[Octave-bug-tracker] [bug #60509] First initialization of graphics subsystem switches graphics_toolkit when octave-cli used

[Rik]

Follow-up Comment #9, bug #60509 (project octave):

I remember this being a PITA which probably explains why the code became so
convoluted.  Maybe stating the goals would help.  I think

1) If a toolkit has been selected by the programmer then use it.  STOP.

2) If no toolkit has been initialized then prefer an OpenGL toolkit (with "qt"
higher priority to "fltk").  STOP.

3) If no OpenGL toolkit is available then choose something from the list of
available_graphics_toolkits().  STOP.

4) If no toolkit is available, throw an error

We don't implement the first condition.




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