Method actionFromKeyEvent

pages/vomnibar_page.js:152–184

(event)

  // support the arrow keys and various other shortcuts, and this function hides the event-decoding
  // complexity.
  actionFromKeyEvent(event) {
    const key = KeyboardUtils.getKeyChar(event);
    // Handle <Enter> on "keypress", and other events on "keydown". This avoids interence with CJK
    // translation (see #2915 and #2934).
    if ((event.type === "keypress") && (key !== "enter")) return null;
    if ((event.type === "keydown") && (key === "enter")) return null;
    if (KeyboardUtils.isEscape(event)) {
      return "dismiss";
    } else if (
      (key === "up") ||
      (event.shiftKey && (event.key === "Tab")) ||
      (event.ctrlKey && ((key === "k") || (key === "p")))
    ) {
      return "up";
    } else if ((event.key === "Tab") && !event.shiftKey) {
      return "tab";
    } else if (
      (key === "down") ||
      (event.ctrlKey && ((key === "j") || (key === "n")))
    ) {
      return "down";
    } else if (event.ctrlKey && (key === "enter")) {
      return "ctrl-enter";
    } else if (event.key === "Enter") {
      return "enter";
    } else if ((event.key === "Delete") && event.shiftKey && !event.ctrlKey && !event.altKey) {
      return "remove";
    } else if (KeyboardUtils.isBackspace(event)) {
      return "delete";
    }

    return null;
  }

  async onKeyEvent(event) {
    const action = this.actionFromKeyEvent(event);