Fix clippy warnings

17 files changed, 67 insertions, 240 deletions

diff --git a/melib/src/addressbook.rs b/melib/src/addressbook.rs
index 86022008..b0920ebb 100644
--- a/melib/src/addressbook.rs
+++ b/melib/src/addressbook.rs
@@ -146,7 +146,7 @@ impl Card {
         self.id = new;
     }
     pub fn set_title(&mut self, new: &str) {
-        self.title = new.to_string();()
+        self.title = new.to_string();
     }
     pub fn set_firstname(&mut self, new: &str) {
         self.firstname = new.to_string();
@@ -217,3 +217,9 @@ impl From<FnvHashMap<String, String>> for Card {
         card
     }
 }
+
+impl Default for Card {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/melib/src/mailbox/backends.rs b/melib/src/mailbox/backends.rs
index b401da34..ca5aa23b 100644
--- a/melib/src/mailbox/backends.rs
+++ b/melib/src/mailbox/backends.rs
@@ -72,7 +72,7 @@ impl Backends {
         self.map[key]()
     }
 
-    pub fn register(&mut self, key: String, backend: Box<Fn() -> BackendCreator>) -> () {
+    pub fn register(&mut self, key: String, backend: Box<Fn() -> BackendCreator>) {
         if self.map.contains_key(&key) {
             panic!("{} is an already registered backend", key);
         }
@@ -116,7 +116,7 @@ impl RefreshEventConsumer {
     pub fn new(b: Box<Fn(RefreshEvent) -> ()>) -> Self {
         RefreshEventConsumer(b)
     }
-    pub fn send(&self, r: RefreshEvent) -> () {
+    pub fn send(&self, r: RefreshEvent) {
         self.0(r);
     }
 }
@@ -141,7 +141,7 @@ impl NotifyFn {
     pub fn new(b: Box<Fn() -> ()>) -> Self {
         NotifyFn(b)
     }
-    pub fn notify(&self) -> () {
+    pub fn notify(&self) {
         self.0();
     }
 }
@@ -203,7 +203,7 @@ pub trait BackendOp: ::std::fmt::Debug + ::std::marker::Send {
     fn fetch_headers(&mut self) -> Result<&[u8]>;
     fn fetch_body(&mut self) -> Result<&[u8]>;
     fn fetch_flags(&self) -> Flag;
-    fn set_flag(&mut self, &mut Envelope, &Flag) -> Result<()>;
+    fn set_flag(&mut self, &mut Envelope, Flag) -> Result<()>;
 }
 
 /// `BackendOpGenerator` is a wrapper for a closure that returns a `BackendOp` object
diff --git a/melib/src/mailbox/backends/maildir.rs b/melib/src/mailbox/backends/maildir.rs
index f240b4d8..676584aa 100644
--- a/melib/src/mailbox/backends/maildir.rs
+++ b/melib/src/mailbox/backends/maildir.rs
@@ -123,7 +123,7 @@ impl<'a> BackendOp for MaildirOp {
         flag
     }
 
-    fn set_flag(&mut self, envelope: &mut Envelope, f: &Flag) -> Result<()> {
+    fn set_flag(&mut self, envelope: &mut Envelope, f: Flag) -> Result<()> {
         let path = self.path();
         let path = path.to_str().unwrap(); // Assume UTF-8 validity
         let idx: usize = path
@@ -132,10 +132,10 @@ impl<'a> BackendOp for MaildirOp {
             + 3;
         let mut new_name: String = path[..idx].to_string();
         let mut flags = self.fetch_flags();
-        if !(flags & *f).is_empty() {
+        if !(flags & f).is_empty() {
             return Ok(());
         }
-        flags.toggle(*f);
+        flags.toggle(f);
         if !(flags & Flag::DRAFT).is_empty() {
             new_name.push('D');
         }
diff --git a/melib/src/mailbox/backends/maildir/backend.rs b/melib/src/mailbox/backends/maildir/backend.rs
index abb8f243..afb5d06f 100644
--- a/melib/src/mailbox/backends/maildir/backend.rs
+++ b/melib/src/mailbox/backends/maildir/backend.rs
@@ -342,7 +342,7 @@ impl MailBackend for MaildirType {
                 eprintln!("saving at {}", path.display());
                 let file = fs::File::create(path)?;
                 let mut writer = io::BufWriter::new(file);
-                writer.write(&message.into_bytes())?;
+                writer.write_all(&message.into_bytes())?;
                 return Ok(());
             }
         }
diff --git a/melib/src/mailbox/email.rs b/melib/src/mailbox/email.rs
index 290b23e6..8cc16fec 100644
--- a/melib/src/mailbox/email.rs
+++ b/melib/src/mailbox/email.rs
@@ -616,22 +616,22 @@ impl Envelope {
     pub fn message_id_raw(&self) -> Cow<str> {
         String::from_utf8_lossy(self.message_id.raw())
     }
-    fn set_date(&mut self, new_val: &[u8]) -> () {
+    fn set_date(&mut self, new_val: &[u8])  {
         self.date = String::from_utf8_lossy(new_val).into_owned();
     }
-    fn set_bcc(&mut self, new_val: Vec<Address>) -> () {
+    fn set_bcc(&mut self, new_val: Vec<Address>)  {
         self.bcc = new_val;
     }
-    fn set_cc(&mut self, new_val: Vec<Address>) -> () {
+    fn set_cc(&mut self, new_val: Vec<Address>)  {
         self.cc = new_val;
     }
-    fn set_from(&mut self, new_val: Vec<Address>) -> () {
+    fn set_from(&mut self, new_val: Vec<Address>)  {
         self.from = new_val;
     }
-    fn set_to(&mut self, new_val: Vec<Address>) -> () {
+    fn set_to(&mut self, new_val: Vec<Address>)  {
         self.to = new_val;
     }
-    fn set_in_reply_to(&mut self, new_val: &[u8]) -> () {
+    fn set_in_reply_to(&mut self, new_val: &[u8])  {
         let slice = match parser::message_id(new_val).to_full_result() {
             Ok(v) => v,
             Err(_) => {
@@ -641,10 +641,10 @@ impl Envelope {
         };
         self.in_reply_to = Some(MessageID::new(new_val, slice));
     }
-    fn set_subject(&mut self, new_val: Vec<u8>) -> () {
+    fn set_subject(&mut self, new_val: Vec<u8>)  {
         self.subject = Some(new_val);
     }
-    fn set_message_id(&mut self, new_val: &[u8]) -> () {
+    fn set_message_id(&mut self, new_val: &[u8])  {
         let slice = match parser::message_id(new_val).to_full_result() {
             Ok(v) => v,
             Err(_) => {
@@ -653,7 +653,7 @@ impl Envelope {
         };
         self.message_id = MessageID::new(new_val, slice);
     }
-    fn push_references(&mut self, new_val: &[u8]) -> () {
+    fn push_references(&mut self, new_val: &[u8])  {
         let slice = match parser::message_id(new_val).to_full_result() {
             Ok(v) => v,
             Err(_) => {
@@ -685,7 +685,7 @@ impl Envelope {
             }
         }
     }
-    fn set_references(&mut self, new_val: &[u8]) -> () {
+    fn set_references(&mut self, new_val: &[u8])  {
         match self.references {
             Some(ref mut s) => {
                 s.raw = new_val.into();
@@ -713,14 +713,14 @@ impl Envelope {
     pub fn thread(&self) -> usize {
         self.thread
     }
-    pub fn set_thread(&mut self, new_val: usize) -> () {
+    pub fn set_thread(&mut self, new_val: usize)  {
         self.thread = new_val;
     }
-    pub fn set_datetime(&mut self, new_val: chrono::DateTime<chrono::FixedOffset>) -> () {
+    pub fn set_datetime(&mut self, new_val: chrono::DateTime<chrono::FixedOffset>)  {
         self.timestamp = new_val.timestamp() as UnixTimestamp;
     }
     pub fn set_flag(&mut self, f: Flag, mut operation: Box<BackendOp>) -> Result<()> {
-        operation.set_flag(self, &f)?;
+        operation.set_flag(self, f)?;
         self.flags |= f;
         Ok(())
     }
diff --git a/melib/src/mailbox/email/compose.rs b/melib/src/mailbox/email/compose.rs
index d5cea96b..e027cf7f 100644
--- a/melib/src/mailbox/email/compose.rs
+++ b/melib/src/mailbox/email/compose.rs
@@ -6,7 +6,7 @@ use std::str;
 mod random;
 mod mime;
 
-use self::mime::*;
+//use self::mime::*;
 
 use super::parser;
 
diff --git a/melib/src/mailbox/email/compose/mime.rs b/melib/src/mailbox/email/compose/mime.rs
index 4563e55b..8252c34d 100644
--- a/melib/src/mailbox/email/compose/mime.rs
+++ b/melib/src/mailbox/email/compose/mime.rs
@@ -1 +1 @@
-use super::*;
+//use super::*;
diff --git a/melib/src/mailbox/email/parser.rs b/melib/src/mailbox/email/parser.rs
index e08349e8..5b0e0b75 100644
--- a/melib/src/mailbox/email/parser.rs
+++ b/melib/src/mailbox/email/parser.rs
@@ -48,7 +48,7 @@ pub trait BytesExt {
 impl BytesExt for [u8] {
     fn rtrim(&self) -> &Self {
         if let Some(last) = self.iter().rposition(|b| !is_whitespace!(*b)) {
-            &self[..last + 1]
+            &self[..=last]
         } else {
             &[]
         }
@@ -155,7 +155,7 @@ pub fn headers_raw(input: &[u8]) -> IResult<&[u8], &[u8]> {
     }
     for (i, x) in input.iter().enumerate() {
         if *x == b'\n' && i + 1 < input.len() && input[i + 1] == b'\n' {
-            return IResult::Done(&input[(i + 1)..], &input[0..i + 1]);
+            return IResult::Done(&input[(i + 1)..], &input[0..=i]);
         }
     }
     IResult::Error(error_code!(ErrorKind::Custom(43)))
@@ -383,14 +383,14 @@ fn addr_spec(input: &[u8]) -> IResult<&[u8], Address> {
             IResult::Done(
                 &input[end..],
                 Address::Mailbox(MailboxAddress {
-                    raw: input[0..end + 1].into(),
+                    raw: input[0..=end].into(),
                     display_name: StrBuilder {
                         offset: 0,
                         length: 0,
                     },
                     address_spec: StrBuilder {
                         offset: 0,
-                        length: input[0..end + 1].len(),
+                        length: input[0..=end].len(),
                     },
                 }),
             )
@@ -517,7 +517,7 @@ fn message_id_peek(input: &[u8]) -> IResult<&[u8], &[u8]> {
     } else {
         for (i, &x) in input.iter().take(input_length).enumerate().skip(1) {
             if x == b'>' {
-                return IResult::Done(&input[i + 1..], &input[0..i + 1]);
+                return IResult::Done(&input[i + 1..], &input[0..=i]);
             }
         }
         IResult::Incomplete(Needed::Unknown)
diff --git a/melib/src/mailbox/thread.rs b/melib/src/mailbox/thread.rs
index 9b6baf0a..0d72d6df 100644
--- a/melib/src/mailbox/thread.rs
+++ b/melib/src/mailbox/thread.rs
@@ -512,16 +512,14 @@ impl Threads {
                     remove_from_parent!(thread_nodes, idx);
                     remove_from_parent!(thread_nodes, child);
                     return true; // Pruned
-                } else {
-                    if let Some(p) = thread_nodes[idx].parent {
-                        let orphans = thread_nodes[idx].children.clone();
-                        for c in orphans {
-                            make!((p) parent of (c), thread_nodes);
-                        }
-                        remove_from_parent!(thread_nodes, idx);
-                        thread_nodes[idx].children.clear();
-                        return true; // Pruned
+                } else if let Some(p) = thread_nodes[idx].parent {
+                    let orphans = thread_nodes[idx].children.clone();
+                    for c in orphans {
+                        make!((p) parent of (c), thread_nodes);
                     }
+                    remove_from_parent!(thread_nodes, idx);
+                    thread_nodes[idx].children.clear();
+                    return true; // Pruned
                 }
             }
 
diff --git a/ui/src/components/contacts.rs b/ui/src/components/contacts.rs
index 8c0ae1fd..8488a80f 100644
--- a/ui/src/components/contacts.rs
+++ b/ui/src/components/contacts.rs
@@ -28,10 +28,10 @@ pub use self::contact_list::*;
 
 #[derive(Debug)]
 enum ViewMode {
-    ReadOnly,
+    //ReadOnly,
     Read,
-    Edit,
-    New,
+    //Edit,
+    //New,
 }
 
 #[derive(Debug)]
@@ -69,9 +69,9 @@ impl fmt::Display for ContactManager {
 
 impl ContactManager {
     fn initialize(&mut self) {
-        let (width, height) = self.content.size();
+        let (width, _) = self.content.size();
 
-        let (x, y) = write_string_to_grid(
+        let (x, _) = write_string_to_grid(
             "Contact Name  ",
             &mut self.content,
             Color::Byte(33),
@@ -79,7 +79,7 @@ impl ContactManager {
             ((0, 0), (width, 0)),
             false,
             );
-        let (x, y) = write_string_to_grid(
+        let (x, _) = write_string_to_grid(
             "Last edited: ",
             &mut self.content,
             Color::Byte(250),
@@ -87,7 +87,7 @@ impl ContactManager {
             ((x, 0), (width, 0)),
             false,
             );
-        let (x, y) = write_string_to_grid(
+        write_string_to_grid(
             &self.card.last_edited(),
             &mut self.content,
             Color::Byte(250),
@@ -115,7 +115,7 @@ impl Component for ContactManager {
             self.initialized = true;
         }
         clear_area(grid, area);
-        let (width, height) = self.content.size();
+        let (width, _height) = self.content.size();
         copy_area(grid, &self.content, area, ((0, 0), (width - 1, 0)));
 
         let upper_left = upper_left!(area);
diff --git a/ui/src/components/mail/accounts.rs b/ui/src/components/mail/accounts.rs
index 56c71095..8fdc620b 100644
--- a/ui/src/components/mail/accounts.rs
+++ b/ui/src/components/mail/accounts.rs
@@ -19,10 +19,6 @@
  * along with meli. If not, see <http://www.gnu.org/licenses/>.
  */
 
-mod contacts;
-
-pub use contacts::*;
-
 use super::*;
 use std::fmt;
 
diff --git a/ui/src/components/mail/accounts/contacts.rs b/ui/src/components/mail/accounts/contacts.rs
deleted file mode 100644
index 61b8cbaa..00000000
--- a/ui/src/components/mail/accounts/contacts.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * meli - ui crate.
- *
- * Copyright 2019 Manos Pitsidianakis
- *
- * This file is part of meli.
- *
- * meli is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * meli is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with meli. If not, see <http://www.gnu.org/licenses/>.
- */
-
-use super::*;
-
-#[derive(Debug)]
-pub struct ContactsPanel {
-    content: CellBuffer,
-    dirty: bool,
-}
-
-impl fmt::Display for ContactsPanel {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "contacts")
-    }
-}
-
-
-impl Component for ContactsPanel {
-    fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
-        if self.dirty {
-            self.dirty = false;
-        }
-        clear_area(grid, area);
-
-        let (width, height) = self.content.size();
-        copy_area(grid, &self.content, area, ((0, 0), (width - 1, height - 1)));
-        context.dirty_areas.push_back(area);
-    }
-    fn process_event(&mut self, _event: &mut UIEvent, _context: &mut Context) -> bool {
-        false
-    }
-    fn is_dirty(&self) -> bool {
-        self.dirty
-    }
-    fn set_dirty(&mut self) {
-        self.dirty = true;
-    }
-}
-
-impl ContactsPanel {
-    pub fn new(context: &Context) -> ContactsPanel {
-        let mut content = CellBuffer::new(120, 25 + context.accounts.len() * 20, Cell::default());
-        write_string_to_grid(
-            "Contacts",
-            &mut content,
-            Color::Default,
-            Color::Default,
-            ((2, 3), (120 - 1, 3)),
-            true,
-            );
-
-        for (i, a) in context.accounts.iter().enumerate() {
-            create_box(&mut content, ((2,5+i*10 ), (120-1, 15+i*10)));
-            let (x, y) = write_string_to_grid(
-                a.name(),
-                &mut content,
-                Color::Default,
-                Color::Default,
-                ((3, 5 + i*10), (120 - 2, 5 + i*10)),
-                true,
-                );
-            write_string_to_grid(
-                " ▒██▒ ",
-                &mut content,
-                Color::Byte(32),
-                Color::Default,
-                ((x, y), (120 - 2, 5 + i*10)),
-                true,
-                );
-            write_string_to_grid(
-                &a.runtime_settings.account().identity,
-                &mut content,
-                Color::Default,
-                Color::Default,
-                ((4, y + 2), (120 - 2, y + 2)),
-                true,
-                );
-
-        }
-
-        ContactsPanel {
-            content,
-            dirty: true,
-        }
-    }
-}
diff --git a/ui/src/components/mail/compose.rs b/ui/src/components/mail/compose.rs
index 3137df32..00d2493e 100644
--- a/ui/src/components/mail/compose.rs
+++ b/ui/src/components/mail/compose.rs
@@ -29,7 +29,7 @@ use std::str::FromStr;
 enum Cursor {
     Headers,
     Body,
-    Attachments,
+    //Attachments,
 }
 
 #[derive(Debug)]
@@ -71,7 +71,7 @@ impl Default for Composer {
 enum ViewMode {
     Discard(Uuid),
     Pager,
-    Selector(Selector),
+    //Selector(Selector),
     Overview,
 }
 
@@ -99,14 +99,6 @@ impl ViewMode {
             false
         }
     }
-
-    fn is_selector(&self) -> bool {
-        if let ViewMode::Selector(_) = self {
-            true
-        } else {
-            false
-        }
-    }
 }
 
 impl fmt::Display for Composer {
@@ -183,34 +175,7 @@ impl Composer {
         }
     }
 
-    fn draw_header_table(&mut self, grid: &mut CellBuffer, area: Area) {
-        let upper_left = upper_left!(area);
-        let bottom_right = bottom_right!(area);
-
-        let headers = self.draft.headers();
-        {
-            let (mut x, mut y) = upper_left;
-            for &k in &["Date", "From", "To", "Cc", "Bcc", "Subject"] {
-                let bg_color = Color::Default;
-
-
-                let update = {
-                    let (x, y) = write_string_to_grid(
-                        k,
-                        grid,
-                        Color::Default,
-                        bg_color,
-                        ((x, y), set_y(bottom_right, y)),
-                        true,
-                    );
-                    let (x, y) = write_string_to_grid(
-                        ": ",
-                        grid,
-                        Color::Default,
-                        bg_color,
-                        ((x, y), set_y(bottom_right, y)),
-                        true,
-                    );
+    /*
                     let (x, y) = if k == "From" {
                         write_string_to_grid(
                             "◀ ",
@@ -240,15 +205,7 @@ impl Composer {
                             ((x, y), set_y(bottom_right, y)),
                             true,
                         )
-                    } else {
-                        (x, y)
-                    }
-                };
-                x = get_x(upper_left);
-                y = update.1 + 1;
-            }
-        }
-    }
+                        */
 }
 
 impl Component for Composer {
@@ -341,9 +298,6 @@ impl Component for Composer {
             ViewMode::Overview | ViewMode::Pager => {
                 self.pager.draw(grid, body_area, context);
             },
-            ViewMode::Selector(ref mut s) => {
-                s.draw(grid, body_area, context);
-            },
             ViewMode::Discard(_) => {
                 /* Let user choose whether to quit with/without saving or cancel */
                 let mid_x = width!(area) / 2;
@@ -421,12 +375,6 @@ impl Component for Composer {
                     return true;
                 }
             },
-            (ViewMode::Selector(ref mut s), _) => {
-                if s.process_event(event, context) {
-                    self.dirty = true;
-                    return true;
-                }
-            },
             _ => {}
         }
         if self.form.process_event(event, context) {
@@ -434,19 +382,6 @@ impl Component for Composer {
         }
 
         match event.event_type {
-            UIEventType::Input(Key::Esc) if self.mode.is_selector() => {
-                self.mode = ViewMode::Overview;
-                return true;
-            },
-            UIEventType::Input(Key::Char('\n')) if self.mode.is_selector() => {
-                let mut old_mode = std::mem::replace(&mut self.mode, ViewMode::Overview);
-                if let ViewMode::Selector(s) = old_mode {
-                    eprintln!("collected {:?}", s.collect());
-                } else {
-                    unreachable!()
-                }
-                return true;
-            },
             UIEventType::Resize => {
                 self.set_dirty();
             },
diff --git a/ui/src/components/mail/listing/compact.rs b/ui/src/components/mail/listing/compact.rs
index e39f27d6..2af9d6e8 100644
--- a/ui/src/components/mail/listing/compact.rs
+++ b/ui/src/components/mail/listing/compact.rs
@@ -525,7 +525,7 @@ impl Component for CompactListing {
     }
 
     fn get_shortcuts(&self) -> ShortcutMap {
-        let mut map = self.view.as_ref().map(|p| p.get_shortcuts()).unwrap_or(ShortcutMap::default());
+        let mut map = self.view.as_ref().map(|p| p.get_shortcuts()).unwrap_or_default();
 
         map.insert(Key::Char('\n'), "Open thread.".into());
         map.insert(Key::PageUp, "Go to previous page.".into());
diff --git a/ui/src/components/utilities.rs b/ui/src/components/utilities.rs
index cde01e22..a1a81a0a 100644
--- a/ui/src/components/utilities.rs
+++ b/ui/src/components/utilities.rs
@@ -397,7 +397,7 @@ impl Component for Pager {
         }
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &mut 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 {
@@ -937,7 +937,7 @@ impl Component for Selector {
         );
         context.dirty_areas.push_back(area);
     }
-    fn process_event(&mut self, event: &mut 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 090885ae..2f522ca6 100644
--- a/ui/src/components/utilities/widgets.rs
+++ b/ui/src/components/utilities/widgets.rs
@@ -72,7 +72,7 @@ impl Field {
             },
             TextArea(_, _) => {
             },
-            Choice(_, cursor) => {
+            Choice(_, _cursor) => {
 
             }
         }
@@ -80,7 +80,7 @@ impl Field {
 }
 
 impl Component for Field {
-    fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
+    fn draw(&mut self, grid: &mut CellBuffer, area: Area, _context: &mut Context) {
             write_string_to_grid(
                 self.as_str(),
                 grid,
@@ -89,7 +89,7 @@ impl Component for Field {
                 area,
                 true);
     }
-    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
+    fn process_event(&mut self, event: &mut UIEvent, _context: &mut Context) -> bool {
         match event.event_type {
             UIEventType::InsertInput(Key::Right) => {
                 match self {
@@ -294,10 +294,8 @@ impl Component for FormWidget {
         context.dirty_areas.push_back(area);
     }
     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;
-            }
+        if self.focus == FormFocus::Buttons && self.buttons.process_event(event, context) {
+            return true;
         }
 
         match event.event_type {
@@ -341,7 +339,7 @@ impl Component for FormWidget {
             UIEventType::ChangeMode(UIMode::Normal) if self.focus == FormFocus::TextInput => {
                 self.focus = FormFocus::Fields;
             },
-            UIEventType::InsertInput(Key::Char(k)) if self.focus == FormFocus::TextInput => {
+            UIEventType::InsertInput(Key::Char(_)) if self.focus == FormFocus::TextInput => {
                 let field = self.fields.get_mut(&self.layout[self.cursor]).unwrap();
                 field.process_event(event, context);
             },
@@ -402,14 +400,13 @@ impl<T> ButtonWidget<T> where T: std::fmt::Debug + Default + Send {
 
 
 impl<T> Component for ButtonWidget<T> where T: std::fmt::Debug + Default + Send {
-    fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
+    fn draw(&mut self, grid: &mut CellBuffer, area: Area, _context: &mut Context) {
         let upper_left = upper_left!(area);
-        let bottom_right = bottom_right!(area);
 
             let mut len = 0;
         for (i, k) in self.layout.iter().enumerate() {
             let cur_len = k.len();
-            let (x, y) = write_string_to_grid(
+            write_string_to_grid(
                 k.as_str(),
                 grid,
                 Color::Default,
@@ -420,7 +417,7 @@ impl<T> Component for ButtonWidget<T> where T: std::fmt::Debug + Default + Send
             len += cur_len + 3;
         }
     }
-    fn process_event(&mut self, event: &mut 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/types/keys.rs b/ui/src/types/keys.rs
index 6be97782..e3db0176 100644
--- a/ui/src/types/keys.rs
+++ b/ui/src/types/keys.rs
@@ -201,7 +201,7 @@ derive_csi_sequence!("End Bracketed Paste Mode", BracketModeEnd, "?2003l");
 pub const BRACKET_PASTE_START: &[u8] = b"\x1B[200~";
 pub const BRACKET_PASTE_END: &[u8] = b"\x1B[201~";
 
-const FIELDS: &'static [&'static str] = &[];
+const FIELDS: &[&str] = &[];
 
 
 impl<'de> Deserialize<'de> for Key {