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Re: Mouse Lock

From: Adam Barth <w3c@adambarth.com>
Date: Mon, 20 Jun 2011 16:53:21 -0700
Message-ID: <BANLkTik41XTE3dLBNA=opwc4r3jOj0C9uQ@mail.gmail.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: Olli@pettay.fi, Jonas Sicking <jonas@sicking.cc>, Vincent Scheib <scheib@google.com>, Brandon Andrews <warcraftthreeft@sbcglobal.net>, "Gregg Tavares (wrk)" <gman@google.com>, Glenn Maynard <glenn@zewt.org>, Charles Pritchard <chuck@jumis.com>, Kenneth Russell <kbr@google.com>, robert@ocallahan.org, public-webapps@w3.org
On Mon, Jun 20, 2011 at 3:30 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
> On Mon, Jun 20, 2011 at 3:26 PM, Olli Pettay <Olli.Pettay@helsinki.fi> wrote:
>> On 06/21/2011 01:08 AM, Tab Atkins Jr. wrote:
>>> On Mon, Jun 20, 2011 at 3:03 PM, Olli Pettay<Olli.Pettay@helsinki.fi>
>>>  wrote:
>>>> On 06/21/2011 12:25 AM, Tab Atkins Jr. wrote:
>>>>> The use-case is non-fullscreen games and similar, where you'd prefer
>>>>> to lock the mouse as soon as the user clicks into the game.  Minecraft
>>>>> is the first example that pops into my head that works like this -
>>>>> it's windowed, and mouselocks you as soon as you click at it.
>>>>
>>>> And how would user unlock when some evil sites locks the mouse?
>>>> Could you give some concrete example about
>>>> " It's probably also useful to instruct the user how to release the
>>>> lock."
>>>
>>> I'm assuming that the browser reserves some logical key (like Esc) for
>>> releasing things like this, and communicates this in the overlay
>>> message.
>>
>> And what if the web page moves focus to some browser window, so that ESC
>> is fired there? Or what if the web page moves the window to be outside the
>> screen so that user can't actually see the message how to
>> unlock mouse?
>
> How is a webpage able to do either of those things?

window.focus()

Adam
Received on Monday, 20 June 2011 23:54:27 GMT

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