Method _onkeydown

packages/main/src/Select.ts:682–708

(e: KeyboardEvent)

	}

	_onkeydown(e: KeyboardEvent) {
		const isTab = (isTabNext(e) || isTabPrevious(e));

		if (isTab && this._isPickerOpen) {
			this.responsivePopover.open = false;
		} else if (isShow(e)) {
			e.preventDefault();
			this._toggleRespPopover();
		} else if (isSpace(e)) {
			e.preventDefault();
		} else if (isEscape(e) && this._isPickerOpen) {
			this._escapePressed = true;
		} else if (isHome(e)) {
			this._handleHomeKey(e);
		} else if (isEnd(e)) {
			this._handleEndKey(e);
		// When focus is on the list item, Enter triggers _handleItemPress via the List item-click
		// event, which already calls _handleSelectionChange and prevents default.
		// Skip here to avoid a double selection change.
		} else if (isEnter(e) && !e.defaultPrevented) {
			this._handleSelectionChange();
		} else if (isUp(e) || isDown(e)) {
			this._handleArrowNavigation(e);
		} else if (isPrintableCharacter(e)) {
			this._handleKeyboardNavigation(e);
		}
	}

	_handleKeyboardNavigation(e: KeyboardEvent) {
		if (this.readonly) {