Re: How to run single instance of a window?

["Ricky Foo" <blue_pion hotmail com>]

Another way is to grey out the button when the window is created and restore 
it when the window is destroyed.

 Ricky

> Since the index has to be a global variable anyways, why not make the
> window a global instead.
>
> It starts out as NULL.  Connect the 'destroy' or 'delete_event' signal to
> a function that sets the window back to NULL after destroying it.
>
> Then, before creating a new window, check if the window is NULL.
>
> You would have to do all this anyways for the index variable.  This
> approach allows you to have one less variable in exchange for making the
> window global, instead of index.
>
> Daniel.
>
> On Thu, 8 Aug 2002, Ricky Foo wrote:
>
> > what I normally do is that you create a index, assigns 1 or 0 to it 
> based on
> > the current state of the window. it should work out fine.
> >
> > Ricky
> >
> >
> > >Hi all,
> > >
> > >I have  a simple problem. I want to have a single instance of a window,
> > >i.e, Suppose I create any window
> > >on clicking a button, now when I click the same button again it should
> > >not create the another instance of
> > >the popup window (as it is already there). Any idea how to achieve 
> this?
> > >
> > >Thanks in advance.
> > >
> > >Rahul.
> >
> >
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