Currently only the delete key can be used to dismiss notifications.
Some laptops don't have delete keys, resulting in needing to hit a
modifier to trigger delete.
Plus, on those keyboards that do have delete keys they're often a
little harder to strike than backspace.
https://gitlab.gnome.org/gnome/gnome-shell/-/issues/5789
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2435>
let keysym = event.get_key_symbol();
if (keysym === Clutter.KEY_Delete ||
- keysym === Clutter.KEY_KP_Delete) {
+ keysym === Clutter.KEY_KP_Delete ||
+ keysym === Clutter.KEY_BackSpace) {
if (this.canClose()) {
this.close();
return Clutter.EVENT_STOP;