# Copyright (c) 2015 Ultimaker B.V. # Cura is released under the terms of the AGPLv3 or higher. 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.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.JobQueue import JobQueue from UM.SaveFile import SaveFile from UM.Scene.Selection import Selection from UM.Scene.GroupDecorator import GroupDecorator from UM.Settings.Validator import Validator 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 UM.Operations.TranslateOperation import TranslateOperation from cura.SetParentOperation import SetParentOperation from UM.Settings.SettingDefinition import SettingDefinition, DefinitionPropertyType from UM.Settings.ContainerRegistry import ContainerRegistry from UM.Settings.SettingFunction import SettingFunction from UM.i18n import i18nCatalog 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 import cura.Settings from PyQt5.QtCore import pyqtSlot, QUrl, pyqtSignal, pyqtProperty, QEvent, Q_ENUMS from PyQt5.QtGui import QColor, QIcon from PyQt5.QtWidgets import QMessageBox from PyQt5.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType from contextlib import contextmanager import sys import os.path import numpy import copy import urllib import os import time CONFIG_LOCK_FILENAME = "cura.lock" ## Contextmanager to create a lock file and remove it afterwards. @contextmanager def lockFile(filename): try: with open(filename, 'w') as lock_file: lock_file.write("Lock file - Cura is currently writing") except: Logger.log("e", "Could not create lock file [%s]" % filename) yield try: if os.path.exists(filename): os.remove(filename) except: Logger.log("e", "Could not delete lock file [%s]" % filename) ## Wait for a lock file to disappear # the maximum allowable age is settable; if the file is too old, it will be ignored too def waitFileDisappear(filename, max_age_seconds=10, msg=""): now = time.time() while os.path.exists(filename) and now < os.path.getmtime(filename) + max_age_seconds and now > os.path.getmtime(filename): if msg: Logger.log("d", msg) time.sleep(1) now = time.time() numpy.seterr(all="ignore") try: from cura.CuraVersion import CuraVersion, CuraBuildType except ImportError: CuraVersion = "master" # [CodeStyle: Reflecting imported value] CuraBuildType = "" class CuraApplication(QtApplication): 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 Q_ENUMS(ResourceTypes) def __init__(self): 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") # 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) SettingDefinition.addSettingType("extruder", None, str, Validator) SettingFunction.registerOperator("extruderValues", cura.Settings.ExtruderManager.getExtruderValues) SettingFunction.registerOperator("extruderValue", cura.Settings.ExtruderManager.getExtruderValue) SettingFunction.registerOperator("resolveOrValue", cura.Settings.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") 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) ## 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", UM.Settings.InstanceContainer.Version): (self.ResourceTypes.QualityInstanceContainer, "application/x-uranium-instancecontainer"), ("machine_stack", UM.Settings.ContainerStack.Version): (self.ResourceTypes.MachineStack, "application/x-uranium-containerstack"), ("preferences", UM.Preferences.Version): (Resources.Preferences, "application/x-uranium-preferences"), ("user", UM.Settings.InstanceContainer.Version): (self.ResourceTypes.UserInstanceContainer, "application/x-uranium-instancecontainer") } ) self._machine_action_manager = MachineActionManager.MachineActionManager() self._machine_manager = None # This is initialized on demand. 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) self.setWindowIcon(QIcon(Resources.getPath(Resources.Images, "cura-icon.png"))) self.setRequiredPlugins([ "CuraEngineBackend", "MeshView", "LayerView", "STLReader", "SelectionTool", "CameraTool", "GCodeWriter", "LocalFileOutputDevice" ]) 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._i18n_catalog = i18nCatalog("cura") self.getController().getScene().sceneChanged.connect(self.updatePlatformActivity) self.getController().toolOperationStopped.connect(self._onToolOperationStopped) 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) # Set the filename to create if cura is writing in the config dir. self._config_lock_filename = os.path.join(Resources.getConfigStoragePath(), CONFIG_LOCK_FILENAME) self.waitConfigLockFile() ContainerRegistry.getInstance().load() Preferences.getInstance().addPreference("cura/active_mode", "simple") Preferences.getInstance().addPreference("cura/recent_files", "") Preferences.getInstance().addPreference("cura/categories_expanded", "") Preferences.getInstance().addPreference("cura/jobname_prefix", True) Preferences.getInstance().addPreference("view/center_on_select", True) Preferences.getInstance().addPreference("mesh/scale_to_fit", True) Preferences.getInstance().addPreference("mesh/scale_tiny_meshes", True) for key in [ "dialog_load_path", # dialog_save_path is in LocalFileOutputDevicePlugin "dialog_profile_path", "dialog_material_path"]: Preferences.getInstance().addPreference("local_file/%s" % key, os.path.expanduser("~/")) Preferences.getInstance().setDefault("local_file/last_used_type", "text/x-gcode") Preferences.getInstance().setDefault("general/visible_settings", """ machine_settings resolution layer_height shell wall_thickness top_bottom_thickness infill infill_sparse_density 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 support_interface_density 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 experimental """.replace("\n", ";").replace(" ", "")) JobQueue.getInstance().jobFinished.connect(self._onJobFinished) self.applicationShuttingDown.connect(self.saveSettings) self.engineCreatedSignal.connect(self._onEngineCreated) self._recent_files = [] files = Preferences.getInstance().getValue("cura/recent_files").split(";") for f in files: if not os.path.isfile(f): continue self._recent_files.append(QUrl.fromLocalFile(f)) ## Lock file check: if (another) Cura is writing in the Config dir. # one may not be able to read a valid set of files while writing. Not entirely fool-proof, # but works when you start Cura shortly after shutting down. def waitConfigLockFile(self): waitFileDisappear(self._config_lock_filename, max_age_seconds=10, msg="Waiting for Cura to finish writing in the config dir...") def _onEngineCreated(self): self._engine.addImageProvider("camera", CameraImageProvider.CameraImageProvider()) ## 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) @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 self.waitConfigLockFile() # When starting Cura, we check for the lockFile which is created and deleted here with lockFile(self._config_lock_filename): 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) 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 stack_type = stack.getMetaDataEntry("type", None) path = None if not stack_type or stack_type == "machine": path = Resources.getStoragePath(self.ResourceTypes.MachineStack, file_name) elif stack_type == "extruder_train": path = Resources.getStoragePath(self.ResourceTypes.ExtruderStack, file_name) if path: 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, default_path) ## 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() == None: raise RuntimeError("Could not load the backend plugin!") self._plugins_loaded = True def addCommandLineOptions(self, parser): super().addCommandLineOptions(parser) parser.add_argument("file", nargs="*", help="Files to load after starting the application.") parser.add_argument("--debug", dest="debug-mode", action="store_true", default=False, help="Enable detailed crash reports.") def run(self): self.showSplashMessage(self._i18n_catalog.i18nc("@info:progress", "Setting up scene...")) 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) 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") self.getController().getTool("CameraTool").setOrigin(Vector(0, 100, 0)) 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. cura.Settings.ExtruderManager.getInstance() qmlRegisterSingletonType(cura.Settings.MachineManager, "Cura", 1, 0, "MachineManager", self.getMachineManager) qmlRegisterSingletonType(cura.Settings.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 = cura.Settings.MachineManager.createMachineManager() return self._machine_manager def getSettingInheritanceManager(self, *args): if self._setting_inheritance_manager is None: self._setting_inheritance_manager = cura.Settings.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): 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(cura.Settings.ExtrudersModel, "Cura", 1, 0, "ExtrudersModel") qmlRegisterType(cura.Settings.ContainerSettingsModel, "Cura", 1, 0, "ContainerSettingsModel") qmlRegisterSingletonType(cura.Settings.ProfilesModel, "Cura", 1, 0, "ProfilesModel", cura.Settings.ProfilesModel.createProfilesModel) qmlRegisterType(cura.Settings.QualityAndUserProfilesModel, "Cura", 1, 0, "QualityAndUserProfilesModel") qmlRegisterType(cura.Settings.UserProfilesModel, "Cura", 1, 0, "UserProfilesModel") qmlRegisterType(cura.Settings.MaterialSettingsVisibilityHandler, "Cura", 1, 0, "MaterialSettingsVisibilityHandler") qmlRegisterType(cura.Settings.QualitySettingsModel, "Cura", 1, 0, "QualitySettingsModel") qmlRegisterType(cura.Settings.MachineNameValidator, "Cura", 1, 0, "MachineNameValidator") qmlRegisterSingletonType(cura.Settings.ContainerManager, "Cura", 1, 0, "ContainerManager", cura.Settings.ContainerManager.createContainerManager) qmlRegisterSingletonType(QUrl.fromLocalFile(Resources.getPath(CuraApplication.ResourceTypes.QmlFiles, "Actions.qml")), "Cura", 1, 0, "Actions") engine.rootContext().setContextProperty("ExtruderManager", cura.Settings.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 qmlRegisterType(QUrl.fromLocalFile(path), "Cura", 1, 0, type_name) def onSelectionChanged(self): if Selection.hasSelection(): if not self.getController().getActiveTool(): if self._previous_active_tool: self.getController().setActiveTool(self._previous_active_tool) self._previous_active_tool = None else: 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: 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() requestAddPrinter = pyqtSignal() activityChanged = pyqtSignal() sceneBoundingBoxChanged = pyqtSignal() @pyqtProperty(bool, notify = activityChanged) def getPlatformActivity(self): return self._platform_activity @pyqtProperty(str, notify = sceneBoundingBoxChanged) def getSceneBoundingBoxString(self): return self._i18n_catalog.i18nc("@info", "%(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 for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue 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() 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() # Remove all selected objects from the scene. @pyqtSlot() 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") 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. @pyqtSlot("quint64", int) def multiplyObject(self, object_id, count): 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: current_node = node # Find the topmost group while current_node.getParent() and current_node.getParent().callDecoration("isGroup"): current_node = current_node.getParent() new_node = copy.deepcopy(current_node) op = GroupedOperation() for _ in range(count): op.addOperation(AddSceneNodeOperation(new_node, current_node.getParent())) op.push() ## Center object on platform. @pyqtSlot("quint64") 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) 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("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) nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: # Ensure that the object is above the build platform node.removeDecorator(ZOffsetDecorator.ZOffsetDecorator) op.addOperation(SetTransformOperation(node, Vector(0, node.getWorldPosition().y - node.getBoundingBox().bottom, 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) nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: # Ensure that the object is above the build platform node.removeDecorator(ZOffsetDecorator.ZOffsetDecorator) center_y = 0 if node.callDecoration("isGroup"): center_y = node.getWorldPosition().y - node.getBoundingBox().bottom else: center_y = node.getMeshData().getCenterPosition().y op.addOperation(SetTransformOperation(node, Vector(0, center_y, 0), Quaternion(), Vector(1, 1, 1))) op.push() ## 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 recentFilesChanged = pyqtSignal() @pyqtProperty("QVariantList", notify = recentFilesChanged) def recentFiles(self): return self._recent_files @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 # Compute the center of the objects when their origins are aligned. object_centers = [node.getMeshData().getCenterPosition().scale(node.getScale()) for node in group_node.getChildren() if node.getMeshData()] 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 center, node in zip(object_centers, group_node.getChildren()): # Align the object and also apply the offset to center it inside the group. node.setPosition(center - 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.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 _onFileLoaded(self, job): node = job.getResult() if node != None: self.fileLoaded.emit(job.getFileName()) node.setSelectable(True) node.setName(os.path.basename(job.getFileName())) op = AddSceneNodeOperation(node, self.getController().getScene().getRoot()) op.push() self.getController().getScene().sceneChanged.emit(node) #Force scene change. def _onJobFinished(self, job): if type(job) is not ReadMeshJob or not job.getResult(): return f = QUrl.fromLocalFile(job.getFileName()) if f in self._recent_files: self._recent_files.remove(f) self._recent_files.insert(0, f) if len(self._recent_files) > 10: del self._recent_files[10] pref = "" for path in self._recent_files: pref += path.toLocalFile() + ";" Preferences.getInstance().setValue("cura/recent_files", pref) self.recentFilesChanged.emit() 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().getMeshData() if mesh_data: job._node.setMeshData(mesh_data) else: Logger.log("w", "Could not find a mesh in reloaded node.") def _openFile(self, file): job = ReadMeshJob(os.path.abspath(file)) job.finished.connect(self._onFileLoaded) job.start() 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)