CURA-5164 The Preferences is not a singleton class anymore since in some point

several instances need to be created.

- In the ThreeMFWorkspaceReader we need to create some temporal
instances of Preferences that makes it not singleton anymore.

- The current preferences are kept in the Application class and so all
the calls to the preferences are changed to get the preferences from
Application.

- The method getInstance in Preferences is kept as deprecated since some
external plugins.
This commit is contained in:
Diego Prado Gesto 2018-05-11 08:42:03 +02:00
parent 42ecb12614
commit 43657010ba
22 changed files with 102 additions and 119 deletions

View file

@ -459,7 +459,7 @@ class CuraApplication(QtApplication):
self._container_registry.loadAllMetadata()
# set the setting version for Preferences
preferences = Preferences.getInstance()
preferences = self.getPreferences()
preferences.addPreference("metadata/setting_version", 0)
preferences.setValue("metadata/setting_version", self.SettingVersion) #Don't make it equal to the default so that the setting version always gets written to the file.
@ -484,7 +484,7 @@ class CuraApplication(QtApplication):
preferences.addPreference("view/filter_current_build_plate", False)
preferences.addPreference("cura/sidebar_collapsed", False)
self._need_to_show_user_agreement = not Preferences.getInstance().getValue("general/accepted_user_agreement")
self._need_to_show_user_agreement = not self.getPreferences().getValue("general/accepted_user_agreement")
for key in [
"dialog_load_path", # dialog_save_path is in LocalFileOutputDevicePlugin
@ -546,7 +546,7 @@ class CuraApplication(QtApplication):
def discardOrKeepProfileChanges(self):
has_user_interaction = False
choice = Preferences.getInstance().getValue("cura/choice_on_profile_override")
choice = self.getPreferences().getValue("cura/choice_on_profile_override")
if choice == "always_discard":
# don't show dialog and DISCARD the profile
self.discardOrKeepProfileChangesClosed("discard")
@ -597,12 +597,12 @@ class CuraApplication(QtApplication):
@pyqtSlot(str, result = QUrl)
def getDefaultPath(self, key):
default_path = Preferences.getInstance().getValue("local_file/%s" % key)
default_path = self.getPreferences().getValue("local_file/%s" % key)
return QUrl.fromLocalFile(default_path)
@pyqtSlot(str, str)
def setDefaultPath(self, key, default_path):
Preferences.getInstance().setValue("local_file/%s" % key, QUrl(default_path).toLocalFile())
self.getPreferences().setValue("local_file/%s" % key, QUrl(default_path).toLocalFile())
## Handle loading of all plugin types (and the backend explicitly)
# \sa PluginRegistry
@ -672,7 +672,7 @@ class CuraApplication(QtApplication):
# Initialize setting visibility presets model
self._setting_visibility_presets_model = SettingVisibilityPresetsModel(self)
default_visibility_profile = self._setting_visibility_presets_model.getItem(0)
Preferences.getInstance().setDefault("general/visible_settings", ";".join(default_visibility_profile["settings"]))
self.getPreferences().setDefault("general/visible_settings", ";".join(default_visibility_profile["settings"]))
# Detect in which mode to run and execute that mode
if self._is_headless:
@ -934,7 +934,7 @@ class CuraApplication(QtApplication):
# Default
self.getController().setActiveTool("TranslateTool")
if Preferences.getInstance().getValue("view/center_on_select"):
if self.getPreferences().getValue("view/center_on_select"):
self._center_after_select = True
else:
if self.getController().getActiveTool():
@ -1329,15 +1329,15 @@ class CuraApplication(QtApplication):
categories = list(set(categories))
categories.sort()
joined = ";".join(categories)
if joined != Preferences.getInstance().getValue("cura/categories_expanded"):
Preferences.getInstance().setValue("cura/categories_expanded", joined)
if joined != self.getPreferences().getValue("cura/categories_expanded"):
self.getPreferences().setValue("cura/categories_expanded", joined)
self.expandedCategoriesChanged.emit()
expandedCategoriesChanged = pyqtSignal()
@pyqtProperty("QStringList", notify = expandedCategoriesChanged)
def expandedCategories(self):
return Preferences.getInstance().getValue("cura/categories_expanded").split(";")
return self.getPreferences().getValue("cura/categories_expanded").split(";")
@pyqtSlot()
def mergeSelected(self):
@ -1600,8 +1600,8 @@ class CuraApplication(QtApplication):
self.fileLoaded.emit(filename)
arrange_objects_on_load = (
not Preferences.getInstance().getValue("cura/use_multi_build_plate") or
not Preferences.getInstance().getValue("cura/not_arrange_objects_on_load"))
not self.getPreferences().getValue("cura/use_multi_build_plate") or
not self.getPreferences().getValue("cura/not_arrange_objects_on_load"))
target_build_plate = self.getMultiBuildPlateModel().activeBuildPlate if arrange_objects_on_load else -1
root = self.getController().getScene().getRoot()

View file

@ -8,9 +8,9 @@ from configparser import ConfigParser
from PyQt5.QtCore import pyqtProperty, Qt, pyqtSignal, pyqtSlot
from UM.Application import Application
from UM.Logger import Logger
from UM.Qt.ListModel import ListModel
from UM.Preferences import Preferences
from UM.Resources import Resources
from UM.MimeTypeDatabase import MimeTypeDatabase, MimeTypeNotFoundError
@ -33,7 +33,7 @@ class SettingVisibilityPresetsModel(ListModel):
basic_item = self.items[1]
basic_visibile_settings = ";".join(basic_item["settings"])
self._preferences = Preferences.getInstance()
self._preferences = Application.getInstance().getPreferences()
# Preference to store which preset is currently selected
self._preferences.addPreference("cura/active_setting_visibility_preset", "basic")
# Preference that stores the "custom" set so it can always be restored (even after a restart)

View file

@ -8,7 +8,6 @@ from UM.Qt.ListModel import ListModel
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.SceneNode import SceneNode
from UM.Scene.Selection import Selection
from UM.Preferences import Preferences
from UM.i18n import i18nCatalog
catalog = i18nCatalog("cura")
@ -20,7 +19,7 @@ class ObjectsModel(ListModel):
super().__init__()
Application.getInstance().getController().getScene().sceneChanged.connect(self._updateDelayed)
Preferences.getInstance().preferenceChanged.connect(self._updateDelayed)
Application.getInstance().getPreferences().preferenceChanged.connect(self._updateDelayed)
self._update_timer = QTimer()
self._update_timer.setInterval(100)
@ -38,7 +37,7 @@ class ObjectsModel(ListModel):
def _update(self, *args):
nodes = []
filter_current_build_plate = Preferences.getInstance().getValue("view/filter_current_build_plate")
filter_current_build_plate = Application.getInstance().getPreferences().getValue("view/filter_current_build_plate")
active_build_plate_number = self._build_plate_number
group_nr = 1
for node in DepthFirstIterator(Application.getInstance().getController().getScene().getRoot()):

View file

@ -8,7 +8,6 @@ from UM.Scene.SceneNode import SceneNode
from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
from UM.Math.Vector import Vector
from UM.Scene.Selection import Selection
from UM.Preferences import Preferences
from cura.Scene.ConvexHullDecorator import ConvexHullDecorator
@ -36,8 +35,8 @@ class PlatformPhysics:
self._max_overlap_checks = 10 # How many times should we try to find a new spot per tick?
self._minimum_gap = 2 # It is a minimum distance (in mm) between two models, applicable for small models
Preferences.getInstance().addPreference("physics/automatic_push_free", True)
Preferences.getInstance().addPreference("physics/automatic_drop_down", True)
Application.getInstance().getPreferences().addPreference("physics/automatic_push_free", True)
Application.getInstance().getPreferences().addPreference("physics/automatic_drop_down", True)
def _onSceneChanged(self, source):
if not source.getMeshData():
@ -71,7 +70,7 @@ class PlatformPhysics:
# Move it downwards if bottom is above platform
move_vector = Vector()
if Preferences.getInstance().getValue("physics/automatic_drop_down") and not (node.getParent() and node.getParent().callDecoration("isGroup") or node.getParent() != root) and node.isEnabled(): #If an object is grouped, don't move it down
if Application.getInstance().getPreferences().getValue("physics/automatic_drop_down") and not (node.getParent() and node.getParent().callDecoration("isGroup") or node.getParent() != root) and node.isEnabled(): #If an object is grouped, don't move it down
z_offset = node.callDecoration("getZOffset") if node.getDecorator(ZOffsetDecorator.ZOffsetDecorator) else 0
move_vector = move_vector.set(y = -bbox.bottom + z_offset)
@ -80,7 +79,7 @@ class PlatformPhysics:
node.addDecorator(ConvexHullDecorator())
# only push away objects if this node is a printing mesh
if not node.callDecoration("isNonPrintingMesh") and Preferences.getInstance().getValue("physics/automatic_push_free"):
if not node.callDecoration("isNonPrintingMesh") and Application.getInstance().getPreferences().getValue("physics/automatic_push_free"):
# Check for collisions between convex hulls
for other_node in BreadthFirstIterator(root):
# Ignore root, ourselves and anything that is not a normal SceneNode.

View file

@ -12,7 +12,6 @@ from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty, pyqtSlot
from UM.i18n import i18nCatalog
from UM.Logger import Logger
from UM.Preferences import Preferences
from UM.Qt.Duration import Duration
from UM.Scene.SceneNode import SceneNode
@ -80,7 +79,7 @@ class PrintInformation(QObject):
self._application.workspaceLoaded.connect(self.setProjectName)
self._multi_build_plate_model.activeBuildPlateChanged.connect(self._onActiveBuildPlateChanged)
Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
self._application.getInstance().getPreferences().preferenceChanged.connect(self._onPreferencesChanged)
self._application.getMachineManager().rootMaterialChanged.connect(self._onActiveMaterialsChanged)
self._onActiveMaterialsChanged()
@ -208,7 +207,7 @@ class PrintInformation(QObject):
self._material_costs[build_plate_number] = []
self._material_names[build_plate_number] = []
material_preference_values = json.loads(Preferences.getInstance().getValue("cura/material_settings"))
material_preference_values = json.loads(self._application.getInstance().getPreferences().getValue("cura/material_settings"))
extruder_stacks = global_stack.extruders
for position, extruder_stack in extruder_stacks.items():
@ -299,7 +298,7 @@ class PrintInformation(QObject):
self._setAbbreviatedMachineName()
if self._pre_sliced:
self._job_name = catalog.i18nc("@label", "Pre-sliced file {0}", base_name)
elif Preferences.getInstance().getValue("cura/jobname_prefix"):
elif self._application.getInstance().getPreferences().getValue("cura/jobname_prefix"):
# Don't add abbreviation if it already has the exact same abbreviation.
if base_name.startswith(self._abbr_machine + "_"):
self._job_name = base_name

View file

@ -16,7 +16,6 @@ from UM.FlameProfiler import pyqtSlot
from UM import Util
from UM.Application import Application
from UM.Preferences import Preferences
from UM.Logger import Logger
from UM.Message import Message
@ -97,12 +96,12 @@ class MachineManager(QObject):
ExtruderManager.getInstance().activeExtruderChanged.connect(self.activeStackChanged)
self.activeStackChanged.connect(self.activeStackValueChanged)
Preferences.getInstance().addPreference("cura/active_machine", "")
self._application.getPreferences().addPreference("cura/active_machine", "")
self._global_event_keys = set()
self._printer_output_devices = [] # type: List[PrinterOutputDevice]
Application.getInstance().getOutputDeviceManager().outputDevicesChanged.connect(self._onOutputDevicesChanged)
self._application.getOutputDeviceManager().outputDevicesChanged.connect(self._onOutputDevicesChanged)
# There might already be some output devices by the time the signal is connected
self._onOutputDevicesChanged()
@ -163,7 +162,7 @@ class MachineManager(QObject):
rootMaterialChanged = pyqtSignal()
def setInitialActiveMachine(self) -> None:
active_machine_id = Preferences.getInstance().getValue("cura/active_machine")
active_machine_id = self._application.getPreferences().getValue("cura/active_machine")
if active_machine_id != "" and ContainerRegistry.getInstance().findContainerStacksMetadata(id = active_machine_id):
# An active machine was saved, so restore it.
self.setActiveMachine(active_machine_id)
@ -172,7 +171,7 @@ class MachineManager(QObject):
def _onOutputDevicesChanged(self) -> None:
self._printer_output_devices = []
for printer_output_device in Application.getInstance().getOutputDeviceManager().getOutputDevices():
for printer_output_device in self._application.getOutputDeviceManager().getOutputDevices():
if isinstance(printer_output_device, PrinterOutputDevice):
self._printer_output_devices.append(printer_output_device)
@ -239,7 +238,7 @@ class MachineManager(QObject):
extruder_stack.containersChanged.disconnect(self._onContainersChanged)
# Update the local global container stack reference
self._global_container_stack = Application.getInstance().getGlobalContainerStack()
self._global_container_stack = self._application.getGlobalContainerStack()
if self._global_container_stack:
self.updateDefaultExtruder()
self.updateNumberExtrudersEnabled()
@ -247,7 +246,7 @@ class MachineManager(QObject):
# after switching the global stack we reconnect all the signals and set the variant and material references
if self._global_container_stack:
Preferences.getInstance().setValue("cura/active_machine", self._global_container_stack.getId())
self._application.getPreferences().setValue("cura/active_machine", self._global_container_stack.getId())
self._global_container_stack.nameChanged.connect(self._onMachineNameChanged)
self._global_container_stack.containersChanged.connect(self._onContainersChanged)
@ -271,7 +270,7 @@ class MachineManager(QObject):
if self._global_container_stack.getId() in self.machine_extruder_material_update_dict:
for func in self.machine_extruder_material_update_dict[self._global_container_stack.getId()]:
Application.getInstance().callLater(func)
self._application.callLater(func)
del self.machine_extruder_material_update_dict[self._global_container_stack.getId()]
self.activeQualityGroupChanged.emit()
@ -361,7 +360,7 @@ class MachineManager(QObject):
global_stack = containers[0]
ExtruderManager.getInstance().setActiveExtruderIndex(0) # Switch to first extruder
self._global_container_stack = global_stack
Application.getInstance().setGlobalContainerStack(global_stack)
self._application.setGlobalContainerStack(global_stack)
ExtruderManager.getInstance()._globalContainerStackChanged()
self._initMachineState(containers[0])
self._onGlobalContainerChanged()
@ -835,7 +834,7 @@ class MachineManager(QObject):
## Set the amount of extruders on the active machine (global stack)
# \param extruder_count int the number of extruders to set
def setActiveMachineExtruderCount(self, extruder_count: int) -> None:
extruder_manager = Application.getInstance().getExtruderManager()
extruder_manager = self._application.getExtruderManager()
definition_changes_container = self._global_container_stack.definitionChanges
if not self._global_container_stack or definition_changes_container == self._empty_definition_changes_container:
@ -852,7 +851,7 @@ class MachineManager(QObject):
self.correctExtruderSettings()
# Check to see if any objects are set to print with an extruder that will no longer exist
root_node = Application.getInstance().getController().getScene().getRoot()
root_node = self._application.getController().getScene().getRoot()
for node in DepthFirstIterator(root_node):
if node.getMeshData():
extruder_nr = node.callDecoration("getActiveExtruderPosition")
@ -885,7 +884,7 @@ class MachineManager(QObject):
global_user_container.removeInstance(setting_key)
# Signal that the global stack has changed
Application.getInstance().globalContainerStackChanged.emit()
self._application.globalContainerStackChanged.emit()
self.forceUpdateAllSettings()
@pyqtSlot(int, result = QObject)
@ -1117,7 +1116,7 @@ class MachineManager(QObject):
def _setGlobalVariant(self, container_node):
self._global_container_stack.variant = container_node.getContainer()
if not self._global_container_stack.variant:
self._global_container_stack.variant = Application.getInstance().empty_variant_container
self._global_container_stack.variant = self._application.empty_variant_container
def _setMaterial(self, position, container_node = None):
if container_node and container_node.getContainer():
@ -1359,7 +1358,7 @@ class MachineManager(QObject):
self._setQualityGroup(quality_group)
# See if we need to show the Discard or Keep changes screen
if not no_dialog and self.hasUserSettings and Preferences.getInstance().getValue("cura/active_mode") == 1:
if not no_dialog and self.hasUserSettings and self._application.getPreferences().getValue("cura/active_mode") == 1:
self._application.discardOrKeepProfileChanges()
@pyqtProperty(QObject, fset = setQualityGroup, notify = activeQualityGroupChanged)
@ -1373,7 +1372,7 @@ class MachineManager(QObject):
self._setQualityChangesGroup(quality_changes_group)
# See if we need to show the Discard or Keep changes screen
if not no_dialog and self.hasUserSettings and Preferences.getInstance().getValue("cura/active_mode") == 1:
if not no_dialog and self.hasUserSettings and self._application.getPreferences().getValue("cura/active_mode") == 1:
self._application.discardOrKeepProfileChanges()
@pyqtSlot()

View file

@ -456,7 +456,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
num_visible_settings = len(visible_settings_string.split(";"))
active_mode = temp_preferences.getValue("cura/active_mode")
if not active_mode:
active_mode = Preferences.getInstance().getValue("cura/active_mode")
active_mode = Application.getInstance().getPreferences().getValue("cura/active_mode")
except KeyError:
# If there is no preferences file, it's not a workspace, so notify user of failure.
Logger.log("w", "File %s is not a valid workspace.", file_name)
@ -575,7 +575,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
temp_preferences.deserialize(serialized)
# Copy a number of settings from the temp preferences to the global
global_preferences = Preferences.getInstance()
global_preferences = application.getInstance().getPreferences()
visible_settings = temp_preferences.getValue("general/visible_settings")
if visible_settings is None:

View file

@ -51,7 +51,7 @@ class ThreeMFWorkspaceWriter(WorkspaceWriter):
self._writeContainerToArchive(container, archive)
# Write preferences to archive
original_preferences = Preferences.getInstance() #Copy only the preferences that we use to the workspace.
original_preferences = Application.getInstance().getPreferences() #Copy only the preferences that we use to the workspace.
temp_preferences = Preferences()
for preference in {"general/visible_settings", "cura/active_mode", "cura/categories_expanded"}:
temp_preferences.addPreference(preference, None)

View file

@ -4,7 +4,6 @@
from PyQt5.QtCore import QTimer
from UM.Extension import Extension
from UM.Preferences import Preferences
from UM.Application import Application
from UM.Resources import Resources
from UM.Logger import Logger
@ -14,14 +13,14 @@ class AutoSave(Extension):
def __init__(self):
super().__init__()
Preferences.getInstance().preferenceChanged.connect(self._triggerTimer)
Application.getInstance().getPreferences().preferenceChanged.connect(self._triggerTimer)
self._global_stack = None
Preferences.getInstance().addPreference("cura/autosave_delay", 1000 * 10)
Application.getInstance().getPreferences().addPreference("cura/autosave_delay", 1000 * 10)
self._change_timer = QTimer()
self._change_timer.setInterval(Preferences.getInstance().getValue("cura/autosave_delay"))
self._change_timer.setInterval(Application.getInstance().getPreferences().getValue("cura/autosave_delay"))
self._change_timer.setSingleShot(True)
self._saving = False
@ -72,6 +71,6 @@ class AutoSave(Extension):
Application.getInstance().saveSettings()
Preferences.getInstance().writeToFile(Resources.getStoragePath(Resources.Preferences, Application.getInstance().getApplicationName() + ".cfg"))
Application.getInstance().getPreferences().writeToFile(Resources.getStoragePath(Resources.Preferences, Application.getInstance().getApplicationName() + ".cfg"))
self._saving = False

View file

@ -3,7 +3,6 @@
from UM.i18n import i18nCatalog
from UM.Extension import Extension
from UM.Preferences import Preferences
from UM.Application import Application
from UM.PluginRegistry import PluginRegistry
from UM.Version import Version
@ -29,7 +28,7 @@ class ChangeLog(Extension, QObject,):
self._change_logs = None
Application.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
Preferences.getInstance().addPreference("general/latest_version_changelog_shown", "2.0.0") #First version of CURA with uranium
Application.getInstance().getPreferences().addPreference("general/latest_version_changelog_shown", "2.0.0") #First version of CURA with uranium
self.addMenuItem(catalog.i18nc("@item:inmenu", "Show Changelog"), self.showChangelog)
def getChangeLogs(self):
@ -79,12 +78,12 @@ class ChangeLog(Extension, QObject,):
if not self._current_app_version:
return #We're on dev branch.
if Preferences.getInstance().getValue("general/latest_version_changelog_shown") == "master":
if Application.getInstance().getPreferences().getValue("general/latest_version_changelog_shown") == "master":
latest_version_shown = Version("0.0.0")
else:
latest_version_shown = Version(Preferences.getInstance().getValue("general/latest_version_changelog_shown"))
latest_version_shown = Version(Application.getInstance().getPreferences().getValue("general/latest_version_changelog_shown"))
Preferences.getInstance().setValue("general/latest_version_changelog_shown", Application.getInstance().getVersion())
Application.getInstance().getPreferences().setValue("general/latest_version_changelog_shown", Application.getInstance().getVersion())
# Do not show the changelog when there is no global container stack
# This implies we are running Cura for the first time.

View file

@ -4,7 +4,6 @@
from UM.Backend.Backend import Backend, BackendState
from UM.Application import Application
from UM.Scene.SceneNode import SceneNode
from UM.Preferences import Preferences
from UM.Signal import Signal
from UM.Logger import Logger
from UM.Message import Message
@ -72,7 +71,7 @@ class CuraEngineBackend(QObject, Backend):
Logger.log("i", "Found CuraEngine at: %s", default_engine_location)
default_engine_location = os.path.abspath(default_engine_location)
Preferences.getInstance().addPreference("backend/location", default_engine_location)
Application.getInstance().getPreferences().addPreference("backend/location", default_engine_location)
# Workaround to disable layer view processing if layer view is not active.
self._layer_view_active = False
@ -121,7 +120,7 @@ class CuraEngineBackend(QObject, Backend):
self._slice_start_time = None
self._is_disabled = False
Preferences.getInstance().addPreference("general/auto_slice", False)
Application.getInstance().getPreferences().addPreference("general/auto_slice", False)
self._use_timer = False
# When you update a setting and other settings get changed through inheritance, many propertyChanged signals are fired.
@ -131,7 +130,7 @@ class CuraEngineBackend(QObject, Backend):
self._change_timer.setSingleShot(True)
self._change_timer.setInterval(500)
self.determineAutoSlicing()
Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
Application.getInstance().getPreferences().preferenceChanged.connect(self._onPreferencesChanged)
self._application.initializationFinished.connect(self.initialize)
@ -170,7 +169,7 @@ class CuraEngineBackend(QObject, Backend):
# \return list of commands and args / parameters.
def getEngineCommand(self):
json_path = Resources.getPath(Resources.DefinitionContainers, "fdmprinter.def.json")
return [Preferences.getInstance().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", json_path, ""]
return [Application.getInstance().getPreferences().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", json_path, ""]
## Emitted when we get a message containing print duration and material amount.
# This also implies the slicing has finished.
@ -408,7 +407,7 @@ class CuraEngineBackend(QObject, Backend):
enable_timer = True
self._is_disabled = False
if not Preferences.getInstance().getValue("general/auto_slice"):
if not Application.getInstance().getPreferences().getValue("general/auto_slice"):
enable_timer = False
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("isBlockSlicing"):

View file

@ -6,7 +6,6 @@ import gc
from UM.Job import Job
from UM.Application import Application
from UM.Mesh.MeshData import MeshData
from UM.Preferences import Preferences
from UM.View.GL.OpenGLContext import OpenGLContext
from UM.Message import Message
@ -199,7 +198,7 @@ class ProcessSlicedLayersJob(Job):
material_color_map[0, :] = color
# We have to scale the colors for compatibility mode
if OpenGLContext.isLegacyOpenGL() or bool(Preferences.getInstance().getValue("view/force_layer_view_compatibility_mode")):
if OpenGLContext.isLegacyOpenGL() or bool(Application.getInstance().getPreferences().getValue("view/force_layer_view_compatibility_mode")):
line_type_brightness = 0.5 # for compatibility mode
else:
line_type_brightness = 1.0

View file

@ -5,8 +5,7 @@ from PyQt5.QtCore import QUrl
from PyQt5.QtGui import QDesktopServices
from UM.Extension import Extension
from UM.Preferences import Preferences
from UM.Logger import Logger
from UM.Application import Application
from UM.i18n import i18nCatalog
from cura.Settings.GlobalStack import GlobalStack
@ -27,12 +26,12 @@ class FirmwareUpdateChecker(Extension):
# Initialize the Preference called `latest_checked_firmware` that stores the last version
# checked for the UM3. In the future if we need to check other printers' firmware
Preferences.getInstance().addPreference("info/latest_checked_firmware", "")
Application.getInstance().getPreferences().addPreference("info/latest_checked_firmware", "")
# Listen to a Signal that indicates a change in the list of printers, just if the user has enabled the
# 'check for updates' option
Preferences.getInstance().addPreference("info/automatic_update_check", True)
if Preferences.getInstance().getValue("info/automatic_update_check"):
Application.getInstance().getPreferences().addPreference("info/automatic_update_check", True)
if Application.getInstance().getPreferences().getValue("info/automatic_update_check"):
ContainerRegistry.getInstance().containerAdded.connect(self._onContainerAdded)
self._download_url = None

View file

@ -1,7 +1,6 @@
# Copyright (c) 2017 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from UM.Preferences import Preferences
from UM.Application import Application
from UM.Message import Message
from UM.Logger import Logger
@ -51,11 +50,11 @@ class FirmwareUpdateCheckerJob(Job):
current_version = reader(current_version_file).readline().rstrip()
# If it is the first time the version is checked, the checked_version is ''
checked_version = Preferences.getInstance().getValue("info/latest_checked_firmware")
checked_version = Application.getInstance().getPreferences().getValue("info/latest_checked_firmware")
# If the checked_version is '', it's because is the first time we check firmware and in this case
# we will not show the notification, but we will store it for the next time
Preferences.getInstance().setValue("info/latest_checked_firmware", current_version)
Application.getInstance().getPreferences().setValue("info/latest_checked_firmware", current_version)
Logger.log("i", "Reading firmware version of %s: checked = %s - latest = %s", machine_name, checked_version, current_version)
# The first time we want to store the current version, the notification will not be shown,

View file

@ -10,7 +10,6 @@ from UM.Math.Vector import Vector
from UM.Message import Message
from cura.Scene.CuraSceneNode import CuraSceneNode
from UM.i18n import i18nCatalog
from UM.Preferences import Preferences
catalog = i18nCatalog("cura")
@ -43,7 +42,7 @@ class FlavorParser:
self._current_layer_thickness = 0.2 # default
self._filament_diameter = 2.85 # default
Preferences.getInstance().addPreference("gcodereader/show_caution", True)
Application.getInstance().getPreferences().addPreference("gcodereader/show_caution", True)
def _clearValues(self):
self._extruder_number = 0
@ -462,7 +461,7 @@ class FlavorParser:
Logger.log("d", "GCode loading finished")
if Preferences.getInstance().getValue("gcodereader/show_caution"):
if Application.getInstance().getPreferences().getValue("gcodereader/show_caution"):
caution_message = Message(catalog.i18nc(
"@info:generic",
"Make sure the g-code is suitable for your printer and printer configuration before sending the file to it. The g-code representation may not be accurate."),

View file

@ -4,7 +4,7 @@
from UM.FileHandler.FileReader import FileReader
from UM.Mesh.MeshReader import MeshReader
from UM.i18n import i18nCatalog
from UM.Preferences import Preferences
from UM.Application import Application
catalog = i18nCatalog("cura")
from . import MarlinFlavorParser, RepRapFlavorParser
@ -22,7 +22,7 @@ class GCodeReader(MeshReader):
self._supported_extensions = [".gcode", ".g"]
self._flavor_reader = None
Preferences.getInstance().addPreference("gcodereader/show_caution", True)
Application.getInstance().getPreferences().addPreference("gcodereader/show_caution", True)
def preReadFromStream(self, stream, *args, **kwargs):
for line in stream.split("\n"):

View file

@ -5,7 +5,6 @@ from UM.Tool import Tool
from UM.Scene.Selection import Selection
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Application import Application
from UM.Preferences import Preferences
from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator
from cura.Settings.ExtruderManager import ExtruderManager
from UM.Settings.SettingInstance import SettingInstance
@ -27,7 +26,7 @@ class PerObjectSettingsTool(Tool):
Selection.selectionChanged.connect(self.propertyChanged)
Preferences.getInstance().preferenceChanged.connect(self._onPreferenceChanged)
Application.getInstance().getPreferences().preferenceChanged.connect(self._onPreferenceChanged)
self._onPreferenceChanged("cura/active_mode")
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerChanged)
@ -106,7 +105,7 @@ class PerObjectSettingsTool(Tool):
def _onPreferenceChanged(self, preference):
if preference == "cura/active_mode":
self._advanced_mode = Preferences.getInstance().getValue(preference) == 1
self._advanced_mode = Application.getInstance().getPreferences().getValue(preference) == 1
self._updateEnabled()
def _onGlobalContainerChanged(self):

View file

@ -16,7 +16,6 @@ from UM.Mesh.MeshBuilder import MeshBuilder
from UM.Message import Message
from UM.Platform import Platform
from UM.PluginRegistry import PluginRegistry
from UM.Preferences import Preferences
from UM.Resources import Resources
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.Selection import Selection
@ -81,30 +80,30 @@ class SimulationView(View):
self._show_travel_moves = False
self._nozzle_node = None
Preferences.getInstance().addPreference("view/top_layer_count", 5)
Preferences.getInstance().addPreference("view/only_show_top_layers", False)
Preferences.getInstance().addPreference("view/force_layer_view_compatibility_mode", False)
Application.getInstance().getPreferences().addPreference("view/top_layer_count", 5)
Application.getInstance().getPreferences().addPreference("view/only_show_top_layers", False)
Application.getInstance().getPreferences().addPreference("view/force_layer_view_compatibility_mode", False)
Preferences.getInstance().addPreference("layerview/layer_view_type", 0)
Preferences.getInstance().addPreference("layerview/extruder_opacities", "")
Application.getInstance().getPreferences().addPreference("layerview/layer_view_type", 0)
Application.getInstance().getPreferences().addPreference("layerview/extruder_opacities", "")
Preferences.getInstance().addPreference("layerview/show_travel_moves", False)
Preferences.getInstance().addPreference("layerview/show_helpers", True)
Preferences.getInstance().addPreference("layerview/show_skin", True)
Preferences.getInstance().addPreference("layerview/show_infill", True)
Application.getInstance().getPreferences().addPreference("layerview/show_travel_moves", False)
Application.getInstance().getPreferences().addPreference("layerview/show_helpers", True)
Application.getInstance().getPreferences().addPreference("layerview/show_skin", True)
Application.getInstance().getPreferences().addPreference("layerview/show_infill", True)
Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
Application.getInstance().getPreferences().preferenceChanged.connect(self._onPreferencesChanged)
self._updateWithPreferences()
self._solid_layers = int(Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Preferences.getInstance().getValue("view/only_show_top_layers"))
self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
self._compatibility_mode = self._evaluateCompatibilityMode()
self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled"),
title = catalog.i18nc("@info:title", "Simulation View"))
def _evaluateCompatibilityMode(self):
return OpenGLContext.isLegacyOpenGL() or bool(Preferences.getInstance().getValue("view/force_layer_view_compatibility_mode"))
return OpenGLContext.isLegacyOpenGL() or bool(Application.getInstance().getPreferences().getValue("view/force_layer_view_compatibility_mode"))
def _resetSettings(self):
self._layer_view_type = 0 # 0 is material color, 1 is color by linetype, 2 is speed, 3 is layer thickness
@ -543,23 +542,23 @@ class SimulationView(View):
self._top_layers_job = None
def _updateWithPreferences(self):
self._solid_layers = int(Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Preferences.getInstance().getValue("view/only_show_top_layers"))
self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
self._compatibility_mode = self._evaluateCompatibilityMode()
self.setSimulationViewType(int(float(Preferences.getInstance().getValue("layerview/layer_view_type"))));
self.setSimulationViewType(int(float(Application.getInstance().getPreferences().getValue("layerview/layer_view_type"))));
for extruder_nr, extruder_opacity in enumerate(Preferences.getInstance().getValue("layerview/extruder_opacities").split("|")):
for extruder_nr, extruder_opacity in enumerate(Application.getInstance().getPreferences().getValue("layerview/extruder_opacities").split("|")):
try:
opacity = float(extruder_opacity)
except ValueError:
opacity = 1.0
self.setExtruderOpacity(extruder_nr, opacity)
self.setShowTravelMoves(bool(Preferences.getInstance().getValue("layerview/show_travel_moves")))
self.setShowHelpers(bool(Preferences.getInstance().getValue("layerview/show_helpers")))
self.setShowSkin(bool(Preferences.getInstance().getValue("layerview/show_skin")))
self.setShowInfill(bool(Preferences.getInstance().getValue("layerview/show_infill")))
self.setShowTravelMoves(bool(Application.getInstance().getPreferences().getValue("layerview/show_travel_moves")))
self.setShowHelpers(bool(Application.getInstance().getPreferences().getValue("layerview/show_helpers")))
self.setShowSkin(bool(Application.getInstance().getPreferences().getValue("layerview/show_skin")))
self.setShowInfill(bool(Application.getInstance().getPreferences().getValue("layerview/show_infill")))
self._startUpdateTopLayers()
self.preferencesChanged.emit()

View file

@ -10,7 +10,6 @@ from PyQt5.QtCore import pyqtSlot, QObject
from UM.Extension import Extension
from UM.Application import Application
from UM.Preferences import Preferences
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Message import Message
from UM.i18n import i18nCatalog
@ -34,13 +33,13 @@ class SliceInfo(QObject, Extension):
QObject.__init__(self, parent)
Extension.__init__(self)
Application.getInstance().getOutputDeviceManager().writeStarted.connect(self._onWriteStarted)
Preferences.getInstance().addPreference("info/send_slice_info", True)
Preferences.getInstance().addPreference("info/asked_send_slice_info", False)
Application.getInstance().getPreferences().addPreference("info/send_slice_info", True)
Application.getInstance().getPreferences().addPreference("info/asked_send_slice_info", False)
self._more_info_dialog = None
self._example_data_content = None
if not Preferences.getInstance().getValue("info/asked_send_slice_info"):
if not Application.getInstance().getPreferences().getValue("info/asked_send_slice_info"):
self.send_slice_info_message = Message(catalog.i18nc("@info", "Cura collects anonymized usage statistics."),
lifetime = 0,
dismissable = False,
@ -62,7 +61,7 @@ class SliceInfo(QObject, Extension):
## Perform action based on user input.
# Note that clicking "Disable" won't actually disable the data sending, but rather take the user to preferences where they can disable it.
def messageActionTriggered(self, message_id, action_id):
Preferences.getInstance().setValue("info/asked_send_slice_info", True)
Application.getInstance().getPreferences().setValue("info/asked_send_slice_info", True)
if action_id == "MoreInfo":
self.showMoreInfoDialog()
self.send_slice_info_message.hide()
@ -88,11 +87,11 @@ class SliceInfo(QObject, Extension):
@pyqtSlot(bool)
def setSendSliceInfo(self, enabled: bool):
Preferences.getInstance().setValue("info/send_slice_info", enabled)
Application.getInstance().getPreferences().setValue("info/send_slice_info", enabled)
def _onWriteStarted(self, output_device):
try:
if not Preferences.getInstance().getValue("info/send_slice_info"):
if not Application.getInstance().getPreferences().getValue("info/send_slice_info"):
Logger.log("d", "'info/send_slice_info' is turned off.")
return # Do nothing, user does not want to send data
@ -107,7 +106,7 @@ class SliceInfo(QObject, Extension):
data["schema_version"] = 0
data["cura_version"] = application.getVersion()
active_mode = Preferences.getInstance().getValue("cura/active_mode")
active_mode = Application.getInstance().getPreferences().getValue("cura/active_mode")
if active_mode == 0:
data["active_mode"] = "recommended"
else:
@ -122,7 +121,7 @@ class SliceInfo(QObject, Extension):
machine_settings_changed_by_user = True
data["machine_settings_changed_by_user"] = machine_settings_changed_by_user
data["language"] = Preferences.getInstance().getValue("general/language")
data["language"] = Application.getInstance().getPreferences().getValue("general/language")
data["os"] = {"type": platform.system(), "version": platform.version()}
data["active_machine"] = {"definition_id": global_stack.definition.getId(),

View file

@ -6,7 +6,6 @@ from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.Selection import Selection
from UM.Resources import Resources
from UM.Application import Application
from UM.Preferences import Preferences
from UM.View.RenderBatch import RenderBatch
from UM.Settings.Validator import ValidatorState
from UM.Math.Color import Color
@ -23,7 +22,7 @@ class SolidView(View):
def __init__(self):
super().__init__()
Preferences.getInstance().addPreference("view/show_overhang", True)
Application.getInstance().getPreferences().addPreference("view/show_overhang", True)
self._enabled_shader = None
self._disabled_shader = None
@ -65,7 +64,7 @@ class SolidView(View):
support_extruder_nr = global_container_stack.getExtruderPositionValueWithDefault("support_extruder_nr")
support_angle_stack = Application.getInstance().getExtruderManager().getExtruderStack(support_extruder_nr)
if support_angle_stack is not None and Preferences.getInstance().getValue("view/show_overhang"):
if support_angle_stack is not None and Application.getInstance().getPreferences().getValue("view/show_overhang"):
angle = support_angle_stack.getProperty("support_angle", "value")
# Make sure the overhang angle is valid before passing it to the shader
# Note: if the overhang angle is set to its default value, it does not need to get validated (validationState = None)

View file

@ -5,7 +5,6 @@ from UM.OutputDevice.OutputDevicePlugin import OutputDevicePlugin
from UM.Logger import Logger
from UM.Application import Application
from UM.Signal import Signal, signalemitter
from UM.Preferences import Preferences
from UM.Version import Version
from . import ClusterUM3OutputDevice, LegacyUM3OutputDevice
@ -54,7 +53,7 @@ class UM3OutputDevicePlugin(OutputDevicePlugin):
self._cluster_api_prefix = "/cluster-api/v" + self._cluster_api_version + "/"
# Get list of manual instances from preferences
self._preferences = Preferences.getInstance()
self._preferences = Application.getInstance().getPreferences()
self._preferences.addPreference("um3networkprinting/manual_instances",
"") # A comma-separated list of ip adresses or hostnames

View file

@ -2,7 +2,6 @@
# Cura is released under the terms of the LGPLv3 or higher.
from UM.Extension import Extension
from UM.Preferences import Preferences
from UM.Application import Application
from UM.PluginRegistry import PluginRegistry
from UM.Logger import Logger
@ -19,10 +18,10 @@ class UserAgreement(QObject, Extension):
self._user_agreement_window = None
self._user_agreement_context = None
Application.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
Preferences.getInstance().addPreference("general/accepted_user_agreement", False)
Application.getInstance().getPreferences().addPreference("general/accepted_user_agreement", False)
def _onEngineCreated(self):
if not Preferences.getInstance().getValue("general/accepted_user_agreement"):
if not Application.getInstance().getPreferences().getValue("general/accepted_user_agreement"):
self.showUserAgreement()
def showUserAgreement(self):
@ -35,11 +34,11 @@ class UserAgreement(QObject, Extension):
def didAgree(self, user_choice):
if user_choice:
Logger.log("i", "User agreed to the user agreement")
Preferences.getInstance().setValue("general/accepted_user_agreement", True)
Application.getInstance().getPreferences().setValue("general/accepted_user_agreement", True)
self._user_agreement_window.hide()
else:
Logger.log("i", "User did NOT agree to the user agreement")
Preferences.getInstance().setValue("general/accepted_user_agreement", False)
Application.getInstance().getPreferences().setValue("general/accepted_user_agreement", False)
CuraApplication.getInstance().quit()
CuraApplication.getInstance().setNeedToShowUserAgreement(False)