From 0b38b0629496973d6c4571208710096deb91b7d7 Mon Sep 17 00:00:00 2001
From: srichman333 <sarah_n_richman@brown.edu>
Date: Fri, 24 Nov 2023 17:59:13 -0500
Subject: merge

---
 .../collectionFreeForm/CollectionFreeFormView.tsx  | 660 ++++++---------------
 1 file changed, 184 insertions(+), 476 deletions(-)

(limited to 'src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index da0f7c893..e350c35cc 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -9,20 +9,18 @@ import { DocData, Height, Width } from '../../../../fields/DocSymbols';
 import { Id } from '../../../../fields/FieldSymbols';
 import { InkData, InkField, InkTool, PointData, Segment } from '../../../../fields/InkField';
 import { List } from '../../../../fields/List';
-import { RichTextField } from '../../../../fields/RichTextField';
 import { listSpec } from '../../../../fields/Schema';
 import { ScriptField } from '../../../../fields/ScriptField';
-import { BoolCast, Cast, DocCast, FieldValue, NumCast, ScriptCast, StrCast } from '../../../../fields/Types';
+import { BoolCast, Cast, DocCast, NumCast, ScriptCast, StrCast } from '../../../../fields/Types';
 import { ImageField } from '../../../../fields/URLField';
 import { TraceMobx } from '../../../../fields/util';
 import { GestureUtils } from '../../../../pen-gestures/GestureUtils';
-import { aggregateBounds, DashColor, emptyFunction, intersectRect, lightOrDark, returnFalse, returnZero, setupMoveUpEvents, Utils } from '../../../../Utils';
+import { aggregateBounds, DashColor, emptyFunction, intersectRect, lightOrDark, OmitKeys, returnFalse, returnZero, setupMoveUpEvents, Utils } from '../../../../Utils';
 import { CognitiveServices } from '../../../cognitive_services/CognitiveServices';
 import { Docs, DocUtils } from '../../../documents/Documents';
 import { CollectionViewType, DocumentType } from '../../../documents/DocumentTypes';
 import { DocumentManager } from '../../../util/DocumentManager';
 import { DragManager, dropActionType } from '../../../util/DragManager';
-import { InteractionUtils } from '../../../util/InteractionUtils';
 import { FollowLinkScript } from '../../../util/LinkFollower';
 import { ReplayMovements } from '../../../util/ReplayMovements';
 import { ScriptingGlobals } from '../../../util/ScriptingGlobals';
@@ -31,13 +29,13 @@ import { freeformScrollMode } from '../../../util/SettingsManager';
 import { SnappingManager } from '../../../util/SnappingManager';
 import { Transform } from '../../../util/Transform';
 import { undoBatch, UndoManager } from '../../../util/UndoManager';
-import { COLLECTION_BORDER_WIDTH } from '../../../views/global/globalCssVariables.scss';
 import { Timeline } from '../../animationtimeline/Timeline';
 import { ContextMenu } from '../../ContextMenu';
 import { GestureOverlay } from '../../GestureOverlay';
-import { ActiveArrowEnd, ActiveArrowStart, ActiveDash, ActiveFillColor, ActiveInkBezierApprox, ActiveInkColor, ActiveInkWidth, ActiveIsInkMask, InkingStroke, SetActiveInkColor, SetActiveInkWidth } from '../../InkingStroke';
+import { CtrlKey } from '../../GlobalKeyHandler';
+import { ActiveInkWidth, InkingStroke, SetActiveInkColor, SetActiveInkWidth } from '../../InkingStroke';
 import { LightboxView } from '../../LightboxView';
-import { CollectionFreeFormDocumentView } from '../../nodes/CollectionFreeFormDocumentView';
+import { CollectionFreeFormDocumentView, CollectionFreeFormDocumentViewWrapper } from '../../nodes/CollectionFreeFormDocumentView';
 import { DocFocusOptions, DocumentView, DocumentViewProps, OpenWhere } from '../../nodes/DocumentView';
 import { FieldViewProps } from '../../nodes/FieldView';
 import { FormattedTextBox } from '../../nodes/formattedText/FormattedTextBox';
@@ -46,8 +44,9 @@ import { CreateImage } from '../../nodes/WebBoxRenderer';
 import { StyleProp } from '../../StyleProvider';
 import { CollectionSubView } from '../CollectionSubView';
 import { TreeViewType } from '../CollectionTreeView';
-import { TabDocView } from '../TabDocView';
+import { CollectionFreeFormBackgroundGrid } from './CollectionFreeFormBackgroundGrid';
 import { computePassLayout, computePivotLayout, computeStarburstLayout, computeTimelineLayout, PoolData, ViewDefBounds, ViewDefResult } from './CollectionFreeFormLayoutEngines';
+import { CollectionFreeFormPannableContents } from './CollectionFreeFormPannableContents';
 import { CollectionFreeFormRemoteCursors } from './CollectionFreeFormRemoteCursors';
 import './CollectionFreeFormView.scss';
 import { MarqueeView } from './MarqueeView';
@@ -81,16 +80,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     private _downX: number = 0;
     private _downY: number = 0;
     private _downTime = 0;
-    private _inkToTextStartX: number | undefined;
-    private _inkToTextStartY: number | undefined;
-    private _wordPalette: Map<string, string> = new Map<string, string>();
     private _clusterDistance: number = 75;
     private _hitCluster: number = -1;
     private _disposers: { [name: string]: IReactionDisposer } = {};
     private _renderCutoffData = observable.map<string, boolean>();
-    private _layoutPoolData = observable.map<string, PoolData>();
-    private _layoutSizeData = observable.map<string, { width?: number; height?: number }>();
-    private _cachedPool: Map<string, PoolData> = new Map();
     private _batch: UndoManager.Batch | undefined = undefined;
     private _brushtimer: any;
     private _brushtimer1: any;
@@ -110,9 +103,6 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     private get autoResetFieldKey() {
         return (this.props.viewField ?? '') + '_freeform_autoReset';
     }
-    private get borderWidth() {
-        return this.isAnnotationOverlay ? 0 : COLLECTION_BORDER_WIDTH;
-    }
 
     @observable.shallow _layoutElements: ViewDefResult[] = []; // shallow because some layout items (eg pivot labels) are just generated 'divs' and can't be frozen as observables
     @observable _panZoomTransition: number = 0; // sets the pan/zoom transform ease time- used by nudge(), focus() etc to smoothly zoom/pan.  set to 0 to use document's transition time or default of 0
@@ -122,10 +112,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @observable _deleteList: DocumentView[] = [];
     @observable _timelineRef = React.createRef<Timeline>();
     @observable _marqueeViewRef = React.createRef<MarqueeView>();
-    @observable GroupChildDrag: boolean = false; // child document view being dragged.  needed to update drop areas of groups when a group item is dragged.
     @observable _brushedView: { width: number; height: number; panX: number; panY: number } | undefined; // highlighted region of freeform canvas used by presentations to indicate a region
+    @observable GroupChildDrag: boolean = false; // child document view being dragged.  needed to update drop areas of groups when a group item is dragged.
 
-    @computed get views() {
+    @computed get contentViews() {
         const viewsMask = this._layoutElements.filter(ele => ele.bounds && !ele.bounds.z && ele.inkMask !== -1 && ele.inkMask !== undefined).map(ele => ele.ele);
         const renderableEles = this._layoutElements.filter(ele => ele.bounds && !ele.bounds.z && (ele.inkMask === -1 || ele.inkMask === undefined)).map(ele => ele.ele);
         if (viewsMask.length) renderableEles.push(<div className={`collectionfreeformview-mask${this._layoutElements.some(ele => (ele.inkMask ?? 0) > 0) ? '' : '-empty'}`}>{viewsMask}</div>);
@@ -170,19 +160,15 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const aspect = dv?.nativeWidth && dv?.nativeHeight && !dv.layoutDoc.layout_fitWidth ? dv.nativeHeight / dv.nativeWidth : this.props.PanelHeight() / this.props.PanelWidth();
         return this.props.isAnnotationOverlay || this.props.originTopLeft ? 0 : (aspect * this.props.PanelWidth()) / 2 / scaling; // shift so pan position is at center of window for non-overlay collections
     }
-    @computed get cachedGetLocalTransform(): Transform {
-        return Transform.Identity()
-            .scale(1 / this.zoomScaling())
-            .translate(this.panX(), this.panY());
-    }
-    @computed get cachedGetContainerTransform(): Transform {
-        return this.props.ScreenToLocalTransform().translate(-this.borderWidth, -this.borderWidth);
+    @computed get panZoomXf() {
+        return new Transform(this.panX(), this.panY(), 1 / this.zoomScaling());
     }
-    @computed get cachedGetTransform(): Transform {
-        return this.getContainerTransform()
-            .scale(this.props.isAnnotationOverlay ? 1 : 1 / this.nativeDim())
+    @computed get screenToLocalXf() {
+        return this.props
+            .ScreenToLocalTransform()
+            .scale(this.props.isAnnotationOverlay ? 1 : 1)
             .translate(-this.cachedCenteringShiftX, -this.cachedCenteringShiftY)
-            .transform(this.cachedGetLocalTransform);
+            .transform(this.panZoomXf);
     }
 
     public static gotoKeyframe(timer: NodeJS.Timeout | undefined, docs: Doc[], duration: number) {
@@ -247,11 +233,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     panX = () => this.freeformData()?.bounds.cx ?? NumCast(this.Document[this.panXFieldKey], NumCast(Cast(this.Document.resolvedDataDoc, Doc, null)?.freeform_panX, 1));
     panY = () => this.freeformData()?.bounds.cy ?? NumCast(this.Document[this.panYFieldKey], NumCast(Cast(this.Document.resolvedDataDoc, Doc, null)?.freeform_panY, 1));
     zoomScaling = () => this.freeformData()?.scale ?? NumCast(Doc.Layout(this.Document)[this.scaleFieldKey], NumCast(Cast(this.Document.resolvedDataDoc, Doc, null)?.[this.scaleFieldKey], 1));
-    contentTransform = () =>
+    PanZoomCenterXf = () =>
         this.props.isAnnotationOverlay && this.zoomScaling() === 1 ? `` : `translate(${this.cachedCenteringShiftX}px, ${this.cachedCenteringShiftY}px) scale(${this.zoomScaling()}) translate(${-this.panX()}px, ${-this.panY()}px)`;
-    getTransform = () => this.cachedGetTransform.copy();
-    getLocalTransform = () => this.cachedGetLocalTransform.copy();
-    getContainerTransform = () => this.cachedGetContainerTransform.copy();
+    ScreenToLocalXf = () => this.screenToLocalXf.copy();
     getActiveDocuments = () => this.childLayoutPairs.filter(pair => this.isCurrent(pair.layout)).map(pair => pair.layout);
     isAnyChildContentActive = () => this.props.isAnyChildContentActive();
     addLiveTextBox = (newBox: Doc) => {
@@ -260,7 +244,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
     selectDocuments = (docs: Doc[]) => {
         SelectionManager.DeselectAll();
-        docs.map(doc => DocumentManager.Instance.getDocumentView(doc, this.props.DocumentView?.())).map(dv => dv && SelectionManager.SelectView(dv, true));
+        docs.map(doc => DocumentManager.Instance.getDocumentView(doc, this.props.DocumentView?.())).forEach(dv => dv && SelectionManager.SelectView(dv, true));
     };
     addDocument = (newBox: Doc | Doc[]) => {
         let retVal = false;
@@ -331,19 +315,18 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }
     };
 
-    getView = async (doc: Doc): Promise<Opt<DocumentView>> => {
-        return new Promise<Opt<DocumentView>>(res => {
+    getView = async (doc: Doc): Promise<Opt<DocumentView>> =>
+        new Promise<Opt<DocumentView>>(res => {
             if (doc.hidden && this._lightboxDoc !== doc) doc.hidden = false;
             const findDoc = (finish: (dv: DocumentView) => void) => DocumentManager.Instance.AddViewRenderedCb(doc, dv => finish(dv));
             findDoc(dv => res(dv));
         });
-    };
 
     @action
     internalDocDrop(e: Event, de: DragManager.DropEvent, docDragData: DragManager.DocumentDragData, xp: number, yp: number) {
         if (!super.onInternalDrop(e, de)) return false;
         const refDoc = docDragData.droppedDocuments[0];
-        const [xpo, ypo] = this.getContainerTransform().transformPoint(de.x, de.y);
+        const [xpo, ypo] = this.props.ScreenToLocalTransform().transformPoint(de.x, de.y);
         const z = NumCast(refDoc.z);
         const x = (z ? xpo : xp) - docDragData.offset[0];
         const y = (z ? ypo : yp) - docDragData.offset[1];
@@ -358,16 +341,17 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         for (let i = 0; i < docDragData.droppedDocuments.length; i++) {
             const d = docDragData.droppedDocuments[i];
             const layoutDoc = Doc.Layout(d);
+            const delta = Utils.rotPt(x - dropPos[0], y - dropPos[1], this.props.ScreenToLocalTransform().Rotate);
             if (this.Document._currentFrame !== undefined) {
                 CollectionFreeFormDocumentView.setupKeyframes([d], NumCast(this.Document._currentFrame), false);
                 const pvals = CollectionFreeFormDocumentView.getValues(d, NumCast(d.activeFrame, 1000)); // get filled in values (uses defaults when not value is specified) for position
                 const vals = CollectionFreeFormDocumentView.getValues(d, NumCast(d.activeFrame, 1000), false); // get non-default values for everything else
-                vals.x = x + NumCast(pvals.x) - dropPos[0];
-                vals.y = y + NumCast(pvals.y) - dropPos[1];
+                vals.x = NumCast(pvals.x) + delta.x;
+                vals.y = NumCast(pvals.y) + delta.y;
                 CollectionFreeFormDocumentView.setValues(NumCast(this.Document._currentFrame), d, vals);
             } else {
-                d.x = x + NumCast(d.x) - dropPos[0];
-                d.y = y + NumCast(d.y) - dropPos[1];
+                d.x = NumCast(d.x) + delta.x;
+                d.y = NumCast(d.y) + delta.y;
             }
             d._layout_modificationDate = new DateField();
             const nd = [Doc.NativeWidth(layoutDoc), Doc.NativeHeight(layoutDoc)];
@@ -451,15 +435,28 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     onInternalDrop = (e: Event, de: DragManager.DropEvent) => {
-        const [xp, yp] = this.getTransform().transformPoint(de.x, de.y);
+        const [xp, yp] = this.screenToLocalXf.transformPoint(de.x, de.y);
         if (de.complete.annoDragData?.dragDocument && super.onInternalDrop(e, de)) return this.internalAnchorAnnoDrop(e, de.complete.annoDragData, xp, yp);
         else if (de.complete.linkDragData) return this.internalLinkDrop(e, de, de.complete.linkDragData, xp, yp);
         else if (de.complete.docDragData?.droppedDocuments.length) return this.internalDocDrop(e, de, de.complete.docDragData, xp, yp);
         return false;
     };
 
-    onExternalDrop = (e: React.DragEvent) => (([x, y]) => super.onExternalDrop(e, { x, y }))(this.getTransform().transformPoint(e.pageX, e.pageY));
-
+    onExternalDrop = (e: React.DragEvent) => (([x, y]) => super.onExternalDrop(e, { x, y }))(this.screenToLocalXf.transformPoint(e.pageX, e.pageY));
+
+    static overlapping(doc1: Doc, doc2: Doc, clusterDistance: number) {
+        const doc2Layout = Doc.Layout(doc2);
+        const doc1Layout = Doc.Layout(doc1);
+        const x2 = NumCast(doc2.x) - clusterDistance;
+        const y2 = NumCast(doc2.y) - clusterDistance;
+        const w2 = NumCast(doc2Layout._width) + clusterDistance;
+        const h2 = NumCast(doc2Layout._height) + clusterDistance;
+        const x = NumCast(doc1.x) - clusterDistance;
+        const y = NumCast(doc1.y) - clusterDistance;
+        const w = NumCast(doc1Layout._width) + clusterDistance;
+        const h = NumCast(doc1Layout._height) + clusterDistance;
+        return doc1.z === doc2.z && intersectRect({ left: x, top: y, width: w, height: h }, { left: x2, top: y2, width: w2, height: h2 });
+    }
     pickCluster(probe: number[]) {
         return this.childLayoutPairs
             .map(pair => pair.layout)
@@ -477,16 +474,16 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             }, -1);
     }
 
-    tryDragCluster(e: PointerEvent | TouchEvent, cluster: number) {
+    tryDragCluster(e: PointerEvent, cluster: number) {
         if (cluster !== -1) {
-            const ptsParent = e instanceof PointerEvent ? e : e.targetTouches.item(0);
+            const ptsParent = e;
             if (ptsParent) {
                 const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this.props.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === cluster);
                 const clusterDocs = eles.map(ele => DocumentManager.Instance.getDocumentView(ele, this.props.DocumentView?.())!);
                 const { left, top } = clusterDocs[0].getBounds() || { left: 0, top: 0 };
                 const de = new DragManager.DocumentDragData(eles, e.ctrlKey || e.altKey ? 'embed' : undefined);
                 de.moveDocument = this.props.moveDocument;
-                de.offset = this.getTransform().transformDirection(ptsParent.clientX - left, ptsParent.clientY - top);
+                de.offset = this.screenToLocalXf.transformDirection(ptsParent.clientX - left, ptsParent.clientY - top);
                 DragManager.StartDocumentDrag(
                     clusterDocs.map(v => v.ContentDiv!),
                     de,
@@ -519,7 +516,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             docs.map(doc =>
                 this._clusterSets.map((set, i) =>
                     set.map(member => {
-                        if (docFirst.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && Doc.overlapping(doc, member, this._clusterDistance)) {
+                        if (docFirst.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && CollectionFreeFormView.overlapping(doc, member, this._clusterDistance)) {
                             docFirst.layout_cluster = i;
                         }
                     })
@@ -552,7 +549,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     @action
-    updateCluster(doc: Doc) {
+    updateCluster = (doc: Doc) => {
         const childLayouts = this.childLayoutPairs.map(pair => pair.layout);
         if (this.props.Document._freeform_useClusters) {
             this._clusterSets.forEach(set => Doc.IndexOf(doc, set) !== -1 && set.splice(Doc.IndexOf(doc, set), 1));
@@ -560,7 +557,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             doc.layout_cluster = -1;
             this._clusterSets.forEach((set, i) =>
                 set.forEach(member => {
-                    if (doc.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && Doc.overlapping(doc, member, this._clusterDistance)) {
+                    if (doc.layout_cluster === -1 && Doc.IndexOf(member, childLayouts) !== -1 && CollectionFreeFormView.overlapping(doc, member, this._clusterDistance)) {
                         doc.layout_cluster = i;
                     }
                 })
@@ -581,9 +578,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 this._clusterSets[doc.layout_cluster ?? 0].push(doc);
             }
         }
-    }
+    };
 
-    getClusterColor = (doc: Opt<Doc>, props: Opt<DocumentViewProps>, property: string) => {
+    clusterStyleProvider = (doc: Opt<Doc>, props: Opt<DocumentViewProps>, property: string) => {
         let styleProp = this.props.styleProvider?.(doc, props, property); // bcz: check 'props'  used to be renderDepth + 1
         switch (property) {
             case StyleProp.BackgroundColor:
@@ -619,41 +616,27 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         return false;
     };
 
-    @action
-    onPenUp = (e: PointerEvent): void => {
-        if (!InteractionUtils.IsType(e, InteractionUtils.TOUCHTYPE)) {
-            document.removeEventListener('pointerup', this.onPenUp);
-            const currentCol = DocListCast(this.rootDoc.currentInkDoc);
-            const rootDocList = DocListCast(this.rootDoc.data);
-            currentCol.push(rootDocList[rootDocList.length - 1]);
-
-            this._batch?.end();
-        }
-    };
-
     @action
     onPointerDown = (e: React.PointerEvent): void => {
         this._downX = this._lastX = e.pageX;
         this._downY = this._lastY = e.pageY;
         this._downTime = Date.now();
-        if (e.button === 0 && !e.altKey && !e.ctrlKey && this.props.isContentActive(true)) {
-            if (
-                !this.props.Document._isGroup && // group freeforms don't pan when dragged -- instead let the event go through to allow the group itself to drag
-                !InteractionUtils.IsType(e, InteractionUtils.TOUCHTYPE) &&
-                !InteractionUtils.IsType(e, InteractionUtils.PENTYPE)
-            ) {
+        const scrollMode = e.altKey ? (Doc.UserDoc().freeformScrollMode === freeformScrollMode.Pan ? freeformScrollMode.Zoom : freeformScrollMode.Pan) : Doc.UserDoc().freeformScrollMode;
+        if (e.button === 0 && (!(e.ctrlKey && !e.metaKey) || scrollMode !== freeformScrollMode.Pan) && this.props.isContentActive(true)) {
+            if (!this.props.Document._isGroup) {
+                // group freeforms don't pan when dragged -- instead let the event go through to allow the group itself to drag
                 // prettier-ignore
                 switch (Doc.ActiveTool) {
-                    case InkTool.Highlighter:  break;
+                    case InkTool.Highlighter: break;
                     case InkTool.Write: break;
-                    case InkTool.Pen:  break; // the GestureOverlay handles ink stroke input -- either as gestures, or drying as ink strokes that are added to document views
+                    case InkTool.Pen: break; // the GestureOverlay handles ink stroke input -- either as gestures, or drying as ink strokes that are added to document views
                     case InkTool.Eraser:
                         this._batch = UndoManager.StartBatch('collectionErase');
                         setupMoveUpEvents(this, e, this.onEraserMove, this.onEraserUp, emptyFunction);
                         break;
                     case InkTool.None:
                         if (!(this.props.layoutEngine?.() || StrCast(this.layoutDoc._layoutEngine))) {
-                            this._hitCluster = this.pickCluster(this.getTransform().transformPoint(e.clientX, e.clientY));
+                            this._hitCluster = this.pickCluster(this.screenToLocalXf.transformPoint(e.clientX, e.clientY));
                             setupMoveUpEvents(this, e, this.onPointerMove, emptyFunction, emptyFunction, this._hitCluster !== -1 ? true : false, false);
                         }
                         break;
@@ -662,29 +645,6 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }
     };
 
-    @action
-    handle1PointerDown = (e: React.TouchEvent, me: InteractionUtils.MultiTouchEvent<React.TouchEvent>) => {
-        // const myTouches = InteractionUtils.GetMyTargetTouches(me, this.prevPoints, true);
-        const pt = me.changedTouches[0];
-        if (pt) {
-            this._hitCluster = this.pickCluster(this.getTransform().transformPoint(pt.clientX, pt.clientY));
-            if (!e.shiftKey && !e.altKey && !e.ctrlKey && this.props.isContentActive(true)) {
-                this.removeMoveListeners();
-                this.addMoveListeners();
-                this.removeEndListeners();
-                this.addEndListeners();
-                if (Doc.ActiveTool === InkTool.None) {
-                    this._lastX = pt.pageX;
-                    this._lastY = pt.pageY;
-                    e.preventDefault();
-                    e.stopPropagation();
-                } else {
-                    e.preventDefault();
-                }
-            }
-        }
-    };
-
     public unprocessedDocs: Doc[] = [];
     public static collectionsWithUnprocessedInk = new Set<CollectionFreeFormView>();
     @undoBatch
@@ -697,25 +657,16 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             case GestureUtils.Gestures.Triangle:
             case GestureUtils.Gestures.Stroke:
                 const points = ge.points;
-                const B = this.getTransform().transformBounds(ge.bounds.left, ge.bounds.top, ge.bounds.width, ge.bounds.height);
-                console.log(ge.bounds.left, ge.bounds.top, ge.bounds.width, ge.bounds.height);
+                const B = this.screenToLocalXf.transformBounds(ge.bounds.left, ge.bounds.top, ge.bounds.width, ge.bounds.height);
+                const inkWidth = ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale;
                 const inkDoc = Docs.Create.InkDocument(
-                    ActiveInkColor(),
-                    ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale,
-                    ActiveInkBezierApprox(),
-                    ActiveFillColor(),
-                    ActiveArrowStart(),
-                    ActiveArrowEnd(),
-                    ActiveDash(),
                     points,
-                    ActiveIsInkMask(),
-                    {
-                        title: ge.gesture.toString(),
-                        x: B.x - (ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale) / 2,
-                        y: B.y - (ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale) / 2,
-                        _width: B.width + ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale,
-                        _height: B.height + ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale,
-                    }
+                    { title: ge.gesture.toString(),
+                      x: B.x - inkWidth / 2,
+                      y: B.y - inkWidth / 2,
+                      _width: B.width + inkWidth,
+                      _height: B.height + inkWidth }, // prettier-ignore
+                    inkWidth
                 );
                 if (Doc.ActiveTool === InkTool.Write) {
                     this.unprocessedDocs.push(inkDoc);
@@ -725,69 +676,20 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 e.stopPropagation();
                 break;
             case GestureUtils.Gestures.Rectangle:
-                if (this._inkToTextStartX && this._inkToTextStartY) {
-                    const end = this.getTransform().transformPoint(Math.max(...ge.points.map(p => p.X)), Math.max(...ge.points.map(p => p.Y)));
-                    const setDocs = this.getActiveDocuments().filter(s => DocCast(s.proto)?.type === DocumentType.RTF && s.color);
-                    const sets = setDocs.map(sd => Cast(sd.text, RichTextField)?.Text as string);
-                    if (sets.length && sets[0]) {
-                        this._wordPalette.clear();
-                        const colors = setDocs.map(sd => FieldValue(sd.color) as string);
-                        sets.forEach((st: string, i: number) => st.split(',').forEach(word => this._wordPalette.set(word, colors[i])));
-                    }
-                    const inks = this.getActiveDocuments().filter(doc => {
-                        if (doc.type === 'ink') {
-                            const l = NumCast(doc.x);
-                            const r = l + doc[Width]();
-                            const t = NumCast(doc.y);
-                            const b = t + doc[Height]();
-                            const pass = !(this._inkToTextStartX! > r || end[0] < l || this._inkToTextStartY! > b || end[1] < t);
-                            return pass;
-                        }
-                        return false;
-                    });
-                    // const inkFields = inks.map(i => Cast(i.data, InkField));
-                    const strokes: InkData[] = [];
-                    inks.forEach(i => {
-                        const d = Cast(i.data, InkField);
-                        const x = NumCast(i.x);
-                        const y = NumCast(i.y);
-                        const left = Math.min(...(d?.inkData.map(pd => pd.X) ?? [0]));
-                        const top = Math.min(...(d?.inkData.map(pd => pd.Y) ?? [0]));
-                        if (d) {
-                            strokes.push(d.inkData.map(pd => ({ X: pd.X + x - left, Y: pd.Y + y - top })));
-                        }
+                const strokes = this.getActiveDocuments()
+                    .filter(doc => doc.type === DocumentType.INK)
+                    .map(i => {
+                        const d = Cast(i.stroke, InkField);
+                        const x = NumCast(i.x) - Math.min(...(d?.inkData.map(pd => pd.X) ?? [0]));
+                        const y = NumCast(i.y) - Math.min(...(d?.inkData.map(pd => pd.Y) ?? [0]));
+                        return !d ? [] : d.inkData.map(pd => ({ X: x + pd.X, Y: y + pd.Y }));
                     });
 
-                    CognitiveServices.Inking.Appliers.InterpretStrokes(strokes).then(results => {
-                        const wordResults = results.filter((r: any) => r.category === 'inkWord');
-                        for (const word of wordResults) {
-                            const indices: number[] = word.strokeIds;
-                            indices.forEach(i => {
-                                const otherInks: Doc[] = [];
-                                indices.forEach(i2 => i2 !== i && otherInks.push(inks[i2]));
-                                inks[i].relatedInks = new List<Doc>(otherInks);
-                                const uniqueColors: string[] = [];
-                                Array.from(this._wordPalette.values()).forEach(c => uniqueColors.indexOf(c) === -1 && uniqueColors.push(c));
-                                inks[i].alternativeColors = new List<string>(uniqueColors);
-                                if (this._wordPalette.has(word.recognizedText.toLowerCase())) {
-                                    inks[i].color = this._wordPalette.get(word.recognizedText.toLowerCase());
-                                } else if (word.alternates) {
-                                    for (const alt of word.alternates) {
-                                        if (this._wordPalette.has(alt.recognizedString.toLowerCase())) {
-                                            inks[i].color = this._wordPalette.get(alt.recognizedString.toLowerCase());
-                                            break;
-                                        }
-                                    }
-                                }
-                            });
-                        }
-                    });
-                    this._inkToTextStartX = end[0];
-                }
+                CognitiveServices.Inking.Appliers.InterpretStrokes(strokes).then(results => {});
                 break;
             case GestureUtils.Gestures.Text:
                 if (ge.text) {
-                    const B = this.getTransform().transformPoint(ge.points[0].X, ge.points[0].Y);
+                    const B = this.screenToLocalXf.transformPoint(ge.points[0].X, ge.points[0].Y);
                     this.addDocument(Docs.Create.TextDocument(ge.text, { title: ge.text, x: B[0], y: B[1] }));
                     e.stopPropagation();
                 }
@@ -810,7 +712,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 e.preventDefault();
             } else if (this.isContentActive() && e.shiftKey) {
                 // reset zoom of freeform view to 1-to-1 on a shift + double click
-                this.zoomSmoothlyAboutPt(this.getTransform().transformPoint(e.clientX, e.clientY), 1);
+                this.zoomSmoothlyAboutPt(this.screenToLocalXf.transformPoint(e.clientX, e.clientY), 1);
                 e.stopPropagation();
                 e.preventDefault();
             }
@@ -824,11 +726,14 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
 
     @action
-    pan = (e: PointerEvent | React.Touch | { clientX: number; clientY: number }): void => {
+    pan = (e: PointerEvent): void => {
+        const ctrlKey = e.ctrlKey && !e.shiftKey;
+        const shiftKey = e.shiftKey && !e.ctrlKey;
         PresBox.Instance?.pauseAutoPres();
         this.props.DocumentView?.().clearViewTransition();
-        const [dx, dy] = this.getTransform().transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
-        this.setPan(NumCast(this.Document[this.panXFieldKey]) - dx, NumCast(this.Document[this.panYFieldKey]) - dy, 0, true);
+        const [dxi, dyi] = this.screenToLocalXf.transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
+        const { x: dx, y: dy } = Utils.rotPt(dxi, dyi, this.props.ScreenToLocalTransform().Rotate);
+        this.setPan(NumCast(this.Document[this.panXFieldKey]) - (ctrlKey ? 0 : dx), NumCast(this.Document[this.panYFieldKey]) - (shiftKey ? 0 : dy), 0, true);
         this._lastX = e.clientX;
         this._lastY = e.clientY;
     };
@@ -874,20 +779,15 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
 
     @action
-    onPointerMove = (e: PointerEvent): boolean => {
-        if (InteractionUtils.IsType(e, InteractionUtils.PENTYPE)) return false;
-        if (InteractionUtils.IsType(e, InteractionUtils.TOUCHTYPE)) {
-            Doc.ActiveTool = InkTool.None;
-        } else {
-            if (this.tryDragCluster(e, this._hitCluster)) {
-                e.stopPropagation(); // we're moving a cluster, so stop propagation and return true to end panning and let the document drag take over
-                return true;
-            }
-            // pan the view if this is a regular collection, or it's an overlay and the overlay is zoomed (otherwise, there's nothing to pan)
-            if (!this.props.isAnnotationOverlay || 1 - NumCast(this.rootDoc._freeform_scale_min, 1) / this.getLocalTransform().inverse().Scale) {
-                this.pan(e);
-                e.stopPropagation(); // if we are actually panning, stop propagation -- this will preven things like the overlayView from dragging the document while we're panning
-            }
+    onPointerMove = (e: PointerEvent) => {
+        if (this.tryDragCluster(e, this._hitCluster)) {
+            e.stopPropagation(); // we're moving a cluster, so stop propagation and return true to end panning and let the document drag take over
+            return true;
+        }
+        // pan the view if this is a regular collection, or it's an overlay and the overlay is zoomed (otherwise, there's nothing to pan)
+        if (!this.props.isAnnotationOverlay || 1 - NumCast(this.rootDoc._freeform_scale_min, 1) / this.zoomScaling()) {
+            this.pan(e);
+            e.stopPropagation(); // if we are actually panning, stop propagation -- this will preven things like the overlayView from dragging the document while we're panning
         }
         return false;
     };
@@ -1025,18 +925,13 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         return tVals;
     };
 
-    cleanUpInteractions = () => {
-        this.removeMoveListeners();
-        this.removeEndListeners();
-    };
-
     @action
     zoom = (pointX: number, pointY: number, deltaY: number): void => {
         if (this.Document._isGroup || this.Document[(this.props.viewField ?? '_') + 'freeform_noZoom']) return;
         let deltaScale = deltaY > 0 ? 1 / 1.05 : 1.05;
         if (deltaScale < 0) deltaScale = -deltaScale;
-        const [x, y] = this.getTransform().transformPoint(pointX, pointY);
-        const invTransform = this.getLocalTransform().inverse();
+        const [x, y] = this.screenToLocalXf.transformPoint(pointX, pointY);
+        const invTransform = this.panZoomXf.inverse();
         if (deltaScale * invTransform.Scale > 20) {
             deltaScale = 20 / invTransform.Scale;
         }
@@ -1067,11 +962,17 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         e.stopPropagation();
         const docHeight = NumCast(this.rootDoc[Doc.LayoutFieldKey(this.rootDoc) + '_nativeHeight'], this.nativeHeight);
         const scrollable = NumCast(this.layoutDoc[this.scaleFieldKey], 1) === 1 && docHeight > this.props.PanelHeight() / this.nativeDimScaling + 1e-4;
-        switch (!e.ctrlKey ? Doc.UserDoc().freeformScrollMode : freeformScrollMode.Pan) {
+        switch (
+            !e.ctrlKey && !e.shiftKey && !e.metaKey && !e.altKey ?//
+                Doc.UserDoc().freeformScrollMode : // no modifiers, do assigned mode
+                    e.ctrlKey && !CtrlKey? // otherwise, if ctrl key (pinch gesture) try to zoom else pan
+                        freeformScrollMode.Zoom : freeformScrollMode.Pan // prettier-ignore
+        ) {
             case freeformScrollMode.Pan:
-                // if ctrl is selected then zoom
-                if (!e.ctrlKey && this.props.isContentActive(true)) {
-                    this.scrollPan({ deltaX: -e.deltaX * this.getTransform().Scale, deltaY: e.shiftKey ? 0 : -e.deltaY * this.getTransform().Scale });
+                if (((!e.metaKey && !e.altKey) || Doc.UserDoc().freeformScrollMode === freeformScrollMode.Zoom) && this.props.isContentActive(true)) {
+                    const deltaX = e.shiftKey ? e.deltaX : e.ctrlKey ? 0 : e.deltaX;
+                    const deltaY = e.shiftKey ? 0 : e.ctrlKey ? e.deltaY : e.deltaY;
+                    this.scrollPan({ deltaX: -deltaX * this.screenToLocalXf.Scale, deltaY: e.shiftKey ? 0 : -deltaY * this.screenToLocalXf.Scale });
                     break;
                 }
             default:
@@ -1093,7 +994,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             // this section wraps the pan position, horizontally and/or vertically whenever the content is panned out of the viewing bounds
             const docs = this.childLayoutPairs.map(pair => pair.layout).filter(doc => doc instanceof Doc);
             const measuredDocs = docs
-                .map(doc => ({ pos: this.childPositionProviderUnmemoized(doc, ''), size: this.childSizeProviderUnmemoized(doc, '') }))
+                .map(doc => ({ pos: { x: NumCast(doc.x), y: NumCast(doc.y) }, size: { width: NumCast(doc.width), height: NumCast(doc.height) } }))
                 .filter(({ pos, size }) => pos && size)
                 .map(({ pos, size }) => ({ pos: pos!, size: size! }));
             if (measuredDocs.length) {
@@ -1110,11 +1011,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                         yrange: { min: this.props.originTopLeft ? 0 : Number.MAX_VALUE, max: -Number.MAX_VALUE },
                     }
                 );
-
-                const panelWidMax = (this.props.PanelWidth() / this.zoomScaling()) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
-                const panelWidMin = (this.props.PanelWidth() / this.zoomScaling()) * (this.props.originTopLeft ? 0 : 1);
-                const panelHgtMax = (this.props.PanelHeight() / this.zoomScaling()) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
-                const panelHgtMin = (this.props.PanelHeight() / this.zoomScaling()) * (this.props.originTopLeft ? 0 : 1);
+                const scaling = this.zoomScaling() * (this.props.NativeDimScaling?.() || 1);
+                const panelWidMax = (this.props.PanelWidth() / scaling) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
+                const panelWidMin = (this.props.PanelWidth() / scaling) * (this.props.originTopLeft ? 0 : 1);
+                const panelHgtMax = (this.props.PanelHeight() / scaling) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
+                const panelHgtMin = (this.props.PanelHeight() / scaling) * (this.props.originTopLeft ? 0 : 1);
                 if (ranges.xrange.min >= panX + panelWidMax / 2) panX = ranges.xrange.max + (this.props.originTopLeft ? 0 : panelWidMax / 2);
                 else if (ranges.xrange.max <= panX - panelWidMin / 2) panX = ranges.xrange.min - (this.props.originTopLeft ? panelWidMax / 2 : panelWidMin / 2);
                 if (ranges.yrange.min >= panY + panelHgtMax / 2) panY = ranges.yrange.max + (this.props.originTopLeft ? 0 : panelHgtMax / 2);
@@ -1124,7 +1025,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         if (!this.layoutDoc._lockedTransform || LightboxView.LightboxDoc) {
             this.setPanZoomTransition(panTime);
             const minScale = NumCast(this.rootDoc._freeform_scale_min, 1);
-            const scale = 1 - minScale / this.getLocalTransform().inverse().Scale;
+            const scale = 1 - minScale / this.zoomScaling();
             const minPanX = NumCast(this.rootDoc._freeform_panX_min, 0);
             const minPanY = NumCast(this.rootDoc._freeform_panY_min, 0);
             const maxPanX = NumCast(this.rootDoc._freeform_panX_max, this.nativeWidth);
@@ -1205,11 +1106,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     zoomSmoothlyAboutPt(docpt: number[], scale: number, transitionTime = 500) {
         if (this.Document._isGroup) return;
         this.setPanZoomTransition(transitionTime);
-        const screenXY = this.getTransform().inverse().transformPoint(docpt[0], docpt[1]);
+        const screenXY = this.screenToLocalXf.inverse().transformPoint(docpt[0], docpt[1]);
         this.layoutDoc[this.scaleFieldKey] = scale;
-        const newScreenXY = this.getTransform().inverse().transformPoint(docpt[0], docpt[1]);
+        const newScreenXY = this.screenToLocalXf.inverse().transformPoint(docpt[0], docpt[1]);
         const scrDelta = { x: screenXY[0] - newScreenXY[0], y: screenXY[1] - newScreenXY[1] };
-        const newpan = this.getTransform().transformDirection(scrDelta.x, scrDelta.y);
+        const newpan = this.screenToLocalXf.transformDirection(scrDelta.x, scrDelta.y);
         this.layoutDoc[this.panXFieldKey] = NumCast(this.layoutDoc[this.panXFieldKey]) - newpan[0];
         this.layoutDoc[this.panYFieldKey] = NumCast(this.layoutDoc[this.panYFieldKey]) - newpan[1];
     }
@@ -1217,7 +1118,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     calculatePanIntoView = (doc: Doc, xf: Transform, scale?: number) => {
         const layoutdoc = Doc.Layout(doc);
         const pt = xf.transformPoint(NumCast(doc.x), NumCast(doc.y));
-        const pt2 = xf.transformPoint(NumCast(doc.x) + layoutdoc[Width](), NumCast(doc.y) + layoutdoc[Height]());
+        const pt2 = xf.transformPoint(NumCast(doc.x) + NumCast(layoutdoc._width), NumCast(doc.y) + NumCast(layoutdoc._height));
         const bounds = { left: pt[0], right: pt2[0], top: pt[1], bot: pt2[1], width: pt2[0] - pt[0], height: pt2[1] - pt[1] };
 
         if (scale !== undefined) {
@@ -1284,11 +1185,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             ? 'none'
             : this.props.childPointerEvents?.() ??
               (this.props.viewDefDivClick || //
-              (engine === computePassLayout.name && !this.props.isSelected(true)) ||
+              (engine === computePassLayout.name && !this.props.isSelected()) ||
               this.isContentActive() === false
                   ? 'none'
                   : this.props.pointerEvents?.());
-        console.log(`${this.rootDoc.title} pe = ` + pointerevents);
         return pointerevents;
     }
 
@@ -1299,16 +1199,18 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const childLayout = entry.pair.layout;
         const childData = entry.pair.data;
         return (
-            <CollectionFreeFormDocumentView
+            <CollectionFreeFormDocumentViewWrapper
+                {...OmitKeys(entry, ['replica', 'pair']).omit}
                 key={childLayout[Id] + (entry.replica || '')}
                 DataDoc={childData}
                 Document={childLayout}
+                dragStarting={this.dragStarting}
+                dragEnding={this.dragEnding}
                 isGroupActive={this.props.isGroupActive}
                 renderDepth={this.props.renderDepth + 1}
-                replica={entry.replica}
                 hideDecorations={BoolCast(childLayout._layout_isSvg && childLayout.type === DocumentType.LINK)}
                 suppressSetHeight={this.layoutEngine ? true : false}
-                renderCutoffProvider={this.renderCutoffProvider}
+                RenderCutoffProvider={this.renderCutoffProvider}
                 CollectionFreeFormView={this}
                 LayoutTemplate={childLayout.z ? undefined : this.props.childLayoutTemplate}
                 LayoutTemplateString={childLayout.z ? undefined : this.props.childLayoutString}
@@ -1318,7 +1220,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 onKey={this.onKeyDown}
                 onDoubleClick={this.onChildDoubleClickHandler}
                 onBrowseClick={this.onBrowseClickHandler}
-                ScreenToLocalTransform={childLayout.z ? this.getContainerTransform : this.getTransform}
+                ScreenToLocalTransform={childLayout.z ? this.props.ScreenToLocalTransform : this.ScreenToLocalXf}
                 PanelWidth={childLayout[Width]}
                 PanelHeight={childLayout[Height]}
                 childFilters={this.childDocFilters}
@@ -1334,10 +1236,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 pinToPres={this.props.pinToPres}
                 whenChildContentsActiveChanged={this.props.whenChildContentsActiveChanged}
                 docViewPath={this.props.docViewPath}
-                styleProvider={this.getClusterColor}
+                styleProvider={this.clusterStyleProvider}
                 dragAction={(this.rootDoc.childDragAction ?? this.props.childDragAction) as dropActionType}
-                dataProvider={this.childDataProvider}
-                sizeProvider={this.childSizeProvider}
                 bringToFront={this.bringToFront}
                 layout_showTitle={this.props.childlayout_showTitle}
                 dontRegisterView={this.props.dontRegisterView}
@@ -1356,7 +1256,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 return (
                     (this.addDocument?.(
                         (doc instanceof Doc ? [doc] : doc).map(doc => {
-                            const pt = this.getTransform().transformPoint(NumCast(doc.x), NumCast(doc.y));
+                            const pt = this.screenToLocalXf.transformPoint(NumCast(doc.x), NumCast(doc.y));
                             doc.x = pt[0];
                             doc.y = pt[1];
                             return doc;
@@ -1400,9 +1300,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             x: Number.isNaN(NumCast(x)) ? 0 : NumCast(x),
             y: Number.isNaN(NumCast(y)) ? 0 : NumCast(y),
             z: Cast(z, 'number'),
-            rotation: rotation,
+            rotation,
             color: Cast(color, 'string') ? StrCast(color) : this.props.styleProvider?.(childDoc, this.props, StyleProp.Color),
-            backgroundColor: Cast(backgroundColor, 'string') ? StrCast(backgroundColor) : this.getClusterColor(childDoc, this.props, StyleProp.BackgroundColor),
+            backgroundColor: Cast(backgroundColor, 'string') ? StrCast(backgroundColor) : this.clusterStyleProvider(childDoc, this.props, StyleProp.BackgroundColor),
             opacity: !_width ? 0 : this._keyframeEditing ? 1 : Cast(opacity, 'number') ?? this.props.styleProvider?.(childDoc, this.props, StyleProp.Opacity),
             zIndex: Cast(zIndex, 'number'),
             width: _width,
@@ -1466,20 +1366,6 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }.bind(this)
     );
 
-    childPositionProviderUnmemoized = (doc: Doc, replica: string) => this._layoutPoolData.get(doc[Id] + (replica || ''));
-    childDataProvider = computedFn(
-        function childDataProvider(this: any, doc: Doc, replica: string) {
-            return this.childPositionProviderUnmemoized(doc, replica);
-        }.bind(this)
-    );
-
-    childSizeProviderUnmemoized = (doc: Doc, replica: string) => this._layoutSizeData.get(doc[Id] + (replica || ''));
-    childSizeProvider = computedFn(
-        function childSizeProvider(this: any, doc: Doc, replica: string) {
-            return this.childSizeProviderUnmemoized(doc, replica);
-        }.bind(this)
-    );
-
     doEngineLayout(
         poolData: Map<string, PoolData>,
         engine: (poolData: Map<string, PoolData>, pivotDoc: Doc, childPairs: { layout: Doc; data?: Doc }[], panelDim: number[], viewDefsToJSX: (views: ViewDefBounds[]) => ViewDefResult[], engineProps: any) => ViewDefResult[]
@@ -1508,55 +1394,18 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         return { newPool, computedElementData: this.doFreeformLayout(newPool) };
     }
 
-    @observable _numLoaded = 1;
-    _lastPoolSize = 0;
     @action
     doLayoutComputation = (newPool: Map<string, PoolData>, computedElementData: ViewDefResult[]) => {
-        const array = Array.from(newPool.entries());
-        this._lastPoolSize = array.length;
-        for (const entry of array) {
-            const lastPos = this._cachedPool.get(entry[0]); // last computed pos
-            const newPos = entry[1];
-            if (
-                !lastPos ||
-                newPos.color !== lastPos.color ||
-                newPos.backgroundColor !== lastPos.backgroundColor ||
-                newPos.opacity !== lastPos.opacity ||
-                newPos.x !== lastPos.x ||
-                newPos.y !== lastPos.y ||
-                newPos.z !== lastPos.z ||
-                newPos.rotation !== lastPos.rotation ||
-                newPos.zIndex !== lastPos.zIndex ||
-                newPos.transition !== lastPos.transition ||
-                newPos.pointerEvents !== lastPos.pointerEvents
-            ) {
-                this._layoutPoolData.set(entry[0], newPos);
-            }
-            if (!lastPos || newPos.height !== lastPos.height || newPos.width !== lastPos.width) {
-                this._layoutSizeData.set(entry[0], { width: newPos.width, height: newPos.height });
-            }
-        }
-        // by returning undefined, we prevent an edit being made to layoutElements when nothing has happened
-        // this short circuit, prevents lots of downstream mobx invalidations which would have no effect but cause
-        // a distinct lag at the start of dragging.
-        // The reason we're here in the first place without a change is that when dragging a document,
-        // filters are changed on the annotation layers (eg. WebBox) which invalidate the childDoc list
-        // for the overlay views -- however, in many cases, this filter change doesn't actually affect anything
-        // (e.g, no annotations, or only opaque annotations).
-        this._cachedPool.clear();
-        Array.from(newPool.entries()).forEach(k => this._cachedPool.set(k[0], k[1]));
         const elements = computedElementData.slice();
         Array.from(newPool.entries())
             .filter(entry => this.isCurrent(entry[1].pair.layout))
-            .forEach((entry, i) => {
-                const childData: ViewDefBounds = this.childDataProvider(entry[1].pair.layout, entry[1].replica);
-                const childSize = this.childSizeProvider(entry[1].pair.layout, entry[1].replica);
+            .forEach(entry =>
                 elements.push({
                     ele: this.getChildDocView(entry[1]),
-                    bounds: childData.opacity === 0 ? { ...childData, width: 0, height: 0 } : { ...childData, width: childSize.width, height: childSize.height },
+                    bounds: (entry[1].opacity === 0 ? { ...entry[1], width: 0, height: 0 } : { ...entry[1] }) as any,
                     inkMask: BoolCast(entry[1].pair.layout.stroke_isInkMask) ? NumCast(entry[1].pair.layout.opacity, 1) : -1,
-                });
-            });
+                })
+            );
 
         this.Document._freeform_useClusters && !this._clusterSets.length && this.childDocs.length && this.updateClusters(true);
         return elements;
@@ -1586,14 +1435,14 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 this._disposers.groupBounds = reaction(
                     () => {
                         if (this.Document._isGroup && this.childDocs.length === this.childDocList?.length) {
-                            const clist = this.childDocs.map(cd => ({ x: NumCast(cd.x), y: NumCast(cd.y), width: cd[Width](), height: cd[Height]() }));
+                            const clist = this.childDocs.map(cd => ({ x: NumCast(cd.x), y: NumCast(cd.y), width: NumCast(cd._width), height: NumCast(cd._height) }));
                             return aggregateBounds(clist, NumCast(this.layoutDoc._xPadding), NumCast(this.layoutDoc._yPadding));
                         }
                         return undefined;
                     },
                     cbounds => {
                         if (cbounds) {
-                            const c = [NumCast(this.layoutDoc.x) + this.layoutDoc[Width]() / 2, NumCast(this.layoutDoc.y) + this.layoutDoc[Height]() / 2];
+                            const c = [NumCast(this.layoutDoc.x) + NumCast(this.layoutDoc._width) / 2, NumCast(this.layoutDoc.y) + NumCast(this.layoutDoc._height) / 2];
                             const p = [NumCast(this.layoutDoc[this.panXFieldKey]), NumCast(this.layoutDoc[this.panYFieldKey])];
                             const pbounds = {
                                 x: cbounds.x - p[0] + c[0],
@@ -1621,7 +1470,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                             ? 'none'
                             : this.props.childPointerEvents?.() ??
                                   (this.props.viewDefDivClick || //
-                                  (engine === computePassLayout.name && !this.props.isSelected(true)) ||
+                                  (engine === computePassLayout.name && !this.props.isSelected()) ||
                                   this.isContentActive() === false
                                       ? 'none'
                                       : this.props.pointerEvents?.());
@@ -1630,18 +1479,18 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                     { fireImmediately: true }
                 );
 
-                this._disposers.layoutComputation = reaction(
-                    () => this.doInternalLayoutComputation,
-                    ({ newPool, computedElementData }) => (this._layoutElements = this.doLayoutComputation(newPool, computedElementData)),
-                    { fireImmediately: true, name: 'layoutComputationReaction' }
-                );
-
                 this._disposers.active = reaction(
                     () => this.isContentActive(), // if autoreset is on, then whenever the view is selected, it will be restored to it default pan/zoom positions
                     active => !SnappingManager.GetIsDragging() && this.rootDoc[this.autoResetFieldKey] && active && this.resetView()
                 );
             })
         );
+        this._disposers.layoutElements = reaction(
+            // layoutElements can't be a computed value because doLayoutComputation() is an action that has side effect of updating clusters
+            () => this.doInternalLayoutComputation,
+            computation => (this._layoutElements = this.doLayoutComputation(computation.newPool, computation.computedElementData)),
+            { fireImmediately: true }
+        );
     }
 
     static replaceCanvases(oldDiv: HTMLElement, newDiv: HTMLElement) {
@@ -1680,8 +1529,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         CollectionFreeFormView.UpdateIcon(
             this.layoutDoc[Id] + '-icon' + new Date().getTime(),
             this.props.docViewPath().lastElement().ContentDiv!,
-            this.layoutDoc[Width](),
-            this.layoutDoc[Height](),
+            NumCast(this.layoutDoc._width),
+            NumCast(this.layoutDoc._height),
             this.props.PanelWidth(),
             this.props.PanelHeight(),
             0,
@@ -1690,8 +1539,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             '',
             (iconFile, nativeWidth, nativeHeight) => {
                 this.dataDoc.icon = new ImageField(iconFile);
-                this.dataDoc['icon_nativeWidth'] = nativeWidth;
-                this.dataDoc['icon_nativeHeight'] = nativeHeight;
+                this.dataDoc.icon_nativeWidth = nativeWidth;
+                this.dataDoc.icon_nativeHeight = nativeHeight;
             }
         );
 
@@ -1726,6 +1575,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     componentWillUnmount() {
+        this.rootDoc[this.autoResetFieldKey] && this.resetView();
         Object.values(this._disposers).forEach(disposer => disposer?.());
     }
 
@@ -1738,7 +1588,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     promoteCollection = () => {
         const childDocs = this.childDocs.slice();
         childDocs.forEach(doc => {
-            const scr = this.getTransform().inverse().transformPoint(NumCast(doc.x), NumCast(doc.y));
+            const scr = this.screenToLocalXf.inverse().transformPoint(NumCast(doc.x), NumCast(doc.y));
             doc.x = scr?.[0];
             doc.y = scr?.[1];
         });
@@ -1802,20 +1652,16 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             return;
         }
         !Doc.noviceMode && Doc.UserDoc().defaultTextLayout && appearanceItems.push({ description: 'Reset default note style', event: () => (Doc.UserDoc().defaultTextLayout = undefined), icon: 'eye' });
-        appearanceItems.push({ description: `Pin View`, event: () => TabDocView.PinDoc(this.rootDoc, { pinViewport: MarqueeView.CurViewBounds(this.rootDoc, this.props.PanelWidth(), this.props.PanelHeight()) }), icon: 'map-pin' });
+        appearanceItems.push({ description: `Pin View`, event: () => this.props.pinToPres(this.rootDoc, { pinViewport: MarqueeView.CurViewBounds(this.rootDoc, this.props.PanelWidth(), this.props.PanelHeight()) }), icon: 'map-pin' });
         !Doc.noviceMode && appearanceItems.push({ description: `update icon`, event: this.updateIcon, icon: 'compress-arrows-alt' });
         this.props.renderDepth && appearanceItems.push({ description: 'Ungroup collection', event: this.promoteCollection, icon: 'table' });
 
-        this.props.Document._isGroup && this.Document.transcription && appearanceItems.push({ description: 'Ink to text', event: () => this.transcribeStrokes(false), icon: 'font' });
+        this.props.Document._isGroup && this.Document.transcription && appearanceItems.push({ description: 'Ink to text', event: this.transcribeStrokes, icon: 'font' });
 
         !Doc.noviceMode ? appearanceItems.push({ description: 'Arrange contents in grid', event: this.layoutDocsInGrid, icon: 'table' }) : null;
+        !Doc.noviceMode ? appearanceItems.push({ description: (this.Document._freeform_useClusters ? 'Hide' : 'Show') + ' Clusters', event: () => this.updateClusters(!this.Document._freeform_useClusters), icon: 'braille' }) : null;
         !appearance && ContextMenu.Instance.addItem({ description: 'Appearance...', subitems: appearanceItems, icon: 'eye' });
 
-        const viewctrls = ContextMenu.Instance.findByDescription('UI Controls...');
-        const viewCtrlItems = viewctrls && 'subitems' in viewctrls ? viewctrls.subitems : [];
-        !Doc.noviceMode ? viewCtrlItems.push({ description: (this.Document._freeform_useClusters ? 'Hide' : 'Show') + ' Clusters', event: () => this.updateClusters(!this.Document._freeform_useClusters), icon: 'braille' }) : null;
-        !viewctrls && ContextMenu.Instance.addItem({ description: 'UI Controls...', subitems: viewCtrlItems, icon: 'eye' });
-
         const options = ContextMenu.Instance.findByDescription('Options...');
         const optionItems = options && 'subitems' in options ? options.subitems : [];
         !this.props.isAnnotationOverlay &&
@@ -1834,16 +1680,13 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @undoBatch
     @action
-    transcribeStrokes = (math: boolean) => {
+    transcribeStrokes = () => {
         if (this.props.Document._isGroup && this.props.Document.transcription) {
-            if (!math) {
-                const text = StrCast(this.props.Document.transcription);
-
-                const lines = text.split('\n');
-                const height = 30 + 15 * lines.length;
+            const text = StrCast(this.props.Document.transcription);
+            const lines = text.split('\n');
+            const height = 30 + 15 * lines.length;
 
-                this.addDocument(Docs.Create.TextDocument(text, { title: lines[0], x: NumCast(this.layoutDoc.x) + NumCast(this.layoutDoc._width) + 20, y: NumCast(this.layoutDoc.y), _width: 200, _height: height }));
-            }
+            this.addDocument(Docs.Create.TextDocument(text, { title: lines[0], x: NumCast(this.layoutDoc.x) + NumCast(this.layoutDoc._width) + 20, y: NumCast(this.layoutDoc.y), _width: 200, _height: height }));
         }
     };
 
@@ -1853,31 +1696,24 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         SnappingManager.clearSnapLines();
     };
     @action
-    dragStarting = (snapToDraggedDoc: boolean = false, showGroupDragTarget: boolean, visited = new Set<Doc>()) => {
+    dragStarting = (snapToDraggedDoc: boolean = false, showGroupDragTarget: boolean = true, visited = new Set<Doc>()) => {
         if (visited.has(this.rootDoc)) return;
         visited.add(this.rootDoc);
         showGroupDragTarget && (this.GroupChildDrag = BoolCast(this.Document._isGroup));
-        if (this.rootDoc._isGroup && this.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView) {
-            this.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView.dragStarting(snapToDraggedDoc, false, visited);
-        }
         const activeDocs = this.getActiveDocuments();
-        const size = this.getTransform().transformDirection(this.props.PanelWidth(), this.props.PanelHeight());
+        const size = this.screenToLocalXf.transformDirection(this.props.PanelWidth(), this.props.PanelHeight());
         const selRect = { left: this.panX() - size[0] / 2, top: this.panY() - size[1] / 2, width: size[0], height: size[1] };
         const docDims = (doc: Doc) => ({ left: NumCast(doc.x), top: NumCast(doc.y), width: NumCast(doc._width), height: NumCast(doc._height) });
         const isDocInView = (doc: Doc, rect: { left: number; top: number; width: number; height: number }) => intersectRect(docDims(doc), rect);
 
         const snappableDocs = activeDocs.filter(doc => doc.z === undefined && isDocInView(doc, selRect)); // first see if there are any foreground docs to snap to
-        activeDocs.forEach(
-            doc =>
-                doc._isGroup &&
-                SnappingManager.GetIsResizing() !== doc &&
-                !DragManager.docsBeingDragged.includes(doc) &&
-                (DocumentManager.Instance.getDocumentView(doc)?.ComponentView as CollectionFreeFormView)?.dragStarting(snapToDraggedDoc, false, visited)
-        );
+        activeDocs
+            .filter(doc => doc._isGroup && SnappingManager.GetIsResizing() !== doc && !DragManager.docsBeingDragged.includes(doc))
+            .forEach(doc => DocumentManager.Instance.getDocumentView(doc)?.ComponentView?.dragStarting?.(snapToDraggedDoc, false, visited));
 
         const horizLines: number[] = [];
         const vertLines: number[] = [];
-        const invXf = this.getTransform().inverse();
+        const invXf = this.screenToLocalXf.inverse();
         snappableDocs
             .filter(doc => !doc._isGroup && (snapToDraggedDoc || (SnappingManager.GetIsResizing() !== doc && !DragManager.docsBeingDragged.includes(doc))))
             .forEach(doc => {
@@ -1904,15 +1740,16 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         this.childDocs.some(doc => !this._renderCutoffData.get(doc[Id])) && setTimeout(this.incrementalRender, 1);
     });
 
-    get children() {
-        this.incrementalRender();
-        const children = typeof this.props.children === 'function' ? ((this.props.children as any)() as JSX.Element[]) : this.props.children ? [this.props.children] : [];
-        return [...children, ...this.views, <CollectionFreeFormRemoteCursors {...this.props} key="remoteCursors" />];
+    // if a freeform view has any children, then the children will likely consist of a single child
+    // which will be a DocumentView.  In this sitation, this freeform views acts as an annotation overlay for
+    // the underlying DocumentView and will pan and scoll with the underlying Documen tView.
+    @computed get underlayViews() {
+        return this.props.children ? [this.props.children] : [];
     }
 
     @computed get placeholder() {
         return (
-            <div className="collectionfreeformview-placeholder" style={{ background: StrCast(this.Document.backgroundColor) }}>
+            <div className="collectionfreeformview-placeholder" style={{ background: this.props.styleProvider?.(this.Document, this.props, StyleProp.BackgroundColor) }}>
                 <span className="collectionfreeformview-placeholderSpan">{this.props.Document.annotationOn ? '' : this.props.Document.title?.toString()}</span>
             </div>
         );
@@ -1921,7 +1758,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     brushedView = () => this._brushedView;
     gridColor = () =>
         DashColor(lightOrDark(this.props.styleProvider?.(this.layoutDoc, this.props, StyleProp.BackgroundColor)))
-            .fade(0.6)
+            .fade(0.5)
             .toString();
     @computed get backgroundGrid() {
         return (
@@ -1943,16 +1780,19 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         );
     }
     @computed get pannableContents() {
+        this.incrementalRender();
         return (
-            <CollectionFreeFormViewPannableContents
+            <CollectionFreeFormPannableContents
                 rootDoc={this.rootDoc}
                 brushedView={this.brushedView}
                 isAnnotationOverlay={this.isAnnotationOverlay}
-                transform={this.contentTransform}
+                transform={this.PanZoomCenterXf}
                 transition={this._panZoomTransition ? `transform ${this._panZoomTransition}ms` : Cast(this.layoutDoc._viewTransition, 'string', Cast(this.props.DocumentView?.()?.rootDoc._viewTransition, 'string', null))}
                 viewDefDivClick={this.props.viewDefDivClick}>
-                {this.children}
-            </CollectionFreeFormViewPannableContents>
+                {this.underlayViews}
+                {this.contentViews}
+                <CollectionFreeFormRemoteCursors {...this.props} key="remoteCursors" />
+            </CollectionFreeFormPannableContents>
         );
     }
     @computed get marqueeView() {
@@ -1970,8 +1810,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 selectDocuments={this.selectDocuments}
                 addDocument={this.addDocument}
                 addLiveTextDocument={this.addLiveTextBox}
-                getContainerTransform={this.getContainerTransform}
-                getTransform={this.getTransform}
+                getContainerTransform={this.props.ScreenToLocalTransform}
+                getTransform={this.ScreenToLocalXf}
                 panXFieldKey={this.panXFieldKey}
                 panYFieldKey={this.panYFieldKey}
                 isAnnotationOverlay={this.isAnnotationOverlay}>
@@ -1993,17 +1833,14 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     nativeDim = () => this.nativeDimScaling;
 
     @action
-    brushView = (viewport: { width: number; height: number; panX: number; panY: number }, transTime: number) => {
+    brushView = (viewport: { width: number; height: number; panX: number; panY: number }, transTime: number, holdTime: number = 2500) => {
         this._brushtimer1 && clearTimeout(this._brushtimer1);
         this._brushtimer && clearTimeout(this._brushtimer);
         this._brushedView = undefined;
         this._brushtimer1 = setTimeout(
             action(() => {
                 this._brushedView = { ...viewport, panX: viewport.panX - viewport.width / 2, panY: viewport.panY - viewport.height / 2 };
-                this._brushtimer = setTimeout(
-                    action(() => (this._brushedView = undefined)),
-                    2500
-                );
+                this._brushtimer = setTimeout(action(() => (this._brushedView = undefined)), holdTime); // prettier-ignore
             }),
             transTime + 1
         );
@@ -2080,139 +1917,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 }
 
-interface CollectionFreeFormOverlayViewProps {
-    elements: () => ViewDefResult[];
-}
-
-@observer
-class CollectionFreeFormOverlayView extends React.Component<CollectionFreeFormOverlayViewProps> {
-    render() {
-        return this.props
-            .elements()
-            .filter(ele => ele.bounds?.z)
-            .map(ele => ele.ele);
-    }
-}
-
-interface CollectionFreeFormViewPannableContentsProps {
-    rootDoc: Doc;
-    viewDefDivClick?: ScriptField;
-    children?: React.ReactNode | undefined;
-    transition?: string;
-    isAnnotationOverlay: boolean | undefined;
-    transform: () => string;
-    brushedView: () => { panX: number; panY: number; width: number; height: number } | undefined;
-}
-
-@observer
-class CollectionFreeFormViewPannableContents extends React.Component<CollectionFreeFormViewPannableContentsProps> {
-    @computed get presPaths() {
-        return CollectionFreeFormView.ShowPresPaths ? PresBox.Instance.pathLines(this.props.rootDoc) : null;
-    }
-    // rectangle highlight used when following trail/link to a region of a collection that isn't a document
-    showViewport = (viewport: { panX: number; panY: number; width: number; height: number } | undefined) =>
-        !viewport ? null : (
-            <div
-                className="collectionFreeFormView-brushView"
-                style={{
-                    transform: `translate(${viewport.panX}px, ${viewport.panY}px)`,
-                    width: viewport.width,
-                    height: viewport.height,
-                    border: `orange solid ${viewport.width * 0.005}px`,
-                }}
-            />
-        );
-
-    render() {
-        return (
-            <div
-                className={'collectionfreeformview' + (this.props.viewDefDivClick ? '-viewDef' : '-none')}
-                onScroll={e => {
-                    const target = e.target as any;
-                    if (getComputedStyle(target)?.overflow === 'visible') {
-                        target.scrollTop = target.scrollLeft = 0; // if collection is visible, scrolling messes things up since there are no scroll bars
-                    }
-                }}
-                style={{
-                    transform: this.props.transform(),
-                    transition: this.props.transition,
-                    width: this.props.isAnnotationOverlay ? undefined : 0, // if not an overlay, then this will be the size of the collection, but panning and zooming will move it outside the visible border of the collection and make it selectable.  This problem shows up after zooming/panning on a background collection -- you can drag the collection by clicking on apparently empty space outside the collection
-                }}>
-                {this.props.children}
-                {this.presPaths}
-                {this.showViewport(this.props.brushedView())}
-            </div>
-        );
-    }
-}
-
-interface CollectionFreeFormViewBackgroundGridProps {
-    panX: () => number;
-    panY: () => number;
-    PanelWidth: () => number;
-    PanelHeight: () => number;
-    color: () => string;
-    isAnnotationOverlay?: boolean;
-    nativeDimScaling: () => number;
-    zoomScaling: () => number;
-    layoutDoc: Doc;
-    cachedCenteringShiftX: number;
-    cachedCenteringShiftY: number;
-}
 @observer
-class CollectionFreeFormBackgroundGrid extends React.Component<CollectionFreeFormViewBackgroundGridProps> {
-    chooseGridSpace = (gridSpace: number): number => {
-        if (!this.props.zoomScaling()) return gridSpace;
-        const divisions = this.props.PanelWidth() / this.props.zoomScaling() / gridSpace;
-        return divisions < 90 ? gridSpace : this.chooseGridSpace(gridSpace * 2);
-    };
+class CollectionFreeFormOverlayView extends React.Component<{ elements: () => ViewDefResult[] }> {
     render() {
-        const gridSpace = this.chooseGridSpace(NumCast(this.props.layoutDoc['_backgroundGrid-spacing'], 50));
-        const shiftX = (this.props.isAnnotationOverlay ? 0 : (-this.props.panX() % gridSpace) - gridSpace) * this.props.zoomScaling();
-        const shiftY = (this.props.isAnnotationOverlay ? 0 : (-this.props.panY() % gridSpace) - gridSpace) * this.props.zoomScaling();
-        const renderGridSpace = gridSpace * this.props.zoomScaling();
-        const w = this.props.PanelWidth() / this.props.nativeDimScaling() + 2 * renderGridSpace;
-        const h = this.props.PanelHeight() / this.props.nativeDimScaling() + 2 * renderGridSpace;
-        const strokeStyle = this.props.color();
-        return !this.props.nativeDimScaling() ? null : (
-            <canvas
-                className="collectionFreeFormView-grid"
-                width={w}
-                height={h}
-                style={{ transform: `translate(${shiftX}px, ${shiftY}px)` }}
-                ref={el => {
-                    const ctx = el?.getContext('2d');
-                    if (ctx) {
-                        const Cx = this.props.cachedCenteringShiftX % renderGridSpace;
-                        const Cy = this.props.cachedCenteringShiftY % renderGridSpace;
-                        ctx.lineWidth = Math.min(1, Math.max(0.5, this.props.zoomScaling()));
-                        ctx.setLineDash(gridSpace > 50 ? [3, 3] : [1, 5]);
-                        ctx.clearRect(0, 0, w, h);
-                        if (ctx) {
-                            ctx.strokeStyle = strokeStyle;
-                            ctx.fillStyle = strokeStyle;
-                            ctx.beginPath();
-                            if (this.props.zoomScaling() > 1) {
-                                for (let x = Cx - renderGridSpace; x <= w - Cx; x += renderGridSpace) {
-                                    ctx.moveTo(x, Cy - h);
-                                    ctx.lineTo(x, Cy + h);
-                                }
-                                for (let y = Cy - renderGridSpace; y <= h - Cy; y += renderGridSpace) {
-                                    ctx.moveTo(Cx - w, y);
-                                    ctx.lineTo(Cx + w, y);
-                                }
-                            } else {
-                                for (let x = Cx - renderGridSpace; x <= w - Cx; x += renderGridSpace)
-                                    for (let y = Cy - renderGridSpace; y <= h - Cy; y += renderGridSpace) {
-                                        ctx.fillRect(Math.round(x), Math.round(y), 1, 1);
-                                    }
-                            }
-                            ctx.stroke();
-                        }
-                    }
-                }}
-            />
-        );
+        return this.props.elements().filter(ele => ele.bounds?.z).map(ele => ele.ele); // prettier-ignore
     }
 }
 
@@ -2224,13 +1932,13 @@ export function CollectionBrowseClick(dv: DocumentView, clientX: number, clientY
             if (!focused) {
                 const selfFfview = !dv.rootDoc._isGroup && dv.ComponentView instanceof CollectionFreeFormView ? dv.ComponentView : undefined;
                 let containers = dv.props.docViewPath();
-                let parFfview = dv.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView;
+                let parFfview = dv.CollectionFreeFormView;
                 for (var cont of containers) {
-                    parFfview = parFfview ?? cont.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView;
+                    parFfview = parFfview ?? cont.CollectionFreeFormView;
                 }
-                while (parFfview?.rootDoc._isGroup) parFfview = parFfview.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView;
+                while (parFfview?.rootDoc._isGroup) parFfview = parFfview.props.DocumentView?.().CollectionFreeFormView;
                 const ffview = selfFfview && selfFfview.rootDoc[selfFfview.scaleFieldKey] !== 0.5 ? selfFfview : parFfview; // if focus doc is a freeform that is not at it's default 0.5 scale, then zoom out on it.  Otherwise, zoom out on the parent ffview
-                ffview?.zoomSmoothlyAboutPt(ffview.getTransform().transformPoint(clientX, clientY), ffview?.isAnnotationOverlay ? 1 : 0.5, browseTransitionTime);
+                ffview?.zoomSmoothlyAboutPt(ffview.screenToLocalXf.transformPoint(clientX, clientY), ffview?.isAnnotationOverlay ? 1 : 0.5, browseTransitionTime);
                 Doc.linkFollowHighlight(dv?.props.Document, false);
             }
         });
@@ -2260,8 +1968,8 @@ ScriptingGlobals.add(function pinWithView(pinContent: boolean) {
     );
 });
 ScriptingGlobals.add(function bringToFront() {
-    SelectionManager.Views().forEach(view => view.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView.bringToFront(view.rootDoc));
+    SelectionManager.Views().forEach(view => view.CollectionFreeFormView?.bringToFront(view.rootDoc));
 });
 ScriptingGlobals.add(function sendToBack(doc: Doc) {
-    SelectionManager.Views().forEach(view => view.props.CollectionFreeFormDocumentView?.().props.CollectionFreeFormView.bringToFront(view.rootDoc, true));
+    SelectionManager.Views().forEach(view => view.CollectionFreeFormView?.bringToFront(view.rootDoc, true));
 });
-- 
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