| Re: Draw widget mouse position error [message #21127] |
Fri, 11 August 2000 00:00  |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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"Oliver Smith" <osmith@dera.gov.uk> writes:
> Hi,
>
> I use a draw widget with motion events turned on, I've noticed that a double
> click event has a different y-position to a single click event. This is
> demonstrable by the code at the bottom of this message. For a double click,
> the events returned give:
> X Y
> Cursor position = 187 110
> Cursor position = 187 110
> Cursor position = 187 111
> Cursor position = 187 110
>
> It is easy to work around the problem by detecting the double click
> (event.clicks = 2) and subtracting 1 from event.y
>
> I can recreate the problem on another computer of almost identical
> specification to my own. I am using IDL 5.3.1 on NT 4. Can anybody recreate
> this bug and on what platforms?
I cannot reproduce this. Are you sure you just aren't moving the
mouse a little when you click?
Craig
IDL> print, !version
{ x86 linux unix 5.2.1 Jun 4 1999}
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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