Merge pull request #13560 from adobe/petetnt/fix-ctrl-space

Fix CTRL+Space handling while the CodeHintList is open, fixes #13481

Author: swmitra

src/editor/CodeHintList.js

@@ -326,8 +326,9 @@ define(function (require, exports, module) {
      * Convert keydown events into hint list navigation actions.
      *
      * @param {KeyBoardEvent} keyEvent
+     * @param {bool} isFakeKeydown - True if faked key down call (for example calling CTRL+Space while hints are open)
      */
-    CodeHintList.prototype._keydownHook = function (event) {
+    CodeHintList.prototype._keydownHook = function (event, isFakeKeydown) {
         var keyCode,
             self = this;
 
@@ -389,13 +390,13 @@ define(function (require, exports, module) {
         }
 
         // (page) up, (page) down, enter and tab key are handled by the list
-        if (event.type === "keydown" && this.isHandlingKeyCode(event)) {
+        if ((event.type === "keydown" || isFakeKeydown) && this.isHandlingKeyCode(event)) {
             keyCode = event.keyCode;
 
             if (event.keyCode === KeyEvent.DOM_VK_ESCAPE) {
                 event.stopImmediatePropagation();
                 this.handleClose();
-
+                
                 return false;
             } else if (event.shiftKey &&
                     (event.keyCode === KeyEvent.DOM_VK_UP ||
@@ -517,9 +518,7 @@ define(function (require, exports, module) {
      * @param {KeyBoardEvent} keyEvent
      */
     CodeHintList.prototype.callMoveUp = function (event) {
-        delete event.type;
-        event.type = "keydown";
-        this._keydownHook(event);
+        this._keydownHook(event, true);
     };
     /**
      * Closes the hint list