From a712e7517a650580080728520c88f40cc5507211 Mon Sep 17 00:00:00 2001
From: "j.spijker@ultimaker.com" <jelle spijker>
Date: Wed, 27 Jul 2022 18:12:25 +0200
Subject: [PATCH] Add the received slice_uuid to the print information

Contributes to CURA-9031
---
 cura/UI/PrintInformation.py                    | 10 ++++++++++
 plugins/CuraEngineBackend/Cura.proto           |  4 ++++
 plugins/CuraEngineBackend/CuraEngineBackend.py |  5 +++++
 3 files changed, 19 insertions(+)

diff --git a/cura/UI/PrintInformation.py b/cura/UI/PrintInformation.py
index e18fc38247..ce2a0cfed1 100644
--- a/cura/UI/PrintInformation.py
+++ b/cura/UI/PrintInformation.py
@@ -38,6 +38,8 @@ class PrintInformation(QObject):
 
         self.initializeCuraMessagePrintTimeProperties()
 
+        self._slice_uuid: Optional[str] = None
+
         # Indexed by build plate number
         self._material_lengths = {}  # type: Dict[int, List[float]]
         self._material_weights = {}  # type: Dict[int, List[float]]
@@ -132,6 +134,14 @@ class PrintInformation(QObject):
             self._updateJobName()
             self.preSlicedChanged.emit()
 
+    @property
+    def slice_uuid(self) -> Optional[str]:
+        return self._slice_uuid
+
+    @slice_uuid.setter
+    def slice_uuid(self, value: Optional[str]) -> None:
+        self._slice_uuid = value
+
     @pyqtProperty(QObject, notify = currentPrintTimeChanged)
     def currentPrintTime(self) -> Duration:
         return self._current_print_time[self._active_build_plate]
diff --git a/plugins/CuraEngineBackend/Cura.proto b/plugins/CuraEngineBackend/Cura.proto
index 2eabe62366..b420a6ecc2 100644
--- a/plugins/CuraEngineBackend/Cura.proto
+++ b/plugins/CuraEngineBackend/Cura.proto
@@ -139,5 +139,9 @@ message GCodePrefix {
     bytes data = 2; //Header string to be prepended before the rest of the g-code sent from the engine.
 }
 
+message SliceUUID {
+    string slice_uuid = 1; //The UUID of the slice.
+}
+
 message SlicingFinished {
 }
diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index 18088a99c6..db27f8a6a3 100755
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -124,6 +124,7 @@ class CuraEngineBackend(QObject, Backend):
         self._message_handlers["cura.proto.Progress"] = self._onProgressMessage
         self._message_handlers["cura.proto.GCodeLayer"] = self._onGCodeLayerMessage
         self._message_handlers["cura.proto.GCodePrefix"] = self._onGCodePrefixMessage
+        self._message_handlers["cura.proto.SliceUUID"] = self._onSliceUUIDMessage
         self._message_handlers["cura.proto.PrintTimeMaterialEstimates"] = self._onPrintTimeMaterialEstimates
         self._message_handlers["cura.proto.SlicingFinished"] = self._onSlicingFinishedMessage
 
@@ -812,6 +813,10 @@ class CuraEngineBackend(QObject, Backend):
         except KeyError:  # Can occur if the g-code has been cleared while a slice message is still arriving from the other end.
             pass  # Throw the message away.
 
+    def _onSliceUUIDMessage(self, message: Arcus.PythonMessage) -> None:
+        application = CuraApplication.getInstance()
+        application.getPrintInformation().slice_uuid = message.slice_uuid
+
     def _createSocket(self, protocol_file: str = None) -> None:
         """Creates a new socket connection."""