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 :: Mailing Lists

VNC musings [was RE: [ILUG] Access to KDE or GNOME]

VNC musings [was RE: [ILUG] Access to KDE or GNOME]

Kenn Humborg kenn at bluetree.ie
Thu Jun 22 15:18:39 IST 2000


> Yes that would be really useful!
> It would be quite transparent then
> to windoze users that they were running
> a remote app.
> 
> As for the implementation. Shouldn't be too
> bad I'd say, just create a basic win32 window
> and draw on it rather than within the VNC main window.
> 
> I've never used VNC actually, but I'll try
> it out soon, and see if I can hack around
> the windows bit to support this.

The tricky part is that the VNC server lives below the windowing
layer.  It gets requests like "draw this line", "draw this bitmap"
etc, rather than "create this window".  These low-level
graphics primitives are what are remoted to the client.
In fact, I think it's the results of these primitives that
are remoted (i.e. here's the new pixel data for (x1,y1)-(x2,y2).

So it might not be able to tell when windows are mapped or
the z-ordering changes.

However, maybe it could create a separate X screen (not 
display) for each mapped window.  That would require less
hooking of the higher-level window management layers in X.

Hmmm...

Later,
Kenn






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