# Copyright (c) 2017 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. from PyQt5.QtNetwork import QLocalServer from PyQt5.QtNetwork import QLocalSocket from UM.Qt.QtApplication import QtApplication from UM.Scene.SceneNode import SceneNode from UM.Scene.Camera import Camera from UM.Math.Vector import Vector from UM.Math.Quaternion import Quaternion from UM.Math.AxisAlignedBox import AxisAlignedBox from UM.Math.Matrix import Matrix from UM.Resources import Resources from UM.Scene.ToolHandle import ToolHandle from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator from UM.Mesh.ReadMeshJob import ReadMeshJob from UM.Logger import Logger from UM.Preferences import Preferences from UM.SaveFile import SaveFile from UM.Scene.Selection import Selection from UM.Scene.GroupDecorator import GroupDecorator from UM.Settings.ContainerStack import ContainerStack from UM.Settings.InstanceContainer import InstanceContainer from UM.Settings.Validator import Validator from UM.Message import Message from UM.i18n import i18nCatalog from UM.Workspace.WorkspaceReader import WorkspaceReader from UM.Decorators import deprecated from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation from UM.Operations.GroupedOperation import GroupedOperation from UM.Operations.SetTransformOperation import SetTransformOperation from cura.Arrange import Arrange from cura.ShapeArray import ShapeArray from cura.ConvexHullDecorator import ConvexHullDecorator from cura.SetParentOperation import SetParentOperation from cura.SliceableObjectDecorator import SliceableObjectDecorator from cura.BlockSlicingDecorator import BlockSlicingDecorator from cura.ArrangeObjectsJob import ArrangeObjectsJob from cura.MultiplyObjectsJob import MultiplyObjectsJob from UM.Settings.SettingDefinition import SettingDefinition, DefinitionPropertyType from UM.Settings.ContainerRegistry import ContainerRegistry from UM.Settings.SettingFunction import SettingFunction from cura.Settings.MachineNameValidator import MachineNameValidator from cura.Settings.ProfilesModel import ProfilesModel from cura.Settings.MaterialsModel import MaterialsModel from cura.Settings.QualityAndUserProfilesModel import QualityAndUserProfilesModel from cura.Settings.SettingInheritanceManager import SettingInheritanceManager from cura.Settings.UserProfilesModel import UserProfilesModel from . import PlatformPhysics from . import BuildVolume from . import CameraAnimation from . import PrintInformation from . import CuraActions from . import ZOffsetDecorator from . import CuraSplashScreen from . import CameraImageProvider from . import MachineActionManager from cura.Settings.MachineManager import MachineManager from cura.Settings.MaterialManager import MaterialManager from cura.Settings.ExtruderManager import ExtruderManager from cura.Settings.UserChangesModel import UserChangesModel from cura.Settings.ExtrudersModel import ExtrudersModel from cura.Settings.ContainerSettingsModel import ContainerSettingsModel from cura.Settings.MaterialSettingsVisibilityHandler import MaterialSettingsVisibilityHandler from cura.Settings.QualitySettingsModel import QualitySettingsModel from cura.Settings.ContainerManager import ContainerManager from cura.Settings.GlobalStack import GlobalStack from cura.Settings.ExtruderStack import ExtruderStack from PyQt5.QtCore import QUrl, pyqtSignal, pyqtProperty, QEvent, Q_ENUMS from UM.FlameProfiler import pyqtSlot from PyQt5.QtGui import QColor, QIcon from PyQt5.QtWidgets import QMessageBox from PyQt5.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType import sys import os.path import numpy import copy import urllib.parse import os import argparse import json numpy.seterr(all="ignore") MYPY = False if not MYPY: try: from cura.CuraVersion import CuraVersion, CuraBuildType except ImportError: CuraVersion = "master" # [CodeStyle: Reflecting imported value] CuraBuildType = "" 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 = 3 class ResourceTypes: QmlFiles = Resources.UserType + 1 Firmware = Resources.UserType + 2 QualityInstanceContainer = Resources.UserType + 3 MaterialInstanceContainer = Resources.UserType + 4 VariantInstanceContainer = Resources.UserType + 5 UserInstanceContainer = Resources.UserType + 6 MachineStack = Resources.UserType + 7 ExtruderStack = Resources.UserType + 8 DefinitionChangesContainer = Resources.UserType + 9 Q_ENUMS(ResourceTypes) # FIXME: This signal belongs to the MachineManager, but the CuraEngineBackend plugin requires on it. # Because plugins are initialized before the ContainerRegistry, putting this signal in MachineManager # will make it initialized before ContainerRegistry does, and it won't find the active machine, thus # Cura will always show the Add Machine Dialog upon start. stacksValidationFinished = pyqtSignal() # Emitted whenever a validation is finished def __init__(self): # 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", "user", "variants"]: Resources.addExpectedDirNameInData(dir_name) Resources.addSearchPath(os.path.join(QtApplication.getInstallPrefix(), "share", "cura", "resources")) if not hasattr(sys, "frozen"): Resources.addSearchPath(os.path.join(os.path.abspath(os.path.dirname(__file__)), "..", "resources")) self._open_file_queue = [] # Files to open when plug-ins are loaded. # 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) SettingFunction.registerOperator("extruderValues", ExtruderManager.getExtruderValues) SettingFunction.registerOperator("extruderValue", ExtruderManager.getExtruderValue) SettingFunction.registerOperator("resolveOrValue", ExtruderManager.getResolveOrValue) ## Add the 4 types of profiles to storage. Resources.addStorageType(self.ResourceTypes.QualityInstanceContainer, "quality") 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") ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.QualityInstanceContainer) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.VariantInstanceContainer) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.MaterialInstanceContainer) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.UserInstanceContainer) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.ExtruderStack) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.MachineStack) ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.DefinitionChangesContainer) ## Initialise the version upgrade manager with Cura's storage paths. import UM.VersionUpgradeManager #Needs to be here to prevent circular dependencies. UM.VersionUpgradeManager.VersionUpgradeManager.getInstance().setCurrentVersions( { ("quality_changes", InstanceContainer.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.QualityInstanceContainer, "application/x-uranium-instancecontainer"), ("machine_stack", ContainerStack.Version * 1000000 + self.SettingVersion): (self.ResourceTypes.MachineStack, "application/x-cura-globalstack"), ("extruder_train", ContainerStack.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"), } ) self._currently_loading_files = [] self._non_sliceable_extensions = [] self._machine_action_manager = MachineActionManager.MachineActionManager() self._machine_manager = None # This is initialized on demand. self._material_manager = None self._setting_inheritance_manager = None self._additional_components = {} # Components to add to certain areas in the interface super().__init__(name = "cura", version = CuraVersion, buildtype = CuraBuildType, tray_icon_name = "cura-icon-32.png") self.default_theme = "cura-light" self.setWindowIcon(QIcon(Resources.getPath(Resources.Images, "cura-icon.png"))) self.setRequiredPlugins([ "CuraEngineBackend", "UserAgreement", "SolidView", "LayerView", "STLReader", "SelectionTool", "CameraTool", "GCodeWriter", "LocalFileOutputDevice", "TranslateTool", "FileLogger", "XmlMaterialProfile", "PluginBrowser" ]) 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._job_name = None 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._preferred_mimetype = "" self._i18n_catalog = i18nCatalog("cura") self.getController().getScene().sceneChanged.connect(self.updatePlatformActivity) self.getController().toolOperationStopped.connect(self._onToolOperationStopped) self.getController().contextMenuRequested.connect(self._onContextMenuRequested) Resources.addType(self.ResourceTypes.QmlFiles, "qml") Resources.addType(self.ResourceTypes.Firmware, "firmware") self.showSplashMessage(self._i18n_catalog.i18nc("@info:progress", "Loading machines...")) # 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. empty_container = ContainerRegistry.getInstance().getEmptyInstanceContainer() empty_variant_container = copy.deepcopy(empty_container) empty_variant_container._id = "empty_variant" empty_variant_container.addMetaDataEntry("type", "variant") ContainerRegistry.getInstance().addContainer(empty_variant_container) empty_material_container = copy.deepcopy(empty_container) empty_material_container._id = "empty_material" empty_material_container.addMetaDataEntry("type", "material") ContainerRegistry.getInstance().addContainer(empty_material_container) empty_quality_container = copy.deepcopy(empty_container) empty_quality_container._id = "empty_quality" empty_quality_container.setName("Not Supported") empty_quality_container.addMetaDataEntry("quality_type", "normal") empty_quality_container.addMetaDataEntry("type", "quality") ContainerRegistry.getInstance().addContainer(empty_quality_container) empty_quality_changes_container = copy.deepcopy(empty_container) empty_quality_changes_container._id = "empty_quality_changes" empty_quality_changes_container.addMetaDataEntry("type", "quality_changes") ContainerRegistry.getInstance().addContainer(empty_quality_changes_container) with ContainerRegistry.getInstance().lockFile(): ContainerRegistry.getInstance().load() # set the setting version for Preferences preferences = Preferences.getInstance() 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("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/currency", "€") preferences.addPreference("cura/material_settings", "{}") preferences.addPreference("view/invert_zoom", False) self._need_to_show_user_agreement = not Preferences.getInstance().getValue("general/accepted_user_agreement") 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") preferences.setDefault("general/visible_settings", """ machine_settings resolution layer_height shell wall_thickness top_bottom_thickness z_seam_x z_seam_y infill infill_sparse_density gradual_infill_steps material material_print_temperature material_bed_temperature material_diameter material_flow retraction_enable speed speed_print speed_travel acceleration_print acceleration_travel jerk_print jerk_travel travel cooling cool_fan_enabled support support_enable support_extruder_nr support_type platform_adhesion adhesion_type adhesion_extruder_nr brim_width raft_airgap layer_0_z_overlap raft_surface_layers dual prime_tower_enable prime_tower_size prime_tower_position_x prime_tower_position_y meshfix blackmagic print_sequence infill_mesh cutting_mesh experimental """.replace("\n", ";").replace(" ", "")) self.applicationShuttingDown.connect(self.saveSettings) self.engineCreatedSignal.connect(self._onEngineCreated) self.globalContainerStackChanged.connect(self._onGlobalContainerChanged) self._onGlobalContainerChanged() self._plugin_registry.addSupportedPluginExtension("curaplugin", "Cura Plugin") def _onEngineCreated(self): self._engine.addImageProvider("camera", CameraImageProvider.CameraImageProvider()) @pyqtProperty(bool) def needToShowUserAgreement(self): return self._need_to_show_user_agreement def setNeedToShowUserAgreement(self, set_value = True): self._need_to_show_user_agreement = set_value ## The "Quit" button click event handler. @pyqtSlot() def closeApplication(self): Logger.log("i", "Close application") self._main_window.close() ## A reusable dialogbox # showMessageBox = pyqtSignal(str, str, str, str, int, int, arguments = ["title", "text", "informativeText", "detailedText", "buttons", "icon"]) 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): choice = Preferences.getInstance().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") else: # ALWAYS ask whether to keep or discard the profile self.showDiscardOrKeepProfileChanges.emit() @pyqtSlot(str) def discardOrKeepProfileChangesClosed(self, option): if option == "discard": global_stack = self.getGlobalContainerStack() for extruder in ExtruderManager.getInstance().getMachineExtruders(global_stack.getId()): extruder.getTop().clear() global_stack.getTop().clear() @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 = [] showPrintMonitor = pyqtSignal(bool, arguments = ["show"]) ## Cura has multiple locations where instance containers need to be saved, so we need to handle this differently. # # Note that the AutoSave plugin also calls this method. def saveSettings(self): if not self._started: # Do not do saving during application start return # Lock file for "more" atomically loading and saving to/from config dir. with ContainerRegistry.getInstance().lockFile(): for instance in ContainerRegistry.getInstance().findInstanceContainers(): if not instance.isDirty(): continue try: data = instance.serialize() except NotImplementedError: continue except Exception: Logger.logException("e", "An exception occurred when serializing container %s", instance.getId()) continue mime_type = ContainerRegistry.getMimeTypeForContainer(type(instance)) file_name = urllib.parse.quote_plus(instance.getId()) + "." + mime_type.preferredSuffix instance_type = instance.getMetaDataEntry("type") path = None if instance_type == "material": path = Resources.getStoragePath(self.ResourceTypes.MaterialInstanceContainer, file_name) elif instance_type == "quality" or instance_type == "quality_changes": path = Resources.getStoragePath(self.ResourceTypes.QualityInstanceContainer, file_name) elif instance_type == "user": path = Resources.getStoragePath(self.ResourceTypes.UserInstanceContainer, file_name) elif instance_type == "variant": path = Resources.getStoragePath(self.ResourceTypes.VariantInstanceContainer, file_name) elif instance_type == "definition_changes": path = Resources.getStoragePath(self.ResourceTypes.DefinitionChangesContainer, file_name) if path: instance.setPath(path) with SaveFile(path, "wt") as f: f.write(data) for stack in ContainerRegistry.getInstance().findContainerStacks(): self.saveStack(stack) def saveStack(self, stack): if not stack.isDirty(): return try: data = stack.serialize() except NotImplementedError: return except Exception: Logger.logException("e", "An exception occurred when serializing container %s", stack.getId()) return mime_type = ContainerRegistry.getMimeTypeForContainer(type(stack)) file_name = urllib.parse.quote_plus(stack.getId()) + "." + mime_type.preferredSuffix path = None if isinstance(stack, GlobalStack): path = Resources.getStoragePath(self.ResourceTypes.MachineStack, file_name) elif isinstance(stack, ExtruderStack): path = Resources.getStoragePath(self.ResourceTypes.ExtruderStack, file_name) else: path = Resources.getStoragePath(Resources.ContainerStacks, file_name) stack.setPath(path) with SaveFile(path, "wt") as f: f.write(data) @pyqtSlot(str, result = QUrl) def getDefaultPath(self, key): default_path = Preferences.getInstance().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()) @classmethod def getStaticVersion(cls): return CuraVersion ## Handle loading of all plugin types (and the backend explicitly) # \sa PluginRegistery def _loadPlugins(self): self._plugin_registry.addType("profile_reader", self._addProfileReader) self._plugin_registry.addType("profile_writer", self._addProfileWriter) self._plugin_registry.addPluginLocation(os.path.join(QtApplication.getInstallPrefix(), "lib", "cura")) if not hasattr(sys, "frozen"): self._plugin_registry.addPluginLocation(os.path.join(os.path.abspath(os.path.dirname(__file__)), "..", "plugins")) self._plugin_registry.loadPlugin("ConsoleLogger") self._plugin_registry.loadPlugin("CuraEngineBackend") self._plugin_registry.loadPlugins() if self.getBackend() is None: raise RuntimeError("Could not load the backend plugin!") self._plugins_loaded = True @classmethod def addCommandLineOptions(self, parser): super().addCommandLineOptions(parser) parser.add_argument("file", nargs="*", help="Files to load after starting the application.") parser.add_argument("--single-instance", action="store_true", default=False) # Set up a local socket server which listener which coordinates single instances Curas and accepts commands. def _setUpSingleInstanceServer(self): if self.getCommandLineOption("single_instance", False): self.__single_instance_server = QLocalServer() self.__single_instance_server.newConnection.connect(self._singleInstanceServerNewConnection) self.__single_instance_server.listen("ultimaker-cura") def _singleInstanceServerNewConnection(self): Logger.log("i", "New connection recevied on our single-instance server") remote_cura_connection = self.__single_instance_server.nextPendingConnection() if remote_cura_connection is not None: def readCommands(): line = remote_cura_connection.readLine() while len(line) != 0: # There is also a .canReadLine() try: payload = json.loads(str(line, encoding="ASCII").strip()) command = payload["command"] # Command: Remove all models from the build plate. if command == "clear-all": self.deleteAll() # Command: Load a model file elif command == "open": self._openFile(payload["filePath"]) # WARNING ^ this method is async and we really should wait until # the file load is complete before processing more commands. # Command: Activate the window and bring it to the top. elif command == "focus": # Operating systems these days prevent windows from moving around by themselves. # 'alert' or flashing the icon in the taskbar is the best thing we do now. self.getMainWindow().alert(0) # Command: Close the socket connection. We're done. elif command == "close-connection": remote_cura_connection.close() else: Logger.log("w", "Received an unrecognized command " + str(command)) except json.decoder.JSONDecodeError as ex: Logger.log("w", "Unable to parse JSON command in _singleInstanceServerNewConnection(): " + repr(ex)) line = remote_cura_connection.readLine() remote_cura_connection.readyRead.connect(readCommands) ## Perform any checks before creating the main application. # # This should be called directly before creating an instance of CuraApplication. # \returns \type{bool} True if the whole Cura app should continue running. @classmethod def preStartUp(cls): # Peek the arguments and look for the 'single-instance' flag. parser = argparse.ArgumentParser(prog="cura") # pylint: disable=bad-whitespace CuraApplication.addCommandLineOptions(parser) parsed_command_line = vars(parser.parse_args()) if "single_instance" in parsed_command_line and parsed_command_line["single_instance"]: Logger.log("i", "Checking for the presence of an ready running Cura instance.") single_instance_socket = QLocalSocket() Logger.log("d", "preStartUp(): full server name: " + single_instance_socket.fullServerName()) single_instance_socket.connectToServer("ultimaker-cura") single_instance_socket.waitForConnected() if single_instance_socket.state() == QLocalSocket.ConnectedState: Logger.log("i", "Connection has been made to the single-instance Cura socket.") # Protocol is one line of JSON terminated with a carriage return. # "command" field is required and holds the name of the command to execute. # Other fields depend on the command. payload = {"command": "clear-all"} single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding="ASCII")) payload = {"command": "focus"} single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding="ASCII")) if len(parsed_command_line["file"]) != 0: for filename in parsed_command_line["file"]: payload = {"command": "open", "filePath": filename} single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding="ASCII")) payload = {"command": "close-connection"} single_instance_socket.write(bytes(json.dumps(payload) + "\n", encoding="ASCII")) single_instance_socket.flush() single_instance_socket.waitForDisconnected() return False return True def run(self): self.showSplashMessage(self._i18n_catalog.i18nc("@info:progress", "Setting up scene...")) self._setUpSingleInstanceServer() controller = self.getController() controller.setActiveView("SolidView") controller.setCameraTool("CameraTool") controller.setSelectionTool("SelectionTool") t = controller.getTool("TranslateTool") if t: t.setEnabledAxis([ToolHandle.XAxis, ToolHandle.YAxis,ToolHandle.ZAxis]) Selection.selectionChanged.connect(self.onSelectionChanged) root = controller.getScene().getRoot() # The platform is a child of BuildVolume self._volume = BuildVolume.BuildVolume(root) # Set the build volume of the arranger to the used build volume Arrange.build_volume = self._volume self.getRenderer().setBackgroundColor(QColor(245, 245, 245)) self._physics = PlatformPhysics.PlatformPhysics(controller, self._volume) camera = Camera("3d", root) camera.setPosition(Vector(-80, 250, 700)) camera.setPerspective(True) camera.lookAt(Vector(0, 0, 0)) controller.getScene().setActiveCamera("3d") camera_tool = self.getController().getTool("CameraTool") camera_tool.setOrigin(Vector(0, 100, 0)) camera_tool.setZoomRange(0.1, 200000) self._camera_animation = CameraAnimation.CameraAnimation() self._camera_animation.setCameraTool(self.getController().getTool("CameraTool")) self.showSplashMessage(self._i18n_catalog.i18nc("@info:progress", "Loading interface...")) # Initialise extruder so as to listen to global container stack changes before the first global container stack is set. ExtruderManager.getInstance() qmlRegisterSingletonType(MachineManager, "Cura", 1, 0, "MachineManager", self.getMachineManager) qmlRegisterSingletonType(MaterialManager, "Cura", 1, 0, "MaterialManager", self.getMaterialManager) qmlRegisterSingletonType(SettingInheritanceManager, "Cura", 1, 0, "SettingInheritanceManager", self.getSettingInheritanceManager) qmlRegisterSingletonType(MachineActionManager.MachineActionManager, "Cura", 1, 0, "MachineActionManager", self.getMachineActionManager) self.setMainQml(Resources.getPath(self.ResourceTypes.QmlFiles, "Cura.qml")) self._qml_import_paths.append(Resources.getPath(self.ResourceTypes.QmlFiles)) self.initializeEngine() if self._engine.rootObjects: self.closeSplash() for file in self.getCommandLineOption("file", []): self._openFile(file) for file_name in self._open_file_queue: #Open all the files that were queued up while plug-ins were loading. self._openFile(file_name) self._started = True self.exec_() def getMachineManager(self, *args): if self._machine_manager is None: self._machine_manager = MachineManager.createMachineManager() return self._machine_manager def getMaterialManager(self, *args): if self._material_manager is None: self._material_manager = MaterialManager.createMaterialManager() return self._material_manager def getSettingInheritanceManager(self, *args): if self._setting_inheritance_manager is None: self._setting_inheritance_manager = SettingInheritanceManager.createSettingInheritanceManager() return self._setting_inheritance_manager ## 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. def getMachineActionManager(self, *args): return self._machine_action_manager ## Handle Qt events def event(self, event): 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) ## Get print information (duration / material used) def getPrintInformation(self): return self._print_information ## Registers objects for the QML engine to use. # # \param engine The QML engine. def registerObjects(self, engine): super().registerObjects(engine) engine.rootContext().setContextProperty("Printer", self) engine.rootContext().setContextProperty("CuraApplication", self) self._print_information = PrintInformation.PrintInformation() engine.rootContext().setContextProperty("PrintInformation", self._print_information) self._cura_actions = CuraActions.CuraActions(self) engine.rootContext().setContextProperty("CuraActions", self._cura_actions) qmlRegisterUncreatableType(CuraApplication, "Cura", 1, 0, "ResourceTypes", "Just an Enum type") qmlRegisterType(ExtrudersModel, "Cura", 1, 0, "ExtrudersModel") qmlRegisterType(ContainerSettingsModel, "Cura", 1, 0, "ContainerSettingsModel") qmlRegisterSingletonType(ProfilesModel, "Cura", 1, 0, "ProfilesModel", ProfilesModel.createProfilesModel) qmlRegisterType(MaterialsModel, "Cura", 1, 0, "MaterialsModel") qmlRegisterType(QualityAndUserProfilesModel, "Cura", 1, 0, "QualityAndUserProfilesModel") qmlRegisterType(UserProfilesModel, "Cura", 1, 0, "UserProfilesModel") qmlRegisterType(MaterialSettingsVisibilityHandler, "Cura", 1, 0, "MaterialSettingsVisibilityHandler") qmlRegisterType(QualitySettingsModel, "Cura", 1, 0, "QualitySettingsModel") qmlRegisterType(MachineNameValidator, "Cura", 1, 0, "MachineNameValidator") qmlRegisterType(UserChangesModel, "Cura", 1, 1, "UserChangesModel") qmlRegisterSingletonType(ContainerManager, "Cura", 1, 0, "ContainerManager", ContainerManager.createContainerManager) # 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") engine.rootContext().setContextProperty("ExtruderManager", ExtruderManager.getInstance()) 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) 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 Preferences.getInstance().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() def _onGlobalContainerChanged(self): if self._global_container_stack is not None: machine_file_formats = [file_type.strip() for file_type in self._global_container_stack.getMetaDataEntry("file_formats").split(";")] new_preferred_mimetype = "" if machine_file_formats: new_preferred_mimetype = machine_file_formats[0] if new_preferred_mimetype != self._preferred_mimetype: self._preferred_mimetype = new_preferred_mimetype self.preferredOutputMimetypeChanged.emit() requestAddPrinter = pyqtSignal() activityChanged = pyqtSignal() sceneBoundingBoxChanged = pyqtSignal() preferredOutputMimetypeChanged = pyqtSignal() @pyqtProperty(bool, notify = activityChanged) def platformActivity(self): return self._platform_activity @pyqtProperty(str, notify=preferredOutputMimetypeChanged) def preferredOutputMimetype(self): return self._preferred_mimetype @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 updatePlatformActivity(self, node = None): count = 0 scene_bounding_box = None is_block_slicing_node = False for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or (not node.getMeshData() and not node.callDecoration("getLayerData")): continue if node.callDecoration("isBlockSlicing"): is_block_slicing_node = True count += 1 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() print_information = self.getPrintInformation() if print_information: print_information.setPreSliced(is_block_slicing_node) if not scene_bounding_box: scene_bounding_box = AxisAlignedBox.Null if repr(self._scene_bounding_box) != repr(scene_bounding_box) and scene_bounding_box.isValid(): self._scene_bounding_box = scene_bounding_box self.sceneBoundingBoxChanged.emit() self._platform_activity = True if count > 0 else False self.activityChanged.emit() # Remove all selected objects from the scene. @pyqtSlot() @deprecated("Moved to CuraActions", "2.6") def deleteSelection(self): if not self.getController().getToolsEnabled(): return removed_group_nodes = [] op = GroupedOperation() nodes = Selection.getAllSelectedObjects() for node in nodes: op.addOperation(RemoveSceneNodeOperation(node)) group_node = node.getParent() if group_node and group_node.callDecoration("isGroup") and group_node not in removed_group_nodes: remaining_nodes_in_group = list(set(group_node.getChildren()) - set(nodes)) if len(remaining_nodes_in_group) == 1: removed_group_nodes.append(group_node) op.addOperation(SetParentOperation(remaining_nodes_in_group[0], group_node.getParent())) op.addOperation(RemoveSceneNodeOperation(group_node)) op.push() ## Remove an object from the scene. # Note that this only removes an object if it is selected. @pyqtSlot("quint64") @deprecated("Use deleteSelection instead", "2.6") def deleteObject(self, object_id): if not self.getController().getToolsEnabled(): return node = self.getController().getScene().findObject(object_id) if not node and object_id != 0: # Workaround for tool handles overlapping the selected object node = Selection.getSelectedObject(0) if node: op = GroupedOperation() op.addOperation(RemoveSceneNodeOperation(node)) group_node = node.getParent() if group_node: # Note that at this point the node has not yet been deleted if len(group_node.getChildren()) <= 2 and group_node.callDecoration("isGroup"): op.addOperation(SetParentOperation(group_node.getChildren()[0], group_node.getParent())) op.addOperation(RemoveSceneNodeOperation(group_node)) op.push() ## Create a number of copies of existing object. # \param object_id # \param count number of copies # \param min_offset minimum offset to other objects. @pyqtSlot("quint64", int) @deprecated("Use CuraActions::multiplySelection", "2.6") def multiplyObject(self, object_id, count, min_offset = 8): node = self.getController().getScene().findObject(object_id) if not node: node = Selection.getSelectedObject(0) while node.getParent() and node.getParent().callDecoration("isGroup"): node = node.getParent() job = MultiplyObjectsJob([node], count, min_offset) job.start() return ## Center object on platform. @pyqtSlot("quint64") @deprecated("Use CuraActions::centerSelection", "2.6") def centerObject(self, object_id): node = self.getController().getScene().findObject(object_id) if not node and object_id != 0: # Workaround for tool handles overlapping the selected object node = Selection.getSelectedObject(0) if not node: return if node.getParent() and node.getParent().callDecoration("isGroup"): node = node.getParent() if node: op = SetTransformOperation(node, Vector()) op.push() ## Select all nodes containing mesh data in the scene. @pyqtSlot() def selectAll(self): if not self.getController().getToolsEnabled(): return Selection.clear() for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not 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 Selection.add(node) ## Delete all nodes containing mesh data in the scene. @pyqtSlot() def deleteAll(self): Logger.log("i", "Clearing scene") if not self.getController().getToolsEnabled(): return nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode: 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 node.getParent() and node.getParent().callDecoration("isGroup"): continue # Grouped nodes don't need resetting as their parent (the group) is resetted) nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: op.addOperation(RemoveSceneNodeOperation(node)) op.push() Selection.clear() ## Reset all translation on nodes with mesh data. @pyqtSlot() def resetAllTranslation(self): Logger.log("i", "Resetting all scene translations") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not 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() ## Reset all transformations on nodes with mesh data. @pyqtSlot() def resetAll(self): Logger.log("i", "Resetting all scene transformations") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not 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), Quaternion(), Vector(1, 1, 1))) op.push() ## Arrange all objects. @pyqtSlot() def arrangeAll(self): nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not 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 # Skip nodes that are too big if node.getBoundingBox().width < self._volume.getBoundingBox().width or node.getBoundingBox().depth < self._volume.getBoundingBox().depth: nodes.append(node) self.arrange(nodes, fixed_nodes = []) ## Arrange Selection @pyqtSlot() def arrangeSelection(self): nodes = Selection.getAllSelectedObjects() # What nodes are on the build plate and are not being moved fixed_nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not 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 if node in nodes: # exclude selected node from fixed_nodes continue fixed_nodes.append(node) self.arrange(nodes, fixed_nodes) ## 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 def arrange(self, nodes, fixed_nodes): job = ArrangeObjectsJob(nodes, fixed_nodes) job.start() ## Reload all mesh data on the screen from file. @pyqtSlot() def reloadAll(self): Logger.log("i", "Reloading all loaded mesh data.") nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue nodes.append(node) if not nodes: return for node in nodes: file_name = node.getMeshData().getFileName() if file_name: job = ReadMeshJob(file_name) job._node = node job.finished.connect(self._reloadMeshFinished) job.start() else: Logger.log("w", "Unable to reload data because we don't have a filename.") ## Get logging data of the backend engine # \returns \type{string} Logging data @pyqtSlot(result = str) def getEngineLog(self): log = "" for entry in self.getBackend().getLog(): log += entry.decode() return log @pyqtSlot("QStringList") def setExpandedCategories(self, categories): categories = list(set(categories)) categories.sort() joined = ";".join(categories) if joined != Preferences.getInstance().getValue("cura/categories_expanded"): Preferences.getInstance().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(";") @pyqtSlot() def mergeSelected(self): self.groupSelected() try: group_node = Selection.getAllSelectedObjects()[0] except Exception as e: Logger.log("d", "mergeSelected: Exception:", 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 and len(object_centers) > 0: 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): # Create a group-node group_node = SceneNode() group_decorator = GroupDecorator() group_node.addDecorator(group_decorator) group_node.addDecorator(ConvexHullDecorator()) group_node.setParent(self.getController().getScene().getRoot()) group_node.setSelectable(True) center = Selection.getSelectionCenter() group_node.setPosition(center) group_node.setCenterPosition(center) # 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): 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: # 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): return CuraSplashScreen.CuraSplashScreen() def _onActiveMachineChanged(self): pass fileLoaded = pyqtSignal(str) def _reloadMeshFinished(self, job): # TODO; This needs to be fixed properly. We now make the assumption that we only load a single mesh! mesh_data = job.getResult()[0].getMeshData() if mesh_data: job._node.setMeshData(mesh_data) else: Logger.log("w", "Could not find a mesh in reloaded node.") 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): self.getMainWindow().setMinimumSize(size) def getBuildVolume(self): return self._volume additionalComponentsChanged = pyqtSignal(str, arguments = ["areaId"]) @pyqtProperty("QVariantMap", notify = additionalComponentsChanged) def additionalComponents(self): return self._additional_components ## 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 \type{str} Identifying name of the area to which the component should be reparented # \param component \type{QQuickComponent} The component that should be reparented @pyqtSlot(str, "QVariant") def addAdditionalComponent(self, area_id, component): 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) @pyqtSlot(QUrl) def readLocalFile(self, file): if not file.isValid(): return scene = self.getController().getScene() for node in DepthFirstIterator(scene.getRoot()): if node.callDecoration("isBlockSlicing"): self.deleteAll() break f = file.toLocalFile() extension = os.path.splitext(f)[1] filename = os.path.basename(f) if len(self._currently_loading_files) > 0: # If a non-slicable file is already being loaded, we prevent loading of any further non-slicable files if extension.lower() 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] if extension.lower() 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() job = ReadMeshJob(f) job.finished.connect(self._readMeshFinished) job.start() def _readMeshFinished(self, job): nodes = job.getResult() filename = job.getFileName() self._currently_loading_files.remove(filename) root = self.getController().getScene().getRoot() arranger = Arrange.create(scene_root = root) min_offset = 8 self.fileLoaded.emit(filename) for node in nodes: node.setSelectable(True) node.setName(os.path.basename(filename)) extension = os.path.splitext(filename)[1] if extension.lower() in self._non_sliceable_extensions: self.getController().setActiveView("LayerView") view = self.getController().getActiveView() view.resetLayerData() view.setLayer(9999999) view.calculateMaxLayers() 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 node.callDecoration("isSliceable"): # Only check position if it's not already blatantly obvious that it won't fit. if node.getBoundingBox().width < self._volume.getBoundingBox().width or node.getBoundingBox().depth < self._volume.getBoundingBox().depth: # Find node location offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(node, min_offset = min_offset) # If a model is to small then it will not contain any points if offset_shape_arr is None and hull_shape_arr is None: return # Step is for skipping tests to make it a lot faster. it also makes the outcome somewhat rougher node, _ = arranger.findNodePlacement(node, offset_shape_arr, hull_shape_arr, step = 10) op = AddSceneNodeOperation(node, scene.getRoot()) op.push() scene.sceneChanged.emit(node) 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. """ try: 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 result = workspace_reader.preRead(file_path, show_dialog=False) return result == WorkspaceReader.PreReadResult.accepted except Exception as e: Logger.log("e", "Could not check file %s: %s", file_url, e) 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 not Selection.hasSelection(): node = self.getController().getScene().findObject(self.getRenderer().getRenderPass("selection").getIdAtPosition(x, y)) if node: while(node.getParent() and node.getParent().callDecoration("isGroup")): node = node.getParent() Selection.add(node)