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

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

On Monday 29 December 2008 14:36:53 Ben Abbott wrote:
> 
> On Dec 29, 2008, at 12:15 AM, Ethan A Merritt wrote:
> 
> > Well, if someone can figure out which bit of code in gplt_x11.c is
> > getting called erroneously in your original trials, I'd be happy to
> > help design a fix for it.  But since I can't reproduce the problem  
> > here,
> > I am entirely dependent on someone else to pin down the precise source
> > of the error.
> 
> 
> I asked for some help on Octave's mail list. The relevant portion of a  
> response is below
> 
> On Dec 29, 2008, at 4:54 PM, Thomas Treichl wrote:
> 
> > I started the debugger and did 'gnuplot> load "simple_example.gp"'  
> > once again and I cannot see the problem. The reason now might be  
> > that somewhere we have some kind of *timing* problem, ie. if the  
> > commands are typed in per hand then this is 'slow' enough that the  
> > window is not resized - the same happens if I run the program with  
> > the debugger. The debugger needs some time for each line and that's  
> > already enough so that the resizing problem doesn't appear. This  
> > also means that we don't get any further with debugging as we cannot  
> > see the problem if we use gdb. I'm currently out of ideas how we can  
> > track for this problem...
> 
> So the window grows when gnuplot form the command line and my example  
> is loaded, but does not when run in the debugger.
> 
> I checked Thomas' hypothesis by placing a "pause(0.1)" after each  
> plot, and the window did not grow.

Yuck. "timing problem" is a symptom, not a cause.
Nevertheless, please test the following one-line workaround.
If this fixes it then we can wrap it in some OSX-specific conditional
test and a comment explaining that it is just an empirical hack for
a timing problem.

--- gnuplot/src/term.c  2008-12-12 13:06:13.000000000 -0800
+++ gnuplot-cvs/src/term.c      2008-12-29 15:01:26.000000000 -0800
@@ -822,6 +822,7 @@ term_end_multiplot()
      * eventually statusline */
     mouse_setting.on = save_mouse_state;
     UpdateStatusline();
+    usleep(100);
 #endif
 }








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