@novnc/novnc/lib/util/element.js

An HTML5 VNC client

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.clientToElement = clientToElement;
/*
 * noVNC: HTML5 VNC client
 * Copyright (C) 2020 The noVNC authors
 * Licensed under MPL 2.0 (see LICENSE.txt)
 *
 * See README.md for usage and integration instructions.
 */

/*
 * HTML element utility functions
 */

function clientToElement(x, y, elem) {
  var bounds = elem.getBoundingClientRect();
  var pos = {
    x: 0,
    y: 0
  };
  // Clip to target bounds
  if (x < bounds.left) {
    pos.x = 0;
  } else if (x >= bounds.right) {
    pos.x = bounds.width - 1;
  } else {
    pos.x = x - bounds.left;
  }
  if (y < bounds.top) {
    pos.y = 0;
  } else if (y >= bounds.bottom) {
    pos.y = bounds.height - 1;
  } else {
    pos.y = y - bounds.top;
  }
  return pos;
}