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Add timer to QualityProfilesDropdownMenuModel to prevent unneeded updates

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It's the same old trick we've pulled off quite often, so this should be pretty safe
This commit is contained in:
Jaime van Kessel 2018-12-21 17:12:07 +01:00
parent facf1428d6
commit f627560751
1 changed files with 13 additions and 5 deletions
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18
cura/Machines/Models/QualityProfilesDropDownMenuModel.py
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@ -1,7 +1,7 @@
# Copyright (c) 2018 Ultimaker B.V. # Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher. # Cura is released under the terms of the LGPLv3 or higher.
from PyQt5.QtCore import Qt from PyQt5.QtCore import Qt, QTimer
from UM.Application import Application from UM.Application import Application
from UM.Logger import Logger from UM.Logger import Logger
@ -39,15 +39,23 @@ class QualityProfilesDropDownMenuModel(ListModel):
self._machine_manager = self._application.getMachineManager() self._machine_manager = self._application.getMachineManager()
self._quality_manager = Application.getInstance().getQualityManager() self._quality_manager = Application.getInstance().getQualityManager()
self._application.globalContainerStackChanged.connect(self._update) self._application.globalContainerStackChanged.connect(self._onChange)
self._machine_manager.activeQualityGroupChanged.connect(self._update) self._machine_manager.activeQualityGroupChanged.connect(self._onChange)
self._machine_manager.extruderChanged.connect(self._update) self._machine_manager.extruderChanged.connect(self._onChange)
self._quality_manager.qualitiesUpdated.connect(self._update) self._quality_manager.qualitiesUpdated.connect(self._onChange)
self._layer_height_unit = "" # This is cached self._layer_height_unit = "" # This is cached
self._update_timer = QTimer() # type: QTimer
self._update_timer.setInterval(100)
self._update_timer.setSingleShot(True)
self._update_timer.timeout.connect(self._update)
self._update() self._update()
def _onChange(self) -> None:
self._update_timer.start()
def _update(self): def _update(self):
Logger.log("d", "Updating {model_class_name}.".format(model_class_name = self.__class__.__name__)) Logger.log("d", "Updating {model_class_name}.".format(model_class_name = self.__class__.__name__))