Re: gtk_databox_ruler

[Scott Smedinghoff <schmeds fnal gov>]

gtk_databox_get_ruler_x returns a pointer to the GtkDataboxRuler type. 
So if you want to use it as a widget, you're going to have to cast it to 
a widget at some point. Either declare ruler as a *GtkDataboxRuler and use

gtk_widget_modify_bg(GTK_WIDGET(ruler), GTK_STATE_NORMAL, &color);

or declare ruler as a *GtkWidget and then use

ruler = GTK_WIDGET(gtk_databox_get_ruler_x(GTK_DATABOX(box));

Either solution will work fine. You can always use an object as any of 
its inherited types, but you have to cast it.

-Scott

Michael Steinbauer wrote:
> Hi Scott,
>
>   
> > Use gtk_databox_get_ruler_x (or y for the other ruler) to get the ruler, 
> > then use gtk_widget_modify_bg to modify the background color and 
> > gtk_widget_modify_fg to modify the text color.
> >     
>
>
> I got the ruler like this:
>
> GtkDataboxRuler *ruler;
> .
> .
> .
> ruler = gtk_databox_get_ruler_x(GTK_DATABOX(box));
>
> // but it's not working, because ruler is a wrong pointer typ for
>
> gtk_widget_modify_bg(ruler, GTK_STATE_NORMAL, &color);
>
> Then I tried to make a GtkWidget *ruler, but then there is not o.k. for ...get_ruler function. Do you know the solution for this problem?
>
> Thanks a lot,
>
> Michael
>
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