anvil: address some clippy warnings

anvil/src/input_handler.rs

@@ -303,12 +303,11 @@ enum KeyAction {
 }
 
 fn process_keyboard_shortcut(modifiers: &ModifiersState, keysym: Keysym) -> KeyAction {
-    if modifiers.ctrl && modifiers.alt && keysym == xkb::KEY_BackSpace {
-        // ctrl+alt+backspace = quit
-        KeyAction::Quit
-    } else if modifiers.logo && keysym == xkb::KEY_q {
-        // logo + q = quit
-        KeyAction::Quit
+    if modifiers.ctrl && modifiers.alt && keysym == xkb::KEY_BackSpace
+        || modifiers.logo && keysym == xkb::KEY_q {
+            // ctrl+alt+backspace = quit
+            // logo + q = quit
+            KeyAction::Quit
     } else if keysym >= xkb::KEY_XF86Switch_VT_1 && keysym <= xkb::KEY_XF86Switch_VT_12 {
         // VTSwicth
         KeyAction::VtSwitch((keysym - xkb::KEY_XF86Switch_VT_1 + 1) as i32)

anvil/src/main.rs

@@ -44,7 +44,7 @@ fn main() {
 
     let (mut display, mut event_loop) = Display::new();
 
-    let arg = ::std::env::args().skip(1).next();
+    let arg = ::std::env::args().nth(1);
     match arg.as_ref().map(|s| &s[..]) {
         #[cfg(feature = "winit")]
         Some("--winit") => {
@@ -69,7 +69,7 @@ fn main() {
         }
         _ => {
             println!("USAGE: anvil --backend");
-            println!("");
+            println!();
             println!("Possible backends are:");
             for b in POSSIBLE_BACKENDS {
                 println!("\t{}", b);

anvil/src/shaders.rs

@@ -36,7 +36,7 @@ macro_rules! opengl_programs(
  * OpenGL Shaders
  */
 
-pub const VERTEX_SHADER: &'static str = r#"
+pub const VERTEX_SHADER: &str = r#"
 #version 100
 uniform lowp mat4 matrix;
 attribute lowp vec2 position;
@@ -50,7 +50,7 @@ void main() {
 pub const FRAGMENT_COUNT: usize = 5;
 
 pub const BUFFER_RGBA: usize = 0;
-pub const FRAGMENT_SHADER_RGBA: &'static str = r#"
+pub const FRAGMENT_SHADER_RGBA: &str = r#"
 #version 100
 uniform lowp sampler2D tex;
 varying lowp vec2 v_tex_coords;
@@ -64,7 +64,7 @@ void main() {
 "#;
 
 pub const BUFFER_ABGR: usize = 1;
-pub const FRAGMENT_SHADER_ABGR: &'static str = r#"
+pub const FRAGMENT_SHADER_ABGR: &str = r#"
 #version 100
 uniform lowp sampler2D tex;
 varying lowp vec2 v_tex_coords;
@@ -78,7 +78,7 @@ void main() {
 "#;
 
 pub const BUFFER_XBGR: usize = 2;
-pub const FRAGMENT_SHADER_XBGR: &'static str = r#"
+pub const FRAGMENT_SHADER_XBGR: &str = r#"
 #version 100
 uniform lowp sampler2D tex;
 varying lowp vec2 v_tex_coords;
@@ -92,7 +92,7 @@ void main() {
 "#;
 
 pub const BUFFER_BGRA: usize = 3;
-pub const FRAGMENT_SHADER_BGRA: &'static str = r#"
+pub const FRAGMENT_SHADER_BGRA: &str = r#"
 #version 100
 uniform lowp sampler2D tex;
 varying lowp vec2 v_tex_coords;
@@ -106,7 +106,7 @@ void main() {
 "#;
 
 pub const BUFFER_BGRX: usize = 4;
-pub const FRAGMENT_SHADER_BGRX: &'static str = r#"
+pub const FRAGMENT_SHADER_BGRX: &str = r#"
 #version 100
 uniform lowp sampler2D tex;
 varying lowp vec2 v_tex_coords;

anvil/src/shell.rs

@@ -55,7 +55,7 @@ pub fn init_shell(
     let (xdg_shell_state, _, _) = xdg_shell_init(
         display,
         looptoken.clone(),
-        compositor_token.clone(),
+        compositor_token,
         move |shell_event, ()| match shell_event {
             XdgRequest::NewToplevel { surface } => {
                 // place the window at a random location in the [0;300]x[0;300] square
@@ -88,12 +88,12 @@ pub fn init_shell(
     let (wl_shell_state, _) = wl_shell_init(
         display,
         looptoken,
-        compositor_token.clone(),
-        move |req: ShellRequest<_, _, ()>, ()| match req {
-            ShellRequest::SetKind {
+        compositor_token,
+        move |req: ShellRequest<_, _, ()>, ()|
+            if let ShellRequest::SetKind {
                 surface,
                 kind: ShellSurfaceKind::Toplevel,
-            } => {
+            } = req {
                 // place the window at a random location in the [0;300]x[0;300] square
                 use rand::distributions::{IndependentSample, Range};
                 let range = Range::new(0, 300);
@@ -104,9 +104,7 @@ pub fn init_shell(
                 shell_window_map
                     .borrow_mut()
                     .insert(SurfaceKind::Wl(surface), (x, y));
-            }
-            _ => (),
-        },
+            },
         log.clone(),
     );
 

anvil/src/shm_load.rs

@@ -5,7 +5,7 @@ use smithay::wayland_server::protocol::wl_shm::Format;
 
 use glium::texture::{ClientFormat, RawImage2d};
 
-pub fn load_shm_buffer<'a>(data: BufferData, pool: &'a [u8]) -> Result<(RawImage2d<'a, u8>, usize), Format> {
+pub fn load_shm_buffer(data: BufferData, pool: &[u8]) -> Result<(RawImage2d<u8>, usize), Format> {
     let offset = data.offset as usize;
     let width = data.width as usize;
     let height = data.height as usize;

anvil/src/udev.rs

@@ -105,7 +105,7 @@ pub fn run_udev(mut display: Display, mut event_loop: EventLoop, log: Logger) ->
     let (mut w_seat, _) = Seat::new(
         &mut display.borrow_mut(),
         event_loop.token(),
-        session.seat().into(),
+        session.seat(),
         log.clone(),
     );
 
@@ -174,7 +174,7 @@ pub fn run_udev(mut display: Display, mut event_loop: EventLoop, log: Logger) ->
         .unwrap();
 
     while running.load(Ordering::SeqCst) {
-        if let Err(_) = event_loop.dispatch(Some(16)) {
+        if event_loop.dispatch(Some(16)).is_err() {
             running.store(false, Ordering::SeqCst);
         } else {
             display.borrow_mut().flush_clients();
@@ -288,7 +288,7 @@ impl UdevHandler<DrmHandlerImpl> for UdevHandlerImpl {
         self.backends.insert(device.device_id(), backends.clone());
 
         Some(DrmHandlerImpl {
-            compositor_token: self.compositor_token.clone(),
+            compositor_token: self.compositor_token,
             backends,
             window_map: self.window_map.clone(),
             pointer_location: self.pointer_location.clone(),
@@ -298,7 +298,7 @@ impl UdevHandler<DrmHandlerImpl> for UdevHandlerImpl {
 
     fn device_changed(&mut self, device: &mut DrmDevice<SessionFdDrmDevice>) {
         //quick and dirt, just re-init all backends
-        let backends = self.backends.get(&device.device_id()).unwrap();
+        let backends = &self.backends[&device.device_id()];
         *backends.borrow_mut() = self.scan_connectors(device, self.active_egl_context.clone());
     }
 

anvil/src/window_map.rs

@@ -155,22 +155,22 @@ where
 {
     pub fn new(ctoken: CompositorToken<U, R>, get_size: F) -> WindowMap<U, R, D, SD, F> {
         WindowMap {
-            ctoken: ctoken,
+            ctoken,
             windows: Vec::new(),
-            get_size: get_size,
+            get_size,
         }
     }
 
     pub fn insert(&mut self, toplevel: Kind<U, R, SD, D>, location: (i32, i32)) {
         let mut window = Window {
-            location: location,
+            location,
             surface: Rectangle {
                 x: 0,
                 y: 0,
                 width: 0,
                 height: 0,
             },
-            toplevel: toplevel,
+            toplevel,
         };
         window.self_update(self.ctoken, &self.get_size);
         self.windows.insert(0, window);
@@ -219,7 +219,7 @@ where
 
     pub fn refresh(&mut self) {
         self.windows.retain(|w| w.toplevel.alive());
-        for w in self.windows.iter_mut() {
+        for w in &mut self.windows {
             w.self_update(self.ctoken, &self.get_size);
         }
     }