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<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Control interactive plot point events — clickOpts • shiny</title><!-- favicons --><link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png"><link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png"><link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png"><link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png"><link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png"><link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png"><!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script><!-- Bootstrap --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous"><script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script><!-- bootstrap-toc --><link rel="stylesheet" href="../bootstrap-toc.css"><script src="../bootstrap-toc.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="../pkgdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Control interactive plot point events — clickOpts"><meta property="og:description" content="These functions give control over the click, dblClick and
hover events generated by imageOutput() and plotOutput()."><meta property="og:image" content="/logo.png"><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]>
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<h1>Control interactive plot point events</h1>
<small class="dont-index">Source: <a href="https://github.com/rstudio/shiny/blob/HEAD/R/image-interact-opts.R" class="external-link"><code>R/image-interact-opts.R</code></a></small>
<div class="hidden name"><code>clickOpts.Rd</code></div>
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<div class="ref-description">
<p>These functions give control over the <code>click</code>, <code>dblClick</code> and
<code>hover</code> events generated by <code><a href="plotOutput.html">imageOutput()</a></code> and <code><a href="plotOutput.html">plotOutput()</a></code>.</p>
</div>
<div id="ref-usage">
<div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">clickOpts</span><span class="op">(</span><span class="va">id</span>, clip <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">dblclickOpts</span><span class="op">(</span><span class="va">id</span>, clip <span class="op">=</span> <span class="cn">TRUE</span>, delay <span class="op">=</span> <span class="fl">400</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">hoverOpts</span><span class="op">(</span></span>
<span> <span class="va">id</span>,</span>
<span> delay <span class="op">=</span> <span class="fl">300</span>,</span>
<span> delayType <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"debounce"</span>, <span class="st">"throttle"</span><span class="op">)</span>,</span>
<span> clip <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span> nullOutside <span class="op">=</span> <span class="cn">TRUE</span></span>
<span><span class="op">)</span></span></code></pre></div>
</div>
<div id="arguments">
<h2>Arguments</h2>
<dl><dt>id</dt>
<dd><p>Input value name. For example, if the value is <code>"plot_click"</code>,
then the event data will be available as <code>input$plot_click</code>.</p></dd>
<dt>clip</dt>
<dd><p>Should the click area be clipped to the plotting area? If
<code>FALSE</code>, then the server will receive click events even when the mouse is
outside the plotting area, as long as it is still inside the image.</p></dd>
<dt>delay</dt>
<dd><p>For <code>dblClickOpts()</code>: the maximum delay (in ms) between a
pair clicks for them to be counted as a double-click.</p>
<p>For <code>hoverOpts()</code>: how long to delay (in ms) when debouncing or throttling
before sending the mouse location to the server.</p></dd>
<dt>delayType</dt>
<dd><p>The type of algorithm for limiting the number of hover
events. Use <code>"throttle"</code> to limit the number of hover events to one
every <code>delay</code> milliseconds. Use <code>"debounce"</code> to suspend events
while the cursor is moving, and wait until the cursor has been at rest for
<code>delay</code> milliseconds before sending an event.</p></dd>
<dt>nullOutside</dt>
<dd><p>If <code>TRUE</code> (the default), the value will be set to
<code>NULL</code> when the mouse exits the plotting area. If <code>FALSE</code>, the
value will stop changing when the cursor exits the plotting area.</p></dd>
</dl></div>
<div id="see-also">
<h2>See also</h2>
<div class="dont-index"><p><code><a href="brushOpts.html">brushOpts()</a></code> for brushing events.</p></div>
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<p></p><p>Developed by Winston Chang, Joe Cheng, JJ Allaire, Carson Sievert, Barret Schloerke, Yihui Xie, Jeff Allen, Jonathan McPherson, Alan Dipert, Barbara Borges.</p>
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