Function renderToDrawlist

packages/core/src/renderer/renderToDrawlist.ts:25–87

(params: RenderToDrawlistParams)

 * for the focused input widget.
 */
export function renderToDrawlist(params: RenderToDrawlistParams): void {
  const theme = params.theme ?? defaultTheme;
  const tick =
    typeof params.tick === "number" && Number.isFinite(params.tick) && params.tick >= 0
      ? Math.trunc(params.tick)
      : 0;
  // Clear the framebuffer each frame to a deterministic base style so terminals
  // with non-black defaults don't leak through when the UI doesn't explicitly
  // paint every cell.
  params.builder.clearTo(params.viewport.cols, params.viewport.rows, DEFAULT_BASE_STYLE);

  const layoutIndex = params.layoutIndex ?? indexLayoutRects(params.layout, params.tree);
  const idRectIndex = params.idRectIndex ?? indexIdRects(params.tree, layoutIndex);

  /* Deterministic order: traverse the committed instance tree. */
  const resolvedCursor = renderTree(
    params.builder,
    params.focusState,
    params.layout,
    idRectIndex,
    params.viewport,
    theme,
    tick,
    DEFAULT_BASE_STYLE,
    params.tree,
    params.animatedRectByInstanceId,
    params.animatedOpacityByInstanceId,
    params.cursorInfo,
    params.virtualListStore,
    params.tableStore,
    params.treeStore,
    params.loadedTreeChildrenById,
    params.commandPaletteItemsById,
    params.commandPaletteLoadingById,
    params.toolApprovalFocusedActionById,
    params.dropdownSelectedIndexById,
    params.dropdownWindowStartById,
    params.diffViewerFocusedHunkById,
    params.diffViewerExpandedHunksById,
    params.tableRenderCacheById,
    params.logsConsoleRenderCacheById,
    params.diffRenderCacheById,
    params.codeEditorRenderCacheById,
    params.focusAnnouncement,
    undefined,
    params.terminalProfile,
    params.pressedId ?? null,
  );

  /* Cursor protocol: emit SET_CURSOR for focused input */
  if (resolvedCursor) {
    params.builder.setCursor({
      x: resolvedCursor.x,
      y: resolvedCursor.y,
      shape: resolvedCursor.shape,
      visible: true,
      blink: resolvedCursor.blink,
    });