[Octave-bug-tracker] [bug #51103] GUI command-line output window freezes after plot, but input still works

[Dan Sebald]

Follow-up Comment #11, bug #51103 (project octave):

OK, I think I can summarize this better now, given that I have commented

%  graphics_toolkit('gnuplot');

out of my .octaverc file.

So, with that, launching and plot uses 'qt' graphics toolkit.  If the plot is
successful, the command-line window output does not freeze.  If the Qt plot is
unsuccessful (i.e., a grey window with a white rectange in the upper-left
corner) the command-line window output does freeze.

The switch to graphics_toolkit('fltk') consistently freezes the output window
event though the plot looks fine.  I can still run commands, and in fact I can
still run plot commands and get an updated plot, even though characters no
longer appear in the command window.

So, the bug here seems to be that FLTK is not return the output resource to
the Command Window, similar to what is probably happening when Qt plot
freezes.

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