Re: Getting the Current Theme's Colors

On Fri, Sep 21, 2007 at 11:09:18AM +1000, Matthew Allen wrote:
> Hi,
> I'm integrating Lgi, a xlib based application framework, with the Gnome 
> desktop. And I want to be able to make an Lgi application sensitive to 
> the current theme's fonts and colors so that is blends in with the Gnome 
> desktop.
> I've worked out how to query for the right system font to use. But I'm 
> having a lot of trouble getting information about how to retrieve the 
> theme's color scheme. I think I need to use gtk_style_lookup_color or 
> maybe the color-hash property of the GtkStyle object. But I can't find 
> any example code and the documentation is too brief. For instance 
> gtk_style_lookup_color has a string parameter "color_name", but 
> absolutely no description of what possible values you might be able to 
> pass into it. The sorts of colors I need are the selection bg/fg color, 
> text fg/bg, application workspace etc.

If you have access to the GtkStyle object, you might as well use the
GdkColor arrays in the struct directly. For example,
style->base[GTK_STATE_SELECTED] will give you the background colour for
selected text in an entry widget.

Symbolic colour schemes are a relatively new addition to GTK+, so I
would avoid using them directly. It is much safer to use the bg/fg and
base/text arrays to get colour information from the theme.



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