More robust desktop discovery

engine/findprograms.py

@@ -72,14 +72,20 @@ class SupportedProgramsDatabase(object):
                     "luppp", "non-mixer", "non-timeline", "non-sequencer", "non-midi-mapper", "non-mixer-noui",
                     "OPNplug", "qmidiarp", "qtractor", "zynaddsubfx", "jack_mixer",
                     "hydrogen", "mfp", "shuriken", "laborejo", "guitarix", "radium",
-                    "ray-proxy", "ray-jackpatch",                                        
+                    "ray-proxy", "ray-jackpatch", "amsynth",
                     ) #shortcut list and programs not found by buildCache_grepExecutablePaths because they are just shellscripts and do not contain /nsm/server/announce.
         self.userWhitelist = () #added dynamically to morePrograms. highest priority
         self.userBlacklist = () #added dynamically to blacklist. highest priority
         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-single" : "carla.desktop",  #We CANNOT add them here because both key and value must be unique and hashable. We create a reverse dict from this.
+            #"carla-jack-patchbay" : "carla.desktop",
+            #"carla-jack-rack" : "carla.desktop",
+            "ams" : "ams.desktop",
+            "amsynth" : "amsynth.desktop",
         }
+        self._reverseKnownDesktopFiles = dict(zip(self.knownDesktopFiles.values(),self.knownDesktopFiles.keys())) #to lookup the exe by desktoip name
         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.
@@ -146,10 +152,10 @@ class SupportedProgramsDatabase(object):
                     try:
                         config.read(f)
                         entryDict = dict(config._sections["Desktop Entry"])
-                        if f.name == "zynaddsubfx-jack.desktop":
+                        #Replace simple names in our shortcut list with full data
-                            self.knownDesktopFiles["zynaddsubfx"] = entryDict
+                        if f.name in self.knownDesktopFiles.values():
-                        elif f.name == "carla.desktop":
+                            key = self._reverseKnownDesktopFiles[f.name]                            
-                            self.knownDesktopFiles["carla-jack-multi"] = entryDict
+                            self.knownDesktopFiles[key] = entryDict                            
                         #in any case:
                         allDesktopEntries.append(entryDict)  #_sections   'DesktopEntry':{dictOfActualData)
                     except: #any bad config means skip
@@ -184,10 +190,12 @@ class SupportedProgramsDatabase(object):
     def _exeToDesktopEntry(self, exe:str)->dict:
         """Assumes self.desktopEntries is up to date
         Convert one exe (not full path!) to one dict entry. """
-        if exe in self.knownDesktopFiles: #Shortcut through internal database
+        if exe in self.knownDesktopFiles: #Shortcut through internal database                        
             entry = self.knownDesktopFiles[exe]
+            return entry
         else: #Reverse Search desktop files.
             for entry in self.desktopEntries:
+                self.progressHook(f"desktop: {entry}")
                 if "exec" in entry and exe.lower() in entry["exec"].lower():
                     return entry
             #else: #Foor loop ended. Did not find any matching desktop file

qtgui/quickopensessioncontroller.py

@@ -136,8 +136,9 @@ class StarterClientItem(QtWidgets.QListWidgetItem):
             p.drawPixmap(2, 2, overlayPixmap) #top left corner of icon, with some padding for the shadow
             p.end()
             ico = QtGui.QIcon(pixmap)
-        else:
+        else:            
-            ico = self.parentController.mainWindow.programIcons[self.argodejoExec]
+            assert self.argodejoExec in self.parentController.mainWindow.programIcons, self.argodejoExec #because we created missing icons ourselves
+            ico = self.parentController.mainWindow.programIcons[self.argodejoExec]            
 
         self.setIcon(ico)