merge

Cargo.toml

@@ -15,7 +15,7 @@ readme = "README.md"
 winapi = { version =  "0.3.5", features = ["winbase","winuser","consoleapi","processenv","wincon", "handleapi","errhandlingapi"] }
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.37"
+libc = "0.2.43"
 termios = "0.3.0"
 
 [lib]

examples/examples.rs

@@ -19,5 +19,7 @@ use std::io::Write;
 use std::{thread,time};
 fn main()
 {
-
+    input::keyboard::async_input::read_async_demo();
+   terminal::raw_mode::print_wait_screen_on_alternate_window();
+    thread::sleep(time::Duration::from_millis(2000));
 }

examples/program_examples/command_bar.rs

@@ -1,9 +1,9 @@
 extern crate crossterm;
 
-use crossterm::{Screen, Crossterm};
+use crossterm::{Screen, Crossterm, screen};
 use crossterm::terminal::{terminal,Terminal, ClearType};
-use crossterm::cursor::TerminalCursor;
-
+use crossterm::cursor::{TerminalCursor, cursor};
+use crossterm::input::input;
 use std::sync::{Arc,Mutex};
 use std::io::Read;
 use std::{thread,time};
@@ -13,42 +13,45 @@ fn main() {
 
     let screen = Screen::new(true);
     let crossterm = Crossterm::new(&screen);
-
-    let input = crossterm.input();
-    let terminal = crossterm.terminal();
     let cursor = crossterm.cursor();
-
-    let mut stdin = input.read_async().bytes();
     cursor.hide();
 
     let mut input_buf = Arc::new(Mutex::new(String::new()));
 
+    let threads = log(input_buf.clone(),&screen);
+
+
     let mut count = 0;
 
-    let threads = log(input_buf.clone());
+    thread::spawn(move || {
+        let input = input(&screen);
+        let mut stdin = input.read_async().bytes();
 
-    loop
-    {
-        let a = stdin.next();
-
-        match a {
-            Some(Ok(b'\n')) =>
+        loop
             {
-                input_buf.lock().unwrap().clear();
+                let a = stdin.next();
 
-                // need to start receiving again because if pressed enter then async reading will stop
-                stdin = input.read_async().bytes();
-            }
-            Some(Ok(val)) =>
-            {
-                input_buf.lock().unwrap().push(val as char);
-            }
-            _ => {}
-        }
+                match a {
+                    Some(Ok(13)) =>
+                        {
+                            input_buf.lock().unwrap().clear();
+
+                            // need to start receiving again because if pressed enter then async reading will stop
+//                            stdin = input.read_async().bytes();
+                        }
+                        Some(Ok(val)) =>
+                        {
+//                            println!("{:?}",a);
+                            input_buf.lock().unwrap().push(a.unwrap().unwrap() as char);
+                        }
+                    _ => {}
+                }
+
+                thread::sleep(time::Duration::from_millis(100));
+                count += 1;
+            }
+    }).join();
 
-        thread::sleep(time::Duration::from_millis(100));
-        count += 1;
-    }
 
     for thread in threads
     {
@@ -58,18 +61,20 @@ fn main() {
     cursor.show();
 }
 
-fn log(input_buf: Arc<Mutex<String>>) -> Vec<thread::JoinHandle<()>>
+fn log(input_buf: Arc<Mutex<String>>, screen: &Screen) -> Vec<thread::JoinHandle<()>>
 {
     let mut threads = Vec::with_capacity(10);
-    let (_, term_height) = terminal(&Screen::default()).terminal_size();
 
-    for i in 0..10
+    let (_, term_height) = terminal(&screen).terminal_size();
+
+    for i in 0..1
     {
         let input_buffer = input_buf.clone();
+        let clone_stdout = screen.stdout.clone();
+
+        let crossterm = Crossterm::from(screen.stdout.clone());
 
         let join = thread::spawn( move || {
-
-            let crossterm = Crossterm::new(&Screen::new(true));
             let cursor = crossterm.cursor();
             let terminal = crossterm.terminal();
 

examples/program_examples/snake/command_bar_working.rs

@@ -0,0 +1,98 @@
+extern crate crossterm;
+
+use crossterm::{Screen, Crossterm};
+use crossterm::terminal::{terminal,Terminal, ClearType};
+use crossterm::cursor::TerminalCursor;
+
+use std::sync::{Arc,Mutex};
+use std::io::Read;
+use std::{thread,time};
+
+fn main() {
+    use crossterm::color;
+
+    let screen = Screen::new(true);
+    let crossterm = Arc::new(Crossterm::new(&screen));
+
+    let cursor = crossterm.cursor();
+    cursor.hide();
+
+    let mut input_buf = Arc::new(Mutex::new(String::new()));
+
+    let mut count = 0;
+
+    let threads = log(input_buf.clone(),crossterm.clone());
+
+    let crossterm_clone = crossterm.clone();
+
+    thread::spawn(move || {
+        let input = crossterm_clone.input();
+        let mut stdin = input.read_async().bytes();
+
+        loop
+            {
+                let a = stdin.next();
+
+                match a {
+                    Some(Ok(13)) =>
+                        {
+                            input_buf.lock().unwrap().clear();
+                            // need to start receiving again because if pressed enter then async reading will stop
+//                            stdin = input.read_async().bytes();
+                        }
+                    Some(Ok(val)) =>
+                        {
+//                            println!("{}",val);
+                            input_buf.lock().unwrap().push(a.unwrap().unwrap() as u8 as char);
+                        }
+                    _ => {}
+                }
+
+                thread::sleep(time::Duration::from_millis(100));
+                count += 1;
+            }
+    }).join();
+
+
+    for thread in threads
+    {
+        thread.join();
+    }
+
+    cursor.show();
+}
+
+fn log(input_buf: Arc<Mutex<String>>, crossterm: Arc<Crossterm>) -> Vec<thread::JoinHandle<()>>
+{
+    let mut threads = Vec::with_capacity(10);
+
+    let (_, term_height) = crossterm.terminal().terminal_size();
+
+    for i in 0..1
+    {
+        let input_buffer = input_buf.clone();
+        let crossterm_clone = crossterm.clone();
+        let join = thread::spawn( move || {
+
+            let cursor = crossterm_clone.cursor();
+            let terminal = crossterm_clone.terminal();
+
+            for j in 0..1000
+            {
+                swap_write(format!("Some output: {} from thread: {}", j, i).as_ref(), &input_buffer.lock().unwrap(), &terminal, &cursor, term_height);
+                thread::sleep(time::Duration::from_millis(300));
+            }
+        });
+
+        threads.push(join);
+    }
+
+    return threads;
+}
+
+pub fn swap_write(msg: &str, input_buf: &String, terminal: &Terminal, cursor: &TerminalCursor, term_height: u16) {
+    cursor.goto(0, term_height);
+    terminal.clear(ClearType::CurrentLine);
+    terminal.write(format!("{}\r\n", msg));
+    terminal.write(format!(">{}", input_buf));
+}

examples/program_examples/snake/src/main.rs

@@ -78,7 +78,9 @@ fn main() {
                 map.spawn_food(&free_positions, &screen);
             }
         }
+        drop(screen);
     }
+
     game_over_screen();
 }
 

examples/program_examples/snake/src/variables.rs

@@ -41,7 +41,7 @@ impl Position
     pub fn remove(&self, screen: &Screen)
     {
         cursor(screen).goto(self.x as u16, self.y as u16);
-        terminal(&screen).write(" ");
+        terminal(&screen).write("  ");
     }
 }
 

examples/terminal/raw_mode.rs

@@ -42,6 +42,6 @@ pub fn print_wait_screen_on_alternate_window() {
     {
             print_wait_screen(&mut alternate.screen);
     }
-
+    drop(screen);
     println!("Whe are back at the main screen");
 }

src/common/commands/unix_command.rs

@@ -2,9 +2,11 @@
 
 use super::{ IStateCommand};
 use kernel::unix_kernel::terminal;
-use termios::{tcsetattr, Termios, CREAD, ECHO, ICANON, TCSAFLUSH};
+use termios::{tcsetattr, Termios, CREAD, ECHO, ICANON, TCSAFLUSH, BRKINT, ICRNL, INPCK, ISTRIP, IXON, OPOST, CS8, IEXTEN, ISIG,VTIME, VMIN};
+use libc::STDIN_FILENO;
+use std::sync::{Once, ONCE_INIT};
+static TERMINAL_MODE: Once = ONCE_INIT;
 
-const FD_STDIN: ::std::os::unix::io::RawFd = 1;
 
 use std::io::{Error, ErrorKind, Result};
 
@@ -17,16 +19,25 @@ impl NoncanonicalModeCommand {
         NoncanonicalModeCommand {}
     }
 }
+static mut ORIGINAL: Option<Termios> = None;
 
 impl NoncanonicalModeCommand {
     pub fn enable(&mut self) -> Result<()> {
         // Set noncanonical mode
-        if let Ok(orig) = Termios::from_fd(FD_STDIN) {
+        if let Ok(orig) = Termios::from_fd(STDIN_FILENO) {
+            TERMINAL_MODE.call_once(|| {
+               unsafe { ORIGINAL = Some(orig.clone()); }
+            });
+
             let mut noncan = orig.clone();
-            noncan.c_lflag &= !ICANON;
-            noncan.c_lflag &= !ECHO;
-            noncan.c_lflag &= !CREAD;
-            tcsetattr(FD_STDIN, TCSAFLUSH, &noncan)?;
+            noncan.c_iflag &= !(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+            noncan.c_oflag &= !(OPOST);
+            noncan.c_cflag |= (CS8);
+            noncan.c_lflag &= !(ECHO | ICANON | IEXTEN | ISIG);
+            noncan.c_cc[VMIN] = 0;
+            noncan.c_cc[VTIME] = 1;
+
+            tcsetattr(STDIN_FILENO, TCSAFLUSH, &noncan)?;
         } else {
             return Err(Error::new(
                 ErrorKind::Other,
@@ -37,20 +48,36 @@ impl NoncanonicalModeCommand {
     }
 
     pub fn disable(&self) -> Result<()> {
-        // Disable noncanonical mode
-        if let Ok(orig) = Termios::from_fd(FD_STDIN) {
-            let mut noncan = orig.clone();
-            noncan.c_lflag &= ICANON;
-            noncan.c_lflag &= ECHO;
-            noncan.c_lflag &= CREAD;
 
-            tcsetattr(FD_STDIN, TCSAFLUSH, &noncan)?;
-        } else {
-            return Err(Error::new(
-                ErrorKind::Other,
-                "Could not set console mode when enabling raw mode",
-            ));
+        unsafe {
+            if let Some(original) = ORIGINAL
+            {
+                tcsetattr(STDIN_FILENO, TCSAFLUSH, &original)?;
+            }
         }
+
+        Ok(())
+    }
+}
+
+// This command is used for enabling and disabling raw mode for the terminal.
+/// This command is used for enabling and disabling raw mode for the terminal.
+pub struct RawModeCommand;
+
+impl RawModeCommand {
+    pub fn new() -> Self {
+        return RawModeCommand {}
+    }
+
+    /// Enables raw mode.
+    pub fn enable(&mut self) -> Result<()> {
+        terminal::into_raw_mode();
+        Ok(())
+    }
+
+    /// Disables raw mode.
+    pub fn disable(&mut self) -> Result<()> {
+       terminal::disable_raw_mode();
         Ok(())
     }
 }

src/common/crossterm.rs

@@ -123,3 +123,10 @@ impl<'crossterm> Crossterm {
         style::ObjectStyle::new().apply_to(val)
     }
 }
+
+impl From<Arc<TerminalOutput>> for Crossterm
+{
+    fn from(stdout: Arc<TerminalOutput>) -> Self {
+        Crossterm { stdout: stdout }
+    }
+}

src/common/screen/raw.rs

@@ -28,11 +28,12 @@ impl RawScreen {
     pub fn into_raw_mode() -> io::Result<()>
     {
         #[cfg(not(target_os = "windows"))]
-        let mut command = unix_command::NoncanonicalModeCommand::new();
+        let mut command = unix_command::RawModeCommand::new();
         #[cfg(target_os = "windows")]
         let mut command = win_commands::RawModeCommand::new();
 
-        command.enable()?;
+        let result = command.enable();
+
         Ok(())
     }
 
@@ -40,9 +41,9 @@ impl RawScreen {
     pub fn disable_raw_modes() -> io::Result<()>
     {
         #[cfg(not(target_os = "windows"))]
-        let command = unix_command::NoncanonicalModeCommand::new();
+        let mut command = unix_command::RawModeCommand::new();
         #[cfg(target_os = "windows")]
-        let command = win_commands::RawModeCommand::new();
+        let mut command = win_commands::RawModeCommand::new();
 
         command.disable()?;
         return Ok(())

src/common/screen/screen.rs

@@ -57,7 +57,7 @@ impl Screen
         if raw_mode
         {
             let screen = Screen { stdout: Arc::new(TerminalOutput::new(true)), buffer: Vec::new() };
-            RawScreen::into_raw_mode();
+            RawScreen::into_raw_mode().unwrap();
             return screen;
         }
 

src/kernel/unix_kernel/terminal.rs

@@ -107,35 +107,70 @@ pub fn make_raw(termios: &mut Termios) {
 
 static mut ORIGINAL_TERMINAL_MODE: Option<Termios> = None;
 
-/// Get the current terminal mode.
-pub fn get_terminal_mode() -> io::Result<Termios> {
-    extern "C" {
-        pub fn tcgetattr(fd: c_int, termptr: *mut Termios) -> c_int;
-    }
+pub fn into_raw_mode() -> io::Result<()>
+{
+    let tty_f;
+
+    let fd = unsafe {
+        if libc::isatty(libc::STDIN_FILENO) == 1 {
+            libc::STDIN_FILENO
+        } else {
+            tty_f = fs::File::open("/dev/tty")?;
+            tty_f.as_raw_fd()
+        }
+    };
+
+    let mut termios = Termios::from_fd(fd)?;
+    let original = termios.clone();
+
     unsafe {
-        if let Some(original_mode) = ORIGINAL_TERMINAL_MODE
+        if let None = ORIGINAL_TERMINAL_MODE
         {
-            return Ok(original_mode.clone())
+            ORIGINAL_TERMINAL_MODE = Some(original.clone())
         }
-        else {
-            let mut termios = mem::zeroed();
-            is_true(tcgetattr(0, &mut termios))?;
-            ORIGINAL_TERMINAL_MODE = Some(termios.clone());
-
-            return Ok(termios)
-        }
-
     }
+
+    make_raw(&mut termios);
+    tcsetattr(fd, TCSADRAIN, &termios)?;
+    Ok(())
+}
+
+pub fn disable_raw_mode() -> io::Result<()>
+{
+    let tty_f;
+
+    let fd = unsafe {
+        if libc::isatty(libc::STDIN_FILENO) == 1 {
+            libc::STDIN_FILENO
+        } else {
+            tty_f = fs::File::open("/dev/tty")?;
+            tty_f.as_raw_fd()
+        }
+    };
+
+    if let Some(original) = unsafe { ORIGINAL_TERMINAL_MODE }
+    {
+        tcsetattr(fd, TCSADRAIN, &original)?;
+    }
+    Ok(())
 }
 
 /// Get the TTY device.
 ///
 /// 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")
+    let mut tty_f: fs::File = unsafe { ::std::mem::zeroed() };
+
+    let fd = unsafe {
+        if libc::isatty(libc::STDIN_FILENO) == 1 {
+            libc::STDIN_FILENO
+        } else {
+            tty_f = fs::File::open("/dev/tty")?;
+            tty_f.as_raw_fd()
+        }
+    };
+
+    return Ok(tty_f);
 }
 
 pub fn read_char() -> io::Result<char> {

src/kernel/windows_kernel/ansi_support.rs

@@ -6,7 +6,6 @@ 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 ENABLE_ANSI: Once = ONCE_INIT;
-
 use common::commands::win_commands::EnableAnsiCommand;
 use common::commands::IEnableAnsiCommand;
 

src/modules/terminal/ansi_terminal.rs

@@ -5,6 +5,7 @@ use super::*;
 
 /// This struct is an ansi escape code implementation for terminal related actions.
 pub struct AnsiTerminal;
+use cursor::TerminalCursor;
 
 impl AnsiTerminal {
     pub fn new() -> AnsiTerminal {
@@ -17,6 +18,7 @@ impl ITerminal for AnsiTerminal {
         match clear_type {
             ClearType::All => {
                 stdout.write_str(csi!("2J"));
+                TerminalCursor::new(stdout).goto(0,0);
             }
             ClearType::FromCursorDown => {
                 stdout.write_str(csi!("J"));