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

[Petr M. <mi...@ph...>]

> https://sourceforge.net/tracker/index.php?func=detail&aid=2570385&group_id=2055&atid=302055
> [ 2570385 ] GPVAL_X11_WINDOWID
>
> > > 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 
> > 
> > The current one is the current active one. It is the last one from "set term 
> > x11". The value of GPVAL_TERM_WINDOWID is to be used by a front-end (such as 
> > Octave) using gnuplot for drawings; thus, it can fetch the Window ID just 
> > after the plot command.
> 
> But "set term x11 5" will not necessarily open a new window; it will re-use
> the old window #5 if there is one.  So it will not necessarily trigger a
> window creation event, and thus would not automatically update your proposed
> *_CURRENT_* variable.  I suppose the terminal driver could maintain a list
> of previously-created window ids.

It does update the GPVAL_TERM_WINDOWID variable, please try the proposed 
patch.

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PM