From 2cc8ef127e1a626f4517c8a0ee9f555fb8b66758 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Wed, 9 Dec 2009 16:00:53 +0000
Subject: added collection sequences_all so strips within meta's can be
 animated

---
 source/blender/makesdna/DNA_sequence_types.h  |  4 +-
 source/blender/makesrna/intern/rna_sequence.c | 53 ++++++++++++++++++++++++++-
 2 files changed, 54 insertions(+), 3 deletions(-)

(limited to 'source')

diff --git a/source/blender/makesdna/DNA_sequence_types.h b/source/blender/makesdna/DNA_sequence_types.h
index 3b8182b8759..6adaf936ed4 100644
--- a/source/blender/makesdna/DNA_sequence_types.h
+++ b/source/blender/makesdna/DNA_sequence_types.h
@@ -183,8 +183,8 @@ typedef struct MetaStack {
 } MetaStack;
 
 typedef struct Editing {
-	ListBase *seqbasep;
-	ListBase seqbase;
+	ListBase *seqbasep; /* pointer to the current list of seq's being edited (can be within a meta strip) */
+	ListBase seqbase;	/* pointer to the top-most seq's */
 	ListBase metastack;
 	
 	/* Context vars, used to be static */
diff --git a/source/blender/makesrna/intern/rna_sequence.c b/source/blender/makesrna/intern/rna_sequence.c
index 68bfea7161d..6f9cbd608e3 100644
--- a/source/blender/makesrna/intern/rna_sequence.c
+++ b/source/blender/makesrna/intern/rna_sequence.c
@@ -43,6 +43,51 @@
 
 #ifdef RNA_RUNTIME
 
+/* build a temp referene to the parent */
+static int meta_tmp_ref(Sequence *seq_par, Sequence *seq)
+{
+	for (; seq; seq= seq->next) {
+		seq->tmp= seq_par;
+		if(seq->type == SEQ_META) {
+			meta_tmp_ref(seq, seq->seqbase.first);
+		}
+	}
+}
+
+static void rna_SequenceEditor_sequences_all_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
+{
+	Scene *sce= (Scene*)ptr->id.data;
+	Editing *ed= seq_give_editing(sce, FALSE);
+
+	meta_tmp_ref(NULL, ed->seqbase.first);
+
+	rna_iterator_listbase_begin(iter, &ed->seqbase, NULL);
+}
+
+static void rna_SequenceEditor_sequences_all_next(CollectionPropertyIterator *iter)
+{
+	ListBaseIterator *internal= iter->internal;
+	Sequence *seq= (Sequence*)internal->link;
+
+	if(seq->seqbase.first)
+		internal->link= (Link*)seq->seqbase.first;
+	else if(seq->next)
+		internal->link= (Link*)seq->next;
+	else {
+		internal->link= NULL;
+
+		do {
+			seq= seq->tmp; // XXX - seq's dont reference their parents!
+			if(seq && seq->next) {
+				internal->link= (Link*)seq->next;
+				break;
+			}
+		} while(seq);
+	}
+
+	iter->valid= (internal->link != NULL);
+}
+
 static void rna_Sequence_start_frame_set(PointerRNA *ptr, int value)
 {
 	Sequence *seq= (Sequence*)ptr->data;
@@ -222,7 +267,7 @@ static char *rna_Sequence_path(PointerRNA *ptr)
 	 * TODO: would be nice to make SequenceEditor data a datablock of its own (for shorter paths)
 	 */
 	if (seq->name+2)
-		return BLI_sprintfN("sequence_editor.sequences[\"%s\"]", seq->name+2);
+		return BLI_sprintfN("sequence_editor.sequences_all[\"%s\"]", seq->name+2);
 	else
 		return BLI_strdup("");
 }
@@ -613,6 +658,12 @@ static void rna_def_editor(BlenderRNA *brna)
 	RNA_def_property_struct_type(prop, "Sequence");
 	RNA_def_property_ui_text(prop, "Sequences", "");
 
+	prop= RNA_def_property(srna, "sequences_all", PROP_COLLECTION, PROP_NONE);
+	RNA_def_property_collection_sdna(prop, NULL, "seqbase", NULL);
+	RNA_def_property_struct_type(prop, "Sequence");
+	RNA_def_property_ui_text(prop, "Sequences", "");
+	RNA_def_property_collection_funcs(prop, "rna_SequenceEditor_sequences_all_begin", "rna_SequenceEditor_sequences_all_next", 0, 0, 0, 0, 0);
+
 	prop= RNA_def_property(srna, "meta_stack", PROP_COLLECTION, PROP_NONE);
 	RNA_def_property_collection_sdna(prop, NULL, "metastack", NULL);
 	RNA_def_property_struct_type(prop, "Sequence");
-- 
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