How can one specifically capture the KeyboardEvent "Ctrl + C" without capturing just the individual KeyboardEvent "C"?

My code includes a @HostListener that is listening for document:keydown events as shown below:

@HostListener('document:keydown', ['$event'])
selectHandler(event: KeyboardEvent) {
  switch (event.key) {
    case 'n':
      this.useNode();
      break;
    case 'c':
      this.useConnector();
      break;
    case 'd':
      this.useDefault();
      break;
    case 'g':
      this.useGrip();
      break;
    default:
      break;
  }
}

An issue arises when I try to use the Copy operation with Ctrl + C, as it triggers the case 'c' in my code. How can I distinguish between pressing "Ctrl + C" alone and just "C"?

Answer №1

Within the KeyboardEvent, there is a key property called KeyboardEvent.ctrlKey The link to more information can be accessed here.

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