diff options
author | Richard Antalik <richardantalik@gmail.com> | 2020-07-26 17:07:34 +0300 |
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committer | Richard Antalik <richardantalik@gmail.com> | 2020-07-26 17:07:34 +0300 |
commit | 076d033e10eee29bfc8315344bd2ba1f0951ad06 (patch) | |
tree | 9861aee399c69116a5804bd89215f2f93b5fe642 /source/blender/blenkernel/intern/sequencer.c | |
parent | f0e370a65083419049900c51cdca0d9d3d44f749 (diff) |
VSE: Refactor delete operator and API
Operator logic is limited to iterating over selection and executing
same code as python API does.
Functional changes:
- No attempt to preserve effects is made. Dependant effects are deleted.
- No attempt to change meta strip boundaries.
Partially fixes T73828
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D6892
Diffstat (limited to 'source/blender/blenkernel/intern/sequencer.c')
-rw-r--r-- | source/blender/blenkernel/intern/sequencer.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c index 742b20c7de9..4b2d42c704e 100644 --- a/source/blender/blenkernel/intern/sequencer.c +++ b/source/blender/blenkernel/intern/sequencer.c @@ -6069,3 +6069,61 @@ bool BKE_sequencer_render_loop_check(Sequence *seq_main, Sequence *seq) return false; } + +static void sequencer_flag_users_for_removal(Scene *scene, ListBase *seqbase, Sequence *seq) +{ + LISTBASE_FOREACH (Sequence *, user_seq, seqbase) { + /* Look in metas for usage of seq. */ + if (user_seq->type == SEQ_TYPE_META) { + sequencer_flag_users_for_removal(scene, &user_seq->seqbase, seq); + } + + /* Clear seq from modifiers. */ + SequenceModifierData *smd; + for (smd = user_seq->modifiers.first; smd; smd = smd->next) { + if (smd->mask_sequence == seq) { + smd->mask_sequence = NULL; + } + } + + /* Remove effects, that use seq. */ + if ((user_seq->seq1 && user_seq->seq1 == seq) || (user_seq->seq2 && user_seq->seq2 == seq) || + (user_seq->seq3 && user_seq->seq3 == seq)) { + user_seq->flag |= SEQ_FLAG_DELETE; + /* Strips can be used as mask even if not in same seqbase. */ + sequencer_flag_users_for_removal(scene, &scene->ed->seqbase, user_seq); + } + } +} + +/* Flag seq and its users (effects) for removal. */ +void BKE_sequencer_flag_for_removal(Scene *scene, ListBase *seqbase, Sequence *seq) +{ + if (seq == NULL || (seq->flag & SEQ_FLAG_DELETE) != 0) { + return; + } + + /* Flag and remove meta children. */ + if (seq->type == SEQ_TYPE_META) { + LISTBASE_FOREACH (Sequence *, meta_child, &seq->seqbase) { + BKE_sequencer_flag_for_removal(scene, &seq->seqbase, meta_child); + } + } + + seq->flag |= SEQ_FLAG_DELETE; + sequencer_flag_users_for_removal(scene, seqbase, seq); +} + +/* Remove all flagged sequences, return true if sequence is removed. */ +void BKE_sequencer_remove_flagged_sequences(Scene *scene, ListBase *seqbase) +{ + LISTBASE_FOREACH_MUTABLE (Sequence *, seq, seqbase) { + if (seq->flag & SEQ_FLAG_DELETE) { + if (seq->type == SEQ_TYPE_META) { + BKE_sequencer_remove_flagged_sequences(scene, &seq->seqbase); + } + BLI_remlink(seqbase, seq); + BKE_sequence_free(scene, seq, true); + } + } +} |