visualization

core/nodeslicer/nodes.py

@@ -1315,26 +1315,24 @@ class SLICENODE_AirtableSubmit(ExecSliceNode_DatabaseSubmit):
         return str(record_id)
 
 @register_class
-class SLICENODE_PrusaslicerSlice(ExecSliceNode):
+class SLICENODE_PrusaslicerSlice(SliceNode):
     bl_label = "PrusaSlicer Slice"
-    button_label = "Slice with PrusaSlicer"
 
     prusaslicer_executable: NfStringProperty(name="PrusaSlicer Path", subtype='FILE_PATH', default='flatpak run com.prusa3d.PrusaSlicer') # pyright: ignore[reportInvalidTypeForm]
     gcode_result: NfStringProperty(name="Gcode Result", default="") # pyright: ignore[reportInvalidTypeForm]
 
     def init(self, context):
-        self._init_exec()
         self.add_input("SLICESOCK_Mesh", "Mesh")
         self.add_input("SLICESOCK_PrusaslicerConf", "Config")
         self.add_input("SLICESOCK_Overrides", "Overrides")
         self.add_output("SLICESOCK_GcodeRo")
 
     def draw_buttons(self, context, layout):
-        super().draw_buttons(context, layout)
         layout.prop(self, "prusaslicer_executable")
 
     def evaluate_output(self, socket_name: str, **kwargs) -> Any:
         if socket_name == "Gcode":
+            self.evaluate()
             return self.gcode_result
         return super().evaluate_output(socket_name, **kwargs)
 
@@ -1603,6 +1601,7 @@ class SLICENODE_Executor(ExecSliceNode, SliceNodeJoiner):
         layout.prop(self, "auto_refresh")
 
     def evaluate(self, operator=None):
+        from ...infra.blender.blender_slice_nodes_generic import node_execution_feedback
         for i, job in enumerate(self.inputs):
             # Resolve the input to get the connected node(s)
             res = resolve_input(job)
@@ -1620,6 +1619,7 @@ class SLICENODE_Executor(ExecSliceNode, SliceNodeJoiner):
                     operator.report({'INFO'}, f"Executing: {upstream_node.bl_label}")
                 
                 try:
+                    with node_execution_feedback(upstream_node):
                         exec_res = upstream_node.evaluate(operator=operator)
                         if exec_res != 'ok' and exec_res is not None:
                              if operator: operator.report({'WARNING'}, f"Node {upstream_node.bl_label} returned {exec_res}")

core/nodeslicer/tree.py

@@ -5,6 +5,7 @@ from bpy.types import NodeTree, Operator, Menu
 from bpy.app.handlers import persistent
 
 from ...infra.blender.mixins import update_collection
+from ...infra.blender.blender_slice_nodes_generic import node_execution_feedback, resolve_input
 from ...registry import register_class
 
 if TYPE_CHECKING:
@@ -84,6 +85,7 @@ def tree_update_handler(scene, depsgraph):
                 if should_refresh:
                     _is_updating = True
                     try:
+                        with node_execution_feedback(node):
                             node.evaluate()
                     except Exception as e:
                         print(f"Auto-refresh failed: {e}")
@@ -130,6 +132,7 @@ class SLICENODE_OT_Execute(Operator):
         node = node_tree.nodes[self.node_name]
         
         try:
+            with node_execution_feedback(node):
                 res = node.evaluate(operator=self)
                 if res == 'ok':
                     self.report({"INFO"}, f"Execution Successful")

infra/blender/blender_slice_nodes_generic.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 import typing
+import bpy
+from contextlib import contextmanager
 
 from typing import Any
 from bpy.types import NodeSocket, Node
@@ -41,6 +43,24 @@ class SliceNode(Node, AutoBlIdName):
 
 ## Evaluation helpers
 
+@contextmanager
+def node_execution_feedback(node: bpy.types.Node):
+    # Save original color
+    old_use_color = node.use_custom_color
+    old_color = node.color[:]
+    
+    node.use_custom_color = True
+    node.color = (75/255, 73/255, 19/255) # Green
+    
+    # Refresh UI
+    bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+    try:
+        yield
+    finally:
+        node.use_custom_color = old_use_color
+        node.color = old_color
+        bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+
 def _follow_reroute(socket: NodeSocket) -> NodeSocket:
     current: NodeSocket = socket
     seen: set[int] = set()
@@ -106,6 +126,7 @@ def _resolve_output(
 
     visited.add(key)
     try:
+        with node_execution_feedback(socket.node):
             if not isinstance(socket.node, SliceNode):
                 return default