Merge branch 'master' of https://github.com/Ultimaker/Cura

cura/Settings/MachineManager.py

@@ -239,7 +239,6 @@ class MachineManager(QObject):
             self.activeQualityChanged.emit()
 
     def _onPropertyChanged(self, key, property_name):
-        # HACK CURA-2173
         if property_name == "value":
             # If a setting is not settable per extruder but at the same time settable per mesh, the engine needs a value in the extruder stack
             # This is mainly the case for the "support_enable" setting.
@@ -250,7 +249,6 @@ class MachineManager(QObject):
                     for extruder_stack in stacks:
                         if extruder_stack.getProperty(key, "value") != new_value:
                             extruder_stack.getTop().setProperty(key, "value", new_value)
-        # /HACK
 
         if property_name == "validationState":
             if self._active_stack_valid:

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -207,6 +207,9 @@ class CuraEngineBackend(Backend):
 
             except Exception as e:  # terminating a process that is already terminating causes an exception, silently ignore this.
                 Logger.log("d", "Exception occurred while trying to kill the engine %s", str(e))
+        else:
+            # Process is none, but something did went wrong here. Try and re-create the socket
+            self._createSocket()
 
     ##  Event handler to call when the job to initiate the slicing process is
     #   completed.
@@ -387,7 +390,6 @@ class CuraEngineBackend(Backend):
     #   \param tool The tool that the user was using.
     def _onToolOperationStopped(self, tool):
         self._enabled = True  # Tool stop, start listening for changes again.
-        self._terminate()
         
     ##  Called when the user changes the active view mode.
     def _onActiveViewChanged(self):

plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py

@@ -99,7 +99,7 @@ class RemovableDriveOutputDevice(OutputDevice):
         self._writing = False
         self.writeFinished.emit(self)
         if job.getResult():
-            message = Message(catalog.i18nc("@info:status", "Saved to Removable Drive {0} as {1}").format(self.getName(), os.path.basename(job.getFileName())))
+            message = Message(catalog.i18nc("@info:status", "Saved to Removable Drive {0} as {1}").format(self.getName(), os.path.basename(job.getFileName())), lifetime = 0)
             message.addAction("eject", catalog.i18nc("@action:button", "Eject"), "eject", catalog.i18nc("@action", "Eject removable device {0}").format(self.getName()))
             message.actionTriggered.connect(self._onActionTriggered)
             message.show()