Ticket #27521: 27521.17.diff

src/wp-admin/js/theme.js

@@ -756 +756 @@
                         $( 'body' )
                                 .addClass( 'theme-installer-active full-overlay-active' )
                                 .on( 'keyup.overlay', function( event ) {
-                                        // Pressing the escape key closes the preview
+                                        // The escape key closes the preview
                                         if ( event.keyCode === 27 ) {
                                                 self.close();
                                         }
+                                        // The right arrow key, next theme
+                                        if ( event.keyCode === 39 ) {
+                                                self.nextTheme();
+                                        }
+
+                                        // The left arrow key, previous theme
+                                        if ( event.keyCode === 37 ) {
+                                                self.previousTheme();
+                                        }
                                 });
                         $( '.close-full-overlay' ).focus();
                 });