[Mono-winforms-list] Concerns about system colors?

[Rolf Bjarne Kvinge]

> -----Original Message-----
> From: mono-winforms-list-bounces at lists.ximian.com [mailto:mono-
> winforms-list-bounces at lists.ximian.com] On Behalf Of Maser, Dan
> Sent: viernes, 20 de abril de 2007 22:27
> To: mono-winforms-list at lists.ximian.com
> Subject: [Mono-winforms-list] Concerns about system colors?
> 
> 
> 
>  I wonder if I should raise concerns about the System colors in mono?
> What I'm seeing is a little strange.  My app code uses System colors
> for everything and looks as expected in Win32 but on linux mono it
> doesn't look natural.  But it's not as clear what it *should* look
> like either.
> 
>  The colors for most apps are set in the /usr/lib/X11/app-defaults
> directory per application I suppose.  So for example I see gnome
> terminal windows that are black-on-white and highlight text
> white-on-black.  I have standard xterms that are black-on-grey and
> highlight white-on-black. Both of these seem normal because the two
> colors have a high contrast.  However, my mono app has black-on-grey
> (which is ok) but highlights white-on-gray.  The white-on-grey
> highlight looks pretty bad for two reasons: the white-on-grey isn't a
> high enough contrast plus the highlight background and non-highlight
> background are both grey which doesn't clearly indicate what's
> highlighted.
> 
>  Sorry for the long-winded explanation.  I guess what I'm wondering
> foremost is if there's an some /usr/lib/X11/app-defaults resources
> file I can specify that will set the system colors I like?  If not,
> can someone explain where the system colors come from?
> 
>  In case it helps my app draws its window as
>   not highlighted: SystemColors.WindowText on SystemColors.Window
>   highlighted:     SystemColors.HighlightText on SystemColors.Highlight
> 
> 
>  I see that there's some colors hard coded into
> mcs/class/System.Drawing/System.Drawing/KnownColors.cs.  The relevant
> colors for my case are:
> 
> Window        FF FF FF   (this is black-on-white)
> WindowText    00 00 00
> 
> Highlight     31 6A C5   (this is white-on-bluish)
> HighlightText FF FF FF

I get these exact numbers on my machine (OpenSuse 10.2 with Gnome), however
the Highlight color is changed within the method "ReadKDEColorsheme()" in
System.Windows.Forms/X11DesktopColors.cs, you might want to have a look at
that code (seems to be taking the color info from the file
.kde/share/config/kdeglobals)

Rolf


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