Re: [Java-gnome-developer] ButtonPressEvent not working ...

[Thura <thu...@gm...>]

On Wed, Sep 23, 2009 at 6:21 PM, Andrew Cowie <
an...@op...> wrote:

> On Wed, 2009-09-23 at 08:37 -0400, Thura wrote:
> > But, when it runs, the context menu doesn't show up ...
> > I have tried replacing ButtonPressEvent with KeyPressEvent, it
> > works ...
>
> You've been bitten by the well known beginner's pitfall
>
>        "my example is so trivial that not everything that would be
>        present in a real application is there, so things that would
>        normally work fine appear not to be working at all"
>
> In this case, you've not got enough packed into your top level Window to
> make it behave. In fact, you haven't got _anything_ packed into your top
> level Container. So, really, it's not that surprising that not
> everything is working.
>
> Quick solution:
>
> Pack an EventBox into your top level Window and connect your
> Widget.ButtonPressEvent handler to that instead. I tried it, works fine.
>
> Underlying issue:
>
> Ordinarily you don't have to think about this as normal GTK Widgets take
> care of this, but your problem was that the underlying GDK Window
> backing the GTK Window hasn't been setup to react to mouse events. There
> are a few branches floating around with different suggestions about how
> to offer direct access to that API, but you don't need any of that; just
> add an EventBox - it's there to give Widgets that don't have event
> handling (ie, Labels) events.
>
> AfC
> Sydney
>
>
>
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>
Thanks for the tip, it works now ;)

Thura