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Re: no drag events in cw_fslider or widget_slider [message #45521 is a reply to message #45520]

Mon, 12 September 2005 16:27

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

jbattat@cfa.harvard.edu writes:

> I find that I do not get events when dragging the slider bar in either
> a widget_slider or a cw_fslider widget despite setting the /DRAG flag.
> I am using IDL 5.4 on Windows XP.
>
> For both widgets, I do get events if I:
> (1) click in the scroll bar
> (2) click the right or left arrows at the ends of the scroll bar
> (3) release the mouse after dragging the slider
>
> Incidentally, in the cw_fslider widget, the slider does not move when I
> click the left or right scroll arrows on the slider (this is not the
> case in the widget_slider widget).
>
> I just ran the same code on a UNIX machine and I DO see continuous
> events while dragging (using both cw_fslider and widget_slider). So it
> may be a problem or incorrect setting on my Windows system. Is there a
> setting that needs to be updated in Windows for drag events to work?
>
> Any advice out there on how to ensure that I get continuous events as
> the slider is dragged?

I think your only option is to write a nice letter
to Mr Gates. Windows just don't do it! :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: no drag events in cw_fslider or widget_slider By: Haje Korth on Tue, 13 September 2005 10:10
		Re: no drag events in cw_fslider or widget_slider By: David Fanning on Tue, 13 September 2005 08:52
		Re: no drag events in cw_fslider or widget_slider By: jbattat on Mon, 12 September 2005 16:46
		Re: no drag events in cw_fslider or widget_slider By: David Fanning on Mon, 12 September 2005 16:27

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