changed isScribble related code to be more robust at determine cusps and deciding if cusps amount to a scribble. enabled undo of scribble erase without undoing scribble. added cusp visualizer for debugging, and cleaned up downDocView to be downFfview on CollectionFreeformView.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 3de97f836..49b432d7c 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -98,6 +98,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const parent = CollectionFreeFormDocumentView.from(dv)?._props.reactParent;
         return parent instanceof CollectionFreeFormView ? parent : undefined;
     }
+    /**
+     * The Freeformview below the cursor at the start of a gesture (that receives the pointerDown event).  Used by GestureOverlay to determine the doc a gesture should apply to.
+     */
+    // eslint-disable-next-line no-use-before-define
+    public static DownFfview: CollectionFreeFormView | undefined; // the first DocView that receives a pointerdown event.  used by GestureOverlay to determine the doc a gesture should apply to.
 
     private _clusters = new CollectionFreeFormClusters(this);
     private _oldWheel: HTMLDivElement | null = null;
@@ -497,6 +502,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @action
     onPointerDown = (e: React.PointerEvent): void => {
+        if (!CollectionFreeFormView.DownFfview) CollectionFreeFormView.DownFfview = this;
+
         this._downX = this._lastX = e.pageX;
         this._downY = this._lastY = e.pageY;
         this._downTime = Date.now();