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Re: [PATCH 2/2] avoid: ignore mouse when it is hidden

From: Julien Danjou
Subject: Re: [PATCH 2/2] avoid: ignore mouse when it is hidden
Date: Mon, 18 Oct 2010 16:47:27 +0200
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux)

On Mon, Oct 18 2010, Stefan Monnier wrote:

> Just wondering here: seeing how you've gone through the trouble to write
> a patch for the C code, there must be a good reason, but why check (not
> (frame-pointer-visible-p)) rather than make-pointer-invisible?

There is a good reason! `make-pointer-invisible' is useful, but not
enough: it only makes the cursor invisible when type text.

So if your pointer is visible and you are moving your cursor in a
buffer, the pointer does not become invisible. Therefore, mouse-avoidance
can be useful in such a case.

On the opposite, if you typed text, your cursor is invisible. If you
start moving the cursor, it might encounter the pointer which is already
invisible. But since mouse-avoidance does not know it is invisible, it
makes it jump, even if it's useless.

Julien Danjou
// ᐰ <address@hidden>   http://julien.danjou.info

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