https://bugs.kde.org/show_bug.cgi?id=446811
Bug ID: 446811
Summary: setChildNodes misorders nodes, and a crash-bug on the
way
Product: krita
Version: 5.0.0-beta2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Layer Stack
Assignee: krita-bugs-n...@kde.org
Reporter: julesletters+...@gmail.com
Target Milestone: ---
Created attachment 144441
--> https://bugs.kde.org/attachment.cgi?id=144441&action=edit
Long Crashlog included for completeness. The last few entries are from the
provided script.
SUMMARY
STEPS TO REPRODUCE
1. Open Krita
2. Create a new document (I've used a custom document, 600 x 800)
3. Open the scripter via Tools > Scripts > Scripter, and use the following:
```
from krita import Krita, Document
class MyBug:
@staticmethod
def log_info(text: str) -> None:
print(text)
@staticmethod
def remove_layer_if_exists(document: Document, layer_name: str) -> None:
layer = document.nodeByName(layer_name)
if layer:
layer.remove()
def do_a_thing(self) -> None:
self.log_info("Doing the thing!")
active_document = Krita.instance().activeDocument()
temp_layer_name = "MY_LAYER"
cloned_layer_name = f"{temp_layer_name}_CLONE"
if active_document:
self.log_info("A")
self.remove_layer_if_exists(active_document, temp_layer_name)
self.remove_layer_if_exists(active_document, cloned_layer_name)
self.log_info("B")
temp_layer = active_document.createGroupLayer(temp_layer_name)
self.log_info("C")
active_document.rootNode().addChildNode(temp_layer, None)
self.log_info("D")
child_nodes = [active_document.createNode("01", "paintLayer"),
active_document.createNode("02", "paintLayer"),
active_document.createNode("03", "paintLayer")]
self.log_info("E")
temp_layer.setChildNodes(child_nodes)
self.log_info("F")
cloned_layer = temp_layer.clone()
self.log_info("G")
cloned_layer.setName(cloned_layer_name)
additional_child_nodes = [active_document.createNode("04",
"paintLayer"),
active_document.createNode("05",
"paintLayer")]
nodes = cloned_layer.childNodes() + additional_child_nodes
self.log_info(str([n.name() for n in nodes]))
self.log_info("H")
cloned_layer.setChildNodes(nodes)
self.log_info("I")
active_document.rootNode().addChildNode(cloned_layer, None)
self.log_info("Exiting Doing the thing function.")
MyBug().do_a_thing()
```
OBSERVED RESULT
Either:
1) A Crash after 'C' is logged to the console
2) The resulting Node tree is: MY_LAYER_CLONE (05, 04, 01, 03, 02), MY_LAYER
(03, 02, 01)
EXPECTED RESULT
The resulting Node tree is: MY_LAYER_CLONE (05, 04, 03, 02, 01), MY_LAYER (03,
02, 01)
SOFTWARE/OS VERSIONS
Windows: 10.0.19043 Build 19043.1348
KDE Plasma Version: ???
KDE Frameworks Version: ???
Qt Version: ???
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