🐛 Fix problem when pasting elements in reverse flex layout

CHANGES.md

@@ -13,6 +13,7 @@
 ### :bug: Bugs fixed
 
 - Fix problem when drag+duplicate a full grid [Taiga #12565](https://tree.taiga.io/project/penpot/issue/12565)
+- Fix problem when pasting elements in reverse flex layout [Taiga #12460](https://tree.taiga.io/project/penpot/issue/12460)
 
 
 ## 2.12.0 (Unreleased)

frontend/src/app/main/data/workspace/clipboard.cljs

@@ -706,12 +706,11 @@
                                         (= 1 (count tree-root)))]
 
               (cond
-                (selected-frame? state)
-
-                (if (or (any-same-frame-from-selected? state (keys pobjects))
-                        (and only-one-root-shape?
-                             (frame-same-size? pobjects (first tree-root))))
                 ;; Paste next to selected frame, if selected is itself or of the same size as the copied
+                (and (selected-frame? state)
+                     (or (any-same-frame-from-selected? state (keys pobjects))
+                         (and only-one-root-shape?
+                              (frame-same-size? pobjects (first tree-root)))))
                 (let [selected-frame-obj (get page-objects (first page-selected))
                       parent-id          (:parent-id base)
                       paste-x            (+ (:width selected-frame-obj) (:x selected-frame-obj) 50)
@@ -721,6 +720,7 @@
                   [parent-id delta index])
 
                 ;; Paste inside selected frame otherwise
+                (selected-frame? state)
                 (let [selected-frame-obj (get page-objects (first page-selected))
                       origin-frame-id (:frame-id first-selected-obj)
                       origin-frame-object (get page-objects origin-frame-id)
@@ -751,8 +751,13 @@
                               ;; - Align it to the limits on the x and y axis
                               ;; - Respect the distance of the object to the right
                               ;;   and bottom in the original frame
-                                (gpt/point paste-x paste-y))]
+                              (gpt/point paste-x paste-y))
-                    [frame-id delta (dec (count (:shapes selected-frame-obj)))]))
+
+                      target-index
+                      (if (and (ctl/flex-layout? selected-frame-obj) (ctl/reverse? selected-frame-obj))
+                        (dec 0) ;; Before the first index 0
+                        (count (:shapes selected-frame-obj)))]
+                  [frame-id delta target-index])
 
                 (empty? page-selected)
                 (let [frame-id (ctst/top-nested-frame page-objects position)