get rid of redundant names

src/input/input_manager.rs

@@ -1,8 +0,0 @@
-use crate::input::Keyboard;
-
-use wlroots::input;
-
-pub fn input_manager() -> input::manager::Builder {
-    input::manager::Builder::default()
-        .keyboard_added(|_compositor_handle, _keyboard_handle| Some(Box::new(Keyboard)))
-}

src/input/manager.rs

@@ -0,0 +1,17 @@
+use crate::input::Keyboard;
+
+use wlroots::{
+    compositor,
+    input::{self, keyboard},
+};
+
+pub fn manager() -> input::manager::Builder {
+    input::manager::Builder::default().keyboard_added(keyboard_added)
+}
+
+fn keyboard_added(
+    _compositor_handle: compositor::Handle,
+    _keyboard_handle: keyboard::Handle,
+) -> Option<Box<keyboard::Handler>> {
+    Some(Box::new(Keyboard))
+}

src/input/mod.rs

@@ -1,5 +1,5 @@
-mod input_manager;
+mod manager;
 mod keyboard;
 
-pub use self::input_manager::*;
+pub use self::manager::*;
 pub use self::keyboard::*;

src/main.rs

@@ -25,6 +25,6 @@ fn build_compositor() -> compositor::Compositor {
     compositor::Builder::new()
         .gles2(true)
         .data_device(true)
-        .input_manager(input::input_manager())
+        .input_manager(input::manager())
         .build_auto(())
 }