Object: new add object tool, currently for primitive types

- Interactively adding primitives with two clicks.
- Scene orientation used for new objects.
- Depth [view-plane, axis-plane, surface]
- Origin [base, center]
- Primitive types [cube, cylinder, cone, uv-sphere, ico-sphere ]
- Settings for object types in the top-bar.

Shortcuts:

- Snapping (Ctrl).
- Constrain 1:1 aspect (Shift).
- Toggle center (Alt).

Part of T57210 design task.

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/editors/space_view3d/space_view3d.c b/source/blender/editors/space_view3d/space_view3d.c
index 51607c5daa3..4fc98789c18 100644
--- a/source/blender/editors/space_view3d/space_view3d.c
+++ b/source/blender/editors/space_view3d/space_view3d.c
@@ -675,6 +675,8 @@ static void view3d_widgets(void)
   WM_gizmogrouptype_append(VIEW3D_GGT_ruler);
   WM_gizmotype_append(VIEW3D_GT_ruler_item);
 
+  WM_gizmogrouptype_append(VIEW3D_GGT_placement);
+
   WM_gizmogrouptype_append_and_link(gzmap_type, VIEW3D_GGT_navigate);
   WM_gizmotype_append(VIEW3D_GT_navigate_rotate);
 }