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Editorial Team
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Asked: 2026-06-04T15:12:29+00:00

I’m trying to write an Eclipse plugin that displays some information as an HTML

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I’m trying to write an Eclipse plugin that displays some information as an HTML page. For this I want to use SWT Browser widget. The problem is that when I set browser’s content via setText, nth-child selectors do not work, but when I set the exact same content via setUrl("file://..., they work correctly. Why the rendering is different and how can I achieve the same rendering with setText as with setUrl?

I’m creating the Browser with SWT.NONE, since I do not want to force users to install Safari or Firefox.

This is the HTML where the problem is reproducible:

<!doctype html><html><head>
<style type="text/css">
    div:nth-child(2n) { background-color: #f00; }
</style>
</head><body>
    <div>1</div>
    <div>2</div>
    <div>3</div>
</body></html>
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1 Answer

  1. Editorial Team

    Having used the browser’s setText() method extensively, I’ve not seen any behavior like what you’re describing.

    Is it possible that this is a local intranet quirks-mode / compatibility mode issue? IE defaults its rendering engine differently based on the source of the content – and, by default, it behaves differently when rendering intranet content versus internet content (and content on your local filesystem is treated as intranet content.) That’s my recollection anyway, all I remember for sure is that there’s a fair amount of voodoo unless you explicitly set the compatibility header.

    Does adding the following meta tag change the behavior?

    <meta http-equiv="X-UA-Compatible" content="IE=9" />

    Also, do you have an appropriate DOCTYPE defined in the HTML you’re adding with setText()?

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