_translate("Dialog", "Whitelist - Add executable names (not paths) to the program launcher. One executable per line."))
+        self.label_help_launcher_blacklist.setText(_translate("Dialog", "Blacklist - Exclude executable names (not paths) from the program launcher. One executable per line."))
+        self.SettingsTab.setTabText(self.SettingsTab.indexOf(self.tab_2), _translate("Dialog", "Launcher"))
+        self.label_help_programstart.setText(_translate("Dialog", "For advanced users only! Add executable paths to the environment, just for Argodejo and NSM. Changes need a program restart afterwards. If you want your programs in the application launcher use the launcher tab."))
+        self.label_help_path_rules.setText(_translate("Dialog", "Add one absolute path to a directory (e.g. /home/user/audio-bin) per line. No wildcards. Trailing slashes/ don\'t matter."))
+        self.SettingsTab.setTabText(self.SettingsTab.indexOf(self.tab), _translate("Dialog", "$PATH"))

qtgui/designer/settings.ui

@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>626</width>
+    <height>387</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Settings</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QTabWidget" name="SettingsTab">
+     <property name="tabPosition">
+      <enum>QTabWidget::North</enum>
+     </property>
+     <property name="tabShape">
+      <enum>QTabWidget::Rounded</enum>
+     </property>
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tab_2">
+      <attribute name="title">
+       <string>Launcher</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QLabel" name="label_help_launcher_whitelist">
+         <property name="text">
+          <string>Whitelist - Add executable names (not paths) to the program launcher. One executable per line.</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPlainTextEdit" name="launcherWhitelistPlainTextEdit"/>
+       </item>
+       <item>
+        <widget class="QLabel" name="label_help_launcher_blacklist">
+         <property name="text">
+          <string>Blacklist - Exclude executable names (not paths) from the program launcher. One executable per line.</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPlainTextEdit" name="launcherBlacklistPlainTextEdit"/>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab">
+      <attribute name="title">
+       <string>$PATH</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QLabel" name="label_help_programstart">
+         <property name="text">
+          <string>For advanced users only! Add executable paths to the environment, just for Argodejo and NSM. Changes need a program restart afterwards. If you want your programs in the application launcher use the launcher tab.</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QLabel" name="label_help_path_rules">
+         <property name="text">
+          <string>Add one absolute path to a directory (e.g. /home/user/audio-bin) per line. No wildcards. Trailing slashes/ don't matter.</string>
+         </property>
+         <property name="wordWrap">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPlainTextEdit" name="programPathsPlainTextEdit"/>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+  <zorder>buttonBox</zorder>
+  <zorder>SettingsTab</zorder>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>Dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

qtgui/mainwindow.py

@@ -48,6 +48,7 @@ from .projectname import ProjectNameWidget
 from .addclientprompt import askForExecutable, updateWordlist
 from .waitdialog import WaitDialog
 from .resources import *
+from .settings import SettingsDialog
 
 api.eventLoop = EventLoop()
 
@@ -115,20 +116,18 @@ class MainWindow(QtWidgets.QMainWindow):
         self.fPalBlue = setPaletteAndFont(self.qtApp)
 
         self.ui.mainPageSwitcher.setCurrentIndex(0) #1 is messageLabel 0 is the tab widget
+        
+        SettingsDialog.loadFromSettingsAndSendToEngine() #set blacklist, whitelist for programdatabase and addtional executable paths for environment
+
 
         #TODO: Hide information tab until the feature is ready
-        self.ui.tabbyCat.removeTab(2)
+        self.ui.tabbyCat.removeTab(2)              
-              
+        self.programIcons = {} #executableName:QIcon. Filled by self.updateProgramDatabase
         self.sessionController = SessionController(mainWindow=self)
         self.systemTray = SystemTray(mainWindow=self)
         self.connectMenu()
-
         self.recentlyOpenedSessions = RecentlyOpenedSessions()
-        self.programIcons = {} #executableName:QIcon. Filled by self.updateProgramDatabase
+                    
-
-        #Menu
-        self.ui.actionRebuild_Program_Database.triggered.connect(self.updateProgramDatabase)
-
         #Api Callbacks
         api.callbacks.sessionClosed.append(self.reactCallback_sessionClosed)
         api.callbacks.sessionOpenReady.append(self.reactCallback_sessionOpen)
@@ -316,7 +315,6 @@ class MainWindow(QtWidgets.QMainWindow):
             self.storeWindowSettings()
             self._callSysExit()
 
-
     def closeEvent(self, event):
         """Window manager close.
         Ignore. We use it to send the GUI into hiding."""
@@ -325,9 +323,17 @@ class MainWindow(QtWidgets.QMainWindow):
 
     def connectMenu(self):
         #Control
+        self.ui.actionRebuild_Program_Database.triggered.connect(self.updateProgramDatabase)
+        self.ui.actionSettings.triggered.connect(self._reactMenu_settings)
         self.ui.actionHide_in_System_Tray.triggered.connect(lambda: self.toggleVisible(force=False))
         self.ui.actionMenuQuit.triggered.connect(self.menuRealQuit)
 
+    def _reactMenu_settings(self):
+        widget = SettingsDialog(self) #blocks until closed        
+        if widget.success:
+            self.updateProgramDatabase()
+
+
     def storeWindowSettings(self):
         """Window state is not saved in the real save file. That would lead to portability problems
         between computers, like different screens and resolutions.

qtgui/resources/translations/de.ts

@@ -77,7 +77,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="346"/>
         <source>Session Name Goes Here</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -138,55 +137,46 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="362"/>
         <source>version and running</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="363"/>
         <source>NSM Server Mode</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="364"/>
         <source>Self-started, connected to, environment var</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="365"/>
         <source>NSM Url</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="366"/>
         <source>osc.upd ip port</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="367"/>
         <source>Session Root</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="368"/>
         <source>/home/usr/NSM Sessions</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="369"/>
         <source>Program Database</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="370"/>
         <source>Last Updated</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -197,7 +187,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="373"/>
         <source>Processing</source>
-        <translatorcomment>Nicht in benutzung</translatorcomment>
         <translation>Arbeitet</translation>
     </message>
     <message>
@@ -208,13 +197,11 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="375"/>
         <source>SessionName</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="376"/>
         <source>ClientNameId</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -225,7 +212,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="378"/>
         <source>Ctrl+Shift+Q</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -246,7 +232,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="382"/>
         <source>Ctrl+Q</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -257,13 +242,11 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="384"/>
         <source>A</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="386"/>
         <source>Ctrl+S</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -274,13 +257,11 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="388"/>
         <source>Ctrl+Shift+S</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
         <location filename="../../designer/mainwindow.py" line="390"/>
         <source>Ctrl+W</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -291,7 +272,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="392"/>
         <source>Ctrl+Shift+W</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -302,7 +282,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="394"/>
         <source>Alt+O</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -313,7 +292,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="396"/>
         <source>Alt+R</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -324,7 +302,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="398"/>
         <source>Alt+S</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -335,7 +312,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="400"/>
         <source>Alt+X</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -346,7 +322,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="402"/>
         <source>Alt+T</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -372,7 +347,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/mainwindow.py" line="407"/>
         <source>F2</source>
-        <translatorcomment>Keine Shortcuts übersetzen</translatorcomment>
         <translation></translation>
     </message>
 </context>
@@ -381,7 +355,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/newsession.py" line="47"/>
         <source>Dialog</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>
@@ -392,8 +365,8 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/newsession.py" line="49"/>
         <source>Save JACK Connections
-(adds clients &apos;nsm-jack&apos;)</source>
+(adds clients &apos;jackpatch&apos;)</source>
-        <translation>Speichere JACK-Verbindungen (mit Client &apos;nsm-jack&apos;)</translation>
+        <translation>Speichere JACK-Verbindungen (mit Client &apos;jackpatch&apos;)</translation>
     </message>
     <message>
         <location filename="../../designer/newsession.py" line="51"/>
@@ -470,7 +443,6 @@ Für Notizen, TODO, Referenzen, Quellen etc…</translation>
     <message>
         <location filename="../../designer/projectname.py" line="43"/>
         <source>Form</source>
-        <translatorcomment>Platzhalter</translatorcomment>
         <translation></translation>
     </message>
     <message>

qtgui/settings.py

@@ -0,0 +1,116 @@
+#! /usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Copyright 2020, Nils Hilbricht, Germany ( https://www.hilbricht.net )
+
+This file is part of the Laborejo Software Suite ( https://www.laborejo.org ),
+
+This application is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+import logging; logger = logging.getLogger(__name__); logger.info("import")
+
+
+#Standard Library
+import pathlib
+import os
+
+#Third Party
+from PyQt5 import QtCore, QtWidgets
+
+#Engine
+import engine.api as api
+from engine.config import METADATA  #includes METADATA only. No other environmental setup is executed.
+
+#QtGui
+from .designer.settings import Ui_Dialog
+
+class SettingsDialog(QtWidgets.QDialog):
+
+    def __init__(self, mainWindow):
+        super().__init__(mainWindow)
+        self.ui =  Ui_Dialog()
+        self.ui.setupUi(self)
+        self.mainWindow = mainWindow
+
+        self.success = False
+
+        settings = QtCore.QSettings("LaborejoSoftwareSuite", METADATA["shortName"])
+        if settings.contains("launcherBlacklistPlainTextEdit"):
+            self.ui.launcherBlacklistPlainTextEdit.setPlainText(settings.value("launcherBlacklistPlainTextEdit", type=str))
+        else:
+            self.ui.launcherBlacklistPlainTextEdit.setPlainText("")
+
+        if settings.contains("launcherWhitelistPlainTextEdit"):
+            self.ui.launcherWhitelistPlainTextEdit.setPlainText(settings.value("launcherWhitelistPlainTextEdit", type=str))
+        else:
+            self.ui.launcherWhitelistPlainTextEdit.setPlainText("")
+
+        if settings.contains("programPathsPlainTextEdit"):
+            self.ui.programPathsPlainTextEdit.setPlainText(settings.value("programPathsPlainTextEdit", type=str))
+        else:
+            self.ui.programPathsPlainTextEdit.setPlainText("")
+
+        #self.ui.name.textEdited.connect(self.check) #not called when text is changed programatically
+
+        self.ui.buttonBox.accepted.connect(self.process)
+        self.ui.buttonBox.rejected.connect(self.reject)
+
+        self.setWindowFlag(QtCore.Qt.Popup, True)
+        self.setModal(True)
+        self.setFocus(True)
+        self.exec_()
+
+    @staticmethod
+    def loadFromSettingsAndSendToEngine():
+        """Called on program start and in self.process, which has a bit overhead because
+        it is saving to file and then reloading from file (qsettings)"""
+        settings = QtCore.QSettings("LaborejoSoftwareSuite", METADATA["shortName"])
+        if settings.contains("launcherBlacklistPlainTextEdit"):
+            bl = settings.value("launcherBlacklistPlainTextEdit", type=str)
+        else:
+            bl = None
+
+        if settings.contains("launcherWhitelistPlainTextEdit"):
+            wl = settings.value("launcherWhitelistPlainTextEdit", type=str)
+        else:
+            wl = None
+
+        if settings.contains("programPathsPlainTextEdit"):
+            pth = settings.value("programPathsPlainTextEdit", type=str)
+        else:
+            pth = None
+        
+        blacklist = bl.split("\n") if bl else []
+        whitelist = wl.split("\n") if wl else []
+        
+        api.systemProgramsSetBlacklist(blacklist)
+        api.systemProgramsSetWhitelist(whitelist)
+
+        #Depends on SettingsDialog: More executable paths for the engine. We do this in mainwindow because it has access to the qsettings safe file and is started before engine, program-database or nsmd.
+        additionalExecutablePaths = pth.split("\n") if pth else []
+        if additionalExecutablePaths:
+            os.environ["PATH"] = os.pathsep.join(additionalExecutablePaths) + os.pathsep + os.environ["PATH"]
+
+    def process(self):
+        settings = QtCore.QSettings("LaborejoSoftwareSuite", METADATA["shortName"])
+       
+        settings.setValue("launcherBlacklistPlainTextEdit", self.ui.launcherBlacklistPlainTextEdit.toPlainText())
+        settings.setValue("launcherWhitelistPlainTextEdit", self.ui.launcherWhitelistPlainTextEdit.toPlainText())
+        settings.setValue("programPathsPlainTextEdit", self.ui.programPathsPlainTextEdit.toPlainText())
+
+        SettingsDialog.loadFromSettingsAndSendToEngine()
+
+        self.success = True
+        self.done(True)