handleKeyDown method
Implementation
void handleKeyDown(KeyEvent event, FluentDocument document) {
this.document = document;
if (handleBackspaceKey(event)) return;
if (handleDeleteKey(event)) return;
if (handleMetaActions(event)) return;
if (handleEnterKey(event)) return;
if (handleTabKey(event)) return;
if (handleArrowKeys(event)) return;
if (handleHomeKey(event)) return;
if (handleEndKey(event)) return;
if (handlePageUpKey(event)) return;
if (handlePageDownKey(event)) return;
handleCharacterInput(event);
}