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Re: WIDGET_DRAW event.press/release values for mouse wheel events..undocumented? [message #55295 is a reply to message #55293]

Thu, 16 August 2007 07:18

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paul van Delst writes:

> Now, I have one of those mice where the middle "button" is also a wheel. Being a
> fat-fingered type, sometimes when I press the middle button in my apps, I sometimes also
> move the wheel up or down. For those cases the event.press/release values are:
>
> press/release value
> roll up 8
> roll down 16
>
> and the event.type values are still 0 or 1 (for mouse button press and release) even
> though I'm not depressing the wheel/button (event.clicks always remains 0)
>
> Is this behaviour documented anywhere?

I don't think it is documented. I think this is one
of those lovely aberrations of IDL that is always
"discovered," usually in the middle of a critical
demo. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: WIDGET_DRAW event.press/release values for mouse wheel events..undocumented? By: Paul Van Delst[1] on Thu, 16 August 2007 11:30
		Re: WIDGET_DRAW event.press/release values for mouse wheel events..undocumented? By: rclark on Thu, 16 August 2007 10:39
		Re: WIDGET_DRAW event.press/release values for mouse wheel events..undocumented? By: David Fanning on Thu, 16 August 2007 07:18
		Re: WIDGET_DRAW event.press/release values for mouse wheel events..undocumented? By: rclark on Thu, 16 August 2007 12:54

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