Re: 'refreshing' a widget

[G Hasse <gh raditex se>]

On Tue, 17 Sep 2002, Dave Cunningham wrote:

> Hi,
>
> I'm writing a program where widgets are altered by a thread other than
> the main gtk loop. (The thread reads a joystick device, and sleeps until
> a button is pressed).

First. You don't need a thread. Use "gdk_input_add" to watch for
data on the file descriptor.

> I find that the display is never updated until something happens in the
> main loop, and presumable an expose event is emitted or something.

You can emit signals to widgets yourself. Look for a suitable
method.

It is quite easy to write your own widget. We have written a lot of
them and if you give me a hint we might have someting that you
easy could modify.

http://www.raditex.se/bilder/process1.png

Göran Hasse

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