# 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.Scene.Platform import Platform from UM.Math.Vector import Vector from UM.Math.Matrix import Matrix from UM.Math.Quaternion import Quaternion from UM.Resources import Resources from UM.Scene.ToolHandle import ToolHandle from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator from UM.Mesh.WriteMeshJob import WriteMeshJob from UM.Mesh.ReadMeshJob import ReadMeshJob from UM.Logger import Logger from UM.Preferences import Preferences from UM.Message import Message from UM.PluginRegistry import PluginRegistry from UM.JobQueue import JobQueue from UM.Math.Polygon import Polygon from UM.Scene.BoxRenderer import BoxRenderer from UM.Scene.Selection import Selection from UM.Scene.GroupDecorator import GroupDecorator 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.i18n import i18nCatalog from . import PlatformPhysics from . import BuildVolume from . import CameraAnimation from . import PrintInformation from . import CuraActions from . import MultiMaterialDecorator from PyQt5.QtCore import pyqtSlot, QUrl, Qt, pyqtSignal, pyqtProperty from PyQt5.QtGui import QColor, QIcon import platform import sys import os import os.path import configparser import numpy numpy.seterr(all="ignore") class CuraApplication(QtApplication): def __init__(self): Resources.addResourcePath(os.path.join(QtApplication.getInstallPrefix(), "share", "cura")) if not hasattr(sys, "frozen"): Resources.addResourcePath(os.path.join(os.path.abspath(os.path.dirname(__file__)), "..")) super().__init__(name = "cura", version = "master") self.setWindowIcon(QIcon(Resources.getPath(Resources.ImagesLocation, "cura-icon.png"))) self.setRequiredPlugins([ "CuraEngineBackend", "MeshView", "LayerView", "STLReader", "SelectionTool", "CameraTool", "GCodeWriter", "LocalFileStorage" ]) self._physics = None self._volume = None self._platform = None self._output_devices = {} self._print_information = None self._i18n_catalog = None self._previous_active_tool = None self._platform_activity = False self.activeMachineChanged.connect(self._onActiveMachineChanged) Preferences.getInstance().addPreference("cura/active_machine", "") Preferences.getInstance().addPreference("cura/active_mode", "simple") Preferences.getInstance().addPreference("cura/recent_files", "") Preferences.getInstance().addPreference("cura/categories_expanded", "") JobQueue.getInstance().jobFinished.connect(self._onJobFinished) 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)) ## Handle loading of all plugin types (and the backend explicitly) # \sa PluginRegistery def _loadPlugins(self): 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.loadPlugins({ "type": "logger"}) self._plugin_registry.loadPlugins({ "type": "storage_device" }) self._plugin_registry.loadPlugins({ "type": "view" }) self._plugin_registry.loadPlugins({ "type": "mesh_reader" }) self._plugin_registry.loadPlugins({ "type": "mesh_writer" }) self._plugin_registry.loadPlugins({ "type": "tool" }) self._plugin_registry.loadPlugins({ "type": "extension" }) self._plugin_registry.loadPlugin("CuraEngineBackend") def addCommandLineOptions(self, parser): super().addCommandLineOptions(parser) parser.add_argument("file", nargs="*", help="Files to load after starting the application.") def run(self): self._i18n_catalog = i18nCatalog("cura"); self.addOutputDevice("local_file", { "id": "local_file", "function": self._writeToLocalFile, "description": self._i18n_catalog.i18nc("Save button tooltip", "Save to Disk"), "shortDescription": self._i18n_catalog.i18nc("Save button tooltip", "Save to Disk"), "icon": "save", "priority": 0 }) self.showSplashMessage(self._i18n_catalog.i18nc("Splash screen message", "Setting up scene...")) controller = self.getController() controller.setActiveView("MeshView") controller.setCameraTool("CameraTool") controller.setSelectionTool("SelectionTool") t = controller.getTool("TranslateTool") if t: t.setEnabledAxis([ToolHandle.XAxis, ToolHandle.ZAxis]) Selection.selectionChanged.connect(self.onSelectionChanged) root = controller.getScene().getRoot() self._platform = Platform(root) self._volume = BuildVolume.BuildVolume(root) self.getRenderer().setLightPosition(Vector(0, 150, 0)) self.getRenderer().setBackgroundColor(QColor(245, 245, 245)) self._physics = PlatformPhysics.PlatformPhysics(controller, self._volume) camera = Camera("3d", root) camera.setPosition(Vector(-150, 150, 300)) camera.setPerspective(True) camera.lookAt(Vector(0, 0, 0)) self._camera_animation = CameraAnimation.CameraAnimation() self._camera_animation.setCameraTool(self.getController().getTool("CameraTool")) controller.getScene().setActiveCamera("3d") self.showSplashMessage(self._i18n_catalog.i18nc("Splash screen message", "Loading interface...")) self.setMainQml(Resources.getPath(Resources.QmlFilesLocation, "Cura.qml")) self.initializeEngine() self.getStorageDevice("LocalFileStorage").removableDrivesChanged.connect(self._removableDrivesChanged) if self.getMachines(): active_machine_pref = Preferences.getInstance().getValue("cura/active_machine") if active_machine_pref: for machine in self.getMachines(): if machine.getName() == active_machine_pref: self.setActiveMachine(machine) if not self.getActiveMachine(): self.setActiveMachine(self.getMachines()[0]) else: self.requestAddPrinter.emit() self._removableDrivesChanged() if self._engine.rootObjects: self.closeSplash() for file in self.getCommandLineOption("file", []): job = ReadMeshJob(os.path.abspath(file)) job.finished.connect(self._onFileLoaded) job.start() self.exec_() def registerObjects(self, engine): engine.rootContext().setContextProperty("Printer", 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) 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") self._camera_animation.setStart(self.getController().getTool("CameraTool").getOrigin()) self._camera_animation.setTarget(Selection.getSelectedObject(0).getWorldPosition()) self._camera_animation.start() else: if self.getController().getActiveTool(): self._previous_active_tool = self.getController().getActiveTool().getPluginId() self.getController().setActiveTool(None) else: self._previous_active_tool = None requestAddPrinter = pyqtSignal() activityChanged = pyqtSignal() @pyqtProperty(bool, notify = activityChanged) def getPlatformActivity(self): return self._platform_activity @pyqtSlot(bool) def setPlatformActivity(self, activity): ##Sets the _platform_activity variable on true or false depending on whether there is a mesh on the platform if activity == True: self._platform_activity = activity elif activity == False: nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue nodes.append(node) i = 0 for node in nodes: if not node.getMeshData(): continue i += 1 if i <= 1: ## i == 0 when the meshes are removed using the deleteAll function; i == 1 when the last remaining mesh is removed using the deleteObject function self._platform_activity = activity self.activityChanged.emit() ## Remove an object from the scene @pyqtSlot("quint64") def deleteObject(self, object_id): object = self.getController().getScene().findObject(object_id) if not object and object_id != 0: #Workaround for tool handles overlapping the selected object object = Selection.getSelectedObject(0) if object: if object.getParent(): group_node = object.getParent() if not group_node.callDecoration("isGroup"): op = RemoveSceneNodeOperation(object) else: while group_node.getParent().callDecoration("isGroup"): group_node = group_node.getParent() op = RemoveSceneNodeOperation(group_node) op.push() self.setPlatformActivity(False) ## 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: op = GroupedOperation() for i in range(count): new_node = SceneNode() new_node.setMeshData(node.getMeshData()) new_node.setScale(node.getScale()) new_node.translate(Vector((i + 1) * node.getBoundingBox().width, 0, 0)) new_node.setSelectable(True) op.addOperation(AddSceneNodeOperation(new_node, 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 node: op = SetTransformOperation(node, Vector()) op.push() ## Delete all mesh data on the scene. @pyqtSlot() def deleteAll(self): nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: op.addOperation(RemoveSceneNodeOperation(node)) op.push() self.setPlatformActivity(False) ## Reset all translation on nodes with mesh data. @pyqtSlot() def resetAllTranslation(self): nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: op.addOperation(SetTransformOperation(node, Vector())) op.push() ## Reset all transformations on nodes with mesh data. @pyqtSlot() def resetAll(self): nodes = [] for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue nodes.append(node) if nodes: op = GroupedOperation() for node in nodes: op.addOperation(SetTransformOperation(node, Vector(), Quaternion(), Vector(1, 1, 1))) op.push() ## Reload all mesh data on the screen from file. @pyqtSlot() def reloadAll(self): 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: if not node.getMeshData(): continue file_name = node.getMeshData().getFileName() if file_name: job = ReadMeshJob(file_name) job._node = node job.finished.connect(self._reloadMeshFinished) job.start() ## 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(";") outputDevicesChanged = pyqtSignal() @pyqtProperty("QVariantMap", notify = outputDevicesChanged) def outputDevices(self): return self._output_devices @pyqtProperty("QStringList", notify = outputDevicesChanged) def outputDeviceNames(self): return self._output_devices.keys() @pyqtSlot(str, result = "QVariant") def getSettingValue(self, key): if not self.getActiveMachine(): return None return self.getActiveMachine().getSettingValueByKey(key) ## Change setting by key value pair @pyqtSlot(str, "QVariant") def setSettingValue(self, key, value): if not self.getActiveMachine(): return self.getActiveMachine().setSettingValueByKey(key, value) @pyqtSlot() def mergeSelected(self): self.groupSelected() try: group_node = Selection.getAllSelectedObjects()[0] except Exception as e: return multi_material_decorator = MultiMaterialDecorator.MultiMaterialDecorator() group_node.addDecorator(multi_material_decorator) # Reset the position of each node for node in group_node.getChildren(): new_position = node.getPosition() new_position.setX(0) new_position.setZ(0) node.setPosition(new_position) # Use the previously found center of the group bounding box as the new location of the group group_node.setPosition((group_node.getBoundingBox().maximum + group_node.getBoundingBox().minimum) / 2) @pyqtSlot() def groupSelected(self): group_node = SceneNode() group_decorator = GroupDecorator() group_node.addDecorator(group_decorator) group_node.setParent(self.getController().getScene().getRoot()) for node in Selection.getAllSelectedObjects(): node.setParent(group_node) for node in group_node.getChildren(): Selection.remove(node) Selection.add(group_node) @pyqtSlot() def ungroupSelected(self): ungrouped_nodes = [] selected_objects = Selection.getAllSelectedObjects()[:] #clone the list for node in selected_objects: if node.callDecoration("isGroup" ): children_to_move = [] for child in node.getChildren(): if type(child) is SceneNode: children_to_move.append(child) for child in children_to_move: child.setParent(node.getParent()) Selection.add(child) child.callDecoration("setConvexHull",None) node.setParent(None) ungrouped_nodes.append(node) for node in ungrouped_nodes: Selection.remove(node) ## Add an output device that can be written to. # # \param id \type{string} The identifier used to identify the device. # \param device \type{StorageDevice} A dictionary of device information. # It should contains the following: # - function: A function to be called when trying to write to the device. Will be passed the device id as first parameter. # - description: A translated string containing a description of what happens when writing to the device. # - icon: The icon to use to represent the device. # - priority: The priority of the device. The device with the highest priority will be used as the default device. def addOutputDevice(self, id, device): self._output_devices[id] = device self.outputDevicesChanged.emit() ## Remove output device # \param id \type{string} The identifier used to identify the device. # \sa PrinterApplication::addOutputDevice() def removeOutputDevice(self, id): if id in self._output_devices: del self._output_devices[id] self.outputDevicesChanged.emit() @pyqtSlot(str) def writeToOutputDevice(self, device): self._output_devices[device]["function"](device) writeToLocalFileRequested = pyqtSignal() def _writeToLocalFile(self, device): self.writeToLocalFileRequested.emit() def _writeToSD(self, device): for node in DepthFirstIterator(self.getController().getScene().getRoot()): if type(node) is not SceneNode or not node.getMeshData(): continue try: path = self.getStorageDevice("LocalFileStorage").getRemovableDrives()[device] except KeyError: Logger.log("e", "Tried to write to unknown SD card %s", device) return filename = os.path.join(path, node.getName()[0:node.getName().rfind(".")] + ".gcode") message = Message(self._output_devices[device]["description"], 0, False, -1) message.show() job = WriteMeshJob(filename, node.getMeshData()) job._sdcard = device job._message = message job.start() job.finished.connect(self._onWriteToSDFinished) return def _removableDrivesChanged(self): drives = self.getStorageDevice("LocalFileStorage").getRemovableDrives() for drive in drives: if drive not in self._output_devices: self.addOutputDevice(drive, { "id": drive, "function": self._writeToSD, "description": self._i18n_catalog.i18nc("Save button tooltip. {0} is sd card name", "Save to SD Card {0}").format(drive), "shortDescription": self._i18n_catalog.i18nc("Save button tooltip. {0} is sd card name", "Save to SD Card {0}").format(""), "icon": "save_sd", "priority": 1 }) drives_to_remove = [] for device in self._output_devices: if device not in drives: if self._output_devices[device]["function"] == self._writeToSD: drives_to_remove.append(device) for drive in drives_to_remove: self.removeOutputDevice(drive) def _onActiveMachineChanged(self): machine = self.getActiveMachine() if machine: Preferences.getInstance().setValue("cura/active_machine", machine.getName()) self._volume.setWidth(machine.getSettingValueByKey("machine_width")) self._volume.setHeight(machine.getSettingValueByKey("machine_height")) self._volume.setDepth(machine.getSettingValueByKey("machine_depth")) disallowed_areas = machine.getSettingValueByKey("machine_disallowed_areas") areas = [] if disallowed_areas: for area in disallowed_areas: areas.append(Polygon(numpy.array(area, numpy.float32))) self._volume.setDisallowedAreas(areas) self._volume.rebuild() offset = machine.getSettingValueByKey("machine_platform_offset") if offset: self._platform.setPosition(Vector(offset[0], offset[1], offset[2])) else: self._platform.setPosition(Vector(0.0, 0.0, 0.0)) def _onWriteToSDFinished(self, job): message = Message(self._i18n_catalog.i18nc("Saved to SD message, {0} is sdcard, {1} is filename", "Saved to SD Card {0} as {1}").format(job._sdcard, job.getFileName())) message.addAction( "eject", self._i18n_catalog.i18nc("Message action", "Eject"), "eject", self._i18n_catalog.i18nc("Message action tooltip, {0} is sdcard", "Eject SD Card {0}").format(job._sdcard) ) job._message.hide() message._sdcard = job._sdcard message.actionTriggered.connect(self._onMessageActionTriggered) message.show() def _onMessageActionTriggered(self, message, action): if action == "eject": self.getStorageDevice("LocalFileStorage").ejectRemovableDrive(message._sdcard) def _onFileLoaded(self, job): mesh = job.getResult() if mesh != None: node = SceneNode() node.setSelectable(True) node.setMeshData(mesh) node.setName(os.path.basename(job.getFileName())) op = AddSceneNodeOperation(node, self.getController().getScene().getRoot()) op.push() 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): job._node.setMeshData(job.getResult())