Sequencer: 2D cursor for the preview & transform

- Use 2D cursor in the preview space using shortcuts
  matching the UV editor and 3D view.
- Add Cursor tool, cursor transform.
- Support for cursor and bound-box pivot.
- Add pivot pie menu.

1 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/editors/animation/anim_ops.c b/source/blender/editors/animation/anim_ops.c
index 3958c7f9e34..8232df968ed 100644
--- a/source/blender/editors/animation/anim_ops.c
+++ b/source/blender/editors/animation/anim_ops.c
@@ -74,9 +74,17 @@ static bool change_frame_poll(bContext *C)
    * this shouldn't show up in 3D editor (or others without 2D timeline view) via search
    */
   if (area) {
-    if (ELEM(area->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_SEQ, SPACE_CLIP)) {
+    if (ELEM(area->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_CLIP)) {
       return true;
     }
+    if (area->spacetype == SPACE_SEQ) {
+      /* Check the region type so tools (which are shared between preview/strip view)
+       * don't conflict with actions which can have the same key bound (2D cursor for example). */
+      const ARegion *region = CTX_wm_region(C);
+      if (region && region->regiontype == RGN_TYPE_WINDOW) {
+        return true;
+      }
+    }
     if (area->spacetype == SPACE_GRAPH) {
       const SpaceGraph *sipo = area->spacedata.first;
       /* Driver Editor's X axis is not time. */