Re: problem with "set x11 {size WW,HH} {position XX,YY}"

[Ethan M. <merritt@u.washington.edu>]

On Thursday 05 February 2009 15:47:17 Petr Mikulik wrote:
> > > > Automatic varible
> > > > 	GPVAL_TERM_WINDOWID
> > > > could be filled after each "plot".
> > > > 
> > > > How can this be done? Could x11.trm read it? Or should this be obtained via 
> > > > gp_exec_event?
> > > 
> > > I think that it is best done by gnuplot_x11 at the time the plot window
> > > is first opened.  The information can be sent back to gnuplot proper by
> > > calling gp_exec_event().  
> > > 
> > > I do not know exactly what call into the X libraries would need to be
> > > added in gplt_x11.c, but there must be one.  On the receiving end, it
> > > just needs another case statement in mouse.c (do_event).  That part is
> > > trivial.
> 
> I've put a preliminary version of the patch here:
> 
> https://sourceforge.net/tracker/index.php?func=detail&aid=2570385&group_id=2055&atid=302055
> [ 2570385 ] GPVAL_X11_WINDOWID

I will have a look.

> It needs some further work:
> 
> 1. The number 12345 in gplt_x11.c should be replaced by the actual window 
>    id. This is a task for an X11 guru.
> 
> 2. The same for wxt terminal.

I think we should defer work on wxt, since Thimothée is in the process of
making that a separate process.  When he does, the event will come in via
the same pathway as the x11 event.

> 3. New global variable current_x11_windowid should be placed in an .h + .c 
>    file. Which one?

That will probably not work.  There can be multiple x11 windows open at the
same time, so there is no "current" one.  Since you can associate a window
number with each one, however, we might be able to do:
       set term x11 5
       print TERM_X11_WINDOW_5_ID 

> 4. Should it be called GPVAL_TERM_WINDOWID or GPVAL_X11_WINDOWID ? The wxt 
>    terminal can run not only under X11, but e.g. under windows as well. Is 
>    there something like window id?

       TERM_something

> 
> ---
> PM
> 
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-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742