Re: GtkSourceView: code folding

[Ritesh Khadgaray <khadgaray gmail com>]

Hi

On Tue, 2014-08-12 at 16:28 +0200, Sébastien Wilmet wrote:
> On Tue, 2014-08-12 at 15:55 +0200, flix wrote:
> > Well, yes, actually I've already made the gutter part myself and it's 
> > working great (zoom included). Initially I just used the default 
> > implementation Gsv provides for Gsv::Mark icons (by swapping a 
> > 'collapsed mark' with an 'expanded mark' to change state): it worked, 
> > but with a custom gutter rendered I managed to use just one mark 
> > (extended to contain the folding state) for both states, and to make 
> > zooming work in the gutter icons too.
>
> What do you call "zooming" in the context of code folding?
> With a custom gutter renderer you can draw also a vertical line below
> the + buttons, to show where the "foldable" region stops (like Scintilla
> does). Or you can draw different background colors, like Qt text editors
> do.
>
> > However the main problem of my post is that the TextChildAnchor is 
> > necessary if we want to handle collapsed regions properly (for example 
> > for saving all the possible space, or to implement free collapsable 
> > regions, like in C#)
>
> I don't follow you, what is a free collapsable region? A block beginning
> and ending in the middle of a line? If so, is the code folding really
> useful for such blocks?
>
> Btw, the code folding is still not implemented in GtkSourceView or gedit
> because we don't think it is a really useful feature. Having the
> structure of the file in the side panel is more useful in my opinion.
> Like the list of functions, or the list of chapters, sections, etc of a
> LaTeX document.
<snip/>

The problem with editors ( such as anjuta) , the symbols are
alphabetically sorted while the order in file is "logically" written.

With code folding, one could simulate "split-view" .

-- 
Cheers
-- ritz
One Bell System - it used to work before they installed the Dimension!