refactored winapi code

examples/Crossterm 0.3.1/bin.rs

@@ -1,4 +1,3 @@
-
 //! This bin folder can be used to try the examples out located in the examples directory.
 //!
 //! All you need to do is:
@@ -25,22 +24,87 @@ use input::keyboard::{async_input, input as stdin};
 
 use crossterm::raw::IntoRawMode;
 
-fn main()
+use std::{thread, time};
-{
-    let context = Context::new();
 
+fn main() {
+    //    let context = Context::new();
+    crossterm();
     {
-//        let screen = ::crossterm::screen::AlternateScreen::from(context.clone());
+        //        let screen = ::crossterm::screen::AlternateScreen::from(context.clone());
-//        screen.into_raw_mode(context.clone());
+        //        screen.into_raw_mode(context.clone());
 
-
+        //        async_input::async_reading_on_alternate_screen();
-        async_input::async_reading_on_alternate_screen();
+        //        async_input::test();
-//        async_input::test();
+        //        stdin::t();
-//        stdin::t();
+        //        stdin::read_line();
-//        stdin::read_line();
+        //        stdin::read_char();
-//        stdin::read_char();
+        //    stdin::read_char();
-//    stdin::read_char();
     }
 }
 
+use crossterm::raw::RawTerminal;
+use crossterm::Crossterm;
 
+pub fn crossterm() {
+    let crossterm = Crossterm::new();
+    let mut term = crossterm.terminal();
+    let mut cursor = crossterm.cursor();
+    let input = crossterm.input();
+
+    // clear screen
+    term.clear(ClearType::All);
+
+    let mut raw_screen = RawTerminal::new(&crossterm.context());
+    raw_screen.enable();
+
+    let mut stdin = input.read_async().bytes();
+
+    let mut buf = String::new();
+
+    let mut counter: u16 = 1;
+
+    loop {
+        cursor.goto(0, counter);
+        term.write("test data");
+
+        let (term_width, term_height) = term.terminal_size();
+        let (cursor_x, cursor_y) = cursor.pos();
+
+        if cursor_y >= term_height {
+            term.scroll_up(1);
+        }
+
+        cursor.goto(0, term_height);
+        term.clear(ClearType::CurrentLine);
+        term.write(format!("> {}", buf));
+
+        while let Some(b) = stdin.next() {
+            if let Ok(b) = b {
+                if b == 3 {
+                    term.exit();
+                } else if b == 13 {
+                    buf.clear();
+                } else {
+                    buf.push(b as char);
+                }
+            }
+        }
+        counter += 1;
+        thread::sleep(time::Duration::from_millis(100));
+    }
+}
+
+use crossterm::cursor::cursor::TerminalCursor;
+use crossterm::terminal::terminal::Terminal;
+use crossterm::terminal::ClearType;
+use std::io::Read;
+
+//pub fn swap_write(terminal: &mut Terminal, out: &mut RawTerminal, cursor: &mut TerminalCursor, msg: &str, input_buf: &String) {
+//    let (term_width,term_height) = terminal.terminal_size();
+//    let (x,y) = cursor.get_post();
+//    cursor.goto(0,0);
+//
+//
+//
+//
+//}

examples/Crossterm 0.3.1/input/keyboard/async_input.rs

@@ -5,23 +5,20 @@ use self::crossterm::Context;
 use self::crossterm::Crossterm;
 use crossterm::terminal::ClearType;
 
-use std::{thread, time};
 use crossterm::raw::IntoRawMode;
+use std::{thread, time};
 
-use std::io::{Read, Write, stdout};
+use std::io::{stdout, Read, Write};
 use std::time::Duration;
 
-
 /// this will capture the input until the given key.
-pub fn read_async_until()
+pub fn read_async_until() {
-{
     let context = Context::new();
     let input = input(&context);
 
     let mut stdin = input.read_until_async(b'\r').bytes();
 
-    for i in 0..100
+    for i in 0..100 {
-    {
         let a = stdin.next();
 
         println!("pressed key: {:?}", a);
@@ -41,15 +38,13 @@ pub fn read_async_until()
 }
 
 /// this will read pressed characters async until `x` is typed .
-pub fn read_async()
+pub fn read_async() {
-{
     let context = Context::new();
     let input = input(&context);
 
     let mut stdin = input.read_async().bytes();
 
-    for i in 0..100
+    for i in 0..100 {
-    {
         let a = stdin.next();
 
         println!("pressed key: {:?}", a);
@@ -63,8 +58,7 @@ pub fn read_async()
     }
 }
 
-pub fn read_async_demo()
+pub fn read_async_demo() {
-{
     let crossterm = Crossterm::new();
 
     // init some modules we use for this demo
@@ -82,7 +76,6 @@ pub fn read_async_demo()
     terminal.clear(ClearType::All);
     cursor.goto(1, 1);
 
-
     // loop until the enter key (\r) is pressed.
     loop {
         terminal.clear(ClearType::All);
@@ -103,8 +96,7 @@ pub fn read_async_demo()
     }
 }
 
-pub fn async_reading_on_alternate_screen()
+pub fn async_reading_on_alternate_screen() {
-{
     use crossterm::screen::AlternateScreen;
 
     let crossterm = Crossterm::new();
@@ -126,7 +118,7 @@ pub fn async_reading_on_alternate_screen()
     terminal.clear(ClearType::All);
     cursor.goto(1, 1);
 
-//    panic!();
+    //    panic!();
 
     // loop until the enter key (\r) is pressed.
     loop {
@@ -136,7 +128,11 @@ pub fn async_reading_on_alternate_screen()
         // get the next pressed key
         let pressed_key = stdin.next();
 
-        write!(alternate_screen, "\r{:?}    <- Character pressed", pressed_key).unwrap();
+        write!(
+            alternate_screen,
+            "\r{:?}    <- Character pressed",
+            pressed_key
+        ).unwrap();
 
         // check if pressed key is enter (\r)
         if let Some(Ok(b'\r')) = pressed_key {

examples/Crossterm 0.3.1/input/keyboard/input.rs

@@ -3,26 +3,22 @@ extern crate crossterm;
 use self::crossterm::input::input;
 use self::crossterm::Context;
 
-pub fn read_char()
+pub fn read_char() {
-{
     let context = Context::new();
     let input = input(&context);
 
-    match input.read_char()
+    match input.read_char() {
-    {
         Ok(c) => println!("character pressed: {}", c),
-        Err(e) => println!("error: {}", e)
+        Err(e) => println!("error: {}", e),
     }
 }
 
-pub fn read_line()
+pub fn read_line() {
-{
     let context = Context::new();
     let input = input(&context);
 
-    match input.read_line()
+    match input.read_line() {
-    {
         Ok(s) => println!("string typed: {}", s),
-        Err(e) => println!("error: {}", e)
+        Err(e) => println!("error: {}", e),
     }
 }

src/cursor/mod.rs

@@ -8,8 +8,8 @@
 //! so that the cursor related actions can be preformed on both unix and windows systems.
 //!
 
-pub mod cursor;
 mod ansi_cursor;
+pub mod cursor;
 #[cfg(target_os = "windows")]
 mod winapi_cursor;
 

src/cursor/winapi_cursor.rs

@@ -22,7 +22,7 @@ impl WinApiCursor {
 
 impl ITerminalCursor for WinApiCursor {
     fn goto(&self, x: u16, y: u16) {
-        kernel::set_console_cursor_position(x as i16, y as i16, &self.screen_manager);
+        cursor::set_console_cursor_position(x as i16, y as i16, &self.screen_manager);
     }
 
     fn pos(&self) -> (u16, u16) {
@@ -58,11 +58,11 @@ impl ITerminalCursor for WinApiCursor {
     }
 
     fn hide(&self) {
-        kernel::cursor_visibility(false, &self.screen_manager);
+        cursor::cursor_visibility(false, &self.screen_manager);
     }
 
     fn show(&self) {
-        kernel::cursor_visibility(true, &self.screen_manager);
+        cursor::cursor_visibility(true, &self.screen_manager);
     }
 
     fn blink(&self, blink: bool) {}

src/input/input.rs

@@ -1,19 +1,16 @@
 use std::io;
 
 use super::*;
-use Context;
 use std::rc::Rc;
+use Context;
 
-pub struct TerminalInput
+pub struct TerminalInput {
-{
     context: Rc<Context>,
     terminal_input: Box<ITerminalInput>,
 }
 
-impl TerminalInput
+impl TerminalInput {
-{
+    pub fn new(context: Rc<Context>) -> TerminalInput {
-    pub fn new(context: Rc<Context>) -> TerminalInput
-    {
         #[cfg(target_os = "windows")]
         let input = Box::from(WindowsInput::new(context.clone()));
 
@@ -26,32 +23,27 @@ impl TerminalInput
         }
     }
 
-    pub fn read_line(&self) -> io::Result<String>
+    pub fn read_line(&self) -> io::Result<String> {
-    {
         self.terminal_input.read_line()
     }
 
-    pub fn read_char(&self) -> io::Result<char>
+    pub fn read_char(&self) -> io::Result<char> {
-    {
+        return self.terminal_input.read_char();
-        return self.terminal_input.read_char()
     }
 
-    pub fn read_key(&self) -> io::Result<Key>
+    pub fn read_key(&self) -> io::Result<Key> {
-    {
         self.terminal_input.read_pressed_key()
     }
 
-    pub fn read_async(&self) -> AsyncReader
+    pub fn read_async(&self) -> AsyncReader {
-    {
         self.terminal_input.read_async()
     }
 
-    pub fn read_until_async(&self, delimiter: u8) -> AsyncReader
+    pub fn read_until_async(&self, delimiter: u8) -> AsyncReader {
-    {   self.terminal_input.read_until_async(delimiter)
+        self.terminal_input.read_until_async(delimiter)
     }
 }
 
-pub fn input(context: &Rc<Context>) -> Box<TerminalInput>
+pub fn input(context: &Rc<Context>) -> Box<TerminalInput> {
-{
     return Box::from(TerminalInput::new(context.clone()));
 }

src/input/mod.rs

@@ -12,14 +12,12 @@ use self::unix_input::UnixInput;
 #[cfg(not(target_os = "windows"))]
 mod unix_input;
 
-
+pub use self::input::{input, TerminalInput};
-pub use self::input::{ input, TerminalInput };
 
 use std::io::Read;
 use std::sync::mpsc;
 
-trait ITerminalInput
+trait ITerminalInput {
-{
     fn read_line(&self) -> io::Result<String>;
 
     fn read_char(&self) -> io::Result<char>;
@@ -29,9 +27,8 @@ trait ITerminalInput
     fn read_until_async(&self, delimiter: u8) -> AsyncReader;
 }
 
-pub struct AsyncReader
+pub struct AsyncReader {
-{
+    recv: mpsc::Receiver<io::Result<u8>>,
-    recv: mpsc::Receiver<io::Result<u8>>
 }
 
 impl Read for AsyncReader {

src/input/unix_input.rs

@@ -1,30 +1,24 @@
-use std::io;
-use std::io::Write;
 use std::char;
+use std::io;
+use std::io::Read;
+use std::io::Write;
 use std::sync::mpsc;
 use std::thread;
-use std::io::Read;
 
-use super::super::terminal::terminal;
 use super::super::kernel::unix_kernel::terminal::{get_tty, read_char};
-use super::{ Key, ITerminalInput, AsyncReader };
+use super::super::terminal::terminal;
+use super::{AsyncReader, ITerminalInput, Key};
 
 pub struct UnixInput;
 
-
+impl UnixInput {
-impl UnixInput
+    pub fn new() -> UnixInput {
-{
-    pub fn new() -> UnixInput
-    {
         UnixInput {}
     }
-
 }
 
-impl ITerminalInput for UnixInput
+impl ITerminalInput for UnixInput {
-{
+    fn read_line(&self) -> io::Result<String> {
-    fn read_line(&self) -> io::Result<String>
-    {
         let mut rv = String::new();
         io::stdin().read_line(&mut rv)?;
         let len = rv.trim_right_matches(&['\r', '\n'][..]).len();
@@ -32,47 +26,49 @@ impl ITerminalInput for UnixInput
         Ok(rv)
     }
 
-    fn read_char(&self) -> io::Result<char>
+    fn read_char(&self) -> io::Result<char> {
-    {
         read_char()
     }
 
-    fn read_pressed_key(&self) -> io::Result<Key>
+    fn read_pressed_key(&self) -> io::Result<Key> {
-    {
         Ok(Key::Unknown)
     }
 
-    fn read_async(&self) -> AsyncReader
+    fn read_async(&self) -> AsyncReader {
-    {
         let (send, recv) = mpsc::channel();
 
-        thread::spawn(move || for i in get_tty().unwrap().bytes() {
+        thread::spawn(move || {
+            for i in get_tty().unwrap().bytes() {
                 if send.send(i).is_err() {
                     return;
                 }
+            }
         });
 
         AsyncReader { recv: recv }
     }
 
-    fn read_until_async(&self, delimiter: u8) -> AsyncReader
+    fn read_until_async(&self, delimiter: u8) -> AsyncReader {
-    {
         let (send, recv) = mpsc::channel();
 
-        thread::spawn(move || for i in get_tty().unwrap().bytes() {
+        thread::spawn(move || {
-
+            for i in get_tty().unwrap().bytes() {
                 match i {
                     Ok(byte) => {
                         let end_of_stream = &byte == &delimiter;
                         let send_error = send.send(Ok(byte)).is_err();
 
-                    if end_of_stream || send_error { return; }
+                        if end_of_stream || send_error {
-                },
+                            return;
-                Err(_) => { return; }
+                        }
+                    }
+                    Err(_) => {
+                        return;
+                    }
+                }
             }
         });
 
         AsyncReader { recv: recv }
     }
 }
-

src/input/windows_input.rs

@@ -1,37 +1,34 @@
+use std::char;
 use std::io;
 use std::io::Write;
-use std::char;
 use std::sync::mpsc;
 use std::thread;
 
-use super::{ Key, ITerminalInput, AsyncReader };
+use super::{AsyncReader, ITerminalInput, Key};
 
-use winapi::um::winnt::{ INT };
+use winapi::um::winnt::INT;
 use winapi::um::winuser;
 
 use super::super::terminal::terminal;
-use super::super::kernel::windows_kernel::reading;
-use Context;
 use std::rc::Rc;
+use Context;
 
-pub struct WindowsInput
+pub struct WindowsInput {
-{
     context: Rc<Context>,
     pub display_input: bool,
 }
 
-impl WindowsInput
+impl WindowsInput {
-{
+    pub fn new(context: Rc<Context>) -> WindowsInput {
-    pub fn new(context: Rc<Context>) -> WindowsInput
+        WindowsInput {
-    {
+            context,
-        WindowsInput { context, display_input: false }
+            display_input: false,
+        }
     }
 }
 
-impl ITerminalInput for WindowsInput
+impl ITerminalInput for WindowsInput {
-{
+    fn read_line(&self) -> io::Result<String> {
-    fn read_line(&self) -> io::Result<String>
-    {
         let term = terminal(&self.context);
         let mut chars: Vec<char> = Vec::new();
 
@@ -40,19 +37,19 @@ impl ITerminalInput for WindowsInput
 
             // if 0 or 0xe0 we need to listen again because the next key will be an special key
             if pressed_char != 0 || pressed_char != 0xe0 {
-                match char::from_u32(pressed_char as u32)
+                match char::from_u32(pressed_char as u32) {
-                {
                     Some(c) => {
-                        if  is_line_end(c) { break; }
+                        if is_line_end(c) {
-                        else { chars.push(c); }
+                            break;
-
+                        } else {
-                        if self.display_input
+                            chars.push(c);
-                        {
-                            term.write(c);
                         }
 
-                    },
+                        if self.display_input {
-                    None => { panic!("Some error needs to be returned") }
+                            term.write(c);
+                        }
+                    }
+                    None => panic!("Some error needs to be returned"),
                 };
             }
         }
@@ -60,62 +57,62 @@ impl ITerminalInput for WindowsInput
         return Ok(chars.into_iter().collect());
     }
 
-    fn read_char(&self) -> io::Result<char>
+    fn read_char(&self) -> io::Result<char> {
-    {
         let term = terminal(&self.context);
 
         let pressed_char = unsafe { _getwch() };
 
         // we could return error but maybe option to keep listening until valid character is inputted.
         if pressed_char == 0 || pressed_char == 0xe0 {
-            return Err(io::Error::new(io::ErrorKind::Other, "Given input char is not a valid char, mostly occurs when pressing special keys"));
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Given input char is not a valid char, mostly occurs when pressing special keys",
+            ));
         }
 
-        match char::from_u32(pressed_char as u32)
+        match char::from_u32(pressed_char as u32) {
-        {
             Some(c) => {
-                if self.display_input
+                if self.display_input {
-                {
                     term.write(c);
                 }
                 return Ok(c);
             }
-            None => Err(io::Error::new(io::ErrorKind::Other, "Could not parse given input to char"))
+            None => Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not parse given input to char",
+            )),
         }
     }
 
-    fn read_pressed_key(&self) -> io::Result<Key>
+    fn read_pressed_key(&self) -> io::Result<Key> {
-    {
         use Context;
         let context = Context::new();
 
         let buf: [u8; 1024] = unsafe { ::std::mem::zeroed() };
-//        reading::read(&mut buf, &context.screen_manager);
+        //        reading::read(&mut buf, &context.screen_manager);
 
         Ok(Key::Unknown)
-//        let pressed_char = unsafe { _getwch() };
+        //        let pressed_char = unsafe { _getwch() };
-//
+        //
-//        // if 0 or 0xe0 we need to listen again because the next key will be an special key
+        //        // if 0 or 0xe0 we need to listen again because the next key will be an special key
-//        if pressed_char == 0 || pressed_char == 0xe0 {
+        //        if pressed_char == 0 || pressed_char == 0xe0 {
-//            let special_key: i32 = unsafe { _getwch() };
+        //            let special_key: i32 = unsafe { _getwch() };
-//            println!("spkey {}",special_key);
+        //            println!("spkey {}",special_key);
-//            return Ok(key_from_key_code(0x26));
+        //            return Ok(key_from_key_code(0x26));
-//        } else {
+        //        } else {
-//            match char::from_u32(pressed_char as u32)
+        //            match char::from_u32(pressed_char as u32)
-//            {
+        //            {
-//                Some(c) => return Ok(Key::Char(c)),
+        //                Some(c) => return Ok(Key::Char(c)),
-//                None => { panic!("Some error needs to be returned") }
+        //                None => { panic!("Some error needs to be returned") }
-//            }
+        //            }
-//        }
+        //        }
     }
 
-    fn read_async(&self) -> AsyncReader
+    fn read_async(&self) -> AsyncReader {
-    {
         let (tx, rx) = mpsc::channel();
 
         thread::spawn(move || {
-            loop
+            loop {
-                {
                 let pressed_char: u8 = (unsafe { _getwch() }) as u8;
 
                 // we could return error but maybe option to keep listening until valid character is inputted.
@@ -125,8 +122,7 @@ impl ITerminalInput for WindowsInput
 
                 tx.send(Ok(pressed_char as u8));
 
-                    if pressed_char == 13
+                if pressed_char == 13 {
-                    {
                     return;
                 }
             }
@@ -135,13 +131,11 @@ impl ITerminalInput for WindowsInput
         AsyncReader { recv: rx }
     }
 
-    fn read_until_async(&self, delimiter: u8) -> AsyncReader
+    fn read_until_async(&self, delimiter: u8) -> AsyncReader {
-    {
         let (tx, rx) = mpsc::channel();
 
         thread::spawn(move || {
-            loop
+            loop {
-            {
                 let pressed_char: u8 = (unsafe { _getwch() }) as u8;
 
                 let end_of_stream = (pressed_char == delimiter);
@@ -159,17 +153,14 @@ impl ITerminalInput for WindowsInput
     }
 }
 
-fn is_line_end(key: char) -> bool
+fn is_line_end(key: char) -> bool {
-{
+    if key as u8 == 13 {
-    if key as u8 == 13
-    {
         return true;
     }
 
     return false;
 }
 
-
 //0 59 = F1
 //0 60 = F2
 //0 61 = F3
@@ -193,23 +184,21 @@ fn is_line_end(key: char) -> bool
 //224 133 = F11
 //224 134 = F12
 
-
 fn key_from_key_code(code: INT) -> Key {
-
     println!("code: {}", code);
     println!("up winapi: {}", winuser::VK_UP);
 
     match code {
-//        59  => Key::F1,
+        //        59  => Key::F1,
-//        60  => Key::F2,
+        //        60  => Key::F2,
-//        61  => Key::F3,
+        //        61  => Key::F3,
-//        62  => Key::F4,
+        //        62  => Key::F4,
-//        63  => Key::F5,
+        //        63  => Key::F5,
-//        64  => Key::F6,
+        //        64  => Key::F6,
-//        65  => Key::F7,
+        //        65  => Key::F7,
-//        66  => Key::F8,
+        //        66  => Key::F8,
-//        67  => Key::F9,
+        //        67  => Key::F9,
-//        68  => Key::F10,
+        //        68  => Key::F10,
         winuser::VK_LEFT => Key::ArrowLeft,
         winuser::VK_RIGHT => Key::ArrowRight,
         winuser::VK_UP => Key::ArrowUp,

src/kernel/unix_kernel/terminal.rs

@@ -5,11 +5,11 @@ use self::libc::{c_int, c_ushort, ioctl, STDOUT_FILENO, TIOCGWINSZ};
 use state::commands::{IStateCommand, NoncanonicalModeCommand};
 use {libc, CommandManager, Context, StateManager};
 
-use termios::{ Termios,cfmakeraw,tcsetattr,TCSADRAIN };
 use std::io::Error;
-use std::rc::Rc;
-use std::{io, mem, fs};
 use std::os::unix::io::AsRawFd;
+use std::rc::Rc;
+use std::{fs, io, mem};
+use termios::{cfmakeraw, tcsetattr, Termios, TCSADRAIN};
 
 /// A representation of the size of the current terminal.
 #[repr(C)]
@@ -138,21 +138,20 @@ pub fn get_terminal_mode() -> io::Result<Termios> {
 ///
 /// This allows for getting stdio representing _only_ the TTY, and not other streams.
 pub fn get_tty() -> io::Result<fs::File> {
-    fs::OpenOptions::new().read(true).write(true).open("/dev/tty")
+    fs::OpenOptions::new()
+        .read(true)
+        .write(true)
+        .open("/dev/tty")
 }
 
-
+pub fn read_char() -> io::Result<char> {
-pub fn read_char() -> io::Result<char>
-{
     let mut buf = [0u8; 20];
 
     // get tty raw handle.
     let tty_f;
 
-    let fd = unsafe
+    let fd = unsafe {
-        {
+        if libc::isatty(libc::STDIN_FILENO) == 1 {
-            if libc::isatty(libc::STDIN_FILENO) == 1
-                {
             libc::STDIN_FILENO
         } else {
             tty_f = fs::File::open("/dev/tty")?;
@@ -160,7 +159,6 @@ pub fn read_char() -> io::Result<char>
         }
     };
 
-
     let mut termios = Termios::from_fd(fd)?;
     let original = termios.clone();
 
@@ -174,31 +172,36 @@ pub fn read_char() -> io::Result<char>
         if read < 0 {
             Err(io::Error::last_os_error())
         } else if buf[0] == b'\x03' {
-            Err(io::Error::new(io::ErrorKind::Interrupted, "read interrupted"))
+            Err(io::Error::new(
+                io::ErrorKind::Interrupted,
+                "read interrupted",
+            ))
         } else {
             let mut pressed_char = Ok(' ');
 
-            if let Ok(s) = ::std::str::from_utf8(&buf[..read as usize])
+            if let Ok(s) = ::std::str::from_utf8(&buf[..read as usize]) {
-                {
+                if let Some(c) = s.chars().next() {
-                    if let Some(c) = s.chars().next()
-                        {
                     pressed_char = Ok(c);
                 }
-                }else {
+            } else {
-                pressed_char = Err(io::Error::new(io::ErrorKind::Interrupted, "Could not parse char to utf8 char"));
+                pressed_char = Err(io::Error::new(
+                    io::ErrorKind::Interrupted,
+                    "Could not parse char to utf8 char",
+                ));
             }
 
             pressed_char
         }
     };
 
-
     tcsetattr(fd, TCSADRAIN, &original)?;
 
     // if the user hit ^C we want to signal SIGINT to outselves.
     if let Err(ref err) = rv {
         if err.kind() == io::ErrorKind::Interrupted {
-            unsafe { libc::raise(libc::SIGINT); }
+            unsafe {
+                libc::raise(libc::SIGINT);
+            }
         }
     }
 

src/kernel/windows_kernel/ansi_support.rs

@@ -3,14 +3,14 @@
 use std::sync::{Once, ONCE_INIT};
 use IStateCommand;
 
-static mut HAS_BEEN_TRYED_TO_ENABLE: bool = false;
+static mut HAS_BEEN_TRIED_TO_ENABLE: bool = false;
 static mut IS_ANSI_ON_WINDOWS_ENABLED: Option<bool> = None;
 static mut DOES_WINDOWS_SUPPORT_ANSI: Option<bool> = None;
-static START: Once = ONCE_INIT;
+static ENABLE_ANSI: Once = ONCE_INIT;
 
 /// Try enable `ANSI escape codes` and return the result.
 pub fn try_enable_ansi_support() -> bool {
-    START.call_once(|| {
+    ENABLE_ANSI.call_once(|| {
         use state::commands::win_commands::EnableAnsiCommand;
         let mut command = EnableAnsiCommand::new();
         let success = command.execute();
@@ -35,7 +35,7 @@ pub fn windows_supportable() -> bool {
 /// Get whether ansi has been tried to enable before.
 pub fn has_been_tried_to_enable_ansi() -> bool {
     unsafe {
-        return HAS_BEEN_TRYED_TO_ENABLE;
+        return HAS_BEEN_TRIED_TO_ENABLE;
     }
 }
 
@@ -56,6 +56,6 @@ fn set_is_windows_ansi_supportable(is_enabled: bool) {
 /// Set the has_been_tried_to_enable property. So we can determine whether ansi has been tried to enable before.
 fn has_been_tried_to_enable(has_been_tried: bool) {
     unsafe {
-        HAS_BEEN_TRYED_TO_ENABLE = has_been_tried;
+        HAS_BEEN_TRIED_TO_ENABLE = has_been_tried;
     }
 }

src/kernel/windows_kernel/csbi.rs

@@ -0,0 +1,111 @@
+use winapi::shared::minwindef::{FALSE, TRUE};
+use winapi::shared::ntdef::NULL;
+use winapi::um::minwinbase::SECURITY_ATTRIBUTES;
+use winapi::um::wincon::{
+    CreateConsoleScreenBuffer, GetConsoleScreenBufferInfo, SetConsoleActiveScreenBuffer,
+    SetConsoleScreenBufferSize, CONSOLE_SCREEN_BUFFER_INFO, CONSOLE_TEXTMODE_BUFFER, COORD,
+};
+use winapi::um::winnt::HANDLE;
+use winapi::um::winnt::{FILE_SHARE_READ, FILE_SHARE_WRITE, GENERIC_READ, GENERIC_WRITE};
+
+use super::{handle, kernel, Empty};
+use std::io::{self, ErrorKind, Result};
+use std::mem::size_of;
+use std::rc::Rc;
+use std::sync::Mutex;
+use ScreenManager;
+
+/// Create a new console screen buffer info struct.
+pub fn get_csbi(screen_manager: &Rc<Mutex<ScreenManager>>) -> Result<CONSOLE_SCREEN_BUFFER_INFO> {
+    let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
+    let success;
+
+    unsafe {
+        success = GetConsoleScreenBufferInfo(handle::get_current_handle(screen_manager)?, &mut csbi)
+    }
+
+    if success == 0 {
+        return Err(io::Error::new(
+            io::ErrorKind::Other,
+            "Could not get console screen buffer info",
+        ));
+    }
+
+    Ok(csbi)
+}
+
+/// Get buffer info and handle of the current screen.
+pub fn get_csbi_and_handle(
+    screen_manager: &Rc<Mutex<ScreenManager>>,
+) -> Result<(CONSOLE_SCREEN_BUFFER_INFO, HANDLE)> {
+    let handle = handle::get_current_handle(screen_manager)?;
+    let csbi = get_csbi_by_handle(&handle)?;
+
+    return Ok((csbi, handle));
+}
+
+/// Create a new console screen buffer info struct.
+pub fn get_csbi_by_handle(handle: &HANDLE) -> Result<CONSOLE_SCREEN_BUFFER_INFO> {
+    let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
+
+    unsafe {
+        if !kernel::is_true(GetConsoleScreenBufferInfo(*handle, &mut csbi)) {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not get console screen buffer info",
+            ));
+        }
+    }
+
+    Ok(csbi)
+}
+
+/// Set the console screen buffer size
+pub fn set_console_screen_buffer_size(
+    size: COORD,
+    screen_manager: &Rc<Mutex<ScreenManager>>,
+) -> bool {
+    let handle = handle::get_current_handle(screen_manager).unwrap();
+
+    unsafe {
+        if !kernel::is_true(SetConsoleScreenBufferSize(handle, size)) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+}
+
+/// Create new console screen buffer. This can be used for alternate screen.
+pub fn create_console_screen_buffer() -> HANDLE {
+    let mut security_attr: SECURITY_ATTRIBUTES = SECURITY_ATTRIBUTES {
+        nLength: size_of::<SECURITY_ATTRIBUTES>() as u32,
+        lpSecurityDescriptor: NULL,
+        bInheritHandle: TRUE,
+    };
+
+    unsafe {
+        let new_screen_buffer = CreateConsoleScreenBuffer(
+            GENERIC_READ |           // read/write access
+                GENERIC_WRITE,
+            FILE_SHARE_READ | FILE_SHARE_WRITE, // shared
+            &mut security_attr,                 // default security attributes
+            CONSOLE_TEXTMODE_BUFFER,            // must be TEXTMODE
+            NULL,
+        );
+        new_screen_buffer
+    }
+}
+
+/// Set the active screen buffer to the given handle. This can be used for alternate screen.
+pub fn set_active_screen_buffer(new_buffer: HANDLE) -> Result<()> {
+    unsafe {
+        if !kernel::is_true(SetConsoleActiveScreenBuffer(new_buffer)) {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not set the active screen buffer",
+            ));
+        }
+    }
+    Ok(())
+}

src/kernel/windows_kernel/cursor.rs

@@ -1,8 +1,14 @@
 //! This module handles some logic for cursor interaction in the windows console.
 
-use super::super::super::manager::{ScreenManager, WinApiScreenManager};
+use winapi::shared::minwindef::{FALSE, TRUE};
-use super::kernel;
+use winapi::um::wincon::{
+    SetConsoleCursorInfo, SetConsoleCursorPosition, CONSOLE_CURSOR_INFO, COORD,
+};
 
+use super::super::super::manager::{ScreenManager, WinApiScreenManager};
+use super::{csbi, handle, kernel};
+
+use std::io::{self, ErrorKind, Result};
 use std::rc::Rc;
 use std::sync::Mutex;
 
@@ -12,7 +18,7 @@ static mut SAVED_CURSOR_POS: (u16, u16) = (0, 0);
 /// Reset to saved cursor position
 pub fn reset_to_saved_position(screen_manager: &Rc<Mutex<ScreenManager>>) {
     unsafe {
-        kernel::set_console_cursor_position(
+        set_console_cursor_position(
             SAVED_CURSOR_POS.0 as i16,
             SAVED_CURSOR_POS.1 as i16,
             screen_manager,
@@ -31,9 +37,61 @@ pub fn save_cursor_pos(screen_manager: &Rc<Mutex<ScreenManager>>) {
 
 /// get the current cursor position.
 pub fn pos(screen_manager: &Rc<Mutex<ScreenManager>>) -> (u16, u16) {
-    let csbi = kernel::get_console_screen_buffer_info(screen_manager);
+    if let Ok(csbi) = csbi::get_csbi(screen_manager) {
         (
             csbi.dwCursorPosition.X as u16,
             csbi.dwCursorPosition.Y as u16,
         )
+    } else {
+        (0, 0)
+    }
+}
+
+/// Set the cursor position to the given x and y. Note that this is 0 based.
+pub fn set_console_cursor_position(x: i16, y: i16, screen_manager: &Rc<Mutex<ScreenManager>>) {
+    if x < 0 || x >= <i16>::max_value() {
+        panic!(
+            "Argument Out of Range Exception when setting cursor position to X: {}",
+            x
+        );
+    }
+
+    if y < 0 || y >= <i16>::max_value() {
+        panic!(
+            "Argument Out of Range Exception when setting cursor position to Y: {}",
+            y
+        );
+    }
+
+    let handle = handle::get_current_handle(screen_manager).unwrap();
+
+    let position = COORD { X: x, Y: y };
+
+    unsafe {
+        let success = SetConsoleCursorPosition(handle, position);
+
+        if success == 0 {
+            panic!("Argument out of range when trying to set cursor position.");
+        }
+    }
+}
+
+/// change the cursor visibility.
+pub fn cursor_visibility(visable: bool, screen_manager: &Rc<Mutex<ScreenManager>>) -> Result<()> {
+    let handle = handle::get_current_handle(screen_manager).unwrap();
+
+    let cursor_info = CONSOLE_CURSOR_INFO {
+        dwSize: 100,
+        bVisible: if visable { TRUE } else { FALSE },
+    };
+
+    unsafe {
+        if !kernel::is_true(SetConsoleCursorInfo(handle, &cursor_info)) {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not get console screen buffer info",
+            ));
+        }
+    }
+    Ok(())
 }

src/kernel/windows_kernel/handle.rs

@@ -0,0 +1,72 @@
+use winapi::um::handleapi::INVALID_HANDLE_VALUE;
+use winapi::um::processenv::GetStdHandle;
+use winapi::um::winbase::{STD_INPUT_HANDLE, STD_OUTPUT_HANDLE};
+use winapi::um::winnt::HANDLE;
+
+use std::io::{self, ErrorKind, Result};
+use std::rc::Rc;
+use std::sync::Mutex;
+
+use super::super::super::manager::{ScreenManager, WinApiScreenManager};
+
+/// Get the global stored handle whits provides access to the current screen.
+pub fn get_current_handle(screen_manager: &Rc<Mutex<ScreenManager>>) -> Result<HANDLE> {
+    let mut mutex = screen_manager;
+
+    let handle: Result<HANDLE>;
+
+    let mut screen_manager = mutex.lock().unwrap();
+    {
+        let winapi_screen_manager: &mut WinApiScreenManager = match screen_manager
+            .as_any()
+            .downcast_mut::<WinApiScreenManager>()
+            {
+                Some(win_api) => win_api,
+                None => return Err(io::Error::new(io::ErrorKind::Other,"Could not convert to winapi screen manager, this could happen when the user has an ANSI screen manager and is calling the platform specific operations 'get_cursor_pos' or 'get_terminal_size'"))
+            };
+
+        handle = Ok(*winapi_screen_manager.get_handle());
+    }
+
+    return handle;
+}
+
+/// Get the std_output_handle of the console
+pub fn get_output_handle() -> Result<HANDLE> {
+    unsafe {
+        let handle = GetStdHandle(STD_OUTPUT_HANDLE);
+
+        if !is_valid_handle(&handle) {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not get output handle!",
+            ));
+        }
+        Ok(handle)
+    }
+}
+
+/// Get the std_input_handle of the console
+pub fn get_input_handle() -> Result<HANDLE> {
+    unsafe {
+        let handle = GetStdHandle(STD_INPUT_HANDLE);
+
+        if !is_valid_handle(&handle) {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not get input handle",
+            ));
+        }
+
+        Ok(handle)
+    }
+}
+
+/// Checks if the console handle is an invalid handle value.
+fn is_valid_handle(handle: &HANDLE) -> bool {
+    if *handle == INVALID_HANDLE_VALUE {
+        false
+    } else {
+        true
+    }
+}

src/kernel/windows_kernel/kernel.rs

@@ -8,9 +8,7 @@ use winapi::shared::minwindef::{FALSE, TRUE};
 use winapi::shared::ntdef::NULL;
 use winapi::um::consoleapi::WriteConsoleW;
 use winapi::um::consoleapi::{GetConsoleMode, SetConsoleMode};
-use winapi::um::handleapi::INVALID_HANDLE_VALUE;
+
-use winapi::um::processenv::GetStdHandle;
-use winapi::um::winbase::{STD_INPUT_HANDLE, STD_OUTPUT_HANDLE};
 use winapi::um::wincon;
 use winapi::um::wincon::{
     CreateConsoleScreenBuffer, FillConsoleOutputAttribute, FillConsoleOutputCharacterA,
@@ -23,206 +21,39 @@ use winapi::um::wincon::{
 };
 use winapi::um::winnt::HANDLE;
 
-use super::Empty;
+use super::{handle, Empty};
-static mut CONSOLE_OUTPUT_HANDLE: Option<HANDLE> = None;
-static mut CONSOLE_INPUT_HANDLE: Option<HANDLE> = None;
 
 use super::super::super::manager::{ScreenManager, WinApiScreenManager};
+use std::io::{ErrorKind, Result};
 use std::sync::Mutex;
 
-/// Get the global stored handle.
-pub fn get_current_handle(screen_manager: &Rc<Mutex<ScreenManager>>) -> HANDLE {
-    let mut mx_guard = screen_manager;
-
-    let handle: HANDLE;
-
-    let mut screen_manager = mx_guard.lock().unwrap();
-    {
-        let winapi_screen_manager: &mut WinApiScreenManager = match screen_manager
-            .as_any()
-            .downcast_mut::<WinApiScreenManager>()
-            {
-                Some(win_api) => win_api,
-                None => panic!(""),
-            };
-
-        handle = *winapi_screen_manager.get_handle();
-    }
-
-    return handle;
-}
-
-/// Get the std_output_handle of the console
-pub fn get_output_handle() -> HANDLE {
-    unsafe {
-        if let Some(handle) = CONSOLE_OUTPUT_HANDLE {
-            handle
-        } else {
-            let handle = GetStdHandle(STD_OUTPUT_HANDLE);
-
-            if !is_valid_handle(&handle) {
-                panic!("Cannot get output handle")
-            }
-
-            CONSOLE_OUTPUT_HANDLE = Some(handle);
-            handle
-        }
-    }
-}
-
-/// Get the std_input_handle of the console
-pub fn get_input_handle() -> HANDLE {
-    unsafe {
-        if let Some(handle) = CONSOLE_INPUT_HANDLE {
-            handle
-        } else {
-            let handle = GetStdHandle(STD_INPUT_HANDLE);
-
-            if !is_valid_handle(&handle) {
-                panic!("Cannot get input handle")
-            }
-
-            CONSOLE_INPUT_HANDLE = Some(handle);
-            handle
-        }
-    }
-}
-
-/// Checks if the console handle is an invalid handle value.
-fn is_valid_handle(handle: &HANDLE) -> bool {
-    if *handle == INVALID_HANDLE_VALUE {
-        false
-    } else {
-        true
-    }
-}
-/// Create a new console screen buffer info struct.
-pub fn get_console_screen_buffer_info(
-    screen_manager: &Rc<Mutex<ScreenManager>>,
-) -> CONSOLE_SCREEN_BUFFER_INFO {
-
-    let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
-    let success;
-
-    unsafe { success = GetConsoleScreenBufferInfo(get_current_handle(screen_manager), &mut csbi) }
-
-    if success == 0 {
-        panic!("Cannot get console screen buffer info");
-    }
-
-    csbi
-}
-
-/// Create a new console screen buffer info struct.
-pub fn get_std_console_screen_buffer_info() -> CONSOLE_SCREEN_BUFFER_INFO {
-
-    let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
-    let success;
-
-    unsafe { success = GetConsoleScreenBufferInfo(get_output_handle(), &mut csbi) }
-
-    if success == 0 {
-        panic!("Cannot get console screen buffer info");
-    }
-
-    csbi
-}
-
-/// Get buffer info and handle of the current screen.
-pub fn get_buffer_info_and_hande(screen_manager: &Rc<Mutex<ScreenManager>>) -> (CONSOLE_SCREEN_BUFFER_INFO, HANDLE)
-{
-   let handle = get_current_handle(screen_manager);
-    let csbi = get_console_screen_buffer_info_from_handle(&handle);
-
-    return (csbi, handle)
-}
-
-/// Create a new console screen buffer info struct.
-pub fn get_console_screen_buffer_info_from_handle(handle: &HANDLE) -> CONSOLE_SCREEN_BUFFER_INFO {
-    let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
-    let success;
-
-    unsafe { success = GetConsoleScreenBufferInfo(*handle, &mut csbi) }
-
-    if success == 0 {
-        panic!("Cannot get console screen buffer info");
-    }
-
-    csbi
-}
-
 /// Get the largest console window size possible.
 pub fn get_largest_console_window_size() -> COORD {
-    let output_handle = get_output_handle();
+    let output_handle = handle::get_output_handle().unwrap();
 
     unsafe { GetLargestConsoleWindowSize(output_handle) }
 }
 
-/// Get the original color of the terminal.
-pub fn get_original_console_color(screen_manager: &Rc<Mutex<ScreenManager>>) -> u16 {
-    let console_buffer_info = get_console_screen_buffer_info(screen_manager);
-    console_buffer_info.wAttributes as u16
-}
-
 /// Set the console mode to the given console mode.
 pub fn set_console_mode(handle: &HANDLE, console_mode: u32) -> bool {
     unsafe {
-        let success = SetConsoleMode(*handle, console_mode);
+        return is_true(SetConsoleMode(*handle, console_mode));
-        return is_true(success);
     }
 }
 
 /// Get the console mode.
 pub fn get_console_mode(handle: &HANDLE, current_mode: &mut u32) -> bool {
     unsafe {
-        let success = GetConsoleMode(*handle, &mut *current_mode);
+        return is_true(GetConsoleMode(*handle, &mut *current_mode));
-        return is_true(success);
-    }
-}
-
-/// Set the cursor position to the given x and y. Note that this is 0 based.
-pub fn set_console_cursor_position(x: i16, y: i16, screen_manager: &Rc<Mutex<ScreenManager>>) {
-    if x < 0 || x >= <i16>::max_value() {
-        panic!("X: {}, Argument Out of Range Exception", x);
-    }
-
-    if y < 0 || y >= <i16>::max_value() {
-        panic!("Y: {}, Argument Out of Range Exception", y);
-    }
-
-    let handle = get_current_handle(screen_manager);
-
-    let position = COORD { X: x, Y: y };
-
-    unsafe {
-        let success = SetConsoleCursorPosition(handle, position);
-
-        if success == 0 {
-            panic!("Argument out of range.");
-        }
-    }
-}
-
-/// change the cursor visibility.
-pub fn cursor_visibility(visable: bool, screen_manager: &Rc<Mutex<ScreenManager>>) {
-    let handle = get_current_handle(screen_manager);
-
-    let cursor_info = CONSOLE_CURSOR_INFO {
-        dwSize: 100,
-        bVisible: if visable { TRUE } else { FALSE },
-    };
-
-    unsafe {
-        SetConsoleCursorInfo(handle, &cursor_info);
     }
 }
 
 /// Change the console text attribute.
-pub fn set_console_text_attribute(value: u16, screen_manager: &Rc<Mutex<ScreenManager>>) {
+pub fn set_console_text_attribute(value: u16, screen_manager: &Rc<Mutex<ScreenManager>>) -> bool {
-    let handle = get_current_handle(screen_manager);
+    let handle = handle::get_current_handle(screen_manager).unwrap();
 
     unsafe {
-        SetConsoleTextAttribute(handle, value);
+        return is_true(SetConsoleTextAttribute(handle, value));
     }
 }
 
@@ -232,71 +63,17 @@ pub fn set_console_info(
     rect: &SMALL_RECT,
     screen_manager: &Rc<Mutex<ScreenManager>>,
 ) -> bool {
-    let handle = get_current_handle(screen_manager);
+    let handle = handle::get_current_handle(screen_manager).unwrap();
 
     let absolute = match absolute {
         true => 1,
         false => 0,
     };
     unsafe {
-        let success = SetConsoleWindowInfo(handle, absolute, rect);
+        return is_true(SetConsoleWindowInfo(handle, absolute, rect));
-        is_true(success)
     }
 }
 
-/// Set the console screen buffer size
-pub fn set_console_screen_buffer_size(
-    size: COORD,
-    screen_manager: &Rc<Mutex<ScreenManager>>,
-) -> bool {
-
-    let handle = get_current_handle(screen_manager);
-
-    unsafe {
-        let success = SetConsoleScreenBufferSize(handle, size);
-        is_true(success)
-    }
-}
-
-
-
-/// Create new console screen buffer. This can be used for alternate screen.
-pub fn create_console_screen_buffer() -> HANDLE {
-    use std::mem::size_of;
-    use winapi::shared::ntdef::NULL;
-    use winapi::um::minwinbase::SECURITY_ATTRIBUTES;
-    use winapi::um::wincon::CONSOLE_TEXTMODE_BUFFER;
-    use winapi::um::winnt::{FILE_SHARE_READ, FILE_SHARE_WRITE, GENERIC_READ, GENERIC_WRITE};
-
-    unsafe {
-        let mut security_attr: SECURITY_ATTRIBUTES = SECURITY_ATTRIBUTES {
-            nLength: size_of::<SECURITY_ATTRIBUTES>() as u32,
-            lpSecurityDescriptor: NULL,
-            bInheritHandle: TRUE,
-        };
-
-        let new_screen_buffer = CreateConsoleScreenBuffer(
-            GENERIC_READ |           // read/write access
-                GENERIC_WRITE,
-            FILE_SHARE_READ | FILE_SHARE_WRITE, // shared
-            &mut security_attr,                 // default security attributes
-            CONSOLE_TEXTMODE_BUFFER,            // must be TEXTMODE
-            NULL,
-        );
-        new_screen_buffer
-    }
-}
-
-/// Set the active screen buffer to the given handle. This can be used for alternate screen.
-pub fn set_active_screen_buffer(new_buffer: HANDLE) {
-    unsafe {
-        if !is_true(SetConsoleActiveScreenBuffer(new_buffer)) {
-            panic!("Cannot set active screen buffer");
-        }
-    }
-}
-
-
 /// Parse integer to an bool
 pub fn is_true(value: i32) -> bool {
     if value == 0 {
@@ -305,3 +82,9 @@ pub fn is_true(value: i32) -> bool {
         return true;
     }
 }
+
+///// Get the original color of the terminal.
+//pub fn get_original_console_color(screen_manager: &Rc<Mutex<ScreenManager>>) -> u16 {
+//    let console_buffer_info = csbi::get_console_screen_buffer_info(screen_manager);
+//    console_buffer_info.wAttributes as u16
+//}

src/kernel/windows_kernel/mod.rs

@@ -5,7 +5,9 @@ pub mod cursor;
 pub mod kernel;
 pub mod terminal;
 pub mod writing;
-pub mod reading;
+//pub mod reading;
+pub mod csbi;
+pub mod handle;
 
 use self::winapi::um::wincon::{CONSOLE_SCREEN_BUFFER_INFO, COORD, SMALL_RECT};
 use shared::traits::Empty;

src/kernel/windows_kernel/reading.rs

@@ -1,84 +1,84 @@
-use { Context, ScreenManager };
+//use { Context, ScreenManager };
-use std::rc::Rc;
+//use std::rc::Rc;
-use std::sync::Mutex;
+//use std::sync::Mutex;
-
+//
-use winapi::um::consoleapi::ReadConsoleW;
+//use winapi::um::consoleapi::ReadConsoleW;
-use winapi::um::winnt::HANDLE;
+//use winapi::um::winnt::HANDLE;
-use winapi::um::wincon::{ COORD, PSMALL_RECT, ReadConsoleOutputA, CHAR_INFO, };
+//use winapi::um::wincon::{ COORD, PSMALL_RECT, ReadConsoleOutputA, CHAR_INFO, };
-use winapi::shared::minwindef::{ DWORD, LPDWORD, LPVOID };
+//use winapi::shared::minwindef::{ DWORD, LPDWORD, LPVOID };
-use winapi::shared::ntdef::NULL;
+//use winapi::shared::ntdef::NULL;
-
+//
-use super::kernel;
+//use super::kernel;
-use winapi::ctypes::c_void;
+//use winapi::ctypes::c_void;
-
+//
-pub fn read(buf: &mut [u8], screen_manager: &Rc<Mutex<ScreenManager>>) {
+//pub fn read(buf: &mut [u8], screen_manager: &Rc<Mutex<ScreenManager>>) {
-//    // Read more if the buffer is empty
+////    // Read more if the buffer is empty
-//    let mut utf16: Vec<u16> = Vec::new();
+////    let mut utf16: Vec<u16> = Vec::new();
-//    let mut num: DWORD = 0;
+////    let mut num: DWORD = 0;
+////
+////    let handle = kernel::get_current_handle(&screen_manager);
+////
+////    unsafe {
+////        ReadConsoleW(handle,
+////                                utf16.as_mut_ptr() as LPVOID,
+////                                utf16.len() as u32,
+////                                &mut num as LPDWORD,
+////                                ptr::mut_null())
+////    };
+////
+////    utf16.truncate(num as uint);
+////    let utf8 = match from_utf16(utf16.as_slice()) {
+////        Some(utf8) => utf8.into_bytes(),
+////        None => {}
+////    };
+////
+////    panic!(utf8);
+//
+//}
+//
+//pub fn read_line(screen_manager: &Rc<Mutex<ScreenManager>>) -> ::std::io::Result<String>
+//{
+//    const BUFFER_LENGHT: u32 = 1024;
+//    let mut buffer: &mut [CHAR_INFO; BUFFER_LENGHT as usize] = unsafe {::std::mem::zeroed() };
 //
 //    let handle = kernel::get_current_handle(&screen_manager);
 //
+//    let mut dw_mode: DWORD = 0;
+//    let console_mode = kernel::get_console_mode(&handle, &mut dw_mode);
+//
+//    let ptr = buffer.as_ptr() as *const _ as *mut c_void;
+//    let mut chars_read: u32 = 0;
+//
+//    panic!();
+//    unsafe
+//    {
+//        ReadConsoleW(handle, ptr, BUFFER_LENGHT , &mut chars_read, unsafe {::std::mem::zeroed() });
+//    }
+//
+//    Ok(String::new())
+//}
+//
+///// Read the console outptut.
+//pub fn read_console_output(
+//    read_buffer: &HANDLE,
+//    copy_buffer: &mut [CHAR_INFO; 160],
+//    buffer_size: COORD,
+//    buffer_coord: COORD,
+//    source_buffer: PSMALL_RECT,
+//) {
+//
+//
 //    unsafe {
-//        ReadConsoleW(handle,
+//        if !kernel::is_true(
-//                                utf16.as_mut_ptr() as LPVOID,
+//            ReadConsoleOutputA(
-//                                utf16.len() as u32,
+//                *read_buffer,             // screen buffer to read from
-//                                &mut num as LPDWORD,
+//                copy_buffer.as_mut_ptr(), // buffer to copy into
-//                                ptr::mut_null())
+//                buffer_size,              // col-row size of chiBuffer
-//    };
+//                buffer_coord,             // top left dest. cell in chiBuffer
-//
+//                source_buffer,
-//    utf16.truncate(num as uint);
+//            ), // screen buffer source rectangle
-//    let utf8 = match from_utf16(utf16.as_slice()) {
+//        ) {
-//        Some(utf8) => utf8.into_bytes(),
+//            panic!("Cannot read console output");
-//        None => {}
+//        }
-//    };
+//    }
-//
+//}
-//    panic!(utf8);
-
-}
-
-pub fn read_line(screen_manager: &Rc<Mutex<ScreenManager>>) -> ::std::io::Result<String>
-{
-    const BUFFER_LENGHT: u32 = 1024;
-    let mut buffer: &mut [CHAR_INFO; BUFFER_LENGHT as usize] = unsafe {::std::mem::zeroed() };
-
-    let handle = kernel::get_current_handle(&screen_manager);
-
-    let mut dw_mode: DWORD = 0;
-    let console_mode = kernel::get_console_mode(&handle, &mut dw_mode);
-
-    let ptr = buffer.as_ptr() as *const _ as *mut c_void;
-    let mut chars_read: u32 = 0;
-
-    panic!();
-    unsafe
-    {
-        ReadConsoleW(handle, ptr, BUFFER_LENGHT , &mut chars_read, unsafe {::std::mem::zeroed() });
-    }
-
-    Ok(String::new())
-}
-
-/// Read the console outptut.
-pub fn read_console_output(
-    read_buffer: &HANDLE,
-    copy_buffer: &mut [CHAR_INFO; 160],
-    buffer_size: COORD,
-    buffer_coord: COORD,
-    source_buffer: PSMALL_RECT,
-) {
-
-
-    unsafe {
-        if !kernel::is_true(
-            ReadConsoleOutputA(
-                *read_buffer,             // screen buffer to read from
-                copy_buffer.as_mut_ptr(), // buffer to copy into
-                buffer_size,              // col-row size of chiBuffer
-                buffer_coord,             // top left dest. cell in chiBuffer
-                source_buffer,
-            ), // screen buffer source rectangle
-        ) {
-            panic!("Cannot read console output");
-        }
-    }
-}

src/kernel/windows_kernel/terminal.rs

@@ -2,13 +2,18 @@ use std::rc::Rc;
 use std::sync::Mutex;
 use ScreenManager;
 
+use super::csbi;
+
 /// Get the terminal size
 pub fn terminal_size(screen_manager: &Rc<Mutex<ScreenManager>>) -> (u16, u16) {
-    let csbi = super::kernel::get_console_screen_buffer_info(screen_manager);
+    if let Ok(csbi) = csbi::get_csbi(screen_manager) {
         (
             (csbi.srWindow.Right - csbi.srWindow.Left) as u16,
             (csbi.srWindow.Bottom - csbi.srWindow.Top) as u16,
         )
+    } else {
+        return (0, 0);
+    }
 }
 
 /// Exit the current process.

src/kernel/windows_kernel/writing.rs

@@ -1,14 +1,19 @@
-use { Context, ScreenManager };
+use winapi::ctypes::c_void;
-use std::rc::Rc;
-use std::sync::Mutex;
-
-use winapi::um::wincon;
-use winapi::um::winnt::HANDLE;
-use winapi::um::consoleapi::WriteConsoleW;
-use winapi::um::wincon::{WriteConsoleOutputA, PSMALL_RECT, FillConsoleOutputAttribute, FillConsoleOutputCharacterA, COORD, CHAR_INFO};
 use winapi::shared::ntdef::NULL;
+use winapi::um::consoleapi::WriteConsoleW;
+use winapi::um::wincon::{
+    self, FillConsoleOutputAttribute, FillConsoleOutputCharacterA, WriteConsoleOutputA, CHAR_INFO,
+    COORD, PSMALL_RECT,
+};
+use winapi::um::winnt::HANDLE;
 
-use super::kernel;
+use super::{csbi, handle, kernel};
+use {Context, ScreenManager};
+
+use std::io::{self, ErrorKind, Result};
+use std::rc::Rc;
+use std::str;
+use std::sync::Mutex;
 
 /// Fill a certain block with characters.
 pub fn fill_console_output_character(
@@ -17,8 +22,7 @@ pub fn fill_console_output_character(
     cells_to_write: u32,
     screen_manager: &Rc<Mutex<ScreenManager>>,
 ) -> bool {
-
+    let handle = handle::get_current_handle(screen_manager).unwrap();
-    let handle = kernel::get_current_handle(screen_manager);
 
     unsafe {
         // fill the cells in console with blanks
@@ -42,7 +46,7 @@ pub fn fill_console_output_attribute(
 ) -> bool {
     // Get the position of the current console window
 
-    let (csbi, mut handle) = kernel::get_buffer_info_and_hande(screen_manager);
+    let (csbi, mut handle) = csbi::get_csbi_and_handle(screen_manager).unwrap();
 
     let success;
 
@@ -66,9 +70,7 @@ pub fn write_console_output(
     buffer_size: COORD,
     buffer_coord: COORD,
     source_buffer: PSMALL_RECT,
-) {
+) -> Result<()> {
-    use self::wincon::WriteConsoleOutputA;
-
     unsafe {
         if !kernel::is_true(
             WriteConsoleOutputA(
@@ -79,27 +81,34 @@ pub fn write_console_output(
                 source_buffer,
             ), // screen buffer source rectangle
         ) {
-            panic!("Cannot write to console output");
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not write to terminal",
+            ));
         }
     }
-}
 
-use winapi::ctypes::c_void;
+    Ok(())
-use std::str;
+}
 
 /// Write utf8 buffer to console.
 pub fn write_char_buffer(handle: &HANDLE, buf: &[u8]) -> ::std::io::Result<usize> {
     // get string from u8[] and parse it to an c_str
     let mut utf8 = match str::from_utf8(buf) {
         Ok(string) => string,
-        Err(_) => "123",
+        Err(_) => {
+            return Err(io::Error::new(
+                io::ErrorKind::Other,
+                "Could not parse input to utf8 string.",
+            ))
+        }
     };
 
     let utf16: Vec<u16> = utf8.encode_utf16().collect();
     let utf16_ptr: *const c_void = utf16.as_ptr() as *const _ as *const c_void;
 
     // get buffer info
-    let csbi = kernel::get_console_screen_buffer_info_from_handle(handle);
+    let csbi = csbi::get_csbi_by_handle(handle)?;
 
     // get current position
     let current_pos = COORD {
@@ -108,7 +117,6 @@ pub fn write_char_buffer(handle: &HANDLE, buf: &[u8]) -> ::std::io::Result<usize
     };
 
     let mut cells_written: u32 = 0;
-
     let mut success = false;
     // write to console
     unsafe {
@@ -121,10 +129,9 @@ pub fn write_char_buffer(handle: &HANDLE, buf: &[u8]) -> ::std::io::Result<usize
         ));
     }
 
-    match success
+    match success {
-        {
         // think this is wrong could be done better!
         true => Ok(utf8.as_bytes().len()),
-            false => Ok(0)
+        false => Ok(0),
     }
 }

src/lib.rs

@@ -9,15 +9,15 @@ mod kernel;
 mod state;
 
 pub mod cursor;
+pub mod input;
 pub mod manager;
 pub mod style;
 pub mod terminal;
-pub mod input;
 
-pub use state::context::Context;
 pub use shared::crossterm::Crossterm;
-pub use shared::screen;
 pub use shared::raw;
+pub use shared::screen;
+pub use state::context::Context;
 
 use manager::ScreenManager;
 use state::command_manager::CommandManager;

src/manager/ansi_manager.rs

@@ -3,14 +3,14 @@
 //! This module uses the stdout to write to the console.
 
 use std::any::Any;
-use std::io::{self, Write, Read };
+use std::io::{self, Read, Write};
 
 use super::IScreenManager;
 
 pub struct AnsiScreenManager {
     pub is_alternate_screen: bool,
     output: Box<Write>,
-    input: Box<Read>
+    input: Box<Read>,
 }
 
 impl IScreenManager for AnsiScreenManager {
@@ -30,19 +30,19 @@ impl IScreenManager for AnsiScreenManager {
         Ok(0)
     }
 
-//    fn read_line(&mut self) -> io::Result<String>
+    //    fn read_line(&mut self) -> io::Result<String>
-//    {
+    //    {
-//        let mut rv = String::new();
+    //        let mut rv = String::new();
-//        self.input.read_line(&mut rv)?;
+    //        self.input.read_line(&mut rv)?;
-//        let len = rv.trim_right_matches(&['\r', '\n'][..]).len();
+    //        let len = rv.trim_right_matches(&['\r', '\n'][..]).len();
-//        rv.truncate(len);
+    //        rv.truncate(len);
-//        Ok(rv)
+    //        Ok(rv)
-//    }
+    //    }
-//
+    //
-//    fn read_char(&mut self) -> io::Result<String>
+    //    fn read_char(&mut self) -> io::Result<String>
-//    {
+    //    {
-//
+    //
-//    }
+    //    }
 
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         self.output.write(buf)

src/manager/manager.rs

@@ -45,8 +45,7 @@ impl ScreenManager {
     }
 
     /// Write an ANSI code as &str
-    pub fn write_str(&mut self, string: &str) -> io::Result<usize>
+    pub fn write_str(&mut self, string: &str) -> io::Result<usize> {
-    {
         self.screen_manager.write_str(string)
     }
 

src/manager/win_manager.rs

@@ -1,7 +1,5 @@
 use super::IScreenManager;
-
+use kernel::windows_kernel::{handle, kernel, writing};
-use kernel::windows_kernel::kernel;
-use kernel::windows_kernel::writing;
 use winapi::um::wincon::ENABLE_PROCESSED_OUTPUT;
 use winapi::um::winnt::HANDLE;
 
@@ -20,13 +18,11 @@ impl IScreenManager for WinApiScreenManager {
         self.is_alternate_screen = is_alternate_screen;
     }
 
-    fn write_string(&mut self, string: String) -> io::Result<usize>
+    fn write_string(&mut self, string: String) -> io::Result<usize> {
-    {
         self.write(string.as_bytes())
     }
 
-    fn write_str(&mut self, string: &str) -> io::Result<usize>
+    fn write_str(&mut self, string: &str) -> io::Result<usize> {
-    {
         self.write(string.as_bytes())
     }
 
@@ -51,9 +47,9 @@ impl IScreenManager for WinApiScreenManager {
 impl WinApiScreenManager {
     pub fn new() -> Self {
         WinApiScreenManager {
-            output: kernel::get_output_handle(),
+            output: handle::get_output_handle().unwrap(),
             is_alternate_screen: false,
-            alternate_handle: kernel::get_output_handle(),
+            alternate_handle: handle::get_output_handle().unwrap(),
         }
     }
 
@@ -69,7 +65,6 @@ impl WinApiScreenManager {
     pub fn get_handle(&mut self) -> &HANDLE {
         if self.is_alternate_screen {
             return &self.alternate_handle;
-
         } else {
             return &self.output;
         }

src/shared/crossterm.rs

@@ -22,20 +22,18 @@
 //!      let cursor = crossterm.cursor();
 //!      let terminal = crossterm.terminal();
 
-
-
 use super::super::cursor;
+use super::super::input::input;
 use super::super::style;
 use super::super::terminal::terminal;
-use super::super::input::input;
 
 use Context;
 
+use std::convert::From;
 use std::fmt::Display;
 use std::mem;
 use std::rc::Rc;
 use std::sync::Arc;
-use std::convert::From;
 
 /// Because it can seem a little odd to constantly create an `Context` and provide it to modules like: `cursor, color and terminal`.
 /// You can better use `Crossterm` for accessing these modules.
@@ -48,22 +46,21 @@ use std::convert::From;
 ///      let cursor = crossterm.cursor();
 ///      let terminal = crossterm.terminal();
 pub struct Crossterm {
-    context: Rc<Context>
+    context: Rc<Context>,
 }
 
 /// Create `Crossterm` instance from `Context`
-impl From<Rc<Context>> for Crossterm
+impl From<Rc<Context>> for Crossterm {
-{
     fn from(context: Rc<Context>) -> Self {
-        return Crossterm {
+        return Crossterm { context: context };
-            context: context
-        }
     }
 }
 
 impl Crossterm {
     pub fn new() -> Crossterm {
-        return Crossterm { context: Context::new() };
+        return Crossterm {
+            context: Context::new(),
+        };
     }
 
     /// Get an Terminal implementation whereon terminal related actions can be performed.
@@ -80,8 +77,7 @@ impl Crossterm {
     /// let mut terminal = crossterm.terminal();
     ///
     /// ```
-    pub fn terminal(&self) -> terminal::Terminal
+    pub fn terminal(&self) -> terminal::Terminal {
-    {
         return terminal::Terminal::new(self.context.clone());
     }
 
@@ -102,9 +98,8 @@ impl Crossterm {
     /// cursor.goto(5,10);
     ///
     /// ```
-    pub fn cursor(&self) -> cursor::TerminalCursor
+    pub fn cursor(&self) -> cursor::TerminalCursor {
-    {
+        return cursor::TerminalCursor::new(self.context.clone());
-        return cursor::TerminalCursor::new(self.context.clone())
     }
 
     /// Get an Color implementation whereon color related actions can be performed.
@@ -123,13 +118,11 @@ impl Crossterm {
     /// let mut terminal_color = crossterm.color();
     ///
     /// ```
-    pub fn color(&self) -> style::TerminalColor
+    pub fn color(&self) -> style::TerminalColor {
-    {
         return style::TerminalColor::new(self.context.clone());
     }
 
-    pub fn input(&self) -> input::TerminalInput
+    pub fn input(&self) -> input::TerminalInput {
-    {
         return input::TerminalInput::new(self.context.clone());
     }
 
@@ -179,8 +172,7 @@ impl Crossterm {
     /// crossterm.write("Some text \n Some text on new line.");
     ///
     /// ```
-    pub fn write<D: Display>(&self, value: D)
+    pub fn write<D: Display>(&self, value: D) {
-    {
         self.terminal().write(value)
     }
 

src/shared/functions.rs

@@ -54,9 +54,9 @@ pub fn get_module<T>(winapi_impl: T, unix_impl: T) -> Option<T> {
         use kernel::windows_kernel::ansi_support::try_enable_ansi_support;
 
         //   Try to enable ansi on windows if not than use WINAPI.
-//        does_support = try_enable_ansi_support();
+        does_support = try_enable_ansi_support();
 
-        does_support = false;
+        //        does_support = false;
         if !does_support {
             term = Some(winapi_impl);
         }

src/shared/mod.rs

@@ -6,5 +6,5 @@ pub mod crossterm;
 pub mod functions;
 pub mod traits;
 
-pub mod screen;
 pub mod raw;
+pub mod screen;

src/shared/raw.rs

@@ -29,6 +29,25 @@ pub struct RawTerminal {
     command_id: u16,
 }
 
+impl RawTerminal {
+    pub fn new(context: &Rc<Context>) -> RawTerminal {
+        let command_id = EnableRawModeCommand::new(&context.state_manager);
+
+        RawTerminal {
+            context: context.clone(),
+            command_id: command_id,
+        }
+    }
+
+    pub fn enable(&self) -> bool {
+        CommandManager::execute(self.context.clone(), self.command_id)
+    }
+
+    pub fn disable(&self) -> bool {
+        CommandManager::undo(self.context.clone(), self.command_id)
+    }
+}
+
 /// Trait withs contains a method for switching into raw mode.
 pub trait IntoRawMode: Write + Sized {
     fn into_raw_mode(&self, context: Rc<Context>) -> io::Result<RawTerminal>;

src/shared/screen.rs

@@ -87,9 +87,9 @@ use shared::functions;
 use state::commands::*;
 use Context;
 
+use std::convert::From;
 use std::io::{self, Write};
 use std::rc::Rc;
-use std::convert::From;
 
 pub struct AlternateScreen {
     context: Rc<Context>,
@@ -167,8 +167,7 @@ impl Drop for AlternateScreen {
 
 use super::super::shared::crossterm::Crossterm;
 
-impl From<Crossterm> for AlternateScreen
+impl From<Crossterm> for AlternateScreen {
-{
     fn from(crossterm: Crossterm) -> Self {
         let command_id = get_to_alternate_screen_command(crossterm.context());
 

src/state/commands/win_commands.rs

@@ -3,7 +3,7 @@
 use super::IStateCommand;
 use {Context, StateManager};
 
-use kernel::windows_kernel::{ansi_support, kernel};
+use kernel::windows_kernel::{ansi_support, csbi, handle, kernel};
 use std::mem;
 use winapi::shared::minwindef::DWORD;
 use winapi::um::wincon;
@@ -34,7 +34,7 @@ impl IStateCommand for EnableAnsiCommand {
         if ansi_support::has_been_tried_to_enable_ansi() && ansi_support::ansi_enabled() {
             return ansi_support::windows_supportable();
         } else {
-            let output_handle = kernel::get_output_handle();
+            let output_handle = handle::get_output_handle().unwrap();
 
             let mut dw_mode: DWORD = 0;
             if !kernel::get_console_mode(&output_handle, &mut dw_mode) {
@@ -51,7 +51,7 @@ impl IStateCommand for EnableAnsiCommand {
 
     fn undo(&mut self) -> bool {
         if ansi_support::ansi_enabled() {
-            let output_handle = kernel::get_output_handle();
+            let output_handle = handle::get_output_handle().unwrap();
 
             let mut dw_mode: DWORD = 0;
             if !kernel::get_console_mode(&output_handle, &mut dw_mode) {
@@ -96,7 +96,7 @@ impl EnableRawModeCommand {
 
 impl IStateCommand for EnableRawModeCommand {
     fn execute(&mut self) -> bool {
-        let input_handle = kernel::get_input_handle();
+        let input_handle = handle::get_input_handle().unwrap();
 
         let mut dw_mode: DWORD = 0;
         if !kernel::get_console_mode(&input_handle, &mut dw_mode) {
@@ -113,7 +113,7 @@ impl IStateCommand for EnableRawModeCommand {
     }
 
     fn undo(&mut self) -> bool {
-        let output_handle = kernel::get_output_handle();
+        let output_handle = handle::get_output_handle().unwrap();
 
         let mut dw_mode: DWORD = 0;
         if !kernel::get_console_mode(&output_handle, &mut dw_mode) {
@@ -155,13 +155,13 @@ impl IStateCommand for ToAlternateScreenBufferCommand {
     fn execute(&mut self) -> bool {
         use super::super::super::manager::WinApiScreenManager;
 
-        let handle = kernel::get_output_handle();
+        let handle = handle::get_output_handle().unwrap();
 
         // create a new screen buffer to copy to.
-        let new_handle = kernel::create_console_screen_buffer();
+        let new_handle = csbi::create_console_screen_buffer();
 
         // Make the new screen buffer the active screen buffer.
-        kernel::set_active_screen_buffer(new_handle);
+        csbi::set_active_screen_buffer(new_handle);
 
         let mut screen_manager = self.context.screen_manager.lock().unwrap();
         screen_manager.toggle_is_alternate_screen(true);
@@ -180,8 +180,8 @@ impl IStateCommand for ToAlternateScreenBufferCommand {
     }
 
     fn undo(&mut self) -> bool {
-        let handle = kernel::get_output_handle();
+        let handle = handle::get_output_handle().unwrap();
-        kernel::set_active_screen_buffer(handle);
+        csbi::set_active_screen_buffer(handle);
 
         {
             let mut screen_manager = self.context.screen_manager.lock().unwrap();

src/state/context.rs

@@ -48,16 +48,16 @@
 
 use {ScreenManager, StateManager};
 
+use std::marker::Sync;
 use std::rc::Rc;
 use std::sync::Mutex;
-use std::marker::Sync;
 /// This type is the context of the current terminal. The context is a wrapper for states changes of the terminal and can be used for managing the output of the terminal.
 pub struct Context {
     pub screen_manager: Rc<Mutex<ScreenManager>>,
     pub state_manager: Mutex<StateManager>,
 }
 
-impl Context{
+impl Context {
     /// Create new Context instance so that you can provide it to other modules like terminal, cursor and color
     ///
     /// This context type is just an wrapper that crossterm uses for managing the state the terminal.

src/style/color/ansi_color.rs

@@ -9,9 +9,8 @@ use std::rc::Rc;
 use std::sync::Mutex;
 
 /// This struct is an ansi implementation for color related actions.
-pub struct AnsiColor
+pub struct AnsiColor {
-{
+    screen_manager: Rc<Mutex<ScreenManager>>,
-    screen_manager: Rc<Mutex<ScreenManager>>
 }
 
 impl AnsiColor {
@@ -21,7 +20,7 @@ impl AnsiColor {
 }
 
 impl ITerminalColor for AnsiColor {
-    fn set_fg(&self, fg_color: Color ) {
+    fn set_fg(&self, fg_color: Color) {
         let mx_guard = &self.screen_manager;
         let mut screen = mx_guard.lock().unwrap();
 

src/style/color/winapi_color.rs

@@ -1,9 +1,9 @@
+use super::super::super::manager::WinApiScreenManager;
 use super::super::{Color, ColorType};
 use super::ITerminalColor;
-use kernel::windows_kernel::kernel;
+use kernel::windows_kernel::{csbi, kernel};
 use winapi::um::wincon;
 use ScreenManager;
-use super::super::super::manager::WinApiScreenManager;
 
 use std::rc::Rc;
 use std::sync::Mutex;
@@ -25,7 +25,7 @@ impl ITerminalColor for WinApiColor {
     fn set_fg(&self, fg_color: Color) {
         let color_value = &self.color_value(fg_color, ColorType::Foreground);
 
-        let csbi = kernel::get_console_screen_buffer_info(&self.screen_manager);
+        let csbi = csbi::get_csbi(&self.screen_manager).unwrap();
 
         // Notice that the color values are stored in wAttribute.
         // So we need to use bitwise operators to check if the values exists or to get current console colors.
@@ -46,7 +46,7 @@ impl ITerminalColor for WinApiColor {
     fn set_bg(&self, bg_color: Color) {
         let color_value = &self.color_value(bg_color, ColorType::Background);
 
-        let (csbi,handle) = kernel::get_buffer_info_and_hande(&self.screen_manager);
+        let (csbi, handle) = csbi::get_csbi_and_handle(&self.screen_manager).unwrap();
 
         // Notice that the color values are stored in wAttribute.
         // So wee need to use bitwise operators to check if the values exists or to get current console colors.

src/style/styles/objectstyle.rs

@@ -32,8 +32,7 @@ impl Default for ObjectStyle {
 
 impl ObjectStyle {
     /// Apply an `StyledObject` to the passed displayable object.
-    pub fn apply_to<D: Display>(&self, val: D, context: Rc<Context>) -> StyledObject<D>
+    pub fn apply_to<D: Display>(&self, val: D, context: Rc<Context>) -> StyledObject<D> {
-    {
         StyledObject {
             object_style: self.clone(),
             context: context,

src/style/styles/styledobject.rs

@@ -2,7 +2,7 @@
 
 use Context;
 
-use std::fmt::{self,Display};
+use std::fmt::{self, Display};
 use std::io::Write;
 use std::rc::Rc;
 
@@ -21,7 +21,7 @@ pub struct StyledObject<D: Display> {
     pub context: Rc<Context>,
 }
 
-impl<D: Display> StyledObject<D>{
+impl<D: Display> StyledObject<D> {
     /// Set the foreground of the styled object to the passed `Color`
     ///
     /// #Example
@@ -146,10 +146,8 @@ impl<D: Display> StyledObject<D>{
     }
 }
 
-impl <D:Display> Display for StyledObject<D>
+impl<D: Display> Display for StyledObject<D> {
-{
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
-
         let mut colored_terminal = super::super::color(&self.context);
         let mut reset = true;
 

src/terminal/ansi_terminal.rs

@@ -1,8 +1,8 @@
 //! This is an `ANSI escape code` specific implementation for terminal related action.
 //! This module is used for windows 10 terminals and unix terminals by default.
 
-use super::{ClearType, ITerminal, Rc};
 use super::super::cursor::cursor;
+use super::{ClearType, ITerminal, Rc};
 use shared::functions;
 use Context;
 
@@ -48,7 +48,6 @@ impl ITerminal for AnsiTerminal {
     fn scroll_up(&self, count: i16) {
         let mut screen = self.context.screen_manager.lock().unwrap();
         {
-            panic!();
             screen.write_string(format!(csi!("{}S"), count));
         }
     }

src/terminal/terminal.rs

@@ -176,7 +176,9 @@ impl Terminal {
     /// }
     ///
     /// ```
-    pub fn paint<D>(&self, val: D) -> style::StyledObject<D> where D: fmt::Display
+    pub fn paint<D>(&self, val: D) -> style::StyledObject<D>
+    where
+        D: fmt::Display,
     {
         style::ObjectStyle::new().apply_to(val, self.context.clone())
     }

src/terminal/winapi_terminal.rs

@@ -5,7 +5,7 @@ use super::super::shared::functions;
 use super::super::ScreenManager;
 use super::{ClearType, ITerminal, Rc};
 use cursor::cursor;
-use kernel::windows_kernel::{kernel, terminal, writing};
+use kernel::windows_kernel::{csbi, kernel, terminal, writing};
 use winapi::um::wincon::{CONSOLE_SCREEN_BUFFER_INFO, COORD, SMALL_RECT};
 use Context;
 
@@ -24,7 +24,7 @@ impl WinApiTerminal {
 
 impl ITerminal for WinApiTerminal {
     fn clear(&self, clear_type: ClearType) {
-        let csbi = kernel::get_console_screen_buffer_info(&self.context.screen_manager);
+        let csbi = csbi::get_csbi(&self.context.screen_manager).unwrap();
         let pos = cursor(&self.context).pos();
 
         match clear_type {
@@ -41,18 +41,18 @@ impl ITerminal for WinApiTerminal {
     }
 
     fn scroll_up(&self, count: i16) {
-        let csbi = kernel::get_console_screen_buffer_info(&self.context.screen_manager);
+        let csbi = csbi::get_csbi(&self.context.screen_manager).unwrap();
 
         // Set srctWindow to the current window size and location.
         let mut srct_window = csbi.srWindow;
 
-
         // Check whether the window is too close to the screen buffer top
         if srct_window.Top >= count {
             srct_window.Top -= count; // move top down
             srct_window.Bottom = count; // move bottom down
 
-            let success = kernel::set_console_info(false, &mut srct_window, &self.context.screen_manager);
+            let success =
+                kernel::set_console_info(false, &mut srct_window, &self.context.screen_manager);
             if success {
                 panic!("Something went wrong when scrolling down");
             }
@@ -60,20 +60,22 @@ impl ITerminal for WinApiTerminal {
     }
 
     fn scroll_down(&self, count: i16) {
-
+        let csbi = csbi::get_csbi(&self.context.screen_manager).unwrap();
-        let csbi = kernel::get_console_screen_buffer_info(&self.context.screen_manager);
         // Set srctWindow to the current window size and location.
         let mut srct_window = csbi.srWindow;
 
-        panic!("window top: {} , window bottom: {} | {}, {}", srct_window.Top, srct_window.Bottom, csbi.dwSize.Y, csbi.dwSize.X);
+        //        panic!("window top: {} , window bottom: {} | {}, {}", srct_window.Top, srct_window.Bottom, csbi.dwSize.Y, csbi.dwSize.X);
+
+        // Set srctWindow to the current window size and location.
+        srct_window = csbi.srWindow;
 
         // Check whether the window is too close to the screen buffer top
         if srct_window.Bottom < csbi.dwSize.Y - count {
             srct_window.Top += count; // move top down
             srct_window.Bottom += count; // move bottom down
 
-            let success = kernel::set_console_info(false, &mut srct_window, &self.context.screen_manager);
+            let success =
-
+                kernel::set_console_info(true, &mut srct_window, &self.context.screen_manager);
             if success {
                 panic!("Something went wrong when scrolling down");
             }
@@ -91,7 +93,7 @@ impl ITerminal for WinApiTerminal {
         }
 
         // Get the position of the current console window
-        let csbi = kernel::get_console_screen_buffer_info(&self.context.screen_manager);
+        let csbi = csbi::get_csbi(&self.context.screen_manager).unwrap();
         let mut success = false;
 
         // If the buffer is smaller than this new window size, resize the
@@ -120,7 +122,7 @@ impl ITerminal for WinApiTerminal {
         }
 
         if resize_buffer {
-            success = kernel::set_console_screen_buffer_size(size, &self.context.screen_manager);
+            success = csbi::set_console_screen_buffer_size(size, &self.context.screen_manager);
 
             if !success {
                 panic!("Something went wrong when setting screen buffer size.");
@@ -137,7 +139,7 @@ impl ITerminal for WinApiTerminal {
         if success {
             // If we resized the buffer, un-resize it.
             if resize_buffer {
-                kernel::set_console_screen_buffer_size(csbi.dwSize, &self.context.screen_manager);
+                csbi::set_console_screen_buffer_size(csbi.dwSize, &self.context.screen_manager);
             }
 
             let bounds = kernel::get_largest_console_window_size();