fixed invalidations to not trigger creating new refs when ref= was assigned to an anonymous function. fixed scribble erase to not delete everything it overlaps, just things it intersects with or contains. fixed ink to have a Math mode and fixed math recognition myscript calls.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/client/views/LightboxView.tsx b/src/client/views/LightboxView.tsx
index 0eb21b943..62b1180ec 100644
--- a/src/client/views/LightboxView.tsx
+++ b/src/client/views/LightboxView.tsx
@@ -244,6 +244,7 @@ export class LightboxView extends ObservableReactComponent<LightboxViewProps> {
             </div>
         </div>
     );
+    setStickerRef = (r: StickerPalette | null) => (this._annoPaletteView = r);
     render() {
         let downx = 0;
         let downy = 0;
@@ -317,7 +318,7 @@ export class LightboxView extends ObservableReactComponent<LightboxViewProps> {
                             </GestureOverlay>
                         </div>
 
-                        {this._showPalette && <StickerPalette ref={r => (this._annoPaletteView = r)} Doc={DocCast(Doc.UserDoc().myLightboxDrawings)} />}
+                        {this._showPalette && DocCast(Doc.UserDoc().myLightboxDrawings) && <StickerPalette ref={this.setStickerRef} Doc={DocCast(Doc.UserDoc().myLightboxDrawings)!} />}
                         {this.renderNavBtn(0, undefined, this._props.PanelHeight / 2 - 12.5, 'chevron-left', this._doc && this._history.length ? true : false, this.previous)}
                         {this.renderNavBtn(
                             this._props.PanelWidth - Math.min(this._props.PanelWidth / 4, this._props.maxBorder[0]),