diff --git a/melib/src/addressbook.rs b/melib/src/addressbook.rs
index 543f3a4a7..86022008c 100644
--- a/melib/src/addressbook.rs
+++ b/melib/src/addressbook.rs
@@ -24,7 +24,7 @@ use fnv::FnvHashMap;
 
 use std::ops::Deref;
 
-type CardId = Uuid;
+pub type CardId = Uuid;
 
 #[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
 pub struct AddressBook {
diff --git a/ui/src/components.rs b/ui/src/components.rs
index f6a160d92..6fbe2ddbc 100644
--- a/ui/src/components.rs
+++ b/ui/src/components.rs
@@ -136,8 +136,8 @@ impl Entity {
         &self.id
     }
     /// Pass events to child component.
-    pub fn rcv_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
-        self.component.process_event(&event, context)
+    pub fn rcv_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
+        self.component.process_event(event, context)
     }
 }
 
@@ -146,7 +146,7 @@ impl Entity {
 /// fields (eg self.dirty = false) and act upon that in their `draw` implementation.
 pub trait Component: Display + Debug + Send {
     fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context);
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool;
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool;
     fn is_dirty(&self) -> bool {
         true
     }
diff --git a/ui/src/components/contacts.rs b/ui/src/components/contacts.rs
index db8be6e58..138bf88f0 100644
--- a/ui/src/components/contacts.rs
+++ b/ui/src/components/contacts.rs
@@ -123,7 +123,7 @@ impl Component for ContactManager {
         context.dirty_areas.push_back(area);
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.form.process_event(event, context) {
             match self.form.buttons_result() {
                 None => {},
diff --git a/ui/src/components/contacts/contact_list.rs b/ui/src/components/contacts/contact_list.rs
index 0c8cbf999..728fd87d7 100644
--- a/ui/src/components/contacts/contact_list.rs
+++ b/ui/src/components/contacts/contact_list.rs
@@ -1,11 +1,13 @@
 use super::*;
 
+use melib::CardId;
+
 const MAX_COLS: usize = 500;
 
 #[derive(Debug, PartialEq)]
 enum ViewMode {
     List,
-    View(EntityId),
+    View(CardId),
 }
 
 #[derive(Debug)]
@@ -16,7 +18,7 @@ pub struct ContactList {
     length: usize,
     content: CellBuffer,
 
-    id_positions: Vec<EntityId>,
+    id_positions: Vec<CardId>,
     
     mode: ViewMode,
     dirty: bool,
@@ -51,6 +53,13 @@ impl ContactList {
         }
     }
 
+    pub fn for_account(pos: usize) -> Self {
+        ContactList {
+            account_pos: pos,
+            ..Self::new()
+        }
+    }
+        
     fn initialize(&mut self, context: &mut Context) {
         let account = &mut context.accounts[self.account_pos];
         let book = &mut account.address_book;
@@ -106,13 +115,23 @@ impl Component for ContactList {
         self.cursor_pos = self.new_cursor_pos;
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if let Some(ref mut v) = self.view {
             if v.process_event(event, context) {
                 return true;
             }
         }
         match event.event_type {
+            UIEventType::Input(Key::Char('c')) => {
+                let mut manager = ContactManager::default();
+                manager.account_pos = self.account_pos;
+                let entity = Entity::from(Box::new(manager));
+
+                self.mode = ViewMode::View(*entity.id());
+                self.view = Some(entity);
+                
+                return true;
+            },
             UIEventType::Input(Key::Char('e')) if self.length > 0 => {
                 let account = &mut context.accounts[self.account_pos];
                 let book = &mut account.address_book;
diff --git a/ui/src/components/indexer.rs b/ui/src/components/indexer.rs
index eb804bae0..30da0f5e2 100644
--- a/ui/src/components/indexer.rs
+++ b/ui/src/components/indexer.rs
@@ -91,7 +91,7 @@ impl Component for Indexer {
         context.dirty_areas.push_back(area);
     }
 
-    fn process_event(&mut self, event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
         if !self.entries[self.cursor[0]]
             .index
             .process_event(event, _context)
diff --git a/ui/src/components/indexer/index.rs b/ui/src/components/indexer/index.rs
index 15c5a0349..d636a9a0d 100644
--- a/ui/src/components/indexer/index.rs
+++ b/ui/src/components/indexer/index.rs
@@ -123,7 +123,7 @@ impl Component for Index {
         return;
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.content.process_event(event, context) {
             return true;
         }
diff --git a/ui/src/components/mail.rs b/ui/src/components/mail.rs
index 144683c22..fcfd7aa5e 100644
--- a/ui/src/components/mail.rs
+++ b/ui/src/components/mail.rs
@@ -257,7 +257,7 @@ impl Component for AccountMenu {
 
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::RefreshMailbox(c) => {
                 self.cursor = Some(c);
diff --git a/ui/src/components/mail/accounts.rs b/ui/src/components/mail/accounts.rs
index 13c759448..56c710959 100644
--- a/ui/src/components/mail/accounts.rs
+++ b/ui/src/components/mail/accounts.rs
@@ -119,7 +119,7 @@ impl Component for AccountsPanel {
         copy_area(grid, &self.content, area, ((0, 0), (width - 1, height - 1)));
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::Input(Key::Up) => {
                 self.cursor = self.cursor.saturating_sub(1);
@@ -133,6 +133,13 @@ impl Component for AccountsPanel {
                 }
                 return true;
             },
+            UIEventType::Input(Key::Char('\n')) => {
+                context.replies.push_back(UIEvent {
+                    id: 0,
+                    event_type: UIEventType::Action(Tab(TabOpen(Some(Box::new(ContactList::for_account(self.cursor)))
+                    )))});
+                return true;
+            },
             _ => {},
         }
 
diff --git a/ui/src/components/mail/accounts/contacts.rs b/ui/src/components/mail/accounts/contacts.rs
index ccd5d4be2..61b8cbaa6 100644
--- a/ui/src/components/mail/accounts/contacts.rs
+++ b/ui/src/components/mail/accounts/contacts.rs
@@ -45,7 +45,7 @@ impl Component for ContactsPanel {
         copy_area(grid, &self.content, area, ((0, 0), (width - 1, height - 1)));
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, _event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, _event: &mut UIEvent, _context: &mut Context) -> bool {
         false
     }
     fn is_dirty(&self) -> bool {
diff --git a/ui/src/components/mail/compose.rs b/ui/src/components/mail/compose.rs
index c541a842a..e6fc9d317 100644
--- a/ui/src/components/mail/compose.rs
+++ b/ui/src/components/mail/compose.rs
@@ -387,7 +387,7 @@ impl Component for Composer {
         context.dirty_areas.push_back(area);
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match (&mut self.mode, &mut self.reply_context) {
             (ViewMode::Pager, _) => {
                 /* Cannot mutably borrow in pattern guard, pah! */
diff --git a/ui/src/components/mail/listing.rs b/ui/src/components/mail/listing.rs
index 326d78414..15381b2cc 100644
--- a/ui/src/components/mail/listing.rs
+++ b/ui/src/components/mail/listing.rs
@@ -61,7 +61,7 @@ impl Component for Listing {
             Listing::Threaded(l) => l.draw(grid, area, context),
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if match self {
             Listing::Plain(l) => l.process_event(event, context),
             Listing::Compact(l) => l.process_event(event, context),
diff --git a/ui/src/components/mail/listing/compact.rs b/ui/src/components/mail/listing/compact.rs
index 3c5123e91..f1b5f6c74 100644
--- a/ui/src/components/mail/listing/compact.rs
+++ b/ui/src/components/mail/listing/compact.rs
@@ -381,7 +381,7 @@ impl Component for CompactListing {
         }
         self.dirty = false;
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if let Some(ref mut v) = self.view {
             if v.process_event(event, context) {
                 return true;
diff --git a/ui/src/components/mail/listing/plain.rs b/ui/src/components/mail/listing/plain.rs
index 90c100457..6e7f53dbc 100644
--- a/ui/src/components/mail/listing/plain.rs
+++ b/ui/src/components/mail/listing/plain.rs
@@ -417,7 +417,7 @@ impl Component for PlainListing {
             self.dirty = false;
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if let Some(ref mut v) = self.view {
             if v.process_event(event, context) {
                 return true;
diff --git a/ui/src/components/mail/listing/thread.rs b/ui/src/components/mail/listing/thread.rs
index 25fd52c94..d6e186614 100644
--- a/ui/src/components/mail/listing/thread.rs
+++ b/ui/src/components/mail/listing/thread.rs
@@ -550,7 +550,7 @@ impl Component for ThreadListing {
             self.dirty = false;
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if let Some(ref mut v) = self.view {
             if v.process_event(event, context) {
                 return true;
diff --git a/ui/src/components/mail/view.rs b/ui/src/components/mail/view.rs
index 335609854..31d334ddc 100644
--- a/ui/src/components/mail/view.rs
+++ b/ui/src/components/mail/view.rs
@@ -360,7 +360,7 @@ impl Component for MailView {
         }
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match self.mode {
             ViewMode::Subview => {
                 if let Some(s) = self.subview.as_mut() {
@@ -414,7 +414,7 @@ impl Component for MailView {
                 let envelope: &Envelope = &mailbox.collection[&self.coordinates.2];
                 let mut entries = Vec::new();
                 entries.push((envelope.from()[0].get_email().into_bytes(), format!("{}", envelope.from()[0])));
-                entries.push((String::from("foo@bar.de").into_bytes(), String::from("Johann de Vir <foo@bar.de>")));
+                entries.push((envelope.to()[0].get_email().into_bytes(), format!("{}", envelope.to()[0])));
                 self.mode = ViewMode::ContactSelector(Selector::new(entries, true));
                 self.dirty = true;
                 //context.accounts.context(self.coordinates.0).address_book.add_card(new_card);
diff --git a/ui/src/components/mail/view/envelope.rs b/ui/src/components/mail/view/envelope.rs
index caf78dc5f..f08c90187 100644
--- a/ui/src/components/mail/view/envelope.rs
+++ b/ui/src/components/mail/view/envelope.rs
@@ -315,7 +315,7 @@ impl Component for EnvelopeView {
         }
     }
 
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if let Some(ref mut sub) = self.subview {
             if sub.process_event(event, context) {
                 return true;
diff --git a/ui/src/components/mail/view/html.rs b/ui/src/components/mail/view/html.rs
index d802a2bf7..bed8e2167 100644
--- a/ui/src/components/mail/view/html.rs
+++ b/ui/src/components/mail/view/html.rs
@@ -66,7 +66,7 @@ impl Component for HtmlView {
     fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
         self.pager.draw(grid, area, context);
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.pager.process_event(event, context) {
             return true;
         }
diff --git a/ui/src/components/mail/view/thread.rs b/ui/src/components/mail/view/thread.rs
index 7027065e3..5b1069388 100644
--- a/ui/src/components/mail/view/thread.rs
+++ b/ui/src/components/mail/view/thread.rs
@@ -540,7 +540,7 @@ impl Component for ThreadView {
             self.draw_horz(grid, area, context);
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.mailview.process_event(event, context) {
             return true;
         }
diff --git a/ui/src/components/notifications.rs b/ui/src/components/notifications.rs
index 40a3650a7..7fd846ede 100644
--- a/ui/src/components/notifications.rs
+++ b/ui/src/components/notifications.rs
@@ -39,7 +39,7 @@ impl fmt::Display for XDGNotifications {
 
 impl Component for XDGNotifications {
     fn draw(&mut self, _grid: &mut CellBuffer, _area: Area, _context: &mut Context) {}
-    fn process_event(&mut self, event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
         if let UIEventType::Notification(ref title, ref body) = event.event_type {
             notify_Notification::new()
                 .appname("meli")
diff --git a/ui/src/components/utilities.rs b/ui/src/components/utilities.rs
index 3205b8231..801dfa766 100644
--- a/ui/src/components/utilities.rs
+++ b/ui/src/components/utilities.rs
@@ -88,7 +88,7 @@ impl Component for HSplit {
             context,
         );
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         self.top.rcv_event(event, context) || self.bottom.rcv_event(event, context)
     }
     fn is_dirty(&self) -> bool {
@@ -175,7 +175,7 @@ impl Component for VSplit {
             .component
             .draw(grid, ((mid + 1, get_y(upper_left)), bottom_right), context);
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         (self.left.rcv_event(event, context) || self.right.rcv_event(event, context))
     }
     fn is_dirty(&self) -> bool {
@@ -380,7 +380,7 @@ impl Component for Pager {
         }
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::Input(Key::Char('k')) => {
                 if self.cursor_pos > 0 {
@@ -547,7 +547,7 @@ impl Component for StatusBar {
             _ => {}
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.container.rcv_event(event, context) {
             return true;
         }
@@ -655,7 +655,7 @@ impl fmt::Display for TextBox {
 
 impl Component for TextBox {
     fn draw(&mut self, _grid: &mut CellBuffer, _area: Area, _context: &mut Context) {}
-    fn process_event(&mut self, _event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, _event: &mut UIEvent, _context: &mut Context) -> bool {
         false
     }
     fn set_dirty(&mut self) {}
@@ -708,7 +708,7 @@ impl Component for Progress {
     fn draw(&mut self, _grid: &mut CellBuffer, _area: Area, _context: &mut Context) {
         unimplemented!()
     }
-    fn process_event(&mut self, _event: &UIEvent, _context: &mut Context) -> bool {
+    fn process_event(&mut self, _event: &mut UIEvent, _context: &mut Context) -> bool {
         false
     }
     fn set_dirty(&mut self) {}
@@ -792,7 +792,7 @@ impl Component for Tabbed {
             self.children[self.cursor_pos].draw(grid, area, context);
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::Input(Key::Char('T')) => {
                 self.cursor_pos = (self.cursor_pos + 1) % self.children.len();
@@ -811,6 +811,12 @@ impl Component for Tabbed {
                 self.children[self.cursor_pos].set_dirty();
                 return true;
             }
+            UIEventType::Action(Tab(TabOpen(ref mut e))) if e.is_some() => {
+                self.add_component(e.take().unwrap());
+                self.cursor_pos = self.children.len() - 1;
+                self.children[self.cursor_pos].set_dirty();
+                return true;
+            }
             UIEventType::Action(Tab(Close)) => {
                 let id = *self.children[self.cursor_pos].id();
                 self.children[self.cursor_pos].kill(id);
@@ -874,7 +880,7 @@ impl Component for Selector {
         );
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         let (width, height) = self.content.size();
         match event.event_type {
             UIEventType::Input(Key::Char(' ')) => {
diff --git a/ui/src/components/utilities/widgets.rs b/ui/src/components/utilities/widgets.rs
index 971ae11d4..78b8e9313 100644
--- a/ui/src/components/utilities/widgets.rs
+++ b/ui/src/components/utilities/widgets.rs
@@ -120,7 +120,7 @@ impl Component for FormWidget {
         self.dirty = false;
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         if self.focus == FormFocus::Buttons {
             if self.buttons.process_event(event, context) {
                 return true;
@@ -256,7 +256,7 @@ impl<T> Component for ButtonWidget<T> where T: std::fmt::Debug + Default + Send
             len += cur_len + 3;
         }
     }
-    fn process_event(&mut self, event: &UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::Input(Key::Char('\n')) => {
                 self.result = Some(self.buttons.remove(&self.layout[self.cursor]).unwrap_or_default());
diff --git a/ui/src/execute/actions.rs b/ui/src/execute/actions.rs
index cd80b0a3d..a6b08f36e 100644
--- a/ui/src/execute/actions.rs
+++ b/ui/src/execute/actions.rs
@@ -24,7 +24,7 @@
  */
 
 pub use melib::mailbox::{SortField, SortOrder};
-use components::Entity;
+use components::Component;
 
 extern crate uuid;
 use uuid::Uuid;
@@ -38,7 +38,7 @@ pub enum ListingAction {
 
 #[derive(Debug, )]
 pub enum TabAction {
-    EntityOpen(Entity),
+    TabOpen(Option<Box<Component>>),
     NewDraft,
     Reply((usize, usize, usize), usize), // thread coordinates (account, mailbox, root_set idx) and message idx
     Close,
diff --git a/ui/src/state.rs b/ui/src/state.rs
index 73187339b..8a672415a 100644
--- a/ui/src/state.rs
+++ b/ui/src/state.rs
@@ -453,7 +453,7 @@ impl State {
     }
 
     /// The application's main loop sends `UIEvents` to state via this method.
-    pub fn rcv_event(&mut self, event: UIEvent) {
+    pub fn rcv_event(&mut self, mut event: UIEvent) {
         match event.event_type {
             // Command type is handled only by State.
             UIEventType::Command(cmd) => {
@@ -483,7 +483,7 @@ impl State {
         }
         /* inform each entity */
         for i in 0..self.entities.len() {
-            self.entities[i].rcv_event(&event, &mut self.context);
+            self.entities[i].rcv_event(&mut event, &mut self.context);
         }
 
         if !self.context.replies.is_empty() {