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Fix QObject segfaults in QML

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CURA-6599
This commit is contained in:
Lipu Fei 2019-09-25 14:38:27 +02:00
parent d1330e5ffa
commit 9ced5e9205
4 changed files with 37 additions and 6 deletions
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13
cura/Settings/MachineManager.py
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@ -1599,12 +1599,17 @@ class MachineManager(QObject):
@pyqtProperty(QObject, fset = setQualityChangesGroup, notify = activeQualityChangesGroupChanged)
def activeQualityChangesGroup(self) -> Optional["QualityChangesGroup"]:
global_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack()
if not global_stack or global_stack.qualityChanges == empty_quality_changes_container:
if global_stack is None or global_stack.qualityChanges == empty_quality_changes_container:
return None
for group in ContainerTree.getInstance().getCurrentQualityChangesGroups(): # Match on the container ID of the global stack to find the quality changes group belonging to the active configuration.
all_group_list = ContainerTree.getInstance().getCurrentQualityChangesGroups()
the_group = None
for group in all_group_list: # Match on the container ID of the global stack to find the quality changes group belonging to the active configuration.
if group.metadata_for_global and group.metadata_for_global["id"] == global_stack.qualityChanges.getId():
return group
return None
the_group = group
break
return the_group
@pyqtProperty(bool, notify = activeQualityChangesGroupChanged)
def hasCustomQuality(self) -> bool: