Re: gtk_color_selection_dialog fails (fwd)

[Mathew Yeates <mathew fugue jpl nasa gov>]

Thanks for the input Owen.
Your comments about libpixmap are pretty disheartening. Avoiding the
use of this library means I won't be able to use any pixmap themes in my app.

Mathew

> 
> Mathew Yeates <mathew fugue jpl nasa gov> writes:
> 
> > Hi
> > Using gtk 1.2.8 I get an error when I run testgtk and bring up a color 
> > selection dialog.
> > I get 
> > Gdk-ERROR **: BadMatch (invalid parameter attributes)
> >   serial 1835 error_code 8 request_code 62 minor_code 0
> > 
> > This only happens when I have my .gtkrc set up to use the libpixmap  engine. 
> > After
> > looking at the code for gtkrgb.c, I saw comments that suggested that multiple 
> > contexts
> > are not supported. Maybe thats why its crashing?
> > 
> > Any way around this?
> 
> Not really. The problem is probably that you have an 8/24 display,
> GTK+ is using the default 8-bpp visual, but imlib is trying
> to use the 24 bpp visual.
> 
> (Selective use of gtk_widget_push_colormap/visual() can help, but
> without linking your app to imlib, there is no real way of knowing
> what visual/colormap imlib is using. You could guess that it is the
> same as the gdk_rgb_get_cmap(),gdk_rgb_get_visual() - that will
> frequently, but not always be true.)
> 
> The pixmap engine should be avoided for serious work. It broken in a
> lot of ways.
> 
> Regads,
>                                         Owen