Allow the thickness of the bar cursor to be configured

src/browser/renderer/BaseRenderLayer.ts

@@ -171,11 +171,11 @@ export abstract class BaseRenderLayer implements IRenderLayer {
    * @param x The column to fill.
    * @param y The row to fill.
    */
-  protected _fillLeftLineAtCell(x: number, y: number): void {
+  protected _fillLeftLineAtCell(x: number, y: number, width: number = 1): void {
     this._ctx.fillRect(
         x * this._scaledCellWidth,
         y * this._scaledCellHeight,
-        window.devicePixelRatio,
+        window.devicePixelRatio * width,
         this._scaledCellHeight);
   }
 

src/browser/renderer/CursorRenderLayer.ts

@@ -209,7 +209,7 @@ export class CursorRenderLayer extends BaseRenderLayer {
   private _renderBarCursor(x: number, y: number, cell: ICellData): void {
     this._ctx.save();
     this._ctx.fillStyle = this._colors.cursor.css;
-    this._fillLeftLineAtCell(x, y);
+    this._fillLeftLineAtCell(x, y, this._optionsService.options.cursorBarWidth);
     this._ctx.restore();
   }