Move 3DConnexion support to plugin

CURA-12407

cura/CuraApplication.py

@@ -36,6 +36,7 @@ from UM.Operations.SetTransformOperation import SetTransformOperation
 from UM.OutputDevice.ProjectOutputDevice import ProjectOutputDevice
 from UM.Platform import Platform
 from UM.PluginError import PluginNotFoundError
+from UM.PluginObject import PluginObject
 from UM.Preferences import Preferences
 from UM.Qt.Bindings.FileProviderModel import FileProviderModel
 from UM.Qt.QtApplication import QtApplication  # The class we're inheriting from.
@@ -130,8 +131,6 @@ from .Machines.Models.IntentSelectionModel import IntentSelectionModel
 from .PrintOrderManager import PrintOrderManager
 from .SingleInstance import SingleInstance
 
-from .NavlibClient import NavlibClient
-
 if TYPE_CHECKING:
     from UM.Settings.EmptyInstanceContainer import EmptyInstanceContainer
 
@@ -220,6 +219,7 @@ class CuraApplication(QtApplication):
         self._machine_error_checker = None
 
         self._backend_plugins: List[BackendPlugin] = []
+        self._view_manipulators: List[PluginObject] = []
 
         self._machine_settings_manager = MachineSettingsManager(self, parent = self)
         self._material_management_model = None
@@ -845,6 +845,7 @@ class CuraApplication(QtApplication):
         self._plugin_registry.addType("profile_reader", self._addProfileReader)
         self._plugin_registry.addType("profile_writer", self._addProfileWriter)
         self._plugin_registry.addType("backend_plugin", self._addBackendPlugin)
+        self._plugin_registry.addType("view_manipulator", self._addViewManipulator)
 
         if Platform.isLinux():
             lib_suffixes = {"", "64", "32", "x32"}  # A few common ones on different distributions.
@@ -1039,10 +1040,6 @@ class CuraApplication(QtApplication):
         controller.setCameraTool("CameraTool")
         controller.setSelectionTool("SelectionTool")
 
-        self._navlib_client = NavlibClient(controller.getScene(), self.getRenderer())
-        self._navlib_client.put_profile_hint("UltiMaker Cura")
-        self._navlib_client.enable_navigation(True)
-
         # Hide the splash screen
         self.closeSplash()
 
@@ -1951,6 +1948,9 @@ class CuraApplication(QtApplication):
     def getBackendPlugins(self) -> List["BackendPlugin"]:
         return self._backend_plugins
 
+    def _addViewManipulator(self, view_manipulator: "PluginObject"):
+        self._view_manipulators.append(view_manipulator)
+
     @pyqtSlot("QSize")
     def setMinimumWindowSize(self, size):
         main_window = self.getMainWindow()

plugins/3DConnexion/NavlibClient.py

@@ -3,25 +3,18 @@ from UM.Math.Vector import Vector
 from UM.Math.AxisAlignedBox import AxisAlignedBox
 from cura.PickingPass import PickingPass
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
-from cura.Scene.OverlayNode import OverlayNode, SceneNode
+from UM.Scene import SceneNode
 from UM.Resources import Resources
+from UM.PluginObject import PluginObject
 from UM.Logger import Logger
+from .OverlayNode import OverlayNode
+import pynavlib.pynavlib_interface as pynav
 
-try:
-    import pynavlib.pynavlib_interface as pynav
-    parent_class = pynav.NavlibNavigationModel
-except BaseException as exception:
-    Logger.warning(f"Unable to load 3DConnexion library: {exception}")
-    pynav = None
-    parent_class = object
-
-class NavlibClient(parent_class):
+class NavlibClient(pynav.NavlibNavigationModel, PluginObject):
 
     def __init__(self, scene, renderer) -> None:
-        if not pynav:
-            return
-
-        super().__init__(False, pynav.NavlibOptions.RowMajorOrder)
+        pynav.NavlibNavigationModel.__init__(self, False, pynav.NavlibOptions.RowMajorOrder)
+        PluginObject.__init__(self)
         self._scene = scene
         self._renderer = renderer
         self._pointer_pick = None
@@ -29,14 +22,8 @@ class NavlibClient(parent_class):
         self._hit_selection_only = False
         self._picking_pass = None
         self._pivot_node = OverlayNode(node=SceneNode(), image_path=Resources.getPath(Resources.Images, "cor.png"), size=2.5)
-
-    def put_profile_hint(self, hint) -> None:
-        if pynav:
-            super().put_profile_hint(hint)
-
-    def enable_navigation(self, enabled) -> None:
-        if pynav:
-            super().enable_navigation(enabled)
+        self.put_profile_hint("UltiMaker Cura")
+        self.enable_navigation(True)
 
     def pick(self, x, y, check_selection = False, radius = 0.):
 

plugins/3DConnexion/__init__.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2025 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.Logger import Logger
+
+from typing import TYPE_CHECKING, Dict, Any
+
+if TYPE_CHECKING:
+    from UM.Application import Application
+
+
+def getMetaData() -> Dict[str, Any]:
+    return {}
+
+
+def register(app: "Application") -> Dict[str, Any]:
+    try:
+        from .NavlibClient import NavlibClient
+        return { "view_manipulator": NavlibClient(app.getController().getScene(), app.getRenderer()) }
+    except BaseException as exception:
+        Logger.warning(f"Unable to load 3DConnexion library: {exception}")
+        return { }

plugins/3DConnexion/plugin.json

@@ -0,0 +1,8 @@
+{
+    "name": "3DConnexion mouses",
+    "author": "3DConnexion",
+    "version": "1.0.0",
+    "description": "Allows working with 3D mouses inside Cura.",
+    "api": 8,
+    "i18n-catalog": "cura"
+}

resources/bundled_packages/cura.json

@@ -1,4 +1,21 @@
 {
+    "3DConnexion": {
+        "package_info": {
+            "package_id": "3DConnexion",
+            "package_type": "plugin",
+            "display_name": "3DConnexion mouses",
+            "description": "Allows working with 3D mouses inside Cura.",
+            "package_version": "1.0.0",
+            "sdk_version": "8.6.0",
+            "website": "https://3dconnexion.com",
+            "author": {
+                "author_id": "UltimakerPackages",
+                "display_name": "3DConnexion",
+                "email": "plugins@ultimaker.com",
+                "website": "https://3dconnexion.com"
+            }
+        }
+    },
     "3MFReader": {
         "package_info": {
             "package_id": "3MFReader",