Merge branch 'master' of github.com:Ultimaker/Cura

cura/BuildVolume.py

@@ -136,6 +136,7 @@ class BuildVolume(SceneNode):
                 if active_extruder_changed is not None:
                     node.callDecoration("getActiveExtruderChangedSignal").disconnect(self._updateDisallowedAreasAndRebuild)
                 node.decoratorsChanged.disconnect(self._updateNodeListeners)
+            self._updateDisallowedAreasAndRebuild()  # make sure we didn't miss anything before we updated the node listeners
 
             self._scene_objects = new_scene_objects
             self._onSettingPropertyChanged("print_sequence", "value")  # Create fake event, so right settings are triggered.
@@ -150,7 +151,6 @@ class BuildVolume(SceneNode):
         active_extruder_changed = node.callDecoration("getActiveExtruderChangedSignal")
         if active_extruder_changed is not None:
             active_extruder_changed.connect(self._updateDisallowedAreasAndRebuild)
-            self._updateDisallowedAreasAndRebuild()
 
     def setWidth(self, width):
         if width is not None:

cura/CuraActions.py

@@ -109,10 +109,6 @@ class CuraActions(QObject):
 
         nodes_to_change = []
         for node in Selection.getAllSelectedObjects():
-            # Do not change any nodes that already have the right extruder set.
-            if node.callDecoration("getActiveExtruder") == extruder_id:
-                continue
-
             # If the node is a group, apply the active extruder to all children of the group.
             if node.callDecoration("isGroup"):
                 for grouped_node in BreadthFirstIterator(node):
@@ -125,6 +121,10 @@ class CuraActions(QObject):
                     nodes_to_change.append(grouped_node)
                 continue
 
+            # Do not change any nodes that already have the right extruder set.
+            if node.callDecoration("getActiveExtruder") == extruder_id:
+                continue
+
             nodes_to_change.append(node)
 
         if not nodes_to_change:

cura/CuraApplication.py

@@ -1,10 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-#Type hinting.
+from PyQt5.QtCore import QObject, QTimer
-from typing import Dict
-
-from PyQt5.QtCore import QObject
 from PyQt5.QtNetwork import QLocalServer
 from PyQt5.QtNetwork import QLocalSocket
 
@@ -68,6 +65,8 @@ from cura.Machines.Models.QualityManagementModel import QualityManagementModel
 from cura.Machines.Models.QualitySettingsModel import QualitySettingsModel
 from cura.Machines.Models.MachineManagementModel import MachineManagementModel
 
+from cura.Machines.Models.SettingVisibilityPresetsModel import SettingVisibilityPresetsModel
+
 from cura.Machines.MachineErrorChecker import MachineErrorChecker
 
 from cura.Settings.SettingInheritanceManager import SettingInheritanceManager
@@ -91,7 +90,6 @@ from cura.Settings.UserChangesModel import UserChangesModel
 from cura.Settings.ExtrudersModel import ExtrudersModel
 from cura.Settings.MaterialSettingsVisibilityHandler import MaterialSettingsVisibilityHandler
 from cura.Settings.ContainerManager import ContainerManager
-from cura.Settings.SettingVisibilityPresetsModel import SettingVisibilityPresetsModel
 
 from cura.ObjectsModel import ObjectsModel
 
@@ -101,7 +99,6 @@ from PyQt5.QtGui import QColor, QIcon
 from PyQt5.QtWidgets import QMessageBox
 from PyQt5.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType
 
-from configparser import ConfigParser
 import sys
 import os.path
 import numpy
@@ -226,6 +223,7 @@ class CuraApplication(QtApplication):
         self._object_manager = None
         self._build_plate_model = None
         self._multi_build_plate_model = None
+        self._setting_visibility_presets_model = None
         self._setting_inheritance_manager = None
         self._simple_mode_settings_manager = None
         self._cura_scene_controller = None
@@ -286,10 +284,15 @@ class CuraApplication(QtApplication):
         self._preferred_mimetype = ""
         self._i18n_catalog = i18nCatalog("cura")
 
-        self.getController().getScene().sceneChanged.connect(self.updatePlatformActivity)
+        self._update_platform_activity_timer = QTimer()
+        self._update_platform_activity_timer.setInterval(500)
+        self._update_platform_activity_timer.setSingleShot(True)
+        self._update_platform_activity_timer.timeout.connect(self.updatePlatformActivity)
+
+        self.getController().getScene().sceneChanged.connect(self.updatePlatformActivityDelayed)
         self.getController().toolOperationStopped.connect(self._onToolOperationStopped)
         self.getController().contextMenuRequested.connect(self._onContextMenuRequested)
-        self.getCuraSceneController().activeBuildPlateChanged.connect(self.updatePlatformActivity)
+        self.getCuraSceneController().activeBuildPlateChanged.connect(self.updatePlatformActivityDelayed)
 
         Resources.addType(self.ResourceTypes.QmlFiles, "qml")
         Resources.addType(self.ResourceTypes.Firmware, "firmware")
@@ -376,10 +379,6 @@ class CuraApplication(QtApplication):
 
         preferences.setDefault("local_file/last_used_type", "text/x-gcode")
 
-        default_visibility_profile = SettingVisibilityPresetsModel.getInstance().getItem(0)
-
-        preferences.setDefault("general/visible_settings", ";".join(default_visibility_profile["settings"]))
-
         self.applicationShuttingDown.connect(self.saveSettings)
         self.engineCreatedSignal.connect(self._onEngineCreated)
 
@@ -452,27 +451,18 @@ class CuraApplication(QtApplication):
 
     @pyqtSlot(str)
     def discardOrKeepProfileChangesClosed(self, option):
-        if option == "discard":
         global_stack = self.getGlobalContainerStack()
-            for extruder in self._extruder_manager.getMachineExtruders(global_stack.getId()):
+        if option == "discard":
-                extruder.getTop().clear()
+            for extruder in global_stack.extruders.values():
-            global_stack.getTop().clear()
+                extruder.userChanges.clear()
+            global_stack.userChanges.clear()
 
         # if the user decided to keep settings then the user settings should be re-calculated and validated for errors
         # before slicing. To ensure that slicer uses right settings values
         elif option == "keep":
-            global_stack = self.getGlobalContainerStack()
+            for extruder in global_stack.extruders.values():
-            for extruder in self._extruder_manager.getMachineExtruders(global_stack.getId()):
+                extruder.userChanges.update()
-                user_extruder_container = extruder.getTop()
+            global_stack.userChanges.update()
-                if user_extruder_container:
-                    user_extruder_container.update()
-
-            user_global_container = global_stack.getTop()
-            if user_global_container:
-                user_global_container.update()
-
-        # notify listeners that quality has changed (after user selected discard or keep)
-        self.getMachineManager().activeQualityChanged.emit()
 
     @pyqtSlot(int)
     def messageBoxClosed(self, button):
@@ -682,6 +672,11 @@ class CuraApplication(QtApplication):
         self._print_information = PrintInformation.PrintInformation()
         self._cura_actions = CuraActions.CuraActions(self)
 
+        # Initialize setting visibility presets model
+        self._setting_visibility_presets_model = SettingVisibilityPresetsModel(self)
+        default_visibility_profile = self._setting_visibility_presets_model.getItem(0)
+        Preferences.getInstance().setDefault("general/visible_settings", ";".join(default_visibility_profile["settings"]))
+
         # Detect in which mode to run and execute that mode
         if self.getCommandLineOption("headless", False):
             self.runWithoutGUI()
@@ -764,6 +759,10 @@ class CuraApplication(QtApplication):
     def hasGui(self):
         return self._use_gui
 
+    @pyqtSlot(result = QObject)
+    def getSettingVisibilityPresetsModel(self, *args) -> SettingVisibilityPresetsModel:
+        return self._setting_visibility_presets_model
+
     def getMachineErrorChecker(self, *args) -> MachineErrorChecker:
         return self._machine_error_checker
 
@@ -890,11 +889,11 @@ class CuraApplication(QtApplication):
         qmlRegisterType(NozzleModel, "Cura", 1, 0, "NozzleModel")
 
         qmlRegisterType(MaterialSettingsVisibilityHandler, "Cura", 1, 0, "MaterialSettingsVisibilityHandler")
+        qmlRegisterType(SettingVisibilityPresetsModel, "Cura", 1, 0, "SettingVisibilityPresetsModel")
         qmlRegisterType(QualitySettingsModel, "Cura", 1, 0, "QualitySettingsModel")
         qmlRegisterType(MachineNameValidator, "Cura", 1, 0, "MachineNameValidator")
         qmlRegisterType(UserChangesModel, "Cura", 1, 0, "UserChangesModel")
         qmlRegisterSingletonType(ContainerManager, "Cura", 1, 0, "ContainerManager", ContainerManager.createContainerManager)
-        qmlRegisterSingletonType(SettingVisibilityPresetsModel, "Cura", 1, 0, "SettingVisibilityPresetsModel", SettingVisibilityPresetsModel.createSettingVisibilityPresetsModel)
 
         # 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")))
@@ -970,6 +969,10 @@ class CuraApplication(QtApplication):
     def getSceneBoundingBoxString(self):
         return self._i18n_catalog.i18nc("@info 'width', 'depth' and 'height' are variable names that must NOT be translated; just translate the format of ##x##x## mm.", "%(width).1f x %(depth).1f x %(height).1f mm") % {'width' : self._scene_bounding_box.width.item(), 'depth': self._scene_bounding_box.depth.item(), 'height' : self._scene_bounding_box.height.item()}
 
+    def updatePlatformActivityDelayed(self, node = None):
+        if node is not None and node.getMeshData() is not None:
+            self._update_platform_activity_timer.start()
+
     ##  Update scene bounding box for current build plate
     def updatePlatformActivity(self, node = None):
         count = 0

cura/Machines/MaterialManager.py

@@ -107,6 +107,7 @@ class MaterialManager(QObject):
         # Map #2
         # Lookup table for material type -> fallback material metadata, only for read-only materials
         grouped_by_type_dict = dict()
+        material_types_without_fallback = set()
         for root_material_id, material_node in self._material_group_map.items():
             if not self._container_registry.isReadOnly(root_material_id):
                 continue
@@ -114,6 +115,7 @@ class MaterialManager(QObject):
             if material_type not in grouped_by_type_dict:
                 grouped_by_type_dict[material_type] = {"generic": None,
                                                        "others": []}
+                material_types_without_fallback.add(material_type)
             brand = material_node.root_material_node.metadata["brand"]
             if brand.lower() == "generic":
                 to_add = True
@@ -123,6 +125,10 @@ class MaterialManager(QObject):
                         to_add = False  # don't add if it's not the default diameter
                 if to_add:
                     grouped_by_type_dict[material_type] = material_node.root_material_node.metadata
+                    material_types_without_fallback.remove(material_type)
+        # Remove the materials that have no fallback materials
+        for material_type in material_types_without_fallback:
+            del grouped_by_type_dict[material_type]
         self._fallback_materials_map = grouped_by_type_dict
 
         # Map #3

cura/Machines/Models/MachineManagementModel.py

@@ -3,7 +3,7 @@
 
 from UM.Qt.ListModel import ListModel
 
-from PyQt5.QtCore import pyqtSlot, pyqtProperty, Qt, pyqtSignal
+from PyQt5.QtCore import Qt
 
 from UM.Settings.ContainerRegistry import ContainerRegistry
 from UM.Settings.ContainerStack import ContainerStack
@@ -11,6 +11,7 @@ from UM.Settings.ContainerStack import ContainerStack
 from UM.i18n import i18nCatalog
 catalog = i18nCatalog("cura")
 
+
 #
 # This the QML model for the quality management page.
 #
@@ -39,7 +40,7 @@ class MachineManagementModel(ListModel):
     ##  Handler for container added/removed events from registry
     def _onContainerChanged(self, container):
         # We only need to update when the added / removed container is a stack.
-        if isinstance(container, ContainerStack):
+        if isinstance(container, ContainerStack) and container.getMetaDataEntry("type") == "machine":
             self._update()
 
     ##  Private convenience function to reset & repopulate the model.
@@ -47,7 +48,9 @@ class MachineManagementModel(ListModel):
         items = []
 
         # Get first the network enabled printers
-        network_filter_printers = {"type": "machine", "um_network_key": "*", "hidden": "False"}
+        network_filter_printers = {"type": "machine",
+                                   "um_network_key": "*",
+                                   "hidden": "False"}
         self._network_container_stacks = ContainerRegistry.getInstance().findContainerStacks(**network_filter_printers)
         self._network_container_stacks.sort(key = lambda i: i.getMetaDataEntry("connect_group_name"))
 
@@ -61,7 +64,7 @@ class MachineManagementModel(ListModel):
                           "metadata": metadata,
                           "group": catalog.i18nc("@info:title", "Network enabled printers")})
 
-        # Get now the local printes
+        # Get now the local printers
         local_filter_printers = {"type": "machine", "um_network_key": None}
         self._local_container_stacks = ContainerRegistry.getInstance().findContainerStacks(**local_filter_printers)
         self._local_container_stacks.sort(key = lambda i: i.getName())

cura/Machines/Models/MultiBuildPlateModel.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtSignal, pyqtProperty
+from PyQt5.QtCore import QTimer, pyqtSignal, pyqtProperty
 
 from UM.Application import Application
 from UM.Scene.Selection import Selection
@@ -21,8 +21,13 @@ class MultiBuildPlateModel(ListModel):
     def __init__(self, parent = None):
         super().__init__(parent)
 
+        self._update_timer = QTimer()
+        self._update_timer.setInterval(100)
+        self._update_timer.setSingleShot(True)
+        self._update_timer.timeout.connect(self._updateSelectedObjectBuildPlateNumbers)
+
         self._application = Application.getInstance()
-        self._application.getController().getScene().sceneChanged.connect(self._updateSelectedObjectBuildPlateNumbers)
+        self._application.getController().getScene().sceneChanged.connect(self._updateSelectedObjectBuildPlateNumbersDelayed)
         Selection.selectionChanged.connect(self._updateSelectedObjectBuildPlateNumbers)
 
         self._max_build_plate = 1  # default
@@ -45,6 +50,9 @@ class MultiBuildPlateModel(ListModel):
     def activeBuildPlate(self):
         return self._active_build_plate
 
+    def _updateSelectedObjectBuildPlateNumbersDelayed(self, *args):
+        self._update_timer.start()
+
     def _updateSelectedObjectBuildPlateNumbers(self, *args):
         result = set()
         for node in Selection.getAllSelectedObjects():

cura/Machines/Models/SettingVisibilityPresetsModel.py

@@ -0,0 +1,178 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from typing import Optional
+import os
+import urllib.parse
+from configparser import ConfigParser
+
+from PyQt5.QtCore import pyqtProperty, Qt, pyqtSignal, pyqtSlot
+
+from UM.Logger import Logger
+from UM.Qt.ListModel import ListModel
+from UM.Preferences import Preferences
+from UM.Resources import Resources
+from UM.MimeTypeDatabase import MimeTypeDatabase, MimeTypeNotFoundError
+
+from UM.i18n import i18nCatalog
+catalog = i18nCatalog("cura")
+
+
+class SettingVisibilityPresetsModel(ListModel):
+    IdRole = Qt.UserRole + 1
+    NameRole = Qt.UserRole + 2
+    SettingsRole = Qt.UserRole + 3
+
+    def __init__(self, parent = None):
+        super().__init__(parent)
+        self.addRoleName(self.IdRole, "id")
+        self.addRoleName(self.NameRole, "name")
+        self.addRoleName(self.SettingsRole, "settings")
+
+        self._populate()
+        basic_item = self.items[1]
+        basic_visibile_settings = ";".join(basic_item["settings"])
+
+        self._preferences = Preferences.getInstance()
+        # Preference to store which preset is currently selected
+        self._preferences.addPreference("cura/active_setting_visibility_preset", "basic")
+        # Preference that stores the "custom" set so it can always be restored (even after a restart)
+        self._preferences.addPreference("cura/custom_visible_settings", basic_visibile_settings)
+        self._preferences.preferenceChanged.connect(self._onPreferencesChanged)
+
+        self._active_preset_item = self._getItem(self._preferences.getValue("cura/active_setting_visibility_preset"))
+        # Initialize visible settings if it is not done yet
+        visible_settings = self._preferences.getValue("general/visible_settings")
+        if not visible_settings:
+            self._preferences.setValue("general/visible_settings", ";".join(self._active_preset_item["settings"]))
+        else:
+            self._onPreferencesChanged("general/visible_settings")
+
+        self.activePresetChanged.emit()
+
+    def _getItem(self, item_id: str) -> Optional[dict]:
+        result = None
+        for item in self.items:
+            if item["id"] == item_id:
+                result = item
+                break
+        return result
+
+    def _populate(self):
+        from cura.CuraApplication import CuraApplication
+        items = []
+        for file_path in Resources.getAllResourcesOfType(CuraApplication.ResourceTypes.SettingVisibilityPreset):
+            try:
+                mime_type = MimeTypeDatabase.getMimeTypeForFile(file_path)
+            except MimeTypeNotFoundError:
+                Logger.log("e", "Could not determine mime type of file %s", file_path)
+                continue
+
+            item_id = urllib.parse.unquote_plus(mime_type.stripExtension(os.path.basename(file_path)))
+            if not os.path.isfile(file_path):
+                Logger.log("e", "[%s] is not a file", file_path)
+                continue
+
+            parser = ConfigParser(allow_no_value = True)  # accept options without any value,
+            try:
+                parser.read([file_path])
+                if not parser.has_option("general", "name") or not parser.has_option("general", "weight"):
+                    continue
+
+                settings = []
+                for section in parser.sections():
+                    if section == 'general':
+                        continue
+
+                    settings.append(section)
+                    for option in parser[section].keys():
+                        settings.append(option)
+
+                items.append({
+                    "id": item_id,
+                    "name": catalog.i18nc("@action:inmenu", parser["general"]["name"]),
+                    "weight": parser["general"]["weight"],
+                    "settings": settings,
+                })
+
+            except Exception:
+                Logger.logException("e", "Failed to load setting preset %s", file_path)
+
+        items.sort(key = lambda k: (int(k["weight"]), k["id"]))
+        # Put "custom" at the top
+        items.insert(0, {"id": "custom",
+                         "name": "Custom selection",
+                         "weight": -100,
+                         "settings": []})
+
+        self.setItems(items)
+
+    @pyqtSlot(str)
+    def setActivePreset(self, preset_id: str):
+        if preset_id == self._active_preset_item["id"]:
+            Logger.log("d", "Same setting visibility preset [%s] selected, do nothing.", preset_id)
+            return
+
+        preset_item = None
+        for item in self.items:
+            if item["id"] == preset_id:
+                preset_item = item
+                break
+        if preset_item is None:
+            Logger.log("w", "Tried to set active preset to unknown id [%s]", preset_id)
+            return
+
+        need_to_save_to_custom = self._active_preset_item["id"] == "custom" and preset_id != "custom"
+        if need_to_save_to_custom:
+            # Save the current visibility settings to custom
+            current_visibility_string = self._preferences.getValue("general/visible_settings")
+            if current_visibility_string:
+                self._preferences.setValue("cura/custom_visible_settings", current_visibility_string)
+
+        new_visibility_string = ";".join(preset_item["settings"])
+        if preset_id == "custom":
+            # Get settings from the stored custom data
+            new_visibility_string = self._preferences.getValue("cura/custom_visible_settings")
+            if new_visibility_string is None:
+                new_visibility_string = self._preferences.getValue("general/visible_settings")
+        self._preferences.setValue("general/visible_settings", new_visibility_string)
+
+        self._preferences.setValue("cura/active_setting_visibility_preset", preset_id)
+        self._active_preset_item = preset_item
+        self.activePresetChanged.emit()
+
+    activePresetChanged = pyqtSignal()
+
+    @pyqtProperty(str, notify = activePresetChanged)
+    def activePreset(self) -> str:
+        return self._active_preset_item["id"]
+
+    def _onPreferencesChanged(self, name: str):
+        if name != "general/visible_settings":
+            return
+
+        # Find the preset that matches with the current visible settings setup
+        visibility_string = self._preferences.getValue("general/visible_settings")
+        if not visibility_string:
+            return
+
+        visibility_set = set(visibility_string.split(";"))
+        matching_preset_item = None
+        for item in self.items:
+            if item["id"] == "custom":
+                continue
+            if set(item["settings"]) == visibility_set:
+                matching_preset_item = item
+                break
+
+        if matching_preset_item is None:
+            # The new visibility setup is "custom" should be custom
+            if self._active_preset_item["id"] == "custom":
+                # We are already in custom, just save the settings
+                self._preferences.setValue("cura/custom_visible_settings", visibility_string)
+            else:
+                self._active_preset_item = self.items[0]  # 0 is custom
+                self.activePresetChanged.emit()
+        else:
+            self._active_preset_item = matching_preset_item
+            self.activePresetChanged.emit()

cura/ObjectsModel.py

@@ -1,3 +1,8 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from PyQt5.QtCore import QTimer
+
 from UM.Application import Application
 from UM.Qt.ListModel import ListModel
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
@@ -14,8 +19,13 @@ class ObjectsModel(ListModel):
     def __init__(self):
         super().__init__()
 
-        Application.getInstance().getController().getScene().sceneChanged.connect(self._update)
+        Application.getInstance().getController().getScene().sceneChanged.connect(self._updateDelayed)
-        Preferences.getInstance().preferenceChanged.connect(self._update)
+        Preferences.getInstance().preferenceChanged.connect(self._updateDelayed)
+
+        self._update_timer = QTimer()
+        self._update_timer.setInterval(100)
+        self._update_timer.setSingleShot(True)
+        self._update_timer.timeout.connect(self._update)
 
         self._build_plate_number = -1
 
@@ -23,6 +33,9 @@ class ObjectsModel(ListModel):
         self._build_plate_number = nr
         self._update()
 
+    def _updateDelayed(self, *args):
+        self._update_timer.start()
+
     def _update(self, *args):
         nodes = []
         filter_current_build_plate = Preferences.getInstance().getValue("view/filter_current_build_plate")

cura/PickingPass.py

@@ -0,0 +1,69 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from UM.Application import Application
+from UM.Math.Vector import Vector
+from UM.Resources import Resources
+
+from UM.View.RenderPass import RenderPass
+from UM.View.GL.OpenGL import OpenGL
+from UM.View.RenderBatch import RenderBatch
+
+from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
+
+
+##  A RenderPass subclass that renders a the distance of selectable objects from the active camera to a texture.
+#   The texture is used to map a 2d location (eg the mouse location) to a world space position
+#
+#   Note that in order to increase precision, the 24 bit depth value is encoded into all three of the R,G & B channels
+class PickingPass(RenderPass):
+    def __init__(self, width: int, height: int):
+        super().__init__("picking", width, height)
+
+        self._renderer = Application.getInstance().getRenderer()
+
+        self._shader = None
+        self._scene = Application.getInstance().getController().getScene()
+
+    def render(self) -> None:
+        if not self._shader:
+            self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "camera_distance.shader"))
+
+        width, height = self.getSize()
+        self._gl.glViewport(0, 0, width, height)
+        self._gl.glClearColor(1.0, 1.0, 1.0, 0.0)
+        self._gl.glClear(self._gl.GL_COLOR_BUFFER_BIT | self._gl.GL_DEPTH_BUFFER_BIT)
+
+        # Create a new batch to be rendered
+        batch = RenderBatch(self._shader)
+
+        # Fill up the batch with objects that can be sliced. `
+        for node in DepthFirstIterator(self._scene.getRoot()):
+            if node.callDecoration("isSliceable") and node.getMeshData() and node.isVisible():
+                batch.addItem(node.getWorldTransformation(), node.getMeshData())
+
+        self.bind()
+        batch.render(self._scene.getActiveCamera())
+        self.release()
+
+    ##  Get the distance in mm from the camera to at a certain pixel coordinate.
+    def getPickedDepth(self, x: int, y: int) -> float:
+        output = self.getOutput()
+
+        window_size = self._renderer.getWindowSize()
+
+        px = (0.5 + x / 2.0) * window_size[0]
+        py = (0.5 + y / 2.0) * window_size[1]
+
+        if px < 0 or px > (output.width() - 1) or py < 0 or py > (output.height() - 1):
+            return -1
+
+        distance = output.pixel(px, py) # distance in micron, from in r, g & b channels
+        distance = (distance & 0x00ffffff) / 1000. # drop the alpha channel and covert to mm
+        return distance
+
+    ## Get the world coordinates of a picked point
+    def getPickedPosition(self, x: int, y: int) -> Vector:
+        distance = self.getPickedDepth(x, y)
+        ray = self._scene.getActiveCamera().getRay(x, y)
+
+        return ray.getPointAlongRay(distance)

cura/PlatformPhysics.py

@@ -71,7 +71,7 @@ class PlatformPhysics:
             # Move it downwards if bottom is above platform
             move_vector = Vector()
 
-            if Preferences.getInstance().getValue("physics/automatic_drop_down") and not (node.getParent() and node.getParent().callDecoration("isGroup")) and node.isEnabled(): #If an object is grouped, don't move it down
+            if Preferences.getInstance().getValue("physics/automatic_drop_down") and not (node.getParent() and node.getParent().callDecoration("isGroup") or node.getParent() != root) and node.isEnabled(): #If an object is grouped, don't move it down
                 z_offset = node.callDecoration("getZOffset") if node.getDecorator(ZOffsetDecorator.ZOffsetDecorator) else 0
                 move_vector = move_vector.set(y = -bbox.bottom + z_offset)
 

cura/PrinterOutput/ExtruderOutputModel.py

@@ -18,6 +18,7 @@ class ExtruderOutputModel(QObject):
     hotendTemperatureChanged = pyqtSignal()
     activeMaterialChanged = pyqtSignal()
     extruderConfigurationChanged = pyqtSignal()
+    isPreheatingChanged = pyqtSignal()
 
     def __init__(self, printer: "PrinterOutputModel", position, parent=None):
         super().__init__(parent)
@@ -30,6 +31,21 @@ class ExtruderOutputModel(QObject):
         self._extruder_configuration = ExtruderConfigurationModel()
         self._extruder_configuration.position = self._position
 
+        self._is_preheating = False
+
+    def getPrinter(self):
+        return self._printer
+
+    def getPosition(self):
+        return self._position
+
+    # Does the printer support pre-heating the bed at all
+    @pyqtProperty(bool, constant=True)
+    def canPreHeatHotends(self):
+        if self._printer:
+            return self._printer.canPreHeatHotends
+        return False
+
     @pyqtProperty(QObject, notify = activeMaterialChanged)
     def activeMaterial(self) -> "MaterialOutputModel":
         return self._active_material
@@ -82,3 +98,25 @@ class ExtruderOutputModel(QObject):
         if self._extruder_configuration.isValid():
             return self._extruder_configuration
         return None
+
+    def updateIsPreheating(self, pre_heating):
+        if self._is_preheating != pre_heating:
+            self._is_preheating = pre_heating
+            self.isPreheatingChanged.emit()
+
+    @pyqtProperty(bool, notify=isPreheatingChanged)
+    def isPreheating(self):
+        return self._is_preheating
+
+    ##  Pre-heats the extruder before printer.
+    #
+    #   \param temperature The temperature to heat the extruder to, in degrees
+    #   Celsius.
+    #   \param duration How long the bed should stay warm, in seconds.
+    @pyqtSlot(float, float)
+    def preheatHotend(self, temperature, duration):
+        self._printer._controller.preheatHotend(self, temperature, duration)
+
+    @pyqtSlot()
+    def cancelPreheatHotend(self):
+        self._printer._controller.cancelPreheatHotend(self)

cura/PrinterOutput/GenericOutputController.py

@@ -0,0 +1,151 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
+from PyQt5.QtCore import QTimer
+
+MYPY = False
+if MYPY:
+    from cura.PrinterOutput.PrintJobOutputModel import PrintJobOutputModel
+    from cura.PrinterOutput.PrinterOutputModel import PrinterOutputModel
+
+
+class GenericOutputController(PrinterOutputController):
+    def __init__(self, output_device):
+        super().__init__(output_device)
+
+        self._preheat_bed_timer = QTimer()
+        self._preheat_bed_timer.setSingleShot(True)
+        self._preheat_bed_timer.timeout.connect(self._onPreheatBedTimerFinished)
+        self._preheat_printer = None
+
+        self._preheat_hotends_timer = QTimer()
+        self._preheat_hotends_timer.setSingleShot(True)
+        self._preheat_hotends_timer.timeout.connect(self._onPreheatHotendsTimerFinished)
+        self._preheat_hotends = set()
+
+        self._output_device.printersChanged.connect(self._onPrintersChanged)
+        self._active_printer = None
+
+    def _onPrintersChanged(self):
+        if self._active_printer:
+            self._active_printer.stateChanged.disconnect(self._onPrinterStateChanged)
+            self._active_printer.targetBedTemperatureChanged.disconnect(self._onTargetBedTemperatureChanged)
+            for extruder in self._active_printer.extruders:
+                extruder.targetHotendTemperatureChanged.disconnect(self._onTargetHotendTemperatureChanged)
+
+        self._active_printer = self._output_device.activePrinter
+        if self._active_printer:
+            self._active_printer.stateChanged.connect(self._onPrinterStateChanged)
+            self._active_printer.targetBedTemperatureChanged.connect(self._onTargetBedTemperatureChanged)
+            for extruder in self._active_printer.extruders:
+                extruder.targetHotendTemperatureChanged.connect(self._onTargetHotendTemperatureChanged)
+
+    def _onPrinterStateChanged(self):
+        if self._active_printer.state != "idle":
+            if self._preheat_bed_timer.isActive():
+                self._preheat_bed_timer.stop()
+                self._preheat_printer.updateIsPreheating(False)
+            if self._preheat_hotends_timer.isActive():
+                self._preheat_hotends_timer.stop()
+                for extruder in self._preheat_hotends:
+                    extruder.updateIsPreheating(False)
+                self._preheat_hotends = set()
+
+    def moveHead(self, printer: "PrinterOutputModel", x, y, z, speed):
+        self._output_device.sendCommand("G91")
+        self._output_device.sendCommand("G0 X%s Y%s Z%s F%s" % (x, y, z, speed))
+        self._output_device.sendCommand("G90")
+
+    def homeHead(self, printer):
+        self._output_device.sendCommand("G28 X")
+        self._output_device.sendCommand("G28 Y")
+
+    def homeBed(self, printer):
+        self._output_device.sendCommand("G28 Z")
+
+    def setJobState(self, job: "PrintJobOutputModel", state: str):
+        if state == "pause":
+            self._output_device.pausePrint()
+            job.updateState("paused")
+        elif state == "print":
+            self._output_device.resumePrint()
+            job.updateState("printing")
+        elif state == "abort":
+            self._output_device.cancelPrint()
+            pass
+
+    def setTargetBedTemperature(self, printer: "PrinterOutputModel", temperature: int):
+        self._output_device.sendCommand("M140 S%s" % temperature)
+
+    def _onTargetBedTemperatureChanged(self):
+        if self._preheat_bed_timer.isActive() and self._preheat_printer.targetBedTemperature == 0:
+            self._preheat_bed_timer.stop()
+            self._preheat_printer.updateIsPreheating(False)
+
+    def preheatBed(self, printer: "PrinterOutputModel", temperature, duration):
+        try:
+            temperature = round(temperature)  # The API doesn't allow floating point.
+            duration = round(duration)
+        except ValueError:
+            return  # Got invalid values, can't pre-heat.
+
+        self.setTargetBedTemperature(printer, temperature=temperature)
+        self._preheat_bed_timer.setInterval(duration * 1000)
+        self._preheat_bed_timer.start()
+        self._preheat_printer = printer
+        printer.updateIsPreheating(True)
+
+    def cancelPreheatBed(self, printer: "PrinterOutputModel"):
+        self.setTargetBedTemperature(printer, temperature=0)
+        self._preheat_bed_timer.stop()
+        printer.updateIsPreheating(False)
+
+    def _onPreheatBedTimerFinished(self):
+        self.setTargetBedTemperature(self._preheat_printer, 0)
+        self._preheat_printer.updateIsPreheating(False)
+
+    def setTargetHotendTemperature(self, printer: "PrinterOutputModel", position: int, temperature: int):
+        self._output_device.sendCommand("M104 S%s T%s" % (temperature, position))
+
+    def _onTargetHotendTemperatureChanged(self):
+        if not self._preheat_hotends_timer.isActive():
+            return
+
+        for extruder in self._active_printer.extruders:
+            if extruder in self._preheat_hotends and extruder.targetHotendTemperature == 0:
+                extruder.updateIsPreheating(False)
+                self._preheat_hotends.remove(extruder)
+        if not self._preheat_hotends:
+            self._preheat_hotends_timer.stop()
+
+    def preheatHotend(self, extruder: "ExtruderOutputModel", temperature, duration):
+        position = extruder.getPosition()
+        number_of_extruders = len(extruder.getPrinter().extruders)
+        if position >= number_of_extruders:
+            return  # Got invalid extruder nr, can't pre-heat.
+
+        try:
+            temperature = round(temperature)  # The API doesn't allow floating point.
+            duration = round(duration)
+        except ValueError:
+            return  # Got invalid values, can't pre-heat.
+
+        self.setTargetHotendTemperature(extruder.getPrinter(), position, temperature=temperature)
+        self._preheat_hotends_timer.setInterval(duration * 1000)
+        self._preheat_hotends_timer.start()
+        self._preheat_hotends.add(extruder)
+        extruder.updateIsPreheating(True)
+
+    def cancelPreheatHotend(self, extruder: "ExtruderOutputModel"):
+        self.setTargetHotendTemperature(extruder.getPrinter(), extruder.getPosition(), temperature=0)
+        if extruder in self._preheat_hotends:
+            extruder.updateIsPreheating(False)
+            self._preheat_hotends.remove(extruder)
+        if not self._preheat_hotends and self._preheat_hotends_timer.isActive():
+            self._preheat_hotends_timer.stop()
+
+    def _onPreheatHotendsTimerFinished(self):
+        for extruder in self._preheat_hotends:
+            self.setTargetHotendTemperature(extruder.getPrinter(), extruder.getPosition(), 0)
+        self._preheat_hotends = set()

cura/PrinterOutput/NetworkedPrinterOutputDevice.py

@@ -3,6 +3,8 @@
 
 from UM.Application import Application
 from UM.Logger import Logger
+from UM.Settings.ContainerRegistry import ContainerRegistry
+from cura.CuraApplication import CuraApplication
 
 from cura.PrinterOutputDevice import PrinterOutputDevice, ConnectionState
 
@@ -254,6 +256,9 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
         self._last_manager_create_time = time()
         self._manager.authenticationRequired.connect(self._onAuthenticationRequired)
 
+        machine_manager = CuraApplication.getInstance().getMachineManager()
+        machine_manager.checkCorrectGroupName(self.getId(), self.name)
+
     def _registerOnFinishedCallback(self, reply: QNetworkReply, onFinished: Optional[Callable[[Any, QNetworkReply], None]]) -> None:
         if onFinished is not None:
             self._onFinishedCallbacks[reply.url().toString() + str(reply.operation())] = onFinished

cura/PrinterOutput/PrinterOutputController.py

@@ -15,6 +15,7 @@ class PrinterOutputController:
         self.can_pause = True
         self.can_abort = True
         self.can_pre_heat_bed = True
+        self.can_pre_heat_hotends = True
         self.can_control_manually = True
         self._output_device = output_device
 
@@ -33,6 +34,12 @@ class PrinterOutputController:
     def preheatBed(self, printer: "PrinterOutputModel", temperature, duration):
         Logger.log("w", "Preheat bed not implemented in controller")
 
+    def cancelPreheatHotend(self, extruder: "ExtruderOutputModel"):
+        Logger.log("w", "Cancel preheat hotend not implemented in controller")
+
+    def preheatHotend(self, extruder: "ExtruderOutputModel", temperature, duration):
+        Logger.log("w", "Preheat hotend not implemented in controller")
+
     def setHeadPosition(self, printer: "PrinterOutputModel", x, y, z, speed):
         Logger.log("w", "Set head position not implemented in controller")
 

cura/PrinterOutput/PrinterOutputModel.py

@@ -238,6 +238,13 @@ class PrinterOutputModel(QObject):
             return self._controller.can_pre_heat_bed
         return False
 
+    # Does the printer support pre-heating the bed at all
+    @pyqtProperty(bool, constant=True)
+    def canPreHeatHotends(self):
+        if self._controller:
+            return self._controller.can_pre_heat_hotends
+        return False
+
     # Does the printer support pause at all
     @pyqtProperty(bool, constant=True)
     def canPause(self):

cura/Scene/ConvexHullDecorator.py

@@ -1,6 +1,8 @@
 # Copyright (c) 2016 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+from PyQt5.QtCore import QTimer
+
 from UM.Application import Application
 from UM.Math.Polygon import Polygon
 from UM.Scene.SceneNodeDecorator import SceneNodeDecorator
@@ -22,6 +24,10 @@ class ConvexHullDecorator(SceneNodeDecorator):
 
         self._global_stack = None
 
+        # Make sure the timer is created on the main thread
+        self._recompute_convex_hull_timer = None
+        Application.getInstance().callLater(self.createRecomputeConvexHullTimer)
+
         self._raft_thickness = 0.0
         # For raft thickness, DRY
         self._build_volume = Application.getInstance().getBuildVolume()
@@ -33,6 +39,12 @@ class ConvexHullDecorator(SceneNodeDecorator):
 
         self._onGlobalStackChanged()
 
+    def createRecomputeConvexHullTimer(self):
+        self._recompute_convex_hull_timer = QTimer()
+        self._recompute_convex_hull_timer.setInterval(200)
+        self._recompute_convex_hull_timer.setSingleShot(True)
+        self._recompute_convex_hull_timer.timeout.connect(self.recomputeConvexHull)
+
     def setNode(self, node):
         previous_node = self._node
         # Disconnect from previous node signals
@@ -99,6 +111,12 @@ class ConvexHullDecorator(SceneNodeDecorator):
                 return self._compute2DConvexHull()
         return None
 
+    def recomputeConvexHullDelayed(self):
+        if self._recompute_convex_hull_timer is not None:
+            self._recompute_convex_hull_timer.start()
+        else:
+            self.recomputeConvexHull()
+
     def recomputeConvexHull(self):
         controller = Application.getInstance().getController()
         root = controller.getScene().getRoot()
@@ -279,7 +297,8 @@ class ConvexHullDecorator(SceneNodeDecorator):
 
     def _onChanged(self, *args):
         self._raft_thickness = self._build_volume.getRaftThickness()
-        self.recomputeConvexHull()
+        if not args or args[0] == self._node:
+            self.recomputeConvexHullDelayed()
 
     def _onGlobalStackChanged(self):
         if self._global_stack:

cura/Settings/ContainerManager.py

@@ -348,15 +348,18 @@ class ContainerManager(QObject):
     #
     #   \param material_id \type{str} the id of the material for which to get the linked materials.
     #   \return \type{list} a list of names of materials with the same GUID
-    @pyqtSlot("QVariant", result = "QStringList")
+    @pyqtSlot("QVariant", bool, result = "QStringList")
-    def getLinkedMaterials(self, material_node):
+    def getLinkedMaterials(self, material_node, exclude_self = False):
         guid = material_node.metadata["GUID"]
 
+        self_root_material_id = material_node.metadata["base_file"]
         material_group_list = self._material_manager.getMaterialGroupListByGUID(guid)
 
         linked_material_names = []
         if material_group_list:
             for material_group in material_group_list:
+                if exclude_self and material_group.name == self_root_material_id:
+                    continue
                 linked_material_names.append(material_group.root_material_node.metadata["name"])
         return linked_material_names
 

cura/Settings/CuraContainerRegistry.py

@@ -173,12 +173,13 @@ class CuraContainerRegistry(ContainerRegistry):
         plugin_registry = PluginRegistry.getInstance()
         extension = file_name.split(".")[-1]
 
-        global_container_stack = Application.getInstance().getGlobalContainerStack()
+        global_stack = Application.getInstance().getGlobalContainerStack()
-        if not global_container_stack:
+        if not global_stack:
             return
 
-        machine_extruders = list(ExtruderManager.getInstance().getMachineExtruders(global_container_stack.getId()))
+        machine_extruders = []
-        machine_extruders.sort(key = lambda k: k.getMetaDataEntry("position"))
+        for position in sorted(global_stack.extruders):
+            machine_extruders.append(global_stack.extruders[position])
 
         for plugin_id, meta_data in self._getIOPlugins("profile_reader"):
             if meta_data["profile_reader"][0]["extension"] != extension:
@@ -200,13 +201,18 @@ class CuraContainerRegistry(ContainerRegistry):
 
                 # First check if this profile is suitable for this machine
                 global_profile = None
+                extruder_profiles = []
                 if len(profile_or_list) == 1:
                     global_profile = profile_or_list[0]
                 else:
                     for profile in profile_or_list:
                         if not profile.getMetaDataEntry("position"):
                             global_profile = profile
-                            break
+                        else:
+                            extruder_profiles.append(profile)
+                extruder_profiles = sorted(extruder_profiles, key = lambda x: int(x.getMetaDataEntry("position")))
+                profile_or_list = [global_profile] + extruder_profiles
+
                 if not global_profile:
                     Logger.log("e", "Incorrect profile [%s]. Could not find global profile", file_name)
                     return { "status": "error",
@@ -227,7 +233,7 @@ class CuraContainerRegistry(ContainerRegistry):
                 # Get the expected machine definition.
                 # i.e.: We expect gcode for a UM2 Extended to be defined as normal UM2 gcode...
                 profile_definition = getMachineDefinitionIDForQualitySearch(machine_definition)
-                expected_machine_definition = getMachineDefinitionIDForQualitySearch(global_container_stack.definition)
+                expected_machine_definition = getMachineDefinitionIDForQualitySearch(global_stack.definition)
 
                 # And check if the profile_definition matches either one (showing error if not):
                 if profile_definition != expected_machine_definition:
@@ -251,8 +257,8 @@ class CuraContainerRegistry(ContainerRegistry):
                 if len(profile_or_list) == 1:
                     global_profile = profile_or_list[0]
                     extruder_profiles = []
-                    for idx, extruder in enumerate(global_container_stack.extruders.values()):
+                    for idx, extruder in enumerate(global_stack.extruders.values()):
-                        profile_id = ContainerRegistry.getInstance().uniqueName(global_container_stack.getId() + "_extruder_" + str(idx + 1))
+                        profile_id = ContainerRegistry.getInstance().uniqueName(global_stack.getId() + "_extruder_" + str(idx + 1))
                         profile = InstanceContainer(profile_id)
                         profile.setName(quality_name)
                         profile.addMetaDataEntry("setting_version", CuraApplication.SettingVersion)
@@ -264,12 +270,12 @@ class CuraContainerRegistry(ContainerRegistry):
                         if idx == 0:
                             # move all per-extruder settings to the first extruder's quality_changes
                             for qc_setting_key in global_profile.getAllKeys():
-                                settable_per_extruder = global_container_stack.getProperty(qc_setting_key,
+                                settable_per_extruder = global_stack.getProperty(qc_setting_key,
                                                                                            "settable_per_extruder")
                                 if settable_per_extruder:
                                     setting_value = global_profile.getProperty(qc_setting_key, "value")
 
-                                    setting_definition = global_container_stack.getSettingDefinition(qc_setting_key)
+                                    setting_definition = global_stack.getSettingDefinition(qc_setting_key)
                                     new_instance = SettingInstance(setting_definition, profile)
                                     new_instance.setProperty("value", setting_value)
                                     new_instance.resetState()  # Ensure that the state is not seen as a user state.
@@ -286,7 +292,7 @@ class CuraContainerRegistry(ContainerRegistry):
                 for profile_index, profile in enumerate(profile_or_list):
                     if profile_index == 0:
                         # This is assumed to be the global profile
-                        profile_id = (global_container_stack.getBottom().getId() + "_" + name_seed).lower().replace(" ", "_")
+                        profile_id = (global_stack.getBottom().getId() + "_" + name_seed).lower().replace(" ", "_")
 
                     elif profile_index < len(machine_extruders) + 1:
                         # This is assumed to be an extruder profile

cura/Settings/ExtrudersModel.py

@@ -210,6 +210,7 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
                 item = {
                     "id": "",
                     "name": catalog.i18nc("@menuitem", "Not overridden"),
+                    "enabled": True,
                     "color": "#ffffff",
                     "index": -1,
                     "definition": ""

cura/Settings/MachineManager.py

@@ -10,7 +10,6 @@ from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
 from UM.Signal import Signal
 
 from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, QTimer
-import UM.FlameProfiler
 from UM.FlameProfiler import pyqtSlot
 from UM import Util
 
@@ -24,7 +23,6 @@ from UM.Settings.SettingFunction import SettingFunction
 from UM.Signal import postponeSignals, CompressTechnique
 
 from cura.Machines.QualityManager import getMachineDefinitionIDForQualitySearch
-from cura.Machines.VariantManager import VariantType
 from cura.PrinterOutputDevice import PrinterOutputDevice
 from cura.PrinterOutput.ConfigurationModel import ConfigurationModel
 from cura.PrinterOutput.ExtruderConfigurationModel import ExtruderConfigurationModel
@@ -147,6 +145,7 @@ class MachineManager(QObject):
     activeStackValueChanged = pyqtSignal()  # Emitted whenever a value inside the active stack is changed.
     activeStackValidationChanged = pyqtSignal()  # Emitted whenever a validation inside active container is changed
     stacksValidationChanged = pyqtSignal()  # Emitted whenever a validation is changed
+    numberExtrudersEnabledChanged = pyqtSignal()  # Emitted when the number of extruders that are enabled changed
 
     blurSettings = pyqtSignal()  # Emitted to force fields in the advanced sidebar to un-focus, so they update properly
 
@@ -467,16 +466,16 @@ class MachineManager(QObject):
             return self._global_container_stack.getId()
         return ""
 
-    @pyqtProperty(str, notify = globalContainerChanged)
+    @pyqtProperty(str, notify = outputDevicesChanged)
     def activeMachineNetworkKey(self) -> str:
         if self._global_container_stack:
-            return self._global_container_stack.getMetaDataEntry("um_network_key")
+            return self._global_container_stack.getMetaDataEntry("um_network_key", "")
         return ""
 
-    @pyqtProperty(str, notify = globalContainerChanged)
+    @pyqtProperty(str, notify = outputDevicesChanged)
     def activeMachineNetworkGroupName(self) -> str:
         if self._global_container_stack:
-            return self._global_container_stack.getMetaDataEntry("connect_group_name")
+            return self._global_container_stack.getMetaDataEntry("connect_group_name", "")
         return ""
 
     @pyqtProperty(QObject, notify = globalContainerChanged)
@@ -662,12 +661,22 @@ class MachineManager(QObject):
             if other_machine_stacks:
                 self.setActiveMachine(other_machine_stacks[0]["id"])
 
+        metadata = ContainerRegistry.getInstance().findContainerStacksMetadata(id = machine_id)[0]
+        network_key = metadata["um_network_key"] if "um_network_key" in metadata else None
         ExtruderManager.getInstance().removeMachineExtruders(machine_id)
         containers = ContainerRegistry.getInstance().findInstanceContainersMetadata(type = "user", machine = machine_id)
         for container in containers:
             ContainerRegistry.getInstance().removeContainer(container["id"])
         ContainerRegistry.getInstance().removeContainer(machine_id)
 
+        # If the printer that is being removed is a network printer, the hidden printers have to be also removed
+        if network_key:
+            metadata_filter = {"um_network_key": network_key}
+            hidden_containers = ContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
+            if hidden_containers:
+                # This reuses the method and remove all printers recursively
+                self.removeMachine(hidden_containers[0].getId())
+
     @pyqtProperty(bool, notify = globalContainerChanged)
     def hasMaterials(self) -> bool:
         if self._global_container_stack:
@@ -729,22 +738,6 @@ class MachineManager(QObject):
 
         return result
 
-    ##  Property to indicate if a machine has "specialized" material profiles.
-    #   Some machines have their own material profiles that "override" the default catch all profiles.
-    @pyqtProperty(bool, notify = globalContainerChanged)
-    def filterMaterialsByMachine(self) -> bool:
-        if self._global_container_stack:
-            return Util.parseBool(self._global_container_stack.getMetaDataEntry("has_machine_materials", False))
-        return False
-
-    ##  Property to indicate if a machine has "specialized" quality profiles.
-    #   Some machines have their own quality profiles that "override" the default catch all profiles.
-    @pyqtProperty(bool, notify = globalContainerChanged)
-    def filterQualityByMachine(self) -> bool:
-        if self._global_container_stack:
-            return Util.parseBool(self._global_container_stack.getMetaDataEntry("has_machine_quality", False))
-        return False
-
     ##  Get the Definition ID of a machine (specified by ID)
     #   \param machine_id string machine id to get the definition ID of
     #   \returns DefinitionID (string) if found, None otherwise
@@ -872,7 +865,13 @@ class MachineManager(QObject):
         for position, extruder in self._global_container_stack.extruders.items():
             if extruder.isEnabled:
                 extruder_count += 1
+        if self.numberExtrudersEnabled != extruder_count:
             definition_changes_container.setProperty("extruders_enabled_count", "value", extruder_count)
+            self.numberExtrudersEnabledChanged.emit()
+
+    @pyqtProperty(int, notify = numberExtrudersEnabledChanged)
+    def numberExtrudersEnabled(self):
+        return self._global_container_stack.definitionChanges.getProperty("extruders_enabled_count", "value")
 
     @pyqtProperty(str, notify = extruderChanged)
     def defaultExtruderPosition(self):
@@ -1110,7 +1109,7 @@ class MachineManager(QObject):
             from cura.Settings.CuraContainerStack import _ContainerIndexes
             context = PropertyEvaluationContext(extruder)
             context.context["evaluate_from_container_index"] = _ContainerIndexes.DefinitionChanges
-            material_diameter = self._global_container_stack.getProperty("material_diameter", "value", context)
+            material_diameter = extruder.getProperty("material_diameter", "value", context)
             candidate_materials = self._material_manager.getAvailableMaterials(
                 self._global_container_stack.definition.getId(),
                 current_variant_name,
@@ -1193,6 +1192,24 @@ class MachineManager(QObject):
             if machine.getMetaDataEntry(key) == value:
                 machine.setMetaDataEntry(key, new_value)
 
+    ##  This method checks if the name of the group stored in the definition container is correct.
+    #   After updating from 3.2 to 3.3 some group names may be temporary. If there is a mismatch in the name of the group
+    #   then all the container stacks are updated, both the current and the hidden ones.
+    def checkCorrectGroupName(self, device_id: str, group_name: str):
+        if self._global_container_stack and device_id == self.activeMachineNetworkKey:
+            # Check if the connect_group_name is correct. If not, update all the containers connected to the same printer
+            if self.activeMachineNetworkGroupName != group_name:
+                metadata_filter = {"um_network_key": self.activeMachineNetworkKey}
+                hidden_containers = ContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
+                for container in hidden_containers:
+                    container.setMetaDataEntry("connect_group_name", group_name)
+
+    ##  This method checks if there is an instance connected to the given network_key
+    def existNetworkInstances(self, network_key: str) -> bool:
+        metadata_filter = {"um_network_key": network_key}
+        containers = ContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
+        return bool(containers)
+
     @pyqtSlot("QVariant")
     def setGlobalVariant(self, container_node):
         self.blurSettings.emit()
@@ -1242,6 +1259,13 @@ class MachineManager(QObject):
         if not no_dialog and self.hasUserSettings and Preferences.getInstance().getValue("cura/active_mode") == 1:
             self._application.discardOrKeepProfileChanges()
 
+    @pyqtSlot()
+    def resetToUseDefaultQuality(self):
+        with postponeSignals(*self._getContainerChangedSignals(), compress = CompressTechnique.CompressPerParameterValue):
+            self._setQualityGroup(self._current_quality_group)
+            for stack in [self._global_container_stack] + list(self._global_container_stack.extruders.values()):
+                stack.userChanges.clear()
+
     @pyqtProperty(QObject, fset = setQualityChangesGroup, notify = activeQualityChangesGroupChanged)
     def activeQualityChangesGroup(self):
         return self._current_quality_changes_group

cura/Settings/SettingVisibilityPresetsModel.py

@@ -1,136 +0,0 @@
-# Copyright (c) 2018 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-import os
-import urllib
-from configparser import ConfigParser
-
-from PyQt5.QtCore import pyqtProperty, Qt, pyqtSignal, pyqtSlot, QUrl
-
-from UM.Logger import Logger
-from UM.Qt.ListModel import ListModel
-from UM.Preferences import Preferences
-from UM.Resources import Resources
-from UM.MimeTypeDatabase import MimeTypeDatabase, MimeTypeNotFoundError
-
-import cura.CuraApplication
-
-
-class SettingVisibilityPresetsModel(ListModel):
-    IdRole = Qt.UserRole + 1
-    NameRole = Qt.UserRole + 2
-    SettingsRole = Qt.UserRole + 4
-
-    def __init__(self, parent = None):
-        super().__init__(parent)
-        self.addRoleName(self.IdRole, "id")
-        self.addRoleName(self.NameRole, "name")
-        self.addRoleName(self.SettingsRole, "settings")
-
-        self._populate()
-
-        self._preferences = Preferences.getInstance()
-        self._preferences.addPreference("cura/active_setting_visibility_preset", "custom") # Preference to store which preset is currently selected
-        self._preferences.addPreference("cura/custom_visible_settings", "") # Preference that stores the "custom" set so it can always be restored (even after a restart)
-        self._preferences.preferenceChanged.connect(self._onPreferencesChanged)
-
-        self._active_preset = self._preferences.getValue("cura/active_setting_visibility_preset")
-        if self.find("id", self._active_preset) < 0:
-            self._active_preset = "custom"
-
-        self.activePresetChanged.emit()
-
-
-    def _populate(self):
-        items = []
-        for item in Resources.getAllResourcesOfType(cura.CuraApplication.CuraApplication.ResourceTypes.SettingVisibilityPreset):
-            try:
-                mime_type = MimeTypeDatabase.getMimeTypeForFile(item)
-            except MimeTypeNotFoundError:
-                Logger.log("e", "Could not determine mime type of file %s", item)
-                continue
-
-            id = urllib.parse.unquote_plus(mime_type.stripExtension(os.path.basename(item)))
-
-            if not os.path.isfile(item):
-                continue
-
-            parser = ConfigParser(allow_no_value=True)  # accept options without any value,
-
-            try:
-                parser.read([item])
-
-                if not parser.has_option("general", "name") and not parser.has_option("general", "weight"):
-                    continue
-
-                settings = []
-                for section in parser.sections():
-                    if section == 'general':
-                        continue
-
-                    settings.append(section)
-                    for option in parser[section].keys():
-                        settings.append(option)
-
-                items.append({
-                    "id": id,
-                    "name": parser["general"]["name"],
-                    "weight": parser["general"]["weight"],
-                    "settings": settings
-                })
-
-            except Exception as e:
-                Logger.log("e", "Failed to load setting preset %s: %s", file_path, str(e))
-
-
-        items.sort(key = lambda k: (k["weight"], k["id"]))
-        self.setItems(items)
-
-    @pyqtSlot(str)
-    def setActivePreset(self, preset_id):
-        if preset_id != "custom" and self.find("id", preset_id) == -1:
-            Logger.log("w", "Tried to set active preset to unknown id %s", preset_id)
-            return
-
-        if preset_id == "custom" and self._active_preset == "custom":
-            # Copy current visibility set to custom visibility set preference so it can be restored later
-            visibility_string = self._preferences.getValue("general/visible_settings")
-            self._preferences.setValue("cura/custom_visible_settings", visibility_string)
-
-        self._preferences.setValue("cura/active_setting_visibility_preset", preset_id)
-
-        self._active_preset = preset_id
-        self.activePresetChanged.emit()
-
-    activePresetChanged = pyqtSignal()
-
-    @pyqtProperty(str, notify = activePresetChanged)
-    def activePreset(self):
-        return self._active_preset
-
-    def _onPreferencesChanged(self, name):
-        if name != "general/visible_settings":
-            return
-
-        if self._active_preset != "custom":
-            return
-
-        # Copy current visibility set to custom visibility set preference so it can be restored later
-        visibility_string = self._preferences.getValue("general/visible_settings")
-        self._preferences.setValue("cura/custom_visible_settings", visibility_string)
-
-
-    # Factory function, used by QML
-    @staticmethod
-    def createSettingVisibilityPresetsModel(engine, js_engine):
-        return SettingVisibilityPresetsModel.getInstance()
-
-    ##  Get the singleton instance for this class.
-    @classmethod
-    def getInstance(cls) -> "SettingVisibilityPresetsModel":
-        # Note: Explicit use of class name to prevent issues with inheritance.
-        if not SettingVisibilityPresetsModel.__instance:
-            SettingVisibilityPresetsModel.__instance = cls()
-        return SettingVisibilityPresetsModel.__instance
-
-    __instance = None   # type: "SettingVisibilityPresetsModel"

cura/Settings/SimpleModeSettingsManager.py

@@ -16,7 +16,8 @@ class SimpleModeSettingsManager(QObject):
         self._is_profile_user_created = False  # True when profile was custom created by user
 
         self._machine_manager.activeStackValueChanged.connect(self._updateIsProfileCustomized)
-        self._machine_manager.activeQualityChanged.connect(self._updateIsProfileUserCreated)
+        self._machine_manager.activeQualityGroupChanged.connect(self._updateIsProfileUserCreated)
+        self._machine_manager.activeQualityChangesGroupChanged.connect(self._updateIsProfileUserCreated)
 
         # update on create as the activeQualityChanged signal is emitted before this manager is created when Cura starts
         self._updateIsProfileCustomized()

plugins/3MFReader/ThreeMFWorkspaceReader.py

@@ -280,6 +280,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
         # Check if any quality_changes instance container is in conflict.
         instance_container_files = [name for name in cura_file_names if name.endswith(self._instance_container_suffix)]
         quality_name = ""
+        custom_quality_name = ""
         num_settings_overriden_by_quality_changes = 0 # How many settings are changed by the quality changes
         num_user_settings = 0
         quality_changes_conflict = False
@@ -292,7 +293,14 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
             container_id = self._stripFileToId(instance_container_file_name)
 
             serialized = archive.open(instance_container_file_name).read().decode("utf-8")
+
+            # Qualities and variants don't have upgrades, so don't upgrade them
+            parser = ConfigParser(interpolation = None)
+            parser.read_string(serialized)
+            container_type = parser["metadata"]["type"]
+            if container_type not in ("quality", "variant"):
                 serialized = InstanceContainer._updateSerialized(serialized, instance_container_file_name)
+
             parser = ConfigParser(interpolation = None)
             parser.read_string(serialized)
             container_info = ContainerInfo(instance_container_file_name, serialized, parser)
@@ -309,7 +317,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
                     position = parser["metadata"]["position"]
                     self._machine_info.quality_changes_info.extruder_info_dict[position] = container_info
 
-                quality_name = parser["general"]["name"]
+                custom_quality_name = parser["general"]["name"]
                 values = parser["values"] if parser.has_section("values") else dict()
                 num_settings_overriden_by_quality_changes += len(values)
                 # Check if quality changes already exists.
@@ -473,6 +481,8 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
 
         extruders = num_extruders * [""]
 
+        quality_name = custom_quality_name if custom_quality_name else quality_name
+
         self._machine_info.container_id = global_stack_id
         self._machine_info.name = machine_name
         self._machine_info.definition_id = machine_definition_id

plugins/GCodeWriter/GCodeWriter.py

@@ -1,17 +1,17 @@
 # Copyright (c) 2017 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+import re  # For escaping characters in the settings.
+import json
+import copy
+
 from UM.Mesh.MeshWriter import MeshWriter
 from UM.Logger import Logger
 from UM.Application import Application
 from UM.Settings.InstanceContainer import InstanceContainer
-from UM.Util import parseBool
 
-from cura.Settings.ExtruderManager import ExtruderManager
+from cura.Machines.QualityManager import getMachineDefinitionIDForQualitySearch
 
-import re #For escaping characters in the settings.
-import json
-import copy
 
 ##  Writes g-code to a file.
 #
@@ -45,6 +45,8 @@ class GCodeWriter(MeshWriter):
     def __init__(self):
         super().__init__()
 
+        self._application = Application.getInstance()
+
     ##  Writes the g-code for the entire scene to a stream.
     #
     #   Note that even though the function accepts a collection of nodes, the
@@ -94,7 +96,6 @@ class GCodeWriter(MeshWriter):
 
         return flat_container
 
-
     ##  Serialises a container stack to prepare it for writing at the end of the
     #   g-code.
     #
@@ -104,15 +105,20 @@ class GCodeWriter(MeshWriter):
     #   \param settings A container stack to serialise.
     #   \return A serialised string of the settings.
     def _serialiseSettings(self, stack):
+        container_registry = self._application.getContainerRegistry()
+        quality_manager = self._application.getQualityManager()
+
         prefix = ";SETTING_" + str(GCodeWriter.version) + " "  # The prefix to put before each line.
         prefix_length = len(prefix)
 
+        quality_type = stack.quality.getMetaDataEntry("quality_type")
         container_with_profile = stack.qualityChanges
         if container_with_profile.getId() == "empty_quality_changes":
-            Logger.log("e", "No valid quality profile found, not writing settings to g-code!")
+            # If the global quality changes is empty, create a new one
-            return ""
+            quality_name = container_registry.uniqueName(stack.quality.getName())
+            container_with_profile = quality_manager._createQualityChanges(quality_type, quality_name, stack, None)
 
-        flat_global_container = self._createFlattenedContainerInstance(stack.getTop(), container_with_profile)
+        flat_global_container = self._createFlattenedContainerInstance(stack.userChanges, container_with_profile)
         # If the quality changes is not set, we need to set type manually
         if flat_global_container.getMetaDataEntry("type", None) is None:
             flat_global_container.addMetaDataEntry("type", "quality_changes")
@@ -121,41 +127,47 @@ class GCodeWriter(MeshWriter):
         if flat_global_container.getMetaDataEntry("quality_type", None) is None:
             flat_global_container.addMetaDataEntry("quality_type", stack.quality.getMetaDataEntry("quality_type", "normal"))
 
-        # Change the default defintion
+        # Get the machine definition ID for quality profiles
-        default_machine_definition = "fdmprinter"
+        machine_definition_id_for_quality = getMachineDefinitionIDForQualitySearch(stack.definition)
-        if parseBool(stack.getMetaDataEntry("has_machine_quality", "False")):
+        flat_global_container.setMetaDataEntry("definition", machine_definition_id_for_quality)
-            default_machine_definition = stack.getMetaDataEntry("quality_definition")
-            if not default_machine_definition:
-                default_machine_definition = stack.definition.getId()
-        flat_global_container.setMetaDataEntry("definition", default_machine_definition)
 
         serialized = flat_global_container.serialize()
         data = {"global_quality": serialized}
 
-        for extruder in sorted(stack.extruders.values(), key = lambda k: k.getMetaDataEntry("position")):
+        all_setting_keys = set(flat_global_container.getAllKeys())
+        for extruder in sorted(stack.extruders.values(), key = lambda k: int(k.getMetaDataEntry("position"))):
             extruder_quality = extruder.qualityChanges
             if extruder_quality.getId() == "empty_quality_changes":
-                Logger.log("w", "No extruder quality profile found, not writing quality for extruder %s to file!", extruder.getId())
+                # Same story, if quality changes is empty, create a new one
-                continue
+                quality_name = container_registry.uniqueName(stack.quality.getName())
-            flat_extruder_quality = self._createFlattenedContainerInstance(extruder.getTop(), extruder_quality)
+                extruder_quality = quality_manager._createQualityChanges(quality_type, quality_name, stack, None)
+
+            flat_extruder_quality = self._createFlattenedContainerInstance(extruder.userChanges, extruder_quality)
             # If the quality changes is not set, we need to set type manually
             if flat_extruder_quality.getMetaDataEntry("type", None) is None:
                 flat_extruder_quality.addMetaDataEntry("type", "quality_changes")
 
             # Ensure that extruder is set. (Can happen if we have empty quality changes).
-            if flat_extruder_quality.getMetaDataEntry("extruder", None) is None:
+            if flat_extruder_quality.getMetaDataEntry("position", None) is None:
-                flat_extruder_quality.addMetaDataEntry("extruder", extruder.getBottom().getId())
+                flat_extruder_quality.addMetaDataEntry("position", extruder.getMetaDataEntry("position"))
 
             # Ensure that quality_type is set. (Can happen if we have empty quality changes).
             if flat_extruder_quality.getMetaDataEntry("quality_type", None) is None:
                 flat_extruder_quality.addMetaDataEntry("quality_type", extruder.quality.getMetaDataEntry("quality_type", "normal"))
 
-            # Change the default defintion
+            # Change the default definition
-            flat_extruder_quality.setMetaDataEntry("definition", default_machine_definition)
+            flat_extruder_quality.setMetaDataEntry("definition", machine_definition_id_for_quality)
 
             extruder_serialized = flat_extruder_quality.serialize()
             data.setdefault("extruder_quality", []).append(extruder_serialized)
 
+            all_setting_keys.update(set(flat_extruder_quality.getAllKeys()))
+
+        # Check if there is any profiles
+        if not all_setting_keys:
+            Logger.log("i", "No custom settings found, not writing settings to g-code.")
+            return ""
+
         json_string = json.dumps(data)
 
         # Escape characters that have a special meaning in g-code comments.

plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml

@@ -163,7 +163,16 @@ Item {
                         id: addedSettingsModel;
                         containerId: Cura.MachineManager.activeDefinitionId
                         expanded: [ "*" ]
-                        exclude: {
+                        filter:
+                        {
+                            if (printSequencePropertyProvider.properties.value == "one_at_a_time")
+                            {
+                                return {"settable_per_meshgroup": true};
+                            }
+                            return {"settable_per_mesh": true};
+                        }
+                        exclude:
+                        {
                             var excluded_settings = [ "support_mesh", "anti_overhang_mesh", "cutting_mesh", "infill_mesh" ];
 
                             if(meshTypeSelection.model.get(meshTypeSelection.currentIndex).type == "support_mesh")
@@ -375,7 +384,6 @@ Item {
         title: catalog.i18nc("@title:window", "Select Settings to Customize for this model")
         width: screenScaleFactor * 360
 
-        property string labelFilter: ""
         property var additional_excluded_settings
 
         onVisibilityChanged:
@@ -386,11 +394,33 @@ Item {
                 // Set skip setting, it will prevent from resetting selected mesh_type
                 contents.model.visibilityHandler.addSkipResetSetting(meshTypeSelection.model.get(meshTypeSelection.currentIndex).type)
                 listview.model.forceUpdate()
+
+                updateFilter()
             }
         }
 
+        function updateFilter()
+        {
+            var new_filter = {};
+            if (printSequencePropertyProvider.properties.value == "one_at_a_time")
+            {
+                new_filter["settable_per_meshgroup"] = true;
+            }
+            else
+            {
+                new_filter["settable_per_mesh"] = true;
+            }
+
+            if(filterInput.text != "")
+            {
+                new_filter["i18n_label"] = "*" + filterInput.text;
+            }
+
+            listview.model.filter = new_filter;
+        }
+
         TextField {
-            id: filter
+            id: filterInput
 
             anchors {
                 top: parent.top
@@ -401,17 +431,7 @@ Item {
 
             placeholderText: catalog.i18nc("@label:textbox", "Filter...");
 
-            onTextChanged:
+            onTextChanged: settingPickDialog.updateFilter()
-            {
-                if(text != "")
-                {
-                    listview.model.filter = {"settable_per_mesh": true, "i18n_label": "*" + text}
-                }
-                else
-                {
-                    listview.model.filter = {"settable_per_mesh": true}
-                }
-            }
         }
 
         CheckBox
@@ -437,7 +457,7 @@ Item {
 
             anchors
             {
-                top: filter.bottom;
+                top: filterInput.bottom;
                 left: parent.left;
                 right: parent.right;
                 bottom: parent.bottom;
@@ -449,10 +469,6 @@ Item {
                 {
                     id: definitionsModel;
                     containerId: Cura.MachineManager.activeDefinitionId
-                    filter:
-                    {
-                        "settable_per_mesh": true
-                    }
                     visibilityHandler: UM.SettingPreferenceVisibilityHandler {}
                     expanded: [ "*" ]
                     exclude:
@@ -484,6 +500,7 @@ Item {
                         }
                     }
                 }
+                Component.onCompleted: settingPickDialog.updateFilter()
             }
         }
 
@@ -507,6 +524,16 @@ Item {
         storeIndex: 0
     }
 
+    UM.SettingPropertyProvider
+    {
+        id: printSequencePropertyProvider
+
+        containerStackId: Cura.MachineManager.activeMachineId
+        key: "print_sequence"
+        watchedProperties: [ "value" ]
+        storeIndex: 0
+    }
+
     SystemPalette { id: palette; }
 
     Component

plugins/RemovableDriveOutputDevice/RemovableDriveOutputDevice.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2016 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import os.path
@@ -7,7 +7,7 @@ from UM.Application import Application
 from UM.Logger import Logger
 from UM.Message import Message
 from UM.FileHandler.WriteFileJob import WriteFileJob
-from UM.Mesh.MeshWriter import MeshWriter
+from UM.FileHandler.FileWriter import FileWriter #To check against the write modes (text vs. binary).
 from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
 from UM.OutputDevice.OutputDevice import OutputDevice
 from UM.OutputDevice import OutputDeviceError
@@ -39,7 +39,7 @@ class RemovableDriveOutputDevice(OutputDevice):
     #   MIME types available to the currently active machine?
     #
     def requestWrite(self, nodes, file_name = None, filter_by_machine = False, file_handler = None, **kwargs):
-        filter_by_machine = True # This plugin is indended to be used by machine (regardless of what it was told to do)
+        filter_by_machine = True # This plugin is intended to be used by machine (regardless of what it was told to do)
         if self._writing:
             raise OutputDeviceError.DeviceBusyError()
 
@@ -56,19 +56,21 @@ class RemovableDriveOutputDevice(OutputDevice):
             machine_file_formats = [file_type.strip() for file_type in container.getMetaDataEntry("file_formats").split(";")]
 
             # Take the intersection between file_formats and machine_file_formats.
-            file_formats = list(filter(lambda file_format: file_format["mime_type"] in machine_file_formats, file_formats))
+            format_by_mimetype = {format["mime_type"]: format for format in file_formats}
+            file_formats = [format_by_mimetype[mimetype] for mimetype in machine_file_formats] #Keep them ordered according to the preference in machine_file_formats.
 
         if len(file_formats) == 0:
             Logger.log("e", "There are no file formats available to write with!")
-            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("There are no file formats available to write with!"))
+            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:status", "There are no file formats available to write with!"))
+        preferred_format = file_formats[0]
 
         # Just take the first file format available.
         if file_handler is not None:
-            writer = file_handler.getWriterByMimeType(file_formats[0]["mime_type"])
+            writer = file_handler.getWriterByMimeType(preferred_format["mime_type"])
         else:
-            writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(file_formats[0]["mime_type"])
+            writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(preferred_format["mime_type"])
 
-        extension = file_formats[0]["extension"]
+        extension = preferred_format["extension"]
 
         if file_name is None:
             file_name = self._automaticFileName(nodes)
@@ -80,8 +82,11 @@ class RemovableDriveOutputDevice(OutputDevice):
         try:
             Logger.log("d", "Writing to %s", file_name)
             # Using buffering greatly reduces the write time for many lines of gcode
+            if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
                 self._stream = open(file_name, "wt", buffering = 1, encoding = "utf-8")
-            job = WriteFileJob(writer, self._stream, nodes, MeshWriter.OutputMode.TextMode)
+            else: #Binary mode.
+                self._stream = open(file_name, "wb", buffering = 1)
+            job = WriteFileJob(writer, self._stream, nodes, preferred_format["mode"])
             job.setFileName(file_name)
             job.progress.connect(self._onProgress)
             job.finished.connect(self._onFinished)

plugins/SimulationView/SimulationView.py

@@ -158,6 +158,9 @@ class SimulationView(View):
         return self._nozzle_node
 
     def _onSceneChanged(self, node):
+        if node.getMeshData() is None:
+            self.resetLayerData()
+        else:
             self.setActivity(False)
             self.calculateMaxLayers()
             self.calculateMaxPathsOnLayer(self._current_layer_num)

plugins/SupportEraser/SupportEraser.py

@@ -1,39 +1,103 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-from UM.Math.Vector import Vector
-from UM.Tool import Tool
-from PyQt5.QtCore import Qt, QUrl
-from UM.Application import Application
-from UM.Event import Event
-from UM.Mesh.MeshBuilder import MeshBuilder
-from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
-from UM.Settings.SettingInstance import SettingInstance
-from cura.Scene.CuraSceneNode import CuraSceneNode
-from cura.Scene.SliceableObjectDecorator import SliceableObjectDecorator
-from cura.Scene.BuildPlateDecorator import BuildPlateDecorator
-from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator
 
 import os
 import os.path
 
+from PyQt5.QtCore import Qt, QTimer
+from PyQt5.QtWidgets import QApplication
+
+from UM.Math.Vector import Vector
+from UM.Tool import Tool
+from UM.Application import Application
+from UM.Event import Event, MouseEvent
+
+from UM.Mesh.MeshBuilder import MeshBuilder
+from UM.Scene.Selection import Selection
+from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
+from cura.Scene.CuraSceneNode import CuraSceneNode
+
+from cura.PickingPass import PickingPass
+
+from UM.Operations.GroupedOperation import GroupedOperation
+from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
+from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
+from cura.Operations.SetParentOperation import SetParentOperation
+
+from cura.Scene.SliceableObjectDecorator import SliceableObjectDecorator
+from cura.Scene.BuildPlateDecorator import BuildPlateDecorator
+from UM.Scene.GroupDecorator import GroupDecorator
+from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator
+
+from UM.Settings.SettingInstance import SettingInstance
+
 class SupportEraser(Tool):
     def __init__(self):
         super().__init__()
         self._shortcut_key = Qt.Key_G
-        self._controller = Application.getInstance().getController()
+        self._controller = self.getController()
+
+        self._selection_pass = None
+        Application.getInstance().globalContainerStackChanged.connect(self._updateEnabled)
+
+        # Note: if the selection is cleared with this tool active, there is no way to switch to
+        # another tool than to reselect an object (by clicking it) because the tool buttons in the
+        # toolbar will have been disabled. That is why we need to ignore the first press event
+        # after the selection has been cleared.
+        Selection.selectionChanged.connect(self._onSelectionChanged)
+        self._had_selection = False
+        self._skip_press = False
+
+        self._had_selection_timer = QTimer()
+        self._had_selection_timer.setInterval(0)
+        self._had_selection_timer.setSingleShot(True)
+        self._had_selection_timer.timeout.connect(self._selectionChangeDelay)
 
     def event(self, event):
         super().event(event)
+        modifiers = QApplication.keyboardModifiers()
+        ctrl_is_active = modifiers & Qt.ControlModifier
 
-        if event.type == Event.ToolActivateEvent:
+        if event.type == Event.MousePressEvent and self._controller.getToolsEnabled():
+            if ctrl_is_active:
+                self._controller.setActiveTool("TranslateTool")
+                return
 
-            # Load the remover mesh:
+            if self._skip_press:
-            self._createEraserMesh()
+                # The selection was previously cleared, do not add/remove an anti-support mesh but
+                # use this click for selection and reactivating this tool only.
+                self._skip_press = False
+                return
 
-            # After we load the mesh, deactivate the tool again:
+            if self._selection_pass is None:
-            self.getController().setActiveTool(None)
+                # The selection renderpass is used to identify objects in the current view
+                self._selection_pass = Application.getInstance().getRenderer().getRenderPass("selection")
+            picked_node = self._controller.getScene().findObject(self._selection_pass.getIdAtPosition(event.x, event.y))
+            if not picked_node:
+                # There is no slicable object at the picked location
+                return
 
-    def _createEraserMesh(self):
+            node_stack = picked_node.callDecoration("getStack")
+            if node_stack:
+                if node_stack.getProperty("anti_overhang_mesh", "value"):
+                    self._removeEraserMesh(picked_node)
+                    return
+
+                elif node_stack.getProperty("support_mesh", "value") or node_stack.getProperty("infill_mesh", "value") or node_stack.getProperty("cutting_mesh", "value"):
+                    # Only "normal" meshes can have anti_overhang_meshes added to them
+                    return
+
+            # Create a pass for picking a world-space location from the mouse location
+            active_camera = self._controller.getScene().getActiveCamera()
+            picking_pass = PickingPass(active_camera.getViewportWidth(), active_camera.getViewportHeight())
+            picking_pass.render()
+
+            picked_position = picking_pass.getPickedPosition(event.x, event.y)
+
+            # Add the anti_overhang_mesh cube at the picked location
+            self._createEraserMesh(picked_node, picked_position)
+
+    def _createEraserMesh(self, parent: CuraSceneNode, position: Vector):
         node = CuraSceneNode()
 
         node.setName("Eraser")
@@ -41,9 +105,7 @@ class SupportEraser(Tool):
         mesh = MeshBuilder()
         mesh.addCube(10,10,10)
         node.setMeshData(mesh.build())
-        # Place the cube in the platform. Do it manually so it works if the "automatic drop models" is OFF
+        node.setPosition(position)
-        move_vector = Vector(0, 5, 0)
-        node.setPosition(move_vector)
 
         active_build_plate = Application.getInstance().getMultiBuildPlateModel().activeBuildPlate
 
@@ -51,21 +113,60 @@ class SupportEraser(Tool):
         node.addDecorator(BuildPlateDecorator(active_build_plate))
         node.addDecorator(SliceableObjectDecorator())
 
-        stack = node.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway.
+        stack = node.callDecoration("getStack") # created by SettingOverrideDecorator
-        if not stack:
-            node.addDecorator(SettingOverrideDecorator())
-            stack = node.callDecoration("getStack")
-
         settings = stack.getTop()
 
-        if not (settings.getInstance("anti_overhang_mesh") and settings.getProperty("anti_overhang_mesh", "value")):
         definition = stack.getSettingDefinition("anti_overhang_mesh")
         new_instance = SettingInstance(definition, settings)
         new_instance.setProperty("value", True)
         new_instance.resetState()  # Ensure that the state is not seen as a user state.
         settings.addInstance(new_instance)
 
-        scene = self._controller.getScene()
+        root = self._controller.getScene().getRoot()
-        op = AddSceneNodeOperation(node, scene.getRoot())
+
+        op = GroupedOperation()
+        # First add the node to the scene, so it gets the expected transform
+        op.addOperation(AddSceneNodeOperation(node, root))
+        op.addOperation(SetParentOperation(node, parent))
         op.push()
+
         Application.getInstance().getController().getScene().sceneChanged.emit(node)
+
+    def _removeEraserMesh(self, node: CuraSceneNode):
+        parent = node.getParent()
+        if parent == self._controller.getScene().getRoot():
+            parent = None
+
+        op = RemoveSceneNodeOperation(node)
+        op.push()
+
+        if parent and not Selection.isSelected(parent):
+            Selection.add(parent)
+
+        Application.getInstance().getController().getScene().sceneChanged.emit(node)
+
+    def _updateEnabled(self):
+        plugin_enabled = False
+
+        global_container_stack = Application.getInstance().getGlobalContainerStack()
+        if global_container_stack:
+            plugin_enabled = global_container_stack.getProperty("anti_overhang_mesh", "enabled")
+
+        Application.getInstance().getController().toolEnabledChanged.emit(self._plugin_id, plugin_enabled)
+
+    def _onSelectionChanged(self):
+        # When selection is passed from one object to another object, first the selection is cleared
+        # and then it is set to the new object. We are only interested in the change from no selection
+        # to a selection or vice-versa, not in a change from one object to another. A timer is used to
+        # "merge" a possible clear/select action in a single frame
+        if Selection.hasSelection() != self._had_selection:
+            self._had_selection_timer.start()
+
+    def _selectionChangeDelay(self):
+        has_selection = Selection.hasSelection()
+        if not has_selection and self._had_selection:
+            self._skip_press = True
+        else:
+            self._skip_press = False
+
+        self._had_selection = has_selection

plugins/UM3NetworkPrinting/ClusterUM3PrinterOutputController.py

@@ -13,6 +13,7 @@ class ClusterUM3PrinterOutputController(PrinterOutputController):
     def __init__(self, output_device):
         super().__init__(output_device)
         self.can_pre_heat_bed = False
+        self.can_pre_heat_hotends = False
         self.can_control_manually = False
 
     def setJobState(self, job: "PrintJobOutputModel", state: str):

plugins/UM3NetworkPrinting/DiscoverUM3Action.py

@@ -147,6 +147,10 @@ class DiscoverUM3Action(MachineAction):
 
         return ""
 
+    @pyqtSlot(str, result = bool)
+    def existsKey(self, key) -> bool:
+        return Application.getInstance().getMachineManager().existNetworkInstances(network_key = key)
+
     @pyqtSlot()
     def loadConfigurationFromPrinter(self):
         machine_manager = Application.getInstance().getMachineManager()

plugins/UM3NetworkPrinting/DiscoverUM3Action.qml

@@ -5,6 +5,7 @@ import QtQuick 2.2
 import QtQuick.Controls 1.1
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.1
+import QtQuick.Dialogs 1.2
 
 Cura.MachineAction
 {
@@ -34,13 +35,31 @@ Cura.MachineAction
             var printerKey = base.selectedDevice.key
             var printerName = base.selectedDevice.name  // TODO To change when the groups have a name
             if (manager.getStoredKey() != printerKey)
+            {
+                // Check if there is another instance with the same key
+                if (!manager.existsKey(printerKey))
                 {
                     manager.setKey(printerKey)
                     manager.setGroupName(printerName)   // TODO To change when the groups have a name
                     completed()
                 }
+                else
+                {
+                    existingConnectionDialog.open()
                 }
             }
+        }
+    }
+
+    MessageDialog
+    {
+        id: existingConnectionDialog
+        title: catalog.i18nc("@window:title", "Existing Connection")
+        icon: StandardIcon.Information
+        text: catalog.i18nc("@message:text", "This printer/group is already added to Cura. Please select another printer/group.")
+        standardButtons: StandardButton.Ok
+        modality: Qt.ApplicationModal
+    }
 
     Column
     {

plugins/UM3NetworkPrinting/UM3OutputDevicePlugin.py

@@ -82,6 +82,9 @@ class UM3OutputDevicePlugin(OutputDevicePlugin):
             self._zero_conf_browser.cancel()
             self._zero_conf_browser = None  # Force the old ServiceBrowser to be destroyed.
 
+        for instance_name in list(self._discovered_devices):
+            self._onRemoveDevice(instance_name)
+
         self._zero_conf = Zeroconf()
         self._zero_conf_browser = ServiceBrowser(self._zero_conf, u'_ultimaker._tcp.local.',
                                                  [self._appendServiceChangedRequest])

plugins/USBPrinting/USBPrinterOutputController.py

@@ -1,68 +0,0 @@
-# Copyright (c) 2017 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
-from PyQt5.QtCore import QTimer
-
-MYPY = False
-if MYPY:
-    from cura.PrinterOutput.PrintJobOutputModel import PrintJobOutputModel
-    from cura.PrinterOutput.PrinterOutputModel import PrinterOutputModel
-
-
-class USBPrinterOutputController(PrinterOutputController):
-    def __init__(self, output_device):
-        super().__init__(output_device)
-
-        self._preheat_bed_timer = QTimer()
-        self._preheat_bed_timer.setSingleShot(True)
-        self._preheat_bed_timer.timeout.connect(self._onPreheatBedTimerFinished)
-        self._preheat_printer = None
-
-    def moveHead(self, printer: "PrinterOutputModel", x, y, z, speed):
-        self._output_device.sendCommand("G91")
-        self._output_device.sendCommand("G0 X%s Y%s Z%s F%s" % (x, y, z, speed))
-        self._output_device.sendCommand("G90")
-
-    def homeHead(self, printer):
-        self._output_device.sendCommand("G28 X")
-        self._output_device.sendCommand("G28 Y")
-
-    def homeBed(self, printer):
-        self._output_device.sendCommand("G28 Z")
-
-    def setJobState(self, job: "PrintJobOutputModel", state: str):
-        if state == "pause":
-            self._output_device.pausePrint()
-            job.updateState("paused")
-        elif state == "print":
-            self._output_device.resumePrint()
-            job.updateState("printing")
-        elif state == "abort":
-            self._output_device.cancelPrint()
-            pass
-
-    def preheatBed(self, printer: "PrinterOutputModel", temperature, duration):
-        try:
-            temperature = round(temperature)  # The API doesn't allow floating point.
-            duration = round(duration)
-        except ValueError:
-            return  # Got invalid values, can't pre-heat.
-
-        self.setTargetBedTemperature(printer, temperature=temperature)
-        self._preheat_bed_timer.setInterval(duration * 1000)
-        self._preheat_bed_timer.start()
-        self._preheat_printer = printer
-        printer.updateIsPreheating(True)
-
-    def cancelPreheatBed(self, printer: "PrinterOutputModel"):
-        self.preheatBed(printer, temperature=0, duration=0)
-        self._preheat_bed_timer.stop()
-        printer.updateIsPreheating(False)
-
-    def setTargetBedTemperature(self, printer: "PrinterOutputModel", temperature: int):
-        self._output_device.sendCommand("M140 S%s" % temperature)
-
-    def _onPreheatBedTimerFinished(self):
-        self.setTargetBedTemperature(self._preheat_printer, 0)
-        self._preheat_printer.updateIsPreheating(False)

plugins/USBPrinting/USBPrinterOutputDevice.py

@@ -10,9 +10,9 @@ from UM.PluginRegistry import PluginRegistry
 from cura.PrinterOutputDevice import PrinterOutputDevice, ConnectionState
 from cura.PrinterOutput.PrinterOutputModel import PrinterOutputModel
 from cura.PrinterOutput.PrintJobOutputModel import PrintJobOutputModel
+from cura.PrinterOutput.GenericOutputController import GenericOutputController
 
 from .AutoDetectBaudJob import AutoDetectBaudJob
-from .USBPrinterOutputController import USBPrinterOutputController
 from .avr_isp import stk500v2, intelHex
 
 from PyQt5.QtCore import pyqtSlot, pyqtSignal, pyqtProperty
@@ -240,7 +240,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         container_stack = Application.getInstance().getGlobalContainerStack()
         num_extruders = container_stack.getProperty("machine_extruder_count", "value")
         # Ensure that a printer is created.
-        self._printers = [PrinterOutputModel(output_controller=USBPrinterOutputController(self), number_of_extruders=num_extruders)]
+        self._printers = [PrinterOutputModel(output_controller=GenericOutputController(self), number_of_extruders=num_extruders)]
         self._printers[0].updateName(container_stack.getName())
         self.setConnectionState(ConnectionState.connected)
         self._update_thread.start()
@@ -372,7 +372,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         elapsed_time = int(time() - self._print_start_time)
         print_job = self._printers[0].activePrintJob
         if print_job is None:
-            print_job = PrintJobOutputModel(output_controller = USBPrinterOutputController(self), name= Application.getInstance().getPrintInformation().jobName)
+            print_job = PrintJobOutputModel(output_controller = GenericOutputController(self), name= Application.getInstance().getPrintInformation().jobName)
             print_job.updateState("printing")
             self._printers[0].updateActivePrintJob(print_job)
 

plugins/VersionUpgrade/VersionUpgrade26to27/VersionUpgrade26to27.py

@@ -153,6 +153,10 @@ class VersionUpgrade26to27(VersionUpgrade):
                 if new_id is not None:
                     parser.set("containers", key, new_id)
 
+        if "6" not in parser["containers"]:
+            parser["containers"]["6"] = parser["containers"]["5"]
+            parser["containers"]["5"] = "empty"
+
         for each_section in ("general", "metadata"):
             if not parser.has_section(each_section):
                 parser.add_section(each_section)

plugins/XmlMaterialProfile/XmlMaterialProfile.py

@@ -208,14 +208,9 @@ class XmlMaterialProfile(InstanceContainer):
         machine_variant_map = {}
 
         variant_manager = CuraApplication.getInstance().getVariantManager()
-        material_manager = CuraApplication.getInstance().getMaterialManager()
 
         root_material_id = self.getMetaDataEntry("base_file")  # if basefile is self.getId, this is a basefile.
-        material_group = material_manager.getMaterialGroup(root_material_id)
+        all_containers = registry.findInstanceContainers(base_file = root_material_id)
-
-        all_containers = []
-        for node in [material_group.root_material_node] + material_group.derived_material_node_list:
-            all_containers.append(node.getContainer())
 
         for container in all_containers:
             definition_id = container.getMetaDataEntry("definition")
@@ -242,7 +237,7 @@ class XmlMaterialProfile(InstanceContainer):
 
         for definition_id, container in machine_container_map.items():
             definition_id = container.getMetaDataEntry("definition")
-            definition_metadata = ContainerRegistry.getInstance().findDefinitionContainersMetadata(id = definition_id)[0]
+            definition_metadata = registry.findDefinitionContainersMetadata(id = definition_id)[0]
 
             product = definition_id
             for product_name, product_id_list in product_id_map.items():

resources/definitions/bq_hephestos_xl.def.json

@@ -6,7 +6,7 @@
         "visible": true,
         "manufacturer": "BQ",
         "author": "BQ",
-        "file_formats": "text/x-code",
+        "file_formats": "text/x-gcode",
         "platform": "bq_hephestos_platform.stl",
         "platform_offset": [ 0, -82, 0]
     },

resources/definitions/fdmprinter.def.json

@@ -632,6 +632,73 @@
                     "settable_per_extruder": false,
                     "settable_per_meshgroup": false
                 },
+                "machine_steps_per_mm_x":
+                {
+                    "label": "Steps per Millimeter (X)",
+                    "description": "How many steps of the stepper motor will result in one millimeter of movement in the X direction.",
+                    "type": "int",
+                    "default_value": 50,
+                    "minimum_value": "0.0000001",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_steps_per_mm_y":
+                {
+                    "label": "Steps per Millimeter (Y)",
+                    "description": "How many steps of the stepper motor will result in one millimeter of movement in the Y direction.",
+                    "type": "int",
+                    "default_value": 50,
+                    "minimum_value": "0.0000001",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_steps_per_mm_z":
+                {
+                    "label": "Steps per Millimeter (Z)",
+                    "description": "How many steps of the stepper motor will result in one millimeter of movement in the Z direction.",
+                    "type": "int",
+                    "default_value": 50,
+                    "minimum_value": "0.0000001",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_steps_per_mm_e":
+                {
+                    "label": "Steps per Millimeter (E)",
+                    "description": "How many steps of the stepper motors will result in one millimeter of extrusion.",
+                    "type": "int",
+                    "default_value": 1600,
+                    "minimum_value": "0.0000001",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_endstop_positive_direction_x":
+                {
+                    "label": "X Endstop in Positive Direction",
+                    "description": "Whether the endstop of the X axis is in the positive direction (high X coordinate) or negative (low X coordinate).",
+                    "type": "bool",
+                    "default_value": false,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_endstop_positive_direction_y":
+                {
+                    "label": "Y Endstop in Positive Direction",
+                    "description": "Whether the endstop of the Y axis is in the positive direction (high Y coordinate) or negative (low Y coordinate).",
+                    "type": "bool",
+                    "default_value": false,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
+                "machine_endstop_positive_direction_z":
+                {
+                    "label": "Z Endstop in Positive Direction",
+                    "description": "Whether the endstop of the Z axis is in the positive direction (high Z coordinate) or negative (low Z coordinate).",
+                    "type": "bool",
+                    "default_value": true,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
+                },
                 "machine_minimum_feedrate":
                 {
                     "label": "Minimum Feedrate",
@@ -642,6 +709,16 @@
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
                     "settable_per_meshgroup": false
+                },
+                "machine_feeder_wheel_diameter":
+                {
+                    "label": "Feeder Wheel Diameter",
+                    "description": "The diameter of the wheel that drives the material in the feeder.",
+                    "unit": "mm",
+                    "type": "float",
+                    "default_value": 10.0,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true
                 }
             }
         },

resources/definitions/malyan_m180.def.json

@@ -25,8 +25,7 @@
             "default_value": true
         },
         "machine_nozzle_size": {
-            "default_value": 0.4,
+            "default_value": 0.4
-            "minimum_value": "0.001"
         },
         "machine_head_with_fans_polygon": {
             "default_value": [
@@ -36,6 +35,21 @@
                 [ 18, 35 ]
             ]
         },
+        "machine_max_feedrate_z": {
+            "default_value": 400
+        },
+        "machine_steps_per_mm_x": {
+            "default_value": 93
+        },
+        "machine_steps_per_mm_y": {
+            "default_value": 93
+        },
+        "machine_steps_per_mm_z": {
+            "default_value": 1600
+        },
+        "machine_steps_per_mm_e": {
+            "default_value": 92
+        },
         "gantry_height": {
             "default_value": 55
         },

resources/definitions/seemecnc_artemis.def.json

@@ -25,6 +25,7 @@
         "machine_nozzle_size": { "default_value": 0.5 },
         "machine_shape": { "default_value": "elliptic" },
         "machine_width": { "default_value": 290 },
+        "material_diameter": { "default_value": 1.75 },
         "relative_extrusion": { "default_value": false },
         "retraction_amount": { "default_value": 3.2 },
         "retraction_combing": { "default_value": "off" },

resources/definitions/seemecnc_v32.def.json

@@ -25,6 +25,7 @@
         "machine_nozzle_size": { "default_value": 0.5 },
         "machine_shape": { "default_value": "elliptic" },
         "machine_width": { "default_value": 265 },
+        "material_diameter": { "default_value": 1.75 },
         "relative_extrusion": { "default_value": false },
         "retraction_amount": { "default_value": 3.2 },
         "retraction_combing": { "default_value": "off" },

resources/qml/Cura.qml

@@ -217,6 +217,7 @@ UM.MainWindow
                             text: catalog.i18nc("@action:inmenu", "Disable Extruder")
                             onTriggered: Cura.MachineManager.setExtruderEnabled(model.index, false)
                             visible: Cura.MachineManager.getExtruder(model.index).isEnabled
+                            enabled: Cura.MachineManager.numberExtrudersEnabled > 1
                         }
 
                     }

resources/qml/MachineSelection.qml

@@ -10,17 +10,22 @@ import UM 1.2 as UM
 import Cura 1.0 as Cura
 import "Menus"
 
-ToolButton {
+ToolButton
+{
     id: base
     property bool isNetworkPrinter: Cura.MachineManager.activeMachineNetworkKey != ""
+    property bool printerConnected: Cura.MachineManager.printerOutputDevices.length != 0
     property var printerStatus: Cura.MachineManager.printerOutputDevices.length != 0 ? "connected" : "disconnected"
     text: isNetworkPrinter ? Cura.MachineManager.activeMachineNetworkGroupName : Cura.MachineManager.activeMachineName
 
     tooltip: Cura.MachineManager.activeMachineName
 
-    style: ButtonStyle {
+    style: ButtonStyle
-        background: Rectangle {
+    {
-            color: {
+        background: Rectangle
+        {
+            color:
+            {
                 if (control.pressed) {
                     return UM.Theme.getColor("sidebar_header_active");
                 }
@@ -33,7 +38,8 @@ ToolButton {
             }
             Behavior on color { ColorAnimation { duration: 50; } }
 
-            UM.RecolorImage {
+            UM.RecolorImage
+            {
                 id: downArrow
                 anchors.verticalCenter: parent.verticalCenter
                 anchors.right: parent.right
@@ -46,24 +52,27 @@ ToolButton {
                 source: UM.Theme.getIcon("arrow_bottom")
             }
 
-            PrinterStatusIcon {
+            PrinterStatusIcon
+            {
                 id: printerStatusIcon
-                visible: isNetworkPrinter
+                visible: printerConnected || isNetworkPrinter
                 status: printerStatus
-                anchors {
+                anchors
+                {
                     verticalCenter: parent.verticalCenter
                     left: parent.left
                     leftMargin: UM.Theme.getSize("sidebar_margin").width
                 }
             }
 
-            Label {
+            Label
+            {
                 id: sidebarComboBoxLabel
                 color: UM.Theme.getColor("sidebar_header_text_active")
                 text: control.text;
                 elide: Text.ElideRight;
-                anchors.left: isNetworkPrinter ? printerStatusIcon.right : parent.left;
+                anchors.left: printerStatusIcon.visible ? printerStatusIcon.right : parent.left;
-                anchors.leftMargin: isNetworkPrinter ? UM.Theme.getSize("sidebar_lining").width : UM.Theme.getSize("sidebar_margin").width
+                anchors.leftMargin: printerStatusIcon.visible ? UM.Theme.getSize("sidebar_lining").width : UM.Theme.getSize("sidebar_margin").width
                 anchors.right: downArrow.left;
                 anchors.rightMargin: control.rightMargin;
                 anchors.verticalCenter: parent.verticalCenter;
@@ -74,14 +83,4 @@ ToolButton {
     }
 
     menu: PrinterMenu { }
-
-    // Make the toolbutton react when the outputdevice changes
-    Connections
-    {
-        target: Cura.MachineManager
-        onOutputDevicesChanged:
-        {
-            base.isNetworkPrinter = Cura.MachineManager.activeMachineNetworkKey != ""
-        }
-    }
 }

resources/qml/Menus/ConfigurationMenu/ConfigurationListView.qml

@@ -66,6 +66,7 @@ Column
                 configuration: modelData
                 onActivateConfiguration:
                 {
+                    switchPopupState()
                     Cura.MachineManager.applyRemoteConfiguration(configuration)
                 }
             }

resources/qml/Menus/ConfigurationMenu/ConfigurationSelection.qml

@@ -13,54 +13,53 @@ Item
     id: configurationSelector
     property var connectedDevice: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
     property var panelWidth: control.width
-    property var panelVisible: false
 
-    SyncButton {
+    function switchPopupState()
-        onClicked: configurationSelector.state == "open" ? configurationSelector.state = "closed" : configurationSelector.state = "open"
+    {
+        popup.visible ? popup.close() : popup.open()
+    }
+
+    SyncButton
+    {
+        id: syncButton
+        onClicked: switchPopupState()
         outputDevice: connectedDevice
     }
 
-    Popup {
+    Popup
+    {
+        // TODO Change once updating to Qt5.10 - The 'opened' property is in 5.10 but the behavior is now implemented with the visible property
         id: popup
         clip: true
+        closePolicy: Popup.CloseOnPressOutsideParent
         y: configurationSelector.height - UM.Theme.getSize("default_lining").height
         x: configurationSelector.width - width
         width: panelWidth
-        visible: panelVisible && connectedDevice != null
+        visible: false
         padding: UM.Theme.getSize("default_lining").width
-        contentItem: ConfigurationListView {
+        transformOrigin: Popup.Top
+        contentItem: ConfigurationListView
+        {
             id: configList
             width: panelWidth - 2 * popup.padding
             outputDevice: connectedDevice
         }
-        background: Rectangle {
+        background: Rectangle
+        {
             color: UM.Theme.getColor("setting_control")
             border.color: UM.Theme.getColor("setting_control_border")
         }
-    }
+        exit: Transition
-
+        {
-    states: [
-        // This adds a second state to the container where the rectangle is farther to the right
-        State {
-            name: "open"
-            PropertyChanges {
-                target: popup
-                height: configList.computedHeight
-            }
-        },
-        State {
-            name: "closed"
-            PropertyChanges {
-                target: popup
-                height: 0
-            }
-        }
-    ]
-    transitions: [
-        // This adds a transition that defaults to applying to all state changes
-        Transition {
             // This applies a default NumberAnimation to any changes a state change makes to x or y properties
-            NumberAnimation { properties: "height"; duration: 200; easing.type: Easing.InOutQuad; }
+            NumberAnimation { property: "visible"; duration: 75; }
+        }
+        enter: Transition
+        {
+            // This applies a default NumberAnimation to any changes a state change makes to x or y properties
+            NumberAnimation { property: "visible"; duration: 75; }
+        }
+        onClosed: visible = false
+        onOpened: visible = true
     }
-    ]
 }

resources/qml/Menus/ConfigurationMenu/SyncButton.qml

@@ -68,7 +68,8 @@ Button
                 color: UM.Theme.getColor("text_emphasis")
                 source: UM.Theme.getIcon("arrow_bottom")
             }
-            UM.RecolorImage {
+            UM.RecolorImage
+            {
                 id: sidebarComboBoxLabel
                 anchors.left: parent.left
                 anchors.leftMargin: UM.Theme.getSize("default_margin").width
@@ -86,22 +87,15 @@ Button
         label: Label {}
     }
 
-    onClicked:
+    Connections
     {
-        panelVisible = !panelVisible
-    }
-
-    Connections {
         target: outputDevice
-        onUniqueConfigurationsChanged: {
+        onUniqueConfigurationsChanged: updateOnSync()
-            updateOnSync()
-        }
     }
 
-    Connections {
+    Connections
+    {
         target: Cura.MachineManager
-        onCurrentConfigurationChanged: {
+        onCurrentConfigurationChanged: updateOnSync()
-            updateOnSync()
-        }
     }
 }

resources/qml/Menus/ContextMenu.qml

@@ -31,7 +31,7 @@ Menu
         MenuItem {
             text: "%1: %2 - %3".arg(model.name).arg(model.material).arg(model.variant)
             visible: base.shouldShowExtruders
-            enabled: UM.Selection.hasSelection
+            enabled: UM.Selection.hasSelection && model.enabled
             checkable: true
             checked: Cura.ExtruderManager.selectedObjectExtruders.indexOf(model.id) != -1
             onTriggered: CuraActions.setExtruderForSelection(model.id)

resources/qml/Menus/SettingVisibilityPresetsMenu.qml

@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
+import QtQuick 2.7
-import QtQuick.Controls 1.1
+import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -12,44 +12,26 @@ Menu
     id: menu
     title: catalog.i18nc("@action:inmenu", "Visible Settings")
 
+    property QtObject settingVisibilityPresetsModel: CuraApplication.getSettingVisibilityPresetsModel()
     property bool showingSearchResults
     property bool showingAllSettings
 
     signal showAllSettings()
     signal showSettingVisibilityProfile()
 
-    MenuItem
-    {
-        text: catalog.i18nc("@action:inmenu", "Custom selection")
-        checkable: true
-        checked: !showingSearchResults && !showingAllSettings && Cura.SettingVisibilityPresetsModel.activePreset == "custom"
-        exclusiveGroup: group
-        onTriggered:
-        {
-            Cura.SettingVisibilityPresetsModel.setActivePreset("custom");
-            // Restore custom set from preference
-            UM.Preferences.setValue("general/visible_settings", UM.Preferences.getValue("cura/custom_visible_settings"));
-            showSettingVisibilityProfile();
-        }
-    }
-    MenuSeparator { }
-
     Instantiator
     {
-        model: Cura.SettingVisibilityPresetsModel
+        model: settingVisibilityPresetsModel
 
         MenuItem
         {
             text: model.name
             checkable: true
-            checked: model.id == Cura.SettingVisibilityPresetsModel.activePreset
+            checked: model.id == settingVisibilityPresetsModel.activePreset
             exclusiveGroup: group
             onTriggered:
             {
-                Cura.SettingVisibilityPresetsModel.setActivePreset(model.id);
+                settingVisibilityPresetsModel.setActivePreset(model.id);
-
-                UM.Preferences.setValue("general/visible_settings", model.settings.join(";"));
-
                 showSettingVisibilityProfile();
             }
         }

resources/qml/Preferences/MaterialView.qml

@@ -36,8 +36,8 @@ TabView
         if (!base.containerId || !base.editingEnabled) {
             return ""
         }
-        var linkedMaterials = Cura.ContainerManager.getLinkedMaterials(base.currentMaterialNode);
+        var linkedMaterials = Cura.ContainerManager.getLinkedMaterials(base.currentMaterialNode, true);
-        if (linkedMaterials.length <= 1) {
+        if (linkedMaterials.length == 0) {
             return ""
         }
         return linkedMaterials.join(", ");
@@ -99,6 +99,7 @@ TabView
                     property var new_diameter_value: null;
                     property var old_diameter_value: null;
                     property var old_approximate_diameter_value: null;
+                    property bool keyPressed: false
 
                     onYes:
                     {
@@ -112,6 +113,16 @@ TabView
                         properties.diameter = old_diameter_value;
                         diameterSpinBox.value = properties.diameter;
                     }
+
+                    onVisibilityChanged:
+                    {
+                        if (!visible && !keyPressed)
+                        {
+                            // If the user closes this dialog without clicking on any button, it's the same as clicking "No".
+                            no();
+                        }
+                        keyPressed = false;
+                    }
                 }
 
                 Label { width: scrollView.columnWidth; height: parent.rowHeight; verticalAlignment: Qt.AlignVCenter; text: catalog.i18nc("@label", "Display Name") }
@@ -222,7 +233,7 @@ TabView
                         var old_diameter = Cura.ContainerManager.getContainerProperty(base.containerId, "material_diameter", "value").toString();
                         var old_approximate_diameter = Cura.ContainerManager.getContainerMetaDataEntry(base.containerId, "approximate_diameter");
                         var new_approximate_diameter = getApproximateDiameter(value);
-                        if (Cura.MachineManager.filterMaterialsByMachine && new_approximate_diameter != Cura.ExtruderManager.getActiveExtruderStack().approximateMaterialDiameter)
+                        if (new_approximate_diameter != Cura.ExtruderManager.getActiveExtruderStack().approximateMaterialDiameter)
                         {
                             confirmDiameterChangeDialog.old_diameter_value = old_diameter;
                             confirmDiameterChangeDialog.new_diameter_value = value;

resources/qml/Preferences/MaterialsPage.qml

@@ -364,6 +364,7 @@ Item
             }
 
             width: true ? (parent.width * 0.4) | 0 : parent.width
+            frameVisible: true
 
             ListView
             {

resources/qml/Preferences/ProfilesPage.qml

@@ -369,6 +369,7 @@ Item
             }
 
             width: true ? (parent.width * 0.4) | 0 : parent.width
+            frameVisible: true
 
             ListView
             {

resources/qml/Preferences/ReadOnlySpinBox.qml

@@ -34,6 +34,8 @@ Item
         anchors.fill: parent
 
         onEditingFinished: base.editingFinished()
+        Keys.onEnterPressed: base.editingFinished()
+        Keys.onReturnPressed: base.editingFinished()
     }
 
     Label

resources/qml/Preferences/ReadOnlyTextField.qml

@@ -29,6 +29,8 @@ Item
         anchors.fill: parent
 
         onEditingFinished: base.editingFinished()
+        Keys.onEnterPressed: base.editingFinished()
+        Keys.onReturnPressed: base.editingFinished()
     }
 
     Label

resources/qml/Preferences/SettingVisibilityPage.qml

@@ -13,6 +13,8 @@ UM.PreferencesPage
 {
     title: catalog.i18nc("@title:tab", "Setting Visibility");
 
+    property QtObject settingVisibilityPresetsModel: CuraApplication.getSettingVisibilityPresetsModel()
+
     property int scrollToIndex: 0
 
     signal scrollToSection( string key )
@@ -27,8 +29,7 @@ UM.PreferencesPage
 
         // After calling this function update Setting visibility preset combobox.
         // Reset should set default setting preset ("Basic")
-        visibilityPreset.setDefaultPreset()
+        visibilityPreset.currentIndex = 1
-
     }
     resetEnabled: true;
 
@@ -37,8 +38,6 @@ UM.PreferencesPage
         id: base;
         anchors.fill: parent;
 
-        property bool inhibitSwitchToCustom: false
-
         CheckBox
         {
             id: toggleVisibleSettings
@@ -112,11 +111,6 @@ UM.PreferencesPage
 
         ComboBox
         {
-            function setDefaultPreset()
-            {
-                visibilityPreset.currentIndex = 0
-            }
-
             id: visibilityPreset
             width: 150 * screenScaleFactor
             anchors
@@ -125,51 +119,25 @@ UM.PreferencesPage
                 right: parent.right
             }
 
-            model: ListModel
+            model: settingVisibilityPresetsModel
-            {
+            textRole: "name"
-                id: visibilityPresetsModel
-                Component.onCompleted:
-                {
-                    visibilityPresetsModel.append({text: catalog.i18nc("@action:inmenu", "Custom selection"), id: "custom"});
-
-                    var presets = Cura.SettingVisibilityPresetsModel;
-                    for(var i = 0; i < presets.rowCount(); i++)
-                    {
-                        visibilityPresetsModel.append({text: presets.getItem(i)["name"], id: presets.getItem(i)["id"]});
-                    }
-                }
-            }
 
             currentIndex:
             {
                 // Load previously selected preset.
-                var index = Cura.SettingVisibilityPresetsModel.find("id", Cura.SettingVisibilityPresetsModel.activePreset);
+                var index = settingVisibilityPresetsModel.find("id", settingVisibilityPresetsModel.activePreset)
                 if (index == -1)
                 {
-                    return 0;
+                    return 0
                 }
 
-                return index + 1; // "Custom selection" entry is added in front, so index is off by 1
+                return index
             }
 
             onActivated:
             {
-                base.inhibitSwitchToCustom = true;
+                var preset_id = settingVisibilityPresetsModel.getItem(index).id;
-                var preset_id = visibilityPresetsModel.get(index).id;
+                settingVisibilityPresetsModel.setActivePreset(preset_id);
-                Cura.SettingVisibilityPresetsModel.setActivePreset(preset_id);
-
-                UM.Preferences.setValue("cura/active_setting_visibility_preset", preset_id);
-                if (preset_id != "custom")
-                {
-                    UM.Preferences.setValue("general/visible_settings", Cura.SettingVisibilityPresetsModel.getItem(index - 1).settings.join(";"));
-                    // "Custom selection" entry is added in front, so index is off by 1
-                }
-                else
-                {
-                    // Restore custom set from preference
-                    UM.Preferences.setValue("general/visible_settings", UM.Preferences.getValue("cura/custom_visible_settings"));
-                }
-                base.inhibitSwitchToCustom = false;
             }
         }
 
@@ -199,16 +167,7 @@ UM.PreferencesPage
                     exclude: ["machine_settings", "command_line_settings"]
                     showAncestors: true
                     expanded: ["*"]
-                    visibilityHandler: UM.SettingPreferenceVisibilityHandler
+                    visibilityHandler: UM.SettingPreferenceVisibilityHandler {}
-                    {
-                        onVisibilityChanged:
-                        {
-                            if(Cura.SettingVisibilityPresetsModel.activePreset != "" && !base.inhibitSwitchToCustom)
-                            {
-                                Cura.SettingVisibilityPresetsModel.setActivePreset("custom");
-                            }
-                        }
-                    }
                 }
 
                 delegate: Loader

resources/qml/PrinterOutput/ExtruderBox.qml

@@ -12,9 +12,20 @@ Item
     property alias color: background.color
     property var extruderModel
     property var position: index
-    //width: index == machineExtruderCount.properties.value - 1 && index % 2 == 0 ? extrudersGrid.width : Math.floor(extrudersGrid.width / 2 - UM.Theme.getSize("sidebar_lining_thin").width / 2)
     implicitWidth: parent.width
     implicitHeight: UM.Theme.getSize("sidebar_extruder_box").height
+
+    UM.SettingPropertyProvider
+    {
+        id: extruderTemperature
+        containerStackId: Cura.ExtruderManager.extruderIds[position]
+        key: "material_print_temperature"
+        watchedProperties: ["value", "minimum_value", "maximum_value", "resolve"]
+        storeIndex: 0
+
+        property var resolve: Cura.MachineManager.activeStackId != Cura.MachineManager.activeMachineId ? properties.resolve : "None"
+    }
+
     Rectangle
     {
         id: background
@@ -34,12 +45,11 @@ Item
         {
             id: extruderTargetTemperature
             text: Math.round(extruderModel.targetHotendTemperature) + "°C"
-            //text: (connectedPrinter != null && connectedPrinter.hotendIds[index] != null && connectedPrinter.targetHotendTemperatures[index] != null) ? Math.round(connectedPrinter.targetHotendTemperatures[index]) + "°C" : ""
             font: UM.Theme.getFont("small")
             color: UM.Theme.getColor("text_inactive")
             anchors.right: parent.right
             anchors.rightMargin: UM.Theme.getSize("default_margin").width
-            anchors.bottom: extruderTemperature.bottom
+            anchors.bottom: extruderCurrentTemperature.bottom
 
             MouseArea //For tooltip.
             {
@@ -52,7 +62,7 @@ Item
                     {
                         base.showTooltip(
                             base,
-                            {x: 0, y: extruderTargetTemperature.mapToItem(base, 0, -parent.height / 4).y},
+                            {x: 0, y: extruderTargetTemperature.mapToItem(base, 0, Math.floor(-parent.height / 4)).y},
                             catalog.i18nc("@tooltip", "The target temperature of the hotend. The hotend will heat up or cool down towards this temperature. If this is 0, the hotend heating is turned off.")
                         );
                     }
@@ -65,9 +75,8 @@ Item
         }
         Label //Temperature indication.
         {
-            id: extruderTemperature
+            id: extruderCurrentTemperature
             text: Math.round(extruderModel.hotendTemperature) + "°C"
-            //text: (connectedPrinter != null && connectedPrinter.hotendIds[index] != null && connectedPrinter.hotendTemperatures[index] != null) ? Math.round(connectedPrinter.hotendTemperatures[index]) + "°C" : ""
             color: UM.Theme.getColor("text")
             font: UM.Theme.getFont("large")
             anchors.right: extruderTargetTemperature.left
@@ -76,7 +85,7 @@ Item
 
             MouseArea //For tooltip.
             {
-                id: extruderTemperatureTooltipArea
+                id: extruderCurrentTemperatureTooltipArea
                 hoverEnabled: true
                 anchors.fill: parent
                 onHoveredChanged:
@@ -85,8 +94,8 @@ Item
                     {
                         base.showTooltip(
                             base,
-                            {x: 0, y: parent.mapToItem(base, 0, -parent.height / 4).y},
+                            {x: 0, y: parent.mapToItem(base, 0, Math.floor(-parent.height / 4)).y},
-                            catalog.i18nc("@tooltip", "The current temperature of this extruder.")
+                            catalog.i18nc("@tooltip", "The current temperature of this hotend.")
                         );
                     }
                     else
@@ -97,6 +106,272 @@ Item
             }
         }
 
+        Rectangle //Input field for pre-heat temperature.
+        {
+            id: preheatTemperatureControl
+            color: !enabled ? UM.Theme.getColor("setting_control_disabled") : showError ? UM.Theme.getColor("setting_validation_error_background") : UM.Theme.getColor("setting_validation_ok")
+            property var showError:
+            {
+                if(extruderTemperature.properties.maximum_value != "None" && extruderTemperature.properties.maximum_value <  Math.floor(preheatTemperatureInput.text))
+                {
+                    return true;
+                } else
+                {
+                    return false;
+                }
+            }
+            enabled:
+            {
+                if (extruderModel == null)
+                {
+                    return false; //Can't preheat if not connected.
+                }
+                if (!connectedPrinter.acceptsCommands)
+                {
+                    return false; //Not allowed to do anything.
+                }
+                if (connectedPrinter.activePrinter && connectedPrinter.activePrinter.activePrintJob)
+                {
+                    if((["printing", "pre_print", "resuming", "pausing", "paused", "error", "offline"]).indexOf(connectedPrinter.activePrinter.activePrintJob.state) != -1)
+                    {
+                        return false; //Printer is in a state where it can't react to pre-heating.
+                    }
+                }
+                return true;
+            }
+            border.width: UM.Theme.getSize("default_lining").width
+            border.color: !enabled ? UM.Theme.getColor("setting_control_disabled_border") : preheatTemperatureInputMouseArea.containsMouse ? UM.Theme.getColor("setting_control_border_highlight") : UM.Theme.getColor("setting_control_border")
+            anchors.right: preheatButton.left
+            anchors.rightMargin: UM.Theme.getSize("default_margin").width
+            anchors.bottom: parent.bottom
+            anchors.bottomMargin: UM.Theme.getSize("default_margin").height
+            width: UM.Theme.getSize("monitor_preheat_temperature_control").width
+            height: UM.Theme.getSize("monitor_preheat_temperature_control").height
+            visible: extruderModel != null ? enabled && extruderModel.canPreHeatHotends && !extruderModel.isPreheating : true
+            Rectangle //Highlight of input field.
+            {
+                anchors.fill: parent
+                anchors.margins: UM.Theme.getSize("default_lining").width
+                color: UM.Theme.getColor("setting_control_highlight")
+                opacity: preheatTemperatureControl.hovered ? 1.0 : 0
+            }
+            MouseArea //Change cursor on hovering.
+            {
+                id: preheatTemperatureInputMouseArea
+                hoverEnabled: true
+                anchors.fill: parent
+                cursorShape: Qt.IBeamCursor
+
+                onHoveredChanged:
+                {
+                    if (containsMouse)
+                    {
+                        base.showTooltip(
+                            base,
+                            {x: 0, y: preheatTemperatureInputMouseArea.mapToItem(base, 0, 0).y},
+                            catalog.i18nc("@tooltip of temperature input", "The temperature to pre-heat the hotend to.")
+                        );
+                    }
+                    else
+                    {
+                        base.hideTooltip();
+                    }
+                }
+            }
+            Label
+            {
+                id: unit
+                anchors.right: parent.right
+                anchors.rightMargin: UM.Theme.getSize("setting_unit_margin").width
+                anchors.verticalCenter: parent.verticalCenter
+
+                text: "°C";
+                color: UM.Theme.getColor("setting_unit")
+                font: UM.Theme.getFont("default")
+            }
+            TextInput
+            {
+                id: preheatTemperatureInput
+                font: UM.Theme.getFont("default")
+                color: !enabled ? UM.Theme.getColor("setting_control_disabled_text") : UM.Theme.getColor("setting_control_text")
+                selectByMouse: true
+                maximumLength: 5
+                enabled: parent.enabled
+                validator: RegExpValidator { regExp: /^-?[0-9]{0,9}[.,]?[0-9]{0,10}$/ } //Floating point regex.
+                anchors.left: parent.left
+                anchors.leftMargin: UM.Theme.getSize("setting_unit_margin").width
+                anchors.right: unit.left
+                anchors.verticalCenter: parent.verticalCenter
+                renderType: Text.NativeRendering
+
+                Component.onCompleted:
+                {
+                    if (!extruderTemperature.properties.value)
+                    {
+                        text = "";
+                    }
+                    else
+                    {
+                        text = extruderTemperature.properties.value;
+                    }
+                }
+            }
+        }
+
+        Button //The pre-heat button.
+        {
+            id: preheatButton
+            height: UM.Theme.getSize("setting_control").height
+            visible: extruderModel != null ? extruderModel.canPreHeatHotends: true
+            enabled:
+            {
+                if (!preheatTemperatureControl.enabled)
+                {
+                    return false; //Not connected, not authenticated or printer is busy.
+                }
+                if (extruderModel.isPreheating)
+                {
+                    return true;
+                }
+                if (extruderTemperature.properties.minimum_value != "None" && Math.floor(preheatTemperatureInput.text) < Math.floor(extruderTemperature.properties.minimum_value))
+                {
+                    return false; //Target temperature too low.
+                }
+                if (extruderTemperature.properties.maximum_value != "None" && Math.floor(preheatTemperatureInput.text) > Math.floor(extruderTemperature.properties.maximum_value))
+                {
+                    return false; //Target temperature too high.
+                }
+                if (Math.floor(preheatTemperatureInput.text) == 0)
+                {
+                    return false; //Setting the temperature to 0 is not allowed (since that cancels the pre-heating).
+                }
+                return true; //Preconditions are met.
+            }
+            anchors.right: parent.right
+            anchors.bottom: parent.bottom
+            anchors.margins: UM.Theme.getSize("default_margin").width
+            style: ButtonStyle {
+                background: Rectangle
+                {
+                    border.width: UM.Theme.getSize("default_lining").width
+                    implicitWidth: actualLabel.contentWidth + (UM.Theme.getSize("default_margin").width * 2)
+                    border.color:
+                    {
+                        if(!control.enabled)
+                        {
+                            return UM.Theme.getColor("action_button_disabled_border");
+                        }
+                        else if(control.pressed)
+                        {
+                            return UM.Theme.getColor("action_button_active_border");
+                        }
+                        else if(control.hovered)
+                        {
+                            return UM.Theme.getColor("action_button_hovered_border");
+                        }
+                        else
+                        {
+                            return UM.Theme.getColor("action_button_border");
+                        }
+                    }
+                    color:
+                    {
+                        if(!control.enabled)
+                        {
+                            return UM.Theme.getColor("action_button_disabled");
+                        }
+                        else if(control.pressed)
+                        {
+                            return UM.Theme.getColor("action_button_active");
+                        }
+                        else if(control.hovered)
+                        {
+                            return UM.Theme.getColor("action_button_hovered");
+                        }
+                        else
+                        {
+                            return UM.Theme.getColor("action_button");
+                        }
+                    }
+                    Behavior on color
+                    {
+                        ColorAnimation
+                        {
+                            duration: 50
+                        }
+                    }
+
+                    Label
+                    {
+                        id: actualLabel
+                        anchors.centerIn: parent
+                        color:
+                        {
+                            if(!control.enabled)
+                            {
+                                return UM.Theme.getColor("action_button_disabled_text");
+                            }
+                            else if(control.pressed)
+                            {
+                                return UM.Theme.getColor("action_button_active_text");
+                            }
+                            else if(control.hovered)
+                            {
+                                return UM.Theme.getColor("action_button_hovered_text");
+                            }
+                            else
+                            {
+                                return UM.Theme.getColor("action_button_text");
+                            }
+                        }
+                        font: UM.Theme.getFont("action_button")
+                        text:
+                        {
+                            if(extruderModel == null)
+                            {
+                                return ""
+                            }
+                            if(extruderModel.isPreheating )
+                            {
+                                return catalog.i18nc("@button Cancel pre-heating", "Cancel")
+                            } else
+                            {
+                                return catalog.i18nc("@button", "Pre-heat")
+                            }
+                        }
+                    }
+                }
+            }
+
+            onClicked:
+            {
+                if (!extruderModel.isPreheating)
+                {
+                    extruderModel.preheatHotend(preheatTemperatureInput.text, 900);
+                }
+                else
+                {
+                    extruderModel.cancelPreheatHotend();
+                }
+            }
+
+            onHoveredChanged:
+            {
+                if (hovered)
+                {
+                    base.showTooltip(
+                        base,
+                        {x: 0, y: preheatButton.mapToItem(base, 0, 0).y},
+                        catalog.i18nc("@tooltip of pre-heat", "Heat the hotend in advance before printing. You can continue adjusting your print while it is heating, and you won't have to wait for the hotend to heat up when you're ready to print.")
+                    );
+                }
+                else
+                {
+                    base.hideTooltip();
+                }
+            }
+        }
+
         Rectangle //Material colour indication.
         {
             id: materialColor

resources/qml/PrinterOutput/HeatedBedBox.qml

@@ -114,21 +114,24 @@ Item
                 {
                     return false; //Not allowed to do anything.
                 }
-                if (connectedPrinter.jobState == "printing" || connectedPrinter.jobState == "pre_print" || connectedPrinter.jobState == "resuming" || connectedPrinter.jobState == "pausing" || connectedPrinter.jobState == "paused" || connectedPrinter.jobState == "error" || connectedPrinter.jobState == "offline")
+                if (connectedPrinter.activePrinter && connectedPrinter.activePrinter.activePrintJob)
+                {
+                    if((["printing", "pre_print", "resuming", "pausing", "paused", "error", "offline"]).indexOf(connectedPrinter.activePrinter.activePrintJob.state) != -1)
                     {
                         return false; //Printer is in a state where it can't react to pre-heating.
                     }
+                }
                 return true;
             }
             border.width: UM.Theme.getSize("default_lining").width
             border.color: !enabled ? UM.Theme.getColor("setting_control_disabled_border") : preheatTemperatureInputMouseArea.containsMouse ? UM.Theme.getColor("setting_control_border_highlight") : UM.Theme.getColor("setting_control_border")
-            anchors.left: parent.left
+            anchors.right: preheatButton.left
-            anchors.leftMargin: UM.Theme.getSize("default_margin").width
+            anchors.rightMargin: UM.Theme.getSize("default_margin").width
             anchors.bottom: parent.bottom
             anchors.bottomMargin: UM.Theme.getSize("default_margin").height
-            width: UM.Theme.getSize("setting_control").width
+            width: UM.Theme.getSize("monitor_preheat_temperature_control").width
-            height: UM.Theme.getSize("setting_control").height
+            height: UM.Theme.getSize("monitor_preheat_temperature_control").height
-            visible: printerModel != null ? printerModel.canPreHeatBed: true
+            visible: printerModel != null ? enabled && printerModel.canPreHeatBed && !printerModel.isPreheating : true
             Rectangle //Highlight of input field.
             {
                 anchors.fill: parent
@@ -159,18 +162,29 @@ Item
                     }
                 }
             }
+            Label
+            {
+                id: unit
+                anchors.right: parent.right
+                anchors.rightMargin: UM.Theme.getSize("setting_unit_margin").width
+                anchors.verticalCenter: parent.verticalCenter
+
+                text: "°C";
+                color: UM.Theme.getColor("setting_unit")
+                font: UM.Theme.getFont("default")
+            }
             TextInput
             {
                 id: preheatTemperatureInput
                 font: UM.Theme.getFont("default")
                 color: !enabled ? UM.Theme.getColor("setting_control_disabled_text") : UM.Theme.getColor("setting_control_text")
                 selectByMouse: true
-                maximumLength: 10
+                maximumLength: 5
                 enabled: parent.enabled
                 validator: RegExpValidator { regExp: /^-?[0-9]{0,9}[.,]?[0-9]{0,10}$/ } //Floating point regex.
                 anchors.left: parent.left
                 anchors.leftMargin: UM.Theme.getSize("setting_unit_margin").width
-                anchors.right: parent.right
+                anchors.right: unit.left
                 anchors.verticalCenter: parent.verticalCenter
                 renderType: Text.NativeRendering
 

resources/qml/Settings/SettingExtruder.qml

@@ -215,7 +215,8 @@ SettingItem
             {
                 text: model.name
                 renderType: Text.NativeRendering
-                color: {
+                color:
+                {
                     if (model.enabled) {
                         UM.Theme.getColor("setting_control_text")
                     } else {

resources/qml/Settings/SettingOptionalExtruder.qml

@@ -26,9 +26,20 @@ SettingItem
         textRole: "name"
 
         onActivated:
+        {
+            if (model.getItem(index).enabled)
             {
                 forceActiveFocus();
                 propertyProvider.setPropertyValue("value", model.getItem(index).index);
+            } else
+            {
+                if (propertyProvider.properties.value == -1)
+                {
+                    control.currentIndex = model.rowCount() - 1;  // we know the last item is "Not overriden"
+                } else {
+                    control.currentIndex = propertyProvider.properties.value;  // revert to the old value
+                }
+            }
         }
 
         onActiveFocusChanged:
@@ -192,7 +203,14 @@ SettingItem
             {
                 text: model.name
                 renderType: Text.NativeRendering
-                color: UM.Theme.getColor("setting_control_text")
+                color:
+                {
+                    if (model.enabled) {
+                        UM.Theme.getColor("setting_control_text")
+                    } else {
+                        UM.Theme.getColor("action_button_disabled_text");
+                    }
+                }
                 font: UM.Theme.getFont("default")
                 elide: Text.ElideRight
                 verticalAlignment: Text.AlignVCenter

resources/qml/Settings/SettingTextField.qml

@@ -13,12 +13,18 @@ SettingItem
 
     property string textBeforeEdit
     property bool textHasChanged
+    property bool focusGainedByClick: false
     onFocusReceived:
     {
         textHasChanged = false;
         textBeforeEdit = focusItem.text;
+
+        if(!focusGainedByClick)
+        {
+            // select all text when tabbing through fields (but not when selecting a field with the mouse)
             focusItem.selectAll();
         }
+    }
 
     contents: Rectangle
     {
@@ -93,14 +99,6 @@ SettingItem
             font: UM.Theme.getFont("default")
         }
 
-        MouseArea
-        {
-            id: mouseArea
-            anchors.fill: parent;
-            //hoverEnabled: true;
-            cursorShape: Qt.IBeamCursor
-        }
-
         TextInput
         {
             id: input
@@ -142,6 +140,7 @@ SettingItem
                 {
                     base.focusReceived();
                 }
+                base.focusGainedByClick = false;
             }
 
             color: !enabled ? UM.Theme.getColor("setting_control_disabled_text") : UM.Theme.getColor("setting_control_text")
@@ -178,6 +177,22 @@ SettingItem
                 }
                 when: !input.activeFocus
             }
+
+            MouseArea
+            {
+                id: mouseArea
+                anchors.fill: parent;
+
+                cursorShape: Qt.IBeamCursor
+
+                onPressed: {
+                    if(!input.activeFocus) {
+                        base.focusGainedByClick = true;
+                        input.forceActiveFocus();
+                    }
+                    mouse.accepted = false;
+                }
+            }
         }
     }
 }

resources/qml/Settings/SettingView.qml

@@ -15,6 +15,7 @@ Item
 {
     id: base;
 
+    property QtObject settingVisibilityPresetsModel: CuraApplication.getSettingVisibilityPresetsModel()
     property Action configureSettings
     property bool findingSettings
     property bool showingAllSettings
@@ -439,6 +440,7 @@ Item
                     key: model.key ? model.key : ""
                     watchedProperties: [ "value", "enabled", "state", "validationState", "settable_per_extruder", "resolve" ]
                     storeIndex: 0
+                    removeUnusedValue: model.resolve == undefined
                 }
 
                 Connections
@@ -562,9 +564,9 @@ Item
                     {
                         definitionsModel.hide(contextMenu.key);
                         // visible settings have changed, so we're no longer showing a preset
-                        if (Cura.SettingVisibilityPresetsModel.activePreset != "" && !showingAllSettings)
+                        if (settingVisibilityPresetsModel.activePreset != "" && !showingAllSettings)
                         {
-                            Cura.SettingVisibilityPresetsModel.setActivePreset("custom");
+                            settingVisibilityPresetsModel.setActivePreset("custom");
                         }
                     }
                 }
@@ -594,16 +596,16 @@ Item
                             definitionsModel.show(contextMenu.key);
                         }
                         // visible settings have changed, so we're no longer showing a preset
-                        if (Cura.SettingVisibilityPresetsModel.activePreset != "" && !showingAllSettings)
+                        if (settingVisibilityPresetsModel.activePreset != "" && !showingAllSettings)
                         {
-                            Cura.SettingVisibilityPresetsModel.setActivePreset("custom");
+                            settingVisibilityPresetsModel.setActivePreset("custom");
                         }
                     }
                 }
                 MenuItem
                 {
                     //: Settings context menu action
-                    text: catalog.i18nc("@action:menu", "Configure setting visiblity...");
+                    text: catalog.i18nc("@action:menu", "Configure setting visibility...");
 
                     onTriggered: Cura.Actions.configureSettingVisibility.trigger(contextMenu);
                 }

resources/qml/Sidebar.qml

@@ -87,7 +87,8 @@ Rectangle
         }
     }
 
-    MachineSelection {
+    MachineSelection
+    {
         id: machineSelection
         width: base.width - configSelection.width - separator.width
         height: UM.Theme.getSize("sidebar_header").height
@@ -105,9 +106,10 @@ Rectangle
         anchors.left: machineSelection.right
     }
 
-    ConfigurationSelection {
+    ConfigurationSelection
+    {
         id: configSelection
-        visible: isNetworkPrinter && !sidebar.monitoringPrint && !sidebar.hideSettings
+        visible: isNetworkPrinter && printerConnected
         width: visible ? Math.round(base.width * 0.15) : 0
         height: UM.Theme.getSize("sidebar_header").height
         anchors.top: base.top

resources/qml/SidebarHeader.qml

@@ -178,6 +178,7 @@ Column
                         text: catalog.i18nc("@action:inmenu", "Disable Extruder")
                         onTriggered: Cura.MachineManager.setExtruderEnabled(model.index, false)
                         visible: extruder_enabled
+                        enabled: Cura.MachineManager.numberExtrudersEnabled > 1
                     }
                 }
 
@@ -185,22 +186,34 @@ Column
                 {
                     background: Item
                     {
-                        Rectangle
+                        function buttonBackgroundColor(index)
                         {
-                            anchors.fill: parent
+                            var extruder = Cura.MachineManager.getExtruder(index)
-                            border.width: control.checked ? UM.Theme.getSize("default_lining").width * 2 : UM.Theme.getSize("default_lining").width
+                            if (extruder.isEnabled) {
-                            border.color: (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active_border") :
+                                return (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active") :
-                                          control.hovered ? UM.Theme.getColor("action_button_hovered_border") :
-                                          UM.Theme.getColor("action_button_border")
-                            color: (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active") :
                                         control.hovered ? UM.Theme.getColor("action_button_hovered") :
                                         UM.Theme.getColor("action_button")
-                            Behavior on color { ColorAnimation { duration: 50; } }
+                            } else {
+                                return UM.Theme.getColor("action_button_disabled")
+                            }
+                        }
+
+                        function buttonBorderColor(index)
+                        {
+                            var extruder = Cura.MachineManager.getExtruder(index)
+                            if (extruder.isEnabled) {
+                                return (control.checked || control.pressed) ? UM.Theme.getColor("action_button_active_border") :
+                                        control.hovered ? UM.Theme.getColor("action_button_hovered_border") :
+                                        UM.Theme.getColor("action_button_border")
+                            } else {
+                                return UM.Theme.getColor("action_button_disabled_border")
+                            }
                         }
 
                         function buttonColor(index) {
                             var extruder = Cura.MachineManager.getExtruder(index);
-                            if (extruder.isEnabled) {
+                            if (extruder.isEnabled)
+                            {
                                 return (
                                     control.checked || control.pressed) ? UM.Theme.getColor("action_button_active_text") :
                                     control.hovered ? UM.Theme.getColor("action_button_hovered_text") :
@@ -210,10 +223,20 @@ Column
                             }
                         }
 
+                        Rectangle
+                        {
+                            anchors.fill: parent
+                            border.width: control.checked ? UM.Theme.getSize("default_lining").width * 2 : UM.Theme.getSize("default_lining").width
+                            border.color: buttonBorderColor(index)
+                            color: buttonBackgroundColor(index)
+                            Behavior on color { ColorAnimation { duration: 50; } }
+                        }
+
                         Item
                         {
                             id: extruderButtonFace
                             anchors.centerIn: parent
+
                             width: {
                                 var extruderTextWidth = extruderStaticText.visible ? extruderStaticText.width : 0;
                                 var iconWidth = extruderIconItem.width;
@@ -501,6 +524,8 @@ Column
                 source: UM.Theme.getIcon("warning")
                 width: UM.Theme.getSize("section_icon").width
                 height: UM.Theme.getSize("section_icon").height
+                sourceSize.width: width
+                sourceSize.height: height
                 color: UM.Theme.getColor("material_compatibility_warning")
                 visible: !Cura.MachineManager.isCurrentSetupSupported
             }
@@ -522,9 +547,7 @@ Column
                     hoverEnabled: true
                     onClicked: {
                         // open the material URL with web browser
-                        var version = UM.Application.version;
+                        var url = "https://ultimaker.com/incoming-links/cura/material-compatibilty"
-                        var machineName = Cura.MachineManager.activeMachine.definition.id;
-                        var url = "https://ultimaker.com/materialcompatibility/" + version + "/" + machineName + "?utm_source=cura&utm_medium=software&utm_campaign=resources";
                         Qt.openUrlExternally(url);
                     }
                     onEntered: {

resources/qml/SidebarSimple.qml

@@ -111,7 +111,6 @@ Item
 
                             // Set selected value
                             if (Cura.MachineManager.activeQualityType == qualityItem.quality_type) {
-
                                 // set to -1 when switching to user created profile so all ticks are clickable
                                 if (Cura.SimpleModeSettingsManager.isProfileUserCreated) {
                                     qualityModel.qualitySliderActiveIndex = -1
@@ -474,18 +473,7 @@ Item
                     onClicked:
                     {
                         // if the current profile is user-created, switch to a built-in quality
-                        if (Cura.SimpleModeSettingsManager.isProfileUserCreated)
+                        Cura.MachineManager.resetToUseDefaultQuality()
-                        {
-                            if (Cura.QualityProfilesDropDownMenuModel.rowCount() > 0)
-                            {
-                                var item = Cura.QualityProfilesDropDownMenuModel.getItem(0);
-                                Cura.MachineManager.activeQualityGroup = item.quality_group;
-                            }
-                        }
-                        if (Cura.SimpleModeSettingsManager.isProfileCustomized)
-                        {
-                            discardOrKeepProfileChangesDialog.show()
-                        }
                     }
                     onEntered:
                     {
@@ -594,7 +582,9 @@ Item
                         // Update value only if the Recomended mode is Active,
                         // Otherwise if I change the value in the Custom mode the Recomended view will try to repeat
                         // same operation
-                        if (UM.Preferences.getValue("cura/active_mode") == 0) {
+                        var active_mode = UM.Preferences.getValue("cura/active_mode")
+
+                        if (active_mode == 0 || active_mode == "simple") {
                             Cura.MachineManager.setSettingForAllExtruders("infill_sparse_density", "value", roundedSliderValue)
                         }
                     }

resources/shaders/camera_distance.shader

@@ -0,0 +1,83 @@
+[shaders]
+vertex =
+    uniform highp mat4 u_modelMatrix;
+    uniform highp mat4 u_viewProjectionMatrix;
+
+    attribute highp vec4 a_vertex;
+
+    varying highp vec3 v_vertex;
+
+    void main()
+    {
+        vec4 world_space_vert = u_modelMatrix * a_vertex;
+        gl_Position = u_viewProjectionMatrix * world_space_vert;
+
+        v_vertex = world_space_vert.xyz;
+    }
+
+fragment =
+    uniform highp vec3 u_viewPosition;
+
+    varying highp vec3 v_vertex;
+
+    void main()
+    {
+        highp float distance_to_camera = distance(v_vertex, u_viewPosition) * 1000.; // distance in micron
+
+        vec3 encoded; // encode float into 3 8-bit channels; this gives a precision of a micron at a range of up to ~16 meter
+        encoded.b = floor(distance_to_camera / 65536.0);
+        encoded.g = floor((distance_to_camera - encoded.b * 65536.0) / 256.0);
+        encoded.r = floor(distance_to_camera - encoded.b * 65536.0 - encoded.g * 256.0);
+
+        gl_FragColor.rgb = encoded / 255.;
+        gl_FragColor.a = 1.0;
+    }
+
+vertex41core =
+    #version 410
+    uniform highp mat4 u_modelMatrix;
+    uniform highp mat4 u_viewProjectionMatrix;
+
+    in highp vec4 a_vertex;
+
+    out highp vec3 v_vertex;
+
+    void main()
+    {
+        vec4 world_space_vert = u_modelMatrix * a_vertex;
+        gl_Position = u_viewProjectionMatrix * world_space_vert;
+
+        v_vertex = world_space_vert.xyz;
+    }
+
+fragment41core =
+    #version 410
+    uniform highp vec3 u_viewPosition;
+
+    in highp vec3 v_vertex;
+
+    out vec4 frag_color;
+
+    void main()
+    {
+        highp float distance_to_camera = distance(v_vertex, u_viewPosition) * 1000.; // distance in micron
+
+        vec3 encoded; // encode float into 3 8-bit channels; this gives a precision of a micron at a range of up to ~16 meter
+        encoded.r = floor(distance_to_camera / 65536.0);
+        encoded.g = floor((distance_to_camera - encoded.r * 65536.0) / 256.0);
+        encoded.b = floor(distance_to_camera - encoded.r * 65536.0 - encoded.g * 256.0);
+
+        frag_color.rgb = encoded / 255.;
+        frag_color.a = 1.0;
+    }
+
+[defaults]
+
+[bindings]
+u_modelMatrix = model_matrix
+u_viewProjectionMatrix = view_projection_matrix
+u_normalMatrix = normal_matrix
+u_viewPosition = view_position
+
+[attributes]
+a_vertex = vertex

resources/themes/cura-dark/theme.json

@@ -84,16 +84,16 @@
         "tab_background": [39, 44, 48, 255],
 
         "action_button": [39, 44, 48, 255],
-        "action_button_text": [255, 255, 255, 101],
+        "action_button_text": [255, 255, 255, 200],
         "action_button_border": [255, 255, 255, 30],
         "action_button_hovered": [39, 44, 48, 255],
         "action_button_hovered_text": [255, 255, 255, 255],
         "action_button_hovered_border": [255, 255, 255, 30],
         "action_button_active": [39, 44, 48, 30],
         "action_button_active_text": [255, 255, 255, 255],
-        "action_button_active_border": [255, 255, 255, 30],
+        "action_button_active_border": [255, 255, 255, 100],
         "action_button_disabled": [39, 44, 48, 255],
-        "action_button_disabled_text": [255, 255, 255, 101],
+        "action_button_disabled_text": [255, 255, 255, 80],
         "action_button_disabled_border": [255, 255, 255, 30],
 
         "scrollbar_background": [39, 44, 48, 0],

resources/themes/cura-light/theme.json

@@ -411,6 +411,8 @@
         "save_button_save_to_button": [0.3, 2.7],
         "save_button_specs_icons": [1.4, 1.4],
 
+        "monitor_preheat_temperature_control": [4.5, 2.0],
+
         "modal_window_minimum": [60.0, 45],
         "license_window_minimum": [45, 45],
         "wizard_progress": [10.0, 0.0],