VSE: Move split operator logic to module code

Code was rewritten to work on per-sequence basis returning reference to
created strip.

There should be no functional changes.

Selection logic is left as is for now. I could simplify it, but it
belongs to operator, not split logic.

Reviewed By: sergey

Differential Revision: developer.blender.org/D9592

1 files changed, 19 insertions, 0 deletions

diff --git a/source/blender/sequencer/SEQ_sequencer.h b/source/blender/sequencer/SEQ_sequencer.h
index d9e2d32db0b..20333e3505c 100644
--- a/source/blender/sequencer/SEQ_sequencer.h
+++ b/source/blender/sequencer/SEQ_sequencer.h
@@ -576,6 +576,25 @@ void BKE_sequencer_check_uuids_unique_and_report(const struct Scene *scene);
 /* Generate new UUID for the given sequence. */
 void BKE_sequence_session_uuid_generate(struct Sequence *sequence);
 
+/* **********************************************************************
+ * strip_edit.c
+ *
+ * Editing functions
+ * **********************************************************************
+ */
+
+typedef enum eSeqSplitMethod {
+  SEQ_SPLIT_SOFT,
+  SEQ_SPLIT_HARD,
+} eSeqSplitMethod;
+
+struct Sequence *SEQ_edit_strip_split(struct Main *bmain,
+                                      struct Scene *scene,
+                                      struct ListBase *seqbase,
+                                      struct Sequence *seq,
+                                      const int timeline_frame,
+                                      const eSeqSplitMethod method);
+
 #ifdef __cplusplus
 }
 #endif