From db1137fa0ff489365279ca5c3876adc943e76638 Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Fri, 12 Jul 2019 21:27:33 +1200
Subject: [PATCH 1/2] Use Ctrl to duplicate entities instead of Alt

---
 .../create/entitySelectionTool/entitySelectionTool.js     | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/system/create/entitySelectionTool/entitySelectionTool.js b/scripts/system/create/entitySelectionTool/entitySelectionTool.js
index 9c993d6d73..462b32275a 100644
--- a/scripts/system/create/entitySelectionTool/entitySelectionTool.js
+++ b/scripts/system/create/entitySelectionTool/entitySelectionTool.js
@@ -2039,10 +2039,10 @@ SelectionDisplay = (function() {
                     Vec3.print("    pickResult.intersection", pickResult.intersection);
                 }
 
-                // Duplicate entities if alt is pressed.  This will make a
+                // Duplicate entities if Ctrl is pressed.  This will make a
                 // copy of the selected entities and move the _original_ entities, not
                 // the new ones.
-                if (event.isAlt || doDuplicate) {
+                if (event.isControl || doDuplicate) {
                     duplicatedEntityIDs = SelectionManager.duplicateSelection();
                     var ids = [];
                     for (var i = 0; i < duplicatedEntityIDs.length; ++i) {
@@ -2265,10 +2265,10 @@ SelectionDisplay = (function() {
         addHandleTool(overlay, {
             mode: mode,
             onBegin: function(event, pickRay, pickResult) {
-                // Duplicate entities if alt is pressed.  This will make a
+                // Duplicate entities if Ctrl is pressed.  This will make a
                 // copy of the selected entities and move the _original_ entities, not
                 // the new ones.
-                if (event.isAlt) {
+                if (event.isControl) {
                     duplicatedEntityIDs = SelectionManager.duplicateSelection();
                     var ids = [];
                     for (var i = 0; i < duplicatedEntityIDs.length; ++i) {

From f2d591dbe9b45f3a1297091df7dfe7ebd62a6b5b Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Fri, 12 Jul 2019 21:28:44 +1200
Subject: [PATCH 2/2] Take no action if Alt is pressed at mouse-down

---
 .../system/create/entitySelectionTool/entitySelectionTool.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/system/create/entitySelectionTool/entitySelectionTool.js b/scripts/system/create/entitySelectionTool/entitySelectionTool.js
index 462b32275a..6774c72627 100644
--- a/scripts/system/create/entitySelectionTool/entitySelectionTool.js
+++ b/scripts/system/create/entitySelectionTool/entitySelectionTool.js
@@ -1118,6 +1118,11 @@ SelectionDisplay = (function() {
             return false;
         }
 
+        // No action if the Alt key is pressed.
+        if (event.isAlt) {
+            return;
+        }
+
         var pickRay = generalComputePickRay(event.x, event.y);
         // TODO_Case6491:  Move this out to setup just to make it once
         var interactiveOverlays = getMainTabletIDs();