Re: Colors

[Przemysław Sitek <psitek rams pl>]

Dnia 2005-09-03 18:39, Liam R E Quin napisał:
> On Sat, 2005-09-03 at 11:08 +0200, Przemysław Sitek wrote:
>
>
> >    I am writing a widget that draws a custom background under its 
> > child. I do this by subclassing GtkEventBox (since it has its own 
> > window) and overwriting expose virtual method. How can I get background 
> > color (or base color) ina a "selected" state (I want background to be 
> > drawn in that color).
>
>
> Not an answer (sorry) but a caution --
> * make sure that a user whose theme has white text on a black background
>   can still read your widget's text.
> * make sure that a user who needs reduced contrast is not presented
>   with black and white, but the appropriate greys.
> * remember to handle the case that the window is partially obscured
>   and loses focus

   I know this - that's why I'm asking how to obtain colors from
current theme. I want to "invert colors" - thus I decided to use colors
normally used for selected widgets (selected text, selected row in a
treeview).

> Having said all that, it sounds like really you could just use the
> widget's style.

   That's what my question is about:-)

> But do ask yourself why you are doing this.  If it's to draw the
> user's attention to something maybe it should be an alert box.  If
> it's for decoration, better not to do it :-)  If it's for displaying
> a colour swatch, there's already a widget for that.

   It'll be some kind of a decoration:-)

--
  Przemysław Sitek