refine GUI for text-based random_seed parameter and add global param.

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/elements/element.py b/lib/elements/element.py
index 84141d4f..b8b25b27 100644
--- a/lib/elements/element.py
+++ b/lib/elements/element.py
@@ -251,6 +251,22 @@ class EmbroideryElement(object):
         return self.get_boolean_param('force_lock_stitches', False)
 
     @property
+    @param('random_seed',
+           _('Random seed'),
+           tooltip=_('Use a specific seed for randomized attributes. Uses the element ID if empty.'),
+           type='random_seed',
+           default='',
+           sort_index=100)
+    @cache
+    def random_seed(self) -> str:
+        seed = self.get_param('random_seed')
+        if not seed:
+            seed = self.node.get_id() or ''
+            # TODO(#1696): When inplementing grouped clones, join this with the IDs of any shadow roots,
+            # letting each instance without a specified seed get a different default.
+        return seed
+
+    @property
     def path(self):
         # A CSP is a  "cubic superpath".
         #