}

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

Cargo.toml

@@ -10,14 +10,21 @@ keywords = ["console", "color", "cursor", "terminal", "cli"]
 exclude = ["target", "Cargo.lock"]
 
 [dependencies]
+rand = "0.4.2"
+
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3", features = ["winbase","winuser","consoleapi","processenv","wincon", "handleapi"] }
 
+
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
+termios = "0.3.0"
+
+
 
 [[bin]]
-name = "example_bin"
-path = "./examples/bin.rs"
+name = "a"
+path = "examples//bin.rs"
+
 
 

examples/bin.rs

@@ -23,9 +23,35 @@ use self::crossterm::crossterm_terminal;
 pub mod color;
 pub mod cursor;
 pub mod terminal;
+use std::io::{Error, ErrorKind, Write};
+use std::io;
+use std::{time, thread};
+
+use self::crossterm_terminal::screen::AlternateScreen;
+use crossterm::crossterm_terminal::IntoRawMode;
+
+use crossterm::Context;
 
 fn main() {
-    color::paint_background();
-    color::paint_foreground();
-    color::paint_foreground_and_background();
-}
+    let mut context = Context::new();
+//
+    let mut screen = io::stdout().into_raw_mode(&mut context).unwrap();
+    {
+//        let mut screen = io::stdout();
+        crossterm_cursor::cursor().goto(10, 10);
+
+        let mut curs = crossterm::crossterm_cursor::cursor();
+        curs.move_up(1);
+//        print!("1");
+        write!(screen, "{}", "1");
+        curs.move_right(1);
+//        print!("2");
+        write!(screen, "{}", "2");
+        curs.move_down(1);
+//        print!("3");
+        write!(screen, "{}", "3");
+        curs.move_left(1);
+//        write!()!("4");
+        write!(screen, "{}", "4");
+    }
+}

src/Terminal.rs

@@ -0,0 +1,6 @@
+pub struct Crossterm;
+
+impl Crossterm
+{
+    fn
+}

src/crossterm_cursor/ansi_cursor.rs

@@ -3,6 +3,7 @@ use std::io::Write;
 
 use Construct;
 use super::base_cursor::ITerminalCursor;
+use shared::functions;
 
 /// This struct is an ansi implementation for cursor related actions.
 pub struct AnsiCursor;
@@ -20,8 +21,8 @@ impl ITerminalCursor for AnsiCursor {
         write!(&mut some_writer, csi!("{};{}H"), y + 1, x +1);
     }
 
-    fn pos(&self) -> (i16, i16) {
-        (0, 0)
+    fn pos(&self) -> (u16, u16) {
+        functions::get_cursor_position()
     }
 
     fn move_up(&self, count: u16) {

src/crossterm_cursor/base_cursor.rs

@@ -11,7 +11,7 @@ pub trait ITerminalCursor {
     /// Goto some location (x,y) in the terminal.
     fn goto(&self, x: u16, y: u16);
     /// Get the location (x,y) of the current curor in the terminal
-    fn pos(&self) -> (i16, i16);
+    fn pos(&self) -> (u16, u16);
     /// Move cursor n times up
     fn move_up(&self, count: u16);
     /// Move the cursor `n` times to the right.

src/crossterm_cursor/cursor.rs

@@ -1,43 +1,33 @@
 //! With this module you can perform actions that are cursor related.
 //! Like changing and displaying the position of the cursor in terminal.
-
+//!
 use std::fmt::Display;
+use std::ops::Drop;
 
-use Construct;
+use {Construct, Context};
+use shared::functions::get_module;
 use super::base_cursor::ITerminalCursor;
-
 use super::AnsiCursor;
 use super::WinApiCursor;
 
 /// Struct that stores an specific platform implementation for cursor related actions.
 pub struct TerminalCursor {
     terminal_cursor: Option<Box<ITerminalCursor>>,
+    context: Context
 }
-
-impl TerminalCursor {
+impl TerminalCursor
+ {
     /// Create new cursor instance whereon cursor related actions can be performed.
     pub fn new() -> TerminalCursor {
-        let mut cursor: Option<Box<ITerminalCursor>> = None;
+        let mut context = Context::new();
 
-        let mut does_support = true;
-        if cfg!(target_os = "windows") {
-            #[cfg(windows)]
-            use kernel::windows_kernel::kernel::try_enable_ansi_support;
+        #[cfg(target_os = "windows")]
+        let cursor = get_module::<Box<ITerminalCursor>>(WinApiCursor::new(), AnsiCursor::new(), &mut context);
 
-            does_support = try_enable_ansi_support();
-            // this returns an bool if the current windows console supports ansi.
-            if !does_support
-            {
-                cursor = Some(WinApiCursor::new());
-            }
-        }
+        #[cfg(not(target_os = "windows"))]
+        let cursor = Some(AnsiCursor::new());
 
-        if does_support
-        {
-            cursor = Some(AnsiCursor::new());
-        }
-
-        TerminalCursor { terminal_cursor: cursor }
+        TerminalCursor { terminal_cursor: cursor, context: context }
     }
 
     /// Goto some position (x,y) in the terminal.
@@ -74,7 +64,7 @@ impl TerminalCursor {
     /// println!("{:?}", pos);
     /// 
     /// ```
-    pub fn pos(&mut self) -> (i16, i16) {
+    pub fn pos(&mut self) -> (u16, u16) {
         if let Some(ref terminal_cursor) = self.terminal_cursor {
             terminal_cursor.pos()
         } else {

src/crossterm_cursor/winapi_cursor.rs

@@ -1,6 +1,7 @@
 use Construct;
-use kernel::windows_kernel::cursor;
 use super::base_cursor::ITerminalCursor;
+use kernel::windows_kernel::{kernel, cursor};
+
 
 /// This struct is an windows implementation for cursor related actions.
 pub struct WinApiCursor;
@@ -12,38 +13,40 @@ impl Construct for WinApiCursor {
 }
 
 impl ITerminalCursor for WinApiCursor {
+
+    /// Set the current cursor position to X and Y
     fn goto(&self, x: u16, y: u16) {
-        cursor::set(x as i16, y as i16);
+        kernel::set_console_cursor_position(x as i16, y as i16);
     }
 
-    fn pos(&self) -> (i16, i16) {
+    /// Get current cursor position (X,Y)
+    fn pos(&self) -> (u16, u16) {
         cursor::pos()
     }
 
     fn move_up(&self, count: u16) {
-        let (xpos,ypos) = cursor::pos();
-        cursor::set(xpos, ypos - count as i16);
+        let (xpos,ypos) = self.pos();
+        self.goto(xpos, ypos - count);
     }
 
     fn move_right(&self, count: u16) {
-        let (xpos,ypos) = cursor::pos();
+        let (xpos,ypos) = self.pos();
 
-        cursor::set(xpos + count as i16, ypos);
+        self.goto(xpos + count, ypos);
     }
 
     fn move_down(&self, count: u16) {
-        let (xpos,ypos) = cursor::pos();
+        let (xpos,ypos) = self.pos();
 
-        cursor::set(xpos, ypos + count as i16);
+        self.goto(xpos, ypos + count);
     }
 
     fn move_left(&self, count: u16) {
-        let (xpos,ypos) = cursor::pos();
+        let (xpos,ypos) = self.pos();
 
-        cursor::set(xpos - count as i16, ypos);
+        self.goto(xpos - count, ypos);
     }
 
-
     fn save_position(&mut self)
     {
         cursor::save_cursor_pos();

src/crossterm_state/commands/mod.rs

@@ -0,0 +1,45 @@
+use rand;
+
+#[cfg(unix)]
+pub mod unix_command;
+#[cfg(windows)]
+pub mod win_commands;
+
+pub mod shared_commands;
+
+#[cfg(unix)]
+pub use self::unix_command::*;
+
+#[cfg(windows)]
+pub use self::win_commands::*;
+
+use super::Context;
+
+pub enum CommandType
+{
+    Unix,
+    Windows,
+}
+
+pub trait ICommand
+{
+    fn new() -> Box<Self> where Self: Sized;
+    fn execute(&mut self) -> bool;
+    fn undo(&mut self) -> bool;
+}
+
+pub trait IContextCommand
+{
+    fn new(context: &mut Context) -> (Box<Self>, i16) where Self: Sized;
+    fn execute(&mut self) -> bool;
+    fn undo(&mut self) -> bool;
+}
+
+
+fn generate_key() -> i16 {
+//        let mut rng = rand::thread_rng();
+//        if rng.gen() { // random bool
+//            println!("i32: {}, u32: {}", rng.gen::<i32>(), rng.gen::<u32>())
+//        }
+    rand::random::<i16>()
+}

src/crossterm_state/commands/shared_commands.rs

@@ -0,0 +1,36 @@
+use super::ICommand;
+use std::io;
+use std::io::Write;
+
+#[derive(Clone, Copy)]
+pub struct ToAlternateScreenBufferCommand;
+
+impl ICommand for ToAlternateScreenBufferCommand
+{
+    fn new() -> Box<ToAlternateScreenBufferCommand> {
+//        println!("create new unix alternate screen");
+        Box::from(ToAlternateScreenBufferCommand { })
+    }
+
+    fn execute(&mut self) -> bool
+    {
+//        println!("execute alternate screen");
+        let mut some_writer = io::stdout();
+        match write!(some_writer, csi!("?1049h"))
+        {
+            Ok(_) => true,
+            Err(_) => false
+        }
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo alternate screen");
+        let mut some_writer = io::stdout();
+        match write!(some_writer, csi!("?1049l"))
+        {
+            Ok(_) => true,
+            Err(_) => false
+        }
+    }
+}

src/crossterm_state/commands/unix_command.rs

@@ -0,0 +1,95 @@
+use crossterm_state::{Context};
+use super::IContextCommand;
+
+use kernel::unix_kernel::terminal::Termios;
+use kernel::unix_kernel::terminal;
+
+#[derive(Clone, Copy)]
+pub struct NoncanonicaModeCommand
+{
+    key: i16
+}
+
+impl IContextCommand for NoncanonicalModeCommand
+{
+    fn new(context: &mut Context) -> (Box<NoncanonicalModeCommand>) {
+//        println!("new new NoncanonicalModeCommand unix");
+        let key = super::generate_key();
+        let command = NoncanonicaModeCommand{ key: key };
+        context.register_change(command,key);
+        (Box::from(NoncanonicalModeCommand {}), key)
+    }
+
+    fn execute(&mut self) -> bool
+    {
+//        println!("execute NoncanonicalModeCommand uxix");
+        // Set noncanonical mode
+        let orig = Termios::from_fd(FD_STDIN)?;
+        let mut noncan = orig.clone();
+        noncan.c_lflag &= !ICANON;
+        noncan.c_lflag &= !ECHO;
+        noncan.c_lflag &= !CREAD;
+        match tcsetattr(FD_STDIN, TCSAFLUSH, &noncan)
+            {
+                Ok(_) => return true,
+                Err(_) => return false,
+            };
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo NoncanonicalModeCommand unix");
+        // Disable noncanonical mode
+        let orig = Termios::from_fd(FD_STDIN)?;
+        let mut noncan = orig.clone();
+        noncan.c_lflag &= ICANON;
+        noncan.c_lflag &= ECHO;
+        noncan.c_lflag &= CREAD;
+
+        match tcsetattr(FD_STDIN, TCSAFLUSH, &noncan)
+            {
+                Ok(_) => return true,
+                Err(_) => return false,
+            };
+    }
+}
+
+#[derive(Clone, Copy)]
+pub struct EnableRawModeCommand
+{
+    original_mode: Option<Termios>,
+    key: i16
+}
+
+impl IContextCommand for EnableRawModeCommand
+{
+    fn new(context: &Context) -> (Box<EnableRawModeCommand>, i16) {
+//        println!("new EnableRawModeCommand unix");
+        let key = super::generate_key();
+        let command = EnableRawModeCommand { original_mode: None, key: key };
+        context.state.register_change(Box::from(command), key);
+        (Box::from(command),key)
+    }
+
+    fn execute(&mut self) -> bool
+    {
+//        println!("execute EnableRawModeCommand unix");
+        self.original_mode = terminal::get_terminal_mode()?;
+        let mut new_mode = self.original_mode.unwrap();
+        new_mode.make_raw();
+        terminal::set_terminal_mode(new_mode);
+        true
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo EnableRawModeCommand unix");
+        let result = terminal::set_terminal_mode(self.original_mode).unwrap();
+
+        match result
+        {
+            Ok(_) => true,
+            Err(_) => false
+        }
+    }
+}

src/crossterm_state/commands/win_commands.rs

@@ -0,0 +1,220 @@
+use super::{ICommand, IContextCommand};
+use super::super::Context;
+
+use kernel::windows_kernel::{kernel, ansi_support};
+use winapi::um::winnt::{HANDLE};
+use winapi::shared::minwindef::DWORD;
+use winapi::um::wincon;
+use winapi::um::wincon::{ENABLE_VIRTUAL_TERMINAL_PROCESSING ,SMALL_RECT, COORD, CHAR_INFO};
+use std::mem;
+use std::fmt::Write;
+/// check https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences for more info.
+#[derive(Clone, Copy)]
+pub struct EnableAnsiCommand
+{
+    mask:  DWORD,
+    key: i16
+}
+
+impl IContextCommand for EnableAnsiCommand
+{
+    fn new(context: &mut Context) -> (Box<EnableAnsiCommand>, i16) {
+//        println!("new EnableRawModeCommand winapi");
+        let key = super::generate_key();
+        let command = EnableAnsiCommand { mask: ENABLE_VIRTUAL_TERMINAL_PROCESSING, key: key };
+        context.register_change(Box::from(command), key);
+        (Box::from(command),key)
+    }
+
+    fn execute(&mut self) -> bool
+    {
+//        println!("exucute EnableAnsiCommand winapi");
+        // we need to check whether we tried to enable ansi before. If we have we can just return if that had succeeded.
+        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 mut dw_mode: DWORD = 0;
+            if !kernel::get_console_mode(&output_handle, &mut dw_mode)
+                {
+                    panic!("Cannot get console mode");
+                    return false;
+                }
+
+            dw_mode |= self.mask;
+            if !kernel::set_console_mode(&output_handle, dw_mode)
+                {
+                    panic!("Cannot get console mode");
+                    return false;
+                }
+
+            return true;
+        }
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo EnableAnsiCommand winapi");
+        if ansi_support::ansi_enabled()
+        {
+            let output_handle = kernel::get_output_handle();
+
+            let mut dw_mode: DWORD = 0;
+            if !kernel::get_console_mode(&output_handle, &mut dw_mode)
+                {
+                    return false;
+                }
+
+            dw_mode &= !self.mask;
+            if !kernel::set_console_mode(&output_handle, dw_mode)
+            {
+                return false;
+            }
+
+            ansi_support::set_ansi_enabled(false);
+        }
+        return true;
+    }
+}
+
+#[derive(Clone, Copy)]
+pub struct EnableRawModeCommand
+{
+    mask: DWORD,
+    key: i16
+}
+
+impl IContextCommand for EnableRawModeCommand
+{
+    fn new(context: &mut Context) -> (Box<EnableRawModeCommand>, i16) {
+        use self::wincon::{ENABLE_LINE_INPUT,ENABLE_PROCESSED_INPUT, ENABLE_PROCESSED_OUTPUT, ENABLE_WRAP_AT_EOL_OUTPUT, ENABLE_ECHO_INPUT};
+
+//        println!("new EnableRawModeCommand winapi");
+        let key = super::generate_key();
+        let command = EnableRawModeCommand { mask: ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT  | ENABLE_ECHO_INPUT, key: key };
+        context.register_change(Box::from(command), key);
+        (Box::from(command),key)
+    }
+
+    fn execute(&mut self) -> bool
+    {
+        use self::wincon::{ENABLE_LINE_INPUT,ENABLE_PROCESSED_INPUT, ENABLE_ECHO_INPUT};
+
+//        println!("execute EnableRawModeCommand winapi");
+        let input_handle = kernel::get_input_handle();
+
+        let mut dw_mode: DWORD = 0;
+        if !kernel::get_console_mode(&input_handle, &mut dw_mode)
+        {
+            return false;
+        }
+
+        let new_mode = dw_mode & !self.mask;
+
+        if !kernel::set_console_mode(&input_handle, new_mode)
+        {
+            return false;
+        }
+
+        true
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo EnableRawModeCommand winapi");
+        let output_handle = kernel::get_output_handle();
+
+        let mut dw_mode: DWORD = 0;
+        if !kernel::get_console_mode(&output_handle, &mut dw_mode)
+        {
+            return false;
+        }
+
+        let new_mode = dw_mode | self.mask;
+
+        if !kernel::set_console_mode(&output_handle, new_mode)
+        {
+            return false;
+        }
+
+        true
+    }
+}
+
+/// check https://docs.microsoft.com/en-us/windows/console/reading-and-writing-blocks-of-characters-and-attributes for more info
+#[derive(Clone, Copy)]
+pub struct ToAlternateScreenBufferCommand;
+
+impl ICommand for ToAlternateScreenBufferCommand
+{
+    fn new() -> Box<ToAlternateScreenBufferCommand>
+    {
+        Box::from(ToAlternateScreenBufferCommand {})
+    }
+
+    fn execute(&mut self) -> bool
+    {
+//        println!("executte ToAlternateScreenBufferCommand winapi");
+        let mut chi_buffer: [CHAR_INFO;160] = unsafe {mem::zeroed() };
+
+        let handle = kernel::get_output_handle();
+
+        // create a new screen buffer to copy to.
+        let new_handle = kernel::create_console_screen_buffer();
+
+        // Make the new screen buffer the active screen buffer.
+        kernel::set_active_screen_buffer(new_handle);
+
+        // Set the source rectangle.
+        let mut srct_read_rect = SMALL_RECT
+        {
+            Top: 0,
+            Left: 0 ,
+            Bottom: 1,
+            Right: 79,
+        };
+
+        // The temporary buffer size is 2 rows x 80 columns.
+        let coord_buffer_size = COORD
+        {
+            X: 2,
+            Y: 80
+        };
+
+        // The top left destination cell of the temporary buffer is
+        // row 0, col 0.
+        let coord_buffer_coord = COORD
+        {
+            X: 0,
+            Y: 0,
+        };
+
+        // Copy the block from the screen buffer to the temp. buffer.
+        kernel::read_console_output(&handle, &mut chi_buffer, coord_buffer_size, coord_buffer_coord, &mut srct_read_rect);
+
+        // Set the destination rectangle.
+        let mut srct_write_rect = SMALL_RECT
+        {
+            Top: 10,
+            Left: 0,
+            Bottom: 11,
+            Right: 19,
+        };
+
+        // Copy from the temporary buffer to the new screen buffer.
+        kernel::write_console_output(&new_handle, &mut chi_buffer, coord_buffer_size, coord_buffer_coord, &mut srct_write_rect);
+
+        true
+    }
+
+    fn undo(&mut self) -> bool
+    {
+//        println!("undo ToAlternateScreenBufferCommand winapi");
+        let handle = kernel::get_output_handle();
+        kernel::set_active_screen_buffer(handle);
+        true
+    }
+}

src/crossterm_state/context.rs

@@ -0,0 +1,72 @@
+use super::commands::{IContextCommand, ICommand};
+use std::ops::Drop;
+use std::collections::HashMap;
+
+pub struct Context
+{
+    changed_states:  HashMap<i16, Box<IContextCommand>>,
+}
+
+impl Context
+{
+    pub fn new() -> Context
+    {
+        Context { changed_states: HashMap::new() }
+    }
+
+    /// restore to default terminal state
+    pub fn restore_changes(&mut self)
+    {
+//        println!("restore change");
+        for (x, state) in self.changed_states.iter_mut()
+        {
+            state.undo();
+//            println!("State is removed, total state");
+        }
+    }
+
+    /// Register new changed state
+    pub fn register_change(&mut self, change: Box<IContextCommand>, key: i16)
+    {
+//        println!("register change");
+        if !self.changed_states.contains_key(&key)
+        {
+            self.changed_states.insert(key, change);
+//            println!("State is registerd, total states: {}", self.changed_states.len());
+        }
+    }
+
+    /// Undo state
+    pub fn undo_state(&mut self, state_key: i16)
+    {
+//        println!("undo specific");
+        if self.changed_states.contains_key(&state_key)
+        {
+            self.changed_states.remove(&state_key);
+        }
+    }
+}
+//
+//fn state_wrapper() -> Context {
+//    // Initialize it to a null value
+//    static mut SINGLETON: *const StateWrapper = 0 as *const StateWrapper;
+//    static ONCE: Once = ONCE_INIT;
+//
+//    unsafe {
+//        ONCE.call_once(|| {
+//            // Make it
+//            let singleton = StateWrapper {
+//                state: Arc::new(Mutex::new(State::new())),
+//            };
+//
+//            // Put it in the heap so it can outlive this call
+//            SINGLETON = mem::transmute(Box::new(singleton));
+//        });
+//
+//        // Now we give out a copy of the data that is safe to use concurrently.
+//        (*SINGLETON).clone()
+//    }
+//}
+
+
+

src/crossterm_state/mod.rs

@@ -0,0 +1,4 @@
+mod context;
+pub mod commands;
+
+pub use self::context::{Context};

src/crossterm_style/color/ansi_color.rs

@@ -46,7 +46,8 @@ impl ITerminalColor for AnsiColor {
                 ansi_value.push_str("48;")
             },
         }
-        
+
+        #[cfg(unix)]
         let rgb_val: String;
         
         let color_val = match color {

src/crossterm_style/color/color.rs

@@ -1,12 +1,14 @@
 //! With this module you can perform actions that are color related.
 //! Like styling the font, foreground color and background color.
 
+use std::ops::Drop;
 use std::fmt;
 use std::io;
 
-use Construct;
+use {Construct, Context };
 use crossterm_style::{ObjectStyle, StyledObject};
 use super::base_color::ITerminalColor;
+use shared::functions::get_module;
 use super::super::Color;
 
 use super::AnsiColor;
@@ -15,35 +17,24 @@ use super::WinApiColor;
 /// Struct that stores an specific platform implementation for color related actions. 
 pub struct TerminalColor {
     terminal_color: Option<Box<ITerminalColor>>,
+    context: Context
 }
 
 impl TerminalColor {
     /// Create new instance whereon color related actions can be performed.
     pub fn new() -> TerminalColor {
-        let mut color: Option<Box<ITerminalColor>> = None;
+        let mut context = Context::new();
 
-        let mut does_support = true;
-        if cfg!(target_os = "windows") {
-            #[cfg(windows)]
-            use kernel::windows_kernel::kernel::try_enable_ansi_support;
+        #[cfg(target_os = "windows")]
+        let color = get_module::<Box<ITerminalColor>>(WinApiColor::new(), AnsiColor::new(), &mut context);
 
-            does_support = try_enable_ansi_support();
-            // this returns an bool if the current windows console supports ansi.
-            if !does_support
-            {
-                color = Some(WinApiColor::new());
-            }
-        }
+        #[cfg(not(target_os = "windows"))]
+        let color = Some(AnsiColor::new());
 
-        if does_support
-        {
-            color = Some(AnsiColor::new());
-        }
-
-        TerminalColor { terminal_color: color }
+        TerminalColor { terminal_color: color, context: context}
     }
 
-    /// Set the forground color to the given color.
+    /// Set the foreground color to the given color.
     ///
     /// #Example
     ///

src/crossterm_style/color/winapi_color.rs

@@ -1,7 +1,9 @@
 use Construct;
 use super::super::{ColorType, Color};
 use super::base_color::ITerminalColor;
-use kernel::windows_kernel;
+
+use kernel::windows_kernel::kernel;
+use winapi::um::wincon;
 
 /// This struct is an windows implementation for color related actions.
 #[derive(Debug)]
@@ -12,27 +14,120 @@ pub struct WinApiColor {
 impl Construct for WinApiColor {
     fn new() -> Box<WinApiColor> {
         Box::from(WinApiColor {
-            original_console_color: windows_kernel::kernel::get_original_console_color(),
+            original_console_color: kernel::get_original_console_color(),
         })
     }
 }
 
+
 impl ITerminalColor for WinApiColor {
+
+    /// This will set the foreground color by the given winapi color.
     fn set_fg(&self, fg_color: Color) {
         let color_value = &self.color_value(fg_color, ColorType::Foreground);
-        windows_kernel::color::set_fg_color(color_value.parse().unwrap());
+
+        let csbi = kernel::get_console_screen_buffer_info();
+
+        // 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.
+        let mut color: u16;
+        let attrs = csbi.wAttributes;
+        let bg_color = attrs & 0x0070;
+        color = color_value.parse::<u16>().unwrap() | bg_color;
+
+        // background intensity is a seperate value in attrs,
+        // wee need to check if this was applied to the current bg color.
+        if (attrs & wincon::BACKGROUND_INTENSITY as u16) != 0 {
+            color = color | wincon::BACKGROUND_INTENSITY as u16;
+        }
+
+        kernel::set_console_text_attribute(color);
     }
 
+    /// This will set the background color by the given winapi color value.
     fn set_bg(&self, bg_color: Color) {
         let color_value = &self.color_value(bg_color, ColorType::Background);
-        windows_kernel::color::set_bg_color(color_value.parse().unwrap());
+
+        let csbi = kernel::get_console_screen_buffer_info();
+        // 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.
+        let mut color: u16;
+        let attrs = csbi.wAttributes;
+        let fg_color = attrs & 0x0007;
+        color = fg_color | color_value.parse::<u16>().unwrap();
+
+        // Foreground intensity is a separate value in attrs,
+        // So we need to check if this was applied to the current fg color.
+        if (attrs & wincon::FOREGROUND_INTENSITY as u16) != 0 {
+            color = color | wincon::FOREGROUND_INTENSITY as u16;
+        }
+
+        kernel::set_console_text_attribute(color);
     }
 
+    /// This will reset the colors to the given winapi color value.
     fn reset(&self) {
-        windows_kernel::color::reset(self.original_console_color);
+        kernel::set_console_text_attribute(self.original_console_color);
     }
 
+    /// This will get the winapi color value from the Color and ColorType struct
     fn color_value(&self, color: Color, color_type: ColorType) -> String {
-        windows_kernel::color::winapi_color_val(color, color_type).to_string()
+
+        use crossterm_style::{Color, ColorType};
+
+        let winapi_color: u16;
+
+        let fg_green = wincon::FOREGROUND_GREEN;
+        let fg_red = wincon::FOREGROUND_RED;
+        let fg_blue = wincon::FOREGROUND_BLUE;
+        let fg_intensity = wincon::FOREGROUND_INTENSITY;
+
+        let bg_green = wincon::BACKGROUND_GREEN;
+        let bg_red = wincon::BACKGROUND_RED;
+        let bg_blue = wincon::BACKGROUND_BLUE;
+        let bg_intensity = wincon::BACKGROUND_INTENSITY;
+
+        match color_type {
+            ColorType::Foreground => {
+                winapi_color = match color {
+                    Color::Black => 0,
+                    Color::Red => fg_intensity | fg_red,
+                    Color::DarkRed => fg_red,
+                    Color::Green => fg_intensity | fg_green,
+                    Color::DarkGreen => fg_green,
+                    Color::Yellow => fg_intensity | fg_green | fg_red,
+                    Color::DarkYellow => fg_green | fg_red,
+                    Color::Blue => fg_intensity | fg_blue,
+                    Color::DarkBlue => fg_blue,
+                    Color::Magenta => fg_intensity | fg_red | fg_blue,
+                    Color::DarkMagenta => fg_red | fg_blue,
+                    Color::Cyan => fg_intensity | fg_green | fg_blue,
+                    Color::DarkCyan => fg_green | fg_blue,
+                    Color::Grey => fg_intensity,
+                    Color::White => fg_intensity | fg_red | fg_green | fg_blue,
+                };
+            }
+            ColorType::Background => {
+                winapi_color = match color {
+                    Color::Black => 0,
+                    Color::Red => bg_intensity | bg_red,
+                    Color::DarkRed => bg_red,
+                    Color::Green => bg_intensity | bg_green,
+                    Color::DarkGreen => bg_green,
+                    Color::Yellow => bg_intensity | bg_green | bg_red,
+                    Color::DarkYellow => bg_green | bg_red,
+                    Color::Blue => bg_intensity | bg_blue,
+                    Color::DarkBlue => bg_blue,
+                    Color::Magenta => bg_intensity | bg_red | bg_blue,
+                    Color::DarkMagenta => bg_red | bg_blue,
+                    Color::Cyan => bg_intensity | bg_green | bg_blue,
+                    Color::DarkCyan => bg_green | bg_blue,
+                    Color::Grey => bg_intensity,
+                    Color::White => bg_intensity | bg_red | bg_green | bg_blue,
+                };
+            }
+        };
+
+        winapi_color.to_string()
     }
 }

src/crossterm_style/styles/objectstyle.rs

@@ -1,6 +1,7 @@
 use crossterm_style::{Color, StyledObject};
 use std::fmt::Display;
 
+#[cfg(unix)]
 use super::super::Attribute;
 
 /// Struct that contains the style properties that can be applied to an displayable object.

src/crossterm_style/styles/styledobject.rs

@@ -2,6 +2,7 @@ use std;
 use std::fmt;
 use std::io::Write;
 
+#[cfg(unix)]
 use super::super::Attribute;
 
 use crossterm_style::{Color, ObjectStyle};

src/crossterm_terminal/ansi_terminal.rs

@@ -3,7 +3,8 @@ use std::io::Write;
 
 use Construct;
 use super::base_terminal::{ClearType, ITerminal};
-use shared::functions::resize_terminal;
+
+use shared::functions::get_terminal_size;
 
 /// This struct is an ansi implementation for terminal related actions.
 pub struct AnsiTerminal  ;
@@ -37,7 +38,7 @@ impl ITerminal for AnsiTerminal {
     }
 
     fn terminal_size(&self) -> (u16, u16) {
-        resize_terminal()
+        get_terminal_size()
     }
 
     fn scroll_up(&self, count: i16) {

src/crossterm_terminal/base_terminal.rs

@@ -7,7 +7,7 @@ pub enum ClearType {
     UntilNewLine,
 }
 
-pub trait ITerminal {
+pub trait ITerminal{
     /// Clear the current cursor by specifying the clear type
     fn clear(&self, clear_type: ClearType);
     /// Get the terminal size (x,y)

src/crossterm_terminal/mod.rs

@@ -1,6 +1,9 @@
+mod raw_terminal;
 mod base_terminal;
 mod terminal;
 
+pub mod screen;
+
 mod ansi_terminal;
 mod winapi_terminal;
 
@@ -8,4 +11,5 @@ use self::ansi_terminal::AnsiTerminal;
 use self::winapi_terminal::WinApiTerminal;
 
 pub use self::base_terminal::ClearType;
-pub use self::terminal::{ Terminal, terminal };
+pub use self::terminal::{ Terminal, terminal};
+pub use self::raw_terminal::{RawTerminal, IntoRawMode};

src/crossterm_terminal/raw_terminal.rs

@@ -0,0 +1,55 @@
+#[cfg(not(windows))]
+use crossterm_state::commands::unix_command::EnableRawModeCommand;
+#[cfg(windows)]
+use crossterm_state::commands::win_commands::EnableRawModeCommand;
+
+use crossterm_state::commands::IContextCommand;
+
+use shared::traits::Construct;
+use crossterm_state::{ Context };
+use crossterm_state::commands::ICommand;
+
+use std::io::{self, Write};
+
+pub struct RawTerminal<'a, W: Write>
+{
+    output: W,
+    key: i16,
+    context: &'a mut Context
+}
+
+impl<'a, W: Write> Drop for RawTerminal<'a,W> {
+    fn drop(&mut self) {
+        self.context.undo_state(self.key);
+    }
+}
+
+pub trait IntoRawMode: Write + Sized
+{
+    fn into_raw_mode<'a>(self, context: &'a mut Context) -> io::Result<RawTerminal<Self>>;
+}
+
+impl<W: Write> IntoRawMode for W
+{
+    fn into_raw_mode<'a>(self, context: &'a mut Context) -> io::Result<RawTerminal<Self>>
+    {
+        let (mut command, key) = EnableRawModeCommand::new(context);
+        let success = command.execute();
+
+        if success
+        {
+            Ok(RawTerminal {output: self, key: key, context: context})
+
+        }else { panic!("cannot move into raw mode") }
+    }
+}
+
+impl<'a, W: Write> Write for RawTerminal<'a, W> {
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        self.output.write(buf)
+    }
+
+    fn flush(&mut self) -> io::Result<()> {
+        self.output.flush()
+    }
+}

src/crossterm_terminal/screen/mod.rs

@@ -0,0 +1,118 @@
+use std::io::{self, Write};
+use std::ops;
+use std::any::Any;
+
+use crossterm_state::commands::{shared_commands,win_commands,ICommand, CommandType};
+use crossterm_state::commands::IContextCommand;
+use shared::traits::Construct;
+
+use std::fmt;
+
+/// let context = ScreenContext::new();
+/// ToMainScreen {}.execute(&mut context);
+/// ToAlternateScreen {}.execute(context);
+///
+///
+/// ToMainScreen {}.execute(&mut context);
+///
+/// context.to_main();
+/// let alternate_screen = context.to_alternate(stdout());
+///
+/// let alternate = AlternateScreen::from(stdout, context);
+/// ToMainScreen [} .execute(ScreenContext::new()))
+/// ToAlternateScreen {}. execute(ScreenContext::new());
+pub struct ToMainScreen;
+
+impl fmt::Display for ToMainScreen
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        get_to_alternate_screen_command().undo();
+        Ok(())
+    }
+}
+
+/// Switch to the alternate screen buffer of the terminal.
+pub struct ToAlternateScreen;
+
+impl fmt::Display for ToAlternateScreen
+{
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        get_to_alternate_screen_command().execute();
+        Ok(())
+    }
+}
+
+pub struct AlternateScreen<W: Write> {
+    /// The output target.
+    output: W,
+}
+
+impl<W: Write> AlternateScreen< W> {
+    pub fn from(mut output: W) -> Self {
+        write!(output, "{}", ToAlternateScreen);
+        AlternateScreen { output: output }
+    }
+}
+
+impl<W: Write> ops::Deref for AlternateScreen<W> {
+    type Target = W;
+
+    fn deref(&self) -> &W {
+        &self.output
+    }
+}
+
+impl<W: Write> ops::DerefMut for AlternateScreen<W> {
+    fn deref_mut(&mut self) -> &mut W {
+        &mut self.output
+    }
+}
+
+impl<W: Write> Write for AlternateScreen<W> {
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        self.output.write(buf)
+    }
+
+    fn flush(&mut self) -> io::Result<()> {
+        self.output.flush()
+    }
+}
+
+impl<W: Write> Drop for AlternateScreen<W>
+{
+    fn drop(&mut self)
+    {
+        write!(self, "{}", ToMainScreen).expect("switch to main screen");
+    }
+}
+
+fn get_to_alternate_screen_command() -> Box<ICommand>
+{
+//    let mut does_support = true;
+    let mut command: Option<Box<ICommand>> = None;
+//
+//    let succeeded = false;
+//
+//    if cfg!(target_os = "windows")
+//    {
+//        #[cfg(windows)]
+//        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();
+//
+//        println!("does support: {}", does_support);
+//        if !does_support
+//        {
+            command = Some(win_commands::ToAlternateScreenBufferCommand::new());
+            command.unwrap()
+//        }
+//    }
+//
+//    if does_support
+//    {
+//        command = Some(shared_commands::ToAlternateScreenBufferCommand::new().0);
+//    }
+//
+//    command.unwrap()
+}

src/crossterm_terminal/terminal.rs

@@ -1,9 +1,11 @@
 //! With this module you can perform actions that are terminal related.
 //! Like clearing and scrolling in the terminal or getting the size of the terminal.
 
+use std::ops::Drop;
 
-use Construct;
+use {Construct, Context};
 use super::base_terminal::{ClearType, ITerminal};
+use shared::functions::get_module;
 
 use super::AnsiTerminal;
 use super::WinApiTerminal;
@@ -11,32 +13,21 @@ use super::WinApiTerminal;
 /// Struct that stores an specific platform implementation for terminal related actions.
 pub struct Terminal {
     terminal: Option<Box<ITerminal>>,
+    context: Context
 }
 
-impl Terminal {
+impl  Terminal {
     /// Create new terminal instance whereon terminal related actions can be performed.
     pub fn new() -> Terminal {
-        let mut term: Option<Box<ITerminal>> = None;
 
-        let mut does_support = true;
-        if cfg!(target_os = "windows") {
-            use kernel::windows_kernel::kernel::try_enable_ansi_support;
+        let mut context = Context::new();
+        #[cfg(target_os = "windows")]
+        let terminal = get_module::<Box<ITerminal>>(WinApiTerminal::new(), AnsiTerminal::new(), &mut context);
 
-            does_support = try_enable_ansi_support();
-            // this returns an bool if the current windows console supports ansi.
-            if !does_support
-            {
-                term = Some(WinApiTerminal::new());
-            }
-        }
+        #[cfg(not(target_os = "windows"))]
+        let terminal = Some(AnsiTerminal::new());
 
-        if does_support
-        {
-            println!("This console does support ansi");
-            term = Some(AnsiTerminal::new());
-        }
-
-        Terminal { terminal: term }
+        Terminal { terminal: terminal, context: context }
     }
 
     /// Clear the current cursor by specifying the clear type
@@ -173,6 +164,7 @@ impl Terminal {
 ///
 /// ```
 ///
-pub fn terminal() -> Box<Terminal> {
+pub fn terminal() -> Box<Terminal>
+{
     Box::from(Terminal::new())
 }

src/crossterm_terminal/winapi_terminal.rs

@@ -1,7 +1,8 @@
-use Construct;
+use {Construct};
+use crossterm_cursor::cursor;
 use super::base_terminal::{ClearType, ITerminal};
-
-use kernel::windows_kernel::terminal;
+use winapi::um::wincon::{SMALL_RECT, COORD, CONSOLE_SCREEN_BUFFER_INFO,};
+use kernel::windows_kernel::{kernel, terminal};
 
 /// This struct is an windows implementation for terminal related actions.
 pub struct WinApiTerminal;
@@ -13,29 +14,233 @@ impl Construct for WinApiTerminal {
 }
 
 impl ITerminal for WinApiTerminal {
+    /// Clear the screen to the given cleartype.
     fn clear(&self, clear_type: ClearType) {
-        println! ("Windows!!!");
+        let csbi = kernel::get_console_screen_buffer_info();
+        let pos = cursor().pos();
+
         match clear_type
         {
-            ClearType::All => terminal::clear_entire_screen(),
-            ClearType::FromCursorDown => terminal::clear_after_cursor(),            
-            ClearType::FromCursorUp => terminal::clear_before_cursor(),
-            ClearType::CurrentLine => terminal::clear_current_line(),
-            ClearType::UntilNewLine => terminal::clear_until_line(),
+            ClearType::All => clear_entire_screen(csbi),
+            ClearType::FromCursorDown => clear_after_cursor(pos,csbi),
+            ClearType::FromCursorUp => clear_before_cursor(pos, csbi),
+            ClearType::CurrentLine => clear_current_line(pos, csbi),
+            ClearType::UntilNewLine => clear_until_line(pos, csbi),
         };
     }
 
+    /// Get the terminal size
     fn terminal_size(&self) -> (u16, u16) {
-        terminal::terminal_size()
+       terminal::terminal_size()
     }
 
+    /// Scroll up n` rows
     fn scroll_up(&self, count: i16) {
         // yet to be inplemented
     }
 
+    /// Scroll down `n` rows
     fn scroll_down(&self, count: i16) {
-        terminal::scroll_down(count as i16);
+        let csbi = kernel::get_console_screen_buffer_info();
+        let mut srct_window;
+
+        // 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(true, &mut srct_window);
+            if success {
+                panic!("Something went wrong when scrolling down");
+            }
+        }
     }
 
-    fn set_size(&self, width: i16, height: i16) { terminal::resize_terminal(width,height); }
+    /// Set the current terminal size
+    fn set_size(&self, width: i16, height: i16) {
+        if width <= 0
+            {
+                panic!("Cannot set the terminal width lower than 1");
+            }
+
+        if height <= 0
+            {
+                panic!("Cannot set the terminal height lower then 1")
+            }
+
+        // Get the position of the current console window
+        let csbi = kernel::get_console_screen_buffer_info();
+        let mut success = false;
+
+        // If the buffer is smaller than this new window size, resize the
+        // buffer to be large enough.  Include window position.
+        let mut resize_buffer = false;
+        let mut size = COORD { X: csbi.dwSize.X, Y: csbi.dwSize.Y };
+
+        if csbi.dwSize.X < csbi.srWindow.Left + width
+            {
+                if csbi.srWindow.Left >= i16::max_value() - width
+                    {
+                        panic!("Argument out of range when setting terminal width.");
+                    }
+
+                size.X = csbi.srWindow.Left + width;
+                resize_buffer = true;
+            }
+        if csbi.dwSize.Y < csbi.srWindow.Top + height {
+            if csbi.srWindow.Top >= i16::max_value() - height
+                {
+                    panic!("Argument out of range when setting terminal height");
+                }
+
+            size.Y = csbi.srWindow.Top + height;
+            resize_buffer = true;
+        }
+
+        if resize_buffer {
+            success = kernel::set_console_screen_buffer_size(size);
+
+            if !success
+                {
+                    panic!("Something went wrong when setting screen buffer size.");
+                }
+        }
+
+        let mut fsr_window: SMALL_RECT = csbi.srWindow;
+        // Preserve the position, but change the size.
+        fsr_window.Bottom = fsr_window.Top + height;
+        fsr_window.Right = fsr_window.Left + width;
+
+        let success = kernel::set_console_info(true, &fsr_window);
+
+        if success {
+            // If we resized the buffer, un-resize it.
+            if resize_buffer {
+                kernel::set_console_screen_buffer_size(csbi.dwSize);
+            }
+
+            let bounds = kernel::get_largest_console_window_size();
+
+            if width > bounds.X
+            {
+                panic!("Argument width: {} out of range when setting terminal width.", width);
+            }
+            if height > bounds.Y
+            {
+                panic!("Argument height: {} out of range when setting terminal height", height);
+            }
+        }
+    }
 }
+
+pub fn clear_after_cursor(pos: (u16,u16), csbi: CONSOLE_SCREEN_BUFFER_INFO) {
+    let (mut x,mut y) = pos;
+
+    // if cursor position is at the outer right position
+    if x as i16 > csbi.dwSize.X
+    {
+        y += 1;
+        x = 0;
+    }
+
+    // location where to start clearing
+    let start_location = COORD { X: x  as i16, Y: y  as i16};
+    // get sum cells before cursor
+    let cells_to_write = csbi.dwSize.X as u32  * csbi.dwSize.Y as u32;
+
+    clear(start_location,cells_to_write);
+}
+
+pub fn clear_before_cursor(pos: (u16,u16), csbi: CONSOLE_SCREEN_BUFFER_INFO) {
+    let (xpos,ypos) = pos;
+
+    // one cell after cursor position
+    let x = 0;
+    // one at row of cursor position
+    let y = 0;
+
+    // location where to start clearing
+    let start_location = COORD { X: x  as i16, Y: y  as i16};
+    // get sum cells before cursor
+    let cells_to_write = (csbi.dwSize.X as u32  * ypos as u32) + (xpos as u32 + 1);
+
+    clear(start_location, cells_to_write);
+}
+
+pub fn clear_entire_screen(csbi: CONSOLE_SCREEN_BUFFER_INFO) {
+    // position x at start
+    let x = 0;
+    // position y at start
+    let y = 0;
+
+    // location where to start clearing
+    let start_location = COORD { X: x  as i16, Y: y  as i16};
+    // get sum cells before cursor
+
+    let cells_to_write = csbi.dwSize.X as u32 * csbi.dwSize.Y as u32;
+
+    clear( start_location, cells_to_write);
+
+    // put the cursor back at (0, 0)
+    cursor().goto(0, 0);
+}
+
+pub fn clear_current_line(pos: (u16,u16), csbi: CONSOLE_SCREEN_BUFFER_INFO)
+{
+    // position x at start
+    let x = 0;
+    // position y at start
+    let y = pos.1;
+
+    // location where to start clearing
+    let start_location = COORD { X: x  as i16, Y: y  as i16};
+    // get sum cells before cursor
+
+    let cells_to_write = csbi.dwSize.X as u32;
+
+    clear(start_location, cells_to_write);
+
+    // put the cursor back at 1 cell on current row
+    cursor().goto(0, y);
+}
+
+pub fn clear_until_line(pos: (u16,u16), csbi: CONSOLE_SCREEN_BUFFER_INFO)
+{
+    let (x,y) = pos;
+
+    // location where to start clearing
+    let start_location = COORD { X: x  as i16, Y: y  as i16};
+    // get sum cells before cursor
+    let cells_to_write = (csbi.dwSize.X - x  as i16) as u32;
+
+    clear(start_location, cells_to_write);
+
+    // put the cursor back at original cursor position
+    cursor().goto(x,y);
+}
+
+fn clear(
+    start_loaction: COORD,
+    cells_to_write: u32
+) {
+    let mut cells_written = 0;
+    let mut success = false;
+
+    success = kernel::fill_console_output_character(&mut cells_written, start_loaction, cells_to_write);
+
+    if !success
+    {
+        panic!("Could not clear screen after cursor");
+    }
+
+    cells_written = 0;
+
+    success = kernel::fill_console_output_attribute(&mut cells_written, start_loaction, cells_to_write);
+
+    if !success {
+        panic!("Couldnot reset attributes after cursor");
+    }
+}

src/kernel/linux_kernel/terminal.rs

@@ -1,34 +0,0 @@
-use libc;
-
-use self::libc::{STDOUT_FILENO, TIOCGWINSZ, c_ushort};
-use self::libc::ioctl;
-
-/// A representation of the size of the current terminal
-#[repr(C)]
-#[derive(Debug)]
-pub struct UnixSize {
-    /// number of rows
-    pub rows: c_ushort,
-    /// number of columns
-    pub cols: c_ushort,
-    x: c_ushort,
-    y: c_ushort,
-}
-
-/// Gets the current terminal size
-pub fn terminal_size() -> (u16,u16) {
-    // http://rosettacode.org/wiki/Terminal_control/Dimensions#Library:_BSD_libc
-    let us = UnixSize {
-        rows: 0,
-        cols: 0,
-        x: 0,
-        y: 0,
-    };
-    let r = unsafe { ioctl(STDOUT_FILENO, TIOCGWINSZ, &us) };
-    if r == 0 {
-        // because crossterm works starts counting at 0 and unix terminal starts at cell 1 you have subtract one to get 0-based results.
-        Some((us.cols -1, us.rows -1))
-    } else {
-        (0,0)
-    }
-}

src/kernel/mod.rs

@@ -1,4 +1,4 @@
 #[cfg(unix)]
-pub mod linux_kernel;
+pub mod unix_kernel;
 #[cfg(windows)]
 pub mod windows_kernel;

src/kernel/unix_kernel/mod.rs

@@ -1 +1,2 @@
 pub mod terminal;
+

src/kernel/unix_kernel/terminal.rs

@@ -0,0 +1,115 @@
+use libc;
+use self::libc::{STDOUT_FILENO, TIOCGWINSZ, c_ushort, ioctl};
+pub use self::libc::termios as Termios;
+use std::io;
+
+
+/// A representation of the size of the current terminal
+#[repr(C)]
+#[derive(Debug)]
+pub struct UnixSize {
+    /// number of rows
+    pub rows: c_ushort,
+    /// number of columns
+    pub cols: c_ushort,
+    x: c_ushort,
+    y: c_ushort,
+}
+
+/// Gets the current terminal size
+pub fn terminal_size() -> (u16,u16) {
+    // http://rosettacode.org/wiki/Terminal_control/Dimensions#Library:_BSD_libc
+    let us = UnixSize {
+        rows: 0,
+        cols: 0,
+        x: 0,
+        y: 0,
+    };
+    let r = unsafe { ioctl(STDOUT_FILENO, TIOCGWINSZ, &us) };
+    if r == 0 {
+        // because crossterm works starts counting at 0 and unix terminal starts at cell 1 you have subtract one to get 0-based results.
+        Some((us.cols -1, us.rows -1))
+    } else {
+        (0,0)
+    }
+}
+
+/// Get the current cursor position
+pub fn pos() -> (u16,u16)
+{
+    use std::io::{Write,Read};
+    use std::io::Error;
+
+    let command = NoncanonicalModeCommand::new();
+    command.execute();
+
+    // This code is original written by term_cursor credits to them.
+    let mut stdout = std::io::stdout();
+
+    // Write command
+    stdout.write(b"\x1B[6n")?;
+    stdout.flush()?;
+
+    // Read back result
+    let mut buf = [0u8; 2];
+    // Expect `ESC[`
+    std::io::stdin().read_exact(&mut buf)?;
+    if buf[0] != 0x1B || buf[1] as char != '[' {
+        return (0,0);
+    }
+
+    // Read rows and cols through a ad-hoc integer parsing function
+    let read_num = || -> Result<(i32, char), Error> {
+        let mut num = 0;
+        let mut c;
+
+        loop {
+            let mut buf = [0u8; 1];
+            std::io::stdin().read_exact(&mut buf)?;
+            c = buf[0] as char;
+            if let Some(d) = c.to_digit(10) {
+                num = if num == 0 { 0 } else { num * 10 };
+                num += d as i32;
+            } else {
+                break;
+            }
+        }
+
+        Ok((num, c))
+    };
+
+    // Read rows and expect `;`
+    let (rows, c) = read_num()?;
+    if c != ';' {
+        return (0,0);
+    }
+
+    // Read cols
+    let (cols, c) = read_num()?;
+
+    // Expect `R`
+    let res = if c == 'R' { Ok((cols, rows)) } else { return (0,0); };
+
+    command.undo();
+    res
+}
+
+pub fn set_terminal_mode(terminal: &Termios) -> io::Result<()>
+{
+    extern "C" {
+        pub fn tcsetattr(fd: c_int, opt: c_int, termptr: *const Termios) -> c_int;
+    }
+    cvt(unsafe { tcsetattr(0, 0, termios) }).and(Ok(()))
+}
+
+pub fn get_terminal_mode() -> io::Result<Termios>
+{
+    extern "C" {
+        pub fn tcgetattr(fd: c_int, termptr: *mut Termios) -> c_int;
+    }
+    unsafe {
+        let mut termios = mem::zeroed();
+        cvt(tcgetattr(0, &mut termios))?;
+        Ok(termios)
+    }
+}

src/kernel/windows_kernel/ansi_support.rs

@@ -0,0 +1,69 @@
+use crossterm_state::Context;
+use crossterm_state::commands::IContextCommand;
+use shared::traits::Construct;
+
+static mut IS_ANSI_ON_WINDOWS_ENABLED: Option<bool> = None;
+static mut DOES_WINDOWS_SUPPORT_ANSI: Option<bool> = None;
+static mut HAS_BEEN_TRYED_TO_ENABLE: bool = false;
+
+/// Try enable ANSI escape codes and return the result.
+pub fn try_enable_ansi_support(context: &mut Context) -> bool
+{
+    use crossterm_state::commands::win_commands::EnableAnsiCommand;
+    let (mut command, key) = EnableAnsiCommand::new(context);
+    let success = command.execute();
+
+    set_is_windows_ansi_supportable(success);
+    set_ansi_enabled(success);
+    has_been_tried_to_enable(true);
+
+    success
+}
+
+/// Get whether ansi has been enabled.
+pub fn ansi_enabled() -> bool
+{
+    unsafe { IS_ANSI_ON_WINDOWS_ENABLED.unwrap_or_else(| | false) }
+}
+
+/// Get whether windows supports ansi
+pub fn windows_supportable() -> bool
+{
+    unsafe { DOES_WINDOWS_SUPPORT_ANSI.unwrap_or_else(| | false)}
+}
+
+/// 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;
+    }
+}
+
+/// Set the is ansi escape property enabled or disabled. So whe can determine if the ansi escape codes are enabled.
+pub fn set_ansi_enabled(is_enabled :bool)
+{
+    unsafe
+    {
+        IS_ANSI_ON_WINDOWS_ENABLED = Some(is_enabled);
+    }
+}
+
+/// Set the is_windows_ansi_supportable property. So whe can determine whether windows supports ansi.
+fn set_is_windows_ansi_supportable(is_enabled :bool)
+{
+    unsafe
+    {
+        DOES_WINDOWS_SUPPORT_ANSI = Some(is_enabled);
+    }
+}
+
+/// 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;
+    }
+}

src/kernel/windows_kernel/color.rs

@@ -1,108 +0,0 @@
-use winapi::um::wincon;
-
-use super::{kernel};
-use crossterm_style as style;
-
-/// This will set the foreground color by the given winapi color.
-pub fn set_fg_color(fg_color: u16) {
-    let csbi = kernel::get_console_screen_buffer_info();
-
-    // 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.
-    let mut color: u16;
-    let attrs = csbi.wAttributes;
-    let bg_color = attrs & 0x0070;
-    color = fg_color | bg_color;
-
-    // background intensity is a seperate value in attrs,
-    // wee need to check if this was applied to the current bg color.
-    if (attrs & wincon::BACKGROUND_INTENSITY as u16) != 0 {
-        color = color | wincon::BACKGROUND_INTENSITY as u16;
-    }
-
-    kernel::set_console_text_attribute(color);
-}
-
-/// This will set the background color by the given winapi color value.
-pub fn set_bg_color(bg_color: u16) {
-    let csbi = kernel::get_console_screen_buffer_info();
-    // 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.
-    let mut color: u16;
-    let attrs = csbi.wAttributes;
-    let fg_color = attrs & 0x0007;
-    color = fg_color | bg_color;
-
-    // foreground intensity is a separate value in attrs,
-    // wee need to check if this was applied to the current fg color.
-    if (attrs & wincon::FOREGROUND_INTENSITY as u16) != 0 {
-        color = color | wincon::FOREGROUND_INTENSITY as u16;
-    }
-
-    kernel::set_console_text_attribute(color);
-}
-
-/// This will reset the colors to the given winapi color value.
-pub fn reset(original_color: u16) {
-    kernel::set_console_text_attribute(original_color);
-}
-
-/// This will get the winapi color value from the Color and ColorType struct
-pub fn winapi_color_val(color: style::Color, color_type: style::ColorType) -> u16 {
-    use crossterm_style::{Color, ColorType};
-
-    let winapi_color: u16;
-
-    let fg_green = wincon::FOREGROUND_GREEN;
-    let fg_red = wincon::FOREGROUND_RED;
-    let fg_blue = wincon::FOREGROUND_BLUE;
-    let fg_intensity = wincon::FOREGROUND_INTENSITY;
-
-    let bg_green = wincon::BACKGROUND_GREEN;
-    let bg_red = wincon::BACKGROUND_RED;
-    let bg_blue = wincon::BACKGROUND_BLUE;
-    let bg_intensity = wincon::BACKGROUND_INTENSITY;
-
-    match color_type {
-        ColorType::Foreground => {
-            winapi_color = match color {
-                Color::Black => 0,
-                Color::Red => fg_intensity | fg_red,
-                Color::DarkRed => fg_red,
-                Color::Green => fg_intensity | fg_green,
-                Color::DarkGreen => fg_green,
-                Color::Yellow => fg_intensity | fg_green | fg_red,
-                Color::DarkYellow => fg_green | fg_red,
-                Color::Blue => fg_intensity | fg_blue,
-                Color::DarkBlue => fg_blue,
-                Color::Magenta => fg_intensity | fg_red | fg_blue,
-                Color::DarkMagenta => fg_red | fg_blue,
-                Color::Cyan => fg_intensity | fg_green | fg_blue,
-                Color::DarkCyan => fg_green | fg_blue,
-                Color::Grey => fg_intensity,
-                Color::White => fg_intensity | fg_red | fg_green | fg_blue,
-            };
-        }
-        ColorType::Background => {
-            winapi_color = match color {
-                Color::Black => 0,
-                Color::Red => bg_intensity | bg_red,
-                Color::DarkRed => bg_red,
-                Color::Green => bg_intensity | bg_green,
-                Color::DarkGreen => bg_green,
-                Color::Yellow => bg_intensity | bg_green | bg_red,
-                Color::DarkYellow => bg_green | bg_red,
-                Color::Blue => bg_intensity | bg_blue,
-                Color::DarkBlue => bg_blue,
-                Color::Magenta => bg_intensity | bg_red | bg_blue,
-                Color::DarkMagenta => bg_red | bg_blue,
-                Color::Cyan => bg_intensity | bg_green | bg_blue,
-                Color::DarkCyan => bg_green | bg_blue,
-                Color::Grey => bg_intensity,
-                Color::White => bg_intensity | bg_red | bg_green | bg_blue,
-            };
-        }
-    };
-
-    winapi_color as u16
-}

src/kernel/windows_kernel/cursor.rs

@@ -1,36 +1,29 @@
 use super::kernel;
+use crossterm_cursor::cursor;
 
 /// This stores the cursor pos, at program level. So it can be recalled later.
-static  mut SAVED_CURSOR_POS:(i16,i16) = (0,0);
-
-/// Set the current cursor position to X and Y
-pub fn set(x: i16, y: i16)
-{
-    kernel::set_console_cursor_position(x, y );
-
-}
+static  mut SAVED_CURSOR_POS:(u16,u16) = (0,0);
 
 /// Reset to saved cursor position
 pub fn reset_to_saved_position()
 {
     unsafe {
-        kernel::set_console_cursor_position(SAVED_CURSOR_POS.0, SAVED_CURSOR_POS.1);
+        kernel::set_console_cursor_position(SAVED_CURSOR_POS.0  as i16, SAVED_CURSOR_POS.1  as i16);
     }
 }
 
 /// Save current cursor position to recall later.
 pub fn save_cursor_pos()
 {
-    let position = pos();
+    let position = cursor().pos();
 
     unsafe {
         SAVED_CURSOR_POS = (position.0, position.1);
     }
 }
 
-/// Get current cursor position (X,Y)
-pub fn pos() -> (i16,i16)
+pub fn pos() -> (u16,u16)
 {
     let csbi = kernel::get_console_screen_buffer_info();
-    ( csbi.dwCursorPosition.X ,  csbi.dwCursorPosition.Y )
-}
+    ( csbi.dwCursorPosition.X as u16, csbi.dwCursorPosition.Y as u16)
+}

src/kernel/windows_kernel/kernel.rs

@@ -1,13 +1,15 @@
-use winapi::shared::minwindef::DWORD;
 use winapi::um::winnt::HANDLE;
 use winapi::um::winbase::{STD_OUTPUT_HANDLE, STD_INPUT_HANDLE };
 use winapi::um::handleapi::INVALID_HANDLE_VALUE;
 use winapi::um::processenv::{GetStdHandle};
-use winapi::um::consoleapi::{SetConsoleMode,GetConsoleMode};
-use winapi::um::wincon::{ SetConsoleWindowInfo, SetConsoleCursorPosition, SetConsoleTextAttribute, SetConsoleScreenBufferSize,
+use winapi::um::consoleapi::{SetConsoleMode,GetConsoleMode, };
+
+use winapi::um::wincon;
+use winapi::shared::minwindef::{TRUE};
+use winapi::um::wincon::{ SetConsoleWindowInfo, SetConsoleCursorPosition, SetConsoleTextAttribute, SetConsoleScreenBufferSize, CreateConsoleScreenBuffer,SetConsoleActiveScreenBuffer,
                           GetLargestConsoleWindowSize, GetConsoleScreenBufferInfo,
-                          FillConsoleOutputCharacterA, FillConsoleOutputAttribute, ENABLE_VIRTUAL_TERMINAL_PROCESSING,ENABLE_VIRTUAL_TERMINAL_INPUT,
-                          CONSOLE_SCREEN_BUFFER_INFO, SMALL_RECT, COORD, DISABLE_NEWLINE_AUTO_RETURN
+                          FillConsoleOutputCharacterA, FillConsoleOutputAttribute,
+                          CONSOLE_SCREEN_BUFFER_INFO, SMALL_RECT, COORD, CHAR_INFO, PSMALL_RECT
 };
 
 use super::{Empty};
@@ -62,7 +64,6 @@ pub fn is_valid_handle(handle: &HANDLE) -> bool {
     }
 }
 
-/// Get console screen buffer info.
 pub fn get_console_screen_buffer_info() -> CONSOLE_SCREEN_BUFFER_INFO {
     let output_handle = get_output_handle();
     let mut csbi = CONSOLE_SCREEN_BUFFER_INFO::empty();
@@ -77,26 +78,6 @@ pub fn get_console_screen_buffer_info() -> CONSOLE_SCREEN_BUFFER_INFO {
     csbi
 }
 
-/// Enables ansi for windows terminals.
-pub fn try_enable_ansi_support() -> bool {
-
-    let output_handle = get_output_handle();
-
-    let mut dw_mode: DWORD = 0;
-    if !get_console_mode(&output_handle, &mut dw_mode)
-    {
-       return false;
-    }
-
-    dw_mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
-    if !set_console_mode(&output_handle, dw_mode)
-    {
-        return false;
-    }
-
-    return true;
-}
-
 pub fn get_largest_console_window_size() -> COORD
 {
     let output_handle = get_output_handle();
@@ -220,6 +201,90 @@ pub fn fill_console_output_attribute(cells_written: &mut u32, start_location: CO
     is_true(success)
 }
 
+pub fn create_console_screen_buffer() -> HANDLE
+{
+    use winapi::shared::ntdef::NULL;
+    use winapi::um::wincon::CONSOLE_TEXTMODE_BUFFER;
+    use winapi::um::winnt::{GENERIC_READ, GENERIC_WRITE, FILE_SHARE_READ, FILE_SHARE_WRITE};
+    use winapi::um::minwinbase::SECURITY_ATTRIBUTES;
+    use std::mem::size_of;
+
+    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
+    }
+}
+
+pub fn set_active_screen_buffer(new_buffer: HANDLE)
+{
+    unsafe
+    {
+        if !is_true(SetConsoleActiveScreenBuffer(new_buffer))
+        {
+            panic!("Cannot set active screen buffer");
+        }
+    }
+}
+
+pub fn read_console_output(read_buffer: &HANDLE, copy_buffer: &mut [CHAR_INFO;160], buffer_size: COORD, buffer_coord: COORD, source_buffer: PSMALL_RECT)
+{
+    use self::wincon::ReadConsoleOutputA;
+
+    unsafe
+    {
+        if !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");
+        }
+    }
+}
+
+pub fn write_console()
+{
+
+}
+
+pub fn write_console_output(write_buffer: &HANDLE, copy_buffer: &mut [CHAR_INFO;160], buffer_size: COORD, buffer_coord: COORD, source_buffer: PSMALL_RECT)
+{
+    use self::wincon::WriteConsoleOutputA;
+
+    unsafe
+        {
+            if !is_true(WriteConsoleOutputA(
+                *write_buffer,        // screen buffer to write to
+                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 write to console output");
+            }
+        }
+}
+
 /// Parse integer to an bool
 fn is_true(value: i32) -> bool
 {

src/kernel/windows_kernel/mod.rs

@@ -1,7 +1,38 @@
-pub mod cursor;
-pub mod color;
-pub mod kernel;
-pub mod terminal;
-mod winapi_extentions;
+extern crate winapi;
 
+use winapi::um::wincon::{COORD, CONSOLE_SCREEN_BUFFER_INFO, SMALL_RECT};
 use shared::traits::Empty;
+
+pub mod kernel;
+pub mod cursor;
+pub mod terminal;
+pub mod ansi_support;
+
+impl Empty for COORD {
+    fn empty() -> COORD {
+        COORD { X: 0, Y: 0 }
+    }
+}
+
+impl Empty for SMALL_RECT {
+    fn empty() -> SMALL_RECT {
+        SMALL_RECT {
+            Top: 0,
+            Right: 0,
+            Bottom: 0,
+            Left: 0,
+        }
+    }
+}
+
+impl Empty for CONSOLE_SCREEN_BUFFER_INFO {
+    fn empty() -> CONSOLE_SCREEN_BUFFER_INFO {
+        CONSOLE_SCREEN_BUFFER_INFO {
+            dwSize: COORD::empty(),
+            dwCursorPosition: COORD::empty(),
+            wAttributes: 0,
+            srWindow: SMALL_RECT::empty(),
+            dwMaximumWindowSize: COORD::empty(),
+        }
+    }
+}

src/kernel/windows_kernel/terminal.rs

@@ -1,221 +1,8 @@
-use super::{cursor, kernel};
-use winapi::um::wincon::{SMALL_RECT, COORD};
-
-/// Get the terminal size (y,x)
+/// Get the terminal size
 pub fn terminal_size() -> (u16, u16) {
-    let csbi = kernel::get_console_screen_buffer_info();
-
+    let csbi = super::kernel::get_console_screen_buffer_info();
     (
         (csbi.srWindow.Right - csbi.srWindow.Left) as u16,
         (csbi.srWindow.Bottom - csbi.srWindow.Top) as u16,
     )
-}
-
-/// Scroll down `n` rows
-pub fn scroll_down(rows: i16) {
-    let csbi = kernel::get_console_screen_buffer_info();
-    let mut srct_window;
-
-    // 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 - rows {
-        srct_window.Top += rows; // move top down
-        srct_window.Bottom += rows; // move bottom down
-
-            let success = kernel::set_console_info(true, &mut srct_window);
-            if success {
-                panic!("Something went wrong when scrolling down");
-            }
-    }
-}
-
-pub fn clear_after_cursor() {
-    let csbi = kernel::get_console_screen_buffer_info();
-    let (mut x,mut y) = cursor::pos();
-
-    // if cursor position is at the outer right position
-    if x > csbi.dwSize.X
-    {
-        y += 1;
-        x = 0;
-    }
-
-    // location where to start clearing
-    let start_location = COORD { X: x, Y: y };
-    // get sum cells before cursor
-    let cells_to_write = csbi.dwSize.X as u32  * csbi.dwSize.Y as u32;
-
-    clear(start_location,cells_to_write);
-}
-
-pub fn clear_before_cursor() {
-    let csbi = kernel::get_console_screen_buffer_info();
-    let (xpos,ypos) = cursor::pos();
-
-    // one cell after cursor position
-    let x = 0;
-    // one at row of cursor position
-    let y = 0;
-
-    // location where to start clearing
-    let start_location = COORD { X: x, Y: y };
-     // get sum cells before cursor
-    let cells_to_write = (csbi.dwSize.X as u32  * ypos as u32) + (xpos as u32 + 1);
-
-    clear(start_location, cells_to_write);
-}
-
-pub fn clear_entire_screen() {
-    let csbi = kernel::get_console_screen_buffer_info();
-    // position x at start
-    let x = 0;
-    // position y at start
-    let y = 0;
-
-    // location where to start clearing
-    let start_location = COORD { X: x, Y: y };
-    // get sum cells before cursor
-    
-    let cells_to_write = csbi.dwSize.X as u32 * csbi.dwSize.Y as u32;
-
-    clear( start_location, cells_to_write);
-
-    // put the cursor back at (0, 0)
-    cursor::set(0, 0);
-}
-
-pub fn clear_current_line()
-{
-    let csbi = kernel::get_console_screen_buffer_info();
-    // position x at start
-    let x = 0;
-    // position y at start
-    let y = cursor::pos().1;
-
-    // location where to start clearing
-    let start_location = COORD { X: x, Y: y };
-    // get sum cells before cursor
-    
-    let cells_to_write = csbi.dwSize.X as u32;
-
-    clear(start_location, cells_to_write);
-
-    // put the cursor back at (0, 0)
-    cursor::set(x, y);
-}
-
-pub fn clear_until_line()
-{
-    let csbi = kernel::get_console_screen_buffer_info();
-    let (x,y) = cursor::pos();
-
-    // location where to start clearing
-    let start_location = COORD { X: x, Y: y };
-    // get sum cells before cursor    
-    let cells_to_write = (csbi.dwSize.X - x) as u32;
-
-    clear(start_location, cells_to_write);
-
-    // put the cursor back at (0, 0)
-    cursor::set(x, y);
-}
-
-pub fn resize_terminal(width: i16, height: i16)
-{
-    if width <= 0
-        {
-            panic!("Cannot set the terminal width lower than 1");
-        }
-
-    if height <= 0
-        {
-            panic!("Cannot set the terminal height lower then 1")
-        }
-
-    // Get the position of the current console window
-    let csbi = kernel::get_console_screen_buffer_info();
-    let mut success = false;
-
-    // If the buffer is smaller than this new window size, resize the
-    // buffer to be large enough.  Include window position.
-    let mut resize_buffer = false;
-    let mut size = COORD { X: csbi.dwSize.X, Y: csbi.dwSize.Y };
-
-    if csbi.dwSize.X < csbi.srWindow.Left + width
-    {
-        if csbi.srWindow.Left >= i16::max_value() - width
-        {
-            panic!("Argument out of range when setting terminal width.");
-        }
-
-        size.X = csbi.srWindow.Left + width;
-        resize_buffer = true;
-    }
-    if csbi.dwSize.Y < csbi.srWindow.Top + height {
-        if csbi.srWindow.Top >= i16::max_value() - height
-        {
-            panic!("Argument out of range when setting terminal height");
-        }
-
-        size.Y = csbi.srWindow.Top + height;
-        resize_buffer = true;
-    }
-
-    if resize_buffer {
-        success = kernel::set_console_screen_buffer_size(size);
-
-        if !success
-            {
-                panic!("Something went wrong when setting screen buffer size.");
-            }
-    }
-
-    let mut fsr_window: SMALL_RECT = csbi.srWindow;
-    // Preserve the position, but change the size.
-    fsr_window.Bottom = fsr_window.Top + height;
-    fsr_window.Right = fsr_window.Left + width;
-
-    let success = kernel::set_console_info(true, &fsr_window);
-
-    if success {
-        // If we resized the buffer, un-resize it.
-        if resize_buffer {
-            kernel::set_console_screen_buffer_size(csbi.dwSize);
-        }
-
-        let bounds = kernel::get_largest_console_window_size();
-
-        if width > bounds.X
-        {
-            panic!("Argument width: {} out of range when setting terminal width.", width);
-        }
-        if height > bounds.Y
-        {
-            panic!("Argument height: {} out of range when setting terminal height", height);
-        }
-    }
-}
-
-fn clear(
-    start_loaction: COORD,
-    cells_to_write: u32
-) {
-    let mut cells_written = 0;
-    let mut success = false;
-
-    success = kernel::fill_console_output_character(&mut cells_written,start_loaction,cells_to_write);
-
-    if !success {
-        panic!("Could not clear screen after cursor");
-    }
-
-    cells_written = 0;
-
-    success = kernel::fill_console_output_attribute(&mut cells_written,start_loaction, cells_to_write);
-
-    if !success {
-        panic!("Couldnot reset attributes after cursor");
-    }
-}
+}

src/kernel/windows_kernel/winapi_extentions.rs

@@ -1,31 +0,0 @@
-use winapi::um::wincon::{COORD, CONSOLE_SCREEN_BUFFER_INFO, SMALL_RECT};
-use super::Empty;
-
-impl Empty for COORD {
-    fn empty() -> COORD {
-        COORD { X: 0, Y: 0 }
-    }
-}
-
-impl Empty for SMALL_RECT {
-    fn empty() -> SMALL_RECT {
-        SMALL_RECT {
-            Top: 0,
-            Right: 0,
-            Bottom: 0,
-            Left: 0,
-        }
-    }
-}
-
-impl Empty for CONSOLE_SCREEN_BUFFER_INFO {
-    fn empty() -> CONSOLE_SCREEN_BUFFER_INFO {
-        CONSOLE_SCREEN_BUFFER_INFO {
-            dwSize: COORD::empty(),
-            dwCursorPosition: COORD::empty(),
-            wAttributes: 0,
-            srWindow: SMALL_RECT::empty(),
-            dwMaximumWindowSize: COORD::empty(),
-        }
-    }
-}

src/lib.rs

@@ -1,14 +1,20 @@
 #[macro_use]
 mod shared;
 mod kernel;
+mod crossterm_state;
 
 pub mod crossterm_cursor;
 pub mod crossterm_style;
 pub mod crossterm_terminal;
 
 use shared::traits::{Construct};
+pub use crossterm_state::{ Context};
 
 #[cfg(windows)]
 extern crate winapi;
 #[cfg(unix)]
-extern crate libc;
+extern crate libc;
+#[cfg(unix)]
+extern crate termios;
+
+extern crate rand;

src/shared/functions.rs

@@ -1,9 +1,51 @@
-#[cfg(unix)]
-use kernel::linux_kernel::terminal::terminal_size;
+//! Some actions need to preformed platform independently.
+//!
+use Context;
+use shared::traits::Construct;
 #[cfg(windows)]
 use kernel::windows_kernel::terminal::terminal_size;
+#[cfg(unix)]
+use kernel::unix_kernel::terminal::terminal_size;
 
-pub fn resize_terminal() -> (u16,u16)
+#[cfg(windows)]
+use kernel::windows_kernel::cursor::pos;
+#[cfg(unix)]
+use kernel::unix_kernel::terminal::pos;
+
+
+pub fn get_terminal_size() -> (u16, u16)
 {
     terminal_size()
+}
+
+pub fn get_cursor_position() -> (u16,u16)
+{
+   pos()
+}
+
+/// Get the module specific implementation based on the current platform
+pub fn get_module<T>(winapi_impl: T, unix_impl: T, context: &mut Context) -> Option<T>
+{
+    let mut term: Option<T> = None;
+    let mut does_support = true;
+
+    if cfg!(target_os = "windows") {
+        #[cfg(windows)]
+        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(context);
+
+        if !does_support
+        {
+            term = Some(winapi_impl);
+        }
+    }
+
+    if does_support
+    {
+        term = Some(unix_impl);
+    }
+
+    term
 }

src/shared/mod.rs

@@ -1,4 +1,4 @@
 #[macro_use]
 pub mod macros;
 pub mod traits;
-pub mod functions;
+pub mod functions;

src/shared/traits.rs

@@ -10,3 +10,4 @@ pub trait Construct {
 pub trait Empty {
     fn empty() -> Self;
 }
+