# Copyright (c) 2021 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. import os import sys import tempfile import time from typing import cast, TYPE_CHECKING, Optional, Callable, List, Any, Dict import numpy from PyQt5.QtCore import QObject, QTimer, QUrl, pyqtSignal, pyqtProperty, QEvent, Q_ENUMS from PyQt5.QtGui import QColor, QIcon from PyQt5.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType from PyQt5.QtWidgets import QMessageBox import UM.Util import cura.Settings.cura_empty_instance_containers from UM.Application import Application from UM.Decorators import override from UM.FlameProfiler import pyqtSlot from UM.Logger import Logger from UM.Math.AxisAlignedBox import AxisAlignedBox from UM.Math.Matrix import Matrix from UM.Math.Quaternion import Quaternion from UM.Math.Vector import Vector from UM.Mesh.ReadMeshJob import ReadMeshJob from UM.Message import Message from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation from UM.Operations.GroupedOperation import GroupedOperation from UM.Operations.SetTransformOperation import SetTransformOperation from UM.Platform import Platform from UM.PluginError import PluginNotFoundError from UM.Preferences import Preferences from UM.Qt.Bindings.FileProviderModel import FileProviderModel from UM.Qt.QtApplication import QtApplication # The class we're inheriting from. from UM.Resources import Resources from UM.Scene.Camera import Camera from UM.Scene.GroupDecorator import GroupDecorator from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator from UM.Scene.SceneNode import SceneNode from UM.Scene.SceneNodeSettings import SceneNodeSettings from UM.Scene.Selection import Selection from UM.Scene.ToolHandle import ToolHandle from UM.Settings.ContainerRegistry import ContainerRegistry from UM.Settings.InstanceContainer import InstanceContainer from UM.Settings.SettingDefinition import SettingDefinition, DefinitionPropertyType from UM.Settings.SettingFunction import SettingFunction from UM.Settings.Validator import Validator from UM.View.SelectionPass import SelectionPass # For typing. from UM.Workspace.WorkspaceReader import WorkspaceReader from UM.i18n import i18nCatalog from cura import ApplicationMetadata from cura.API import CuraAPI from cura.API.Account import Account from cura.Arranging.Arrange import Arrange from cura.Arranging.ArrangeObjectsAllBuildPlatesJob import ArrangeObjectsAllBuildPlatesJob from cura.Arranging.ArrangeObjectsJob import ArrangeObjectsJob from cura.Arranging.Nest2DArrange import arrange from cura.Machines.MachineErrorChecker import MachineErrorChecker from cura.Machines.Models.BuildPlateModel import BuildPlateModel from cura.Machines.Models.CustomQualityProfilesDropDownMenuModel import CustomQualityProfilesDropDownMenuModel from cura.Machines.Models.DiscoveredPrintersModel import DiscoveredPrintersModel from cura.Machines.Models.DiscoveredCloudPrintersModel import DiscoveredCloudPrintersModel from cura.Machines.Models.ExtrudersModel import ExtrudersModel from cura.Machines.Models.FavoriteMaterialsModel import FavoriteMaterialsModel from cura.Machines.Models.FirstStartMachineActionsModel import FirstStartMachineActionsModel from cura.Machines.Models.GenericMaterialsModel import GenericMaterialsModel from cura.Machines.Models.GlobalStacksModel import GlobalStacksModel from cura.Machines.Models.IntentCategoryModel import IntentCategoryModel from cura.Machines.Models.IntentModel import IntentModel from cura.Machines.Models.MaterialBrandsModel import MaterialBrandsModel from cura.Machines.Models.MaterialManagementModel import MaterialManagementModel from cura.Machines.Models.MultiBuildPlateModel import MultiBuildPlateModel from cura.Machines.Models.NozzleModel import NozzleModel from cura.Machines.Models.QualityManagementModel import QualityManagementModel from cura.Machines.Models.QualityProfilesDropDownMenuModel import QualityProfilesDropDownMenuModel from cura.Machines.Models.QualitySettingsModel import QualitySettingsModel from cura.Machines.Models.SettingVisibilityPresetsModel import SettingVisibilityPresetsModel from cura.Machines.Models.UserChangesModel import UserChangesModel from cura.Operations.SetParentOperation import SetParentOperation from cura.PrinterOutput.NetworkMJPGImage import NetworkMJPGImage from cura.PrinterOutput.PrinterOutputDevice import PrinterOutputDevice from cura.Scene import ZOffsetDecorator from cura.Scene.BlockSlicingDecorator import BlockSlicingDecorator from cura.Scene.BuildPlateDecorator import BuildPlateDecorator from cura.Scene.ConvexHullDecorator import ConvexHullDecorator from cura.Scene.CuraSceneController import CuraSceneController from cura.Scene.CuraSceneNode import CuraSceneNode from cura.Scene.SliceableObjectDecorator import SliceableObjectDecorator from cura.Settings.ContainerManager import ContainerManager from cura.Settings.CuraContainerRegistry import CuraContainerRegistry from cura.Settings.CuraFormulaFunctions import CuraFormulaFunctions from cura.Settings.ExtruderManager import ExtruderManager from cura.Settings.ExtruderStack import ExtruderStack from cura.Settings.GlobalStack import GlobalStack from cura.Settings.IntentManager import IntentManager from cura.Settings.MachineManager import MachineManager from cura.Settings.MachineNameValidator import MachineNameValidator from cura.Settings.MaterialSettingsVisibilityHandler import MaterialSettingsVisibilityHandler from cura.Settings.SettingInheritanceManager import SettingInheritanceManager from cura.Settings.SidebarCustomMenuItemsModel import SidebarCustomMenuItemsModel from cura.Settings.SimpleModeSettingsManager import SimpleModeSettingsManager from cura.TaskManagement.OnExitCallbackManager import OnExitCallbackManager from cura.UI import CuraSplashScreen, MachineActionManager, PrintInformation from cura.UI.AddPrinterPagesModel import AddPrinterPagesModel from cura.UI.MachineSettingsManager import MachineSettingsManager from cura.UI.ObjectsModel import ObjectsModel from cura.UI.RecommendedMode import RecommendedMode from cura.UI.TextManager import TextManager from cura.UI.WelcomePagesModel import WelcomePagesModel from cura.UI.WhatsNewPagesModel import WhatsNewPagesModel from cura.UltimakerCloud import UltimakerCloudConstants from cura.Utils.NetworkingUtil import NetworkingUtil from . import BuildVolume from . import CameraAnimation from . import CuraActions from . import PlatformPhysics from . import PrintJobPreviewImageProvider from .AutoSave import AutoSave from .SingleInstance import SingleInstance if TYPE_CHECKING: from UM.Settings.EmptyInstanceContainer import EmptyInstanceContainer numpy.seterr(all = "ignore") class CuraApplication(QtApplication): # SettingVersion represents the set of settings available in the machine/extruder definitions. # You need to make sure that this version number needs to be increased if there is any non-backwards-compatible # changes of the settings. SettingVersion = 16 Created = False class ResourceTypes: QmlFiles = Resources.UserType + 1 Firmware = Resources.UserType + 2 QualityInstanceContainer = Resources.UserType + 3 QualityChangesInstanceContainer = Resources.UserType + 4 MaterialInstanceContainer = Resources.UserType + 5 VariantInstanceContainer = Resources.UserType + 6 UserInstanceContainer = Resources.UserType + 7 MachineStack = Resources.UserType + 8 ExtruderStack = Resources.UserType + 9 DefinitionChangesContainer = Resources.UserType + 10 SettingVisibilityPreset = Resources.UserType + 11 IntentInstanceContainer = Resources.UserType + 12 Q_ENUMS(ResourceTypes) def __init__(self, *args, **kwargs): super().__init__(name = ApplicationMetadata.CuraAppName, app_display_name = ApplicationMetadata.CuraAppDisplayName, version = ApplicationMetadata.CuraVersion, api_version = ApplicationMetadata.CuraSDKVersion, build_type = ApplicationMetadata.CuraBuildType, is_debug_mode = ApplicationMetadata.CuraDebugMode, tray_icon_name = "cura-icon-32.png", **kwargs) self.default_theme = "cura-light" self.change_log_url = "https://ultimaker.com/ultimaker-cura-latest-features" self._boot_loading_time = time.time() self._on_exit_callback_manager = OnExitCallbackManager(self) # Variables set from CLI self._files_to_open = [] self._use_single_instance = False self._single_instance = None self._cura_formula_functions = None # type: Optional[CuraFormulaFunctions] self._machine_action_manager = None # type: Optional[MachineActionManager.MachineActionManager] self.empty_container = None # type: EmptyInstanceContainer self.empty_definition_changes_container = None # type: EmptyInstanceContainer self.empty_variant_container = None # type: EmptyInstanceContainer self.empty_intent_container = None # type: EmptyInstanceContainer self.empty_material_container = None # type: EmptyInstanceContainer self.empty_quality_container = None # type: EmptyInstanceContainer self.empty_quality_changes_container = None # type: EmptyInstanceContainer self._material_manager = None self._machine_manager = None self._extruder_manager = None self._container_manager = None self._object_manager = None self._extruders_model = None self._extruders_model_with_optional = None self._build_plate_model = None self._multi_build_plate_model = None self._setting_visibility_presets_model = None self._setting_inheritance_manager = None self._simple_mode_settings_manager = None self._cura_scene_controller = None self._machine_error_checker = None self._machine_settings_manager = MachineSettingsManager(self, parent = self) self._material_management_model = None self._quality_management_model = None self._discovered_printer_model = DiscoveredPrintersModel(self, parent = self) self._discovered_cloud_printers_model = DiscoveredCloudPrintersModel(self, parent = self) self._first_start_machine_actions_model = None self._welcome_pages_model = WelcomePagesModel(self, parent = self) self._add_printer_pages_model = AddPrinterPagesModel(self, parent = self) self._add_printer_pages_model_without_cancel = AddPrinterPagesModel(self, parent = self) self._whats_new_pages_model = WhatsNewPagesModel(self, parent = self) self._text_manager = TextManager(parent = self) self._quality_profile_drop_down_menu_model = None self._custom_quality_profile_drop_down_menu_model = None self._cura_API = CuraAPI(self) self._physics = None self._volume = None self._output_devices = {} self._print_information = None self._previous_active_tool = None self._platform_activity = False self._scene_bounding_box = AxisAlignedBox.Null self._center_after_select = False self._camera_animation = None self._cura_actions = None self.started = False self._message_box_callback = None self._message_box_callback_arguments = [] self._i18n_catalog = None self._currently_loading_files = [] self._non_sliceable_extensions = [] self._additional_components = {} # Components to add to certain areas in the interface self._open_file_queue = [] # A list of files to open (after the application has started) self._update_platform_activity_timer = None self._sidebar_custom_menu_items = [] # type: list # Keeps list of custom menu items for the side bar self._plugins_loaded = False # Backups self._auto_save = None # type: Optional[AutoSave] self._enable_save = True self._container_registry_class = CuraContainerRegistry # Redefined here in order to please the typing. self._container_registry = None # type: CuraContainerRegistry from cura.CuraPackageManager import CuraPackageManager self._package_manager_class = CuraPackageManager @pyqtProperty(str, constant=True) def ultimakerCloudApiRootUrl(self) -> str: return UltimakerCloudConstants.CuraCloudAPIRoot @pyqtProperty(str, constant = True) def ultimakerCloudAccountRootUrl(self) -> str: return UltimakerCloudConstants.CuraCloudAccountAPIRoot @pyqtProperty(str, constant=True) def ultimakerDigitalFactoryUrl(self) -> str: return UltimakerCloudConstants.CuraDigitalFactoryURL def addCommandLineOptions(self): """Adds command line options to the command line parser. This should be called after the application is created and before the pre-start. """ super().addCommandLineOptions() self._cli_parser.add_argument("--help", "-h", action = "store_true", default = False, help = "Show this help message and exit.") self._cli_parser.add_argument("--single-instance", dest = "single_instance", action = "store_true", default = False) # >> For debugging # Trigger an early crash, i.e. a crash that happens before the application enters its event loop. self._cli_parser.add_argument("--trigger-early-crash", dest = "trigger_early_crash", action = "store_true", default = False, help = "FOR TESTING ONLY. Trigger an early crash to show the crash dialog.") self._cli_parser.add_argument("file", nargs = "*", help = "Files to load after starting the application.") def getContainerRegistry(self) -> "CuraContainerRegistry": return self._container_registry def parseCliOptions(self): super().parseCliOptions() if self._cli_args.help: self._cli_parser.print_help() sys.exit(0) self._use_single_instance = self._cli_args.single_instance # FOR TESTING ONLY if self._cli_args.trigger_early_crash: assert not "This crash is triggered by the trigger_early_crash command line argument." for filename in self._cli_args.file: self._files_to_open.append(os.path.abspath(filename)) def initialize(self) -> None: self.__addExpectedResourceDirsAndSearchPaths() # Must be added before init of super super().initialize() self._preferences.addPreference("cura/single_instance", False) self._use_single_instance = self._preferences.getValue("cura/single_instance") self.__sendCommandToSingleInstance() self._initializeSettingDefinitions() self._initializeSettingFunctions() self.__addAllResourcesAndContainerResources() self.__addAllEmptyContainers() self.__setLatestResouceVersionsForVersionUpgrade() self._machine_action_manager = MachineActionManager.MachineActionManager(self) self._machine_action_manager.initialize() def __sendCommandToSingleInstance(self): self._single_instance = SingleInstance(self, self._files_to_open) # If we use single instance, try to connect to the single instance server, send commands, and then exit. # If we cannot find an existing single instance server, this is the only instance, so just keep going. if self._use_single_instance: if self._single_instance.startClient(): Logger.log("i", "Single instance commands were sent, exiting") sys.exit(0) def __addExpectedResourceDirsAndSearchPaths(self): """Adds expected directory names and search paths for Resources.""" # this list of dir names will be used by UM to detect an old cura directory for dir_name in ["extruders", "machine_instances", "materials", "plugins", "quality", "quality_changes", "user", "variants", "intent"]: Resources.addExpectedDirNameInData(dir_name) app_root = os.path.abspath(os.path.join(os.path.dirname(sys.executable))) Resources.addSearchPath(os.path.join(app_root, "share", "cura", "resources")) Resources.addSearchPath(os.path.join(self._app_install_dir, "share", "cura", "resources")) if not hasattr(sys, "frozen"): resource_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), "..", "resources") Resources.addSearchPath(resource_path) @classmethod def _initializeSettingDefinitions(cls): # Need to do this before ContainerRegistry tries to load the machines SettingDefinition.addSupportedProperty("settable_per_mesh", DefinitionPropertyType.Any, default=True, read_only=True) SettingDefinition.addSupportedProperty("settable_per_extruder", DefinitionPropertyType.Any, default=True, read_only=True) # this setting can be changed for each group in one-at-a-time mode SettingDefinition.addSupportedProperty("settable_per_meshgroup", DefinitionPropertyType.Any, default=True, read_only=True) SettingDefinition.addSupportedProperty("settable_globally", DefinitionPropertyType.Any, default=True, read_only=True) # From which stack the setting would inherit if not defined per object (handled in the engine) # AND for settings which are not settable_per_mesh: # which extruder is the only extruder this setting is obtained from SettingDefinition.addSupportedProperty("limit_to_extruder", DefinitionPropertyType.Function, default="-1", depends_on="value") # For settings which are not settable_per_mesh and not settable_per_extruder: # A function which determines the glabel/meshgroup value by looking at the values of the setting in all (used) extruders SettingDefinition.addSupportedProperty("resolve", DefinitionPropertyType.Function, default=None, depends_on="value") SettingDefinition.addSettingType("extruder", None, str, Validator) SettingDefinition.addSettingType("optional_extruder", None, str, None) SettingDefinition.addSettingType("[int]", None, str, None) def _initializeSettingFunctions(self): """Adds custom property types, settings types, and extra operators (functions). Whom need to be registered in SettingDefinition and SettingFunction. """ self._cura_formula_functions = CuraFormulaFunctions(self) SettingFunction.registerOperator("extruderValue", self._cura_formula_functions.getValueInExtruder) SettingFunction.registerOperator("extruderValues", self._cura_formula_functions.getValuesInAllExtruders) SettingFunction.registerOperator("resolveOrValue", self._cura_formula_functions.getResolveOrValue) SettingFunction.registerOperator("defaultExtruderPosition", self._cura_formula_functions.getDefaultExtruderPosition) SettingFunction.registerOperator("valueFromContainer", self._cura_formula_functions.getValueFromContainerAtIndex) SettingFunction.registerOperator("extruderValueFromContainer", self._cura_formula_functions.getValueFromContainerAtIndexInExtruder) def __addAllResourcesAndContainerResources(self) -> None: """Adds all resources and container related resources.""" Resources.addStorageType(self.ResourceTypes.QualityInstanceContainer, "quality") Resources.addStorageType(self.ResourceTypes.QualityChangesInstanceContainer, "quality_changes") Resources.addStorageType(self.ResourceTypes.VariantInstanceContainer, "variants") Resources.addStorageType(self.ResourceTypes.MaterialInstanceContainer, "materials") Resources.addStorageType(self.ResourceTypes.UserInstanceContainer, "user") Resources.addStorageType(self.ResourceTypes.ExtruderStack, "extruders") Resources.addStorageType(self.ResourceTypes.MachineStack, "machine_instances") Resources.addStorageType(self.ResourceTypes.DefinitionChangesContainer, "definition_changes") Resources.addStorageType(self.ResourceTypes.SettingVisibilityPreset, "setting_visibility") Resources.addStorageType(self.ResourceTypes.IntentInstanceContainer, "intent") self._container_registry.addResourceType(self.ResourceTypes.QualityInstanceContainer, "quality") self._container_registry.addResourceType(self.ResourceTypes.QualityChangesInstanceContainer, "quality_changes") self._container_registry.addResourceType(self.ResourceTypes.VariantInstanceContainer, "variant") self._container_registry.addResourceType(self.ResourceTypes.MaterialInstanceContainer, "material") self._container_registry.addResourceType(self.ResourceTypes.UserInstanceContainer, "user") self._container_registry.addResourceType(self.ResourceTypes.ExtruderStack, "extruder_train") self._container_registry.addResourceType(self.ResourceTypes.MachineStack, "machine") self._container_registry.addResourceType(self.ResourceTypes.DefinitionChangesContainer, "definition_changes") self._container_registry.addResourceType(self.ResourceTypes.IntentInstanceContainer, "intent") Resources.addType(self.ResourceTypes.QmlFiles, "qml") Resources.addType(self.ResourceTypes.Firmware, "firmware") def __addAllEmptyContainers(self) -> None: """Adds all empty containers.""" # Add empty variant, material and quality containers. # Since they are empty, they should never be serialized and instead just programmatically created. # We need them to simplify the switching between materials. self.empty_container = cura.Settings.cura_empty_instance_containers.empty_container self._container_registry.addContainer( cura.Settings.cura_empty_instance_containers.empty_definition_changes_container) self.empty_definition_changes_container = cura.Settings.cura_empty_instance_containers.empty_definition_changes_container self._container_registry.addContainer(cura.Settings.cura_empty_instance_containers.empty_variant_container) self.empty_variant_container = cura.Settings.cura_empty_instance_containers.empty_variant_container self._container_registry.addContainer(cura.Settings.cura_empty_instance_containers.empty_intent_container) self.empty_intent_container = cura.Settings.cura_empty_instance_containers.empty_intent_container self._container_registry.addContainer(cura.Settings.cura_empty_instance_containers.empty_material_container) self.empty_material_container = cura.Settings.cura_empty_instance_containers.empty_material_container self._container_registry.addContainer(cura.Settings.cura_empty_instance_containers.empty_quality_container) self.empty_quality_container = cura.Settings.cura_empty_instance_containers.empty_quality_container self._container_registry.addContainer(cura.Settings.cura_empty_instance_containers.empty_quality_changes_container) self.empty_quality_changes_container = cura.Settings.cura_empty_instance_containers.empty_quality_changes_container def __setLatestResouceVersionsForVersionUpgrade(self): """Initializes the version upgrade manager with by providing the paths for each resource type and the latest versions. """ self._version_upgrade_manager.setCurrentVersions( { ("quality", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.QualityInstanceContainer, "application/x-uranium-instancecontainer"), ("quality_changes", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.QualityChangesInstanceContainer, "application/x-uranium-instancecontainer"), ("intent", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.IntentInstanceContainer, "application/x-uranium-instancecontainer"), ("machine_stack", GlobalStack.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.MachineStack, "application/x-cura-globalstack"), ("extruder_train", ExtruderStack.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.ExtruderStack, "application/x-cura-extruderstack"), ("preferences", Preferences.Version * 1000000 + self.SettingVersion): (Resources.Preferences, "application/x-uranium-preferences"), ("user", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.UserInstanceContainer, "application/x-uranium-instancecontainer"), ("definition_changes", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.DefinitionChangesContainer, "application/x-uranium-instancecontainer"), ("variant", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.VariantInstanceContainer, "application/x-uranium-instancecontainer"), ("setting_visibility", SettingVisibilityPresetsModel.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.SettingVisibilityPreset, "application/x-uranium-preferences"), } ) def startSplashWindowPhase(self) -> None: """Runs preparations that needs to be done before the starting process.""" super().startSplashWindowPhase() if not self.getIsHeadLess(): try: self.setWindowIcon(QIcon(Resources.getPath(Resources.Images, "cura-icon.png"))) except FileNotFoundError: Logger.log("w", "Unable to find the window icon.") self.setRequiredPlugins([ # Misc.: "ConsoleLogger", #You want to be able to read the log if something goes wrong. "CuraEngineBackend", #Cura is useless without this one since you can't slice. "FileLogger", #You want to be able to read the log if something goes wrong. "XmlMaterialProfile", #Cura crashes without this one. "Toolbox", #This contains the interface to enable/disable plug-ins, so if you disable it you can't enable it back. "PrepareStage", #Cura is useless without this one since you can't load models. "PreviewStage", #This shows the list of the plugin views that are installed in Cura. "MonitorStage", #Major part of Cura's functionality. "LocalFileOutputDevice", #Major part of Cura's functionality. "LocalContainerProvider", #Cura is useless without any profiles or setting definitions. # Views: "SimpleView", #Dependency of SolidView. "SolidView", #Displays models. Cura is useless without it. # Readers & Writers: "GCodeWriter", #Cura is useless if it can't write its output. "STLReader", #Most common model format, so disabling this makes Cura 90% useless. "3MFWriter", #Required for writing project files. # Tools: "CameraTool", #Needed to see the scene. Cura is useless without it. "SelectionTool", #Dependency of the rest of the tools. "TranslateTool", #You'll need this for almost every print. ]) self._i18n_catalog = i18nCatalog("cura") self._update_platform_activity_timer = QTimer() self._update_platform_activity_timer.setInterval(500) self._update_platform_activity_timer.setSingleShot(True) self._update_platform_activity_timer.timeout.connect(self.updatePlatformActivity) self.getController().getScene().sceneChanged.connect(self.updatePlatformActivityDelayed) self.getController().toolOperationStopped.connect(self._onToolOperationStopped) self.getController().contextMenuRequested.connect(self._onContextMenuRequested) self.getCuraSceneController().activeBuildPlateChanged.connect(self.updatePlatformActivityDelayed) self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Loading machines...")) self._container_registry.allMetadataLoaded.connect(ContainerRegistry.getInstance) with self._container_registry.lockFile(): self._container_registry.loadAllMetadata() self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Setting up preferences...")) # Set the setting version for Preferences 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. preferences.addPreference("cura/active_mode", "simple") preferences.addPreference("cura/categories_expanded", "") preferences.addPreference("cura/jobname_prefix", True) preferences.addPreference("cura/select_models_on_load", False) preferences.addPreference("view/center_on_select", False) preferences.addPreference("mesh/scale_to_fit", False) preferences.addPreference("mesh/scale_tiny_meshes", True) preferences.addPreference("cura/dialog_on_project_save", True) preferences.addPreference("cura/asked_dialog_on_project_save", False) preferences.addPreference("cura/choice_on_profile_override", "always_ask") preferences.addPreference("cura/choice_on_open_project", "always_ask") preferences.addPreference("cura/use_multi_build_plate", False) preferences.addPreference("cura/show_list_of_objects", False) preferences.addPreference("view/settings_list_height", 400) preferences.addPreference("view/settings_visible", False) preferences.addPreference("view/settings_xpos", 0) preferences.addPreference("view/settings_ypos", 56) preferences.addPreference("view/colorscheme_xpos", 0) preferences.addPreference("view/colorscheme_ypos", 56) preferences.addPreference("cura/currency", "€") preferences.addPreference("cura/material_settings", "{}") preferences.addPreference("view/invert_zoom", False) preferences.addPreference("view/filter_current_build_plate", False) preferences.addPreference("cura/sidebar_collapsed", False) preferences.addPreference("cura/favorite_materials", "") preferences.addPreference("cura/expanded_brands", "") preferences.addPreference("cura/expanded_types", "") preferences.addPreference("general/accepted_user_agreement", False) for key in [ "dialog_load_path", # dialog_save_path is in LocalFileOutputDevicePlugin "dialog_profile_path", "dialog_material_path"]: preferences.addPreference("local_file/%s" % key, os.path.expanduser("~/")) preferences.setDefault("local_file/last_used_type", "text/x-gcode") self.applicationShuttingDown.connect(self.saveSettings) self.engineCreatedSignal.connect(self._onEngineCreated) self.getCuraSceneController().setActiveBuildPlate(0) # Initialize CuraApplication.Created = True def _onEngineCreated(self): self._qml_engine.addImageProvider("print_job_preview", PrintJobPreviewImageProvider.PrintJobPreviewImageProvider()) @pyqtProperty(bool) def needToShowUserAgreement(self) -> bool: return not UM.Util.parseBool(self.getPreferences().getValue("general/accepted_user_agreement")) @pyqtSlot(bool) def setNeedToShowUserAgreement(self, set_value: bool = True) -> None: self.getPreferences().setValue("general/accepted_user_agreement", str(not set_value)) @pyqtSlot(str, str) def writeToLog(self, severity: str, message: str) -> None: Logger.log(severity, message) # DO NOT call this function to close the application, use checkAndExitApplication() instead which will perform # pre-exit checks such as checking for in-progress USB printing, etc. # Except for the 'Decline and close' in the 'User Agreement'-step in the Welcome-pages, that should be a hard exit. @pyqtSlot() def closeApplication(self) -> None: Logger.log("i", "Close application") # Workaround: Before closing the window, remove the global stack. # This is necessary because as the main window gets closed, hundreds of QML elements get updated which often # request the global stack. However as the Qt-side of the Machine Manager is being dismantled, the conversion of # the Global Stack to a QObject fails. # If instead we first take down the global stack, PyQt will just convert `None` to `null` which succeeds, and # the QML code then gets `null` as the global stack and can deal with that as it deems fit. self.getMachineManager().setActiveMachine(None) main_window = self.getMainWindow() if main_window is not None: main_window.close() else: self.exit(0) # This function first performs all upon-exit checks such as USB printing that is in progress. # Use this to close the application. @pyqtSlot() def checkAndExitApplication(self) -> None: self._on_exit_callback_manager.resetCurrentState() self._on_exit_callback_manager.triggerNextCallback() @pyqtSlot(result = bool) def getIsAllChecksPassed(self) -> bool: return self._on_exit_callback_manager.getIsAllChecksPassed() def getOnExitCallbackManager(self) -> "OnExitCallbackManager": return self._on_exit_callback_manager def triggerNextExitCheck(self) -> None: self._on_exit_callback_manager.triggerNextCallback() showConfirmExitDialog = pyqtSignal(str, arguments = ["message"]) def setConfirmExitDialogCallback(self, callback: Callable) -> None: self._confirm_exit_dialog_callback = callback @pyqtSlot(bool) def callConfirmExitDialogCallback(self, yes_or_no: bool) -> None: self._confirm_exit_dialog_callback(yes_or_no) showPreferencesWindow = pyqtSignal() """Signal to connect preferences action in QML""" @pyqtSlot() def showPreferences(self) -> None: """Show the preferences window""" self.showPreferencesWindow.emit() # This is called by drag-and-dropping curapackage files. @pyqtSlot(QUrl) def installPackageViaDragAndDrop(self, file_url: str) -> Optional[str]: filename = QUrl(file_url).toLocalFile() return self._package_manager.installPackage(filename) @override(Application) def getGlobalContainerStack(self) -> Optional["GlobalStack"]: return self._global_container_stack @override(Application) def setGlobalContainerStack(self, stack: Optional["GlobalStack"]) -> None: self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Initializing Active Machine...")) super().setGlobalContainerStack(stack) showMessageBox = pyqtSignal(str,str, str, str, int, int, arguments = ["title", "text", "informativeText", "detailedText","buttons", "icon"]) """A reusable dialogbox""" def messageBox(self, title, text, informativeText = "", detailedText = "", buttons = QMessageBox.Ok, icon = QMessageBox.NoIcon, callback = None, callback_arguments = [] ): self._message_box_callback = callback self._message_box_callback_arguments = callback_arguments self.showMessageBox.emit(title, text, informativeText, detailedText, buttons, icon) showDiscardOrKeepProfileChanges = pyqtSignal() def discardOrKeepProfileChanges(self) -> bool: has_user_interaction = False choice = self.getPreferences().getValue("cura/choice_on_profile_override") if choice == "always_discard": # don't show dialog and DISCARD the profile self.discardOrKeepProfileChangesClosed("discard") elif choice == "always_keep": # don't show dialog and KEEP the profile self.discardOrKeepProfileChangesClosed("keep") elif not self._is_headless: # ALWAYS ask whether to keep or discard the profile self.showDiscardOrKeepProfileChanges.emit() has_user_interaction = True return has_user_interaction @pyqtSlot(str) def discardOrKeepProfileChangesClosed(self, option: str) -> None: global_stack = self.getGlobalContainerStack() if option == "discard": for extruder in global_stack.extruderList: extruder.userChanges.clear() global_stack.userChanges.clear() # if the user decided to keep settings then the user settings should be re-calculated and validated for errors # before slicing. To ensure that slicer uses right settings values elif option == "keep": for extruder in global_stack.extruderList: extruder.userChanges.update() global_stack.userChanges.update() @pyqtSlot(int) def messageBoxClosed(self, button): if self._message_box_callback: self._message_box_callback(button, *self._message_box_callback_arguments) self._message_box_callback = None self._message_box_callback_arguments = [] def enableSave(self, enable: bool): self._enable_save = enable # Cura has multiple locations where instance containers need to be saved, so we need to handle this differently. def saveSettings(self) -> None: if not self.started or not self._enable_save: # Do not do saving during application start or when data should not be saved on quit. return ContainerRegistry.getInstance().saveDirtyContainers() self.savePreferences() def saveStack(self, stack): if not self._enable_save: return ContainerRegistry.getInstance().saveContainer(stack) @pyqtSlot(str, result = QUrl) def getDefaultPath(self, key): default_path = self.getPreferences().getValue("local_file/%s" % key) return QUrl.fromLocalFile(default_path) @pyqtSlot(str, str) def setDefaultPath(self, key, default_path): self.getPreferences().setValue("local_file/%s" % key, QUrl(default_path).toLocalFile()) def _loadPlugins(self) -> None: """Handle loading of all plugin types (and the backend explicitly) :py:class:`Uranium.UM.PluginRegistry` """ self._plugin_registry.setCheckIfTrusted(ApplicationMetadata.IsEnterpriseVersion) self._plugin_registry.addType("profile_reader", self._addProfileReader) self._plugin_registry.addType("profile_writer", self._addProfileWriter) if Platform.isLinux(): lib_suffixes = {"", "64", "32", "x32"} # A few common ones on different distributions. else: lib_suffixes = {""} for suffix in lib_suffixes: self._plugin_registry.addPluginLocation(os.path.join(QtApplication.getInstallPrefix(), "lib" + suffix, "cura")) if not hasattr(sys, "frozen"): self._plugin_registry.addPluginLocation(os.path.join(os.path.abspath(os.path.dirname(__file__)), "..", "plugins")) self._plugin_registry.preloaded_plugins.append("ConsoleLogger") self._plugin_registry.loadPlugins() if self.getBackend() is None: raise RuntimeError("Could not load the backend plugin!") self._plugins_loaded = True def _setLoadingHint(self, hint: str): """Set a short, user-friendly hint about current loading status. The way this message is displayed depends on application state """ if self.started: Logger.info(hint) else: self.showSplashMessage(hint) def run(self): super().run() Logger.log("i", "Initializing machine error checker") self._machine_error_checker = MachineErrorChecker(self) self._machine_error_checker.initialize() self.processEvents() Logger.log("i", "Initializing machine manager") self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Initializing machine manager...")) self.getMachineManager() self.processEvents() Logger.log("i", "Initializing container manager") self._container_manager = ContainerManager(self) self.processEvents() # Check if we should run as single instance or not. If so, set up a local socket server which listener which # coordinates multiple Cura instances and accepts commands. if self._use_single_instance: self.__setUpSingleInstanceServer() # Setup scene and build volume self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Initializing build volume...")) root = self.getController().getScene().getRoot() self._volume = BuildVolume.BuildVolume(self, root) # Ensure that the old style arranger still works. Arrange.build_volume = self._volume # initialize info objects self._print_information = PrintInformation.PrintInformation(self) self._cura_actions = CuraActions.CuraActions(self) self.processEvents() # Initialize setting visibility presets model. self._setting_visibility_presets_model = SettingVisibilityPresetsModel(self.getPreferences(), parent = self) # Initialize Cura API self._cura_API.initialize() self.processEvents() self._output_device_manager.start() self._welcome_pages_model.initialize() self._add_printer_pages_model.initialize() self._add_printer_pages_model_without_cancel.initialize(cancellable = False) self._whats_new_pages_model.initialize() # Initialize the FileProviderModel self._file_provider_model.initialize(self._onFileProviderEnabledChanged) # Detect in which mode to run and execute that mode if self._is_headless: self.runWithoutGUI() else: self.runWithGUI() self.started = True self.initializationFinished.emit() Logger.log("d", "Booting Cura took %s seconds", time.time() - self._boot_loading_time) # For now use a timer to postpone some things that need to be done after the application and GUI are # initialized, for example opening files because they may show dialogs which can be closed due to incomplete # GUI initialization. self._post_start_timer = QTimer(self) self._post_start_timer.setInterval(1000) self._post_start_timer.setSingleShot(True) self._post_start_timer.timeout.connect(self._onPostStart) self._post_start_timer.start() self._auto_save = AutoSave(self) self._auto_save.initialize() self.exec_() def __setUpSingleInstanceServer(self): if self._use_single_instance: self._single_instance.startServer() def _onPostStart(self): for file_name in self._files_to_open: self.callLater(self._openFile, file_name) for file_name in self._open_file_queue: # Open all the files that were queued up while plug-ins were loading. self.callLater(self._openFile, file_name) initializationFinished = pyqtSignal() showAddPrintersUncancellableDialog = pyqtSignal() # Used to show the add printers dialog with a greyed background def runWithoutGUI(self): """Run Cura without GUI elements and interaction (server mode).""" self.closeSplash() def runWithGUI(self): """Run Cura with GUI (desktop mode).""" self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Setting up scene...")) controller = self.getController() t = controller.getTool("TranslateTool") if t: t.setEnabledAxis([ToolHandle.XAxis, ToolHandle.YAxis, ToolHandle.ZAxis]) Selection.selectionChanged.connect(self.onSelectionChanged) # Set default background color for scene self.getRenderer().setBackgroundColor(QColor(245, 245, 245)) self.processEvents() # Initialize platform physics self._physics = PlatformPhysics.PlatformPhysics(controller, self._volume) # Initialize camera root = controller.getScene().getRoot() camera = Camera("3d", root) diagonal = self.getBuildVolume().getDiagonalSize() if diagonal < 1: #No printer added yet. Set a default camera distance for normal-sized printers. diagonal = 375 camera.setPosition(Vector(-80, 180, 700) * diagonal / 375) camera.lookAt(Vector(0, 0, 0)) controller.getScene().setActiveCamera("3d") # Initialize camera tool camera_tool = controller.getTool("CameraTool") if camera_tool: camera_tool.setOrigin(Vector(0, 30, 0)) camera_tool.setZoomRange(0.1, 2000) # Initialize camera animations self._camera_animation = CameraAnimation.CameraAnimation() self._camera_animation.setCameraTool(self.getController().getTool("CameraTool")) self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Loading interface...")) # Initialize QML engine self.setMainQml(Resources.getPath(self.ResourceTypes.QmlFiles, "Cura.qml")) self._qml_import_paths.append(Resources.getPath(self.ResourceTypes.QmlFiles)) self._setLoadingHint(self._i18n_catalog.i18nc("@info:progress", "Initializing engine...")) self.initializeEngine() # Initialize UI state controller.setActiveStage("PrepareStage") controller.setActiveView("SolidView") controller.setCameraTool("CameraTool") controller.setSelectionTool("SelectionTool") # Hide the splash screen self.closeSplash() @pyqtSlot(result = QObject) def getDiscoveredPrintersModel(self, *args) -> "DiscoveredPrintersModel": return self._discovered_printer_model @pyqtSlot(result=QObject) def getDiscoveredCloudPrintersModel(self, *args) -> "DiscoveredCloudPrintersModel": return self._discovered_cloud_printers_model @pyqtSlot(result = QObject) def getFirstStartMachineActionsModel(self, *args) -> "FirstStartMachineActionsModel": if self._first_start_machine_actions_model is None: self._first_start_machine_actions_model = FirstStartMachineActionsModel(self, parent = self) if self.started: self._first_start_machine_actions_model.initialize() return self._first_start_machine_actions_model @pyqtSlot(result = QObject) def getSettingVisibilityPresetsModel(self, *args) -> SettingVisibilityPresetsModel: return self._setting_visibility_presets_model @pyqtSlot(result = QObject) def getWelcomePagesModel(self, *args) -> "WelcomePagesModel": return self._welcome_pages_model @pyqtSlot(result = QObject) def getAddPrinterPagesModel(self, *args) -> "AddPrinterPagesModel": return self._add_printer_pages_model @pyqtSlot(result = QObject) def getAddPrinterPagesModelWithoutCancel(self, *args) -> "AddPrinterPagesModel": return self._add_printer_pages_model_without_cancel @pyqtSlot(result = QObject) def getWhatsNewPagesModel(self, *args) -> "WhatsNewPagesModel": return self._whats_new_pages_model @pyqtSlot(result = QObject) def getMachineSettingsManager(self, *args) -> "MachineSettingsManager": return self._machine_settings_manager @pyqtSlot(result = QObject) def getTextManager(self, *args) -> "TextManager": return self._text_manager def getCuraFormulaFunctions(self, *args) -> "CuraFormulaFunctions": if self._cura_formula_functions is None: self._cura_formula_functions = CuraFormulaFunctions(self) return self._cura_formula_functions def getMachineErrorChecker(self, *args) -> MachineErrorChecker: return self._machine_error_checker def getMachineManager(self, *args) -> MachineManager: if self._machine_manager is None: self._machine_manager = MachineManager(self, parent = self) return self._machine_manager def getExtruderManager(self, *args) -> ExtruderManager: if self._extruder_manager is None: self._extruder_manager = ExtruderManager() return self._extruder_manager def getIntentManager(self, *args) -> IntentManager: return IntentManager.getInstance() def getObjectsModel(self, *args): if self._object_manager is None: self._object_manager = ObjectsModel(self) return self._object_manager @pyqtSlot(result = QObject) def getExtrudersModel(self, *args) -> "ExtrudersModel": if self._extruders_model is None: self._extruders_model = ExtrudersModel(self) return self._extruders_model @pyqtSlot(result = QObject) def getExtrudersModelWithOptional(self, *args) -> "ExtrudersModel": if self._extruders_model_with_optional is None: self._extruders_model_with_optional = ExtrudersModel(self) self._extruders_model_with_optional.setAddOptionalExtruder(True) return self._extruders_model_with_optional @pyqtSlot(result = QObject) def getMultiBuildPlateModel(self, *args) -> MultiBuildPlateModel: if self._multi_build_plate_model is None: self._multi_build_plate_model = MultiBuildPlateModel(self) return self._multi_build_plate_model @pyqtSlot(result = QObject) def getBuildPlateModel(self, *args) -> BuildPlateModel: if self._build_plate_model is None: self._build_plate_model = BuildPlateModel(self) return self._build_plate_model def getCuraSceneController(self, *args) -> CuraSceneController: if self._cura_scene_controller is None: self._cura_scene_controller = CuraSceneController.createCuraSceneController() return self._cura_scene_controller def getSettingInheritanceManager(self, *args) -> SettingInheritanceManager: if self._setting_inheritance_manager is None: self._setting_inheritance_manager = SettingInheritanceManager.createSettingInheritanceManager() return self._setting_inheritance_manager def getMachineActionManager(self, *args: Any) -> MachineActionManager.MachineActionManager: """Get the machine action manager We ignore any *args given to this, as we also register the machine manager as qml singleton. It wants to give this function an engine and script engine, but we don't care about that. """ return cast(MachineActionManager.MachineActionManager, self._machine_action_manager) @pyqtSlot(result = QObject) def getMaterialManagementModel(self) -> MaterialManagementModel: if not self._material_management_model: self._material_management_model = MaterialManagementModel(parent = self) return self._material_management_model @pyqtSlot(result = QObject) def getQualityManagementModel(self) -> QualityManagementModel: if not self._quality_management_model: self._quality_management_model = QualityManagementModel(parent = self) return self._quality_management_model def getSimpleModeSettingsManager(self, *args): if self._simple_mode_settings_manager is None: self._simple_mode_settings_manager = SimpleModeSettingsManager() return self._simple_mode_settings_manager @pyqtSlot(result = QObject) def getFileProviderModel(self) -> FileProviderModel: return self._file_provider_model def _onFileProviderEnabledChanged(self): self._file_provider_model.update() def event(self, event): """Handle Qt events""" if event.type() == QEvent.FileOpen: if self._plugins_loaded: self._openFile(event.file()) else: self._open_file_queue.append(event.file()) return super().event(event) def getAutoSave(self) -> Optional[AutoSave]: return self._auto_save def getPrintInformation(self): """Get print information (duration / material used)""" return self._print_information def getQualityProfilesDropDownMenuModel(self, *args, **kwargs): if self._quality_profile_drop_down_menu_model is None: self._quality_profile_drop_down_menu_model = QualityProfilesDropDownMenuModel(self) return self._quality_profile_drop_down_menu_model def getCustomQualityProfilesDropDownMenuModel(self, *args, **kwargs): if self._custom_quality_profile_drop_down_menu_model is None: self._custom_quality_profile_drop_down_menu_model = CustomQualityProfilesDropDownMenuModel(self) return self._custom_quality_profile_drop_down_menu_model def getCuraAPI(self, *args, **kwargs) -> "CuraAPI": return self._cura_API def registerObjects(self, engine): """Registers objects for the QML engine to use. :param engine: The QML engine. """ super().registerObjects(engine) # global contexts self.processEvents() engine.rootContext().setContextProperty("Printer", self) engine.rootContext().setContextProperty("CuraApplication", self) engine.rootContext().setContextProperty("PrintInformation", self._print_information) engine.rootContext().setContextProperty("CuraActions", self._cura_actions) engine.rootContext().setContextProperty("CuraSDKVersion", ApplicationMetadata.CuraSDKVersion) self.processEvents() qmlRegisterUncreatableType(CuraApplication, "Cura", 1, 0, "ResourceTypes", "Just an Enum type") self.processEvents() qmlRegisterSingletonType(CuraSceneController, "Cura", 1, 0, "SceneController", self.getCuraSceneController) qmlRegisterSingletonType(ExtruderManager, "Cura", 1, 0, "ExtruderManager", self.getExtruderManager) qmlRegisterSingletonType(MachineManager, "Cura", 1, 0, "MachineManager", self.getMachineManager) qmlRegisterSingletonType(IntentManager, "Cura", 1, 6, "IntentManager", self.getIntentManager) qmlRegisterSingletonType(SettingInheritanceManager, "Cura", 1, 0, "SettingInheritanceManager", self.getSettingInheritanceManager) qmlRegisterSingletonType(SimpleModeSettingsManager, "Cura", 1, 0, "SimpleModeSettingsManager", self.getSimpleModeSettingsManager) qmlRegisterSingletonType(MachineActionManager.MachineActionManager, "Cura", 1, 0, "MachineActionManager", self.getMachineActionManager) self.processEvents() qmlRegisterType(NetworkingUtil, "Cura", 1, 5, "NetworkingUtil") qmlRegisterType(WelcomePagesModel, "Cura", 1, 0, "WelcomePagesModel") qmlRegisterType(WhatsNewPagesModel, "Cura", 1, 0, "WhatsNewPagesModel") qmlRegisterType(AddPrinterPagesModel, "Cura", 1, 0, "AddPrinterPagesModel") qmlRegisterType(TextManager, "Cura", 1, 0, "TextManager") qmlRegisterType(RecommendedMode, "Cura", 1, 0, "RecommendedMode") self.processEvents() qmlRegisterType(NetworkMJPGImage, "Cura", 1, 0, "NetworkMJPGImage") qmlRegisterType(ObjectsModel, "Cura", 1, 0, "ObjectsModel") qmlRegisterType(BuildPlateModel, "Cura", 1, 0, "BuildPlateModel") qmlRegisterType(MultiBuildPlateModel, "Cura", 1, 0, "MultiBuildPlateModel") qmlRegisterType(InstanceContainer, "Cura", 1, 0, "InstanceContainer") qmlRegisterType(ExtrudersModel, "Cura", 1, 0, "ExtrudersModel") qmlRegisterType(GlobalStacksModel, "Cura", 1, 0, "GlobalStacksModel") self.processEvents() qmlRegisterType(FavoriteMaterialsModel, "Cura", 1, 0, "FavoriteMaterialsModel") qmlRegisterType(GenericMaterialsModel, "Cura", 1, 0, "GenericMaterialsModel") qmlRegisterType(MaterialBrandsModel, "Cura", 1, 0, "MaterialBrandsModel") qmlRegisterSingletonType(QualityManagementModel, "Cura", 1, 0, "QualityManagementModel", self.getQualityManagementModel) qmlRegisterSingletonType(MaterialManagementModel, "Cura", 1, 5, "MaterialManagementModel", self.getMaterialManagementModel) self.processEvents() qmlRegisterType(DiscoveredPrintersModel, "Cura", 1, 0, "DiscoveredPrintersModel") qmlRegisterType(DiscoveredCloudPrintersModel, "Cura", 1, 7, "DiscoveredCloudPrintersModel") qmlRegisterSingletonType(QualityProfilesDropDownMenuModel, "Cura", 1, 0, "QualityProfilesDropDownMenuModel", self.getQualityProfilesDropDownMenuModel) qmlRegisterSingletonType(CustomQualityProfilesDropDownMenuModel, "Cura", 1, 0, "CustomQualityProfilesDropDownMenuModel", self.getCustomQualityProfilesDropDownMenuModel) qmlRegisterType(NozzleModel, "Cura", 1, 0, "NozzleModel") qmlRegisterType(IntentModel, "Cura", 1, 6, "IntentModel") qmlRegisterType(IntentCategoryModel, "Cura", 1, 6, "IntentCategoryModel") self.processEvents() qmlRegisterType(MaterialSettingsVisibilityHandler, "Cura", 1, 0, "MaterialSettingsVisibilityHandler") qmlRegisterType(SettingVisibilityPresetsModel, "Cura", 1, 0, "SettingVisibilityPresetsModel") qmlRegisterType(QualitySettingsModel, "Cura", 1, 0, "QualitySettingsModel") qmlRegisterType(FirstStartMachineActionsModel, "Cura", 1, 0, "FirstStartMachineActionsModel") qmlRegisterType(MachineNameValidator, "Cura", 1, 0, "MachineNameValidator") qmlRegisterType(UserChangesModel, "Cura", 1, 0, "UserChangesModel") qmlRegisterSingletonType(ContainerManager, "Cura", 1, 0, "ContainerManager", ContainerManager.getInstance) qmlRegisterType(SidebarCustomMenuItemsModel, "Cura", 1, 0, "SidebarCustomMenuItemsModel") qmlRegisterType(PrinterOutputDevice, "Cura", 1, 0, "PrinterOutputDevice") from cura.API import CuraAPI qmlRegisterSingletonType(CuraAPI, "Cura", 1, 1, "API", self.getCuraAPI) qmlRegisterUncreatableType(Account, "Cura", 1, 0, "AccountSyncState", "Could not create AccountSyncState") # As of Qt5.7, it is necessary to get rid of any ".." in the path for the singleton to work. actions_url = QUrl.fromLocalFile(os.path.abspath(Resources.getPath(CuraApplication.ResourceTypes.QmlFiles, "Actions.qml"))) qmlRegisterSingletonType(actions_url, "Cura", 1, 0, "Actions") for path in Resources.getAllResourcesOfType(CuraApplication.ResourceTypes.QmlFiles): type_name = os.path.splitext(os.path.basename(path))[0] if type_name in ("Cura", "Actions"): continue # Ignore anything that is not a QML file. if not path.endswith(".qml"): continue qmlRegisterType(QUrl.fromLocalFile(path), "Cura", 1, 0, type_name) self.processEvents() def onSelectionChanged(self): if Selection.hasSelection(): if self.getController().getActiveTool(): # If the tool has been disabled by the new selection if not self.getController().getActiveTool().getEnabled(): # Default self.getController().setActiveTool("TranslateTool") else: if self._previous_active_tool: self.getController().setActiveTool(self._previous_active_tool) if not self.getController().getActiveTool().getEnabled(): self.getController().setActiveTool("TranslateTool") self._previous_active_tool = None else: # Default self.getController().setActiveTool("TranslateTool") if self.getPreferences().getValue("view/center_on_select"): self._center_after_select = True else: if self.getController().getActiveTool(): self._previous_active_tool = self.getController().getActiveTool().getPluginId() self.getController().setActiveTool(None) def _onToolOperationStopped(self, event): if self._center_after_select and Selection.getSelectedObject(0) is not None: self._center_after_select = False self._camera_animation.setStart(self.getController().getTool("CameraTool").getOrigin()) self._camera_animation.setTarget(Selection.getSelectedObject(0).getWorldPosition()) self._camera_animation.start() activityChanged = pyqtSignal() sceneBoundingBoxChanged = pyqtSignal() @pyqtProperty(bool, notify = activityChanged) def platformActivity(self): return self._platform_activity @pyqtProperty(str, notify = sceneBoundingBoxChanged) def getSceneBoundingBoxString(self): return self._i18n_catalog.i18nc("@info 'width', 'depth' and 'height' are variable names that must NOT be translated; just translate the format of ##x##x## mm.", "%(width).1f x %(depth).1f x %(height).1f mm") % {'width' : self._scene_bounding_box.width.item(), 'depth': self._scene_bounding_box.depth.item(), 'height' : self._scene_bounding_box.height.item()} def updatePlatformActivityDelayed(self, node = None): if node is not None and (node.getMeshData() is not None or node.callDecoration("getLayerData")): self._update_platform_activity_timer.start() def updatePlatformActivity(self, node = None): """Update scene bounding box for current build plate""" count = 0 scene_bounding_box = None is_block_slicing_node = False active_build_plate = self.getMultiBuildPlateModel().activeBuildPlate print_information = self.getPrintInformation() for node in DepthFirstIterator(self.getController().getScene().getRoot()): if ( not issubclass(type(node), CuraSceneNode) or (not node.getMeshData() and not node.callDecoration("getLayerData")) or (node.callDecoration("getBuildPlateNumber") != active_build_plate)): continue if node.callDecoration("isBlockSlicing"): is_block_slicing_node = True count += 1 # After clicking the Undo button, if the build plate empty the project name needs to be set if print_information.baseName == '': print_information.setBaseName(node.getName()) if not scene_bounding_box: scene_bounding_box = node.getBoundingBox() else: other_bb = node.getBoundingBox() if other_bb is not None: scene_bounding_box = scene_bounding_box + node.getBoundingBox() if print_information: print_information.setPreSliced(is_block_slicing_node) self.getWorkspaceFileHandler().setEnabled(not is_block_slicing_node) if not scene_bounding_box: scene_bounding_box = AxisAlignedBox.Null if repr(self._scene_bounding_box) != repr(scene_bounding_box): self._scene_bounding_box = scene_bounding_box self.sceneBoundingBoxChanged.emit() self._platform_activity = True if count > 0 else False self.activityChanged.emit() @pyqtSlot() def selectAll(self): """Select all nodes containing mesh data in the scene.""" if not self.getController().getToolsEnabled(): return Selection.clear() for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.getMeshData() and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. if node.getParent() and node.getParent().callDecoration("isGroup") or node.getParent().callDecoration("isSliceable"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) if not node.isSelectable(): continue # i.e. node with layer data if not node.callDecoration("isSliceable") and not node.callDecoration("isGroup"): continue # i.e. node with layer data Selection.add(node) @pyqtSlot() def resetAllTranslation(self): """Reset all translation on nodes with mesh data.""" Logger.log("i", "Resetting all scene translations") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.getMeshData() and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. if node.getParent() and node.getParent().callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) if not node.isSelectable(): continue # i.e. node with layer data nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: # Ensure that the object is above the build platform node.removeDecorator(ZOffsetDecorator.ZOffsetDecorator) if node.getBoundingBox(): center_y = node.getWorldPosition().y - node.getBoundingBox().bottom else: center_y = 0 op.addOperation(SetTransformOperation(node, Vector(0, center_y, 0))) op.push() @pyqtSlot() def resetAll(self): """Reset all transformations on nodes with mesh data.""" Logger.log("i", "Resetting all scene transformations") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.getMeshData() and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. if node.getParent() and node.getParent().callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) if not node.callDecoration("isSliceable") and not node.callDecoration("isGroup"): continue # i.e. node with layer data nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: # Ensure that the object is above the build platform node.removeDecorator(ZOffsetDecorator.ZOffsetDecorator) if node.getBoundingBox(): center_y = node.getWorldPosition().y - node.getBoundingBox().bottom else: center_y = 0 op.addOperation(SetTransformOperation(node, Vector(0, center_y, 0), Quaternion(), Vector(1, 1, 1))) op.push() @pyqtSlot() def arrangeObjectsToAllBuildPlates(self) -> None: """Arrange all objects.""" nodes_to_arrange = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.getMeshData() and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. parent_node = node.getParent() if parent_node and parent_node.callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is reset) if not node.callDecoration("isSliceable") and not node.callDecoration("isGroup"): continue # i.e. node with layer data bounding_box = node.getBoundingBox() # Skip nodes that are too big if bounding_box is None or bounding_box.width < self._volume.getBoundingBox().width or bounding_box.depth < self._volume.getBoundingBox().depth: nodes_to_arrange.append(node) job = ArrangeObjectsAllBuildPlatesJob(nodes_to_arrange) job.start() self.getCuraSceneController().setActiveBuildPlate(0) # Select first build plate # Single build plate @pyqtSlot() def arrangeAll(self) -> None: nodes_to_arrange = [] active_build_plate = self.getMultiBuildPlateModel().activeBuildPlate locked_nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.getMeshData() and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. parent_node = node.getParent() if parent_node and parent_node.callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) if not node.isSelectable(): continue # i.e. node with layer data if not node.callDecoration("isSliceable") and not node.callDecoration("isGroup"): continue # i.e. node with layer data if node.callDecoration("getBuildPlateNumber") == active_build_plate: # Skip nodes that are too big bounding_box = node.getBoundingBox() if bounding_box is None or bounding_box.width < self._volume.getBoundingBox().width or bounding_box.depth < self._volume.getBoundingBox().depth: # Arrange only the unlocked nodes and keep the locked ones in place if UM.Util.parseBool(node.getSetting(SceneNodeSettings.LockPosition)): locked_nodes.append(node) else: nodes_to_arrange.append(node) self.arrange(nodes_to_arrange, locked_nodes) def arrange(self, nodes: List[SceneNode], fixed_nodes: List[SceneNode]) -> None: """Arrange a set of nodes given a set of fixed nodes :param nodes: nodes that we have to place :param fixed_nodes: nodes that are placed in the arranger before finding spots for nodes """ min_offset = self.getBuildVolume().getEdgeDisallowedSize() + 2 # Allow for some rounding errors job = ArrangeObjectsJob(nodes, fixed_nodes, min_offset = max(min_offset, 8)) job.start() @pyqtSlot() def reloadAll(self) -> None: """Reload all mesh data on the screen from file.""" Logger.log("i", "Reloading all loaded mesh data.") nodes = [] has_merged_nodes = False gcode_filename = None # type: Optional[str] for node in DepthFirstIterator(self.getController().getScene().getRoot()): # Objects loaded from Gcode should also be included. gcode_filename = node.callDecoration("getGcodeFileName") if gcode_filename is not None: break if not isinstance(node, CuraSceneNode) or not node.getMeshData(): if node.getName() == "MergedMesh": has_merged_nodes = True continue nodes.append(node) # We can open only one gcode file at the same time. If the current view has a gcode file open, just reopen it # for reloading. if gcode_filename: self._openFile(gcode_filename) if not nodes: return objects_in_filename = {} # type: Dict[str, List[CuraSceneNode]] for node in nodes: mesh_data = node.getMeshData() if mesh_data: file_name = mesh_data.getFileName() if file_name: if file_name not in objects_in_filename: objects_in_filename[file_name] = [] if file_name in objects_in_filename: objects_in_filename[file_name].append(node) else: Logger.log("w", "Unable to reload data because we don't have a filename.") for file_name, nodes in objects_in_filename.items(): for node in nodes: file_path = os.path.normpath(os.path.dirname(file_name)) job = ReadMeshJob(file_name, add_to_recent_files = file_path != tempfile.gettempdir()) # Don't add temp files to the recent files list job._node = node # type: ignore job.finished.connect(self._reloadMeshFinished) if has_merged_nodes: job.finished.connect(self.updateOriginOfMergedMeshes) job.start() @pyqtSlot("QStringList") def setExpandedCategories(self, categories: List[str]) -> None: categories = list(set(categories)) categories.sort() joined = ";".join(categories) 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) -> List[str]: return self.getPreferences().getValue("cura/categories_expanded").split(";") @pyqtSlot() def mergeSelected(self): self.groupSelected() try: group_node = Selection.getAllSelectedObjects()[0] except Exception as e: Logger.log("e", "mergeSelected: Exception: %s", e) return meshes = [node.getMeshData() for node in group_node.getAllChildren() if node.getMeshData()] # Compute the center of the objects object_centers = [] # Forget about the translation that the original objects have zero_translation = Matrix(data=numpy.zeros(3)) for mesh, node in zip(meshes, group_node.getChildren()): transformation = node.getLocalTransformation() transformation.setTranslation(zero_translation) transformed_mesh = mesh.getTransformed(transformation) center = transformed_mesh.getCenterPosition() if center is not None: object_centers.append(center) if object_centers: middle_x = sum([v.x for v in object_centers]) / len(object_centers) middle_y = sum([v.y for v in object_centers]) / len(object_centers) middle_z = sum([v.z for v in object_centers]) / len(object_centers) offset = Vector(middle_x, middle_y, middle_z) else: offset = Vector(0, 0, 0) # Move each node to the same position. for mesh, node in zip(meshes, group_node.getChildren()): node.setTransformation(Matrix()) # Align the object around its zero position # and also apply the offset to center it inside the group. node.setPosition(-mesh.getZeroPosition() - offset) # Use the previously found center of the group bounding box as the new location of the group group_node.setPosition(group_node.getBoundingBox().center) group_node.setName("MergedMesh") # add a specific name to distinguish this node def updateOriginOfMergedMeshes(self, _): """Updates origin position of all merged meshes""" group_nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if isinstance(node, CuraSceneNode) and node.getName() == "MergedMesh": # Checking by name might be not enough, the merged mesh should has "GroupDecorator" decorator for decorator in node.getDecorators(): if isinstance(decorator, GroupDecorator): group_nodes.append(node) break for group_node in group_nodes: meshes = [node.getMeshData() for node in group_node.getAllChildren() if node.getMeshData()] # Compute the center of the objects object_centers = [] # Forget about the translation that the original objects have zero_translation = Matrix(data=numpy.zeros(3)) for mesh, node in zip(meshes, group_node.getChildren()): transformation = node.getLocalTransformation() transformation.setTranslation(zero_translation) transformed_mesh = mesh.getTransformed(transformation) center = transformed_mesh.getCenterPosition() if center is not None: object_centers.append(center) if object_centers: middle_x = sum([v.x for v in object_centers]) / len(object_centers) middle_y = sum([v.y for v in object_centers]) / len(object_centers) middle_z = sum([v.z for v in object_centers]) / len(object_centers) offset = Vector(middle_x, middle_y, middle_z) else: offset = Vector(0, 0, 0) # Move each node to the same position. for mesh, node in zip(meshes, group_node.getChildren()): transformation = node.getLocalTransformation() transformation.setTranslation(zero_translation) transformed_mesh = mesh.getTransformed(transformation) # Align the object around its zero position # and also apply the offset to center it inside the group. node.setPosition(-transformed_mesh.getZeroPosition() - offset) # Use the previously found center of the group bounding box as the new location of the group group_node.setPosition(group_node.getBoundingBox().center) @pyqtSlot() def groupSelected(self) -> None: # Create a group-node group_node = CuraSceneNode() group_decorator = GroupDecorator() group_node.addDecorator(group_decorator) group_node.addDecorator(ConvexHullDecorator()) group_node.addDecorator(BuildPlateDecorator(self.getMultiBuildPlateModel().activeBuildPlate)) group_node.setParent(self.getController().getScene().getRoot()) group_node.setSelectable(True) center = Selection.getSelectionCenter() group_node.setPosition(center) group_node.setCenterPosition(center) # Remove nodes that are directly parented to another selected node from the selection so they remain parented selected_nodes = Selection.getAllSelectedObjects().copy() for node in selected_nodes: parent = node.getParent() if parent is not None and parent in selected_nodes and not parent.callDecoration("isGroup"): Selection.remove(node) # Move selected nodes into the group-node Selection.applyOperation(SetParentOperation, group_node) # Deselect individual nodes and select the group-node instead for node in group_node.getChildren(): Selection.remove(node) Selection.add(group_node) @pyqtSlot() def ungroupSelected(self) -> None: selected_objects = Selection.getAllSelectedObjects().copy() for node in selected_objects: if node.callDecoration("isGroup"): op = GroupedOperation() group_parent = node.getParent() children = node.getChildren().copy() for child in children: # Ungroup only 1 level deep if child.getParent() != node: continue # Set the parent of the children to the parent of the group-node op.addOperation(SetParentOperation(child, group_parent)) # Add all individual nodes to the selection Selection.add(child) op.push() # Note: The group removes itself from the scene once all its children have left it, # see GroupDecorator._onChildrenChanged def _createSplashScreen(self) -> Optional[CuraSplashScreen.CuraSplashScreen]: if self._is_headless: return None return CuraSplashScreen.CuraSplashScreen() def _onActiveMachineChanged(self): pass fileLoaded = pyqtSignal(str) fileCompleted = pyqtSignal(str) def _reloadMeshFinished(self, job) -> None: """ Function called whenever a ReadMeshJob finishes in the background. It reloads a specific node object in the scene from its source file. The function gets all the nodes that exist in the file through the job result, and then finds the scene node that it wants to refresh by its object id. Each job refreshes only one node. :param job: The :py:class:`Uranium.UM.ReadMeshJob.ReadMeshJob` running in the background that reads all the meshes in a file """ job_result = job.getResult() # nodes that exist inside the file read by this job if len(job_result) == 0: Logger.log("e", "Reloading the mesh failed.") return object_found = False mesh_data = None # Find the node to be refreshed based on its id for job_result_node in job_result: if job_result_node.getId() == job._node.getId(): mesh_data = job_result_node.getMeshData() object_found = True break if not object_found: Logger.warning("The object with id {} no longer exists! Keeping the old version in the scene.".format(job_result_node.getId())) return if not mesh_data: Logger.log("w", "Could not find a mesh in reloaded node.") return job._node.setMeshData(mesh_data) def _openFile(self, filename): self.readLocalFile(QUrl.fromLocalFile(filename)) def _addProfileReader(self, profile_reader): # TODO: Add the profile reader to the list of plug-ins that can be used when importing profiles. pass def _addProfileWriter(self, profile_writer): pass @pyqtSlot("QSize") def setMinimumWindowSize(self, size): main_window = self.getMainWindow() if main_window: main_window.setMinimumSize(size) def getBuildVolume(self): return self._volume additionalComponentsChanged = pyqtSignal(str, arguments = ["areaId"]) @pyqtProperty("QVariantMap", notify = additionalComponentsChanged) def additionalComponents(self): return self._additional_components @pyqtSlot(str, "QVariant") def addAdditionalComponent(self, area_id: str, component): """Add a component to a list of components to be reparented to another area in the GUI. The actual reparenting is done by the area itself. :param area_id: dentifying name of the area to which the component should be reparented :param (QQuickComponent) component: The component that should be reparented """ if area_id not in self._additional_components: self._additional_components[area_id] = [] self._additional_components[area_id].append(component) self.additionalComponentsChanged.emit(area_id) @pyqtSlot(str) def log(self, msg): Logger.log("d", msg) openProjectFile = pyqtSignal(QUrl, bool, arguments = ["project_file", "add_to_recent_files"]) # Emitted when a project file is about to open. @pyqtSlot(QUrl, str, bool) @pyqtSlot(QUrl, str) @pyqtSlot(QUrl) def readLocalFile(self, file: QUrl, project_mode: Optional[str] = None, add_to_recent_files: bool = True): """Open a local file :param project_mode: How to handle project files. Either None(default): Follow user preference, "open_as_model" or "open_as_project". This parameter is only considered if the file is a project file. :param add_to_recent_files: Whether or not to add the file as an option to the Recent Files list. """ Logger.log("i", "Attempting to read file %s", file.toString()) if not file.isValid(): return scene = self.getController().getScene() for node in DepthFirstIterator(scene.getRoot()): if node.callDecoration("isBlockSlicing"): self.deleteAll() break is_project_file = self.checkIsValidProjectFile(file) if project_mode is None: project_mode = self.getPreferences().getValue("cura/choice_on_open_project") if is_project_file and project_mode == "open_as_project": # open as project immediately without presenting a dialog workspace_handler = self.getWorkspaceFileHandler() workspace_handler.readLocalFile(file, add_to_recent_files_hint = add_to_recent_files) return if is_project_file and project_mode == "always_ask": # present a dialog asking to open as project or import models self.callLater(self.openProjectFile.emit, file, add_to_recent_files) return # Either the file is a model file or we want to load only models from project. Continue to load models. if self.getPreferences().getValue("cura/select_models_on_load"): Selection.clear() f = file.toLocalFile() extension = os.path.splitext(f)[1] extension = extension.lower() filename = os.path.basename(f) if self._currently_loading_files: # If a non-slicable file is already being loaded, we prevent loading of any further non-slicable files if extension in self._non_sliceable_extensions: message = Message( self._i18n_catalog.i18nc("@info:status", "Only one G-code file can be loaded at a time. Skipped importing {0}", filename), title = self._i18n_catalog.i18nc("@info:title", "Warning")) message.show() return # If file being loaded is non-slicable file, then prevent loading of any other files extension = os.path.splitext(self._currently_loading_files[0])[1] extension = extension.lower() if extension in self._non_sliceable_extensions: message = Message( self._i18n_catalog.i18nc("@info:status", "Can't open any other file if G-code is loading. Skipped importing {0}", filename), title = self._i18n_catalog.i18nc("@info:title", "Error")) message.show() return self._currently_loading_files.append(f) if extension in self._non_sliceable_extensions: self.deleteAll(only_selectable = False) job = ReadMeshJob(f, add_to_recent_files = add_to_recent_files) job.finished.connect(self._readMeshFinished) job.start() def _readMeshFinished(self, job): global_container_stack = self.getGlobalContainerStack() if not global_container_stack: Logger.log("w", "Can't load meshes before a printer is added.") return if not self._volume: Logger.log("w", "Can't load meshes before the build volume is initialized") return nodes = job.getResult() if nodes is None: Logger.error("Read mesh job returned None. Mesh loading must have failed.") return file_name = job.getFileName() file_name_lower = file_name.lower() file_extension = file_name_lower.split(".")[-1] self._currently_loading_files.remove(file_name) self.fileLoaded.emit(file_name) target_build_plate = self.getMultiBuildPlateModel().activeBuildPlate root = self.getController().getScene().getRoot() fixed_nodes = [] for node_ in DepthFirstIterator(root): if node_.callDecoration("isSliceable") and node_.callDecoration("getBuildPlateNumber") == target_build_plate: fixed_nodes.append(node_) default_extruder_position = self.getMachineManager().defaultExtruderPosition default_extruder_id = self._global_container_stack.extruderList[int(default_extruder_position)].getId() select_models_on_load = self.getPreferences().getValue("cura/select_models_on_load") nodes_to_arrange = [] # type: List[CuraSceneNode] fixed_nodes = [] for node_ in DepthFirstIterator(self.getController().getScene().getRoot()): # Only count sliceable objects if node_.callDecoration("isSliceable"): fixed_nodes.append(node_) for original_node in nodes: # Create a CuraSceneNode just if the original node is not that type if isinstance(original_node, CuraSceneNode): node = original_node else: node = CuraSceneNode() node.setMeshData(original_node.getMeshData()) # Setting meshdata does not apply scaling. if original_node.getScale() != Vector(1.0, 1.0, 1.0): node.scale(original_node.getScale()) node.setSelectable(True) node.setName(os.path.basename(file_name)) self.getBuildVolume().checkBoundsAndUpdate(node) is_non_sliceable = "." + file_extension in self._non_sliceable_extensions if is_non_sliceable: # Need to switch first to the preview stage and then to layer view self.callLater(lambda: (self.getController().setActiveStage("PreviewStage"), self.getController().setActiveView("SimulationView"))) block_slicing_decorator = BlockSlicingDecorator() node.addDecorator(block_slicing_decorator) else: sliceable_decorator = SliceableObjectDecorator() node.addDecorator(sliceable_decorator) scene = self.getController().getScene() # If there is no convex hull for the node, start calculating it and continue. if not node.getDecorator(ConvexHullDecorator): node.addDecorator(ConvexHullDecorator()) for child in node.getAllChildren(): if not child.getDecorator(ConvexHullDecorator): child.addDecorator(ConvexHullDecorator()) if file_extension != "3mf": if node.callDecoration("isSliceable"): # Ensure that the bottom of the bounding box is on the build plate if node.getBoundingBox(): center_y = node.getWorldPosition().y - node.getBoundingBox().bottom else: center_y = 0 node.translate(Vector(0, center_y, 0)) nodes_to_arrange.append(node) # This node is deep copied from some other node which already has a BuildPlateDecorator, but the deepcopy # of BuildPlateDecorator produces one that's associated with build plate -1. So, here we need to check if # the BuildPlateDecorator exists or not and always set the correct build plate number. build_plate_decorator = node.getDecorator(BuildPlateDecorator) if build_plate_decorator is None: build_plate_decorator = BuildPlateDecorator(target_build_plate) node.addDecorator(build_plate_decorator) build_plate_decorator.setBuildPlateNumber(target_build_plate) operation = AddSceneNodeOperation(node, scene.getRoot()) operation.push() node.callDecoration("setActiveExtruder", default_extruder_id) scene.sceneChanged.emit(node) if select_models_on_load: Selection.add(node) try: arrange(nodes_to_arrange, self.getBuildVolume(), fixed_nodes) except: Logger.logException("e", "Failed to arrange the models") # Ensure that we don't have any weird floaty objects (CURA-7855) for node in nodes_to_arrange: node.translate(Vector(0, -node.getBoundingBox().bottom, 0), SceneNode.TransformSpace.World) self.fileCompleted.emit(file_name) def addNonSliceableExtension(self, extension): self._non_sliceable_extensions.append(extension) @pyqtSlot(str, result=bool) def checkIsValidProjectFile(self, file_url): """Checks if the given file URL is a valid project file. """ file_path = QUrl(file_url).toLocalFile() workspace_reader = self.getWorkspaceFileHandler().getReaderForFile(file_path) if workspace_reader is None: return False # non-project files won't get a reader try: result = workspace_reader.preRead(file_path, show_dialog=False) return result == WorkspaceReader.PreReadResult.accepted except: Logger.logException("e", "Could not check file %s", file_url) return False def _onContextMenuRequested(self, x: float, y: float) -> None: # Ensure we select the object if we request a context menu over an object without having a selection. if Selection.hasSelection(): return selection_pass = cast(SelectionPass, self.getRenderer().getRenderPass("selection")) if not selection_pass: # If you right-click before the rendering has been initialised there might not be a selection pass yet. return node = self.getController().getScene().findObject(selection_pass.getIdAtPosition(x, y)) if not node: return parent = node.getParent() while parent and parent.callDecoration("isGroup"): node = parent parent = node.getParent() Selection.add(node) @pyqtSlot() def showMoreInformationDialogForAnonymousDataCollection(self): try: slice_info = self._plugin_registry.getPluginObject("SliceInfoPlugin") slice_info.showMoreInfoDialog() except PluginNotFoundError: Logger.log("w", "Plugin SliceInfo was not found, so not able to show the info dialog.") def addSidebarCustomMenuItem(self, menu_item: dict) -> None: self._sidebar_custom_menu_items.append(menu_item) def getSidebarCustomMenuItems(self) -> list: return self._sidebar_custom_menu_items @pyqtSlot(result = bool) def shouldShowWelcomeDialog(self) -> bool: # Only show the complete flow if there is no printer yet. return self._machine_manager.activeMachine is None @pyqtSlot(result = bool) def shouldShowWhatsNewDialog(self) -> bool: has_active_machine = self._machine_manager.activeMachine is not None has_app_just_upgraded = self.hasJustUpdatedFromOldVersion() # Only show the what's new dialog if there's no machine and we have just upgraded show_whatsnew_only = has_active_machine and has_app_just_upgraded return show_whatsnew_only @pyqtSlot(result = int) def appWidth(self) -> int: main_window = QtApplication.getInstance().getMainWindow() if main_window: return main_window.width() return 0 @pyqtSlot(result = int) def appHeight(self) -> int: main_window = QtApplication.getInstance().getMainWindow() if main_window: return main_window.height() return 0 @pyqtSlot() def deleteAll(self, only_selectable: bool = True) -> None: super().deleteAll(only_selectable = only_selectable) # Also remove nodes with LayerData self._removeNodesWithLayerData(only_selectable = only_selectable) def _removeNodesWithLayerData(self, only_selectable: bool = True) -> None: Logger.log("i", "Clearing scene") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if not isinstance(node, SceneNode): continue if not node.isEnabled(): continue if (not node.getMeshData() and not node.callDecoration("getLayerData")) and not node.callDecoration("isGroup"): continue # Node that doesnt have a mesh and is not a group. if only_selectable and not node.isSelectable(): continue # Only remove nodes that are selectable. if not node.callDecoration("isSliceable") and not node.callDecoration("getLayerData") and not node.callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) nodes.append(node) if nodes: from UM.Operations.GroupedOperation import GroupedOperation op = GroupedOperation() for node in nodes: from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation op.addOperation(RemoveSceneNodeOperation(node)) # Reset the print information self.getController().getScene().sceneChanged.emit(node) op.push() from UM.Scene.Selection import Selection Selection.clear() @classmethod def getInstance(cls, *args, **kwargs) -> "CuraApplication": return cast(CuraApplication, super().getInstance(**kwargs))