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Re: widget_control and event generation [message #53391]

Sun, 15 April 2007 17:52

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

pdoherty writes:

> It's as if the system thinks I have clicked on one of the tabs even
> though all I have done is selected a new tab using widget_control.

On closer inspection, this looks like what does in fact happen.
When I switch to a new tab programmatically with WIDGET_CONTROL
I *do* get a tab widget event in the event handler.

I guess this makes sense because I would like to know
when I switch to another window, generally, so I can
update the window contents, etc.

I do notice in my example, at least, I can suppress
the tab event if I do something like this:

widget_control, widget, set_tab_current=7
widget_control, widget, /clear_events

I thought I might need a short wait between commands,
so I didn't clear the stack before the event was placed
on it, but at least on my machine, it doesn't appear to
be needed.

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_control and event generation By: David Fanning on Sun, 15 April 2007 17:52
		Re: widget_control and event generation By: pdoherty on Sun, 15 April 2007 12:43
		Re: widget_control and event generation By: David Fanning on Sun, 15 April 2007 13:15
		Re: widget_control and event generation By: pdoherty on Sun, 15 April 2007 21:00

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