Re: Change to KTextEditor code completion interface

Hi,
On Thursday 09 November 2006 08:11, Hamish Rodda wrote:
> Unfortunately in my porting I missed that Quanta was actually using
> the old interface.
Yes, that part was not really touched since the big changes in KDE4 
begun. Actually I think that it was compiling but not working since 
months.

> I've started on porting Quanta to the new interface, but I have a few
> questions:
>
> 1) Invocation of code completion.
> This is now handled in three ways: a) automatic invocation, when the
> user types specific text b) manual invocation, when the user types a
> shortcut, and c) 3rd party invocation, eg. if Quanta specifically
> requests a code completion to be shown.

Exactly.

> Currently you're using your own system to provide invocation, which
> under the new scheme would be c).  However I'm guessing that you
> might be interested in using the inbuilt invocation now?  Currently
> it is implemented with regexps for finding the start and end of the
> range of text to be completed - the new code needs to know where the
> text to be completed against starts and finishes.  I was thinking of
> enabling completion models to supply their own regexps for detecting
> valid ranges of text to be completed, or even having a virtual
> function which can be called to provide this detection.
>
> Here are the inbuild regexps as they stand at the moment: word
> start: "\b([_\w]+)$", word end: "^([_\w]*)\b".  I guess they might be
> a bit too programming-specific in comparison to what you need.
>
> Alternatively you could stay with your current system and use option
> c), but that would limit the ability for other completion providers
> to peacefully coexist (not that I can really see a good use case for
> it, but...)

This looks a nice idea. Actually the completion code does a lot of magic 
trying to find out what should be completed (tag, attribute, attribute 
value, function, etc.) and trying to find the beginning of the 
to-be-completed text. I may imagine that providing our own regexps to 
the completion interface and let it do the job would be much cleaner.

> 2) actually, it's just the invocation issue now :)

You mean the rest (providing the list with the completion items, 
filtering the result and so) is not changed in the new interface?

Andras
-- 
Quanta Plus developer - http://quanta.kdewebdev.org
K Desktop Environment - http://www.kde.org

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