Re: force drawing area expose on button click

[Scott Rubin <slr2777 cs rit edu>]

Oh wow, I feel dumb.  I had my

gtk_drawing_area_new();

below the

g_signal_connect_after();

Thanks, it works great now. 


Tristan Van Berkom wrote:

> Scott Rubin wrote:
> > Ok, I tried doing that before.  It doesn't work.  I get a runtime
> > error.  Apparently the pointers act funny and the functions doesn't
> > believe that it's actually a Widget.
> > (oglbb:7399): Gtk-CRITICAL **: file gtkwidget.c: line 2176
> > (gtk_widget_queue_draw): assertion `GTK_IS_WIDGET (widget)' failed
>
>
> So when you make this call:
> >>        g_signal_connect (G_OBJECT (button), "clicked",
> >>                          G_CALLBACK (redraw), drawing_area);
>
> does `drawing_area' point to a GtkWidget
> (that is already created at this point) ?
>
> Maybe an isolated piece of code that reproduces this could be of help ?
>
> Cheers,
>                 -Tristan