[Octave-bug-tracker] [bug #54880] Search in Documentation pane doesn't really work

[John W. Eaton]

Follow-up Comment #4, bug #54880 (project octave):

I built a copy of the qt assistant.exe program.  I can run it from inside
Octave using


system ("assistant.exe -collectionFile /path/to/octave_interpreter.qhc")


(it apparently needs some environment variables defined to find plugins and
this seemed the easiest way to do it).  It displays the manual and search
within a page works, but opening the search dialog and trying to find "svd"
(for example) doesn't return any results.

Looking in the index for "svd" and then clicking on "svd" in the list does
bring up the documentation for the svd function.

Do we have all the necessary libraries/tools installed to search?  This page
https://stackoverflow.com/questions/32748558/using-a-qt-help-file-in-an-installed-app
says we may need the sqlite sql driver (do we build and install that?  I'm not
sure exactly what file(s) that would be).  We do seem to be copying the qhc
file to a temporary writable directory, so it doesn't seem like taht would be
the problem.  Is there some Qt setting that we can enable to view any messages
that might be displayed about missing files or tools or other things that
could be going wrong?


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