code: function move_mouse(x, y) {
          guac_touchscreen.currentState.fromClientPosition(element, x, y);
          if (guac_touchscreen.onmousemove)
              guac_touchscreen.onmousemove(guac_touchscreen.currentState);
      }
docs: Moves the mouse to the given coordinates. These coordinates must be
  relative to the browser window, as they will be translated based on
  the touch event target's location within the browser window.
  
  @private
  @param {Number} x The X coordinate of the mouse pointer.
  @param {Number} y The Y coordinate of the mouse pointer.