Re: Repainting/Redrawing widgets

["A B" <alvinbeach hotmail com>]

I tried adding:

gtk_widget_draw(widget, NULL);

But that seems to not work.

Is there anyway of updating the widgets from a pthread? Or perhaps should I 
be using GTK Threads?

-------
Alvin Beach
Email: alvinbeach hotmail com
Website: http://www.vianet.ca/~abeach




> From: "A B" <alvinbeach hotmail com>
> To: gtk-app-devel-list gnome org
> Subject: Repainting/Redrawing widgets
> Date: Thu, 27 Mar 2003 18:41:45 -0500
>
> Hello everyone,
>
> I have been messing around with GTK+ 2.0. In the application that I am 
> creating, I have a GtkDialog. In that dialog I have a GtkProgressBar. Now, 
> I'm sure you have all guessed my problem by now ;). The actual work is 
> being done in a pthread. Inside that pthread I am making it update the 
> value of the GtkProgressBar. Unfortunately, this update is not being drawn? 
> If I move the mouse over the GtkDialog then the GtkProgressBar displays the 
> "new" value.
>
> I have been experimenting with different ways of getting it to update. From 
> what I understand is that the main GTK loop handles the redrawing. 
> Therefore, when the value is changed, it wont be displayed until the main 
> loop gets to it. I have tried the:
>
> while(gtk_events_pending())
>   gtk_main_iteration();
>
> but I get the following error:
>
> GLib-WARNING **: g_main_context_prepare(): main loop already active in 
> another thread
>
> Does anyone know of a way around this?
>
> -------
> Alvin Beach
> Email: alvinbeach hotmail com
> Website: http://www.vianet.ca/~abeach
>
>
>
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