[GRASS5] Driver Update

[Glynn Clements]

Glynn Clements wrote:

> > if you allow, an offlist query: Is it possible to implement an auto-redraw
> > into the monitor if the user resizes it? Somehow like d.zoom does the
> > redraw? The would be *really* great if it wouldn't destabilize the driver.
> 
> AFAICT, d.zoom uses the list constructed by D_add_to_list() to perform
> the redraw. I haven't looked into how this mechanism works enough to
> be able to determine how involved this would be.

OK; I've just committed some changes which will implement this.

Resize events are no longer processed while a client is connected;
instead, a flag is set, and the resize is handled once the driver is
idle.

This needs testing thoroughly; XDRIVER will now spawn whatever
commands are added to the list via D_add_to_list(). If any of these
commands don't like being run in this environment, problems may occur;
in which case, the commands will need to be fixed, or at least have
the D_add_to_list() call removed.

-- 
Glynn Clements <glynn.clements at virgin.net>

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