Handle /who command in chat rooms

src/command.c

@@ -777,10 +777,9 @@ cmd_reset_autocomplete()
         if (nick_ac != NULL) {
             p_autocomplete_reset(nick_ac);
         }
-    } else {
-        p_autocomplete_reset(who_ac);
     }
 
+    p_autocomplete_reset(who_ac);
     p_autocomplete_reset(prefs_ac);
     p_autocomplete_reset(log_ac);
     p_autocomplete_reset(commands_ac);
@@ -1429,7 +1428,81 @@ _cmd_who(gchar **args, struct cmd_help_t help)
         } else {
             if (win_current_is_groupchat()) {
                 char *room = win_current_get_recipient();
-                win_show_room_roster(room);
+                GList *list = muc_get_roster(room);
+
+                // no arg, show all contacts
+                if (presence == NULL) {
+                    win_show_room_roster(room, list, NULL);
+
+                // available
+                } else if (strcmp("available", presence) == 0) {
+                    GList *filtered = NULL;
+
+                    while (list != NULL) {
+                        PContact contact = list->data;
+                        const char * const contact_presence = (p_contact_presence(contact));
+                        if ((strcmp(contact_presence, "online") == 0)
+                                || (strcmp(contact_presence, "chat") == 0)) {
+                            filtered = g_list_append(filtered, contact);
+                        }
+                        list = g_list_next(list);
+                    }
+
+                    win_show_room_roster(room, filtered, "available");
+
+                // unavailable
+                } else if (strcmp("unavailable", presence) == 0) {
+                    GList *filtered = NULL;
+
+                    while (list != NULL) {
+                        PContact contact = list->data;
+                        const char * const contact_presence = (p_contact_presence(contact));
+                        if ((strcmp(contact_presence, "offline") == 0)
+                                || (strcmp(contact_presence, "away") == 0)
+                                || (strcmp(contact_presence, "dnd") == 0)
+                                || (strcmp(contact_presence, "xa") == 0)) {
+                            filtered = g_list_append(filtered, contact);
+                        }
+                        list = g_list_next(list);
+                    }
+
+                    win_show_room_roster(room, filtered, "unavailable");
+
+                // online, show all status that indicate online
+                } else if (strcmp("online", presence) == 0) {
+                    GList *filtered = NULL;
+
+                    while (list != NULL) {
+                        PContact contact = list->data;
+                        const char * const contact_presence = (p_contact_presence(contact));
+                        if ((strcmp(contact_presence, "online") == 0)
+                                || (strcmp(contact_presence, "away") == 0)
+                                || (strcmp(contact_presence, "dnd") == 0)
+                                || (strcmp(contact_presence, "xa") == 0)
+                                || (strcmp(contact_presence, "chat") == 0)) {
+                            filtered = g_list_append(filtered, contact);
+                        }
+                        list = g_list_next(list);
+                    }
+
+                    win_show_room_roster(room, filtered, "online");
+
+                // show specific status
+                } else {
+                    GList *filtered = NULL;
+
+                    while (list != NULL) {
+                        PContact contact = list->data;
+                        if (strcmp(p_contact_presence(contact), presence) == 0) {
+                            filtered = g_list_append(filtered, contact);
+                        }
+                        list = g_list_next(list);
+                    }
+
+                    win_show_room_roster(room, filtered, presence);
+                }
+
+            // not in groupchat window
             } else {
                 GSList *list = get_contact_list();
 

src/profanity.c

@@ -297,7 +297,8 @@ void
 prof_handle_room_roster_complete(const char * const room)
 {
     muc_set_roster_received(room);
-    win_show_room_roster(room);
+    GList *roster = muc_get_roster(room);
+    win_show_room_roster(room, roster, NULL);
     win_current_page_off();
 }
 

src/ui.h

@@ -115,7 +115,7 @@ void win_show_outgoing_msg(const char * const from, const char * const to,
 void win_new_chat_win(const char * const to);
 
 void win_join_chat(Jid *jid);
-void win_show_room_roster(const char * const room);
+void win_show_room_roster(const char * const room, GList *roster, const char * const presence);
 void win_show_room_history(const char * const room_jid, const char * const nick,
     GTimeVal tv_stamp, const char * const message);
 void win_show_room_message(const char * const room_jid, const char * const nick,

src/windows.c

@@ -810,21 +810,27 @@ win_join_chat(Jid *jid)
 }
 
 void
-win_show_room_roster(const char * const room)
+win_show_room_roster(const char * const room, GList *roster, const char * const presence)
 {
     int win_index = _find_prof_win_index(room);
     WINDOW *win = windows[win_index]->win;
 
-    GList *roster = muc_get_roster(room);
-
     _win_show_time(win, '!');
     if ((roster == NULL) || (g_list_length(roster) == 0)) {
         wattron(win, COLOUR_ROOMINFO);
-        wprintw(win, "Room is empty.\n");
+        if (presence == NULL) {
+            wprintw(win, "Room is empty.\n");
+        } else {
+            wprintw(win, "No participants are %s.\n", presence);
+        }
         wattroff(win, COLOUR_ROOMINFO);
     } else {
         wattron(win, COLOUR_ROOMINFO);
-        wprintw(win, "Participants: ");
+        if (presence == NULL) {
+            wprintw(win, "Participants: ");
+        } else {
+            wprintw(win, "Participants (%s): ", presence);
+        }
         wattroff(win, COLOUR_ROOMINFO);
         wattron(win, COLOUR_ONLINE);