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From: mouse@LARRY.MCRCIM.MCGILL.EDU (der Mouse)
Newsgroups: comp.windows.x
Subject: Re:  hypertext highlighting behavior?
Message-ID: <9007140504.AA02620@Larry.McRCIM.McGill.EDU>
Date: 14 Jul 90 05:04:28 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 28

> Suppose I've got a text editor and I want the text under the cursor
> to highlight as the user moves the cursor within the text editor
> window, WITHOUT the user having to first press a mouse button or
> keyboard key.

> Is this possible?

Certainly.  There's no technical reason why it can't be done.

> Using InputOnly windows, one per highlightable piece of text, would
> be one solution [...].

> Another approach would be to somehow get mouse motion events within a
> window without a mouse button or keyboard key being pressed.
> Whenever I've gotten mouse motion events in the past, they've always
> been preceded by a mouse button down event, so I'm unsure if this can
> be done.

Certainly.  Just select for PointerMotionMask or PointerMotionHintMask.
You should get MotionNotify events.  (Don't try to use motion hints if
you're not quite sure what you're doing; make it work the other way
first.  Motion hint events are much better in many circumstances, but
can be confusing at first.)

					der Mouse

			old: mcgill-vision!mouse
			new: mouse@larry.mcrcim.mcgill.edu