Method insertChars

src/common/InputHandler.ts:1381–1393

* CSI Ps @ * Insert Ps (Blank) Character(s) (default = 1) (ICH). * * @vt: #Y CSI ICH "Insert Characters" "CSI Ps @" "Insert `Ps` (blank) characters (default = 1)." * The ICH sequence inserts `Ps` blank characters. The cursor remains at the beginning of the * blank characters. Text

(params: IParams)

   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
   */
  public insertChars(params: IParams): boolean {
    this._restrictCursor();
    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
    if (line) {
      line.insertCells(
        this._activeBuffer.x,
        params.params[0] || 1,
        this._activeBuffer.getNullCell(this._eraseAttrData())
      );
      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
    }
    return true;
  }

  /**
   * CSI Ps P