On Wed, 2004-01-07 at 17:46, Not Zed wrote:
> I don't understand why the option is called 'show only sub'?  Doesn't it
> mean 'only update subscribed'?

no, it means "only show subscribed folders in the folder-tree" which is
what it means in every other mail client in the world afaict.

There is a checkbox for checking only INBOX vs checking all folders, but
that isn't what he is talking about.

Jeff

> 
> On Wed, 2004-01-07 at 15:49 +0000, David Woodhouse wrote:
> > The IMAP RFCs define the meaning of 'subscribed' ambiguously -- they say
> > only that it's for 'active' mailboxes.
> > 
> > One possible interpretation of that is that it's for the mailboxes which
> > the user wants to _see_. However, it's very common with IMAP (as opposed
> > to NNTP) to display _all_ folders, not only the subscribed folders. 
> > 
> > In that case, there are few sane interpretations of what 'subscribed'
> > actually means. The only really useful one I can think of it that
> > 'subscribed' folders should be the folders in which the user wants the
> > MUA to periodically check for new mail. That is; the folders are
> > 'active' and receive mail delivery, rather than being archives of old
> > mail.
> > 
> > I have a large number of folders and always used to archive them
> > quarterly -- since switching to Evolution I've avoided archiving them,
> > because of Evolution's behaviour on checking for new mail. It checks
> > _all_ folders, and does so at startup before even displaying the INBOX
> > or responding to user requests to display certain mails. Archiving my
> > mail even once would instantly double the time taken for this, and it's
> > _already_ at the point where I often fire up pine and read my mail while
> > waiting for Evolution to start.
> > 
> > So I've implemented a 'check for new mail only in subscribed folders'
> > feature, so that I can start archiving my mail again without Evo
> > actually taking hours to start. 
> > 
> > The problem is that it's ugly as hell. The current IMAP code, when told
> > 'show all folders', pretends to the Evo mailer that it is a store
> > incapable of handling subscriptions. The Evo mailer _always_ asks for
> > only subscribed folders on such a store, except in the subscription
> > dialog.
> > 
> > I don't feel _too_ guilty, since it was already ugly as hell... but does
> > anyone have better suggestions? I'd at least have liked to have a
> > drop-down box:
> > 
> >     Check for mail in:      [<All Folders>]
> >                             [<Subscribed Folders>]
> >                             [<INBOX only>]
> > 
> > Index: camel/providers/imap/camel-imap-provider.c
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/camel/providers/imap/camel-imap-provider.c,v
> > retrieving revision 1.26
> > diff -u -p -r1.26 camel-imap-provider.c
> > --- camel/providers/imap/camel-imap-provider.c      1 Dec 2003 02:10:49 -0000      
> >  1.26
> > +++ camel/providers/imap/camel-imap-provider.c      7 Jan 2004 15:15:13 -0000
> > @@ -54,6 +54,8 @@ CamelProviderConfEntry imap_conf_entries
> >     { CAMEL_PROVIDER_CONF_SECTION_START, "folders", NULL,
> >       N_("Folders") },
> >     { CAMEL_PROVIDER_CONF_CHECKBOX, "use_lsub", NULL,
> > +     N_("Use list of subscribed folders"), "1" },
> > +   { CAMEL_PROVIDER_CONF_CHECKBOX, "show_only_sub", "use_lsub",
> >       N_("Show only subscribed folders"), "1" },
> >     { CAMEL_PROVIDER_CONF_CHECKBOX, "override_namespace", NULL,
> >       N_("Override server-supplied folder namespace"), "0" },
> > Index: camel/providers/imap/camel-imap-store.c
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/camel/providers/imap/camel-imap-store.c,v
> > retrieving revision 1.262
> > diff -u -p -r1.262 camel-imap-store.c
> > --- camel/providers/imap/camel-imap-store.c 10 Dec 2003 19:22:20 -0000      1.262
> > +++ camel/providers/imap/camel-imap-store.c 7 Jan 2004 15:15:14 -0000
> > @@ -311,6 +311,8 @@ construct (CamelService *service, CamelS
> >     imap_store->parameters = 0;
> >     if (camel_url_get_param (url, "use_lsub"))
> >             store->flags |= CAMEL_STORE_SUBSCRIPTIONS;
> > +   if (camel_url_get_param (url, "show_only_sub"))
> > +           imap_store->parameters |= IMAP_PARAM_SHOW_ONLY_SUB;
> >     if (camel_url_get_param (url, "namespace")) {
> >             imap_store->parameters |= IMAP_PARAM_OVERRIDE_NAMESPACE;
> >             g_free(imap_store->namespace);
> > @@ -2207,7 +2209,9 @@ get_subscribed_folders (CamelImapStore *
> >             fi = parse_list_response_as_folder_info (imap_store, result);
> >             if (!fi)
> >                     continue;
> > -           
> > +
> > +           fi->flags |= CAMEL_FOLDER_SUBSCRIBED;
> > +
> >             if (strncmp (top, fi->full_name, toplen) != 0) {
> >                     camel_folder_info_free (fi);
> >                     continue;
> > @@ -2268,12 +2272,37 @@ get_folders_online (CamelImapStore *imap
> >             list = response->untagged->pdata[i];
> >             fi = parse_list_response_as_folder_info (imap_store, list);
> >             if (fi) {
> > +                   if (lsub)
> > +                           fi->flags |= CAMEL_FOLDER_SUBSCRIBED;
> >                     g_ptr_array_add(folders, fi);
> >                     g_hash_table_insert(present, fi->full_name, fi);
> >             }
> >     }
> >     camel_imap_response_free (imap_store, response);
> >  
> > +   /* If we're not asked for only subscribed folders, but subscriptions are 
> > available,
> > +      issue LSUB _too_ and set CAMEL_FOLDER_SUBSCRIBED flag where appropriate */
> > +   if (!lsub && (CAMEL_STORE(imap_store)->flags & CAMEL_STORE_SUBSCRIPTIONS)) {
> 
> not sure this'll work.  if you have CAMEL_STORE_SUBSCRIPTIONS set you'll
> get lsub calls instead of list ones.
> 
> > +           response = camel_imap_command (imap_store, NULL, ex,
> > +                                          "%s \"\" %S", "LSUB", pattern);
> 
> you can juse use '... "LSUB \"\" %S", pattern'
> 
> > +           if (!response)
> > +                   goto out;
> > +
> > +           for (i = 0; i < response->untagged->len; i++) {
> > +                   CamelFolderInfo *fi2;
> > +                   list = response->untagged->pdata[i];
> > +                   fi = parse_list_response_as_folder_info (imap_store, list);
> > +
> > +                   /* Look up the original from the hash table and mark it 
> > subscribed. */
> > +                   fi2 = g_hash_table_lookup(present, fi->full_name);
> > +                   if (fi2)
> > +                           fi2->flags |= CAMEL_FOLDER_SUBSCRIBED;
> > +
> > +                   camel_folder_info_free(fi);
> > +           }
> > +           camel_imap_response_free (imap_store, response);
> > +   }
> 
> 
> 
> >     /* update our summary to match the server */
> >     count = camel_store_summary_count((CamelStoreSummary *)imap_store->summary);
> >     for (i=0;i<count;i++) {
> > @@ -2302,6 +2331,7 @@ get_folders_online (CamelImapStore *imap
> >             }
> >             camel_store_summary_info_free((CamelStoreSummary 
> > *)imap_store->summary, si);
> >     }
> > +out:
> >     g_hash_table_destroy(present);
> >  }
> >  
> > @@ -2345,9 +2375,13 @@ get_folder_counts(CamelImapStore *imap_s
> >             q = g_slist_remove_link(q, q);
> >  
> >             while (fi) {
> > -                   /* ignore noselect folders, and check only inbox if we only 
> > check inbox */
> > +                   /* ignore noselect folders, and show other folders if one of 
> > the following is true:
> 
> show folders?  you've changed the meaning of hte comment?
> 
> > +                       - We are set to check all folders.
> > +                       - The folder is the INBOX.
> > +                       - The folder is a subscribed folder, we're set to use 
> > subscriptions but not to show only subscribed folders */
> >                     if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0
> >                         && ( (imap_store->parameters & IMAP_PARAM_CHECK_ALL)
> > +                            || ((CAMEL_STORE(imap_store)->flags & 
> > CAMEL_STORE_SUBSCRIPTIONS) && !(imap_store->parameters & IMAP_PARAM_SHOW_ONLY_SUB) 
> > && (fi->flags & CAMEL_FOLDER_SUBSCRIBED)) 
> 
> this logic doesn't look right
> 
> >                              || strcasecmp(fi->full_name, "inbox") == 0) ) {
> >  
> >                             CAMEL_SERVICE_LOCK (imap_store, connect_lock);
> > @@ -2468,7 +2502,8 @@ get_folders(CamelStore *store, const cha
> >     folders = g_ptr_array_new();
> >     
> >     /* first get working list of names */
> > -   get_folders_online (imap_store, name[0]?name:"%", folders, flags & 
> > CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex);
> > +   get_folders_online (imap_store, name[0]?name:"%", folders,
> > +                       (flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) && 
> > (imap_store->parameters & IMAP_PARAM_SHOW_ONLY_SUB), ex);
> >     if (camel_exception_is_set(ex))
> >             goto fail;
> >     for (i=0; i<folders->len && !haveinbox; i++) {
> > @@ -2478,7 +2513,7 @@ get_folders(CamelStore *store, const cha
> >  
> >     if (!haveinbox && top == imap_store->namespace) {
> >             get_folders_online (imap_store, "INBOX", folders,
> > -                               flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex);
> > +                               (flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) && 
> > (imap_store->parameters & IMAP_PARAM_SHOW_ONLY_SUB), ex);
> >             
> >             if (camel_exception_is_set (ex))
> >                     goto fail;
> > @@ -2517,7 +2552,7 @@ get_folders(CamelStore *store, const cha
> >  
> >                             real = 
> > camel_imap_store_summary_full_from_path(imap_store->summary, fi->full_name);
> >                             n = imap_concat(imap_store, real?real:fi->full_name, 
> > "%");
> > -                           get_folders_online(imap_store, n, folders, flags & 
> > CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, ex);
> > +                           get_folders_online(imap_store, n, folders, (flags & 
> > CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) && (imap_store->parameters & 
> > IMAP_PARAM_SHOW_ONLY_SUB), ex);
> >                             g_free(n);
> >                             g_free(real);
> >  
> > @@ -2566,7 +2601,7 @@ get_folder_info_online (CamelStore *stor
> >     if (top == NULL)
> >             top = "";
> >  
> > -   if ((flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED)
> > +   if (((flags & CAMEL_STORE_FOLDER_INFO_SUBSCRIBED) && (imap_store->parameters & 
> > IMAP_PARAM_SHOW_ONLY_SUB))
> >         && !(imap_store->capabilities & IMAP_CAPABILITY_useful_lsub)
> >         && (imap_store->parameters & IMAP_PARAM_CHECK_ALL))
> >             folders = get_subscribed_folders(imap_store, top, ex);
> > Index: camel/providers/imap/camel-imap-store.h
> > ===================================================================
> > RCS file: /cvs/gnome/evolution/camel/providers/imap/camel-imap-store.h,v
> > retrieving revision 1.57
> > diff -u -p -r1.57 camel-imap-store.h
> > --- camel/providers/imap/camel-imap-store.h 10 Dec 2003 19:22:20 -0000      1.57
> > +++ camel/providers/imap/camel-imap-store.h 7 Jan 2004 15:15:14 -0000
> > @@ -95,6 +95,7 @@ typedef enum {
> >  #define IMAP_PARAM_OVERRIDE_NAMESPACE              (1 << 0)
> >  #define IMAP_PARAM_CHECK_ALL                       (1 << 1)
> >  #define IMAP_PARAM_FILTER_INBOX                    (1 << 2)
> > +#define IMAP_PARAM_SHOW_ONLY_SUB           (1 << 3)
> >  
> >  struct _CamelImapStore {
> >     CamelDiscoStore parent_object;  
> > 
> > 
> > -- 
> > dwmw2
> > 
> > _______________________________________________
> > evolution-hackers maillist  -  [EMAIL PROTECTED]
> > http://lists.ximian.com/mailman/listinfo/evolution-hackers
> 
> _______________________________________________
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