Re: how to make sure a drawing area honors style changes

[Tim Evans <t evans aranz com>]

Melvin Hadasht wrote:
> Hi,
>
> I use GtkDrawingArea to display some text by using a set of
> PangoLayouts.
>
> The text should change if user changes the default style.
> I did not manage to achieve that: the PangoLayouts are
> always using the "Sans 10" default font description.
>
> The drawing area is inside a class inherited from a table (I
> call it xtable for further reference)
>
> Here is how the drawing is made:
>
> 1. when the GtkDrawingArea is created (not yet realized),
> a set of pango layouts are created by using
> gtk_widget_create_pango_layout()

Try either waiting until the GtkDrawingArea is realized or calling 
gtk_widget_ensure_style on it before creating the layouts.

> What should I do to have the drawing area respond to style
> changes?

I'm not sure how to handle style changes.  Are you rememdering to redraw 
the GtkDrawingArea after recreating the layouts?  I think that 
gtk_widget_queue_draw will do this.

--
Tim Evans
Applied Research Associates NZ
http://www.aranz.com/