From d8bb0894ce986329c55837e32591bcf5b9f8ed4b Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 12 Feb 2021 18:01:34 -0500
Subject: set max zoom in for lightbox/linkfollowing.  fixed rendering artifact
 where PDFs in layer behind lightbox get drawn on top of lightbox when zoomed
 in far enough

---
 src/client/views/GestureOverlay.scss                                   | 1 +
 .../views/collections/collectionFreeForm/CollectionFreeFormView.tsx    | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/client/views/GestureOverlay.scss b/src/client/views/GestureOverlay.scss
index c9d78890e..16a4c74d1 100644
--- a/src/client/views/GestureOverlay.scss
+++ b/src/client/views/GestureOverlay.scss
@@ -5,6 +5,7 @@
     top: 0;
     left: 0;
     touch-action: none;
+    z-index: -1;
 
     .pointerBubbles {
         width: 100%;
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 7aecf12b0..eb99702a1 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -967,7 +967,8 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         const bounds = { left: pt[0], right: pt2[0], top: pt[1], bot: pt2[1] };
 
         if (scale) {
-            this.Document[this.scaleFieldKey] = scale * Math.min(this.props.PanelWidth() / Math.abs(pt2[0] - pt[0]), this.props.PanelHeight() / Math.abs(pt2[1] - pt[1]));
+            const maxZoom = 2; // sets the limit for how far we will zoom. this is useful for preventing small text boxes from filling the screen. So probably needs to be more sophisticated to consider more about the target and context
+            this.Document[this.scaleFieldKey] = Math.min(maxZoom, scale * Math.min(this.props.PanelWidth() / Math.abs(pt2[0] - pt[0]), this.props.PanelHeight() / Math.abs(pt2[1] - pt[1])));
             return { px: (bounds.left + bounds.right) / 2, py: (bounds.top + bounds.bot) / 2 };
         } else {
             const cx = NumCast(this.layoutDoc._panX);
-- 
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