Re: refreshing a drawing area when a spinbutton is used.

[Tristan Van Berkom <vantr touchtunes com>]

I think its at the GtkWidget level
(GTK_WIDGET(drawingarea))

something like gtk_widget_queue_draw()
and than your widget will recieve a signal
(expose ?) in the next g_main_loop itteration.


Chris Garrett wrote:
> Hi,
>
> I have created a GtkWindow, with a horizontal box in it.  In the first cell
> of the box, there is a drawing area containing one pixbuf.  In the second
> cell there is a spinbutton.
>
> The pixbuf is to be used as a brush (This window is a preview of the brush),
> the size of which is dictated by the spinbutton.
>
> I have successfully connected a signal to the spin button so that the brush
> size is changed and the pixbuf is redrawn appropriately.  However, I cannot
> seem to get the drawing area to refresh.
>
> The expose event on the drawing area is working fine - I can move the window
> behind another, and when I bring it back to the front, the new brush is
> shown.  I need it to do this as soon as a value is changed on the
> spinbutton, however.
>
> How do I get the spinbutton to generate an expose event or tell the drawing
> area to refresh itself?
>
> Best regards,
>
> Chris.
>
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