From d673f413be59cb6f8f81c0575b3d8c1bb54a1d03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Weber?= <mail@soeren-weber.de>
Date: Tue, 9 Nov 2021 21:07:22 +0100
Subject: [PATCH] mermaid: add visual hints for pan/zoom #143

---
 static/css/theme.css             |  8 +++++++-
 static/js/jquery.svg.pan.zoom.js | 10 ++++++----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/static/css/theme.css b/static/css/theme.css
index cf37788d14..b9136bc865 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -1074,10 +1074,16 @@ option {
     margin-top: 1.7rem;
 }
 
-.mermaid svg {
+.mermaid > svg {
+    border: 1px solid transparent;
+    cursor: pointer;
     /* remove inline height from generated diagram */
     height: initial !important;
 }
+.mermaid > svg:hover {
+    border-color: #ccc;
+}
+
 
 .include.hide-first-heading h1:first-of-type,
 .include.hide-first-heading h2:first-of-type,
diff --git a/static/js/jquery.svg.pan.zoom.js b/static/js/jquery.svg.pan.zoom.js
index b78ac3cab7..bd6a10c449 100644
--- a/static/js/jquery.svg.pan.zoom.js
+++ b/static/js/jquery.svg.pan.zoom.js
@@ -1,7 +1,9 @@
 // Generated by CoffeeScript 1.10.0
 
 /*
-jQuery SVG Pan Zoom v1.0.2, June 2015
+Base: jQuery SVG Pan Zoom v1.0.3, October 2015 (labeled v1.0.2, June 2015)
+McShelby.hugo-theme-relearn:
+Change 1: OnMouseUp restore image cursor (not document cursor)
 
 Author: Daniel Hoffmann Bernardes (daniel.hoffmann.bernardes@gmail.com)
 
@@ -579,9 +581,9 @@ Copyright (C) 2014 Daniel Hoffmann Bernardes, Ícaro Technologies
           initialViewBox = $.extend({}, viewBox);
           $body = $(window.document.body);
           domBody = $body[0];
-          oldCursor = $body.css("cursor");
+          oldCursor = this.$svg.css("cursor");
           if (this.events.dragCursor != null) {
-            $body.css("cursor", this.events.dragCursor);
+            this.$svg.css("cursor", this.events.dragCursor);
           }
           mouseMoveCallback = (function(ev2) {
             var currentMousePosition, initialMousePosition;
@@ -607,7 +609,7 @@ Copyright (C) 2014 Daniel Hoffmann Bernardes, Ícaro Technologies
             domBody.removeEventListener("touchcancel", mouseUpCallback, true);
             domBody.removeEventListener("mouseout", mouseUpCallback, true);
             if (this.events.dragCursor != null) {
-              $body.css("cursor", oldCursor);
+              this.$svg.css("cursor", oldCursor);
             }
             dragStarted = false;
           }).bind(opts);