Fix clippy warnings

examples/editor-libcosmic/src/main.rs

@@ -74,7 +74,7 @@ impl fmt::Display for FontSize {
     }
 }
 
-static WRAP_MODE: &'static [Wrap] = &[Wrap::None, Wrap::Glyph, Wrap::Word];
+static WRAP_MODE: &[Wrap] = &[Wrap::None, Wrap::Glyph, Wrap::Word];
 
 fn main() -> cosmic::iced::Result {
     env_logger::init();
@@ -274,7 +274,7 @@ impl Application for Window {
     }
 
     fn view(&self) -> Element<Message> {
-        static THEMES: &'static [&'static str] = &["Dark", "Light"];
+        static THEMES: &[&str] = &["Dark", "Light"];
         let theme_picker = pick_list(
             THEMES,
             Some(match self.theme {
@@ -375,11 +375,11 @@ fn update_alignment<'a, T: Edit<'a>>(editor: &mut T, align: Align) {
             std::cmp::Ordering::Less => (select.line, current_line),
             std::cmp::Ordering::Equal => (current_line, current_line),
         };
-        editor.buffer_mut().lines.get_mut(start..=end).map(|lines| {
+        if let Some(lines) = editor.buffer_mut().lines.get_mut(start..=end) {
             for line in lines.iter_mut() {
                 line.set_align(Some(align));
             }
-        });
+        }
     } else if let Some(line) = editor.buffer_mut().lines.get_mut(current_line) {
         line.set_align(Some(align));
     }

examples/editor-libcosmic/src/text.rs

@@ -227,7 +227,7 @@ pub fn draw_pixel(
 
     let mut current = buffer[offset + 2] as u32
         | (buffer[offset + 1] as u32) << 8
-        | (buffer[offset + 0] as u32) << 16
+        | (buffer[offset] as u32) << 16
         | (buffer[offset + 3] as u32) << 24;
 
     if alpha >= 255 || current == 0 {
@@ -244,7 +244,7 @@ pub fn draw_pixel(
 
     buffer[offset + 2] = current as u8;
     buffer[offset + 1] = (current >> 8) as u8;
-    buffer[offset + 0] = (current >> 16) as u8;
+    buffer[offset] = (current >> 16) as u8;
     buffer[offset + 3] = (current >> 24) as u8;
 }
 

examples/editor-libcosmic/src/text_box.rs

@@ -62,7 +62,7 @@ impl<'a, Editor> TextBox<'a, Editor> {
     }
 }
 
-pub fn text_box<'a, Editor>(editor: &'a Mutex<Editor>) -> TextBox<'a, Editor> {
+pub fn text_box<Editor>(editor: &Mutex<Editor>) -> TextBox<Editor> {
     TextBox::new(editor)
 }
 
@@ -174,7 +174,7 @@ where
             &mut state.cache.lock().unwrap(),
             text_color,
             |x, y, w, h, color| {
-                if w <= 0 || h <= 0 {
+                if w == 0 || h == 0 {
                     // Do not draw invalid sized rectangles
                     return;
                 }
@@ -235,10 +235,7 @@ where
 
         let mut status = Status::Ignored;
         match event {
-            Event::Keyboard(KeyEvent::KeyPressed {
-                key_code,
-                modifiers,
-            }) => match key_code {
+            Event::Keyboard(KeyEvent::KeyPressed { key_code, .. }) => match key_code {
                 KeyCode::Left => {
                     editor.action(Action::Left);
                     status = Status::Captured;
@@ -318,15 +315,14 @@ where
                     status = Status::Captured;
                 }
             }
-            Event::Mouse(MouseEvent::WheelScrolled { delta }) => match delta {
-                ScrollDelta::Lines { x, y } => {
-                    editor.action(Action::Scroll {
-                        lines: (-y * 6.0) as i32,
-                    });
-                    status = Status::Captured;
-                }
-                _ => (),
-            },
+            Event::Mouse(MouseEvent::WheelScrolled {
+                delta: ScrollDelta::Lines { y, .. },
+            }) => {
+                editor.action(Action::Scroll {
+                    lines: (-y * 6.0) as i32,
+                });
+                status = Status::Captured;
+            }
             _ => (),
         }
 

examples/editor-orbclient/src/main.rs

@@ -14,7 +14,7 @@ fn main() {
     env_logger::init();
 
     let path = if let Some(arg) = env::args().nth(1) {
-        arg.clone()
+        arg
     } else {
         String::new()
     };
@@ -35,7 +35,7 @@ fn main() {
         -1,
         1024 * display_scale as u32,
         768 * display_scale as u32,
-        &format!("COSMIC Text - {}", path),
+        &format!("COSMIC Text - {path}"),
         &[WindowFlag::Resizable],
     )
     .unwrap();
@@ -110,7 +110,7 @@ fn main() {
                 let mut end_line = 0;
                 for run in editor.buffer().layout_runs() {
                     end_line = run.line_i;
-                    if start_line_opt == None {
+                    if start_line_opt.is_none() {
                         start_line_opt = Some(end_line);
                     }
                 }

examples/editor-test/src/main.rs

@@ -131,9 +131,8 @@ fn main() {
         redraw(&mut window, &mut editor, &mut swash_cache);
 
         for event in window.events() {
-            match event.to_option() {
-                EventOption::Quit(_) => process::exit(1),
-                _ => (),
+            if let EventOption::Quit(_) = event.to_option() {
+                process::exit(1)
             }
         }
     }

examples/terminal/src/main.rs

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 use cosmic_text::{Attrs, Buffer, Color, FontSystem, Metrics, SwashCache};
-use std::cmp;
+use std::cmp::{self, Ordering};
 use termion::{color, cursor};
 
 fn main() {
@@ -66,21 +66,29 @@ fn main() {
         let scale = |c: u8| cmp::max(0, cmp::min(255, ((c as i32) * (a as i32)) / 255)) as u8;
 
         // Navigate to x coordinate
-        if x > last_x {
-            print!("{}", cursor::Right((x - last_x) as u16));
-            last_x = x;
-        } else if x < last_x {
-            print!("{}", cursor::Left((last_x - x) as u16));
-            last_x = x;
+        match x.cmp(&last_x) {
+            Ordering::Greater => {
+                print!("{}", cursor::Right((x - last_x) as u16));
+                last_x = x;
+            }
+            Ordering::Less => {
+                print!("{}", cursor::Left((last_x - x) as u16));
+                last_x = x;
+            }
+            Ordering::Equal => {}
         }
 
         // Navigate to y coordinate
-        if y > last_y {
-            print!("{}", cursor::Down((y - last_y) as u16));
-            last_y = y;
-        } else if y < last_y {
-            print!("{}", cursor::Up((last_y - y) as u16));
-            last_y = y;
+        match y.cmp(&last_y) {
+            Ordering::Greater => {
+                print!("{}", cursor::Down((y - last_y) as u16));
+                last_y = y;
+            }
+            Ordering::Less => {
+                print!("{}", cursor::Up((last_y - y) as u16));
+                last_y = y;
+            }
+            Ordering::Equal => {}
         }
 
         // Print a space with the expected color as the background

src/buffer.rs

@@ -113,9 +113,9 @@ pub struct LayoutRun<'a> {
 }
 
 impl<'a> LayoutRun<'a> {
-    /// Return the pixel span Some((x_left, x_width)) of the highlighted area between cursor_start
-    /// and cursor_end within this run, or None if the cursor range does not intersect this run.
-    /// This may return widths of zero if cursor_start == cursor_end, if the run is empty, or if the
+    /// Return the pixel span `Some((x_left, x_width))` of the highlighted area between `cursor_start`
+    /// and `cursor_end` within this run, or None if the cursor range does not intersect this run.
+    /// This may return widths of zero if `cursor_start == cursor_end`, if the run is empty, or if the
     /// region's left start boundary is the same as the cursor's end boundary or vice versa.
     pub fn highlight(&self, cursor_start: Cursor, cursor_end: Cursor) -> Option<(f32, f32)> {
         let mut x_start = None;
@@ -208,7 +208,7 @@ impl<'a, 'b> LayoutRunIter<'a, 'b> {
             buffer,
             line_i: 0,
             layout_i: 0,
-            remaining_len: bottom_cropped_layout_lines as usize,
+            remaining_len: bottom_cropped_layout_lines,
             line_y: buffer.metrics.y_offset(),
             total_layout: 0,
         }
@@ -311,6 +311,10 @@ pub struct Buffer<'a> {
 
 impl<'a> Buffer<'a> {
     /// Create a new [`Buffer`] with the provided [`FontSystem`] and [`Metrics`]
+    ///
+    /// # Panics
+    ///
+    /// Will panic if `metrics.line_height` is zero.
     pub fn new(font_system: &'a FontSystem, metrics: Metrics) -> Self {
         assert_ne!(metrics.line_height, 0.0, "line height cannot be 0");
 
@@ -497,6 +501,10 @@ impl<'a> Buffer<'a> {
     }
 
     /// Set the current [`Metrics`]
+    ///
+    /// # Panics
+    ///
+    /// Will panic if `metrics.font_size` is zero.
     pub fn set_metrics(&mut self, metrics: Metrics) {
         if metrics != self.metrics {
             assert_ne!(metrics.font_size, 0.0, "font size cannot be 0");

src/edit/editor.rs

@@ -2,7 +2,10 @@
 
 #[cfg(not(feature = "std"))]
 use alloc::string::String;
-use core::{cmp, iter::once};
+use core::{
+    cmp::{self, Ordering},
+    iter::once,
+};
 use unicode_segmentation::UnicodeSegmentation;
 
 #[cfg(feature = "swash")]
@@ -432,14 +435,18 @@ impl<'a> Edit<'a> for Editor<'a> {
             Action::Vertical(px) => {
                 // TODO more efficient
                 let lines = px / self.buffer.metrics().line_height as i32;
-                if lines < 0 {
-                    for _ in 0..-lines {
-                        self.action(Action::Up);
+                match lines.cmp(&0) {
+                    Ordering::Less => {
+                        for _ in 0..-lines {
+                            self.action(Action::Up);
+                        }
                     }
-                } else if lines > 0 {
-                    for _ in 0..lines {
-                        self.action(Action::Down);
+                    Ordering::Greater => {
+                        for _ in 0..lines {
+                            self.action(Action::Down);
+                        }
                     }
+                    Ordering::Equal => {}
                 }
             }
             Action::Escape => {
@@ -583,7 +590,7 @@ impl<'a> Edit<'a> for Editor<'a> {
                 } else if self.cursor.line > 0 {
                     self.cursor.line -= 1;
                     self.cursor.index = self.buffer.lines[self.cursor.line].text().len();
-                    self.buffer.set_redraw(true)
+                    self.buffer.set_redraw(true);
                 }
                 self.cursor_x_opt = None;
             }

src/shape.rs

@@ -98,8 +98,8 @@ fn shape_fallback(
     (glyphs, missing)
 }
 
-fn shape_run<'a>(
-    font_system: &'a FontSystem,
+fn shape_run(
+    font_system: &FontSystem,
     line: &str,
     attrs_list: &AttrsList,
     start_run: usize,
@@ -278,8 +278,8 @@ pub struct ShapeWord {
 }
 
 impl ShapeWord {
-    pub fn new<'a>(
-        font_system: &'a FontSystem,
+    pub fn new(
+        font_system: &FontSystem,
         line: &str,
         attrs_list: &AttrsList,
         word_range: Range<usize>,
@@ -352,8 +352,8 @@ pub struct ShapeSpan {
 }
 
 impl ShapeSpan {
-    pub fn new<'a>(
-        font_system: &'a FontSystem,
+    pub fn new(
+        font_system: &FontSystem,
         line: &str,
         attrs_list: &AttrsList,
         span_range: Range<usize>,
@@ -434,7 +434,10 @@ pub struct ShapeLine {
 type VlRange = (usize, (usize, usize), (usize, usize));
 
 impl ShapeLine {
-    pub fn new<'a>(font_system: &'a FontSystem, line: &str, attrs_list: &AttrsList) -> Self {
+    /// # Panics
+    ///
+    /// Will panic if `line` contains more than one paragraph.
+    pub fn new(font_system: &FontSystem, line: &str, attrs_list: &AttrsList) -> Self {
         let mut spans = Vec::new();
 
         let bidi = unicode_bidi::BidiInfo::new(line, None);