no-scroll-over-iframe-non-pywwt.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example of scrolling sort of working over iframe"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This notebook shows how to start up the WorldWide Telescope Jupyter widget, and how to subsequently modify its properties. You can find out more about using pywwt in the [documentation](http://pywwt.readthedocs.io).\n",
    "\n",
    "We start off by importing the ``WWTJupyterWidget`` class:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pywwt.jupyter import WWTJupyterWidget\n",
    "from ipywidgets import HBox, IntSlider, HTML\n",
    "from ipyevents import Event\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We then use this class to create the widget (note that the second ``wwt`` is needed to actually show the contents of the widget):"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "scrolled": false
   },
   "outputs": [],
   "source": [
    "# wwt = WWTJupyterWidget()\n",
    "\n",
    "html = \"\"\"\n",
    "<iframe src='http://physics.mnstate.edu'></iframe>\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Scrolling is suppressed *except* over iframe\n",
    "\n",
    "Anything on or inside the red border has scrolling of the outer page suppressed except the wwt widget."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "dcea472e3d5444909afe0d7fc151e245",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "HBox(children=(HTML(value=\"\\n<iframe src='http://physics.mnstate.edu'></iframe>\\n\"), IntSlider(value=0)), layo…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "s = IntSlider()\n",
    "hb = HBox()\n",
    "h = HTML(html)\n",
    "hb.children = [h, s]\n",
    "hb.layout.border = \"2px solid red\"\n",
    "hb.layout.padding = \"20px\"\n",
    "\n",
    "e = Event()\n",
    "e.source = hb\n",
    "e.watched_events = ['wheel']\n",
    "\n",
    "hb"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Though you can scroll a lot further in an \"infinite scroll\" site like skittles.com\n",
    "\n",
    "(I got there by googling infinite scroll, not because I love skittles)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "h.value = \"\"\"\n",
    "<iframe src='http://skittles.com/'></iframe>\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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