1 files changed, 106 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_sequencer.c b/source/blender/makesrna/intern/rna_sequencer.c
index 0013131e622..a27e699ef3d 100644
--- a/source/blender/makesrna/intern/rna_sequencer.c
+++ b/source/blender/makesrna/intern/rna_sequencer.c
@@ -15,7 +15,9 @@
 #include "DNA_vfont_types.h"
 
 #include "BLI_iterator.h"
+#include "BLI_listbase.h"
 #include "BLI_math.h"
+#include "BLI_string_utils.h"
 
 #include "BLT_translation.h"
 
@@ -34,6 +36,7 @@
 #include "rna_internal.h"
 
 #include "SEQ_add.h"
+#include "SEQ_channels.h"
 #include "SEQ_effects.h"
 #include "SEQ_iterator.h"
 #include "SEQ_modifier.h"
@@ -1374,6 +1377,71 @@ static void rna_Sequence_separate(ID *id, Sequence *seqm, Main *bmain)
   WM_main_add_notifier(NC_SCENE | ND_SEQUENCER, scene);
 }
 
+/* Find channel owner. If NULL, owner is `Editing`, otherwise it's `Sequence`. */
+static Sequence *rna_SeqTimelineChannel_owner_get(Editing *ed, SeqTimelineChannel *channel)
+{
+  SeqCollection *strips = SEQ_query_all_strips_recursive(&ed->seqbase);
+
+  Sequence *channel_owner = NULL;
+  Sequence *seq;
+  SEQ_ITERATOR_FOREACH (seq, strips) {
+    if (seq->type != SEQ_TYPE_META) {
+      continue;
+    }
+    if (BLI_findindex(&seq->channels, channel) >= 0) {
+      channel_owner = seq;
+    }
+  }
+
+  SEQ_collection_free(strips);
+  return channel_owner;
+}
+
+static void rna_SequenceTimelineChannel_name_set(PointerRNA *ptr, const char *value)
+{
+  SeqTimelineChannel *channel = (SeqTimelineChannel *)ptr->data;
+  Scene *scene = (Scene *)ptr->owner_id;
+  Editing *ed = SEQ_editing_get(scene);
+
+  Sequence *channel_owner = rna_SeqTimelineChannel_owner_get(ed, channel);
+  ListBase *channels_base = &ed->channels;
+
+  if (channel_owner != NULL) {
+    channels_base = &channel_owner->channels;
+  }
+
+  BLI_strncpy_utf8(channel->name, value, sizeof(channel->name));
+  BLI_uniquename(channels_base,
+                 channel,
+                 "Channel",
+                 '.',
+                 offsetof(SeqTimelineChannel, name),
+                 sizeof(channel->name));
+}
+
+static char *rna_SeqTimelineChannel_path(PointerRNA *ptr)
+{
+  Scene *scene = (Scene *)ptr->owner_id;
+  Editing *ed = SEQ_editing_get(scene);
+  SeqTimelineChannel *channel = (SeqTimelineChannel *)ptr->data;
+
+  Sequence *channel_owner = rna_SeqTimelineChannel_owner_get(ed, channel);
+
+  char channel_name_esc[(sizeof(channel->name)) * 2];
+  BLI_str_escape(channel_name_esc, channel->name, sizeof(channel_name_esc));
+
+  if (channel_owner == NULL) {
+    return BLI_sprintfN("sequence_editor.channels[\"%s\"]", channel_name_esc);
+  }
+  else {
+    char owner_name_esc[(sizeof(channel_owner->name) - 2) * 2];
+    BLI_str_escape(owner_name_esc, channel_owner->name + 2, sizeof(owner_name_esc));
+    return BLI_sprintfN("sequence_editor.sequences_all[\"%s\"].channels[\"%s\"]",
+                        owner_name_esc,
+                        channel_name_esc);
+  }
+}
+
 #else
 
 static void rna_def_strip_element(BlenderRNA *brna)
@@ -2081,6 +2149,33 @@ static void rna_def_sequence(BlenderRNA *brna)
   RNA_api_sequence_strip(srna);
 }
 
+static void rna_def_channel(BlenderRNA *brna)
+{
+  StructRNA *srna;
+  PropertyRNA *prop;
+
+  srna = RNA_def_struct(brna, "SequenceTimelineChannel", NULL);
+  RNA_def_struct_sdna(srna, "SeqTimelineChannel");
+  RNA_def_struct_path_func(srna, "rna_SeqTimelineChannel_path");
+  RNA_def_struct_ui_text(srna, "Channel", "");
+
+  prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
+  RNA_def_property_string_maxlength(prop, sizeof(((SeqTimelineChannel *)NULL)->name));
+  RNA_def_property_ui_text(prop, "Name", "");
+  RNA_def_struct_name_property(srna, prop);
+  RNA_def_property_string_funcs(prop, NULL, NULL, "rna_SequenceTimelineChannel_name_set");
+  RNA_def_property_update(prop, NC_SCENE | ND_SEQUENCER, NULL);
+
+  prop = RNA_def_property(srna, "lock", PROP_BOOLEAN, PROP_NONE);
+  RNA_def_property_boolean_sdna(prop, NULL, "flag", SEQ_CHANNEL_LOCK);
+  RNA_def_property_ui_text(prop, "Lock channel", "");
+
+  prop = RNA_def_property(srna, "mute", PROP_BOOLEAN, PROP_NONE);
+  RNA_def_property_boolean_sdna(prop, NULL, "flag", SEQ_CHANNEL_MUTE);
+  RNA_def_property_ui_text(prop, "Mute channel", "");
+  RNA_def_property_update(prop, NC_SCENE | ND_SEQUENCER, NULL);
+}
+
 static void rna_def_editor(BlenderRNA *brna)
 {
   StructRNA *srna;
@@ -2129,6 +2224,11 @@ static void rna_def_editor(BlenderRNA *brna)
   RNA_def_property_collection_funcs(
       prop, NULL, NULL, NULL, "rna_SequenceEditor_meta_stack_get", NULL, NULL, NULL, NULL);
 
+  prop = RNA_def_property(srna, "channels", PROP_COLLECTION, PROP_NONE);
+  RNA_def_property_collection_sdna(prop, NULL, "channels", NULL);
+  RNA_def_property_struct_type(prop, "SequenceTimelineChannel");
+  RNA_def_property_ui_text(prop, "Channels", "");
+
   prop = RNA_def_property(srna, "active_strip", PROP_POINTER, PROP_NONE);
   RNA_def_property_pointer_sdna(prop, NULL, "act_seq");
   RNA_def_property_flag(prop, PROP_EDITABLE);
@@ -2475,6 +2575,11 @@ static void rna_def_meta(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Sequences", "Sequences nested in meta strip");
   RNA_api_sequences(brna, prop, true);
 
+  prop = RNA_def_property(srna, "channels", PROP_COLLECTION, PROP_NONE);
+  RNA_def_property_collection_sdna(prop, NULL, "channels", NULL);
+  RNA_def_property_struct_type(prop, "SequenceTimelineChannel");
+  RNA_def_property_ui_text(prop, "Channels", "");
+
   func = RNA_def_function(srna, "separate", "rna_Sequence_separate");
   RNA_def_function_flag(func, FUNC_USE_SELF_ID | FUNC_USE_MAIN);
   RNA_def_function_ui_description(func, "Separate meta");
@@ -3472,6 +3577,7 @@ void RNA_def_sequencer(BlenderRNA *brna)
 
   rna_def_sequence(brna);
   rna_def_editor(brna);
+  rna_def_channel(brna);
 
   rna_def_image(brna);
   rna_def_meta(brna);