meli: clippy lint fixes

Cargo.lock

@@ -1995,9 +1995,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "svg"
-version = "0.10.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e72d8b19ab05827afefcca66bf47040c1e66a0901eb814784c77d4ec118bd309"
+checksum = "02d815ad337e8449d2374d4248448645edfe74e699343dd5719139d93fa87112"
 
 [[package]]
 name = "syn"

Cargo.toml

@@ -49,7 +49,7 @@ signal-hook = { version = "^0.3", default-features = false }
 signal-hook-registry = { version = "1.2.0", default-features = false }
 smallvec = { version = "^1.5.0", features = ["serde", ] }
 structopt = { version = "0.3.14", default-features = false }
-svg_crate = { version = "^0.10", optional = true, package = "svg" }
+svg_crate = { version = "^0.13", optional = true, package = "svg" }
 termion = { version = "1.5.1", default-features = false }
 toml = { version = "0.5.6", default-features = false, features = ["preserve_order", ] }
 unicode-segmentation = "1.2.1" # >:c

src/components/mail/compose.rs

@@ -1436,15 +1436,13 @@ impl Component for Composer {
                 ViewMode::SelectEncryptKey(is_encrypt, ref mut selector),
                 UIEvent::FinishedUIDialog(id, result),
             ) if *id == selector.id() => {
-                if let Some(key) = result.downcast_mut::<Option<melib::gpgme::Key>>() {
+                if let Some(Some(key)) = result.downcast_mut::<Option<melib::gpgme::Key>>() {
-                    if let Some(key) = key {
+                    if *is_encrypt {
-                        if *is_encrypt {
+                        self.gpg_state.encrypt_keys.clear();
-                            self.gpg_state.encrypt_keys.clear();
+                        self.gpg_state.encrypt_keys.push(key.clone());
-                            self.gpg_state.encrypt_keys.push(key.clone());
+                    } else {
-                        } else {
+                        self.gpg_state.sign_keys.clear();
-                            self.gpg_state.sign_keys.clear();
+                        self.gpg_state.sign_keys.push(key.clone());
-                            self.gpg_state.sign_keys.push(key.clone());
-                        }
                     }
                 }
                 self.mode = ViewMode::Edit;

src/components/mail/compose/hooks.rs

@@ -26,6 +26,7 @@ use melib::email::headers::HeaderName;
 
 use super::*;
 
+#[allow(clippy::type_complexity)]
 pub enum HookFn {
     /// Stateful hook.
     Closure(Box<dyn FnMut(&mut Context, &mut Draft) -> Result<()> + Send + Sync>),

src/components/mail/listing.rs

@@ -1195,7 +1195,7 @@ impl Component for Listing {
                 to,
                 ref content,
             } if (*from, *to) == (self.component.id(), self.id()) => {
-                match content.downcast_ref::<ListingMessage>().map(|msg| *msg) {
+                match content.downcast_ref::<ListingMessage>().copied() {
                     None => {}
                     Some(ListingMessage::FocusUpdate { new_value }) => {
                         self.view.process_event(
@@ -1241,7 +1241,7 @@ impl Component for Listing {
                     log::debug!(
                         "BUG intracomm event: {:?} downcast content {:?}",
                         event,
-                        content.downcast_ref::<ListingMessage>().map(|msg| *msg)
+                        content.downcast_ref::<ListingMessage>().copied()
                     );
                     log::debug!(
                         "BUG component is {} and self id is {}",
@@ -1264,12 +1264,11 @@ impl Component for Listing {
                 }
             }
         }
-        if self.focus == ListingFocus::Mailbox && self.status.is_none() {
+        if (self.focus == ListingFocus::Mailbox && self.status.is_none())
-            if self.component.unfocused() && self.view.process_event(event, context) {
+            && ((self.component.unfocused() && self.view.process_event(event, context))
-                return true;
+                || self.component.process_event(event, context))
-            } else if self.component.process_event(event, context) {
+        {
-                return true;
+            return true;
-            }
         }
 
         let shortcuts = self.shortcuts(context);
@@ -2239,7 +2238,7 @@ impl Listing {
                 first_account_hash,
                 MailboxHash::default(),
             ))),
-            view: Box::new(ThreadView::default()),
+            view: Box::<ThreadView>::default(),
             accounts: account_entries,
             status: None,
             dirty: true,

src/components/mail/listing/compact.rs

@@ -971,6 +971,7 @@ impl CompactListing {
         })
     }
 
+    #[allow(clippy::too_many_arguments)]
     fn make_entry_string(
         &self,
         root_envelope: &Envelope,

src/components/mail/listing/conversations.rs

@@ -711,6 +711,7 @@ impl ConversationsListing {
         })
     }
 
+    #[allow(clippy::too_many_arguments)]
     pub(super) fn make_entry_string(
         &self,
         root_envelope: &Envelope,

src/components/mail/view.rs

@@ -107,7 +107,9 @@ impl MailView {
         log::trace!("MailView::init_futures");
         self.theme_default = crate::conf::value(context, "mail.view.body");
         let mut pending_action = None;
-        let Some(coordinates) = self.coordinates else { return; };
+        let Some(coordinates) = self.coordinates else {
+            return;
+        };
         let account = &mut context.accounts[&coordinates.0];
         if account.contains_key(coordinates.2) {
             {
@@ -194,7 +196,9 @@ impl MailView {
     }
 
     fn perform_action(&mut self, action: PendingReplyAction, context: &mut Context) {
-        let Some(coordinates) = self.coordinates else { return; };
+        let Some(coordinates) = self.coordinates else {
+            return;
+        };
         let (bytes, reply_body, env) = match self.state {
             MailViewState::Init {
                 ref mut pending_action,
@@ -214,7 +218,7 @@ impl MailView {
                 ..
             } => (
                 bytes,
-                env_view.attachment_displays_to_text(&env_view.display, false),
+                EnvelopeView::attachment_displays_to_text(&env_view.display, false),
                 env,
             ),
             MailViewState::Error { .. } => {
@@ -257,7 +261,9 @@ impl MailView {
     }
 
     fn start_contact_selector(&mut self, context: &mut Context) {
-        let Some(coordinates) = self.coordinates else { return; };
+        let Some(coordinates) = self.coordinates else {
+            return;
+        };
         let account = &context.accounts[&coordinates.0];
         if !account.contains_key(coordinates.2) {
             context
@@ -297,7 +303,9 @@ impl Component for MailView {
         if !self.is_dirty() {
             return;
         }
-        let Some(coordinates) = self.coordinates else { return; };
+        let Some(coordinates) = self.coordinates else {
+            return;
+        };
 
         {
             let account = &context.accounts[&coordinates.0];
@@ -339,7 +347,9 @@ impl Component for MailView {
     }
 
     fn process_event(&mut self, mut event: &mut UIEvent, context: &mut Context) -> bool {
-        let Some(coordinates) = self.coordinates else { return false; };
+        let Some(coordinates) = self.coordinates else {
+            return false;
+        };
         if coordinates.0.is_null() || coordinates.1.is_null() {
             return false;
         }

src/components/mail/view/envelope.rs

@@ -361,7 +361,7 @@ impl EnvelopeView {
             (&self.force_charset).into(),
         );
         let (attachment_paths, attachment_tree) = self.attachment_displays_to_tree(&display);
-        let body_text = self.attachment_displays_to_text(&display, true);
+        let body_text = Self::attachment_displays_to_text(&display, true);
         self.display = display;
         self.body_text = body_text;
         self.attachment_tree = attachment_tree;
@@ -369,7 +369,6 @@ impl EnvelopeView {
     }
 
     pub fn attachment_displays_to_text(
-        &self,
         displays: &[AttachmentDisplay],
         show_comments: bool,
     ) -> String {
@@ -382,7 +381,7 @@ impl EnvelopeView {
                     shown_display,
                     display,
                 } => {
-                    acc.push_str(&self.attachment_displays_to_text(
+                    acc.push_str(&Self::attachment_displays_to_text(
                         &display[*shown_display..(*shown_display + 1)],
                         show_comments,
                     ));
@@ -422,13 +421,13 @@ impl EnvelopeView {
                     if show_comments {
                         acc.push_str("Waiting for signature verification.\n\n");
                     }
-                    acc.push_str(&self.attachment_displays_to_text(display, show_comments));
+                    acc.push_str(&Self::attachment_displays_to_text(display, show_comments));
                 }
                 SignedUnverified { inner: _, display } => {
                     if show_comments {
                         acc.push_str("Unverified signature.\n\n");
                     }
-                    acc.push_str(&self.attachment_displays_to_text(display, show_comments))
+                    acc.push_str(&Self::attachment_displays_to_text(display, show_comments))
                 }
                 SignedFailed {
                     inner: _,
@@ -438,7 +437,7 @@ impl EnvelopeView {
                     if show_comments {
                         let _ = writeln!(acc, "Failed to verify signature: {}.\n", error);
                     }
-                    acc.push_str(&self.attachment_displays_to_text(display, show_comments));
+                    acc.push_str(&Self::attachment_displays_to_text(display, show_comments));
                 }
                 SignedVerified {
                     inner: _,
@@ -453,7 +452,7 @@ impl EnvelopeView {
                             acc.push_str("\n\n");
                         }
                     }
-                    acc.push_str(&self.attachment_displays_to_text(display, show_comments));
+                    acc.push_str(&Self::attachment_displays_to_text(display, show_comments));
                 }
                 EncryptedPending { .. } => acc.push_str("Waiting for decryption result."),
                 EncryptedFailed { inner: _, error } => {
@@ -473,9 +472,10 @@ impl EnvelopeView {
                             acc.push_str("\n\n");
                         }
                     }
-                    acc.push_str(
+                    acc.push_str(&Self::attachment_displays_to_text(
-                        &self.attachment_displays_to_text(plaintext_display, show_comments),
+                        plaintext_display,
-                    );
+                        show_comments,
+                    ));
                 }
             }
         }
@@ -1004,7 +1004,7 @@ impl Component for EnvelopeView {
                     ref archive,
                     ref post,
                     ref unsubscribe,
-                }) = list_management::ListActions::detect(&envelope)
+                }) = list_management::ListActions::detect(envelope)
                 {
                     let mut x = get_x(upper_left);
                     if let Some(id) = id {

src/components/mail/view/state.rs

@@ -55,7 +55,9 @@ pub enum MailViewState {
 
 impl MailViewState {
     pub fn load_bytes(self_: &mut MailView, bytes: Vec<u8>, context: &mut Context) {
-        let Some(coordinates) = self_.coordinates else { return; };
+        let Some(coordinates) = self_.coordinates else {
+            return;
+        };
         let account = &mut context.accounts[&coordinates.0];
         if account
             .collection

src/components/mail/view/types.rs

@@ -86,9 +86,9 @@ pub enum ForceCharset {
     Forced(Charset),
 }
 
-impl Into<Option<Charset>> for &ForceCharset {
+impl From<&ForceCharset> for Option<Charset> {
-    fn into(self) -> Option<Charset> {
+    fn from(val: &ForceCharset) -> Self {
-        match self {
+        match val {
             ForceCharset::Forced(val) => Some(*val),
             ForceCharset::None | ForceCharset::Dialog(_) => None,
         }

src/components/svg.rs

@@ -43,6 +43,12 @@ impl SVGScreenshotFilter {
     }
 }
 
+impl Default for SVGScreenshotFilter {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl Component for SVGScreenshotFilter {
     fn draw(&mut self, _grid: &mut CellBuffer, _area: Area, context: &mut Context) {
         if !self.save_screenshot {

src/subcommands.rs

@@ -171,7 +171,7 @@ pub fn view(
     let mut state = State::new(
         Some(Settings::without_accounts().unwrap_or_default()),
         sender,
-        receiver.clone(),
+        receiver,
     )?;
     let main_loop_handler = state.context.main_loop_handler.clone();
     state.register_component(Box::new(EnvelopeView::new(

tools/src/embed.rs

@@ -94,7 +94,7 @@ struct EmbedContainer {
 }
 
 impl EmbedContainer {
-    fn new(command: String) -> Box<dyn Component> {
+    fn new(command: String) -> Box<Self> {
         Box::new(Self {
             command,
             embed: None,