Fix selecting quality_changes profiles for extruders

Now that containers in a quality_changes set don't share a common name, the quality_changes containers for extruders have a metadata entry "global_profile" pointing to the global quality_changes container id.

Contributes to CURA-2478 and CURA-2484

cura/QualityManager.py

@@ -42,7 +42,12 @@ class QualityManager:
     #   \return the matching quality changes containers \type{List[ContainerInstance]}
     def findQualityChangesByName(self, quality_changes_name, machine_definition=None):
         criteria = {"type": "quality_changes", "name": quality_changes_name}
-        return self._getFilteredContainersForStack(machine_definition, [], **criteria)
+        result = self._getFilteredContainersForStack(machine_definition, [], **criteria)
+
+        criteria = {"type": "quality_changes", "global_profile": quality_changes_name}
+        result.extend(self._getFilteredContainersForStack(machine_definition, [], **criteria))
+
+        return result
 
     ##  Fetch the list of available quality types for this combination of machine definition and materials.
     #

cura/Settings/ContainerManager.py

@@ -467,6 +467,8 @@ class ContainerManager(QObject):
             base_name = active_quality_name
         unique_name = self._container_registry.uniqueName(base_name)
 
+        global_changes = None
+
         # Go through the active stacks and create quality_changes containers from the user containers.
         for stack in cura.Settings.ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks():
             user_container = stack.getTop()
@@ -482,6 +484,11 @@ class ContainerManager(QObject):
                                                      extruder_id)
             self._performMerge(new_changes, user_container)
 
+            if stack is global_stack:
+                global_changes = new_changes
+            else:
+                new_changes.setMetaDataEntry("global_profile", global_changes.getId())
+
             self._container_registry.addContainer(new_changes)
             stack.replaceContainer(stack.getContainerIndex(quality_changes_container), new_changes)
 
@@ -628,8 +635,9 @@ class ContainerManager(QObject):
         new_change_instances = []
 
         # Handle the global stack first.
-        new_changes = self._createQualityChanges(quality_container, new_name, machine_definition, None)
-        new_change_instances.append(new_changes)
+        global_changes = self._createQualityChanges(quality_container, new_name, machine_definition, None)
+        new_changes.addMetaDataEntry("global_profile", global_changes.getId())
+        new_change_instances.append(global_changes)
         self._container_registry.addContainer(new_changes)
 
         # Handle the extruders if present.
@@ -638,6 +646,7 @@ class ContainerManager(QObject):
             for key in extruders:
                 value = extruders[key]
                 new_changes = self._createQualityChanges(quality_container, new_name, machine_definition, value)
+                new_changes.addMetaDataEntry("global_profile", global_changes.getId())
                 new_change_instances.append(new_changes)
                 self._container_registry.addContainer(new_changes)
 
@@ -646,10 +655,16 @@ class ContainerManager(QObject):
     #  Duplicate a quality changes container
     def _duplicateQualityChangesForMachineType(self, quality_changes_name, base_name, machine_definition):
         new_change_instances = []
+        profile_index = -1
+        global_changes_id = ""
         for container in QualityManager.getInstance().findQualityChangesByName(quality_changes_name,
                                                               machine_definition):
             new_unique_id = self._createUniqueId(container.getId(), base_name)
             new_container = container.duplicate(new_unique_id, base_name)
+            if profile_index >= 0:
+                new_changes.setMetaDataEntry("global_profile", global_changes_id)
+            else:
+                global_changes_id = new_unique_id
             new_change_instances.append(new_container)
             self._container_registry.addContainer(new_container)
 

cura/Settings/CuraContainerRegistry.py

@@ -171,6 +171,10 @@ class CuraContainerRegistry(ContainerRegistry):
                                     profile.setMetaDataEntry("extruder", extruder_id)
                                 else:
                                     profile.addMetaDataEntry("extruder", extruder_id)
+                                if "global_profile" in profile.getMetaData():
+                                    profile.setMetaDataEntry("global_profile", global_profile.getId())
+                                else:
+                                    profile.addMetaDataEntry("global_profile", global_profile.getId())
                             elif profile_index == 0:
                                 # Importing a multiextrusion profile into a single extrusion machine; merge 1st extruder profile into global profile
                                 profile._id = self.uniqueName("temporary_profile")

cura/Settings/MachineManager.py

@@ -462,7 +462,7 @@ class MachineManager(QObject):
     @pyqtProperty(str, notify=activeQualityChanged)
     def activeQualityName(self):
         if self._active_container_stack:
-            quality = self._active_container_stack.findContainer({"type": "quality_changes"})
+            quality = self._global_container_stack.findContainer({"type": "quality_changes"})
             if quality and quality != self._empty_quality_changes_container:
                 return quality.getName()
             quality = self._active_container_stack.findContainer({"type": "quality"})