Re: How to make a button look like a treeview column title? [Was: How to use the treeview column title style for a button?]

[Bastiaan Veelo <bastiaan sarc nl>]

Kristian Rietveld wrote:
> On Mon, Oct 08, 2007 at 03:53:29PM +0200, Bastiaan Veelo wrote:
>   
> > > Something like this seems to work for me:
> > >
> > >   button = gtk_button_new_with_label ("...");
> > >   style = gtk_rc_get_style_by_paths (gtk_widget_get_settings (button),
> > >                                      "*.GtkTreeView.GtkButton",
> > >                                      NULL,
> > >                                      G_OBJECT_TYPE (button));
> > >   gtk_widget_set_style (button, style);
> > >
> > >   
> > >       
> > Thank you for replying. However, for me the above has no visible effect. 
> > Now I understand that a GtkStyle is just about colors and similar 
> > settings, which only partly determine the looks of a widget. In my case 
> > I suspect that a GtkTreeView.GtkButton has the same GtkStyle settings as 
> > ordinary buttons, which is why I see no change.
> >     
>
> By default it does have the same settings, but in multiple themes it
> does not.
>
>   
> > I recently discovered that there is something called a theme engine, and 
> > I guess I need to trick the theme engine into thinking that it is 
> > drawing a GtkTreeView button. Is there a way to do that? If the method 
> > would be engine-dependent, I need it to work on MS Windows.
> >     
>
> That is exactly what the code above tries to achieve.  I briefly looked
> at the Windows theme source code and figured that it does things a little
> different than the theme engine I first looked at.  Does using:
>
>   style = gtk_rc_get_style_by_paths (gtk_widget_get_settings (button),
>                                      "*.GtkTreeView.GtkButton",
>                                      "*.GtkTreeView.GtkButton",
>                                      G_OBJECT_TYPE (button));
>
> instead of the call to gtk_rc_get_style_by_paths() posted earlier have
> any effect?
>   

No, it does not. Could it be that the style is overwritten as per 
http://library.gnome.org/devel/gtk/stable/GtkWidget.html#gtk-widget-set-style?

Bastiaan.