Ticket #28846: 28846.patch

src/wp-admin/js/wp-fullscreen.js

@@ -696 +696 @@
                 }
         };
 
+        // Bind the open/close keyboard shortcut when focus is outside of the Visual editor
+        $( window ).on( 'keydown.wp-fullscreen-shortcut', function( event ) {
+                if ( event.altKey && event.shiftKey && event.keyCode === 87 ) { // 87 is for W
+                        if ( api.settings.visible ) {
+                                api.off();
+                        } else {
+                                api.on();
+                        }
+                }
+        });
+
         // Export
         window.wp = window.wp || {};
         window.wp.editor = window.wp.editor || {};