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Fix getting correct initial extruder number

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As found in the discussion in #6847.

This was done as a 5 minute fix.
This commit is contained in:
Ghostkeeper 2020-01-16 13:59:02 +01:00
parent f5a64704bd
commit d18c0703b4
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2 changed files with 22 additions and 6 deletions
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21
cura/Settings/ExtruderManager.py
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@ -1,4 +1,4 @@
# Copyright (c) 2019 Ultimaker B.V.
# Copyright (c) 2020 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant # For communicating data and events to Qt.
@ -275,6 +275,25 @@ class ExtruderManager(QObject):
Logger.log("e", "Unable to find one or more of the extruders in %s", used_extruder_stack_ids)
return []
## Get the extruder that the print will start with.
#
# This should mirror the implementation in CuraEngine of
# ``FffGcodeWriter::getStartExtruder()``.
def getInitialExtruderNr(self) -> int:
application = cura.CuraApplication.CuraApplication.getInstance()
global_stack = application.getGlobalContainerStack()
# Starts with the adhesion extruder.
if global_stack.getProperty("adhesion_type", "value") != "none":
return global_stack.getProperty("adhesion_extruder_nr", "value")
# No adhesion? Well maybe there is still support brim.
if (global_stack.getProperty("support_enable", "value") or global_stack.getProperty("support_tree_enable", "value")) and global_stack.getProperty("support_brim_enable", "value"):
return global_stack.getProperty("support_infill_extruder_nr", "value")
# REALLY no adhesion? Use the first used extruder.
return self.getUsedExtruderStacks()[0].getProperty("extruder_nr", "value")
## Removes the container stack and user profile for the extruders for a specific machine.
#
# \param machine_id The machine to remove the extruders for.