Hi Craig,
it is perfectly possible to create or modify a collection file without
the qcollectiongenerator. The QHelpEngineCore class which basically
represents a help collection allows you to register or unregister
documentation, meaning adding and removing documentation (qch files)
from the help collection. Referring to your example, the main
application would be the owner of the help collection and would ask the
plugin for a documentation. If the plugin returns one, the main
application can register it accordingly.
You can have a look at Qt Assistant which builds up its collection file
dynamically depending on which (Qt) documentation it finds in certain paths.
Kind regards,
Thomas
I've been looking through the current Qt4.4 snapshot docs for the Qt Help
module. The QHelpEngineCore class and its associates look very interesting
for our commercial apps, but there is one specific limitation compared with
the existing QAssistantClient implementation: The QHelpEngineCore class does
not appear to be able to accept a help collection file that is dynamically
generated by the application, since any such document has to be passed
through the qcollectiongenerator tool. Ideally, the QHelpEngineCore class
should be able to accept not just the compiled .qhc file, but also the
textual .qhcp input files and do the compilation itself internally.
For a specific use case, consider an application which uses a plugin framework
where plugins can come with their own documentation sets and where the
plugins available can change (eg plugins might be packaged and distributed
separately). The application wants to present all the documentation together
to the user by interrogating what plugins are being used only when the
application is actually run and then generate a help collection file on the
fly.
How possible is it to modify the QHelpEngineCore class to accept dynamically
generated collection files, even better to just take a QString instead of
having to read it from a file?
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