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From: dshr@eng.sun.COM (David Rosenthal)
Newsgroups: comp.windows.x
Subject: Re: Warping the pointer and social behaviour
Message-ID: <9103172130.AA14439@devnull.Eng.Sun.COM>
Date: 17 Mar 91 21:25:37 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 18

> I have some image display code that runs from an xterm, but creates an
> image display in a window of its own. If the user asks for a cursor display
> (by typing "cursor" to the xterm, in which resides the pointer) the pointer
> is warped to the image window and cursor mode is activated; when the cursor
> is no longer desired the pointer is warped back to where it started. No
> server grabs are needed.
> 
It sounds to me like you are assuming "focus-follows-cursor" mode.
Because your window has the input focus is no reason to believe
that the pointer is in the window.

Besides,  a user interface that depends on the user typing into an
xterm isn't taking full advantage of the capabilities of X.  I think
if you designed a real X user interface you would discover no need
for pointer warping.  For example,  why don't I get a cursor display
simply by moving the cursor into the image window.  Saves typing :-)

	David.