Re: [gedit-list] Completion

[chuchi <jbarbero quiter com>]

Hi Jesse,

    I will try to do some test with plugins and providers to test all API. I paste the eclipse ContentAssist API reference if you want take a look. IMO, It is the best completion mechanism and it has been used for years and, If you know eclipse, you can see the power of that design. Anyway I'm happy if I can share providers between plugins and I can configure where I want to see the proposals.


El mar, 14-04-2009 a las 10:38 +0200, Jesse van den Kieboom escribió:
> Perriman wrote:
> > Hi all,
> >
> > With the new changes Do we need the add_provider and the
> > remove_provider? Currently there are no reasons to register providers,
> > only passing them on the gtk_source_completion_popup function is enough.
> > The only reason for that function is store the auto_providers, the
> > providers list is not used (only for check if the provider is registered
> > when popup function is called but it is not necessary).
> >   
> Let me explain the rationale of the decisions we made regarding 
> providers and triggers. There are basicly 3 types of 'triggers' that are 
> useful:
>
> 1) Keybinding
> 2) Autocomplete
> 3) Custom invocation
>
> Providers will be able to specify on what kind of event they should be 
> included in the popup. They will specify whether they react to the 
> global keybinding, and/or to the auto-complete-while-typing. This 
> already covers many of the use cases for completions. Furthermore, you 
> can easily switch between providers in the popup, showing only the 
> proposals for that particular provider. Use case 3) is for example when 
> you tab to a snippet placeholder, and want to show a list of possible   
> default choices. Such a provider will neither respond to the general 
> keybinding, nor to the auto-complete-while-typing, and will be invoked 
> by calling gsc_show_completion. We found that all use cases are covered 
> by implementing this like described, instead of building a special 
> trigger framework. Note that plugins can still install their own 
> keybindings, just as they do now, in ways provided already by Gtk+.
> > Sincerely, I don't like very much the changes. Currently the completion
> > decides that all proposals go to the "All" page. Why the completion
> > decides that? I don't like to have all proposals in the "All" page, I
> > want only my two pages with their proposals. I think the user (plugins
> > or application) must configure an "All" page if he wants that feature. 
> >   
> I disagree here, if you don't want some completions to be shown at all, 
> then you arguably do not really want that particular plugin. We will add 
> API that allows a provider to be ignored in the 'All' event.
> > I remember again we will need to show proposals in the same event from
> > different plugins. Currently I have four plugins for gedit using
> > completion:
> >
> > 1.- Document words completion - With three providers: words completion,
> > Open Documents Completion, Recent Documents Completion
> > 2.- Snippets completion (Symbol completion and symbol goto)
> > 3.- Symbols completion 
> > 4.- Universe commands completion
> >
> > If I like to show 1, 2, 3 y 4 in the same <control>space event, I cannot
> > do it. I will need 4 keybindings (and other for open/recent documents
> > provider) or create an unique plugin managing all providers (a lot of
> > unnecessary dependencies). We will find these problems in a near future.
> >   
> Why, if you have these plugins, and you want to show them all, then that 
> is perfectly fine.
> > If you don't like the trigger/proposal registration, another way of
> > implement the completion is using the "population" technique like the
> > popup menu or something like that. It is only an idea because the
> > provider is losing the sense slowly.
> >   
> Provider is not losing sense at all, it groups proposals in a meaningful 
> way and provides ways to show customized context information about them. 
> For what it is worth, in the context of gedit, you actually _will_ be 
> able to show any combination of providers, even if they are provided by 
> different plugins, by means of the GeditMessageBus.
> > That is only my opinion, you can do what you want, of course :)
> >
> > Regards,
> > 	Perriman
> >
> >
> >
> >
> >
> > _______________________________________________
> > gedit-list mailing list
> > gedit-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gedit-list
> >
> >   
>
> _______________________________________________
> gedit-list mailing list
> gedit-list gnome org
> http://mail.gnome.org/mailman/listinfo/gedit-list

 
Jesús Barbero Rodríguez
Departamento de Análisis y Programación - Desarrollo tecnológico
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