1 files changed, 64 insertions, 0 deletions
diff --git a/source/blender/editors/space_outliner/tree/tree_display.h b/source/blender/editors/space_outliner/tree/tree_display.h
new file mode 100644
index 00000000000..4ef71ded133
--- /dev/null
+++ b/source/blender/editors/space_outliner/tree/tree_display.h
@@ -0,0 +1,64 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/** \file
+ * \ingroup spoutliner
+ *
+ * C-API for the Tree-Display types.
+ */
+
+#pragma once
+
+#include "DNA_space_types.h"
+
+struct ListBase;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** C alias for an #AbstractTreeDisplay handle. */
+typedef struct TreeDisplay TreeDisplay;
+
+/**
+ * \brief The data to build the tree from.
+ */
+typedef struct TreeSourceData {
+  struct Main *bmain;
+  struct Scene *scene;
+  struct ViewLayer *view_layer;
+} TreeSourceData;
+
+TreeDisplay *outliner_tree_display_create(eSpaceOutliner_Mode mode, SpaceOutliner *space_outliner);
+void outliner_tree_display_destroy(TreeDisplay **tree_display);
+
+ListBase outliner_tree_display_build_tree(TreeDisplay *tree_display, TreeSourceData *source_data);
+
+/* The following functions are needed to build the tree. They are calls back into C; the way
+ * elements are created should be refactored and ported to C++ with a new design/API too. */
+struct TreeElement *outliner_add_element(SpaceOutliner *space_outliner,
+                                         ListBase *lb,
+                                         void *idv,
+                                         struct TreeElement *parent,
+                                         short type,
+                                         short index);
+void outliner_make_object_parent_hierarchy(ListBase *lb);
+
+const char *outliner_idcode_to_plural(short idcode);
+
+#ifdef __cplusplus
+}
+#endif