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Merge pull request #994 from Ultimaker/optimise_machine_switch

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Speed up switching between multiextrusion machines
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Aldo Hoeben 2016-09-23 12:01:17 +02:00 • committed by GitHub
commit 281f9e18a3
2 changed files with 12 additions and 3 deletions
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13
cura/Settings/ExtruderManager.py
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@ -13,9 +13,13 @@ import UM.Settings.SettingFunction
#
# This keeps a list of extruder stacks for each machine.
class ExtruderManager(QObject):
## Signal to notify other components when the list of extruders changes.
## Signal to notify other components when the list of extruders for a machine definition changes.
extrudersChanged = pyqtSignal(QVariant)
## Signal to notify other components when the global container stack is switched to a definition
# that has different extruders than the previous global container stack
globalContainerStackDefinitionChanged = pyqtSignal()
## Notify when the user switches the currently active extruder.
activeExtruderChanged = pyqtSignal()
@ -25,6 +29,7 @@ class ExtruderManager(QObject):
self._extruder_trains = { } #Per machine, a dictionary of extruder container stack IDs.
self._active_extruder_index = 0
UM.Application.getInstance().globalContainerStackChanged.connect(self.__globalContainerStackChanged)
self._global_container_stack_definition_id = None
self._addCurrentMachineExtruders()
## Gets the unique identifier of the currently active extruder stack.
@ -141,7 +146,7 @@ class ExtruderManager(QObject):
shallow_stack = UM.Settings.ContainerStack(machine_id + "_shallow")
shallow_stack.addContainer(machine_definition)
extruder_train.setNextStack(shallow_stack)
changed = True
changed = True
if changed:
self.extrudersChanged.emit(machine_id)
@ -314,6 +319,10 @@ class ExtruderManager(QObject):
def __globalContainerStackChanged(self):
self._addCurrentMachineExtruders()
global_container_stack = UM.Application.getInstance().getGlobalContainerStack()
if global_container_stack and global_container_stack.getBottom() and global_container_stack.getBottom().getId() != self._global_container_stack_definition_id:
self._global_container_stack_definition_id = global_container_stack.getBottom().getId()
self.globalContainerStackDefinitionChanged.emit()
self.activeExtruderChanged.emit()
## Adds the extruders of the currently active machine.