| Re: explicit redraw does nothing until expose(?) event - IDLitComponent propertysheets [message #39122 is a reply to message #39120] |
Wed, 21 April 2004 12:27  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Sean Dettrick writes:
> I've got an object window with a bunch of plots on it. I popup a
> WIDGET_PROPERTYSHEET to change the properties of my IDLgrLegend
> (registered with IDLitComponent), and it works nicely, but the actual
> graphic is never redrawn unless I move my legend around with the
> mouse, or drag my popup window over the top of the draw window.
>
> So I add a Re-Draw button to my pop-up property sheet, in the hope
> that I can force a draw manually (I make sure it has access to the
> right IDLgrWindow and IDLgrView objects). Clicking on my Re-Draw
> button multiple times does nothing, until I either click on the legend
> or drag the popup over the draw window. Then all my queued Re-Draw
> events execute one after the other.
>
> What's happening? Is there a way to get my redraw event processed
> immediately? Why doesn't the thing process the event until I expose
> or interact with the draw widget?
What happens if you remove the FLOATING keyword from
the pop-up? Sounds like a semi-modal widget problem to
me. I wonder if the FLOATING keyword has something to
do with that?
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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