Re: [code] Updated proposal for better ctags support

From: Carlos Pita <>
Date: Thu, 3 Jul 2014 16:33:20 -0300

Great Mitchell, I've enough to start working on this but it will have to
wait a few more days until I finish with my exams. Just one last question:
do you think you could eventually accept a patch to add space wildcards to
the autocomplete dropdown or that is excuded from any possible universe?


On Jul 3, 2014 3:41 PM, "Mitchell" <> wrote:
> Hi Carlos,
> On Thu, 3 Jul 2014, Carlos Pita wrote:
>  I've some concerns regarding the possibility to implement this highly
>>> interactive dialog using the pure lua api of textadept. Is it possible
>>> to call the GtkBuilder passing it a glade file without writing C at
>>> all?
>> Well, I realized I was thinking in terms of a code browser but both
>> autocompletion and jump-to-def uis could be stripped down to a simple
>> filtered list gaining in simplicity and without sacrificing too much
>> functionality. Here is a more concrete suggestion:
>> 1) If a scope (class, type, table, etc.) filter is provided just list
>> the symbols belonging to that scope.
>> 2) If not, list the symbols for the current language in the following
>> order: first the ones belonging to the file in the current buffer,
>> next the ones belonging to files currently opened in some buffer, then
>> the rest. Symbols with attached scope information are listed as
>> <scope>.<symbol>.
>> 3) There is a wildcard character * (or space, as in
>> ui.dialogs.filteredlist) that allows you to type, say, ri*sp to match
>> "string.split".
>> 4) The final action (autocomplete or jump-to-def) depends on a
>> parameter that is passed to the widget, presumably mapped to different
>> key bindings.
>> This is all pretty simple but I still want to ask for informed opinion on:
>> i) A filteredlist dialog could be fine for jump-to-def but would look
>> a bit awkward for autocompletion. If the same widget will fulfil both
>> functions something like the autocomplete dropdown seems like a better
>> choice to me, but I'm not sure if it supports any wildcard char at
>> all.
> I agree a filteredlist dialog is a good fit for jumping to ctag
> definitions. For autocompletion, I think you should only display an
> autocompletion list (thus the language module should do its best to
> determine what symbols to display). Filtered-list pop-ups for
> autocompletion would probably be too jarring for users.
> Autocompletion lists do not accept wildcards.
>  ii) The filtered list would allow to pass additional contextual
>> information (for example, filename and signature) and still output
>> only the relevant part of the selection (symbol name without the
>> prefix). The autocomplete mechanism seems less flexible, but I think
>> that chosing the appropriate prefix character count the "<scope>."
>> portion could be removed at least, as part of the prefix.
> The autocomplete mechanism is actually quite flexible. Not only do you
> have control over what part of the selected item is inserted, but you can
> also connect to the `events.AUTO_C_SELECTION` event in order to do stuff
> before that text is inserted (or call `buffer:auto_c_cancel()` to prevent
> insertion completely).
> Cheers,
> Mitchell
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Received on Thu 03 Jul 2014 - 15:33:20 EDT

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