Re: button event release

["Jonathan Winterflood" <jonathan winterflood gmail com>]

No problem :)

Just out of curiosity, sockets on a bluetooth interface are no different
than on ethernet or wifi, I imagine ?

Jonathan

On 5/23/07, Bluezapper <enigma_enu yahoo com> wrote:
> Hi Jonathan,
>
> Thanks for the reply. This was my first post in this forum as I joined the
> forum today and I am happy to get a reply as in the past months I was asking
> questions in gtk and gnome forums with a single or no reply at all.
>
> I will surely look into the archive now. Actually, I am dealing with
> Bluetooth sockets in this case,
>
> best regards,
>
> Bluezapper.
>
> Jonathan Winterflood <jonathan winterflood gmail com> wrote: Hi,
>
> There's been some talk about threads in the last couple of weeks on this
> list, you should be able to lift them from the archive if you just
> subscribed.
>
> An easy alternative to threads in this case would  be to connect the
> socket to a GIOChannel, and have the gtk main loop deal with the data
> asynchronously: the button will release immediately and the data will get
> processed when it gets back.
>
>   A friend and I did this in a program we developped recently, using the
> gnet library (a glib based library for portable network communication), but
> you might not need that.
>
> _very_ crudely:
>    gnet_tcp_socket_connect_async(adress, port,
> &(_socketConnectAsyncCallback),this); // on the button clic
>
> void _socketConnectAsyncCallback(GTcpSocket
> *socket,GTcpSocketConnectAsyncS tatus status, gpointer data)  is called when
> the connection is established (or fails to)
> then get the channel: _channel = gnet_tcp_socket_get_io_channel(socket);
> register data arrival handler: g_io_add_watch(_channel, G_IO_IN,
> &(_imageDataReadyForReading), this);
> send your request: gnet_io_channel_write_%something
> gboolean _imageDataReadyForReading(GIOChannel *, GIOCondition, gpointer
> data) is called when some data arrives
>
> Voilà
>
> Hope it helps,
> Jonathan
>
>
> On 5/23/07, Bluezapper <enigma_enu yahoo com > wrote:   Hello all,
>
> I have a question about button release event. I have a GTK_PANE window.
>
> When I press the button I open a socket connection and get back some data
> from it. Since the opening of socket and getting the data back takes some
> time I want to display some status messages to the user in a text_view which
> is added to the lower Pane.
>
> My problem is until the button releases my whole application freezes
> and  text_view gets updated after release.
>
> How do I start two threads in Gtk so that one thread opens the socket and
> other thread updates the text_view.
>
> Thanks for having the patience to read my long complete email,
>
> regards,
>
> Bluezapper.
>
>
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