diff options
Diffstat (limited to 'source/blender/editors/space_node/node_edit.cc')
| -rw-r--r-- | source/blender/editors/space_node/node_edit.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/editors/space_node/node_edit.cc b/source/blender/editors/space_node/node_edit.cc index 956bb581ee6..9d83f977fe0 100644 --- a/source/blender/editors/space_node/node_edit.cc +++ b/source/blender/editors/space_node/node_edit.cc @@ -1268,6 +1268,7 @@ static int node_duplicate_exec(bContext *C, wmOperator *op) SpaceNode *snode = CTX_wm_space_node(C); bNodeTree *ntree = snode->edittree; const bool keep_inputs = RNA_boolean_get(op->ptr, "keep_inputs"); + bool changed = false; ED_preview_kill_jobs(CTX_wm_manager(C), bmain); @@ -1280,6 +1281,7 @@ static int node_duplicate_exec(bContext *C, wmOperator *op) bNode *new_node = blender::bke::node_copy_with_mapping( ntree, *node, LIB_ID_COPY_DEFAULT, true, socket_map); node_map.add_new(node, new_node); + changed = true; } /* make sure we don't copy new nodes again! */ @@ -1288,6 +1290,10 @@ static int node_duplicate_exec(bContext *C, wmOperator *op) } } + if (!changed) { + return OPERATOR_CANCELLED; + } + /* Copy links between selected nodes. */ bNodeLink *lastlink = (bNodeLink *)ntree->links.last; LISTBASE_FOREACH (bNodeLink *, link, &ntree->links) { |