Function onscrollleft

src/lib/editorManager.js:2593–2609

* Handles the scroll left event. * Updates the horizontal scroll value and renders the horizontal scrollbar.

()

	 * Updates the horizontal scroll value and renders the horizontal scrollbar.
	 */
	function onscrollleft() {
		if (appSettings.value.textWrap) {
			$hScrollbar.hide();
			return;
		}
		const scroller = editor?.scrollDOM;
		if (!scroller) return;
		const maxScroll = Math.max(scroller.scrollWidth - scroller.clientWidth, 0);
		if (maxScroll <= 0) {
			$hScrollbar.hide();
			lastScrollLeft = 0;
			$hScrollbar.value = 0;
			return;
		}
		setHScrollValue();
		$hScrollbar.render();
	}

	function readScrollMetrics() {
		const scroller = editor?.scrollDOM;