Re: [foxboro] Sanity check on Go Global

On Tue, Feb 18, 2003 at 10:39:09AM -0800, Ted Jirik wrote:
> 
> Stan,
> 
> Remote draw applications are programs which use Foxboro's hilib display 
> interface calls to manipulate the display surface on a remote screen. The 
> Integrated Control Configurator is one example. These programs are 
> holdovers from the AP20/WPXX days when the application could not entirely 
> reside inside the WP and needed resources on the AP to run properly. They 
> ran on machines that did not support X so they used Foxboro's own mechanism 
> to create a client/server session.
> 
> They are still dependent on the Foxboro client/server model unlike most of 
> the newer programs which came along after the 50 series release.
> 
> The issues I have seen with these types of programs are related to resizing 
> the window. They do not seem to know how to redraw themselves after a 
> resize. So, buttons disappear. When they run on a Foxboro workstation 
> running Open Look, the resize handles are removed from the window frame so 
> they cannot be resized. When they run on a PC XServer with some other 
> window manager the resize handles are available and if you change the 
> window size at all you will have a problem.
> 
> Another issue is save unders and backing store. These must be available in 
> the XServer or the programs will also have problems with buttons and 
> dialogs not being redrawn.
> 
> When I first tried GoGlobal it did not support backing store or save unders 
> (I cannot remember which) as needed by the Foxboro programs. So it had 
> problems with ICC and the historian configurator. I don't know if it has 
> been corrected by now.
> 
> I hope that helps.

Thanks, it's most helpful!

-- 
"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
                                                -- Benjamin Franklin
 
 
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