Re: gtk_widget_set_style() and themes

[Vlad Harchev <hvv hippo ru>]

On Wed, 2 Aug 2000, Omar Barneto wrote:

> Thank you Vlad. The problem is as follows: I change the color for two states in
> only one button. The rest of the buttons remain with their original theme
> appearance. I would like that this button keeps its original appearance for the
> other states, but instead it seems that  all the states of the button get the
> colors changed. Those states for which I did not set the color apparently get
> default colors. The theme dissapears in all the states. It looks like in the
> sequence get_syle - modify style - set_style the theme is lost (but only in this
> button). The question is how to avoid this and keep the original theme, at least
> for the states for which I do not set new colors?

 Please post a piece of code you use. Also, you didn't answer - do
you run pixmap-based theme? Does your code works as expected if default gtk 
theme is used (i.e. light gray widgets with black text)?
 
> Best regards,
> 
> Omar.
> 
> Vlad Harchev wrote:
> 
> > On Tue, 1 Aug 2000, Omar Barneto wrote:
> >
> > > How can I change a button's selected and prelight color and keep the
> > > original theme appearance for the normal color? What I'm doing is use
> > > gtk_widget_get_style(), set the two colors on the style and then
> > > gtk_widget_set_style(). When I do that, the three colors are apparently
> > > set and the theme appearance is lost. I'm running under Enlightenment. I
> >
> >   You write that you set two colors, and then your write that 3 colors are
> > set... The fact that you're running under E doesn't matter.
> >
> >   Do you mean that all buttons in your app changed the color or what? If yes,
> >   you should use gtk_style_copy and modify the returned style. Also note, that
> >   some themes use pixmaps for drawing widgets, so even if you've chnaged the
> >   color in some states, appearance of the widget won't change (try your code
> >   with brushedmetal theme for example).
> >
> > > found a few probably related functions like gtk_theme_engine_get() etc.,
> > > but couldn't find any documentation on them. Is there any documentation
> > > or examples available about how to use this themes API?
> >
> >   I don't know about documentation on this - but you can look at the gtk
> > source and at the source of some theme engines (namely pixmap).
> >
> >   You cna also modify gtkrc for your application (you can name the buttons
> > using gtk_widget_set_name and then bind particular style in your gtkrc to the
> > widgets with that name), and then load modified gtkrc using
> > gtk_rc_set_default_files or gtk_rc_add_default_file.
> >
> > > Thank you and regards,
> > >
> > > Omar.
> > >

 Best regards,
  -Vlad