implement hitting enter after Ctrl-K should switch to the first result

src/components/structures/LeftPanel.js

@@ -93,6 +93,13 @@ var LeftPanel = React.createClass({
  this._onMoveFocus(false);
  handled = true;
  break;
+ case KeyCode.ENTER:
+ this._onMoveFocus(false);
+ if (this.focusedElement) {
+ this.focusedElement.click();
+ }
+ handled = true;
+ break;
  }
 
  if (handled) {
@@ -102,37 +109,33 @@ var LeftPanel = React.createClass({
  },
 
  _onMoveFocus: function(up) {
- var element = this.focusedElement;
+ let element = this.focusedElement;
 
  // unclear why this isn't needed
  // var descending = (up == this.focusDirection) ? this.focusDescending : !this.focusDescending;
  // this.focusDirection = up;
 
- var descending = false; // are we currently descending or ascending through the DOM tree?
- var classes;
+ let descending = false; // are we currently descending or ascending through the DOM tree?
+ let classes;
 
  do {
- var child = up ? element.lastElementChild : element.firstElementChild;
- var sibling = up ? element.previousElementSibling : element.nextElementSibling;
+ const child = up ? element.lastElementChild : element.firstElementChild;
+ const sibling = up ? element.previousElementSibling : element.nextElementSibling;
 
  if (descending) {
  if (child) {
  element = child;
- }
- else if (sibling) {
+ } else if (sibling) {
  element = sibling;
- }
- else {
+ } else {
  descending = false;
  element = element.parentElement;
  }
- }
- else {
+ } else {
  if (sibling) {
  element = sibling;
  descending = true;
- }
- else {
+ } else {
  element = element.parentElement;
  }
  }
@@ -144,8 +147,7 @@ var LeftPanel = React.createClass({
  descending = true;
  }
  }
-
- } while(element && !(
+ } while (element && !(
  classes.contains("mx_RoomTile") ||
  classes.contains("mx_SearchBox_search") ||
  classes.contains("mx_RoomSubList_ellipsis")));