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Re: realizing nonmodal widgets



I believe that the XREGISTERED() function may be what you are looking
for.
If you put a line like this at the start of your INPUT routine,

IF XREGISTERD( "INPUT" ) THEN RETURN

If an input window already exists, it will be brought to the front of
the desktop.


reardonb@my-deja.com wrote:
> 
> Hi all!
> I have a TLB widget that contains a widget button called INPUT.  When
> INPUT is pressed a non modal dialog widget pops up on the screen to
> allow the user to input some data values.  Currently, if you press the
> INPUT widget button on the TLB a second time, then a second INPUT dialog
> widget opens up.  This is not what I want.  I would like IDL to bring
> the input widget to the foreground if it is already realized and if it
> is not, then I want IDL to realize it.  What is the most efficient or
> elegant way of doing this?  My na´ve understanding is that I will have
> to use widget_info to determine if the widget has been realized and
> then, if so, somehow bring it to the foreground with widget_control but
> I am not sure.


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