Function applyGalleryColumns

public/js/fileListView.js:5709–5725

(cols)

}

function applyGalleryColumns(cols) {
  const clamped = clampGalleryColumns(cols);
  window.galleryColumns = clamped;
  localStorage.setItem("galleryColumns", clamped);

  const grid = document.querySelector(".gallery-container");
  if (grid) {
    grid.style.gridTemplateColumns = `repeat(${clamped},minmax(0,1fr))`;
  }
  document.querySelectorAll(".gallery-thumbnail")
    .forEach(img => img.style.maxHeight = getMaxImageHeight() + "px");

  const val = document.getElementById("galleryColumnsValue");
  if (val) val.textContent = clamped;

  return clamped;
}

let viewOptionsPopover = null;
let viewOptionsAnchor = null;