Merge pull request #4297 from matrix-org/t3chguy/kbd11

Keyboard shortcuts: Escape cancel reply and fix Ctrl+K

src/components/structures/MatrixChat.js

@@ -657,6 +657,7 @@ export default createReactClass({
                     collapseLhs: true,
                 });
                 break;
+            case 'focus_room_filter': // for CtrlOrCmd+K to work by expanding the left panel first
             case 'show_left_panel':
                 this.setState({
                     collapseLhs: false,

src/components/views/rooms/SendMessageComposer.js

@@ -131,8 +131,13 @@ export default class SendMessageComposer extends React.Component {
             this.onVerticalArrow(event, false);
         } else if (this._prepareToEncrypt) {
             this._prepareToEncrypt();
+        } else if (event.key === Key.ESCAPE) {
+            dis.dispatch({
+                action: 'reply_to_event',
+                event: null,
+            });
         }
-    }
+    };
 
     onVerticalArrow(e, up) {
         // arrows from an initial-caret composer navigates recent messages to edit