2 files changed, 9 insertions, 3 deletions
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 9d738180b..88000ecbd 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -460,7 +460,7 @@ export class DocumentViewInternal extends DocComponent<DocumentViewInternalProps
         // after  a timeout, the right _componentView should have been created, so call it to update its view spec values
         setTimeout(() => this._componentView?.setViewSpec?.(anchor, LinkDocPreview.LinkInfo ? true : false));
         const focusSpeed = this._componentView?.scrollFocus?.(anchor, !options?.instant || !LinkDocPreview.LinkInfo); // bcz: smooth parameter should really be passed into focus() instead of inferred here
-        const endFocus = focusSpeed === undefined ? options?.afterFocus : async (moved: boolean) => options?.afterFocus ? options?.afterFocus(true) : ViewAdjustment.doNothing;
+        const endFocus = focusSpeed === undefined ? options?.afterFocus : async (moved: boolean) => options?.afterFocus ? options?.afterFocus(moved) : ViewAdjustment.doNothing;
         this.props.focus(options?.docTransform ? anchor : this.rootDoc, {
             ...options, afterFocus: (didFocus: boolean) =>
                 new Promise<ViewAdjustment>(res => setTimeout(async () => res(endFocus ? await endFocus(didFocus) : ViewAdjustment.doNothing), focusSpeed ?? 0))
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 23749d479..b556b0ef1 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -157,8 +157,14 @@ export class PDFBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProps
     });
     public prevAnnotation = () => this._pdfViewer?.prevAnnotation();
     public nextAnnotation = () => this._pdfViewer?.nextAnnotation();
-    public backPage = () => { this.Document._curPage = (NumCast(this.Document._curPage) || 1) - 1; return true; };
-    public forwardPage = () => { this.Document._curPage = (NumCast(this.Document._curPage) || 1) + 1; return true; };
+    public backPage = () => {
+        this.Document._curPage = Math.max(1, (NumCast(this.Document._curPage) || 1) - 1);
+        return true;
+    };
+    public forwardPage = () => {
+        this.Document._curPage = Math.min(NumCast(this.dataDoc[this.props.fieldKey + "-numPages"]), (NumCast(this.Document._curPage) || 1) + 1);
+        return true;
+    };
     public gotoPage = (p: number) => this.Document._curPage = p;
 
     @undoBatch