From 384a6768478765d22c82e1b4cc5b82cdba114ad1 Mon Sep 17 00:00:00 2001
From: ben-lu-uw <69722289+ben-lu-uw@users.noreply.github.com>
Date: Sat, 4 Dec 2021 20:48:27 -0500
Subject: [PATCH] Ctrl arrow decreases pan offset (#601)

* Ctrl arrow decreases pan offset

* Decrease pan increment with ctrl- modifier key

Co-authored-by: Peter Rushforth <peter.rushforth@gmail.com>
---
 src/mapml/keyboard.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mapml/keyboard.js b/src/mapml/keyboard.js
index e6f8c5daf..9304e03b2 100644
--- a/src/mapml/keyboard.js
+++ b/src/mapml/keyboard.js
@@ -1,7 +1,7 @@
 L.Map.Keyboard.include({
     _onKeyDown: function (e) {
 
-        if (e.altKey || e.ctrlKey || e.metaKey) { return; }
+        if (e.altKey || e.metaKey) { return; }
 
         let zoomIn = {
             187: 187,
@@ -27,6 +27,9 @@ L.Map.Keyboard.include({
                 if (e.shiftKey) {
                     offset = L.point(offset).multiplyBy(3);
                 }
+                if (e.ctrlKey) {
+                    offset = L.point(offset).divideBy(5);
+                }
 
                 map.panBy(offset);