source/blender/editors/animation/anim_onion_skin.c

@@ -0,0 +1,41 @@
+#include "BKE_context.h"
+#include "DNA_scene_types.h"
+#include "DNA_windowmanager_types.h"
+
+#include "ED_onion_skin.h"
+#include "MEM_guardedalloc.h"
+#include "WM_types.h"
+
+static void add_exec(bContext *C, wmOperator *op)
+{
+  Object *ob = CTX_data_active_object(C);
+  ListBase selected = {NULL, NULL};
+  CTX_data_selected_objects(C, &selected);
+  Scene *scene = CTX_data_scene(C);
+  
+  BLI_freelistN(&selected);
+}
+
+static void ANIM_OT_onion_skin_add(wmOperatorType *ot)
+{
+  /* identifiers */
+  ot->name = "Add Onion Skin";
+  ot->description = "foobar";
+  ot->idname = "ANIM_OT_onion_skin_add";
+
+  /* api callbacks */
+  ot->exec = add_exec;
+  /* ot->cancel = WM_gesture_box_cancel; */
+
+  /* ot->poll = ed_markers_poll_markers_exist; */
+
+  /* flags */
+  ot->flag = OPTYPE_UNDO | OPTYPE_REGISTER;
+
+  /* properties */
+}
+
+ED_operatortypes_onion_skin(void)
+{
+  WM_operatortype_append(ANIM_OT_onion_skin_add);
+}