Asking for recommendations on how to add a feature to KTextEditor

[Kevin Funk]

On Monday, 9 April 2018 13:13:46 CEST Aleix Pol wrote:
> On Mon, Apr 9, 2018 at 12:49 PM, Michal Srb <michalsrb at gmail.com> wrote:
> > Hi,
> > 
> > I would like to ask for hints/recommendations on how to implement a
> > feature for KTextEditor.
> > 
> > My ultimate goal is to make a plugin for KDevelop that will show some
> > additional information in the code itself. For example names of
> > function arguments at call site. Something like this in intellij:
> > https://d3nmt5vlzunoa1.cloudfront.net/idea/files/2016/09/Screen-Shot-2016-> > 09-27-at-10.29.15.png

Heya Michal,

That indeed would be super helpful to have, for a variety of use-cases.

+1 on the idea for the feature!

Can't help a lot with implementing this correctly in KTextEditor, though. The 
Kate people should chime in there :)

Cheers,
Kevin

> > For this I would need a way to render something in the text, affecting
> > the layout of the line. It would be nice to be able to place any
> > general widget or image into the line, but even plain text would be
> > sufficient. It must behave differently than the "real" text around it,
> > such that it can not be edited, cursor skips it, copying does not copy
> > it, etc.
> > 
> > So far I thought of adding something like `AnnotationViewInterface`,
> > which would allow to add this kind of immutable text on line+column
> > position. Then in `KateRenderer` it could take these into
> > consideration when layouting the line and render it in. It would be
> > visible in the text, but never become a real part of the text.
> > 
> > Would you recommend some other approach, or is there perhaps a way to
> > do it without modifying KTextEditor?
> 
> Including kwrite-devel where many kate developers live. :)
> Looking forward to seeing your feature implemented in KDevelop! :D
> 
> Aleix


-- 
Kevin Funk | kfunk at kde.org | http://kfunk.org
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