Drag and drop files from outliner and asset browser into VSE

drag_drop.diff

diff --git a/source/blender/editors/space_sequencer/space_sequencer.c b/source/blender/editors/space_sequencer/space_sequencer.c
index 2a6e49edfb6..dd57b74cd0d 100644
--- a/source/blender/editors/space_sequencer/space_sequencer.c
+++ b/source/blender/editors/space_sequencer/space_sequencer.c
@@ -364,6 +364,21 @@ static void sequencer_listener(const wmSpaceTypeListenerParams *params)
 
 /* ************* dropboxes ************* */
 
+static bool movie_id_drop_poll(bContext *UNUSED(C), wmDrag *drag, const wmEvent *UNUSED(event))
+{
+  return WM_drag_get_local_ID(drag, 0) != NULL;
+}
+
+static bool image_id_drop_poll(bContext *UNUSED(C), wmDrag *drag, const wmEvent *UNUSED(event))
+{
+  return WM_drag_get_local_ID(drag, 0) != NULL;
+}
+
+static bool sound_id_drop_poll(bContext *C, wmDrag *drag, const wmEvent *UNUSED(event))
+{
+  return WM_drag_get_local_ID(drag, 0) != NULL;
+}
+
 static bool image_drop_poll(bContext *C, wmDrag *drag, const wmEvent *event)
 {
   ARegion *region = CTX_wm_region(C);
@@ -413,13 +428,34 @@ static bool sound_drop_poll(bContext *C, wmDrag *drag, const wmEvent *event)
   return 0;
 }
 
-static void sequencer_drop_copy(wmDrag *drag, wmDropBox *drop)
+
+static void view3d_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
 {
-  /* Copy drag path to properties. */
-  if (RNA_struct_find_property(drop->ptr, "filepath")) {
+  ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, 0);
+
+  if (id) {
+    RNA_string_set(drop->ptr, "name", id->name + 2);
+    RNA_struct_property_unset(drop->ptr, "filepath");
+  }
+  else if (drag->path[0]) {
     RNA_string_set(drop->ptr, "filepath", drag->path);
+    RNA_struct_property_unset(drop->ptr, "image");
   }
+}
+
+static void sequencer_id_path_drop_copy(wmDrag *drag, wmDropBox *drop)
+{
+  ID *id = WM_drag_get_local_ID_or_import_from_asset(drag, 0);
 
+  /* FIX: ID must return a path instead. */
+  if (id) { 
+    RNA_string_set(drop->ptr, "name", id->name + 2);
+    RNA_struct_property_unset(drop->ptr, "filepath");
+  }
+  else if (drag->path[0]) {
+    RNA_string_set(drop->ptr, "filepath", drag->path);
+    RNA_struct_property_unset(drop->ptr, "name");
+  }
   if (RNA_struct_find_property(drop->ptr, "directory")) {
     PointerRNA itemptr;
     char dir[FILE_MAX], file[FILE_MAX];
@@ -440,11 +476,18 @@ static void sequencer_dropboxes(void)
   ListBase *lb = WM_dropboxmap_find("Sequencer", SPACE_SEQ, RGN_TYPE_WINDOW);
 
   WM_dropbox_add(
-      lb, "SEQUENCER_OT_image_strip_add", image_drop_poll, sequencer_drop_copy, NULL, NULL);
+    lb, "SEQUENCER_OT_movie_strip_add", movie_id_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
+  WM_dropbox_add(
+    lb, "SEQUENCER_OT_movie_strip_add", image_id_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
+  WM_dropbox_add(
+    lb, "SEQUENCER_OT_movie_strip_add", sound_id_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
+
+  WM_dropbox_add(
+      lb, "SEQUENCER_OT_image_strip_add", image_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
   WM_dropbox_add(
-      lb, "SEQUENCER_OT_movie_strip_add", movie_drop_poll, sequencer_drop_copy, NULL, NULL);
+      lb, "SEQUENCER_OT_movie_strip_add", movie_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
   WM_dropbox_add(
-      lb, "SEQUENCER_OT_sound_strip_add", sound_drop_poll, sequencer_drop_copy, NULL, NULL);
+      lb, "SEQUENCER_OT_sound_strip_add", sound_drop_poll, sequencer_id_path_drop_copy, NULL, NULL);
 }
 
 /* ************* end drop *********** */