VSE: Move whole strip chain to meta

Python API function Sequence.move_to_meta() did delete effect chain
when strip with effects was moved.

Use iterator API to query effect strips and move whole chain to meta.

Reviewed By: sergey

Differential Revision: https://developer.blender.org/D11206

1 files changed, 1 insertions, 32 deletions

diff --git a/source/blender/editors/space_sequencer/sequencer_select.c b/source/blender/editors/space_sequencer/sequencer_select.c
index e08af8f0977..3128ec06b68 100644
--- a/source/blender/editors/space_sequencer/sequencer_select.c
+++ b/source/blender/editors/space_sequencer/sequencer_select.c
@@ -1621,37 +1621,6 @@ static bool select_grouped_time_overlap(Editing *ed, Sequence *actseq)
   return changed;
 }
 
-/* Query all effect strips that are directly or indirectly connected to seq_reference. */
-static void query_strip_effect_chain(Sequence *seq_reference,
-                                     ListBase *seqbase,
-                                     SeqCollection *collection)
-{
-  if (!SEQ_collection_append_strip(seq_reference, collection)) {
-    return; /* Strip is already in set, so all effects connected to it are as well. */
-  }
-
-  /* Find all strips that seq_reference is connected to. */
-  if (seq_reference->type & SEQ_TYPE_EFFECT) {
-    if (seq_reference->seq1) {
-      query_strip_effect_chain(seq_reference->seq1, seqbase, collection);
-    }
-    if (seq_reference->seq2) {
-      query_strip_effect_chain(seq_reference->seq2, seqbase, collection);
-    }
-    if (seq_reference->seq3) {
-      query_strip_effect_chain(seq_reference->seq3, seqbase, collection);
-    }
-  }
-
-  /* Find all strips connected to seq_reference. */
-  LISTBASE_FOREACH (Sequence *, seq_test, seqbase) {
-    if (seq_test->seq1 == seq_reference || seq_test->seq2 == seq_reference ||
-        seq_test->seq3 == seq_reference) {
-      query_strip_effect_chain(seq_test, seqbase, collection);
-    }
-  }
-}
-
 /* Query strips that are in lower channel and intersect in time with seq_reference. */
 static void query_lower_channel_strips(Sequence *seq_reference,
                                        ListBase *seqbase,
@@ -1681,7 +1650,7 @@ static bool select_grouped_effect_link(Editing *ed,
   SeqCollection *collection = SEQ_query_selected_strips(seqbase);
   const int selected_strip_count = BLI_gset_len(collection->set);
   SEQ_collection_expand(seqbase, collection, query_lower_channel_strips);
-  SEQ_collection_expand(seqbase, collection, query_strip_effect_chain);
+  SEQ_collection_expand(seqbase, collection, SEQ_query_strip_effect_chain);
 
   /* Check if other strips will be affected. */
   const bool changed = BLI_gset_len(collection->set) > selected_strip_count;