Update the mouse example.

We use click and drag.

examples/mouse.rs

 extern crate termion;
 
-use termion::event::{Key, Event, MouseEvent};
+use termion::event::*;
+use termion::cursor;
 use termion::input::{TermRead, MouseTerminal};
 use termion::raw::IntoRawMode;
-use std::io::{Write, stdout, stdin};
+use std::io::{self, Write};
 
 fn main() {
-    let stdin = stdin();
-    let mut stdout = MouseTerminal::from(stdout().into_raw_mode().unwrap());
+    let stdin = io::stdin();
+    let mut stdout = MouseTerminal::from(io::stdout().into_raw_mode().unwrap());
 
     writeln!(stdout,
              "{}{}q to exit. Type stuff, use alt, click around...",
@@ -15,9 +16,6 @@ fn main() {
              termion::cursor::Goto(1, 1))
         .unwrap();
 
-    let mut x = 5;
-    let mut y = 5;
-
     for c in stdin.events() {
         let evt = c.unwrap();
         match evt {
@@ -27,22 +25,13 @@ fn main() {
                     MouseEvent::Press(_, a, b) |
                     MouseEvent::Release(a, b) |
                     MouseEvent::Hold(a, b) => {
-                        x = a;
-                        y = b;
+                        write!(stdout, "{}", cursor::Goto(a, b)).unwrap();
                     }
                 }
             }
             _ => {}
         }
-        write!(stdout,
-               "{}{}  {:?}{}",
-               termion::clear::All,
-               termion::cursor::Goto(x, y),
-               evt,
-               termion::cursor::Goto(x, y))
-            .unwrap();
+
         stdout.flush().unwrap();
     }
-
-    write!(stdout, "{}", termion::cursor::Show).unwrap();
 }