Ignore invisible object for selection in paint mode

CURA-12660

Author: wawanbreton

UM/Qt/QtRenderer.py

@@ -143,7 +143,7 @@ def queueNode(self, node: "SceneNode", **kwargs) -> None:
 
         self._batches.append(batch)
 
-    def createRenderBatch(self, **kwargs):
+    def createRenderBatch(self, **kwargs) -> RenderBatch:
         type = kwargs.pop("type", RenderBatch.RenderType.Solid)
         if kwargs.pop("transparent", False):
             type = RenderBatch.RenderType.Transparent

UM/View/SelectionPass.py

@@ -67,6 +67,7 @@ def __init__(self, width, height):
         Selection.selectedFaceChanged.connect(self._onSelectedFaceChanged)
 
         self._output = None
+        self._ignore_unselected_objects_during_next_render = False
 
     def _onActiveToolChanged(self):
         self._toolhandle_selection_map = self._default_toolhandle_selection_map.copy()
@@ -85,13 +86,18 @@ def _onActiveToolChanged(self):
     def _onSelectedFaceChanged(self):
         self._mode = SelectionPass.SelectionMode.FACES if Selection.getFaceSelectMode() else SelectionPass.SelectionMode.OBJECTS
 
+    def setIgnoreUnselectedObjectsDuringNextRender(self):
+        self._ignore_unselected_objects_during_next_render = True
+
     def render(self):
         """Perform the actual rendering."""
         if self._mode == SelectionPass.SelectionMode.OBJECTS:
             self.renderObjectsMode()
         elif self._mode == SelectionPass.SelectionMode.FACES:
             self.renderFacesMode()
 
+        self._ignore_unselected_objects_during_next_render = False
+
     def renderObjectsMode(self):
         self._selection_map = self._toolhandle_selection_map.copy()
 
@@ -103,7 +109,7 @@ def renderObjectsMode(self):
                 tool_handle.addItem(node.getWorldTransformation(copy = False), mesh = node.getSelectionMesh())
                 continue
 
-            if node.isSelectable() and node.getMeshData():
+            if node.isSelectable() and node.getMeshData() and (not self._ignore_unselected_objects_during_next_render or Selection.isSelected(node)):
                 selectable_objects = True
                 batch.addItem(transformation = node.getWorldTransformation(copy = False), mesh = node.getMeshData(), uniforms = { "selection_color": self._getNodeColor(node)}, normal_transformation=node.getCachedNormalMatrix())