Function updateScrollbarsFromMetrics

src/lib/editorManager.js:2624–2664

(metrics)

	}

	function updateScrollbarsFromMetrics(metrics) {
		if (!metrics) return;

		const maxScrollTop = Math.max(
			metrics.scrollHeight - metrics.clientHeight,
			0,
		);
		if (maxScrollTop <= 0) {
			$vScrollbar.hide();
			lastScrollTop = 0;
			$vScrollbar.value = 0;
		} else {
			if (!preventScrollbarV && metrics.scrollTop !== lastScrollTop) {
				lastScrollTop = metrics.scrollTop;
				$vScrollbar.value = clamp01(metrics.scrollTop / maxScrollTop);
			}
			$vScrollbar.render();
		}

		if (appSettings.value.textWrap) {
			$hScrollbar.hide();
			return;
		}

		const maxScrollLeft = Math.max(
			metrics.scrollWidth - metrics.clientWidth,
			0,
		);
		if (maxScrollLeft <= 0) {
			$hScrollbar.hide();
			lastScrollLeft = 0;
			$hScrollbar.value = 0;
			return;
		}

		if (!preventScrollbarH && metrics.scrollLeft !== lastScrollLeft) {
			lastScrollLeft = metrics.scrollLeft;
			$hScrollbar.value = clamp01(metrics.scrollLeft / maxScrollLeft);
		}
		$hScrollbar.render();
	}

	/**
	 * Sets scrollbars value based on the editor's scroll position.